:root {
  --sidebar-width: 280px;
  --sidebar-collapsed-width: 72px;
  --drawer-width: 380px;
  --bg: #f6f7f8;
  --surface: #ffffff;
  --surface-soft: #f9fafb;
  --surface-muted: #f1f3f5;
  --text: #111827;
  --text-soft: #374151;
  --muted: #6b7280;
  --faint: #9ca3af;
  --line: #e5e7eb;
  --line-strong: #d1d5db;
  --primary: #111827;
  --primary-soft: #eef2ff;
  --accent: #2563eb;
  --accent-soft: #eff6ff;
  --success: #047857;
  --warning: #b45309;
  --danger: #b91c1c;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 18px 55px rgba(15, 23, 42, 0.08);
  --shadow-soft: 0 8px 24px rgba(15, 23, 42, 0.08);
}

#chat-form.composer .composer-stash-notice {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
  padding: 7px 12px 3px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

#chat-form.composer .composer-stash-notice span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#chat-form.composer .composer-stash-notice button {
  flex: 0 0 auto;
  border: 0;
  padding: 3px 5px;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

#chat-form.composer .composer-stash-notice button:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

#chat-form.composer .composer-stash-notice button:focus-visible {
  border-radius: 6px;
  outline: 2px solid currentColor;
  outline-offset: 2px;
}

@media (max-width: 560px) {
  #chat-form.composer .composer-stash-notice {
    align-items: flex-start;
  }

  #chat-form.composer .composer-stash-notice span {
    white-space: normal;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  letter-spacing: 0;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  border: 0;
}

button,
select {
  cursor: pointer;
}

input,
textarea,
select {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

input:focus,
textarea:focus,
select:focus {
  border-color: rgba(37, 99, 235, 0.65);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

textarea {
  resize: vertical;
  line-height: 1.6;
}

label {
  display: grid;
  gap: 7px;
  color: var(--text-soft);
  font-size: 13px;
}

a {
  color: inherit;
}

.hidden {
  display: none !important;
}

.auth-required {
  overflow: hidden;
}

.auth-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px;
  background:
    radial-gradient(circle at 20% 10%, rgba(37, 99, 235, 0.12), transparent 34%),
    radial-gradient(circle at 80% 80%, rgba(17, 24, 39, 0.08), transparent 30%),
    #f7f8fa;
}

.auth-card {
  width: min(460px, 100%);
  display: grid;
  gap: 18px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 28px 80px rgba(15, 23, 42, 0.14);
  backdrop-filter: blur(18px);
}

.auth-brand {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.auth-brand h1 {
  margin: 4px 0 7px;
  font-size: 30px;
  letter-spacing: 0;
}

.auth-brand p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--surface-muted);
}

.auth-tabs button {
  min-height: 38px;
  border-radius: 11px;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
}

.auth-tabs button.active {
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-soft);
}

.auth-form {
  display: grid;
  gap: 13px;
}

.auth-message {
  padding: 10px 12px;
  border: 1px solid #fecaca;
  border-radius: 12px;
  background: #fff1f2;
  color: #be123c;
  font-size: 13px;
  line-height: 1.45;
}

.auth-form button[type="submit"],
.auth-provider-button {
  min-height: 44px;
  border-radius: 14px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
}

.auth-divider {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  height: 1px;
  background: var(--line);
}

.auth-provider-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #24292f;
}

.auth-provider-button span {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 11px;
}

.auth-provider-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.auth-provider-button.unavailable {
  border: 1px solid var(--line);
  background: var(--surface-muted);
  color: var(--muted);
  box-shadow: none;
}

.auth-provider-button.unavailable span {
  background: var(--surface);
  color: var(--text-soft);
}

.auth-provider-button {
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--text);
  box-shadow: none;
}

.auth-provider-button:hover:not(:disabled) {
  background: var(--surface-muted);
}

.auth-provider-button:disabled,
.auth-provider-button.unavailable {
  border-color: var(--line);
  background: var(--surface-muted);
  color: var(--muted);
  opacity: 1;
}

.oauth-callback-box {
  display: grid;
  gap: 10px;
  padding: 10px;
  border: 1px dashed var(--line-strong);
  border-radius: 14px;
  background: var(--surface-soft);
}

.oauth-callback-box summary {
  cursor: pointer;
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 700;
}

.oauth-callback-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.oauth-callback-row span {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 12px;
}

.oauth-callback-row code {
  overflow: hidden;
  color: var(--text-soft);
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
}

.oauth-callback-row button {
  padding: 7px 10px;
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  font-weight: 700;
}

.auth-hint {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.app-shell.auth-locked {
  display: none;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
}

.sidebar {
  height: 100vh;
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 16px;
  border-right: 1px solid var(--line);
  background: #fff;
  overflow: hidden;
  transition: background-color 0.18s ease;
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
  padding: 16px 10px;
  align-items: center;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
}

.brand-mark {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--primary);
  color: white;
  font-weight: 800;
}

.brand-copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-size: 16px;
}

.brand-copy span,
.sidebar-heading,
.empty-state,
.runtime-card {
  color: var(--muted);
  font-size: 12px;
}

.icon-button {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text-soft);
  font-size: 18px;
}

.icon-button:hover,
.secondary-button:hover {
  background: var(--surface-muted);
}

.sidebar-brand .icon-button {
  margin-left: auto;
}

.new-chat-button,
.composer-shell > button[type="submit"],
.stack-form > button,
.button-row button[type="submit"] {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  border-radius: 10px;
  background: var(--primary);
  color: white;
  padding: 11px 14px;
  transition: transform 0.16s ease, background 0.16s ease;
}

.new-chat-button:hover,
.composer-shell > button[type="submit"]:hover,
.stack-form > button:hover,
.button-row button[type="submit"]:hover {
  background: #273244;
}

.new-chat-button:active,
.composer-shell > button[type="submit"]:active,
.stack-form > button:active,
.button-row button[type="submit"]:active {
  transform: translateY(1px);
}

.nav-group {
  display: grid;
  gap: 5px;
}

.nav-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: 10px;
  background: transparent;
  color: var(--text-soft);
  text-align: left;
}

.nav-item:hover,
.nav-item.active {
  background: #f4f4f5;
  color: var(--text);
}

.nav-icon {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--surface-muted);
  font-size: 12px;
  color: var(--muted);
}

.nav-item.active .nav-icon {
  background: var(--primary);
  color: white;
}

.sidebar-section {
  min-height: 0;
  display: grid;
  gap: 8px;
}

.chat-history-shell {
  min-height: 0;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  gap: 10px;
  flex: 1;
}

.session-scope-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  padding: 2px;
  border-radius: 10px;
  background: #e8e8e5;
}

.session-scope-tabs button {
  min-height: 34px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #686865;
  font-size: 14px;
  font-weight: 600;
}

.session-scope-tabs button:hover {
  color: #111111;
}

.session-scope-tabs button.active {
  background: #ffffff;
  color: #111111;
  box-shadow: 0 1px 3px rgba(17, 17, 17, 0.12);
}

.session-scope-tabs button:focus-visible {
  outline: 2px solid #0f766e;
  outline-offset: 2px;
}

.sidebar-search {
  gap: 6px;
}

.sidebar-search span {
  color: var(--muted);
  font-size: 12px;
}

.sidebar-search input {
  height: 38px;
  border-radius: 10px;
  background: var(--surface);
}

.sidebar-heading-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.mini-link {
  border: 0;
  background: transparent;
  color: var(--accent);
  padding: 0;
  font-size: 12px;
}

.sidebar-list {
  min-height: 0;
  display: grid;
  gap: 6px;
  overflow: auto;
  padding-right: 2px;
}

.sidebar-list-item {
  width: 100%;
  display: grid;
  gap: 4px;
  padding: 9px 10px;
  border-radius: 9px;
  background: transparent;
  color: var(--text-soft);
  text-align: left;
}

.chat-history-list {
  align-content: start;
}

.history-group {
  display: grid;
  gap: 6px;
}

.history-group-title {
  padding: 8px 4px 3px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.session-row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 30px;
  gap: 4px;
  align-items: center;
  border-radius: 10px;
}

.session-row:hover,
.session-row.active {
  background: #f4f4f5;
}

.session-row .sidebar-list-item:hover {
  background: transparent;
}

.session-menu-button {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 18px;
}

.session-menu-button:hover {
  background: var(--surface);
  color: var(--text);
}

.session-popover {
  position: absolute;
  z-index: 20;
  right: 4px;
  top: 34px;
  width: 132px;
  display: none;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.session-row.menu-open .session-popover {
  display: grid;
  gap: 4px;
}

.session-popover button {
  width: 100%;
  padding: 8px 9px;
  border-radius: 8px;
  background: transparent;
  color: var(--text-soft);
  text-align: left;
}

.session-popover button:hover {
  background: var(--surface-muted);
}

.session-popover button.danger {
  color: var(--danger);
}

.sidebar-list-item:hover {
  background: #f4f4f5;
}

.sidebar-list-item span,
.sidebar-list-item small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-list-item small {
  color: var(--muted);
  font-size: 11px;
}

.sidebar-session {
  display: grid;
  gap: 4px;
}

.sidebar-session-actions {
  display: flex;
  gap: 6px;
}

.sidebar-session-actions button,
.actions button,
.message-actions button,
.secondary-button {
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface);
  color: var(--text-soft);
  padding: 7px 10px;
}

.sidebar-session-actions button {
  flex: 1;
  font-size: 11px;
}

.runtime-card {
  margin-top: auto;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface);
  line-height: 1.7;
}

.sidebar-bottom-tools {
  display: grid;
  gap: 6px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.sidebar-tool {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 10px;
  background: transparent;
  color: var(--text-soft);
  text-align: left;
  text-decoration: none;
}

.sidebar-tool:hover,
.sidebar-tool.active {
  background: #f4f4f5;
  color: var(--text);
}

.user-menu {
  position: relative;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.user-menu-button {
  width: 100%;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 8px;
  border-radius: 13px;
  background: var(--surface);
  color: var(--text);
  text-align: left;
}

.user-menu-button:hover {
  background: var(--surface-muted);
}

.user-avatar {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  background-size: cover;
  background-position: center;
}

.user-avatar.with-image {
  color: transparent;
}

.user-menu-button strong,
.user-menu-button small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-menu-button small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
}

.user-popover {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  bottom: calc(100% + 8px);
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface);
  box-shadow: var(--shadow);
  z-index: 30;
}

.user-menu.open .user-popover {
  display: block;
}

.user-popover button {
  width: 100%;
  padding: 9px 10px;
  border-radius: 9px;
  background: transparent;
  color: var(--text);
  text-align: left;
}

.user-popover button:hover {
  background: var(--surface-hover);
}

.user-popover button.danger { color: var(--danger); }
.user-popover button.danger:hover { background: #fef2f2; }

.sidebar.collapsed .brand-copy,
.sidebar.collapsed .new-chat-button strong,
.sidebar.collapsed .nav-item span:not(.nav-icon),
.sidebar.collapsed .chat-history-shell,
.sidebar.collapsed .runtime-card,
.sidebar.collapsed .user-menu-button span:not(.user-avatar) {
  display: none;
}

.sidebar.collapsed .new-chat-button,
.sidebar.collapsed .nav-item,
.sidebar.collapsed .sidebar-tool,
.sidebar.collapsed .user-menu-button {
  width: 42px;
  height: 42px;
  padding: 0;
  justify-content: center;
}

.sidebar.collapsed .sidebar-tool span:not(.nav-icon) {
  display: none;
}

.sidebar.collapsed .sidebar-brand {
  flex-direction: column;
}

.main-stage {
  min-width: 0;
}

.page {
  display: none;
}

.page.active {
  display: block;
}

.deferred-page-loading {
  min-height: 100%;
  align-items: center;
  justify-content: center;
  color: var(--text-soft);
  font-size: 15px;
  font-weight: 600;
}

.page.active.deferred-page-loading {
  display: flex;
}

.deferred-page-loading span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.deferred-page-loading span::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  content: "";
  animation: deferred-page-pulse 1.1s ease-in-out infinite alternate;
}

@keyframes deferred-page-pulse {
  from {
    opacity: 0.28;
    transform: scale(0.76);
  }
  to {
    opacity: 0.9;
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .deferred-page-loading span::before {
    animation: none;
    opacity: 0.7;
  }
}

.chat-layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--drawer-width);
  gap: 14px;
  padding: 14px;
}

.drawer-collapsed .chat-layout {
  grid-template-columns: minmax(0, 1fr);
}

.drawer-collapsed .evidence-drawer {
  display: none;
}

.chat-panel,
.evidence-drawer,
.workspace-page,
.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.chat-panel {
  height: calc(100vh - 28px);
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-topbar,
.page-header,
.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 24px 28px 18px;
}

.topbar-actions,
.chat-topbar-actions,
.button-row,
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.chat-topbar h1,
.page-header h1 {
  margin-bottom: 8px;
  font-size: 30px;
  line-height: 1.15;
}

.chat-topbar p,
.page-header p,
.panel-title p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.context-toolbar {
  display: none;
  grid-template-columns: minmax(180px, 1fr) minmax(200px, 1fr) minmax(190px, 0.8fr);
  gap: 10px;
  padding: 0 28px 18px;
  border-bottom: 1px solid var(--line);
}

.context-toolbar label span {
  color: var(--muted);
  font-size: 12px;
}

.tool-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 28px 16px;
  border-bottom: 1px solid var(--line);
  background: #fbfbfc;
}

.tool-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 220px;
  cursor: pointer;
}

.tool-toggle input {
  width: 42px;
  height: 24px;
  flex: 0 0 auto;
  appearance: none;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: #d9dee7;
  position: relative;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.tool-toggle input::after {
  content: "";
  width: 18px;
  height: 18px;
  position: absolute;
  left: 2px;
  top: 2px;
  border-radius: 999px;
  background: #fff;
  box-shadow: var(--shadow-soft);
  transition: transform 0.18s ease;
}

.tool-toggle input:checked {
  background: var(--primary);
  border-color: var(--primary);
}

.tool-toggle input:checked::after {
  transform: translateX(18px);
}

.tool-toggle strong,
.tool-toggle small {
  display: block;
}

.tool-toggle strong {
  font-size: 13px;
}

.tool-toggle small {
  color: var(--muted);
  font-size: 12px;
}

.tool-chip-list {
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.tool-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 12px;
}

.tool-chip::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #c3cad6;
}

.tool-chip.active {
  border-color: var(--line);
  background: var(--surface-muted);
  color: var(--text);
}

.tool-chip.active::before {
  background: var(--text);
}

.messages {
  flex: 1;
  display: grid;
  align-content: start;
  gap: 14px;
  overflow: auto;
  padding: 28px max(30px, calc((100% - 900px) / 2));
  background: linear-gradient(180deg, #fff 0%, #fff 68%, #fafafa 100%);
}

.welcome-card {
  justify-self: center;
  align-self: center;
  width: min(620px, 100%);
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-soft);
  text-align: center;
}

.welcome-orb {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin: 0 auto 16px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
}

.welcome-card h2 {
  margin-bottom: 8px;
  font-size: 22px;
}

.welcome-card p {
  color: var(--muted);
  margin-bottom: 0;
}

.message-row {
  display: grid;
  gap: 6px;
}

.active-task-anchor {
  position: sticky;
  top: 0;
  z-index: 5;
  width: min(100%, 900px);
  min-width: 0;
  margin: -8px auto 4px;
  padding: 10px 12px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto 18px;
  align-items: center;
  gap: 10px;
  overflow: hidden;
  border: 1px solid var(--control-border);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface) 96%, transparent);
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.active-task-anchor::after {
  position: absolute;
  inset-inline-start: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  content: "";
  transform: scaleX(var(--task-progress-scale, 0));
  transform-origin: left center;
  transition: transform 240ms cubic-bezier(0.16, 1, 0.3, 1);
}

.active-task-anchor strong {
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.active-task-anchor-copy {
  min-width: 0;
  overflow: hidden;
  color: var(--text-soft);
  font-size: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.active-task-anchor-metrics {
  color: var(--muted);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.active-task-anchor-state {
  padding: 3px 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 9%, var(--surface));
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.active-task-anchor-state.success {
  background: color-mix(in srgb, var(--success) 10%, var(--surface));
  color: var(--success);
}

.active-task-anchor-state.failed,
.active-task-anchor-state.interrupted {
  background: color-mix(in srgb, var(--danger) 9%, var(--surface));
  color: var(--danger);
}

.active-task-anchor-state.waiting,
.active-task-anchor-state.warning {
  background: color-mix(in srgb, var(--warning) 9%, var(--surface));
  color: var(--warning);
}

.active-task-anchor svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  color: var(--muted);
}

.active-task-anchor:hover {
  background: color-mix(in srgb, var(--surface-hover) 76%, var(--surface));
}

.active-task-anchor:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.message-row.user {
  justify-items: end;
}

.message-row.assistant {
  justify-items: start;
}

.message {
  max-width: min(760px, 84%);
  padding: 13px 15px;
  border-radius: 14px;
  line-height: 1.7;
  word-break: break-word;
  font-size: 15px;
}

.message.user {
  background: var(--primary);
  color: white;
  border-bottom-right-radius: 5px;
  white-space: pre-wrap;
}

.message.assistant {
  background: #f2f4f7;
  color: var(--text);
  border-bottom-left-radius: 5px;
  white-space: normal;
}

.message.thinking {
  width: auto;
  min-width: 124px;
  min-height: 42px;
  display: flex;
  align-items: center;
  padding: 10px 13px;
  background: #f6f6f3;
  border: 1px solid #d8d8d0;
}

.message-row.thinking-row .message-actions {
  display: none;
}

.agent-thinking-orb {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
  color: #303030;
  font-size: 14px;
  font-weight: 600;
  line-height: 20px;
}

.agent-thinking-orb-canvas {
  flex: 0 0 auto;
}

@media (prefers-reduced-motion: reduce) {
  .agent-thinking-orb-canvas {
    animation: none;
  }
}

.message.assistant p {
  margin: 0 0 12px;
}

.message.assistant p:last-child,
.message.assistant ul:last-child,
.message.assistant ol:last-child,
.message.assistant pre:last-child {
  margin-bottom: 0;
}

.message.assistant h3,
.message.assistant h4,
.message.assistant h5,
.message.assistant h6 {
  margin: 16px 0 8px;
  line-height: 1.35;
  font-weight: 800;
  color: var(--text);
}

.message.assistant h3:first-child,
.message.assistant h4:first-child,
.message.assistant h5:first-child,
.message.assistant h6:first-child {
  margin-top: 0;
}

.message.assistant ul,
.message.assistant ol {
  margin: 6px 0 14px;
  padding-left: 22px;
}

.message.assistant li {
  margin: 5px 0;
}

.message.assistant strong {
  font-weight: 800;
}

.message.assistant a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(37, 99, 235, 0.26);
}

.message.assistant code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.92em;
  background: rgba(15, 23, 42, 0.08);
  border-radius: 6px;
  padding: 2px 5px;
}

.message.assistant pre {
  margin: 10px 0 14px;
  padding: 12px 13px;
  overflow-x: auto;
  border-radius: 12px;
  background: #0f172a;
  color: #e5e7eb;
}

.message.assistant pre code {
  padding: 0;
  background: transparent;
  color: inherit;
}

.message-table-scroll {
  max-width: 100%;
  margin: 10px 0 14px;
  overflow-x: auto;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 10px;
}

.message-table-scroll:last-child {
  margin-bottom: 0;
}

.message.assistant table {
  width: 100%;
  min-width: 360px;
  border-collapse: collapse;
}

.message.assistant th,
.message.assistant td {
  padding: 9px 12px;
  border-right: 1px solid rgba(15, 23, 42, 0.1);
  border-bottom: 1px solid rgba(15, 23, 42, 0.1);
  text-align: left;
  vertical-align: top;
}

.message.assistant th {
  background: rgba(15, 23, 42, 0.05);
  font-weight: 800;
  white-space: nowrap;
}

.message.assistant th:last-child,
.message.assistant td:last-child {
  border-right: 0;
}

.message.assistant tbody tr:last-child td {
  border-bottom: 0;
}

.message-actions {
  opacity: 0;
  transition: opacity 0.16s ease;
}

.message-row:hover .message-actions {
  opacity: 1;
}

.message-actions button {
  font-size: 12px;
  padding: 5px 8px;
}

.composer {
  display: grid;
  gap: 10px;
  padding: 14px max(30px, calc((100% - 900px) / 2)) 20px;
  border-top: 1px solid var(--line);
  position: relative;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.84), #fff 34%);
}

.composer-shell {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  position: relative;
  padding: 7px;
  border: 1px solid var(--line-strong);
  border-radius: 26px;
  background: var(--surface);
  box-shadow: 0 10px 34px rgba(15, 23, 42, 0.07);
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.composer-shell:focus-within {
  border-color: rgba(37, 99, 235, 0.38);
  box-shadow: 0 12px 38px rgba(15, 23, 42, 0.08), 0 0 0 4px rgba(37, 99, 235, 0.08);
}

.composer-plus {
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  font-size: 26px;
  line-height: 1;
  display: grid;
  place-items: center;
  transition: background 0.16s ease, transform 0.16s ease, color 0.16s ease;
}

.composer-plus:hover,
.composer-plus.active {
  background: var(--surface-muted);
  color: var(--accent);
}

.composer-plus.active {
  transform: rotate(45deg);
}

.composer-menu {
  width: min(380px, calc(100vw - 40px));
  display: none;
  position: absolute;
  left: 0;
  bottom: calc(100% + 14px);
  z-index: 20;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.16);
  backdrop-filter: blur(16px);
}

.composer-menu.open {
  display: grid;
  gap: 6px;
}

.menu-card {
  min-height: 58px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  border: 1px solid transparent;
  border-radius: 16px;
  color: var(--text);
  cursor: pointer;
  transition: background 0.16s ease, border-color 0.16s ease, transform 0.16s ease;
}

.menu-card:hover {
  background: var(--surface-soft);
  border-color: var(--line);
  transform: translateY(-1px);
}

.menu-card input[type="file"] {
  display: none;
}

.menu-icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 13px;
  background: #eef2ff;
  color: var(--accent);
  font-size: 18px;
  font-weight: 700;
}

.menu-card strong,
.menu-card small {
  display: block;
}

.menu-card strong {
  font-size: 14px;
}

.menu-card small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.attachment-tray {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 0;
  padding: 0 4px;
}

.attachment-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 320px;
  padding: 5px 8px 5px 5px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  color: var(--text-soft);
  font-size: 12px;
  box-shadow: var(--shadow-soft);
}

.attachment-thumb {
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  border-radius: 10px;
  object-fit: cover;
  background: var(--surface-muted);
}

.attachment-file-thumb {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
}

.attachment-pill span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.attachment-pill button {
  width: 20px;
  height: 20px;
  min-width: 20px;
  border-radius: 999px;
  padding: 0;
  background: transparent;
  color: var(--muted);
}

.attachment-pill button svg {
  display: block;
  width: 12px;
  height: 12px;
  margin: auto;
}

.composer textarea {
  min-height: 38px;
  max-height: 150px;
  resize: none;
  border: 0;
  border-radius: 0;
  padding: 7px 4px;
  background: transparent;
  box-shadow: none;
}

.composer textarea:focus {
  border-color: transparent;
  box-shadow: none;
}

.composer-shell > button[type="submit"] {
  align-self: center;
  min-width: 68px;
  height: 38px;
  border-radius: 16px;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
}

.composer-shell > button[type="submit"]:disabled,
.composer textarea:disabled {
  opacity: 0.62;
  cursor: not-allowed;
}

.composer-shell > .composer-send-button {
  width: 46px;
  min-width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  padding: 0;
  border-radius: 999px;
  font-size: 24px;
  line-height: 1;
  box-shadow: 0 10px 26px rgba(15, 23, 42, 0.18);
}

.composer-shell > .composer-send-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.22);
}

.composer-shell > .composer-send-button:active {
  transform: translateY(0);
}

.composer-shell > .composer-send-button.is-generating {
  background: #111827;
}

.send-arrow {
  display: block;
  transform: translateY(-1px);
  font-weight: 800;
}

.stop-square {
  width: 13px;
  height: 13px;
  display: block;
  border-radius: 4px;
  background: #fff;
}

.composer-select-pill,
.composer-context-summary {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--text-soft);
  font-size: 13px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
}

.composer-context-summary::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: currentColor;
}

.composer-select-pill {
  padding: 0 8px 0 12px;
}

.composer-select-pill span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.composer-select-pill select {
  width: auto;
  max-width: 240px;
  min-height: 30px;
  padding: 0 20px 0 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  color: var(--text);
  font-size: 13px;
  font-weight: 720;
}

.composer-select-pill select:focus {
  box-shadow: none;
}

.composer-context-summary {
  max-width: 360px;
  padding: 0 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.message-actions .retry-answer-button {
  color: var(--text);
  font-weight: 700;
}

.evidence-drawer {
  height: calc(100vh - 28px);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) minmax(0, 1fr);
  overflow: hidden;
}

.drawer-header {
  padding: 20px 18px 14px;
  border-bottom: 1px solid var(--line);
}

.drawer-header h2 {
  margin-bottom: 0;
  font-size: 20px;
}

/* Composer polish: keep the main input quiet, move controls into the plus menu. */
.composer {
  gap: 8px;
  padding: 10px max(24px, calc((100% - 900px) / 2)) 16px;
}

.composer-shell {
  grid-template-columns: 36px minmax(0, 1fr) 40px;
  gap: 7px;
  padding: 6px;
  border-radius: 24px;
  box-shadow: 0 12px 34px rgba(15, 23, 42, 0.08);
}

.composer-plus {
  width: 34px;
  height: 34px;
  font-size: 24px;
}

.composer textarea {
  min-height: 34px;
  max-height: 118px;
  padding: 6px 2px;
  overflow-y: auto;
  scrollbar-width: none;
}

.composer textarea::-webkit-scrollbar {
  display: none;
}

.composer-shell > .composer-send-button {
  width: 38px;
  min-width: 38px;
  height: 38px;
  font-size: 0;
  box-shadow: none;
}

.composer-shell > .composer-send-button:hover {
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.2);
}

.send-arrow {
  width: 19px;
  height: 19px;
  display: block;
  transform: none;
}

.stop-square {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}

.composer-settings-panel {
  display: grid;
  gap: 10px;
  padding: 10px;
  border-bottom: 1px solid var(--line);
}

.menu-section-title {
  display: grid;
  gap: 2px;
}

.menu-section-title strong {
  font-size: 13px;
}

.menu-section-title span {
  color: var(--muted);
  font-size: 12px;
}

.composer-settings-grid {
  display: grid;
  gap: 8px;
}

.menu-select-card {
  display: grid;
  gap: 6px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-soft);
  font-size: 12px;
}

.menu-select-card span {
  color: var(--muted);
  font-weight: 700;
}

.menu-select-card select {
  min-height: 36px;
  padding: 0 10px;
  border-radius: 10px;
  background: var(--surface);
  font-size: 13px;
}

/* Final composer contract: one clean input bar, all controls live behind the plus menu. */
#chat-form.composer {
  gap: 0;
  padding: 12px max(24px, calc((100% - 900px) / 2)) 18px;
}

#chat-form .composer-shell {
  grid-template-columns: 40px minmax(0, 1fr) 42px;
  gap: 6px;
  padding: 7px 8px;
  border-radius: 999px;
  background: #fff;
  border-color: rgba(203, 213, 225, 0.92);
  box-shadow: 0 18px 46px rgba(15, 23, 42, 0.10);
}

#chat-form .composer-shell:focus-within {
  border-color: rgba(37, 99, 235, 0.34);
  box-shadow: 0 18px 46px rgba(15, 23, 42, 0.12), 0 0 0 4px rgba(37, 99, 235, 0.08);
}

#chat-form .composer-plus {
  width: 38px;
  height: 38px;
  color: #111827;
  font-size: 26px;
}

#chat-form .composer-plus:hover,
#chat-form .composer-plus.active {
  background: #f1f5f9;
  color: #111827;
}

#chat-form textarea {
  min-height: 38px;
  max-height: 120px;
  padding: 7px 4px;
  color: #111827;
}

#chat-form textarea::placeholder {
  color: #7c8491;
}

#chat-submit-btn.composer-send-button,
.composer-shell > #chat-submit-btn.composer-send-button {
  width: 42px !important;
  min-width: 42px !important;
  height: 42px !important;
  padding: 0 !important;
  border-radius: 999px !important;
  display: grid !important;
  place-items: center !important;
  background: #111827 !important;
  color: #fff !important;
  font-size: 0 !important;
  box-shadow: none !important;
}

#chat-submit-btn.composer-send-button:hover {
  background: #0f172a !important;
  transform: translateY(-1px);
}

#chat-submit-btn .send-arrow {
  width: 20px;
  height: 20px;
  color: currentColor;
}

#chat-submit-btn .stop-square {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: currentColor;
}

.composer-menu-summary {
  margin: 0;
  padding: 9px 10px 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

@media (max-width: 720px) {
  .composer {
    padding-inline: 12px;
  }
}

/* Composer hard reset: ChatGPT/Codex style. Keep the main input as the only visible control surface. */
#chat-form.composer {
  position: sticky;
  bottom: 0;
  z-index: 20;
  display: block;
  padding: 12px max(24px, calc((100% - 920px) / 2)) 18px;
  background: linear-gradient(180deg, rgba(248, 250, 252, 0), rgba(248, 250, 252, 0.94) 34%, rgba(248, 250, 252, 1));
}

#chat-form.composer .composer-shell {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 42px;
  align-items: end;
  gap: 6px;
  min-height: 58px;
  padding: 8px;
  border: 1px solid rgba(203, 213, 225, 0.96);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 18px 46px rgba(15, 23, 42, 0.10);
}

#chat-form.composer .composer-shell:focus-within {
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow: 0 18px 46px rgba(15, 23, 42, 0.12), 0 0 0 4px rgba(37, 99, 235, 0.07);
}

#chat-form.composer .composer-plus {
  width: 40px;
  height: 40px;
  margin: 0;
  padding: 0;
  border-radius: 999px;
  color: #0f172a;
  font-size: 28px;
  line-height: 1;
}

#chat-form.composer textarea {
  min-height: 40px;
  max-height: 120px;
  padding: 8px 4px 6px;
  border: 0;
  background: transparent;
  font-size: 16px;
  line-height: 1.55;
}

#chat-form.composer textarea:focus {
  box-shadow: none;
}

#chat-form.composer textarea::placeholder {
  color: #8a93a3;
}

#chat-form.composer #chat-submit-btn.composer-send-button,
#chat-form.composer .composer-shell > button#chat-submit-btn[type="submit"] {
  align-self: end;
  width: 42px !important;
  min-width: 42px !important;
  max-width: 42px !important;
  height: 42px !important;
  min-height: 42px !important;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 999px !important;
  display: grid !important;
  place-items: center !important;
  background: #0f172a !important;
  color: #fff !important;
  box-shadow: none !important;
  transform: none;
  overflow: hidden;
}

#chat-form.composer #chat-submit-btn.composer-send-button:hover {
  background: #020617 !important;
  transform: translateY(-1px);
}

#chat-form.composer #chat-submit-btn.composer-send-button:disabled {
  opacity: 1;
}

#chat-form.composer #chat-submit-btn .send-arrow {
  width: 20px;
  height: 20px;
}

#chat-form.composer #chat-submit-btn .stop-square {
  width: 13px;
  height: 13px;
  border-radius: 3px;
  background: currentColor;
}

#composer-menu .composer-settings-panel {
  border-radius: 20px;
  background: #f8fafc;
}

#composer-menu .menu-select-card select {
  min-height: 42px;
}

.drawer-section {
  min-height: 0;
  padding: 16px;
  overflow: auto;
}

.drawer-section + .drawer-section {
  border-top: 1px solid var(--line);
}

.section-label {
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.reference-list,
.timeline,
.list {
  display: grid;
  gap: 10px;
}

.empty-state {
  margin: 0;
  padding: 14px;
  border: 1px dashed var(--line-strong);
  border-radius: 10px;
  background: var(--surface-soft);
  line-height: 1.6;
}

.workspace-page {
  min-height: calc(100vh - 28px);
  margin: 14px;
  overflow: hidden;
}

.knowledge-grid,
.settings-grid {
  display: grid;
  gap: 16px;
  padding: 0 18px 18px;
}

.knowledge-grid {
  grid-template-columns: 330px minmax(0, 1fr);
}

.session-command-center,
.knowledge-command-center {
  display: grid;
  gap: 14px;
  margin: 0 18px 16px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #fff 0%, #f9fafb 100%);
}

.session-command-center {
  grid-template-columns: minmax(260px, 1fr) auto;
  align-items: end;
}

.knowledge-command-center {
  grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1fr);
  align-items: center;
}

.command-copy h2 {
  margin-bottom: 7px;
  font-size: 20px;
}

.command-copy p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.search-field {
  max-width: 560px;
}

.session-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.stat-pill {
  display: grid;
  gap: 2px;
  min-width: 104px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}

.stat-pill span {
  color: var(--muted);
  font-size: 11px;
}

.stat-pill strong {
  font-size: 15px;
}

.session-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 16px;
  padding: 0 18px 18px;
}

.session-board-panel,
.session-preview {
  min-height: 560px;
}

.session-board {
  display: grid;
  gap: 16px;
}

.session-group {
  display: grid;
  gap: 8px;
}

.session-group-title {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.session-card {
  display: grid;
  gap: 8px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
  text-align: left;
  color: var(--text);
}

.session-card:hover,
.session-card.active {
  border-color: rgba(37, 99, 235, 0.5);
  background: var(--accent-soft);
}

.session-card h3 {
  margin-bottom: 0;
  font-size: 15px;
}

.session-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 12px;
}

.session-card-footer {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}

.session-preview {
  display: grid;
  align-content: start;
  gap: 12px;
}

.preview-empty {
  align-self: center;
  text-align: center;
  color: var(--muted);
}

.preview-message-list {
  display: grid;
  gap: 10px;
  max-height: 430px;
  overflow: auto;
}

.preview-message {
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-soft);
}

.preview-message strong {
  display: block;
  margin-bottom: 5px;
  font-size: 12px;
  color: var(--accent);
}

.preview-message p {
  margin-bottom: 0;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.55;
}

.knowledge-browser {
  display: grid;
  grid-template-columns: 330px minmax(0, 1fr);
  gap: 16px;
  padding: 0 18px 18px;
}

.knowledge-rail,
.document-inspector {
  display: grid;
  align-content: start;
  gap: 14px;
  min-width: 0;
}

.document-inspector {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.document-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 320px) auto;
  gap: 14px;
  align-items: end;
  padding: 18px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-soft);
}

.document-toolbar h2 {
  margin-bottom: 0;
  font-size: 20px;
}

.document-grid,
.document-workbench {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 14px;
  padding: 14px;
}

.document-workbench {
  border-top: 1px solid var(--line);
}

.upload-zone {
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.retrieval-card {
  min-height: 100%;
}

.kb-card-list .item {
  background: var(--surface);
}

.document-list .item {
  background: var(--surface);
}

.document-card {
  display: grid;
  gap: 14px;
}

.document-card.progress,
.document-card.parsing,
.document-card.chunking,
.document-card.embedding,
.document-card.uploading {
  border-color: rgba(37, 99, 235, 0.26);
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.document-card.failed {
  border-color: rgba(217, 119, 6, 0.32);
  background: #fffaf0;
}

.document-steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}

.document-step {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  border-radius: 999px;
  padding: 7px 9px;
  background: #f5f7fb;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.document-step i {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: #cbd5e1;
}

.document-step.done {
  background: #ecfdf5;
  color: #047857;
}

.document-step.done i {
  background: #10b981;
}

.document-step.current {
  background: #eff6ff;
  color: #1d4ed8;
  box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.18);
}

.document-step.current i {
  background: #2563eb;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.document-step.failed {
  background: #fff7ed;
  color: #c2410c;
}

.document-step.failed i {
  background: #f97316;
}

.document-error {
  border-radius: 12px;
  padding: 10px 12px;
  background: #fff7ed;
  color: #9a3412;
  font-size: 13px;
  line-height: 1.55;
}

.settings-grid {
  grid-template-columns: minmax(0, 1fr) 340px;
}

.knowledge-main,
.settings-main,
.settings-side,
.stack-panel {
  display: grid;
  align-content: start;
  gap: 14px;
  min-width: 0;
}

.panel {
  padding: 16px;
  box-shadow: none;
}

.panel-title {
  margin-bottom: 14px;
}

.panel-title h2,
.stack-form h2 {
  margin-bottom: 6px;
  font-size: 18px;
}

.developer-resources {
  display: grid;
  gap: 10px;
}

.developer-resources summary {
  cursor: pointer;
  color: var(--text-soft);
  font-size: 14px;
  font-weight: 650;
  list-style: none;
}

.developer-resources summary::-webkit-details-marker {
  display: none;
}

.developer-resources summary::after {
  content: "+";
  float: right;
  color: var(--muted);
}

.developer-resources[open] summary::after {
  content: "-";
}

.stack-form {
  display: grid;
  gap: 12px;
}

.divider {
  height: 1px;
  background: var(--line);
}

.form-grid,
.split-grid,
.metrics-grid,
.provider-grid,
.debug-links {
  display: grid;
  gap: 12px;
}

.form-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-grid .wide {
  grid-column: 1 / -1;
}

.split-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metrics-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}

.metric span {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 12px;
}

.metric strong {
  font-size: 20px;
}

.file-drop {
  position: relative;
  display: grid;
  gap: 7px;
  place-items: center;
  min-height: 132px;
  border: 1px dashed var(--line-strong);
  border-radius: 12px;
  background: var(--surface-soft);
  text-align: center;
  transition: border-color .16s ease, background .16s ease, box-shadow .16s ease, transform .16s ease;
}

.file-drop.dragging,
.file-drop.has-file {
  border-color: var(--accent);
  background: #eff6ff;
  box-shadow: 0 12px 30px rgba(37, 99, 235, .12);
}

.file-drop.dragging {
  transform: translateY(-1px);
}

.file-drop input {
  position: absolute;
  inset: 0;
  opacity: 0;
}

.file-drop span {
  font-weight: 700;
  color: var(--text);
}

.file-drop small {
  color: var(--muted);
  max-width: 280px;
  line-height: 1.5;
}

.file-drop .file-selected-text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(15, 23, 42, .06);
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
  max-width: min(320px, 90%);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.item {
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 12px;
  background: var(--surface-soft);
}

.item-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.item h3,
.item h4 {
  margin: 0 0 6px;
  font-size: 15px;
}

.item p {
  margin: 4px 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.actions button.danger {
  color: var(--danger);
  background: #fff7f7;
}

.actions button.primary-lite {
  color: var(--accent);
  background: var(--accent-soft);
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 3px 8px;
  background: var(--primary-soft);
  color: var(--accent);
  font-size: 12px;
}

.badge.ok {
  background: #ecfdf5;
  color: var(--success);
}

.badge.warn {
  background: #fffbeb;
  color: var(--warning);
}

.badge.progress {
  background: #eff6ff;
  color: #1d4ed8;
}

.tabbed-results {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.chunk-list {
  display: grid;
  gap: 8px;
  max-height: 370px;
  overflow: auto;
}

.chunk {
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-soft);
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.6;
}

.knowledge-workspace {
  position: relative;
  overflow: hidden;
}

.page-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

button.primary,
.page-actions .primary,
.modal-actions .primary {
  background: var(--text);
  color: #fff;
}

.knowledge-summary-bar {
  display: grid;
  grid-template-columns: minmax(250px, .65fr) minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  margin: 0 18px 16px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #fff 0%, #f9fafb 100%);
}

.knowledge-shell {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 16px;
  padding: 0 18px 18px;
}

.knowledge-primary {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.kb-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.kb-list-header h2 {
  margin: 2px 0 0;
  font-size: 18px;
}

.kb-search-box {
  display: grid;
  gap: 7px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.kb-row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 32px;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.kb-row:hover,
.kb-row.active {
  border-color: rgba(37, 99, 235, .42);
  background: #f8fbff;
}

.kb-row-main {
  display: grid;
  gap: 5px;
  min-width: 0;
  padding: 13px 8px 13px 14px;
  background: transparent;
  text-align: left;
  color: var(--text);
}

.kb-row-title {
  font-size: 15px;
  font-weight: 800;
}

.kb-row-desc,
.kb-row-meta {
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.kb-row .session-menu-button {
  align-self: start;
  margin-top: 9px;
  margin-right: 7px;
}

.kb-row.menu-open .session-popover {
  display: grid;
  gap: 4px;
}

.compact-toolbar {
  grid-template-columns: minmax(0, 1fr) minmax(240px, 320px);
}

.compact-toolbar p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.active-kb-select {
  display: grid;
  gap: 7px;
}

.upload-zone-compact {
  grid-template-columns: minmax(0, 1fr) 160px;
  align-items: stretch;
  margin: 16px;
}

.upload-zone-compact .file-drop {
  min-height: 104px;
}

.upload-zone-compact > button {
  border-radius: 14px;
  background: var(--text);
  color: #fff;
  font-weight: 800;
}

.upload-modal-trigger {
  min-height: 52px;
  padding-inline: 18px;
  border-radius: 14px;
  background: var(--text);
  color: #fff;
  font-weight: 850;
}

.upload-modal-panel {
  width: min(860px, 100%);
}

.upload-modal-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 16px;
  padding: 18px;
  overflow: auto;
}

.upload-modal-body .upload-zone {
  display: grid;
  gap: 14px;
  padding: 0;
  border: 0;
  background: transparent;
}

.upload-modal-body .file-drop {
  min-height: 210px;
  border: 1px dashed #cbd5e1;
  border-radius: 20px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.document-file-name {
  display: inline-flex;
  max-width: 100%;
  margin-top: 6px;
  padding: 8px 10px;
  border-radius: 999px;
  background: #eef2ff;
  color: #1d4ed8;
  font-size: 12px;
  font-weight: 800;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.upload-queue-summary {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #f8fafc;
  color: var(--muted);
}

.upload-queue-summary strong {
  color: var(--text);
  font-size: 16px;
}

.upload-queue-summary span {
  position: relative;
  padding-left: 18px;
  font-size: 13px;
  font-weight: 750;
}

.upload-queue-summary span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: #2563eb;
}

.upload-queue-summary small {
  margin-top: 6px;
  line-height: 1.6;
}

.document-table-panel {
  margin: 0 16px 16px;
  padding: 0;
  overflow: hidden;
}

.document-table-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 0;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.document-table {
  display: grid;
}

.document-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 110px auto;
  gap: 14px;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.document-row:last-child {
  border-bottom: 0;
}

.document-row:hover {
  background: #f8fafc;
}

.document-row.queued-local {
  border: 1px solid color-mix(in srgb, #2563eb 18%, var(--line));
  background: linear-gradient(90deg, color-mix(in srgb, #2563eb 7%, var(--surface)) 0%, #ffffff 46%);
}

.document-row-main {
  grid-area: main;
  display: grid;
  gap: 7px;
  min-width: 0;
}

.document-row-main h3 {
  margin: 0;
  overflow: hidden;
  font-size: 15px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.document-row-main p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.document-row .document-steps {
  display: flex;
  flex-wrap: wrap;
}

.document-row .document-step {
  padding: 5px 8px;
  font-size: 11px;
}

.document-row-meta {
  display: grid;
  justify-items: end;
  gap: 3px;
  color: var(--muted);
  font-size: 12px;
}

.document-row-meta strong {
  color: var(--text);
  font-size: 20px;
}

.document-row-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.modal-backdrop {
  position: fixed;
  z-index: 80;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(15, 23, 42, .38);
  backdrop-filter: blur(8px);
}

.modal-panel {
  width: min(720px, 100%);
  max-height: min(720px, calc(100vh - 48px));
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface);
  box-shadow: 0 30px 90px rgba(15, 23, 42, .22);
  overflow: hidden;
}

.chunk-modal-panel {
  width: min(900px, 100%);
}

.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.modal-head h2 {
  margin: 4px 0 0;
  font-size: 22px;
}

.modal-form,
.chunk-modal-panel .chunk-list {
  padding: 18px 20px 20px;
  overflow: auto;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.diagnostic-report-dialog {
  width: min(640px, 100%);
}

.diagnostic-report-body {
  display: grid;
  gap: 14px;
  padding: 18px 20px 20px;
}

.diagnostic-report-body textarea {
  min-height: 280px;
  resize: vertical;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.65;
}

.retrieval-drawer {
  position: absolute;
  z-index: 70;
  top: 92px;
  right: 18px;
  bottom: 18px;
  width: min(430px, calc(100% - 36px));
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
  box-shadow: 0 24px 70px rgba(15, 23, 42, .18);
  overflow: hidden;
}

.retrieval-drawer.retrieval-panel {
  position: static;
  z-index: auto;
  width: auto;
  min-height: 520px;
  box-shadow: none;
}

.retrieval-form {
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.retrieval-results {
  padding: 16px;
}

.provider-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.provider-card {
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
  color: var(--text);
  font-weight: 700;
}

.provider-card:hover,
.provider-card.selected {
  border-color: rgba(37, 99, 235, 0.5);
  background: var(--accent-soft);
  color: var(--accent);
}

.debug-links {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.debug-links a {
  display: grid;
  place-items: center;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-soft);
  color: var(--text-soft);
  text-decoration: none;
  font-size: 13px;
}

.debug-links a:hover {
  border-color: rgba(37, 99, 235, 0.5);
  color: var(--accent);
  background: var(--accent-soft);
}

.decision-list {
  display: grid;
  gap: 10px;
}

.decision-list p {
  margin: 0;
  display: grid;
  gap: 5px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-soft);
}

.decision-list span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.timeline-item {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 9px;
}

.timeline-item-expandable {
  display: block;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  overflow: clip;
}

.timeline-item-expandable[open] {
  border-color: var(--control-border);
  box-shadow: 0 4px 12px rgba(19, 26, 34, 0.06);
}

.timeline-summary {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr) auto;
  gap: 9px;
  align-items: start;
  padding: 10px 11px;
  list-style: none;
  cursor: pointer;
}

.timeline-summary::-webkit-details-marker {
  display: none;
}

.timeline-summary h4 {
  margin: 0 0 4px;
  font-size: 14px;
}

.timeline-summary p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.timeline-summary-copy {
  min-width: 0;
  display: grid;
}

.timeline-summary-meta {
  min-width: 0;
  display: grid;
  justify-items: end;
  gap: 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
  text-align: right;
}

.timeline-summary-meta span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.timeline-summary-meta span:last-child {
  font-size: 16px;
  line-height: 1;
  transition: transform 160ms cubic-bezier(0.16, 1, 0.3, 1);
}

.timeline-item-expandable[open] .timeline-summary-meta span:last-child {
  transform: rotate(180deg);
}

.timeline-body {
  display: grid;
  gap: 10px;
  padding: 0 11px 12px 31px;
  border-top: 1px solid var(--line);
}

.timeline-body-section {
  display: grid;
  gap: 6px;
  padding-top: 10px;
}

.timeline-body-section > span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.timeline-dot {
  width: 9px;
  height: 9px;
  margin-top: 8px;
  border-radius: 999px;
  background: var(--accent);
}

.timeline-item h4 {
  margin: 0 0 5px;
  font-size: 14px;
}

.timeline-item p,
.timeline-item pre {
  margin: 4px 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.timeline-item pre {
  white-space: pre-wrap;
  word-break: break-word;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 50;
  max-width: 360px;
  padding: 12px 14px;
  border-radius: 11px;
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.toast.error {
  border: 1px solid color-mix(in srgb, var(--danger) 34%, transparent);
  background: color-mix(in srgb, var(--danger) 92%, #111);
  color: #fff;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.knowledge-workspace .page-header {
  margin-bottom: 14px;
}

.knowledge-workspace .knowledge-command-center {
  grid-template-columns: 1fr;
  align-items: start;
  gap: 16px;
  margin-bottom: 14px;
  padding: 18px;
}

.knowledge-workspace .knowledge-command-center .metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  min-width: 0;
}

.knowledge-workspace .knowledge-command-center .metric {
  min-height: 92px;
  padding: 14px;
  border-radius: 14px;
  background: #fff;
}

.knowledge-workspace .knowledge-command-center .metric strong {
  font-size: clamp(22px, 2vw, 30px);
  line-height: 1.15;
}

.knowledge-actionbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  min-width: 0;
}

.knowledge-actionbar button {
  flex: 0 0 auto;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 12px;
  font-weight: 850;
}

.knowledge-shell,
.knowledge-browser.knowledge-shell {
  grid-template-columns: 286px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.knowledge-list-rail {
  position: sticky;
  top: 18px;
  gap: 12px;
}

.knowledge-list-rail > #kb-form {
  display: none;
}

.knowledge-list-rail .panel {
  padding: 14px;
}

.knowledge-list-rail .kb-card-list {
  display: grid;
  gap: 10px;
}

.knowledge-primary {
  min-height: 660px;
  border-radius: 18px;
}

.knowledge-primary .document-toolbar {
  grid-template-columns: minmax(0, 1fr) minmax(240px, 360px) auto;
  padding: 18px 20px;
}

.knowledge-primary .document-toolbar > div p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.knowledge-tabbar {
  display: flex;
  gap: 8px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.knowledge-tab {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-weight: 850;
}

.knowledge-tab:hover {
  border-color: var(--line);
  background: var(--surface-soft);
  color: var(--text);
}

.knowledge-tab.active {
  border-color: rgba(37, 99, 235, 0.22);
  background: var(--accent-soft);
  color: var(--accent);
}

.knowledge-tab-panel {
  display: none !important;
}

/* Minimal copy pass: keep controls, remove explanatory noise from the workspace chrome. */
.app-shell .eyebrow,
.chat-topbar p,
.page-header p,
.panel-title p,
.command-copy p,
.menu-section-title span,
.sidebar-brand .brand-copy span {
  display: none !important;
}

.chat-topbar,
.page-header {
  align-items: center;
  padding-top: 20px;
  padding-bottom: 14px;
}

.chat-topbar h1,
.page-header h1 {
  margin: 0;
  font-size: clamp(24px, 2.4vw, 34px);
  line-height: 1.08;
  letter-spacing: 0;
}

.panel-title {
  margin-bottom: 10px;
}

.panel-title h2,
.stack-form h2,
.document-toolbar h2,
.kb-list-header h2,
.command-copy h2 {
  margin: 0;
  font-size: 22px;
  line-height: 1.15;
}

.knowledge-summary-bar {
  align-items: stretch;
  padding: 12px;
}

.knowledge-summary-bar .command-copy {
  display: flex;
  align-items: center;
}

.knowledge-summary-bar .metrics-grid {
  gap: 10px;
}

.settings-side .panel:has(.decision-list) {
  display: none;
}

.debug-links {
  margin-top: 8px;
}

.knowledge-tab-panel.active {
  display: grid !important;
}

.documents-tab-panel.active {
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  padding: 16px 20px 20px;
  border-top: 0;
}

.documents-tab-panel .document-side-panel {
  display: none;
}

.documents-tab-panel > .panel,
.retrieval-tab-panel > .panel,
.knowledge-settings-panel {
  border-radius: 16px;
  box-shadow: none;
}

.retrieval-tab-panel.active {
  grid-template-columns: minmax(320px, 460px) minmax(0, 1fr);
  gap: 16px;
  padding: 16px 20px 20px;
}

.retrieval-tab-panel #document-form {
  display: none;
}

.retrieval-tab-panel .retrieval-card {
  min-height: 520px;
}

.retrieval-result-panel {
  min-height: 520px;
}

.retrieval-result-panel .list {
  display: grid;
  gap: 10px;
  max-height: 420px;
  overflow: auto;
  padding-right: 4px;
}

.knowledge-settings-panel.active {
  padding: 20px;
}

.settings-panel-card {
  display: grid;
  gap: 12px;
  max-width: 720px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
}

.knowledge-settings-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.kb-create-modal #kb-form {
  display: grid;
}

.kb-create-panel {
  width: min(620px, 100%);
}

.kb-create-body {
  padding: 18px;
}

.document-row {
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "main actions"
    "status status";
  gap: 12px 18px;
  align-items: start;
  padding: 18px 20px;
}

.document-row-main h3 {
  font-size: 16px;
  letter-spacing: 0;
}

.document-row-status {
  grid-area: status;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  padding-top: 2px;
  overflow: hidden;
}

.document-row-status .badge {
  flex: 0 0 auto;
  width: max-content;
}

.document-row .document-steps {
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
  min-width: 0;
  overflow-x: auto;
  padding-bottom: 2px;
}

.document-row .document-step {
  max-width: 92px;
  overflow: hidden;
  padding: 5px 7px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.document-row-meta {
  display: none;
}

.document-row-actions {
  grid-area: actions;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  max-width: 300px;
}

.document-row-actions button {
  min-height: 34px;
  padding: 0 10px;
  border-radius: 10px;
  background: #fff;
  font-weight: 800;
}

.document-row-actions .danger {
  color: var(--danger);
  background: #fff5f5;
}

.document-row-actions button:disabled {
  color: var(--muted);
  background: var(--surface-soft);
}

.document-error {
  width: max-content;
  max-width: 100%;
  padding: 7px 9px;
  border: 1px solid rgba(220, 38, 38, 0.16);
  border-radius: 10px;
  background: #fff5f5;
  color: var(--danger);
  font-size: 12px;
}

.chunk-modal-panel {
  width: min(920px, 100%);
}

#chunk-modal-slot {
  max-height: min(68vh, 680px);
  overflow: auto;
  padding: 18px;
}

@media (max-width: 1180px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar,
  .sidebar.collapsed {
    width: auto;
    height: auto;
    position: static;
    align-items: stretch;
  }

  .sidebar.collapsed .brand-copy,
  .sidebar.collapsed .new-chat-button strong,
  .sidebar.collapsed .nav-item span:not(.nav-icon),
  .sidebar.collapsed .sidebar-section,
  .sidebar.collapsed .runtime-card {
    display: grid;
  }

  .sidebar.collapsed .new-chat-button,
  .sidebar.collapsed .nav-item {
    width: 100%;
    height: auto;
    justify-content: flex-start;
    padding: 10px;
  }

  .chat-layout,
  .knowledge-grid,
  .knowledge-command-center,
  .knowledge-browser,
  .knowledge-summary-bar,
  .knowledge-shell,
  .settings-grid,
  .session-command-center,
  .session-layout,
  .document-toolbar,
  .upload-modal-body,
  .compact-toolbar,
  .document-grid,
  .document-workbench,
  .documents-tab-panel.active,
  .retrieval-tab-panel.active,
  .knowledge-workspace .knowledge-command-center,
  .split-grid,
  .tabbed-results {
    grid-template-columns: 1fr;
  }

  .knowledge-workspace .knowledge-command-center .metrics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .knowledge-actionbar {
    grid-template-columns: repeat(4, minmax(100px, 1fr));
    min-width: 0;
  }

  .knowledge-list-rail {
    position: static;
  }

  .retrieval-drawer {
    position: fixed;
    top: 80px;
    right: 12px;
    bottom: 12px;
  }

  .chat-panel,
  .evidence-drawer {
    height: auto;
    min-height: auto;
  }

  .evidence-drawer {
    grid-template-rows: auto;
  }
}

@media (max-width: 760px) {
  .chat-layout,
  .workspace-page {
    margin: 0;
    padding: 10px;
  }

  .context-toolbar,
  .composer,
  .tool-strip,
  .form-grid,
  .metrics-grid,
  .provider-grid,
  .debug-links,
  .session-stats,
  .document-row,
  .knowledge-actionbar,
  .knowledge-workspace .knowledge-command-center .metrics-grid,
  .document-row-actions {
    grid-template-columns: 1fr;
  }

  .knowledge-shell,
  .knowledge-summary-bar {
    padding-left: 12px;
    padding-right: 12px;
  }

  .document-row-meta,
  .document-row-actions {
    justify-items: start;
    justify-content: flex-start;
  }

  .knowledge-tabbar {
    overflow-x: auto;
    padding: 10px 12px;
  }

  .knowledge-primary .document-toolbar,
  .documents-tab-panel.active,
  .retrieval-tab-panel.active {
    padding-left: 12px;
    padding-right: 12px;
  }

  .chat-topbar,
  .page-header,
  .context-toolbar,
  .tool-strip,
  .messages,
  .composer {
    padding-left: 16px;
    padding-right: 16px;
  }

  .tool-strip,
  .tool-chip-list {
    align-items: flex-start;
    justify-content: flex-start;
  }

  .document-steps {
    grid-template-columns: 1fr;
  }

  .message {
    max-width: 94%;
  }
}

/* MCP connection workspace: one management surface, one focused detail drawer. */
.tools-content {
  grid-template-areas:
    "overview overview"
    "config inventory"
    "mcp mcp";
}

.mcp-panel {
  min-width: 0;
  display: grid;
  gap: 14px;
}

.mcp-panel-heading {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.mcp-panel-heading > div {
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.mcp-panel-heading h2 {
  margin: 0;
  color: var(--text);
  font-size: 18px;
  font-weight: 700;
}

.mcp-panel-heading span {
  color: var(--muted);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.mcp-panel-heading > button,
.mcp-notion-preset > button,
.mcp-server-actions button,
.mcp-server-card-head > button {
  min-height: 40px;
  padding: 0 13px;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 650;
  transition-property: transform, background-color, border-color, opacity;
  transition-duration: 140ms;
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

.mcp-panel button:active,
.mcp-dialog button:active,
.mcp-tool-drawer button:active {
  transform: scale(0.96);
}

.mcp-notion-preset {
  min-width: 0;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  border: 1px solid color-mix(in srgb, var(--text) 10%, var(--control-border));
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface) 82%, var(--control-bg));
  box-shadow: 0 2px 8px rgba(19, 26, 34, 0.06);
}

.mcp-notion-preset > div:nth-child(2) {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.mcp-notion-preset strong {
  color: var(--text);
  font-size: 15px;
  font-weight: 720;
}

.mcp-notion-preset span {
  color: var(--text-soft);
  font-size: 14px;
}

.mcp-server-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--inverse-bg);
  color: var(--inverse-text);
  font-size: 17px;
  font-weight: 780;
  line-height: 1;
}

.mcp-server-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.mcp-server-card {
  min-width: 0;
  display: grid;
  gap: 13px;
  padding: 14px;
  border: 1px solid var(--control-border);
  border-radius: 12px;
  background: var(--panel-bg);
  box-shadow: 0 1px 4px rgba(19, 26, 34, 0.08);
}

.mcp-server-card-head {
  min-width: 0;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  align-items: center;
  gap: 11px;
}

.mcp-server-card-head > div:nth-child(2) {
  min-width: 0;
  display: grid;
  gap: 5px;
}

.mcp-server-card-head strong {
  overflow: hidden;
  color: var(--text);
  font-size: 15px;
  font-weight: 720;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mcp-status {
  width: max-content;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 580;
}

.mcp-status i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted);
}

.mcp-status.connected i {
  background: var(--success);
}

.mcp-status.connecting i,
.mcp-status.reauthorize i {
  background: var(--warning);
}

.mcp-status.error {
  color: var(--danger);
}

.mcp-status.error i {
  background: var(--danger);
}

.mcp-server-metrics {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 11px;
  border-radius: 9px;
  background: var(--control-bg);
  color: var(--text-soft);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.mcp-server-metrics strong {
  color: var(--text);
  font-size: 13px;
  font-weight: 680;
}

.mcp-server-error {
  padding: 9px 10px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--danger) 7%, var(--surface));
  color: var(--danger);
  font-size: 13px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.mcp-server-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
}

.mcp-server-actions .danger {
  margin-left: auto;
}

.mcp-dialog {
  width: min(680px, calc(100vw - 32px));
  max-height: min(84dvh, 760px);
  overflow: auto;
  overscroll-behavior: contain;
}

.mcp-dialog .modal-form {
  display: grid;
  gap: 16px;
}

.mcp-dialog-fields,
.mcp-auth-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.mcp-dialog-fields label:nth-child(2),
.mcp-dialog-fields label:nth-child(3) {
  grid-column: 1 / -1;
}

.mcp-dialog label {
  min-width: 0;
  display: grid;
  gap: 7px;
  color: var(--text-soft);
  font-size: 14px;
  font-weight: 600;
}

.mcp-dialog input,
.mcp-dialog select {
  min-height: 42px;
}

.mcp-configured-note {
  grid-column: 1 / -1;
  padding: 9px 10px;
  border: 1px solid var(--control-border);
  border-radius: 8px;
  background: var(--control-bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.45;
}

.mcp-header-editor {
  display: grid;
  gap: 9px;
  padding: 12px;
  border-radius: 10px;
  background: var(--control-bg);
  box-shadow: inset 0 0 0 1px var(--control-border);
}

.mcp-section-heading {
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.mcp-section-heading strong {
  color: var(--text);
  font-size: 14px;
}

.mcp-header-row {
  display: grid;
  grid-template-columns: minmax(120px, 0.75fr) minmax(160px, 1.25fr) 40px;
  gap: 8px;
}

.mcp-header-row .icon-button {
  width: 40px;
  height: 42px;
}

.mcp-tool-drawer-backdrop {
  position: fixed;
  z-index: 90;
  inset: 0;
  display: flex;
  justify-content: flex-end;
  background: rgba(15, 23, 42, 0.28);
}

.mcp-tool-drawer {
  width: min(440px, 100vw);
  height: 100%;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  background: var(--surface);
  box-shadow: -18px 0 48px rgba(19, 26, 34, 0.18);
  overscroll-behavior: contain;
}

.mcp-tool-drawer-head {
  min-height: 78px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px;
  border-bottom: 1px solid var(--control-border);
}

.mcp-tool-drawer-head > div {
  min-width: 0;
  display: grid;
  gap: 5px;
}

.mcp-tool-drawer-head h2 {
  margin: 0;
  color: var(--text);
  font-size: 21px;
  font-weight: 730;
  letter-spacing: -0.012em;
}

.mcp-tool-drawer-head span {
  color: var(--text-soft);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.mcp-tool-list {
  min-height: 0;
  display: grid;
  align-content: start;
  gap: 1px;
  padding: 8px 18px 24px;
  overflow-y: auto;
}

.mcp-tool-row {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 44px;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--control-border);
}

.mcp-tool-copy {
  min-width: 0;
  display: grid;
  gap: 6px;
}

.mcp-tool-copy > div {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.mcp-tool-copy strong {
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mcp-tool-copy p {
  margin: 0;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.5;
  text-wrap: pretty;
}

.mcp-risk {
  flex: 0 0 auto;
  padding: 3px 6px;
  border-radius: 6px;
  background: var(--control-bg);
  color: var(--text-soft);
  font-size: 11px;
  font-weight: 720;
}

.mcp-risk.read {
  background: color-mix(in srgb, var(--success) 10%, var(--surface));
  color: color-mix(in srgb, var(--success) 80%, var(--text));
}

.mcp-risk.write,
.mcp-risk.unknown {
  background: color-mix(in srgb, var(--warning) 10%, var(--surface));
  color: color-mix(in srgb, var(--warning) 84%, var(--text));
}

.mcp-risk.destructive {
  background: color-mix(in srgb, var(--danger) 9%, var(--surface));
  color: var(--danger);
}

.mcp-tool-switch {
  width: 44px;
  min-width: 44px;
  height: 26px;
  min-height: 40px;
  position: relative;
  padding: 7px 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  box-shadow: none;
}

.mcp-tool-switch::before {
  content: "";
  position: absolute;
  inset: 7px 0;
  border-radius: 999px;
  background: var(--control-border);
}

.mcp-tool-switch span {
  width: 18px;
  height: 18px;
  position: absolute;
  z-index: 1;
  top: 11px;
  left: 4px;
  border-radius: 50%;
  background: var(--surface);
  box-shadow: 0 1px 4px rgba(19, 26, 34, 0.22);
  transition-property: transform;
  transition-duration: 140ms;
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

.mcp-tool-switch[aria-checked="true"]::before {
  background: var(--inverse-bg);
}

.mcp-tool-switch[aria-checked="true"] span {
  transform: translateX(18px);
}

.mcp-tool-empty {
  padding: 28px 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.55;
}

@media (hover: hover) {
  .mcp-server-card:hover {
    border-color: color-mix(in srgb, var(--text) 18%, var(--control-border));
    box-shadow: 0 5px 16px rgba(19, 26, 34, 0.10);
  }

  .mcp-tool-row:hover {
    background: color-mix(in srgb, var(--control-bg) 55%, transparent);
  }
}

@media (prefers-reduced-motion: reduce) {
  .mcp-panel button,
  .mcp-dialog button,
  .mcp-tool-drawer button,
  .mcp-tool-switch span {
    transition: none;
  }
}

@media (max-width: 900px) {
  .tools-content {
    grid-template-areas:
      "overview"
      "inventory"
      "config"
      "mcp";
  }

  .mcp-server-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 760px) {
  .mcp-panel-heading {
    align-items: flex-start;
  }

  .mcp-notion-preset {
    grid-template-columns: 42px minmax(0, 1fr);
  }

  .mcp-notion-preset > button {
    grid-column: 1 / -1;
    width: 100%;
  }

  .mcp-server-card-head {
    grid-template-columns: 42px minmax(0, 1fr);
  }

  .mcp-server-card-head > button {
    grid-column: 1 / -1;
    width: 100%;
  }

  .mcp-server-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .mcp-server-actions button,
  .mcp-server-actions .danger {
    width: 100%;
    margin: 0;
  }

  .mcp-dialog {
    width: 100%;
    max-height: min(90dvh, 760px);
    margin-top: auto;
    border-radius: 16px 16px 0 0;
    padding-bottom: env(safe-area-inset-bottom);
  }

  .mcp-dialog-fields,
  .mcp-auth-fields,
  .mcp-header-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .mcp-dialog-fields label:nth-child(2),
  .mcp-dialog-fields label:nth-child(3) {
    grid-column: auto;
  }

  .mcp-header-row .icon-button {
    width: 100%;
  }

  .mcp-tool-drawer-backdrop {
    align-items: flex-end;
  }

  .mcp-tool-drawer {
    width: 100%;
    height: min(82dvh, 720px);
    padding-bottom: env(safe-area-inset-bottom);
    border-radius: 16px 16px 0 0;
    box-shadow: 0 -18px 48px rgba(19, 26, 34, 0.18);
  }
}

/* Surface reduction pass: keep the main workflow visible, push secondary detail into drawers and modals. */
.workspace-page {
  padding-top: 18px;
}

.chat-topbar,
.page-header {
  min-height: 0;
  padding-top: 14px !important;
  padding-bottom: 12px !important;
}

.chat-topbar h1,
.page-header h1 {
  font-size: clamp(22px, 2vw, 30px) !important;
}

.chat-topbar .topbar-actions,
.chat-topbar .chat-topbar-actions,
.page-actions {
  gap: 8px;
}

.chat-topbar .secondary-button,
.chat-topbar .chat-topbar-actions button,
.page-actions button {
  min-height: 36px;
  padding: 0 12px;
  border-radius: 12px;
}

.welcome-card p {
  display: none;
}

.knowledge-summary-bar {
  display: none !important;
}

.knowledge-shell,
.knowledge-browser.knowledge-shell {
  grid-template-columns: 280px minmax(0, 1fr) !important;
  gap: 14px !important;
  padding: 0 18px 18px !important;
}

.knowledge-rail {
  position: sticky;
  top: 18px;
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
}

.kb-list-header .section-label,
.kb-search-box span,
.knowledge-primary .document-toolbar > div,
.document-table-title p,
.retrieval-tab-panel .panel-title p,
.knowledge-settings-panel .eyebrow,
.knowledge-settings-panel p {
  display: none !important;
}

.kb-list-header h2,
.document-table-title h2 {
  font-size: 18px !important;
}

.knowledge-primary {
  min-height: 0 !important;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  overflow: hidden;
}

.knowledge-primary .document-toolbar {
  grid-template-columns: minmax(220px, 360px) auto !important;
  align-items: center;
  padding: 14px 16px !important;
  border-bottom: 1px solid var(--line);
}

.active-kb-select {
  min-width: 0;
}

.knowledge-primary > #document-form {
  display: none;
}

.upload-modal #document-form {
  display: grid;
}

.upload-modal-trigger {
  min-height: 40px !important;
  padding: 0 14px !important;
  border-radius: 12px !important;
}

.knowledge-tabbar {
  padding: 8px 16px !important;
}

.knowledge-tab {
  min-height: 34px !important;
  padding: 0 12px !important;
}

.documents-tab-panel.active,
.retrieval-tab-panel.active,
.knowledge-settings-panel.active {
  padding: 14px 16px 16px !important;
}

.document-table-panel {
  padding: 0;
  border: 0;
  box-shadow: none;
}

.document-table-title {
  margin-bottom: 6px;
}

#open-retrieval-drawer-secondary-btn {
  display: none;
}

.document-row {
  padding: 16px 0 !important;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
}

.document-row:last-child {
  border-bottom: 0;
}

.document-row-actions button {
  min-height: 32px;
  border-color: transparent;
  background: transparent;
}

.document-row-actions .danger {
  background: #fff5f5;
}

#page-settings .settings-grid {
  grid-template-columns: minmax(0, 1fr) !important;
}

#page-settings .settings-side {
  display: none !important;
}

#page-settings .provider-grid {
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}

#page-settings .provider-card {
  min-height: 46px;
  border-radius: 14px;
}

@media (max-width: 1180px) {
  .knowledge-shell,
  .knowledge-browser.knowledge-shell {
    grid-template-columns: 1fr !important;
  }

  .knowledge-rail {
    position: static;
  }
}

@media (max-width: 760px) {
  .knowledge-primary .document-toolbar {
    grid-template-columns: 1fr !important;
  }
}

/* Surface reduction pass 2: remove explanatory copy from the visible shell. */
.chat-topbar .eyebrow,
.chat-topbar p,
.page-header .eyebrow,
.page-header p,
.brand-copy span,
.runtime-card {
  display: none !important;
}

.chat-topbar,
.page-header {
  border-bottom-color: transparent !important;
}

.chat-topbar > div:first-child,
.page-header > div:first-child {
  min-width: 0;
}

.chat-topbar h1,
.page-header h1 {
  margin: 0 !important;
  line-height: 1.05 !important;
}

.context-toolbar {
  display: none !important;
}

.chat-panel {
  grid-template-rows: auto minmax(0, 1fr) auto auto !important;
}

.sidebar-brand {
  padding-bottom: 8px;
}

.sidebar .sidebar-heading-row,
.sidebar-search span {
  display: none;
}

.sidebar-search {
  margin-top: 4px;
}

.sidebar-bottom-tools {
  gap: 4px;
}

.sidebar-tool {
  min-height: 40px;
}

.knowledge-workspace .page-actions {
  align-items: center;
}

.knowledge-workspace .page-actions button:not(.primary) {
  display: none;
}

.knowledge-primary .document-toolbar {
  grid-template-columns: 1fr auto !important;
}

.knowledge-primary .document-toolbar .eyebrow,
.knowledge-primary .document-toolbar p {
  display: none !important;
}

.knowledge-primary .document-toolbar h2 {
  margin: 0;
  font-size: 20px !important;
}

.retrieval-drawer .retrieval-form input::placeholder {
  color: #8a94a6;
}

#page-settings .page-header {
  margin-bottom: 10px;
}

#page-settings .panel-title p,
#page-settings .side-card p {
  display: none !important;
}

/* Sidebar collapse polish: collapsed really means the chat workspace expands. */
.app-shell {
  transition: grid-template-columns 0.22s ease;
}

body.sidebar-collapsed .app-shell {
  grid-template-columns: var(--sidebar-collapsed-width) minmax(0, 1fr);
}

body.sidebar-collapsed .sidebar {
  width: 100%;
  padding: 14px 10px;
  align-items: center;
  gap: 12px;
}

body.sidebar-collapsed .sidebar-brand {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  justify-items: center;
  gap: 8px;
  padding-bottom: 0;
}

body.sidebar-collapsed .sidebar-brand .brand-mark {
  width: 42px;
  height: 42px;
  flex-basis: 42px;
  border-radius: 14px;
}

body.sidebar-collapsed #sidebar-toggle {
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--text);
  box-shadow: none;
  font-size: 18px;
}

body.sidebar-collapsed .new-chat-button {
  width: 44px;
  height: 44px;
  min-height: 44px;
  padding: 0;
  border-radius: 15px;
}

body.sidebar-collapsed .new-chat-button span {
  font-size: 24px;
  line-height: 1;
}

body.sidebar-collapsed .sidebar-bottom-tools {
  width: 100%;
  margin-top: 4px;
  padding-top: 2px;
  border-top: 0;
  gap: 8px;
}

body.sidebar-collapsed .sidebar-tool,
body.sidebar-collapsed .user-menu-button {
  width: 44px;
  height: 44px;
  min-height: 44px;
  padding: 0;
  border-radius: 14px;
  justify-content: center;
  justify-items: center;
}

body.sidebar-collapsed .sidebar-tool.active {
  background: #eef4ff;
  color: var(--accent);
}

body.sidebar-collapsed .nav-icon {
  width: 28px;
  height: 28px;
  border-radius: 10px;
}

body.sidebar-collapsed .user-menu {
  width: 100%;
  margin-top: auto;
  padding-top: 8px;
  border-top: 0;
}

body.sidebar-collapsed .user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 13px;
}

body.sidebar-collapsed .user-popover {
  left: 54px;
  right: auto;
  bottom: 0;
  width: 132px;
}

body.sidebar-collapsed .main-stage {
  min-width: 0;
}

body.sidebar-collapsed .chat-layout {
  padding-left: 12px;
}

/* Professional surface polish pass 3: tighter workbench material, calmer accent, stronger hierarchy. */
:root {
  --bg: #eef1f4;
  --surface: #fcfcfb;
  --surface-soft: #f6f7f7;
  --surface-muted: #e9edf1;
  --text: #15191f;
  --text-soft: #303842;
  --muted: #66717d;
  --faint: #98a1aa;
  --line: #dbe1e7;
  --line-strong: #c8d0d8;
  --primary: #15191f;
  --primary-soft: #edf0f3;
  --accent: #0f766e;
  --accent-soft: #e6f4f1;
  --success: #0f766e;
  --warning: #a16207;
  --danger: #b42318;
  --radius: 8px;
  --radius-sm: 6px;
  --shadow: 0 14px 36px rgba(19, 26, 34, 0.10);
  --shadow-soft: 0 8px 20px rgba(19, 26, 34, 0.08);
}

body {
  font-family: Aptos, "Segoe UI", "Microsoft YaHei UI", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.app-shell {
  background: var(--bg);
}

.main-stage {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.42), rgba(255, 255, 255, 0) 180px),
    var(--bg);
}

.sidebar {
  border-right: 0;
  background: #f8f9f9;
  box-shadow: inset -1px 0 0 var(--line);
}

.brand-mark,
.nav-item.active .nav-icon,
body.sidebar-collapsed .sidebar-tool.active .nav-icon {
  background: var(--accent);
  color: #fff;
}

.chat-panel,
.evidence-drawer,
.workspace-page,
.panel,
.knowledge-primary {
  border-color: var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.chat-topbar,
.page-header,
.drawer-header,
.knowledge-primary .document-toolbar,
.knowledge-tabbar {
  border-bottom-color: var(--line);
  background: color-mix(in srgb, var(--surface) 86%, #fff);
}

.chat-topbar h1,
.page-header h1,
.panel-title h2,
.kb-list-header h2,
.document-table-title h2 {
  color: var(--text);
  font-weight: 720;
  letter-spacing: 0;
  text-wrap: balance;
}

.messages {
  background:
    linear-gradient(180deg, rgba(246, 247, 247, 0.92), rgba(252, 252, 251, 0.92)),
    var(--surface-soft);
}

.message.assistant {
  border-color: rgba(15, 118, 110, 0.16);
  background: #ffffff;
  box-shadow: 0 8px 22px rgba(19, 26, 34, 0.06);
}

.message.user {
  background: #1f2933;
  box-shadow: 0 10px 24px rgba(19, 26, 34, 0.16);
}

.composer,
.context-toolbar,
.tool-strip,
.knowledge-actionbar,
.provider-grid,
.settings-grid {
  background: color-mix(in srgb, var(--surface) 92%, #fff);
}

.composer-shell {
  border-color: var(--line-strong);
  background: #fff;
  box-shadow: 0 10px 24px rgba(19, 26, 34, 0.08);
}

button,
.nav-item,
.sidebar-list-item,
.session-menu-button,
.secondary-button,
.provider-card,
.knowledge-tab,
.kb-row-main,
.document-row-actions button,
.composer-plus,
.composer-send-button {
  transition-property: transform, background-color, box-shadow, color, border-color;
  transition-duration: 140ms;
  transition-timing-function: ease;
}

.new-chat-button,
.primary,
button.primary,
.composer-send-button,
.auth-form button[type="submit"] {
  border-radius: var(--radius);
  background: var(--primary);
}

.new-chat-button:active,
.primary:active,
button.primary:active,
.composer-send-button:active,
.nav-item:active,
.sidebar-list-item:active,
.knowledge-tab:active,
.provider-card:active {
  transform: scale(0.98);
}

.nav-item.active,
.sidebar-list-item.active,
.sidebar-tool.active,
.knowledge-tab.active,
.provider-card.selected {
  background: var(--accent-soft);
  color: var(--accent);
}

.knowledge-tab.active {
  box-shadow: inset 0 0 0 1px rgba(15, 118, 110, 0.18);
}

.metric strong,
.runtime-card strong,
.badge,
.document-row-meta,
.kb-row-meta,
.message-time {
  font-variant-numeric: tabular-nums;
}

@media (hover: hover) {
  .new-chat-button:hover,
  .primary:hover,
  button.primary:hover,
  .composer-send-button:hover {
    background: #26303a;
    box-shadow: 0 10px 24px rgba(19, 26, 34, 0.16);
  }

  .nav-item:hover,
  .sidebar-list-item:hover,
  .sidebar-tool:hover,
  .knowledge-tab:hover,
  .provider-card:hover,
  .document-row-actions button:hover,
  .secondary-button:hover {
    background: var(--surface-muted);
    color: var(--text);
  }
}

/* Codex console polish pass: dark agent rail, quiet paper workspace, command input. */
:root {
  --sidebar-width: 288px;
  --console-sidebar: #111315;
  --console-sidebar-soft: #181b1f;
  --console-sidebar-hover: #22262b;
  --console-sidebar-line: rgba(255, 255, 255, 0.08);
  --console-text: #f4f2ea;
  --console-muted: #9da3a9;
  --bg: #e8e8e4;
  --surface: #fbfaf7;
  --surface-soft: #f3f2ed;
  --surface-muted: #e6e3da;
  --text: #17191c;
  --text-soft: #333840;
  --muted: #6b7179;
  --faint: #969da5;
  --line: #d7d2c8;
  --line-strong: #c7c0b4;
  --primary: #17191c;
  --primary-soft: #ece9e1;
  --accent: #10a37f;
  --accent-soft: #e1f4ee;
  --shadow: 0 22px 60px rgba(17, 19, 21, 0.12);
  --shadow-soft: 0 10px 26px rgba(17, 19, 21, 0.09);
}

body {
  background: var(--bg);
  color: var(--text);
}

.app-shell {
  background: var(--bg);
}

.main-stage {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.38), rgba(255, 255, 255, 0) 220px),
    var(--bg);
}

.sidebar,
body.sidebar-collapsed .sidebar {
  color: var(--console-text);
  background: var(--console-sidebar);
  box-shadow: inset -1px 0 0 var(--console-sidebar-line);
}

.sidebar::before {
  content: "";
  position: absolute;
  top: 14px;
  left: 0;
  width: 3px;
  height: 42px;
  border-radius: 0 3px 3px 0;
  background: var(--accent);
}

.sidebar .brand-copy strong,
.sidebar .nav-item,
.sidebar .sidebar-list-item,
.sidebar .sidebar-tool,
.sidebar .user-menu-button,
.sidebar .session-menu-button {
  color: rgba(244, 242, 234, 0.82);
}

.sidebar .brand-copy span,
.sidebar .sidebar-heading,
.sidebar .empty-state,
.sidebar .sidebar-search span,
.sidebar .sidebar-list-item small,
.sidebar .user-menu-button small,
.sidebar .runtime-card {
  color: var(--console-muted);
}

.sidebar .brand-mark,
.sidebar .nav-icon,
.sidebar .user-avatar {
  background: rgba(255, 255, 255, 0.08);
  color: var(--console-text);
  box-shadow: inset 0 0 0 1px var(--console-sidebar-line);
}

.sidebar .icon-button,
.sidebar .session-menu-button {
  background: transparent;
  color: var(--console-muted);
}

.sidebar .sidebar-search input {
  border-color: var(--console-sidebar-line);
  background: var(--console-sidebar-soft);
  color: var(--console-text);
}

.sidebar .sidebar-search input::placeholder {
  color: rgba(157, 163, 169, 0.78);
}

.sidebar .new-chat-button {
  color: #101214;
  background: #f4f2ea;
  box-shadow: none;
}

.sidebar .new-chat-button span {
  color: #101214;
}

.sidebar .nav-item:hover,
.sidebar .sidebar-list-item:hover,
.sidebar .sidebar-tool:hover,
.sidebar .session-row:hover,
.sidebar .session-row.active,
.sidebar .user-menu-button:hover {
  color: var(--console-text);
  background: var(--console-sidebar-hover);
}

.sidebar .nav-item.active,
.sidebar .sidebar-list-item.active,
.sidebar .sidebar-tool.active,
.sidebar .session-row.active .sidebar-list-item,
body.sidebar-collapsed .sidebar-tool.active {
  color: #dffcf4;
  background: rgba(16, 163, 127, 0.16);
  box-shadow: inset 0 0 0 1px rgba(16, 163, 127, 0.24);
}

.sidebar .nav-item.active .nav-icon,
.sidebar .sidebar-tool.active .nav-icon,
body.sidebar-collapsed .sidebar-tool.active .nav-icon {
  color: #041411;
  background: var(--accent);
  box-shadow: none;
}

.sidebar .session-row .sidebar-list-item:hover {
  background: transparent;
}

.sidebar .session-popover,
.sidebar .user-popover {
  border: 1px solid var(--console-sidebar-line);
  background: #1c2024;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.28);
}

.sidebar .session-popover button,
.sidebar .user-popover button {
  color: var(--console-text);
}

.sidebar .user-popover button.danger { color: #ff9b98; }

.chat-layout {
  padding: 12px 14px 12px 12px;
}

.chat-panel,
.evidence-drawer,
.workspace-page,
.panel,
.knowledge-primary {
  border-color: rgba(23, 25, 28, 0.10);
  border-radius: 10px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.chat-panel {
  height: calc(100vh - 24px);
}

.chat-topbar,
.page-header,
.drawer-header,
.knowledge-primary .document-toolbar,
.knowledge-tabbar {
  min-height: 56px;
  border-bottom: 1px solid var(--line) !important;
  background: rgba(251, 250, 247, 0.96);
}

.chat-topbar h1,
.page-header h1,
.panel-title h2,
.kb-list-header h2,
.document-table-title h2 {
  color: var(--text);
  font-weight: 720;
  letter-spacing: 0;
}

.messages {
  background:
    linear-gradient(180deg, #f6f5f0 0%, #fbfaf7 62%, #f3f2ed 100%),
    var(--surface-soft);
}

.message {
  border: 1px solid transparent;
}

.message.assistant {
  max-width: min(820px, 88%);
  padding: 4px 2px;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.message.user {
  max-width: min(680px, 76%);
  border-color: rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  border-bottom-right-radius: 5px;
  background: #202326;
  color: #f7f7f2;
  box-shadow: 0 12px 26px rgba(17, 19, 21, 0.16);
}

.message.assistant code {
  background: rgba(23, 25, 28, 0.08);
}

.message.assistant a {
  color: #087c62;
  border-bottom-color: rgba(16, 163, 127, 0.26);
}

.context-toolbar,
.tool-strip,
.knowledge-actionbar,
.provider-grid,
.settings-grid {
  border-color: var(--line);
  background: #f7f6f1;
}

#chat-form.composer {
  background:
    linear-gradient(180deg, rgba(232, 232, 228, 0), rgba(232, 232, 228, 0.92) 36%, rgba(232, 232, 228, 1));
}

#chat-form.composer .composer-shell {
  min-height: 60px;
  border-color: var(--line-strong);
  border-radius: 14px;
  background: #fffefa;
  box-shadow: 0 18px 44px rgba(17, 19, 21, 0.14);
}

.composer-shell::before,
#chat-form.composer .composer-shell::before {
  content: "";
  position: absolute;
  left: 54px;
  top: 14px;
  bottom: 14px;
  width: 2px;
  border-radius: 2px;
  background: rgba(16, 163, 127, 0.72);
  pointer-events: none;
}

#chat-form.composer .composer-shell:focus-within {
  border-color: rgba(16, 163, 127, 0.48);
  box-shadow: 0 18px 44px rgba(17, 19, 21, 0.15), 0 0 0 4px rgba(16, 163, 127, 0.10);
}

#chat-form.composer .composer-plus {
  border-radius: 10px;
  background: #eeeae0;
  color: #17191c;
}

#chat-form.composer .composer-plus:hover,
#chat-form.composer .composer-plus.active {
  color: #041411;
  background: #dff4ed;
}

#chat-form.composer textarea {
  color: var(--text);
}

#chat-form.composer textarea::placeholder {
  color: #777d85;
}

#chat-form.composer #chat-submit-btn.composer-send-button,
#chat-form.composer .composer-shell > button#chat-submit-btn[type="submit"] {
  border-radius: 10px !important;
  background: var(--accent) !important;
  color: #041411 !important;
}

#chat-form.composer #chat-submit-btn.composer-send-button:hover {
  background: #0f8f72 !important;
}

.secondary-button,
.document-row-actions button,
.provider-card,
.menu-card,
.menu-select-card,
.knowledge-tab,
.kb-row-main {
  border-radius: 8px;
}

@media (hover: hover) {
  .sidebar .new-chat-button:hover {
    background: #ffffff;
    color: #101214;
  }

  .secondary-button:hover,
  .document-row-actions button:hover,
  .provider-card:hover,
  .knowledge-tab:hover {
    color: var(--text);
    background: var(--surface-muted);
  }
}

@media (max-width: 980px) {
  .sidebar,
  body.sidebar-collapsed .sidebar {
    background: var(--console-sidebar);
  }

  .chat-panel {
    height: auto;
  }
}

/* Codex empty-state pass: lighter first-run state, quieter evidence rail, darker account state. */
.sidebar .user-menu {
  border-top-color: var(--console-sidebar-line);
}

.sidebar .user-menu-button {
  border: 1px solid var(--console-sidebar-line);
  border-radius: 10px;
  background: var(--console-sidebar-soft);
}

.sidebar .user-menu-button strong {
  color: var(--console-text);
}

.sidebar .user-menu-button small {
  color: var(--console-muted);
}

.welcome-card {
  width: min(660px, 100%);
  padding: 56px 28px 26px;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.welcome-orb {
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  border-radius: 12px;
  background: #15181b;
  color: #f4f2ea;
  box-shadow: 0 10px 24px rgba(17, 19, 21, 0.16);
}

.welcome-card h2 {
  max-width: 560px;
  margin: 0 auto;
  color: #111315;
  font-size: 24px;
  line-height: 1.35;
  font-weight: 740;
}

.evidence-drawer {
  background: #fbfaf7;
}

.evidence-drawer .drawer-section {
  background: transparent;
}

.evidence-drawer .empty-state {
  border: 1px dashed rgba(23, 25, 28, 0.16);
  border-radius: 8px;
  background: #f7f6f1;
  color: #747a82;
  font-size: 12px;
}

.drawer-header h2 {
  font-size: 22px;
  line-height: 1.2;
}

.drawer-header .icon-button,
.chat-topbar .secondary-button,
.chat-topbar .chat-topbar-actions button,
.page-actions button {
  border-radius: 8px;
  background: #fffefa;
}

@media (max-width: 760px) {
  .welcome-card {
    padding-top: 34px;
  }

  .welcome-card h2 {
    font-size: 21px;
  }

}

/* Mobile console layout pass: turn the fixed agent rail into a compact top toolbar. */
@media (max-width: 760px) {
  .app-shell,
  body.sidebar-collapsed .app-shell {
    grid-template-columns: 1fr !important;
  }

  .sidebar,
  .sidebar.collapsed,
  body.sidebar-collapsed .sidebar {
    width: 100% !important;
    height: auto;
    min-height: 64px;
    position: sticky;
    top: 0;
    z-index: 60;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    overflow-x: auto;
    box-shadow: inset 0 -1px 0 var(--console-sidebar-line);
  }

  .sidebar::before {
    top: auto;
    bottom: 0;
    left: 12px;
    width: 40px;
    height: 3px;
    border-radius: 3px 3px 0 0;
  }

  .sidebar-brand,
  body.sidebar-collapsed .sidebar-brand {
    width: auto;
    min-height: 44px;
    display: flex;
    flex: 0 0 auto;
    padding: 0;
    gap: 8px;
  }

  .sidebar .brand-copy,
  .sidebar.collapsed .brand-copy,
  body.sidebar-collapsed .sidebar .brand-copy,
  .chat-history-shell,
  .sidebar .runtime-card {
    display: none !important;
  }

  .sidebar .brand-mark,
  body.sidebar-collapsed .sidebar-brand .brand-mark {
    width: 42px;
    height: 42px;
    flex-basis: 42px;
    border-radius: 14px;
  }

  #sidebar-toggle,
  body.sidebar-collapsed #sidebar-toggle {
    width: 38px;
    height: 38px;
    border-color: var(--console-sidebar-line);
    background: transparent;
    color: var(--console-text);
  }

  .sidebar .new-chat-button,
  .sidebar.collapsed .new-chat-button,
  body.sidebar-collapsed .new-chat-button {
    width: 42px !important;
    min-width: 42px;
    max-width: 42px;
    height: 42px;
    min-height: 42px;
    padding: 0;
    border-radius: 13px;
    justify-content: center;
  }

  .sidebar .new-chat-button strong,
  .sidebar.collapsed .new-chat-button strong,
  body.sidebar-collapsed .new-chat-button strong {
    display: none !important;
  }

  .sidebar-bottom-tools,
  body.sidebar-collapsed .sidebar-bottom-tools {
    width: auto;
    display: flex;
    flex: 0 0 auto;
    gap: 6px;
    margin: 0 0 0 auto;
    padding: 0;
    border: 0;
  }

  .sidebar-tool,
  .sidebar.collapsed .sidebar-tool,
  body.sidebar-collapsed .sidebar-tool,
  .user-menu-button,
  .sidebar.collapsed .user-menu-button,
  body.sidebar-collapsed .user-menu-button {
    width: 40px !important;
    min-width: 40px;
    max-width: 40px;
    height: 40px;
    min-height: 40px;
    padding: 0;
    border-radius: 12px;
    justify-content: center;
    justify-items: center;
  }

  .sidebar-tool span:not(.nav-icon),
  body.sidebar-collapsed .sidebar-tool span:not(.nav-icon),
  .user-menu-button span:not(.user-avatar),
  body.sidebar-collapsed .user-menu-button span:not(.user-avatar) {
    display: none !important;
  }

  .sidebar .nav-icon,
  body.sidebar-collapsed .nav-icon {
    width: 28px;
    height: 28px;
    border-radius: 10px;
  }

  .user-menu,
  body.sidebar-collapsed .user-menu {
    width: auto;
    flex: 0 0 auto;
    margin: 0;
    padding: 0;
    border: 0;
  }

  .main-stage,
  body.sidebar-collapsed .main-stage {
    min-width: 0;
  }

  .chat-layout,
  body.sidebar-collapsed .chat-layout {
    padding: 8px;
  }

  .chat-panel,
  .workspace-page {
    border-radius: 8px;
  }

  .chat-topbar {
    gap: 10px;
  }

  .chat-topbar .topbar-actions,
  .chat-topbar .chat-topbar-actions {
    flex-wrap: nowrap;
  }

  .chat-topbar .secondary-button,
  .chat-topbar .chat-topbar-actions button {
    white-space: nowrap;
  }

  .chat-topbar #inspector-toggle {
    width: 42px;
    min-width: 42px;
    padding: 0;
    overflow: hidden;
    font-size: 0;
  }

  .chat-topbar #inspector-toggle::before {
    content: "引用";
    font-size: 14px;
    font-weight: 800;
  }

  .chat-topbar #refresh-btn {
    display: none;
  }

  .messages {
    min-height: 58vh;
    overflow-x: hidden;
  }

  .welcome-card {
    width: 100%;
    padding-inline: 10px;
  }

  .welcome-card h2 {
    max-width: 280px;
  }

  #chat-form.composer {
    padding: 10px 12px 12px;
  }

  #chat-form.composer .composer-shell {
    grid-template-columns: 42px minmax(0, 1fr) 42px;
    min-height: 58px;
  }

  .composer-shell::before,
  #chat-form.composer .composer-shell::before {
    left: 52px;
  }

  #chat-form.composer textarea {
    font-size: 14px;
  }
}

/* Mobile auth layout pass: keep the login gateway inside narrow screens. */
@media (max-width: 760px) {
  .auth-screen {
    min-height: 100dvh;
    padding: 16px;
    align-items: center;
    justify-items: stretch;
  }

  .auth-card {
    width: 100%;
    max-width: 100%;
    padding: 22px;
    border-radius: 20px;
  }

  .auth-brand {
    align-items: center;
    gap: 12px;
  }

  .auth-brand h1 {
    margin-top: 2px;
    font-size: 25px;
    line-height: 1.18;
    overflow-wrap: anywhere;
  }

  .auth-brand p {
    font-size: 13px;
    line-height: 1.65;
  }

  .auth-tabs {
    min-width: 0;
  }

  .auth-form input,
  .auth-form button,
  .auth-provider-button {
    min-width: 0;
  }
}

/* Accessibility polish pass: visible keyboard focus, skip link, reduced motion, overflow guard. */
html {
  scroll-padding-top: 72px;
}

body {
  overflow-x: hidden;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid rgba(16, 163, 127, 0.34);
  border-radius: 8px;
  background: #fffefa;
  color: #111315;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 14px 34px rgba(17, 19, 21, 0.18);
  transform: translateY(-72px);
  transition: transform 140ms ease;
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid rgba(16, 163, 127, 0.92);
  outline-offset: 3px;
  box-shadow: 0 0 0 5px rgba(16, 163, 127, 0.14);
}

.sidebar button:focus-visible,
.sidebar a:focus-visible,
.sidebar input:focus-visible {
  outline-color: #72e5c8;
  box-shadow: 0 0 0 4px rgba(16, 163, 127, 0.24);
}

.main-stage:focus {
  outline: none;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}

/* Monochrome theme pass: one black/white system with a persisted light/dark switch. */
:root,
:root[data-theme="mono-light"] {
  color-scheme: light;
  --mono-control-bg: #f7f7f4;
  --mono-control-bg-strong: #ffffff;
  --mono-control-border: #d7d7d1;
  --mono-focus: rgba(17, 17, 17, 0.72);
  --bg: #e9e9e6;
  --surface: #fbfbfa;
  --surface-soft: #f4f4f1;
  --surface-muted: #e8e8e3;
  --text: #151515;
  --text-soft: #303030;
  --muted: #74746f;
  --faint: #a4a49e;
  --line: #d9d9d3;
  --line-strong: #c7c7bf;
  --primary: #111111;
  --primary-soft: #eeeeea;
  --accent: #111111;
  --accent-soft: #ededeb;
  --console-sidebar: #101112;
  --console-sidebar-soft: #18191b;
  --console-sidebar-hover: #242527;
  --console-sidebar-line: rgba(255, 255, 255, 0.10);
  --console-text: #f5f5ef;
  --console-muted: #a7a7a1;
  --shadow: 0 22px 60px rgba(17, 17, 17, 0.11);
  --shadow-soft: 0 10px 26px rgba(17, 17, 17, 0.08);
}

:root[data-theme="mono-dark"] {
  color-scheme: dark;
  --mono-control-bg: #171819;
  --mono-control-bg-strong: #202123;
  --mono-control-border: #343538;
  --mono-focus: rgba(245, 245, 239, 0.76);
  --bg: #090a0b;
  --surface: #121314;
  --surface-soft: #0f1011;
  --surface-muted: #1c1d1f;
  --text: #f3f3ef;
  --text-soft: #dcdcd6;
  --muted: #a0a09a;
  --faint: #73736e;
  --line: #28292b;
  --line-strong: #3b3c3f;
  --primary: #f3f3ef;
  --primary-soft: #1d1e20;
  --accent: #f3f3ef;
  --accent-soft: #202123;
  --console-sidebar: #050607;
  --console-sidebar-soft: #101112;
  --console-sidebar-hover: #1b1c1f;
  --console-sidebar-line: rgba(255, 255, 255, 0.10);
  --console-text: #f5f5ef;
  --console-muted: #a1a19b;
  --shadow: 0 24px 68px rgba(0, 0, 0, 0.42);
  --shadow-soft: 0 12px 32px rgba(0, 0, 0, 0.30);
}

body,
.app-shell {
  background: var(--bg);
  color: var(--text);
}

.main-stage {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 44%, transparent), transparent 240px),
    var(--bg);
}

.chat-panel,
.evidence-drawer,
.workspace-page,
.panel,
.knowledge-primary,
.auth-card {
  border-color: color-mix(in srgb, var(--line) 82%, transparent);
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
}

.chat-topbar,
.page-header,
.drawer-header,
.knowledge-primary .document-toolbar,
.knowledge-tabbar,
#chat-form.composer {
  border-color: var(--line) !important;
  background: color-mix(in srgb, var(--surface) 94%, var(--bg));
}

.messages {
  background:
    linear-gradient(180deg, var(--surface-soft) 0%, var(--surface) 62%, var(--surface-soft) 100%),
    var(--surface);
}

.sidebar::before,
.composer-shell::before,
#chat-form.composer .composer-shell::before {
  background: var(--console-text);
}

.sidebar .new-chat-button,
.drawer-header .icon-button,
.chat-topbar .secondary-button,
.chat-topbar .chat-topbar-actions button,
.page-actions button,
.secondary-button,
.document-row-actions button,
.provider-card,
.menu-card,
.menu-select-card,
.knowledge-tab,
.kb-row-main,
.auth-tabs,
input,
textarea,
select {
  border-color: var(--mono-control-border);
  background: var(--mono-control-bg);
  color: var(--text);
}

.sidebar .new-chat-button {
  color: #101112;
  background: #f5f5ef;
}

.sidebar .nav-item.active,
.sidebar .sidebar-list-item.active,
.sidebar .sidebar-tool.active,
.sidebar .session-row.active .sidebar-list-item,
body.sidebar-collapsed .sidebar-tool.active {
  color: var(--console-text);
  background: rgba(255, 255, 255, 0.10);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14);
}

.sidebar .nav-item.active .nav-icon,
.sidebar .sidebar-tool.active .nav-icon,
body.sidebar-collapsed .sidebar-tool.active .nav-icon {
  color: var(--console-sidebar);
  background: var(--console-text);
}

.theme-toggle {
  position: relative;
}

.theme-toggle .nav-icon {
  font-weight: 900;
}

#theme-toggle-btn[aria-pressed="true"] {
  color: var(--console-text);
  background: rgba(255, 255, 255, 0.14);
}

#chat-form.composer .composer-shell {
  border-color: var(--line-strong);
  background: var(--mono-control-bg-strong);
}

#chat-form.composer #chat-submit-btn.composer-send-button,
#chat-form.composer .composer-shell > button#chat-submit-btn[type="submit"],
.new-chat-button,
.primary,
button.primary,
.auth-form button[type="submit"] {
  background: var(--text) !important;
  color: var(--surface) !important;
}

#chat-form.composer #chat-submit-btn.composer-send-button:hover,
.new-chat-button:hover,
.primary:hover,
button.primary:hover,
.auth-form button[type="submit"]:hover {
  background: var(--text-soft) !important;
  color: var(--surface) !important;
}

.message.user {
  background: var(--text);
  color: var(--surface);
}

.message.assistant a {
  color: var(--text);
  border-bottom-color: color-mix(in srgb, var(--text) 24%, transparent);
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline-color: var(--mono-focus);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--mono-focus) 18%, transparent);
}

:root[data-theme="mono-dark"] .sidebar .new-chat-button {
  color: #050607 !important;
  background: #f5f5ef !important;
}

:root[data-theme="mono-dark"] .welcome-orb,
:root[data-theme="mono-dark"] .brand-mark {
  background: #f5f5ef;
  color: #050607;
}

:root[data-theme="mono-dark"] .welcome-card h2,
:root[data-theme="mono-dark"] .chat-topbar h1,
:root[data-theme="mono-dark"] .page-header h1,
:root[data-theme="mono-dark"] .drawer-header h2 {
  color: var(--text);
}

:root[data-theme="mono-dark"] .evidence-drawer .empty-state,
:root[data-theme="mono-dark"] .sidebar .user-menu-button,
:root[data-theme="mono-dark"] .sidebar .sidebar-search input,
:root[data-theme="mono-dark"] .session-popover,
:root[data-theme="mono-dark"] .user-popover {
  border-color: var(--line-strong);
  background: var(--mono-control-bg);
}

:root[data-theme="mono-dark"] #chat-form.composer {
  background:
    linear-gradient(180deg, rgba(9, 10, 11, 0), rgba(9, 10, 11, 0.92) 36%, #090a0b);
}

/* Monochrome contrast correction: keep sidebar commands legible on the black rail. */
.sidebar .new-chat-button,
:root[data-theme="mono-dark"] .sidebar .new-chat-button {
  background: #f5f5ef !important;
  color: #050607 !important;
}

.sidebar .new-chat-button span,
.sidebar .new-chat-button strong,
:root[data-theme="mono-dark"] .sidebar .new-chat-button span,
:root[data-theme="mono-dark"] .sidebar .new-chat-button strong {
  color: inherit !important;
}

/* Unified app theme pass: sidebar, workspace, and composer share one surface system. */
:root,
:root[data-theme="mono-light"] {
  --workspace-bg: #ffffff;
  --panel-bg: #ffffff;
  --panel-bg-soft: #fbfbfb;
  --rail-bg: #ffffff;
  --rail-panel: #ffffff;
  --rail-hover: #f5f5f5;
  --rail-text: #171717;
  --rail-muted: #6b6b66;
  --control-bg: #ffffff;
  --control-bg-hover: #f5f5f5;
  --control-border: #e2e2e2;
  --inverse-bg: #151515;
  --inverse-text: #f7f7f2;
  --bg: var(--workspace-bg);
  --surface: var(--panel-bg);
  --surface-soft: var(--panel-bg-soft);
  --surface-muted: #f5f5f5;
  --text: #171717;
  --text-soft: #303030;
  --muted: #696965;
  --line: #e5e5e5;
  --line-strong: #d7d7d7;
  --accent: var(--text);
  --accent-soft: var(--control-bg-hover);
  --console-sidebar: var(--rail-bg);
  --console-sidebar-soft: var(--rail-panel);
  --console-sidebar-hover: var(--rail-hover);
  --console-sidebar-line: var(--control-border);
  --console-text: var(--rail-text);
  --console-muted: var(--rail-muted);
  --mono-control-bg: var(--control-bg);
  --mono-control-bg-strong: var(--control-bg);
  --mono-control-border: var(--control-border);
}

:root[data-theme="mono-dark"] {
  --workspace-bg: #101112;
  --panel-bg: #171819;
  --panel-bg-soft: #131415;
  --rail-bg: #101112;
  --rail-panel: #171819;
  --rail-hover: #222326;
  --rail-text: #f2f2ed;
  --rail-muted: #a4a49e;
  --control-bg: #1c1d1f;
  --control-bg-hover: #26272a;
  --control-border: #36373a;
  --inverse-bg: #f2f2ed;
  --inverse-text: #101112;
  --bg: var(--workspace-bg);
  --surface: var(--panel-bg);
  --surface-soft: var(--panel-bg-soft);
  --surface-muted: #222326;
  --text: #f2f2ed;
  --text-soft: #deded8;
  --muted: #a5a59f;
  --line: #2b2c2f;
  --line-strong: #3a3b3f;
  --accent: var(--text);
  --accent-soft: var(--control-bg-hover);
  --console-sidebar: var(--rail-bg);
  --console-sidebar-soft: var(--rail-panel);
  --console-sidebar-hover: var(--rail-hover);
  --console-sidebar-line: var(--control-border);
  --console-text: var(--rail-text);
  --console-muted: var(--rail-muted);
  --mono-control-bg: var(--control-bg);
  --mono-control-bg-strong: var(--control-bg);
  --mono-control-border: var(--control-border);
}

body,
.app-shell,
.main-stage {
  background: var(--workspace-bg);
  color: var(--text);
}

.main-stage {
  background: var(--workspace-bg);
}

.sidebar,
body.sidebar-collapsed .sidebar {
  background: var(--rail-bg);
  color: var(--rail-text);
  border-right: 1px solid var(--control-border);
  box-shadow: none;
}

.sidebar::before {
  background: var(--rail-text);
  opacity: 0.86;
}

.sidebar .brand-copy strong,
.sidebar .nav-item,
.sidebar .sidebar-list-item,
.sidebar .sidebar-tool,
.sidebar .user-menu-button,
.sidebar .session-menu-button {
  color: var(--rail-text);
}

.sidebar .brand-copy span,
.sidebar .sidebar-heading,
.sidebar .empty-state,
.sidebar .sidebar-search span,
.sidebar .sidebar-list-item small,
.sidebar .user-menu-button small,
.sidebar .runtime-card {
  color: var(--rail-muted);
}

.sidebar .brand-mark,
.sidebar .nav-icon,
.sidebar .user-avatar,
.sidebar .user-menu-button,
.sidebar .sidebar-search input,
.sidebar .session-popover,
.sidebar .user-popover {
  border-color: var(--control-border);
  background: var(--rail-panel);
  color: var(--rail-text);
  box-shadow: none;
}

.sidebar .new-chat-button,
:root[data-theme="mono-dark"] .sidebar .new-chat-button {
  border: 1px solid var(--control-border);
  background: var(--control-bg) !important;
  color: var(--rail-text) !important;
  box-shadow: none;
}

.sidebar .nav-item:hover,
.sidebar .sidebar-list-item:hover,
.sidebar .sidebar-tool:hover,
.sidebar .session-row:hover,
.sidebar .session-row.active,
.sidebar .user-menu-button:hover,
.sidebar .new-chat-button:hover {
  background: var(--rail-hover) !important;
  color: var(--rail-text) !important;
}

.sidebar .nav-item.active,
.sidebar .sidebar-list-item.active,
.sidebar .sidebar-tool.active,
.sidebar .session-row.active .sidebar-list-item,
body.sidebar-collapsed .sidebar-tool.active,
#theme-toggle-btn[aria-pressed="true"] {
  color: var(--rail-text);
  background: var(--rail-hover);
  box-shadow: inset 0 0 0 1px var(--control-border);
}

.sidebar .nav-item.active .nav-icon,
.sidebar .sidebar-tool.active .nav-icon,
body.sidebar-collapsed .sidebar-tool.active .nav-icon {
  color: var(--inverse-text);
  background: var(--inverse-bg);
}

.chat-panel,
.evidence-drawer,
.workspace-page,
.panel,
.knowledge-primary,
.auth-card {
  border-color: var(--control-border);
  background: var(--panel-bg);
  color: var(--text);
  box-shadow: none;
}

.chat-topbar,
.page-header,
.drawer-header,
.knowledge-primary .document-toolbar,
.knowledge-tabbar,
#chat-form.composer,
.context-toolbar,
.tool-strip,
.knowledge-actionbar,
.provider-grid,
.settings-grid {
  border-color: var(--control-border) !important;
  background: var(--panel-bg);
}

.messages {
  background: var(--panel-bg);
}

.welcome-orb,
:root[data-theme="mono-dark"] .welcome-orb,
:root[data-theme="mono-dark"] .brand-mark {
  background: var(--inverse-bg);
  color: var(--inverse-text);
}

.drawer-header .icon-button,
.chat-topbar .secondary-button,
.chat-topbar .chat-topbar-actions button,
.page-actions button,
.secondary-button,
.document-row-actions button,
.provider-card,
.menu-card,
.menu-select-card,
.knowledge-tab,
.kb-row-main,
.auth-tabs,
input,
textarea,
select,
#chat-form.composer .composer-plus,
#chat-form.composer .composer-shell {
  border-color: var(--control-border);
  background: var(--control-bg);
  color: var(--text);
  box-shadow: none;
}

.drawer-header .icon-button:hover,
.chat-topbar .secondary-button:hover,
.chat-topbar .chat-topbar-actions button:hover,
.page-actions button:hover,
.secondary-button:hover,
.document-row-actions button:hover,
.provider-card:hover,
.knowledge-tab:hover,
#chat-form.composer .composer-plus:hover,
#chat-form.composer .composer-plus.active {
  background: var(--control-bg-hover);
  color: var(--text);
}

.composer-shell::before,
#chat-form.composer .composer-shell::before {
  background: var(--text);
  color: var(--text);
}

#chat-form.composer .composer-shell:focus-within {
  border-color: var(--text);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--text) 12%, transparent);
}

#chat-form.composer #chat-submit-btn.composer-send-button,
#chat-form.composer .composer-shell > button#chat-submit-btn[type="submit"],
.primary,
button.primary,
.auth-form button[type="submit"] {
  background: var(--inverse-bg) !important;
  color: var(--inverse-text) !important;
}

#chat-form.composer #chat-submit-btn.composer-send-button:hover,
.primary:hover,
button.primary:hover,
.auth-form button[type="submit"]:hover {
  background: var(--text-soft) !important;
  color: var(--surface) !important;
}

:root[data-theme="mono-dark"] #chat-form.composer {
  background: var(--panel-bg);
}

@media (max-width: 760px) {
  .sidebar,
  .sidebar.collapsed,
  body.sidebar-collapsed .sidebar {
    background: var(--rail-bg);
    box-shadow: inset 0 -1px 0 var(--control-border);
  }
}

/* Dark surface correction pass: remove leftover light cards from night mode. */
:root[data-theme="mono-dark"] #composer-menu,
:root[data-theme="mono-dark"] .composer-menu {
  border: 1px solid var(--control-border);
  background: color-mix(in srgb, var(--panel-bg) 94%, #000);
  color: var(--text);
  box-shadow: 0 20px 52px rgba(0, 0, 0, 0.42);
}

:root[data-theme="mono-dark"] #composer-menu .composer-settings-panel,
:root[data-theme="mono-dark"] #composer-menu .menu-card,
:root[data-theme="mono-dark"] #composer-menu .menu-select-card,
:root[data-theme="mono-dark"] .upload-modal,
:root[data-theme="mono-dark"] .modal,
:root[data-theme="mono-dark"] .modal-card,
:root[data-theme="mono-dark"] .settings-panel-card,
:root[data-theme="mono-dark"] .document-table-panel,
:root[data-theme="mono-dark"] .documents-tab-panel > .panel,
:root[data-theme="mono-dark"] .retrieval-tab-panel > .panel,
:root[data-theme="mono-dark"] .knowledge-settings-panel {
  border-color: var(--control-border) !important;
  background: var(--control-bg) !important;
  color: var(--text);
  box-shadow: none;
}

:root[data-theme="mono-dark"] #composer-menu .menu-card:hover,
:root[data-theme="mono-dark"] #composer-menu .menu-select-card:hover,
:root[data-theme="mono-dark"] .kb-row:hover,
:root[data-theme="mono-dark"] .kb-row.active {
  border-color: color-mix(in srgb, var(--text) 24%, var(--control-border));
  background: var(--control-bg-hover) !important;
}

:root[data-theme="mono-dark"] #composer-menu .menu-icon,
:root[data-theme="mono-dark"] .kb-list-header .icon-button,
:root[data-theme="mono-dark"] .session-menu-button {
  border: 1px solid var(--control-border);
  background: var(--panel-bg-soft);
  color: var(--text);
}

:root[data-theme="mono-dark"] #composer-menu select,
:root[data-theme="mono-dark"] #composer-menu input,
:root[data-theme="mono-dark"] .kb-search-box input,
:root[data-theme="mono-dark"] .knowledge-primary select,
:root[data-theme="mono-dark"] .knowledge-primary input {
  border-color: var(--control-border);
  background: color-mix(in srgb, var(--workspace-bg) 70%, var(--control-bg));
  color: var(--text);
}

:root[data-theme="mono-dark"] .knowledge-rail,
:root[data-theme="mono-dark"] .knowledge-list-rail,
:root[data-theme="mono-dark"] .kb-list-header,
:root[data-theme="mono-dark"] .kb-search-box,
:root[data-theme="mono-dark"] .kb-row,
:root[data-theme="mono-dark"] .kb-row-main,
:root[data-theme="mono-dark"] .knowledge-tab-panel,
:root[data-theme="mono-dark"] .document-table,
:root[data-theme="mono-dark"] .empty-state {
  border-color: var(--control-border);
  background: var(--panel-bg);
  color: var(--text);
}

:root[data-theme="mono-dark"] .kb-row-title,
:root[data-theme="mono-dark"] .document-table-title h2,
:root[data-theme="mono-dark"] .knowledge-primary h2,
:root[data-theme="mono-dark"] .menu-card strong,
:root[data-theme="mono-dark"] .menu-section-title strong {
  color: var(--text);
}

:root[data-theme="mono-dark"] .kb-row-desc,
:root[data-theme="mono-dark"] .kb-row-meta,
:root[data-theme="mono-dark"] .menu-card small,
:root[data-theme="mono-dark"] .composer-menu-summary,
:root[data-theme="mono-dark"] .menu-section-title span {
  color: var(--muted);
}

:root[data-theme="mono-dark"] .knowledge-tab.active,
:root[data-theme="mono-dark"] .sidebar-tool.active {
  border-color: color-mix(in srgb, var(--text) 28%, var(--control-border));
  background: var(--control-bg-hover);
  color: var(--text);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--text) 12%, transparent);
}

:root[data-theme="mono-dark"] #chat-form.composer .composer-plus,
:root[data-theme="mono-dark"] #chat-form.composer .composer-shell {
  border-color: var(--control-border);
  background: color-mix(in srgb, var(--panel-bg) 78%, #000);
}

:root[data-theme="mono-dark"] #chat-form.composer .composer-plus.active {
  background: var(--control-bg-hover);
  box-shadow: inset 0 0 0 1px var(--control-border);
}

/* Night mode audit pass: calm badges, buttons, focus rings, and model settings cards. */
:root[data-theme="mono-dark"] {
  --success: #8fd7bc;
  --warning: #e5c07b;
  --danger: #f0a3a3;
  --mono-focus: #d7d7cf;
}

:root[data-theme="mono-dark"] .settings-main .panel,
:root[data-theme="mono-dark"] .settings-main .stack-form,
:root[data-theme="mono-dark"] #model-list,
:root[data-theme="mono-dark"] #model-list .item,
:root[data-theme="mono-dark"] .item {
  border-color: var(--control-border);
  background: color-mix(in srgb, var(--panel-bg) 88%, #000);
  color: var(--text);
  box-shadow: none;
}

:root[data-theme="mono-dark"] #model-list .item {
  border-radius: 12px;
  background: color-mix(in srgb, var(--workspace-bg) 46%, var(--panel-bg));
}

:root[data-theme="mono-dark"] .item h3,
:root[data-theme="mono-dark"] .item h4,
:root[data-theme="mono-dark"] .panel-title h2,
:root[data-theme="mono-dark"] .stack-form h2 {
  color: var(--text);
}

:root[data-theme="mono-dark"] .item p,
:root[data-theme="mono-dark"] .panel-title p {
  color: var(--muted);
}

:root[data-theme="mono-dark"] .actions button,
:root[data-theme="mono-dark"] .button-row button,
:root[data-theme="mono-dark"] .document-row-actions button,
:root[data-theme="mono-dark"] .secondary-button,
:root[data-theme="mono-dark"] .chat-topbar .secondary-button,
:root[data-theme="mono-dark"] .chat-topbar .chat-topbar-actions button,
:root[data-theme="mono-dark"] .page-actions button {
  border: 1px solid var(--control-border);
  background: var(--control-bg);
  color: var(--text-soft);
  box-shadow: none;
}

:root[data-theme="mono-dark"] .actions button:hover,
:root[data-theme="mono-dark"] .button-row button:hover,
:root[data-theme="mono-dark"] .document-row-actions button:hover,
:root[data-theme="mono-dark"] .secondary-button:hover,
:root[data-theme="mono-dark"] .chat-topbar .secondary-button:hover,
:root[data-theme="mono-dark"] .chat-topbar .chat-topbar-actions button:hover,
:root[data-theme="mono-dark"] .page-actions button:hover {
  background: var(--control-bg-hover);
  color: var(--text);
}

:root[data-theme="mono-dark"] .actions button.danger,
:root[data-theme="mono-dark"] .document-row-actions .danger,
:root[data-theme="mono-dark"] button.danger {
  border-color: color-mix(in srgb, var(--danger) 28%, var(--control-border));
  background: color-mix(in srgb, var(--danger) 10%, var(--control-bg));
  color: var(--danger);
}

:root[data-theme="mono-dark"] .actions button.danger:hover,
:root[data-theme="mono-dark"] .document-row-actions .danger:hover,
:root[data-theme="mono-dark"] button.danger:hover {
  background: color-mix(in srgb, var(--danger) 16%, var(--control-bg-hover));
  color: #ffd2d2;
}

:root[data-theme="mono-dark"] .badge,
:root[data-theme="mono-dark"] .badge.ok,
:root[data-theme="mono-dark"] .badge.warn,
:root[data-theme="mono-dark"] .badge.progress {
  border: 1px solid var(--control-border);
  background: var(--control-bg);
  color: var(--muted);
}

:root[data-theme="mono-dark"] .badge.ok {
  border-color: color-mix(in srgb, var(--success) 28%, var(--control-border));
  background: color-mix(in srgb, var(--success) 10%, var(--control-bg));
  color: var(--success);
}

:root[data-theme="mono-dark"] .badge.warn,
:root[data-theme="mono-dark"] .badge.progress {
  border-color: color-mix(in srgb, var(--warning) 24%, var(--control-border));
  background: color-mix(in srgb, var(--warning) 9%, var(--control-bg));
  color: var(--warning);
}

:root[data-theme="mono-dark"] button:disabled,
:root[data-theme="mono-dark"] button.primary:disabled,
:root[data-theme="mono-dark"] .primary:disabled,
:root[data-theme="mono-dark"] .stack-form > button:disabled,
:root[data-theme="mono-dark"] .button-row button[type="submit"]:disabled {
  border: 1px solid var(--control-border) !important;
  background: color-mix(in srgb, var(--control-bg) 84%, #000) !important;
  color: color-mix(in srgb, var(--muted) 78%, transparent) !important;
  opacity: 1;
  cursor: not-allowed;
  box-shadow: none !important;
}

:root[data-theme="mono-dark"] .sidebar button:focus-visible,
:root[data-theme="mono-dark"] .sidebar a:focus-visible,
:root[data-theme="mono-dark"] .sidebar input:focus-visible,
:root[data-theme="mono-dark"] button:focus-visible,
:root[data-theme="mono-dark"] a:focus-visible,
:root[data-theme="mono-dark"] input:focus-visible,
:root[data-theme="mono-dark"] textarea:focus-visible,
:root[data-theme="mono-dark"] select:focus-visible,
:root[data-theme="mono-dark"] [tabindex]:focus-visible {
  outline-color: color-mix(in srgb, var(--text) 58%, transparent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--text) 10%, transparent);
}

:root[data-theme="mono-dark"] .sidebar-tool.active,
:root[data-theme="mono-dark"] .sidebar .nav-item.active,
:root[data-theme="mono-dark"] .sidebar .sidebar-list-item.active,
:root[data-theme="mono-dark"] #theme-toggle-btn[aria-pressed="true"] {
  border-color: var(--control-border);
  background: var(--rail-hover);
  color: var(--rail-text);
  box-shadow: inset 0 0 0 1px var(--control-border);
}

:root[data-theme="mono-dark"] .provider-card.selected,
:root[data-theme="mono-dark"] .knowledge-tab.active,
:root[data-theme="mono-dark"] .tool-chip.active {
  border-color: color-mix(in srgb, var(--text) 20%, var(--control-border));
  background: var(--control-bg-hover);
  color: var(--text);
  box-shadow: none;
}

:root[data-theme="mono-dark"] .session-popover button:hover,
:root[data-theme="mono-dark"] .user-popover button:hover,
:root[data-theme="mono-dark"] .sidebar-list-item:hover,
:root[data-theme="mono-dark"] .session-row:hover,
:root[data-theme="mono-dark"] .nav-item:hover {
  background: var(--rail-hover);
  color: var(--rail-text);
}

:root[data-theme="mono-dark"] .file-drop,
:root[data-theme="mono-dark"] .file-drop.dragging,
:root[data-theme="mono-dark"] .file-drop.has-file,
:root[data-theme="mono-dark"] .document-error,
:root[data-theme="mono-dark"] .document-row,
:root[data-theme="mono-dark"] .chunk-item,
:root[data-theme="mono-dark"] .timeline-item,
:root[data-theme="mono-dark"] .tool-call {
  border-color: var(--control-border);
  background: color-mix(in srgb, var(--panel-bg) 84%, #000);
  color: var(--text);
  box-shadow: none;
}

:root[data-theme="mono-dark"] .file-drop.dragging,
:root[data-theme="mono-dark"] .file-drop.has-file {
  border-color: color-mix(in srgb, var(--text) 22%, var(--control-border));
  background: var(--control-bg-hover);
}

:root[data-theme="mono-dark"] .document-step.current i,
:root[data-theme="mono-dark"] .document-step.done i,
:root[data-theme="mono-dark"] .tool-chip.active::before,
:root[data-theme="mono-dark"] .timeline-item::before {
  background: var(--text);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--text) 8%, transparent);
}

/* Settings night finish pass: one monochrome material system for dark mode. */
:root[data-theme="mono-dark"] {
  --night-border: #2a2b2e;
  --night-border-soft: #232426;
  --night-control: #18191b;
  --night-control-hover: #222326;
  --night-surface: #141516;
  --night-surface-raised: #191a1c;
  --night-soft-text: #c8c8c1;
  --night-muted-text: #999993;
  --night-danger-text: #e49a9a;
  --night-success-text: #a8d8c5;
}

:root[data-theme="mono-dark"] #page-settings .workspace-page,
:root[data-theme="mono-dark"] #page-settings .settings-grid,
:root[data-theme="mono-dark"] #page-knowledge .workspace-page,
:root[data-theme="mono-dark"] .chat-panel {
  border-color: var(--night-border);
  background: #151617;
}

:root[data-theme="mono-dark"] #page-settings .panel,
:root[data-theme="mono-dark"] #page-settings .stack-form,
:root[data-theme="mono-dark"] #page-settings #model-list,
:root[data-theme="mono-dark"] #page-knowledge .panel,
:root[data-theme="mono-dark"] #composer-menu,
:root[data-theme="mono-dark"] .modal-card,
:root[data-theme="mono-dark"] .upload-modal {
  border-color: var(--night-border) !important;
  background: var(--night-surface) !important;
  color: var(--text);
  box-shadow: none;
}

:root[data-theme="mono-dark"] #page-settings .provider-grid {
  border: 0;
  background: transparent !important;
}

:root[data-theme="mono-dark"] #page-settings .provider-card,
:root[data-theme="mono-dark"] #page-settings input,
:root[data-theme="mono-dark"] #page-settings select,
:root[data-theme="mono-dark"] #composer-menu input,
:root[data-theme="mono-dark"] #composer-menu select,
:root[data-theme="mono-dark"] #composer-menu .menu-card,
:root[data-theme="mono-dark"] #composer-menu .menu-select-card {
  border-color: var(--night-border);
  background: var(--night-control);
  color: var(--text);
  box-shadow: none;
}

:root[data-theme="mono-dark"] #page-settings label,
:root[data-theme="mono-dark"] #composer-menu label,
:root[data-theme="mono-dark"] .document-row-meta {
  color: var(--night-soft-text);
}

:root[data-theme="mono-dark"] #page-settings input::placeholder,
:root[data-theme="mono-dark"] #page-settings textarea::placeholder,
:root[data-theme="mono-dark"] #page-settings select:invalid,
:root[data-theme="mono-dark"] #composer-menu small,
:root[data-theme="mono-dark"] #composer-menu .composer-menu-summary {
  color: var(--night-muted-text);
}

:root[data-theme="mono-dark"] #page-settings .provider-card:hover,
:root[data-theme="mono-dark"] #page-settings .provider-card.selected,
:root[data-theme="mono-dark"] #composer-menu .menu-card:hover,
:root[data-theme="mono-dark"] #composer-menu .menu-select-card:hover {
  border-color: color-mix(in srgb, var(--text) 18%, var(--night-border));
  background: var(--night-control-hover) !important;
  color: var(--text);
}

:root[data-theme="mono-dark"] #model-list .item {
  padding: 14px 16px;
  border-color: var(--night-border-soft);
  background: var(--night-surface-raised);
}

:root[data-theme="mono-dark"] #model-list .item + .item {
  margin-top: 10px;
}

:root[data-theme="mono-dark"] #model-list .item-head {
  align-items: center;
}

:root[data-theme="mono-dark"] #model-list .item h3,
:root[data-theme="mono-dark"] #page-settings .panel-title h2 {
  color: var(--text);
}

:root[data-theme="mono-dark"] #model-list .item p {
  color: var(--night-muted-text);
}

:root[data-theme="mono-dark"] #model-list .actions {
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

:root[data-theme="mono-dark"] #model-list .actions button,
:root[data-theme="mono-dark"] #page-settings .button-row button,
:root[data-theme="mono-dark"] .document-row-actions button,
:root[data-theme="mono-dark"] .page-actions button,
:root[data-theme="mono-dark"] .chat-topbar .secondary-button,
:root[data-theme="mono-dark"] .chat-topbar .chat-topbar-actions button {
  min-height: 34px;
  border-radius: 8px;
  border-color: var(--night-border);
  background: var(--night-control);
  color: var(--night-soft-text);
}

:root[data-theme="mono-dark"] #model-list .actions button:hover,
:root[data-theme="mono-dark"] #page-settings .button-row button:hover,
:root[data-theme="mono-dark"] .document-row-actions button:hover,
:root[data-theme="mono-dark"] .page-actions button:hover,
:root[data-theme="mono-dark"] .chat-topbar .secondary-button:hover,
:root[data-theme="mono-dark"] .chat-topbar .chat-topbar-actions button:hover {
  border-color: color-mix(in srgb, var(--text) 16%, var(--night-border));
  background: var(--night-control-hover);
  color: var(--text);
}

:root[data-theme="mono-dark"] #model-list .actions button.danger,
:root[data-theme="mono-dark"] .document-row-actions .danger,
:root[data-theme="mono-dark"] .session-popover button.danger,
:root[data-theme="mono-dark"] .actions button.danger {
  border-color: color-mix(in srgb, var(--night-danger-text) 24%, var(--night-border));
  background: color-mix(in srgb, var(--night-danger-text) 8%, var(--night-control));
  color: var(--night-danger-text);
}

:root[data-theme="mono-dark"] #model-list .actions button.danger:hover,
:root[data-theme="mono-dark"] .document-row-actions .danger:hover,
:root[data-theme="mono-dark"] .session-popover button.danger:hover,
:root[data-theme="mono-dark"] .actions button.danger:hover {
  background: color-mix(in srgb, var(--night-danger-text) 12%, var(--night-control-hover));
  color: #f0b6b6;
}

:root[data-theme="mono-dark"] .badge,
:root[data-theme="mono-dark"] .badge.ok,
:root[data-theme="mono-dark"] .badge.warn,
:root[data-theme="mono-dark"] .badge.progress {
  border-color: var(--night-border);
  background: var(--night-control);
  color: var(--night-muted-text);
}

:root[data-theme="mono-dark"] .badge.ok {
  border-color: color-mix(in srgb, var(--night-success-text) 24%, var(--night-border));
  background: color-mix(in srgb, var(--night-success-text) 8%, var(--night-control));
  color: var(--night-success-text);
}

:root[data-theme="mono-dark"] .button-row button[type="submit"]:disabled,
:root[data-theme="mono-dark"] button.primary:disabled,
:root[data-theme="mono-dark"] .primary:disabled,
:root[data-theme="mono-dark"] button:disabled {
  border-color: var(--night-border-soft) !important;
  background: color-mix(in srgb, var(--night-control) 76%, #000) !important;
  color: #73736e !important;
  opacity: 1;
  cursor: not-allowed;
}

:root[data-theme="mono-dark"] .sidebar .sidebar-tool.active,
:root[data-theme="mono-dark"] .sidebar .nav-item.active,
:root[data-theme="mono-dark"] .sidebar .sidebar-list-item.active,
:root[data-theme="mono-dark"] body.sidebar-collapsed .sidebar-tool.active,
:root[data-theme="mono-dark"] #theme-toggle-btn[aria-pressed="true"] {
  border-color: rgba(242, 242, 237, 0.14) !important;
  background: rgba(255, 255, 255, 0.08) !important;
  color: var(--rail-text) !important;
  box-shadow: inset 0 0 0 1px rgba(242, 242, 237, 0.08) !important;
}

:root[data-theme="mono-dark"] .sidebar .nav-item.active .nav-icon,
:root[data-theme="mono-dark"] .sidebar .sidebar-tool.active .nav-icon,
:root[data-theme="mono-dark"] body.sidebar-collapsed .sidebar-tool.active .nav-icon,
:root[data-theme="mono-dark"] #theme-toggle-btn[aria-pressed="true"] .nav-icon {
  background: var(--inverse-bg) !important;
  color: var(--inverse-text) !important;
  box-shadow: none !important;
}

:root[data-theme="mono-dark"] .sidebar button:focus-visible,
:root[data-theme="mono-dark"] .sidebar a:focus-visible,
:root[data-theme="mono-dark"] input:focus-visible,
:root[data-theme="mono-dark"] textarea:focus-visible,
:root[data-theme="mono-dark"] select:focus-visible,
:root[data-theme="mono-dark"] button:focus-visible,
:root[data-theme="mono-dark"] [tabindex]:focus-visible {
  outline: 1px solid rgba(242, 242, 237, 0.64);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(242, 242, 237, 0.08);
}

/* Composer final polish: one calm input capsule, no browser-default textarea frame. */
#chat-form.composer {
  padding: 10px max(28px, calc((100% - 980px) / 2)) 18px !important;
  border-top: 1px solid color-mix(in srgb, var(--control-border) 68%, transparent) !important;
  background:
    linear-gradient(180deg, transparent 0%, color-mix(in srgb, var(--bg) 88%, transparent) 28%, var(--bg) 100%) !important;
}

#chat-form.composer .composer-shell {
  grid-template-columns: 44px minmax(0, 1fr) 46px !important;
  align-items: center !important;
  gap: 8px !important;
  min-height: 62px !important;
  padding: 8px !important;
  border: 1px solid color-mix(in srgb, var(--control-border) 86%, var(--panel-bg)) !important;
  border-radius: 18px !important;
  background: color-mix(in srgb, var(--panel-bg) 96%, var(--control-bg)) !important;
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.06),
    0 12px 34px rgba(0, 0, 0, 0.08) !important;
}

.composer-shell::before,
#chat-form.composer .composer-shell::before {
  display: none !important;
}

#chat-form.composer .composer-shell:focus-within {
  border-color: color-mix(in srgb, var(--text) 22%, var(--control-border)) !important;
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.06),
    0 14px 38px rgba(0, 0, 0, 0.10),
    0 0 0 4px color-mix(in srgb, var(--text) 6%, transparent) !important;
}

#chat-form.composer textarea,
#chat-form.composer textarea:focus,
#chat-form.composer textarea:focus-visible {
  min-height: 42px !important;
  max-height: 132px !important;
  padding: 9px 2px 7px !important;
  border: 0 !important;
  outline: 0 !important;
  background: transparent !important;
  color: var(--text) !important;
  box-shadow: none !important;
  caret-color: var(--text);
  font-size: 16px !important;
  line-height: 1.5 !important;
}

#chat-form.composer textarea::placeholder {
  color: color-mix(in srgb, var(--muted) 78%, var(--text)) !important;
}

#chat-form.composer .composer-plus {
  width: 44px !important;
  height: 44px !important;
  border: 0 !important;
  border-radius: 16px !important;
  background: var(--control-bg) !important;
  color: var(--text) !important;
  box-shadow: none !important;
  font-size: 27px !important;
}

#chat-form.composer .composer-plus:hover,
#chat-form.composer .composer-plus.active {
  background: var(--control-bg-hover) !important;
}

#chat-form.composer #chat-submit-btn.composer-send-button,
#chat-form.composer .composer-shell > button#chat-submit-btn[type="submit"] {
  width: 46px !important;
  min-width: 46px !important;
  max-width: 46px !important;
  height: 46px !important;
  min-height: 46px !important;
  border-radius: 16px !important;
  background: var(--inverse-bg) !important;
  color: var(--inverse-text) !important;
}

#chat-form.composer #chat-submit-btn.composer-send-button:hover {
  background: color-mix(in srgb, var(--inverse-bg) 88%, var(--text-soft)) !important;
  transform: translateY(-1px);
}

:root[data-theme="mono-dark"] #chat-form.composer {
  border-top-color: var(--night-border-soft) !important;
  background:
    linear-gradient(180deg, transparent 0%, color-mix(in srgb, var(--bg) 84%, transparent) 28%, var(--bg) 100%) !important;
}

:root[data-theme="mono-dark"] #chat-form.composer .composer-shell {
  border-color: var(--night-border) !important;
  background: color-mix(in srgb, var(--night-panel) 90%, #000) !important;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.03),
    0 16px 42px rgba(0, 0, 0, 0.34) !important;
}

:root[data-theme="mono-dark"] #chat-form.composer .composer-shell:focus-within {
  border-color: color-mix(in srgb, var(--night-text) 28%, var(--night-border)) !important;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.03),
    0 16px 42px rgba(0, 0, 0, 0.38),
    0 0 0 4px rgba(242, 242, 237, 0.08) !important;
}

:root[data-theme="mono-dark"] #chat-form.composer textarea,
:root[data-theme="mono-dark"] #chat-form.composer textarea:focus,
:root[data-theme="mono-dark"] #chat-form.composer textarea:focus-visible {
  outline: 0 !important;
  box-shadow: none !important;
}

/* ChatGPT-aligned shell pass: full sidebar, unframed chat canvas, centered empty composer. */
:root {
  --sidebar-width: 292px;
  --sidebar-collapsed-width: 72px;
}

.app-shell {
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr) !important;
  background: var(--panel-bg) !important;
}

body.sidebar-collapsed .app-shell {
  grid-template-columns: var(--sidebar-collapsed-width) minmax(0, 1fr) !important;
}

#page-chat .chat-layout {
  min-height: 100vh !important;
  padding: 0 !important;
  gap: 0 !important;
  background: var(--panel-bg) !important;
}

#page-chat .chat-panel {
  height: 100vh !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: var(--panel-bg) !important;
  box-shadow: none !important;
}

#page-chat.chat-empty .chat-panel {
  display: grid !important;
  grid-template-columns: minmax(24px, 1fr) minmax(0, 980px) minmax(24px, 1fr) !important;
  grid-template-rows: minmax(0, 1fr) auto 24px auto minmax(0, 1.08fr) !important;
  justify-content: stretch !important;
}

#page-chat.chat-empty .messages {
  grid-column: 2 !important;
  grid-row: 2 !important;
  flex: none !important;
  width: 100% !important;
  padding: 0 !important;
  justify-self: center !important;
}

#page-chat.chat-empty .welcome-card {
  width: 100% !important;
  margin: 0 auto 28px !important;
}

#page-chat.chat-empty #chat-form.composer {
  grid-column: 2 !important;
  grid-row: 4 !important;
  width: 100% !important;
  margin-inline: auto !important;
  justify-self: center !important;
}

#page-chat.chat-empty #chat-form.composer .composer-shell {
  min-height: 72px !important;
}

.sidebar {
  width: var(--sidebar-width) !important;
  padding: 14px 12px !important;
  gap: 10px !important;
  border-right: 1px solid #ececec !important;
  background: #f9f9f7 !important;
  box-shadow: none !important;
}

.sidebar::before {
  display: none !important;
}

.sidebar-brand {
  min-height: 48px !important;
  padding: 0 4px 6px !important;
  gap: 10px !important;
}

.sidebar .brand-mark {
  width: 32px !important;
  height: 32px !important;
  flex-basis: 32px !important;
  border: 0 !important;
  border-radius: 9px !important;
  background: #ffffff !important;
  color: #111111 !important;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08) !important;
  font-size: 14px !important;
}

.sidebar .brand-copy strong {
  color: #111111 !important;
  font-size: 18px !important;
  font-weight: 720 !important;
}

.sidebar .brand-copy span {
  display: none !important;
}

.sidebar .runtime-card {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  min-height: 26px !important;
  margin: 0 10px !important;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  color: #777777 !important;
  font-size: 11px !important;
}

.sidebar .runtime-card strong {
  color: #28795f !important;
  font-weight: 620 !important;
}

.sidebar.collapsed .runtime-card {
  display: none !important;
}

.sidebar #sidebar-toggle {
  width: 28px !important;
  height: 28px !important;
  margin-left: auto !important;
  border: 0 !important;
  border-radius: 8px !important;
  background: transparent !important;
  color: #676767 !important;
  box-shadow: none !important;
  font-size: 18px !important;
}

.sidebar #sidebar-toggle:hover {
  background: #eeeeec !important;
  color: #111111 !important;
}

.sidebar .new-chat-button,
.sidebar .sidebar-tool,
.sidebar .user-menu-button {
  width: 100% !important;
  min-height: 40px !important;
  height: auto !important;
  justify-content: flex-start !important;
  gap: 12px !important;
  padding: 8px 12px !important;
  border: 0 !important;
  border-radius: 10px !important;
  background: transparent !important;
  color: #111111 !important;
  box-shadow: none !important;
  font-size: 15px !important;
  font-weight: 520 !important;
}

.sidebar .new-chat-button:hover,
.sidebar .sidebar-tool:hover,
.sidebar .user-menu-button:hover,
.sidebar .sidebar-list-item:hover,
.sidebar .session-row.active .sidebar-list-item {
  background: #eeeeec !important;
  color: #111111 !important;
}

.sidebar .new-chat-button span,
.sidebar .nav-icon {
  width: 22px !important;
  height: 22px !important;
  flex: 0 0 22px !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  color: #111111 !important;
  box-shadow: none !important;
  font-size: 18px !important;
}

.sidebar .new-chat-button strong,
.sidebar .sidebar-tool span:not(.nav-icon) {
  display: inline !important;
  color: inherit !important;
  font-weight: inherit !important;
}

.chat-history-shell {
  min-height: 0 !important;
  padding-top: 8px !important;
}

.sidebar-search {
  margin: 0 0 8px !important;
}

.sidebar-search span,
.sidebar-heading-row .mini-link {
  display: none !important;
}

.sidebar-search input {
  min-height: 40px !important;
  padding-inline: 12px !important;
  border: 0 !important;
  border-radius: 10px !important;
  background: transparent !important;
  color: #111111 !important;
  box-shadow: none !important;
  font-size: 15px !important;
}

.sidebar-search input:hover,
.sidebar-search input:focus {
  background: #eeeeec !important;
}

.sidebar-heading-row {
  padding: 14px 8px 6px !important;
}

.sidebar-heading {
  color: #6f6f6f !important;
  font-size: 13px !important;
  font-weight: 700 !important;
}

.history-group-title {
  padding: 12px 8px 6px !important;
  color: #6f6f6f !important;
  font-size: 13px !important;
  font-weight: 700 !important;
}

.session-row {
  border-radius: 10px !important;
}

.session-row.switching {
  background: #eeeeec !important;
}

.session-row.switching .sidebar-list-item {
  cursor: wait !important;
  opacity: 0.72 !important;
}

.session-row.switching .session-run-status i {
  border-color: #0f766e !important;
  border-top-color: transparent !important;
  background: transparent !important;
  animation: session-refresh-spin 0.8s linear infinite !important;
}

.sidebar-list-item {
  min-height: 40px !important;
  padding: 8px 12px !important;
  border: 0 !important;
  border-radius: 10px !important;
  background: transparent !important;
  box-shadow: none !important;
  align-items: stretch !important;
  flex-direction: column !important;
  gap: 5px !important;
}

.sidebar-list-item .session-title {
  display: block !important;
  max-width: 100% !important;
  overflow: hidden !important;
  color: #111111 !important;
  font-size: 15px !important;
  font-weight: 450 !important;
  line-height: 1.35 !important;
  text-overflow: ellipsis !important;
  white-space: nowrap !important;
}

.session-title-row {
  display: flex !important;
  min-width: 0 !important;
  align-items: baseline !important;
  justify-content: space-between !important;
  gap: 10px !important;
}

.session-title-row .session-title {
  min-width: 0 !important;
}

.session-pin-mark {
  margin-right: 6px !important;
  color: #777772 !important;
  font-size: 9px !important;
  vertical-align: 2px !important;
}

.session-title-row time {
  flex: 0 0 auto !important;
  color: #8a8a85 !important;
  font-size: 12px !important;
  font-variant-numeric: tabular-nums !important;
  font-weight: 450 !important;
}

.sidebar-list-item small {
  display: none !important;
}

.session-run-summary {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) auto !important;
  gap: 4px 8px !important;
  color: #73736f !important;
  font-size: 12px !important;
  line-height: 1.3 !important;
}

.session-run-status,
.session-run-meta {
  display: inline-flex !important;
  min-width: 0 !important;
  align-items: center !important;
  white-space: nowrap !important;
}

.session-run-status {
  overflow: hidden !important;
  gap: 6px !important;
  color: #555552 !important;
  font-weight: 600 !important;
  text-overflow: ellipsis !important;
}

.session-run-status i {
  width: 7px !important;
  height: 7px !important;
  flex: 0 0 7px !important;
  border: 1px solid currentColor !important;
  border-radius: 999px !important;
  background: transparent !important;
}

.session-row.running .session-run-status i,
.session-row.planning .session-run-status i {
  border-color: #0f766e !important;
  background: #0f766e !important;
  animation: session-status-pulse 1.5s ease-in-out infinite !important;
}

.session-row.waiting_approval .session-run-status,
.session-row.failed .session-run-status,
.session-row.interrupted .session-run-status {
  color: #9a3412 !important;
}

.session-row.completed .session-run-status i {
  border-color: #0f766e !important;
  background: #0f766e !important;
}

.session-run-meta {
  color: #858580 !important;
  font-variant-numeric: tabular-nums !important;
}

.session-run-progress {
  position: relative !important;
  display: block !important;
  grid-column: 1 / -1 !important;
  width: 100% !important;
  height: 2px !important;
  overflow: hidden !important;
  border-radius: 999px !important;
  background: #deded9 !important;
}

.session-run-progress > span {
  display: block !important;
  height: 100% !important;
  border-radius: inherit !important;
  background: #73736f !important;
}

.session-run-progress.indeterminate > span {
  width: 34% !important;
  animation: session-progress-indeterminate 1.4s ease-in-out infinite !important;
}

.session-row.running .session-run-progress > span,
.session-row.planning .session-run-progress > span,
.session-row.completed .session-run-progress > span {
  background: #0f766e !important;
}

@keyframes session-status-pulse {
  0%, 100% { opacity: 0.45; }
  50% { opacity: 1; }
}

@keyframes session-progress-indeterminate {
  0% { transform: translateX(-120%); }
  100% { transform: translateX(330%); }
}

.session-list-skeleton {
  display: grid !important;
  gap: 8px !important;
  padding: 8px 4px !important;
}

.session-list-skeleton > span {
  height: 54px !important;
  border-radius: 10px !important;
  background: #eeeeeb !important;
  animation: session-skeleton-pulse 1.3s ease-in-out infinite !important;
}

@keyframes session-skeleton-pulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

.session-list-feedback {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 12px !important;
  padding: 10px 12px !important;
  color: #6f6f6f !important;
  font-size: 14px !important;
}

.session-list-feedback button {
  padding: 0 !important;
  background: transparent !important;
  color: #111111 !important;
  font-weight: 650 !important;
}

.sidebar-refresh-button.loading svg {
  animation: session-refresh-spin 0.9s linear infinite !important;
}

@keyframes session-refresh-spin {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .session-row.running .session-run-status i,
  .session-row.planning .session-run-status i {
    animation: none !important;
  }

  .session-run-progress.indeterminate > span,
  .session-list-skeleton > span,
  .sidebar-refresh-button.loading svg {
    animation: none !important;
  }

  .session-row.switching .session-run-status i {
    animation: none !important;
  }
}

.session-switch-state {
  position: sticky;
  z-index: 8;
  top: 0;
  display: flex;
  width: fit-content;
  max-width: min(100%, 720px);
  min-height: 42px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 0 auto 16px;
  padding: 10px 14px;
  border: 1px solid #d8d8d2;
  border-radius: 12px;
  background: color-mix(in srgb, #ffffff 94%, transparent);
  box-shadow: 0 8px 24px rgba(17, 17, 17, 0.08);
  color: #333330;
  font-size: 14px;
  font-weight: 600;
}

.session-switch-state.error {
  color: #9a3412;
}

.session-switch-state button {
  flex: 0 0 auto;
  padding: 3px 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: 750;
}

.messages.session-switching > :not(.session-switch-state) {
  opacity: 0.58;
}

:root[data-theme="mono-dark"] .session-switch-state {
  border-color: #3a3a37;
  background: color-mix(in srgb, #171715 94%, transparent);
  color: #ededeb;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.28);
}

:root[data-theme="mono-dark"] .session-switch-state.error {
  color: #f6a27e;
}

@media (max-width: 760px) {
  .session-switch-state {
    width: 100%;
    margin-bottom: 12px;
  }
}

.session-rename-input {
  width: 100% !important;
  min-height: 40px !important;
  padding: 8px 12px !important;
  border: 1px solid #d7d7d2 !important;
  border-radius: 10px !important;
  outline: none !important;
  background: #ffffff !important;
  color: #111111 !important;
  font: inherit !important;
  font-size: 15px !important;
  font-weight: 450 !important;
  box-shadow: 0 0 0 2px rgba(16, 163, 127, 0.12) !important;
}

.session-rename-input:disabled {
  opacity: 0.72 !important;
}

.sidebar-bottom-tools {
  margin-top: auto !important;
  padding-top: 10px !important;
  border-top: 0 !important;
  gap: 2px !important;
}

.sidebar .empty-state {
  margin: 8px 0 0 !important;
  padding: 8px 12px !important;
  border: 0 !important;
  background: transparent !important;
  color: #8a8a8a !important;
  font-size: 14px !important;
}

.user-menu {
  margin-top: 6px !important;
  padding-top: 0 !important;
  border-top: 0 !important;
}

.sidebar .user-avatar {
  width: 28px !important;
  height: 28px !important;
  flex-basis: 28px !important;
  border-radius: 999px !important;
  background: #dedede !important;
  color: #111111 !important;
  font-size: 12px !important;
}

.sidebar .user-menu-button strong {
  color: #111111 !important;
  font-size: 14px !important;
  font-weight: 620 !important;
}

.sidebar .user-menu-button small {
  color: #6f6f6f !important;
  font-size: 12px !important;
}

body.sidebar-collapsed .sidebar {
  width: var(--sidebar-collapsed-width) !important;
  padding: 14px 8px !important;
  align-items: center !important;
}

body.sidebar-collapsed .sidebar .brand-copy,
body.sidebar-collapsed .chat-history-shell,
body.sidebar-collapsed .sidebar-tool span:not(.nav-icon),
body.sidebar-collapsed .new-chat-button strong,
body.sidebar-collapsed .user-menu-button span:not(.user-avatar) {
  display: none !important;
}

body.sidebar-collapsed .sidebar .new-chat-button,
body.sidebar-collapsed .sidebar .sidebar-tool,
body.sidebar-collapsed .sidebar .user-menu-button {
  width: 44px !important;
  height: 44px !important;
  min-height: 44px !important;
  justify-content: center !important;
  padding: 0 !important;
}

:root[data-theme="mono-dark"] .sidebar {
  border-right-color: #242424 !important;
  background: #0f0f0f !important;
}

:root[data-theme="mono-dark"] .sidebar .brand-mark,
:root[data-theme="mono-dark"] .sidebar .user-avatar {
  background: #202020 !important;
  color: #f5f5f5 !important;
}

:root[data-theme="mono-dark"] .sidebar .brand-copy strong,
:root[data-theme="mono-dark"] .sidebar .new-chat-button,
:root[data-theme="mono-dark"] .sidebar .sidebar-tool,
:root[data-theme="mono-dark"] .sidebar .user-menu-button,
:root[data-theme="mono-dark"] .sidebar .sidebar-list-item .session-title,
:root[data-theme="mono-dark"] .sidebar .new-chat-button span,
:root[data-theme="mono-dark"] .sidebar .nav-icon {
  color: #f5f5f5 !important;
}

:root[data-theme="mono-dark"] .sidebar .new-chat-button:hover,
:root[data-theme="mono-dark"] .sidebar .sidebar-tool:hover,
:root[data-theme="mono-dark"] .sidebar .user-menu-button:hover,
:root[data-theme="mono-dark"] .sidebar .sidebar-list-item:hover,
:root[data-theme="mono-dark"] .sidebar .session-row.active .sidebar-list-item,
:root[data-theme="mono-dark"] .sidebar-search input:hover,
:root[data-theme="mono-dark"] .sidebar-search input:focus {
  background: #202020 !important;
}

:root[data-theme="mono-dark"] .sidebar-heading,
:root[data-theme="mono-dark"] .history-group-title,
:root[data-theme="mono-dark"] .sidebar .user-menu-button small,
:root[data-theme="mono-dark"] .sidebar-search input {
  color: #a8a8a8 !important;
}

:root[data-theme="mono-dark"] .session-run-summary,
:root[data-theme="mono-dark"] .session-run-meta {
  color: #92928d !important;
}

:root[data-theme="mono-dark"] .session-run-status {
  color: #c5c5bf !important;
}

:root[data-theme="mono-dark"] .session-run-progress {
  background: #333330 !important;
}

:root[data-theme="mono-dark"] .session-title-row time,
:root[data-theme="mono-dark"] .session-list-feedback {
  color: #92928d !important;
}

:root[data-theme="mono-dark"] .session-list-skeleton > span {
  background: #2a2a2a !important;
}

:root[data-theme="mono-dark"] .session-list-feedback button {
  color: #f5f5f5 !important;
}

/* Chat hero cleanup: remove the demo-like billboard welcome state. */
#page-chat .chat-panel {
  overflow: hidden;
}

#page-chat .chat-topbar {
  min-height: 74px !important;
  padding: 18px 24px !important;
  align-items: center !important;
  border-bottom: 1px solid color-mix(in srgb, var(--control-border) 74%, transparent) !important;
  background: color-mix(in srgb, var(--panel-bg) 96%, var(--bg)) !important;
}

#page-chat .chat-topbar .eyebrow,
#page-chat .chat-topbar p {
  display: none !important;
}

#page-chat .chat-topbar h1 {
  margin: 0 !important;
  color: var(--text) !important;
  font-size: 24px !important;
  font-weight: 760 !important;
  line-height: 1.15 !important;
  letter-spacing: 0 !important;
}

#page-chat .chat-session-heading {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 10px;
}

#page-chat .chat-session-heading h1 {
  max-width: min(58vw, 680px);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#page-chat .chat-session-switching {
  flex: 0 0 auto;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
}

#page-chat .chat-topbar .topbar-actions,
#page-chat .chat-topbar .chat-topbar-actions {
  align-items: center !important;
  gap: 8px !important;
}

#page-chat .chat-topbar .secondary-button,
#page-chat .chat-topbar .chat-topbar-actions button {
  min-height: 38px !important;
  padding: 0 14px !important;
  border-radius: 10px !important;
  font-size: 14px !important;
  font-weight: 650 !important;
}

#page-chat .chat-run-toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
}

#page-chat .chat-workspace-toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  max-width: min(240px, 24vw);
  color: var(--muted) !important;
}

#page-chat .chat-workspace-toggle svg {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

#page-chat .chat-workspace-toggle span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#page-chat .chat-workspace-toggle.is-ready {
  color: var(--text) !important;
}

#page-chat .chat-workspace-toggle.is-behind {
  color: var(--warning) !important;
}

#page-chat .chat-workspace-toggle.is-conflict {
  color: var(--danger) !important;
}

#page-chat .chat-run-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--muted);
}

#page-chat .chat-run-toggle.is-running .chat-run-dot {
  background: #d97757;
}

#page-chat .chat-run-toggle.is-waiting .chat-run-dot {
  background: var(--warning);
}

#page-chat .chat-run-toggle.is-completed .chat-run-dot {
  background: var(--success);
}

#page-chat .chat-run-toggle.is-failed .chat-run-dot {
  background: var(--danger);
}

#page-chat .chat-run-toggle.is-running,
#page-chat .chat-run-toggle.is-waiting,
#page-chat .chat-run-toggle.is-completed,
#page-chat .chat-run-toggle.is-failed {
  background: var(--surface-muted) !important;
}

#page-chat .chat-run-progress {
  padding-inline-start: 7px;
  border-inline-start: 1px solid var(--control-border);
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  font-weight: 560;
}

#page-chat #refresh-btn {
  width: 38px;
  padding: 0 !important;
}

#page-chat #refresh-btn svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

#page-chat .messages {
  display: flex !important;
  flex-direction: column !important;
  min-height: 0 !important;
  padding: 24px !important;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--panel-bg) 98%, var(--bg)) 0%, var(--panel-bg) 100%) !important;
}

#page-chat .welcome-card {
  width: min(720px, calc(100% - 32px)) !important;
  margin: auto auto clamp(54px, 9vh, 96px) !important;
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  text-align: center !important;
}

#page-chat .welcome-orb {
  display: none !important;
}

#page-chat .welcome-card h2 {
  margin: 0 !important;
  color: var(--text) !important;
  font-family: "Segoe UI", "Microsoft YaHei UI", "Microsoft YaHei", system-ui, -apple-system, sans-serif !important;
  font-size: clamp(28px, 2.25vw, 36px) !important;
  font-weight: 400 !important;
  line-height: 1.2 !important;
  letter-spacing: 0 !important;
}

#page-chat .welcome-card p {
  display: none !important;
}

:root[data-theme="mono-dark"] #page-chat .chat-topbar {
  border-bottom-color: var(--night-border) !important;
  background: color-mix(in srgb, var(--night-panel) 92%, #000) !important;
}

:root[data-theme="mono-dark"] #page-chat .messages {
  background: var(--night-panel) !important;
}

#page-chat.chat-empty .chat-panel {
  justify-content: center !important;
}

#page-chat.chat-empty .chat-topbar,
#page-chat.chat-empty .context-toolbar,
#page-chat.chat-empty .tool-strip {
  height: 0 !important;
  min-height: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  opacity: 0 !important;
  overflow: hidden !important;
  pointer-events: none !important;
}

#page-chat.chat-empty .messages {
  flex: 0 0 auto !important;
  overflow: visible !important;
  padding: 0 24px 32px !important;
  background: transparent !important;
}

#page-chat.chat-empty .welcome-card {
  width: min(760px, calc(100% - 48px)) !important;
  margin: 0 auto !important;
}

#page-chat.chat-empty #chat-form.composer {
  position: static !important;
  width: min(1060px, calc(100% - 96px)) !important;
  margin: 0 auto !important;
  padding: 0 !important;
  border-top: 0 !important;
  background: transparent !important;
}

#page-chat.chat-empty #chat-form.composer .composer-shell {
  min-height: 74px !important;
  border-radius: 28px !important;
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.08),
    0 20px 56px rgba(0, 0, 0, 0.10) !important;
}

:root[data-theme="mono-dark"] #page-chat.chat-empty #chat-form.composer {
  background: transparent !important;
}

@media (max-width: 760px) {
  #page-chat .chat-topbar {
    min-height: 64px !important;
    padding: 14px 16px !important;
  }

  #page-chat .chat-topbar h1 {
    font-size: 21px !important;
  }

  #page-chat .chat-session-heading h1 {
    max-width: 48vw;
  }

  #page-chat .chat-run-progress {
    display: none;
  }

  #page-chat .welcome-card {
    width: 100% !important;
    margin-bottom: 0 !important;
  }

  #page-chat .welcome-card h2 {
    font-size: 28px !important;
  }

  #page-chat.chat-empty .messages {
    grid-column: 1 / -1 !important;
    padding: 0 16px 24px !important;
  }

  #page-chat.chat-empty #chat-form.composer {
    grid-column: 1 / -1 !important;
    width: calc(100% - 28px) !important;
  }

  #page-chat.chat-empty #chat-form.composer .composer-shell {
    min-height: 64px !important;
  }
}

/* Final alignment override: title and composer share one centered column. */
#page-chat.chat-empty .chat-panel {
  display: grid !important;
  grid-template-columns: minmax(32px, 1fr) minmax(0, 1040px) minmax(32px, 1fr) !important;
  grid-template-rows: minmax(0, 1fr) auto 26px auto minmax(0, 1.16fr) !important;
  align-items: stretch !important;
  justify-items: stretch !important;
}

#page-chat.chat-empty .messages {
  grid-column: 2 !important;
  grid-row: 2 !important;
  width: 100% !important;
  padding: 0 !important;
  justify-self: stretch !important;
  background: transparent !important;
}

#page-chat.chat-empty .welcome-card {
  width: 100% !important;
  margin: 0 !important;
  text-align: center !important;
}

#page-chat.chat-empty .welcome-card h2 {
  width: 100% !important;
  text-align: center !important;
}

#page-chat.chat-empty #chat-form.composer {
  grid-column: 2 !important;
  grid-row: 4 !important;
  width: 100% !important;
  max-width: none !important;
  margin: 0 !important;
  padding: 0 !important;
  justify-self: stretch !important;
  border-top: 0 !important;
  background: transparent !important;
}

#page-chat.chat-empty #chat-form.composer .composer-shell {
  width: 100% !important;
  min-height: 72px !important;
}

.sidebar-bottom-tools .theme-toggle {
  width: 40px !important;
  height: 40px !important;
  min-height: 40px !important;
  align-self: flex-start !important;
  display: grid !important;
  place-items: center !important;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 10px !important;
  background: transparent !important;
  color: #111111 !important;
  box-shadow: none !important;
  font-size: 19px !important;
}

.sidebar-bottom-tools .theme-toggle:hover {
  background: #eeeeec !important;
}

.sidebar-bottom-tools .theme-toggle span {
  display: block !important;
  line-height: 1 !important;
}

:root[data-theme="mono-dark"] .sidebar-bottom-tools .theme-toggle {
  color: #f5f5f5 !important;
}

:root[data-theme="mono-dark"] .sidebar-bottom-tools .theme-toggle:hover {
  background: #202020 !important;
}

@media (max-width: 760px) {
  #page-chat.chat-empty .chat-panel {
    grid-template-columns: minmax(14px, 1fr) minmax(0, 1fr) minmax(14px, 1fr) !important;
  }
}

/* Chat theme control: keep the mode switch on the conversation surface. */
#page-chat .chat-panel {
  position: relative !important;
}

#page-chat .chat-theme-toggle,
#page-chat #theme-toggle-btn.chat-theme-toggle,
#page-chat #theme-toggle-btn.chat-theme-toggle[aria-pressed="true"] {
  position: absolute !important;
  top: 18px !important;
  right: 22px !important;
  z-index: 30 !important;
  width: 38px !important;
  height: 38px !important;
  min-width: 38px !important;
  min-height: 38px !important;
  display: grid !important;
  place-items: center !important;
  padding: 0 !important;
  border: 1px solid rgba(0, 0, 0, 0.1) !important;
  border-radius: 999px !important;
  background: rgba(255, 255, 255, 0.88) !important;
  color: #171717 !important;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06) !important;
}

#page-chat .chat-theme-toggle:hover {
  background: #f3f3f1 !important;
  border-color: rgba(0, 0, 0, 0.16) !important;
}

#page-chat .chat-theme-toggle svg {
  width: 18px !important;
  height: 18px !important;
  fill: none !important;
  stroke: currentColor !important;
  stroke-width: 1.9 !important;
  stroke-linecap: round !important;
  stroke-linejoin: round !important;
}

#page-chat .chat-topbar .topbar-actions,
#page-chat .chat-topbar .chat-topbar-actions {
  padding-right: 52px !important;
}

:root[data-theme="mono-dark"] #page-chat .chat-theme-toggle,
:root[data-theme="mono-dark"] #page-chat #theme-toggle-btn.chat-theme-toggle,
:root[data-theme="mono-dark"] #page-chat #theme-toggle-btn.chat-theme-toggle[aria-pressed="true"] {
  border-color: rgba(255, 255, 255, 0.12) !important;
  background: rgba(28, 28, 28, 0.88) !important;
  color: #f4f4f1 !important;
  box-shadow: none !important;
}

:root[data-theme="mono-dark"] #page-chat .chat-theme-toggle:hover {
  background: rgba(255, 255, 255, 0.08) !important;
  border-color: rgba(255, 255, 255, 0.2) !important;
}

@media (max-width: 760px) {
  #page-chat .chat-theme-toggle,
  #page-chat #theme-toggle-btn.chat-theme-toggle,
  #page-chat #theme-toggle-btn.chat-theme-toggle[aria-pressed="true"] {
    top: 12px !important;
    right: 12px !important;
    width: 36px !important;
    height: 36px !important;
    min-width: 36px !important;
    min-height: 36px !important;
  }

  #page-chat .chat-topbar .topbar-actions,
  #page-chat .chat-topbar .chat-topbar-actions {
    padding-right: 44px !important;
  }
}

/* ChatGPT-like session action menu: floated outside the scroll list. */
.session-row .session-popover:not(.session-popover-floating) {
  display: none !important;
}

.session-row.menu-open {
  background: #eeeeec !important;
}

.session-row.menu-open .session-menu-button {
  background: #ffffff !important;
  color: #111111 !important;
}

.session-popover-floating,
.session-popover.session-popover-floating {
  position: fixed !important;
  z-index: 120 !important;
  width: 214px !important;
  max-height: none !important;
  display: grid !important;
  gap: 2px !important;
  overflow: visible !important;
  padding: 8px !important;
  border: 1px solid rgba(0, 0, 0, 0.1) !important;
  border-radius: 16px !important;
  background: #ffffff !important;
  color: #111111 !important;
  box-shadow:
    0 18px 48px rgba(0, 0, 0, 0.14),
    0 4px 12px rgba(0, 0, 0, 0.08) !important;
}

.session-menu-group {
  display: grid !important;
  gap: 2px !important;
}

.session-menu-divider {
  height: 1px !important;
  margin: 5px 8px !important;
  background: #e7e7e4 !important;
}

.session-menu-item,
.session-popover-floating .session-menu-item {
  width: 100% !important;
  height: 42px !important;
  display: grid !important;
  grid-template-columns: 24px minmax(0, 1fr) !important;
  align-items: center !important;
  gap: 12px !important;
  padding: 0 12px !important;
  border: 0 !important;
  border-radius: 10px !important;
  background: transparent !important;
  color: #171717 !important;
  box-shadow: none !important;
  font-size: 15px !important;
  font-weight: 450 !important;
  line-height: 1 !important;
  text-align: left !important;
}

.session-menu-item:hover,
.session-popover-floating .session-menu-item:hover {
  background: #f2f2f0 !important;
  color: #111111 !important;
}

.session-menu-icon {
  width: 24px !important;
  height: 24px !important;
  display: grid !important;
  place-items: center !important;
  color: currentColor !important;
}

.session-menu-icon svg {
  width: 22px !important;
  height: 22px !important;
  fill: none !important;
  stroke: currentColor !important;
  stroke-width: 1.9 !important;
  stroke-linecap: round !important;
  stroke-linejoin: round !important;
}

.session-menu-item.danger,
.session-popover-floating .session-menu-item.danger {
  color: #d72f2f !important;
}

.session-menu-item.danger:hover,
.session-popover-floating .session-menu-item.danger:hover {
  background: #fff0f0 !important;
  color: #c92323 !important;
}

:root[data-theme="mono-dark"] .session-row.menu-open {
  background: #202020 !important;
}

:root[data-theme="mono-dark"] .session-row.menu-open .session-menu-button {
  background: #2a2a2a !important;
  color: #f5f5f5 !important;
}

:root[data-theme="mono-dark"] .session-popover-floating,
:root[data-theme="mono-dark"] .session-popover.session-popover-floating {
  border-color: rgba(255, 255, 255, 0.12) !important;
  background: #232323 !important;
  color: #f5f5f5 !important;
  box-shadow:
    0 18px 48px rgba(0, 0, 0, 0.42),
    0 4px 12px rgba(0, 0, 0, 0.28) !important;
}

:root[data-theme="mono-dark"] .session-menu-divider {
  background: rgba(255, 255, 255, 0.1) !important;
}

:root[data-theme="mono-dark"] .session-menu-item,
:root[data-theme="mono-dark"] .session-popover-floating .session-menu-item {
  color: #f2f2ef !important;
}

:root[data-theme="mono-dark"] .session-menu-item:hover,
:root[data-theme="mono-dark"] .session-popover-floating .session-menu-item:hover {
  background: rgba(255, 255, 255, 0.08) !important;
  color: #ffffff !important;
}

:root[data-theme="mono-dark"] .session-menu-item.danger,
:root[data-theme="mono-dark"] .session-popover-floating .session-menu-item.danger {
  color: #ff8f8f !important;
}

:root[data-theme="mono-dark"] .session-menu-item.danger:hover,
:root[data-theme="mono-dark"] .session-popover-floating .session-menu-item.danger:hover {
  background: rgba(255, 91, 91, 0.12) !important;
  color: #ffb1b1 !important;
}

:root[data-theme="mono-dark"] .session-scope-tabs {
  background: #202020;
}

:root[data-theme="mono-dark"] .session-scope-tabs button {
  color: #a8a8a3;
}

:root[data-theme="mono-dark"] .session-scope-tabs button:hover {
  color: #f5f5f2;
}

:root[data-theme="mono-dark"] .session-scope-tabs button.active {
  background: #30302f;
  color: #ffffff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.45);
}

/* Brand mark and empty-chat composition polish. */
.brand-mark {
  display: grid !important;
  place-items: center !important;
  overflow: hidden !important;
  background: transparent !important;
  box-shadow: none !important;
}

.sidebar .brand-mark {
  width: 34px !important;
  height: 34px !important;
  flex: 0 0 34px !important;
  border-radius: 11px !important;
}

.auth-brand .brand-mark {
  width: 48px !important;
  height: 48px !important;
  flex: 0 0 48px !important;
  border-radius: 14px !important;
}

.knowflow-logo {
  width: 100% !important;
  height: 100% !important;
  display: block !important;
  transform: scale(1.08) !important;
}

.knowflow-logo-frame {
  fill: #ffffff !important;
  stroke: rgba(0, 0, 0, 0.1) !important;
  stroke-width: 1.2 !important;
}

.knowflow-logo-lens,
.knowflow-logo-flow {
  fill: none !important;
  stroke-linecap: round !important;
  stroke-linejoin: round !important;
}

.knowflow-logo-lens {
  stroke: #111111 !important;
  stroke-width: 2.4 !important;
}

.knowflow-logo-flow {
  stroke: #10a37f !important;
  stroke-width: 2.2 !important;
}

.knowflow-logo-node {
  fill: #10a37f !important;
  stroke: #ffffff !important;
  stroke-width: 1.5 !important;
}

.knowflow-logo-core {
  fill: #111111 !important;
}

:root[data-theme="mono-dark"] .knowflow-logo-frame {
  fill: #1f1f1f !important;
  stroke: rgba(255, 255, 255, 0.14) !important;
}

:root[data-theme="mono-dark"] .knowflow-logo-lens {
  stroke: #f5f5f5 !important;
}

:root[data-theme="mono-dark"] .knowflow-logo-core {
  fill: #f5f5f5 !important;
}

:root[data-theme="mono-dark"] .knowflow-logo-node {
  stroke: #1f1f1f !important;
}

#page-chat.chat-empty .chat-panel {
  grid-template-columns: minmax(48px, 1fr) minmax(0, 920px) minmax(48px, 1fr) !important;
  grid-template-rows: minmax(0, 1.02fr) auto 28px auto minmax(0, 1.36fr) !important;
}

#page-chat.chat-empty .messages {
  width: 100% !important;
  display: grid !important;
  justify-items: center !important;
  padding: 0 !important;
}

#page-chat.chat-empty .welcome-card {
  width: 100% !important;
  max-width: 920px !important;
}

#page-chat.chat-empty .welcome-card h2 {
  font-size: clamp(34px, 2.7vw, 44px) !important;
  font-weight: 450 !important;
  line-height: 1.12 !important;
}

#page-chat.chat-empty #chat-form.composer {
  width: 100% !important;
  max-width: 920px !important;
}

#page-chat.chat-empty #chat-form.composer .composer-shell {
  min-height: 70px !important;
  border-radius: 26px !important;
}

@media (max-width: 760px) {
  #page-chat.chat-empty .chat-panel {
    grid-template-columns: 16px minmax(0, 1fr) 16px !important;
    grid-template-rows: minmax(0, 0.9fr) auto 20px auto minmax(0, 1.2fr) !important;
  }

  #page-chat.chat-empty .welcome-card h2 {
    font-size: 30px !important;
  }
}

@media (min-width: 761px) {
  #page-chat.chat-empty .welcome-card h2 {
    transform: translateX(calc(var(--sidebar-width) / 2)) !important;
  }
}

/* Sidebar icon refinement pass */
.sidebar-tool .nav-icon {
  width: 22px !important;
  height: 22px !important;
  min-width: 22px !important;
  display: inline-grid !important;
  place-items: center !important;
  color: currentColor !important;
  font-size: 0 !important;
}

.sidebar-tool .nav-icon svg {
  width: 18px !important;
  height: 18px !important;
  display: block !important;
  fill: none !important;
  stroke: currentColor !important;
  stroke-width: 1.8 !important;
  stroke-linecap: round !important;
  stroke-linejoin: round !important;
}

.sidebar-tool {
  font-size: 14px !important;
  font-weight: 520 !important;
  letter-spacing: 0 !important;
}

.rag-quality-card {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface) 92%, var(--accent) 8%);
}

.rag-quality-card strong {
  font-size: 14px;
}

.rag-quality-card p,
.rag-quality-card small {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.quality-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
}

.quality-metric {
  min-width: 0;
  padding: 7px 8px;
  border: 1px solid color-mix(in srgb, var(--line) 76%, transparent);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface) 92%, #fff 8%);
}

.quality-metric strong,
.quality-metric small {
  display: block;
}

.quality-metric strong {
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.quality-metric small {
  overflow: hidden;
  color: var(--muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.quality-level {
  width: fit-content;
  padding: 3px 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.quality-level.weak,
.quality-level.no_match {
  background: rgba(180, 83, 9, 0.12);
  color: #b45309;
}


.app-fatal-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px;
  background: var(--bg);
  color: var(--text);
}

.app-fatal-card {
  width: min(520px, 100%);
  display: grid;
  gap: 14px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.app-fatal-card h1 {
  margin: 0;
  font-size: 22px;
  line-height: 1.25;
}

.app-fatal-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

.app-fatal-card button {
  justify-self: start;
  min-height: 44px;
  margin-top: 4px;
  padding: 0 16px;
  border-radius: 10px;
  background: var(--primary);
  color: #ffffff;
  font-weight: 700;
}
/* Auth surface final polish: quiet product login, no placeholder controls. */
.auth-screen {
  background:
    linear-gradient(135deg, rgba(232, 236, 243, 0.86), rgba(247, 248, 250, 0.96) 42%, rgba(240, 244, 247, 0.9)),
    #f5f6f7 !important;
}

.auth-card {
  width: min(432px, calc(100vw - 40px)) !important;
  gap: 16px !important;
  padding: 28px !important;
  border-radius: 22px !important;
  border-color: rgba(17, 24, 39, 0.12) !important;
  background: rgba(255, 255, 255, 0.88) !important;
  box-shadow: 0 18px 54px rgba(17, 24, 39, 0.11) !important;
  backdrop-filter: blur(14px) !important;
}

.auth-brand {
  align-items: center !important;
  gap: 12px !important;
}

.auth-brand .eyebrow {
  margin-bottom: 5px !important;
  color: #0f172a !important;
  font-size: 10px !important;
  letter-spacing: 0.12em !important;
}

.auth-brand h1 {
  margin: 0 !important;
  font-size: 28px !important;
  font-weight: 680 !important;
  line-height: 1.16 !important;
}

.auth-tabs {
  height: 48px !important;
  padding: 4px !important;
  border-radius: 15px !important;
  background: rgba(244, 244, 242, 0.92) !important;
}

.auth-tabs button {
  min-height: 38px !important;
  border-radius: 12px !important;
  font-weight: 620 !important;
}

.auth-tabs button.active {
  box-shadow: 0 7px 20px rgba(17, 24, 39, 0.08) !important;
}

.auth-form {
  gap: 12px !important;
}

.auth-form label {
  color: #1f2937 !important;
  font-size: 13px !important;
  font-weight: 520 !important;
}

.auth-form input {
  height: 40px !important;
  border-radius: 8px !important;
  background: rgba(255, 255, 255, 0.72) !important;
}

.auth-form button[type="submit"],
.auth-provider-button {
  min-height: 44px !important;
  border-radius: 9px !important;
  font-weight: 680 !important;
}

.auth-form button[type="submit"] {
  background: #171717 !important;
}

.auth-provider-button {
  gap: 9px !important;
  border-color: rgba(17, 24, 39, 0.14) !important;
  background: rgba(255, 255, 255, 0.74) !important;
}

.auth-provider-button:hover:not(:disabled) {
  background: #f4f4f2 !important;
}

.auth-provider-button strong {
  font-weight: 680 !important;
}

.auth-github-mark {
  width: 22px !important;
  height: 22px !important;
  display: grid !important;
  place-items: center !important;
  background: transparent !important;
  color: currentColor !important;
}

.auth-github-mark svg {
  width: 20px !important;
  height: 20px !important;
  display: block !important;
  fill: currentColor !important;
}

.auth-provider-button.unavailable .auth-github-mark {
  color: #6b7280 !important;
}

:root[data-theme="mono-dark"] .auth-screen {
  background:
    linear-gradient(135deg, #101010, #171717 46%, #0d0d0d) !important;
}

:root[data-theme="mono-dark"] .auth-card {
  border-color: rgba(255, 255, 255, 0.12) !important;
  background: rgba(31, 31, 31, 0.88) !important;
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.32) !important;
}

:root[data-theme="mono-dark"] .auth-brand .eyebrow,
:root[data-theme="mono-dark"] .auth-brand h1,
:root[data-theme="mono-dark"] .auth-form label {
  color: #f5f5f5 !important;
}

:root[data-theme="mono-dark"] .auth-tabs,
:root[data-theme="mono-dark"] .auth-form input,
:root[data-theme="mono-dark"] .auth-provider-button {
  border-color: rgba(255, 255, 255, 0.12) !important;
  background: rgba(255, 255, 255, 0.06) !important;
}

.sidebar #sidebar-toggle svg,
.sidebar .new-chat-button svg {
  display: block;
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

#chat-form.composer .composer-plus svg,
.menu-icon svg {
  display: block;
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.menu-icon svg {
  width: 18px;
  height: 18px;
}

/* Knowledge workspace flat layout pass: one rail, one workspace, no nested cards. */
#page-knowledge .workspace-page {
  min-height: 100vh;
  margin: 0;
  border: 0 !important;
  border-radius: 0 !important;
  background: var(--workspace-bg) !important;
  box-shadow: none !important;
  overflow: visible;
}

.knowledge-hero {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px 14px;
  border-bottom: 1px solid var(--control-border);
}

.knowledge-hero .eyebrow {
  display: none;
}

.knowledge-hero h1 {
  margin: 0;
  color: var(--text);
  font-size: 28px;
  font-weight: 650;
  line-height: 1.15;
}

.knowledge-hero .hero-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.knowledge-hero .hero-actions button {
  min-height: 36px;
  padding: 0 13px;
  border: 1px solid var(--control-border);
  border-radius: 9px;
  background: var(--control-bg);
  color: var(--text);
  box-shadow: none;
  font-size: 14px;
  font-weight: 560;
}

.knowledge-hero #open-kb-modal-btn {
  border-color: var(--inverse-bg);
  background: var(--inverse-bg);
  color: var(--inverse-text);
}

#page-knowledge .knowledge-summary {
  margin: 0 24px 16px;
  border: 0;
  border-bottom: 1px solid var(--control-border);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

#page-knowledge .knowledge-shell,
#page-knowledge .knowledge-browser.knowledge-shell {
  grid-template-columns: 260px minmax(0, 1fr) !important;
  gap: 0 !important;
  align-items: stretch;
  padding: 0 24px 24px !important;
}

#page-knowledge .knowledge-rail {
  position: static;
  gap: 8px;
  padding: 16px 18px 16px 0;
  border: 0;
  border-right: 1px solid var(--control-border);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

#page-knowledge .kb-list-header {
  min-height: 40px;
  padding: 0 0 10px;
  border: 0;
  border-radius: 0;
  background: transparent;
}

#page-knowledge .kb-list-header h2 {
  font-size: 16px !important;
  font-weight: 620;
}

#page-knowledge .kb-search-box {
  padding: 0 0 12px;
  border: 0;
  border-radius: 0;
  background: transparent;
}

#page-knowledge .kb-search-box input {
  min-height: 38px;
  background: var(--control-bg);
}

#page-knowledge .kb-card-list {
  gap: 4px;
}

#page-knowledge .kb-card-list > .empty-state {
  margin: 0;
  padding: 12px;
  border: 0;
  background: transparent;
}

#page-knowledge .knowledge-primary {
  min-height: 0;
  padding-left: 20px;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}

#page-knowledge .knowledge-tabbar {
  min-height: 56px;
  gap: 4px;
  padding: 11px 0;
  border-bottom: 1px solid var(--control-border) !important;
  background: transparent;
}

#page-knowledge .knowledge-tab {
  min-height: 34px !important;
  border: 0;
  border-radius: 8px;
  background: transparent;
}

#page-knowledge .knowledge-tab.active {
  background: var(--control-bg-hover);
  color: var(--text);
  box-shadow: none;
}

#page-knowledge .documents-tab-panel.active,
#page-knowledge .retrieval-tab-panel.active,
#page-knowledge .knowledge-settings-panel.active {
  padding: 0 !important;
}

#page-knowledge .knowledge-primary .document-toolbar {
  grid-template-columns: minmax(220px, 1fr) auto !important;
  padding: 18px 0 14px !important;
  border-bottom: 1px solid var(--control-border) !important;
  background: transparent;
}

#page-knowledge .document-table-panel {
  margin: 0;
  padding: 14px 0 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

@media (max-width: 760px) {
  #page-knowledge .workspace-page {
    min-height: 100%;
    padding: 0 16px 24px;
  }

  .knowledge-hero {
    min-height: 68px;
    align-items: flex-start;
    padding: 18px 0 14px;
  }

  .knowledge-hero h1 {
    font-size: 27px;
  }

  .knowledge-hero .hero-actions {
    gap: 6px;
  }

  .knowledge-hero .hero-actions button {
    min-height: 34px;
    padding-inline: 10px;
    font-size: 13px;
  }

  #page-knowledge .knowledge-summary {
    margin-inline: 0;
  }

  #page-knowledge .knowledge-shell,
  #page-knowledge .knowledge-browser.knowledge-shell {
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 16px !important;
    padding: 0 !important;
  }

  #page-knowledge .knowledge-rail {
    padding: 14px 0 18px;
    border-right: 0;
    border-bottom: 1px solid var(--control-border);
  }

  #page-knowledge .kb-list-header {
    display: none;
  }

  #page-knowledge .knowledge-primary {
    padding-left: 0;
  }

  #page-knowledge .knowledge-tabbar {
    min-height: 48px;
    padding: 7px 0;
    overflow-x: auto;
  }

  #page-knowledge .knowledge-primary .document-toolbar {
    grid-template-columns: minmax(0, 1fr) auto !important;
    gap: 10px;
    padding: 14px 0 !important;
  }

  #page-knowledge .document-table-panel {
    padding-top: 12px;
  }
}

/* Settings workspace flat layout pass: configuration reads as one tool surface. */
#page-settings .workspace-page {
  min-height: 100vh;
  margin: 0;
  border: 0 !important;
  border-radius: 0 !important;
  background: var(--workspace-bg) !important;
  box-shadow: none !important;
  overflow: visible;
}

.settings-header {
  min-height: 72px;
  display: flex;
  align-items: center;
  padding: 18px 24px 14px;
  border-bottom: 1px solid var(--control-border);
}

.settings-header .eyebrow {
  display: none;
}

.settings-header h1 {
  margin: 0;
  color: var(--text);
  font-size: 28px;
  font-weight: 650;
  line-height: 1.15;
}

#page-settings .settings-grid {
  gap: 0;
  padding: 0 24px 24px;
  border: 0 !important;
  background: transparent !important;
}

#page-settings .settings-main {
  gap: 0;
}

#page-settings #model-form,
#page-settings .model-list-panel {
  margin: 0;
  padding: 20px 0;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
}

#page-settings #model-form {
  border-bottom: 1px solid var(--control-border) !important;
}

#page-settings .panel-title {
  margin-bottom: 16px;
}

#page-settings .panel-title h2 {
  font-size: 18px;
  font-weight: 620;
}

#page-settings .form-grid {
  gap: 14px 12px;
}

#page-settings #model-list > .empty-state {
  margin: 0;
  padding: 14px;
  background: transparent;
}

@media (max-width: 760px) {
  #page-settings .workspace-page {
    min-height: 100%;
    padding: 0 16px 24px;
  }

  .settings-header {
    min-height: 68px;
    padding: 18px 0 14px;
  }

  .settings-header h1 {
    font-size: 27px;
  }

  #page-settings .settings-grid {
    padding: 0;
  }

  #page-settings #model-form,
  #page-settings .model-list-panel {
    padding: 18px 0;
  }
}

/* Compact provider selector pass: options scan like controls, not nested cards. */
#page-settings #provider-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 0;
  border: 0 !important;
  background: transparent !important;
}

#page-settings #provider-grid .provider-card {
  width: auto;
  min-width: 0;
  min-height: 36px;
  padding: 0 13px;
  border: 1px solid var(--control-border);
  border-radius: 9px;
  background: var(--control-bg);
  color: var(--text-soft);
  box-shadow: none;
  font-size: 14px;
  font-weight: 560;
  line-height: 1;
  white-space: nowrap;
}

#page-settings #provider-grid .provider-card:hover {
  border-color: color-mix(in srgb, var(--text) 18%, var(--control-border));
  background: var(--control-bg-hover);
  color: var(--text);
}

#page-settings #provider-grid .provider-card.selected {
  border-color: var(--inverse-bg);
  background: var(--inverse-bg);
  color: var(--inverse-text);
}

:root[data-theme="mono-dark"] #page-settings #provider-grid .provider-card.selected {
  border-color: color-mix(in srgb, var(--text) 28%, var(--control-border)) !important;
  background: var(--control-bg-hover) !important;
  color: var(--text) !important;
}

@media (max-width: 760px) {
  #page-settings #provider-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  #page-settings #provider-grid .provider-card {
    width: 100%;
    padding-inline: 10px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  #page-settings #provider-grid .provider-card:last-child {
    grid-column: 1 / -1;
  }
}

/* Final mobile shell guard: late desktop shell rules must not squeeze the workspace. */
@media (max-width: 760px) {
  .app-shell,
  body.sidebar-collapsed .app-shell {
    height: 100dvh;
    min-height: 0;
    grid-template-columns: minmax(0, 1fr) !important;
    grid-template-rows: 64px minmax(0, 1fr) !important;
    overflow: hidden;
  }

  .sidebar,
  .sidebar.collapsed,
  body.sidebar-collapsed .sidebar {
    width: 100% !important;
    height: 64px !important;
    min-height: 64px;
    flex-direction: row;
    align-items: center !important;
    gap: 6px !important;
    padding: 10px 12px !important;
    overflow: visible;
  }

  .sidebar-brand,
  body.sidebar-collapsed .sidebar-brand {
    width: auto;
    min-height: 40px !important;
    padding: 0 !important;
  }

  .sidebar #sidebar-toggle {
    display: none !important;
  }

  .sidebar .new-chat-button,
  .sidebar.collapsed .new-chat-button,
  body.sidebar-collapsed .sidebar .new-chat-button,
  .sidebar .sidebar-tool,
  .sidebar.collapsed .sidebar-tool,
  body.sidebar-collapsed .sidebar .sidebar-tool,
  .sidebar .user-menu-button,
  .sidebar.collapsed .user-menu-button,
  body.sidebar-collapsed .sidebar .user-menu-button {
    width: 40px !important;
    min-width: 40px !important;
    max-width: 40px !important;
    height: 40px !important;
    min-height: 40px !important;
    justify-content: center !important;
    gap: 0 !important;
    padding: 0 !important;
  }

  .sidebar .new-chat-button strong,
  .sidebar .sidebar-tool span:not(.nav-icon),
  .sidebar .user-menu-button span:not(.user-avatar) {
    display: none !important;
  }

  .sidebar-bottom-tools,
  body.sidebar-collapsed .sidebar-bottom-tools {
    width: auto !important;
    display: flex;
    flex-direction: row;
    flex: 0 0 auto;
    gap: 4px !important;
    margin: 0 0 0 auto !important;
    padding: 0 !important;
  }

  .user-menu,
  body.sidebar-collapsed .user-menu {
    width: auto;
    flex: 0 0 auto;
    margin: 0 !important;
    padding: 0 !important;
  }

  .main-stage,
  body.sidebar-collapsed .main-stage {
    min-height: 0;
    overflow: auto;
  }

  #page-chat,
  #page-chat .chat-layout,
  #page-chat .chat-panel {
    height: 100% !important;
    min-height: 0 !important;
  }
}

/* Compact message actions stay reachable with mouse, keyboard, and touch. */
.message-actions {
  min-height: 32px;
  display: flex;
  align-items: center;
  gap: 2px;
}

.message-actions:focus-within {
  opacity: 1;
}

.message-actions button,
.message-actions .retry-answer-button {
  width: 32px;
  min-width: 32px;
  height: 32px;
  min-height: 32px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text-soft);
  box-shadow: none;
}

.message-actions button:hover,
.message-actions button:focus-visible {
  background: var(--control-bg-hover);
  color: var(--text);
}

.message-actions button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@media (hover: none), (max-width: 760px) {
  .message-actions {
    opacity: 1;
  }
}

.modal-actions {
  align-items: center;
  margin-top: 4px;
}

.modal-actions > button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border: 1px solid var(--control-border);
  border-radius: 9px;
  background: var(--control-bg);
  color: var(--text);
  font-size: 14px;
  font-weight: 620;
  line-height: 1;
}

.modal-actions > button:hover,
.modal-actions > button:focus-visible {
  border-color: color-mix(in srgb, var(--text) 18%, var(--control-border));
  background: var(--control-bg-hover);
}

.modal-actions > button.primary {
  border-color: var(--inverse-bg);
  background: var(--inverse-bg) !important;
  color: var(--inverse-text) !important;
}

.modal-actions > button.primary:hover,
.modal-actions > button.primary:focus-visible {
  opacity: 0.9;
}

@media (max-width: 760px) {
  .modal-actions {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .modal-actions > button {
    width: 100%;
  }
}

.upload-modal-panel {
  width: min(760px, 100%);
}

.upload-modal-body {
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 14px;
}

.upload-modal-body .upload-zone.upload-zone-compact {
  grid-template-columns: minmax(0, 1fr);
  align-content: start;
  margin: 0;
}

.upload-modal-body .file-drop {
  min-height: 164px;
  border-color: var(--control-border);
  border-radius: 12px;
  background: var(--control-bg);
}

.upload-zone-compact > button {
  min-height: 44px;
  border-radius: 9px;
  background: var(--inverse-bg) !important;
  color: var(--inverse-text) !important;
  font-size: 14px;
  font-weight: 680;
}

.upload-zone-compact > button:disabled {
  border: 1px solid var(--control-border) !important;
  background: var(--control-bg) !important;
  color: var(--muted) !important;
}

.upload-queue-summary {
  border-radius: 12px;
  background: var(--control-bg);
}

.upload-queue-summary span::before {
  background: var(--text-soft);
}

:root[data-theme="mono-dark"] .upload-queue-summary {
  border-color: var(--control-border);
  background: var(--control-bg);
  color: var(--muted);
}

@media (max-width: 760px) {
  .upload-modal-body {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    padding: 16px;
  }

  .upload-modal-body .file-drop {
    min-height: 150px;
  }
}

:root[data-theme="mono-dark"] .auth-form button[type="submit"] {
  background: var(--inverse-bg) !important;
  color: var(--inverse-text) !important;
}

/* Agent trace visualization pass: live status in chat, full tree in the drawer. */
.evidence-drawer {
  grid-template-rows: auto minmax(0, 1fr);
}

.drawer-heading {
  min-width: 0;
  display: grid;
  gap: 12px;
}

.drawer-tabs {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 3px;
  padding: 3px;
  border-radius: 10px;
  background: var(--control-bg);
  box-shadow: inset 0 0 0 1px var(--control-border);
}

.drawer-tabs button {
  min-width: 64px;
  min-height: 34px;
  padding: 0 12px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  box-shadow: none;
  font-size: 13px;
  font-weight: 680;
  transition-property: transform, background-color, color;
  transition-duration: 140ms;
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

.drawer-tabs button[aria-selected="true"] {
  background: var(--surface);
  color: var(--text);
  box-shadow:
    0 1px 3px rgba(19, 26, 34, 0.10),
    inset 0 0 0 1px color-mix(in srgb, var(--text) 8%, transparent);
}

.drawer-tabs button:active,
.agent-trace-strip:active,
.agent-trace-node:active {
  transform: scale(0.96);
}

.agent-trace-section,
#agent-evidence-panel {
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.agent-trace-section {
  padding: 14px;
}

.agent-tool-fallback {
  display: grid;
  gap: 8px;
  padding-top: 2px;
}

.agent-tool-fallback > .section-label {
  margin: 0;
}

.message.assistant.has-agent-trace,
.message.assistant.thinking.has-agent-trace {
  width: min(620px, 88%);
  min-width: 0;
  min-height: 0;
  display: block;
  place-items: initial;
  padding: 4px 2px;
  border: 0;
  background: transparent;
  animation: none;
}

.message.assistant.has-agent-trace .agent-thinking-orb {
  margin: 3px 12px 0;
}

.agent-trace-strip {
  width: 100%;
  min-height: 52px;
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr) auto 18px;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  padding: 9px 12px;
  border: 0;
  border-radius: 10px;
  background: color-mix(in srgb, var(--accent) 7%, var(--surface));
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, var(--accent) 28%, var(--line)),
    0 3px 10px rgba(19, 26, 34, 0.05);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition-property: transform, background-color, box-shadow;
  transition-duration: 160ms;
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

.agent-trace-strip.failed {
  background: color-mix(in srgb, var(--danger) 6%, var(--surface));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--danger) 25%, var(--line));
}

.agent-trace-strip.waiting {
  background: color-mix(in srgb, var(--warning) 8%, var(--surface));
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, var(--warning) 34%, var(--line)),
    0 3px 10px rgba(19, 26, 34, 0.05);
}

.agent-trace-strip-copy,
.agent-trace-node-copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.agent-trace-strip-copy strong,
.agent-trace-node-copy strong {
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  font-size: 13px;
  font-weight: 710;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-trace-strip-copy small,
.agent-trace-node-copy small {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  font-weight: 520;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-trace-strip-time,
.agent-trace-node-time {
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.agent-trace-strip > svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  color: var(--muted);
}

.agent-trace-signal,
.agent-trace-node-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--muted);
}

.agent-trace-strip.running .agent-trace-signal,
.agent-trace-node.running .agent-trace-node-dot {
  background: var(--accent);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent) 16%, transparent);
  animation: agent-trace-pulse 1.6s cubic-bezier(0.16, 1, 0.3, 1) infinite alternate;
}

.agent-trace-strip.success .agent-trace-signal,
.agent-trace-node.success .agent-trace-node-dot {
  background: var(--success);
}

.agent-trace-strip.failed .agent-trace-signal,
.agent-trace-node.failed .agent-trace-node-dot {
  background: var(--danger);
}

.agent-trace-strip.waiting .agent-trace-signal,
.agent-trace-node.waiting .agent-trace-node-dot {
  background: var(--warning);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--warning) 15%, transparent);
  animation: agent-trace-pulse 1.6s cubic-bezier(0.16, 1, 0.3, 1) infinite alternate;
}

.agent-trace-tree {
  display: grid;
  gap: 4px;
}

.agent-trace-row {
  width: calc(100% - var(--trace-depth) * 18px);
  margin-left: calc(var(--trace-depth) * 18px);
  overflow: hidden;
  border-radius: 11px;
}

.agent-trace-row.expanded {
  margin-block: 3px 7px;
  background: var(--surface);
  box-shadow:
    0 5px 18px rgba(19, 26, 34, 0.08),
    inset 0 0 0 1px var(--control-border);
}

.agent-trace-node {
  width: 100%;
  min-height: 52px;
  display: grid;
  grid-template-columns: 12px 56px minmax(0, 1fr) auto 16px;
  align-items: center;
  gap: 8px;
  padding: 7px 9px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  box-shadow: none;
  text-align: left;
  cursor: pointer;
  transition-property: transform, background-color, box-shadow;
  transition-duration: 140ms;
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

.agent-trace-node.running,
.agent-trace-node.waiting,
.agent-trace-node.selected:not(.expanded) {
  background: var(--surface);
  box-shadow:
    0 4px 14px rgba(19, 26, 34, 0.08),
    inset 0 0 0 1px color-mix(in srgb, var(--accent) 16%, var(--line));
}

.agent-trace-node.waiting {
  box-shadow:
    0 4px 14px rgba(19, 26, 34, 0.08),
    inset 0 0 0 1px color-mix(in srgb, var(--warning) 28%, var(--line));
}

.agent-trace-kind {
  width: max-content;
  max-width: 56px;
  padding: 3px 5px;
  overflow: hidden;
  border-radius: 6px;
  background: var(--control-bg);
  color: var(--text-soft);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.055em;
  line-height: 1;
  text-overflow: ellipsis;
}

.agent-trace-kind.tool,
.agent-trace-kind.mcp,
.agent-trace-kind.skill,
.agent-trace-kind.agent {
  background: color-mix(in srgb, var(--accent) 9%, var(--surface));
  color: color-mix(in srgb, var(--accent) 82%, var(--text));
}

.agent-trace-kind.approval {
  background: color-mix(in srgb, var(--warning) 11%, var(--surface));
  color: color-mix(in srgb, var(--warning) 88%, var(--text));
}

.agent-trace-node-chevron {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 16px;
  line-height: 1;
  transition: transform 160ms cubic-bezier(0.16, 1, 0.3, 1);
}

.agent-trace-node[aria-expanded="true"] .agent-trace-node-chevron {
  transform: rotate(180deg);
}

.agent-trace-step-detail {
  display: grid;
  gap: 12px;
  padding: 2px 11px 12px 76px;
  border-top: 1px solid var(--control-border);
}

.agent-trace-reason {
  display: grid;
  gap: 4px;
  padding-top: 10px;
}

.agent-trace-reason > span,
.agent-trace-memory-items > span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 680;
}

.agent-trace-reason p {
  margin: 0;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.55;
}

.agent-trace-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
}

.agent-trace-fields > div {
  min-width: 0;
  padding: 8px 9px;
  border-radius: 8px;
  background: var(--control-bg);
}

.agent-trace-fields dt {
  margin: 0 0 3px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
}

.agent-trace-fields dd {
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 13px;
  font-weight: 620;
  line-height: 1.4;
}

.agent-trace-field-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.agent-trace-field-toggle {
  flex: 0 0 auto;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--accent);
  font: inherit;
  font-size: 11px;
  font-weight: 680;
  cursor: pointer;
}

.agent-trace-field-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.agent-trace-fields dd.expanded {
  max-height: 320px;
  margin-top: 6px;
  overflow: auto;
  white-space: pre-wrap;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.5;
}

.agent-trace-field-note {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.4;
}

.agent-trace-detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.agent-trace-detail-actions button {
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid var(--control-border);
  border-radius: 8px;
  background: transparent;
  color: var(--text-soft);
  font: inherit;
  font-size: 12px;
  font-weight: 680;
  cursor: pointer;
}

.agent-trace-detail-actions button.primary {
  border-color: var(--text);
  background: var(--text);
  color: var(--surface);
}

.agent-trace-detail-actions button:disabled {
  cursor: wait;
  opacity: 0.58;
}

.agent-approval-list,
.agent-approval-drawer-list {
  display: grid;
  gap: 10px;
}

.agent-approval-list {
  margin: 0 0 14px;
}

.agent-approval-drawer-list {
  margin: 0 0 12px;
}

.agent-approval-prompt {
  min-width: 0;
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid color-mix(in srgb, var(--warning) 34%, var(--control-border));
  border-radius: 12px;
  background: color-mix(in srgb, var(--warning) 7%, var(--surface));
  box-shadow: 0 4px 16px rgba(19, 26, 34, 0.07);
}

.agent-approval-prompt.resolved {
  border-color: var(--control-border);
  background: var(--control-bg);
  box-shadow: none;
}

.agent-approval-heading {
  min-width: 0;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
}

.agent-approval-icon {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: color-mix(in srgb, var(--warning) 16%, var(--surface));
  color: var(--warning);
  font-size: 17px;
  font-weight: 800;
}

.agent-approval-heading > div {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.agent-approval-heading strong {
  color: var(--text);
  font-size: 14px;
  font-weight: 730;
  line-height: 1.35;
}

.agent-approval-heading span {
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.agent-approval-summary {
  max-height: 150px;
  margin: 0;
  padding: 10px 11px;
  overflow: auto;
  border: 1px solid var(--control-border);
  border-radius: 9px;
  background: var(--surface);
  color: var(--text-soft);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 12px;
  line-height: 1.5;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.agent-approval-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.agent-approval-actions button {
  min-height: 40px;
  padding: 0 15px;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 680;
}

.agent-approval-error {
  color: var(--danger);
  font-size: 13px;
  line-height: 1.45;
}

.agent-approval-prompt.compact {
  gap: 10px;
  padding: 12px;
}

.agent-approval-jump,
.agent-question-jump,
.agent-recovery-jump {
  min-height: 36px;
  justify-self: start;
  padding: 0 12px;
  border: 1px solid var(--control-border);
  border-radius: 9px;
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
  font-weight: 670;
}

.agent-recovery-jump {
  margin-left: 17px;
}

@media (hover: hover) {
  .drawer-tabs button:hover,
  .agent-trace-node:hover {
    background: var(--control-bg-hover);
    color: var(--text);
  }

  .agent-trace-strip:hover {
    background: color-mix(in srgb, var(--accent) 10%, var(--surface));
    box-shadow:
      inset 0 0 0 1px color-mix(in srgb, var(--accent) 36%, var(--line)),
      0 5px 16px rgba(19, 26, 34, 0.08);
  }
}

@keyframes agent-trace-pulse {
  from {
    opacity: 0.48;
    transform: scale(0.76);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .agent-trace-strip,
  .agent-trace-node,
  .drawer-tabs button {
    transition: none;
  }

  .agent-trace-strip.running .agent-trace-signal,
  .agent-trace-node.running .agent-trace-node-dot,
  .agent-trace-strip.waiting .agent-trace-signal,
  .agent-trace-node.waiting .agent-trace-node-dot {
    animation: none;
  }
}

@media (max-width: 760px) {
  body:not(.drawer-collapsed) .evidence-drawer {
    position: fixed;
    z-index: 80;
    inset: auto 0 0;
    width: 100%;
    height: min(74dvh, 680px) !important;
    min-height: 360px !important;
    border-radius: 16px 16px 0 0;
    padding-bottom: env(safe-area-inset-bottom);
    overflow: hidden;
    overscroll-behavior: contain;
    box-shadow: 0 -18px 48px rgba(19, 26, 34, 0.18);
  }

  .drawer-header {
    align-items: flex-start;
    padding: 14px 14px 10px;
  }

  .drawer-heading {
    gap: 9px;
  }

  .agent-trace-section {
    padding: 10px;
  }

  .agent-trace-node {
    min-height: 48px;
    grid-template-columns: 12px 50px minmax(0, 1fr) auto 14px;
    padding-inline: 7px;
  }

  .agent-trace-row {
    width: calc(100% - var(--trace-depth) * 12px);
    margin-left: calc(var(--trace-depth) * 12px);
  }

  .agent-trace-step-detail {
    padding-left: 10px;
  }

  .agent-trace-strip {
    grid-template-columns: 12px minmax(0, 1fr) auto;
  }

  .message.assistant.has-agent-trace,
  .message.assistant.thinking.has-agent-trace {
    width: min(100%, calc(100vw - 32px));
    max-width: 100%;
  }

  .agent-trace-strip > svg {
    display: none;
  }

  .agent-approval-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .agent-approval-actions button {
    width: 100%;
  }

  .chat-topbar #inspector-toggle::before {
    content: "运行";
  }
}

/* Live run summary: one compact source of truth for progress, elapsed time and tool use. */
.evidence-drawer {
  grid-template-rows: auto auto minmax(0, 1fr);
}

.evidence-drawer > .drawer-header {
  position: relative;
  display: block;
  padding: 16px 14px 0;
  border-bottom: 0 !important;
}

.evidence-drawer > .drawer-header > .icon-button {
  position: absolute;
  top: 14px;
  right: 14px;
}

.agent-run-summary {
  min-width: 0;
}

.agent-run-summary-head {
  min-height: 40px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding-right: 48px;
}

.agent-run-summary-head > div {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.agent-run-summary-head h2 {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  color: var(--text);
  font-size: 18px;
  font-weight: 720;
  line-height: 1.2;
  overflow-wrap: anywhere;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.agent-run-summary-copy > span,
.agent-run-summary-meta span {
  overflow: hidden;
  color: var(--muted);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-run-summary-meta {
  min-width: 0;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 5px 10px;
}

.agent-run-summary-meta strong {
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 680;
  font-variant-numeric: tabular-nums;
  line-height: 1.3;
}

.agent-run-summary-copy p {
  margin: 5px 0 0;
  overflow: hidden;
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 620;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-run-summary.idle .agent-run-summary-copy {
  padding-bottom: 14px;
}

.agent-run-status {
  min-height: 26px;
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--control-bg);
  color: var(--muted);
  font-size: 12px;
  font-weight: 720;
  white-space: nowrap;
}

.agent-run-progress,
.agent-task-capsule-progress {
  height: 2px;
  overflow: hidden;
  background: var(--control-bg);
}

.agent-run-progress {
  margin: 14px -14px 0;
}

.agent-run-progress > span,
.agent-task-capsule-progress > span {
  width: 100%;
  height: 100%;
  display: block;
  background: var(--success);
  transform-origin: left center;
  transition: transform 240ms cubic-bezier(0.16, 1, 0.3, 1);
}

.agent-run-status.running,
.agent-run-status.success,
.agent-run-status.completed {
  background: color-mix(in srgb, var(--success) 11%, var(--surface));
  color: color-mix(in srgb, var(--success) 78%, var(--text));
}

.agent-run-status.failed {
  background: color-mix(in srgb, var(--danger) 10%, var(--surface));
  color: var(--danger);
}

.agent-run-status.waiting {
  background: color-mix(in srgb, var(--warning) 11%, var(--surface));
  color: color-mix(in srgb, var(--warning) 88%, var(--text));
}

.agent-run-status.warning {
  background: color-mix(in srgb, var(--warning) 11%, var(--surface));
  color: color-mix(in srgb, var(--warning) 88%, var(--text));
}

.agent-artifact-list {
  display: grid;
  margin: 0 0 12px;
  border-block: 1px solid var(--control-border);
}

.agent-artifact-list.compact {
  margin: 0;
  border-block: 0;
}

.agent-artifact-review-toolbar {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--control-border);
}

.agent-artifact-review-summary,
.agent-artifact-review-head > div:first-child {
  min-width: 0;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}

.agent-artifact-review-summary strong,
.agent-artifact-review-head strong {
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
}

.agent-artifact-review-summary span,
.agent-artifact-review-head span {
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.agent-artifact-review-toolbar > button {
  flex: 0 0 auto;
  padding: 4px 8px;
  border: 1px solid var(--control-border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}

.agent-artifact-review-toolbar > button:hover {
  background: var(--surface-hover);
}

.agent-artifact-review-toolbar > button:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 2px;
}

.agent-artifact-row {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(56px, auto) minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
}

.agent-artifact-row + .agent-artifact-row {
  border-top: 1px solid var(--control-border);
}

.agent-artifact-kind {
  color: var(--muted);
  font-size: 12px;
}

.agent-artifact-copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.agent-artifact-copy strong {
  overflow: hidden;
  color: var(--text);
  font-size: 13px;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-artifact-copy small {
  color: var(--muted);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.agent-artifact-row button {
  border: 0;
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}

.agent-artifact-row button:hover,
.agent-artifact-row button:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.agent-artifact-actions,
.agent-artifact-undo {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.agent-artifact-detail {
  min-width: 0;
  display: grid;
  grid-column: 2 / -1;
  gap: 8px;
}

.agent-artifact-detail:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 3px;
}

.agent-artifact-review-head {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.agent-artifact-review-nav {
  display: inline-flex;
  flex: 0 0 auto;
  gap: 8px;
}

.agent-artifact-review-nav button:disabled {
  color: var(--muted);
  cursor: not-allowed;
  text-decoration: none;
}

.agent-artifact-detail pre {
  max-height: 320px;
  margin: 0;
  padding: 10px 12px;
  overflow: auto;
  border: 1px solid var(--control-border);
  border-radius: 8px;
  background: var(--surface-soft);
  color: var(--text-soft);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 11px;
  line-height: 1.55;
  white-space: pre;
}

.agent-diff-view {
  max-height: 360px;
  overflow: auto;
  border: 1px solid var(--line, #d8d8d0);
  border-radius: 8px;
  background: #fbfbf9;
  color: #242424;
  font: 12px/1.55 ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  scrollbar-gutter: stable;
}

.agent-diff-view:focus-visible {
  outline: 2px solid #151515;
  outline-offset: 2px;
}

.agent-diff-line {
  display: grid;
  grid-template-columns: 44px 44px minmax(0, 1fr);
  min-width: max-content;
  border-bottom: 1px solid rgba(216, 216, 208, 0.55);
}

.agent-diff-line:last-child {
  border-bottom: 0;
}

.agent-diff-line > span {
  padding: 2px 8px;
  border-right: 1px solid rgba(216, 216, 208, 0.75);
  color: #777771;
  text-align: right;
  user-select: none;
}

.agent-diff-line > code {
  display: block;
  padding: 2px 12px;
  color: inherit;
  white-space: pre;
}

.agent-diff-line.is-add {
  background: #edf7ef;
  color: #245c32;
}

.agent-diff-line.is-remove {
  background: #fbefee;
  color: #8b3430;
}

.agent-diff-line.is-hunk {
  background: #f1f1ed;
  color: #5a5a54;
}

.agent-diff-line.is-meta {
  background: #f6f6f3;
  color: #696965;
}

.agent-diff-line.is-hunk > span,
.agent-diff-line.is-meta > span {
  color: transparent;
}

.agent-diff-loading,
.agent-diff-empty {
  padding: 12px;
  border: 1px solid var(--line, #d8d8d0);
  border-radius: 8px;
  color: #696965;
}

.agent-artifact-row.is-reverted .agent-artifact-copy strong {
  color: var(--muted);
  text-decoration: line-through;
}

.agent-delivery-card {
  margin: 18px 0 4px;
  overflow: hidden;
  border: 1px solid var(--control-border);
  border-radius: 12px;
  background: var(--surface);
}

.agent-delivery-card > button {
  width: 100%;
  min-width: 0;
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 9px;
  padding: 12px 14px;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  text-align: left;
}

.agent-delivery-card > button:hover {
  background: var(--surface-soft);
}

.agent-delivery-card > button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.agent-delivery-card-chevron {
  width: 16px;
  height: 16px;
  color: var(--muted);
  transition: transform 160ms ease, color 160ms ease;
}

.agent-delivery-card.is-expanded .agent-delivery-card-chevron {
  color: var(--accent);
  transform: rotate(90deg);
}

.agent-delivery-card-copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.agent-delivery-card-copy strong {
  color: var(--text);
  font-size: 13px;
  font-weight: 720;
}

.agent-delivery-card-copy > span {
  color: var(--muted);
  font-size: 13px;
}

.agent-delivery-card-diff {
  display: inline-flex;
  gap: 7px;
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 11px;
  font-style: normal;
  font-variant-numeric: tabular-nums;
}

.agent-delivery-card-diff b {
  color: var(--success);
}

.agent-delivery-card-diff i {
  color: var(--danger);
  font-style: normal;
}

.agent-delivery-card-status {
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
  white-space: nowrap;
}

.agent-delivery-card-status.is-passed {
  background: color-mix(in srgb, var(--success) 10%, var(--surface));
  color: var(--success);
}

.agent-delivery-card-status.is-failed {
  background: color-mix(in srgb, var(--danger) 10%, var(--surface));
  color: var(--danger);
}

.agent-delivery-card-status.is-cancelled {
  background: color-mix(in srgb, var(--warning) 10%, var(--surface));
  color: var(--warning);
}

.agent-delivery-card-body {
  display: grid;
  gap: 8px;
  padding: 0 14px 12px;
  border-top: 1px solid var(--control-border);
}

.agent-delivery-verification {
  display: grid;
  gap: 8px;
  padding-top: 10px;
}

.agent-artifact-list + .agent-delivery-verification {
  border-top: 1px solid var(--control-border);
}

.agent-delivery-verification-head,
.agent-delivery-verification-row {
  display: flex;
  align-items: center;
}

.agent-delivery-verification-head {
  justify-content: space-between;
  padding: 0 2px;
  color: var(--text);
  font-size: 12px;
}

.agent-delivery-verification-head span {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.agent-delivery-verification-list {
  display: grid;
  gap: 2px;
}

.agent-delivery-verification-row {
  width: 100%;
  min-width: 0;
  gap: 9px;
  padding: 8px 2px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: inherit;
  cursor: pointer;
  text-align: left;
}

.agent-delivery-verification-row:hover {
  background: var(--surface-soft);
}

.agent-delivery-verification-row:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.agent-delivery-verification-mark {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--success) 14%, transparent);
}

.agent-delivery-verification-row.is-failed .agent-delivery-verification-mark {
  background: var(--danger);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--danger) 14%, transparent);
}

.agent-delivery-verification-copy {
  min-width: 0;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}

.agent-delivery-verification-copy strong {
  color: var(--text);
  font-size: 12px;
}

.agent-delivery-verification-copy code {
  overflow: hidden;
  color: var(--muted);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-delivery-verification-meta {
  margin-left: auto;
  flex: 0 0 auto;
  color: var(--success);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.agent-delivery-verification-row.is-failed .agent-delivery-verification-meta {
  color: var(--danger);
}

.agent-delivery-verification-open {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
  color: var(--muted);
}

.agent-delivery-verification-row:hover .agent-delivery-verification-open,
.agent-delivery-verification-row:focus-visible .agent-delivery-verification-open {
  color: var(--accent);
}

.agent-delivery-card-open {
  justify-self: start;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}

.agent-delivery-card-open:hover,
.agent-delivery-card-open:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 760px) {
  .agent-delivery-card > button {
    grid-template-columns: 16px minmax(0, 1fr) auto auto;
  }

  .agent-artifact-row {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .agent-artifact-kind,
  .agent-artifact-copy {
    grid-column: 1;
  }

  .agent-artifact-actions {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .agent-artifact-detail {
    grid-column: 1 / -1;
  }

  .agent-artifact-review-toolbar,
  .agent-artifact-review-head {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .agent-delivery-verification-row {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .agent-delivery-verification-meta {
    width: 100%;
    margin-left: 17px;
  }
}

.evidence-drawer > .drawer-tabs {
  margin: 10px 14px;
}

/* Tools and MCP page: real tool inventory now, a clear MCP landing zone later. */
#page-tools .workspace-page {
  min-height: 100vh;
  margin: 0;
  border: 0 !important;
  border-radius: 0 !important;
  background: var(--workspace-bg) !important;
  box-shadow: none !important;
  overflow: visible;
}

.tools-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.62fr);
  grid-template-areas:
    "overview overview"
    "config inventory"
    "config mcp";
  align-items: start;
  gap: 14px;
  padding: 18px 24px 24px;
}

.tools-overview {
  grid-area: overview;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--control-border);
  border-radius: 10px;
  background: var(--panel-bg);
}

.tools-overview > div {
  min-width: 0;
  display: grid;
  gap: 5px;
  padding: 13px 16px;
}

.tools-overview > div + div {
  border-left: 1px solid var(--control-border);
}

.tools-overview span {
  color: var(--muted);
  font-size: 12px;
}

.tools-overview strong {
  color: var(--text);
  font-size: 18px;
  font-weight: 740;
  font-variant-numeric: tabular-nums;
}

#page-tools #tool-config-form {
  grid-area: config;
  margin: 0;
}

#page-tools .tool-enabled-toggle {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 9px;
}

#page-tools .tool-enabled-toggle input {
  width: 16px;
  height: 16px;
  margin: 0;
}

.tool-inventory {
  grid-area: inventory;
}

.mcp-panel {
  grid-area: mcp;
}

.tool-inventory-row {
  min-width: 0;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 11px;
  border: 1px solid var(--control-border);
  border-radius: 9px;
  background: var(--control-bg);
}

.tool-inventory-icon {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: var(--inverse-bg);
  color: var(--inverse-text);
  font-size: 21px;
  line-height: 1;
}

.tool-inventory-row > div {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.tool-inventory-row > div strong {
  overflow: hidden;
  color: var(--text);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tool-inventory-row > div span,
.mcp-empty span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.tool-state {
  padding: 4px 7px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  white-space: nowrap;
}

.tool-state.enabled {
  background: color-mix(in srgb, var(--success) 11%, var(--surface));
  color: color-mix(in srgb, var(--success) 78%, var(--text));
}

.mcp-empty {
  min-height: 96px;
  display: grid;
  align-content: center;
  gap: 5px;
  padding: 14px;
  border: 1px dashed var(--control-border);
  border-radius: 9px;
  background: var(--control-bg);
}

.mcp-empty strong {
  color: var(--text);
  font-size: 13px;
  font-weight: 680;
}

@media (max-width: 900px) {
  .tools-content {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "overview"
      "inventory"
      "config"
      "mcp";
  }
}

@media (max-width: 760px) {
  #page-tools .workspace-page {
    min-height: 100%;
    padding: 0 16px 24px;
  }

  .tools-content {
    gap: 12px;
    padding: 14px 0 0;
  }

  .tools-overview > div {
    padding: 11px 12px;
  }

  .evidence-drawer > .drawer-header {
    padding: 14px 12px 0;
  }

  .evidence-drawer > .drawer-tabs {
    margin-inline: 12px;
  }
}

@media (min-width: 901px) {
  #page-tools .tools-content {
    grid-template-areas:
      "overview overview"
      "config inventory"
      "mcp mcp";
  }
}

@media (max-width: 760px) {
  #page-tools,
  #page-tools .workspace-page,
  #page-tools .tools-content,
  #page-tools .panel,
  #page-tools #tool-config-form,
  #page-tools .mcp-panel {
    min-width: 0;
    max-width: 100%;
  }

  #page-tools #tool-config-form .button-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  #page-tools #tool-config-form .button-row button {
    width: 100%;
    min-width: 0;
    margin: 0;
  }

  #page-tools .mcp-panel-heading {
    flex-wrap: wrap;
  }
}

/* Skills: a flat, task-focused inventory with detail kept in transient layers. */
#page-skills .workspace-page {
  min-height: 100vh;
  margin: 0;
  border: 0 !important;
  border-radius: 0 !important;
  background: var(--workspace-bg) !important;
  box-shadow: none !important;
  overflow: visible;
}

.skills-header {
  justify-content: space-between;
}

.skills-primary-button,
.skill-detail-primary {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 15px;
  border: 1px solid var(--inverse-bg);
  border-radius: 9px;
  background: var(--inverse-bg);
  color: var(--inverse-text);
  font-size: 14px;
  font-weight: 680;
  line-height: 1;
}

.skills-content {
  width: min(1120px, 100%);
  display: grid;
  gap: 14px;
  padding: 20px 24px 32px;
}

.skills-tabs {
  display: flex;
  align-items: center;
  gap: 20px;
  border-bottom: 1px solid var(--control-border);
}

.skills-tabs button {
  min-height: 42px;
  position: relative;
  padding: 0 1px;
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.skills-tabs button::after {
  content: "";
  height: 2px;
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  border-radius: 2px;
  background: var(--text);
  opacity: 0;
  transform: scaleX(0.7);
  transition: transform 140ms cubic-bezier(0.16, 1, 0.3, 1), opacity 140ms ease;
}

.skills-tabs button.active {
  color: var(--text);
}

.skills-tabs button.active::after {
  opacity: 1;
  transform: scaleX(1);
}

.skills-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
}

.skills-search {
  width: min(460px, 100%);
}

.skills-search input,
.skills-filter select {
  min-height: 40px;
  border-color: var(--control-border);
  border-radius: 9px;
  background: var(--control-bg);
}

.skills-filter {
  width: 148px;
}

.visually-hidden {
  width: 1px !important;
  height: 1px !important;
  position: absolute !important;
  margin: -1px !important;
  padding: 0 !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skills-list {
  min-width: 0;
  border-top: 1px solid var(--control-border);
}

.skills-list-row {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(134px, auto);
  align-items: center;
  gap: 18px;
  position: relative;
  padding: 15px 12px;
  border-bottom: 1px solid var(--control-border);
  background: transparent;
  cursor: pointer;
  outline: none;
}

.skill-row-detail {
  min-width: 0;
  min-height: 40px;
  display: grid;
  grid-template-columns: minmax(240px, 1.5fr) minmax(82px, 0.45fr) minmax(180px, 0.8fr);
  align-items: center;
  gap: 18px;
  padding: 0;
  border-radius: 8px;
  background: transparent;
  color: inherit;
  text-align: left;
}

.skills-list-row.selected {
  background: var(--control-bg-hover);
  box-shadow: inset 2px 0 0 var(--text);
}

.skill-row-main,
.skill-row-source,
.skill-row-deps {
  min-width: 0;
}

.skill-row-main {
  display: grid;
  gap: 5px;
}

.skill-row-title {
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.skill-row-title strong {
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.skill-row-title span {
  flex: 0 0 auto;
  color: var(--muted);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.skill-row-main p {
  margin: 0;
  overflow: hidden;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.45;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.skill-row-source,
.skill-row-deps {
  display: grid;
  gap: 4px;
}

.skill-row-source > span,
.skill-row-deps > span {
  color: var(--muted);
  font-size: 11px;
}

.skill-row-source strong,
.skill-row-deps strong {
  overflow: hidden;
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 620;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.skill-row-deps.missing strong {
  color: var(--warning);
}

.skill-row-status {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.skill-status {
  color: var(--muted);
  font-size: 12px;
  font-weight: 640;
  white-space: nowrap;
}

.skill-status.enabled {
  color: var(--success);
}

.skill-status.unavailable {
  color: var(--warning);
}

.skill-switch {
  width: 44px;
  min-width: 44px;
  height: 40px;
  min-height: 40px;
  position: relative;
  padding: 0;
  border-radius: 999px;
  background: transparent;
}

.skill-switch::before {
  content: "";
  height: 22px;
  position: absolute;
  right: 0;
  left: 0;
  top: 9px;
  border-radius: 999px;
  background: var(--control-border);
}

.skill-switch span {
  width: 16px;
  height: 16px;
  position: absolute;
  z-index: 1;
  top: 12px;
  left: 4px;
  border-radius: 50%;
  background: var(--panel-bg);
  box-shadow: 0 1px 3px rgba(19, 26, 34, 0.22);
  transition: transform 140ms cubic-bezier(0.16, 1, 0.3, 1);
}

.skill-switch[aria-checked="true"]::before {
  background: var(--success);
}

.skill-switch[aria-checked="true"] span {
  transform: translateX(20px);
}

.skill-switch:disabled {
  opacity: 0.46;
  cursor: not-allowed;
}

.skill-row-error {
  grid-column: 1 / -1;
  margin-top: -6px;
  color: var(--danger);
  font-size: 12px;
  line-height: 1.45;
}

.skills-list-state {
  min-height: 112px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 24px 12px;
  border-bottom: 1px solid var(--control-border);
  color: var(--text-soft);
  font-size: 14px;
}

.skills-list-state.error,
.skill-inline-error {
  color: var(--danger);
}

.skills-list-state button {
  min-height: 40px;
  padding: 0 12px;
  border-radius: 9px;
  background: var(--control-bg);
  color: var(--text);
  font-weight: 640;
}

.skill-install-dialog {
  width: min(680px, 100%);
  max-height: min(760px, calc(100dvh - 48px));
  border-color: var(--control-border);
  border-radius: 16px;
  background: var(--panel-bg);
  overscroll-behavior: contain;
}

.skill-install-dialog .modal-head h2 {
  margin: 0;
  color: var(--text);
  font-size: 21px;
  letter-spacing: -0.012em;
}

.skill-install-tabs {
  display: flex;
  gap: 4px;
  padding: 12px 20px 0;
}

.skill-install-tabs button {
  min-height: 40px;
  padding: 0 14px;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  font-weight: 640;
}

.skill-install-tabs button.active {
  background: var(--control-bg-hover);
  color: var(--text);
}

.skill-install-form,
.skill-install-preview {
  min-height: 0;
  display: grid;
  align-content: start;
  gap: 15px;
  padding: 18px 20px 20px;
  overflow-y: auto;
}

.skill-install-github-options {
  display: grid;
  grid-template-columns: minmax(140px, 0.55fr) minmax(180px, 1fr);
  gap: 12px;
}

.skill-file-field input {
  min-height: 44px;
  padding: 7px;
  border-color: var(--control-border);
  background: var(--control-bg);
}

.skill-file-field > span {
  overflow-wrap: anywhere;
  color: var(--muted);
  font-size: 12px;
}

.skill-inline-error {
  padding: 10px 12px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--danger) 7%, var(--panel-bg));
  font-size: 13px;
  line-height: 1.5;
}

.skill-preview-name {
  min-width: 0;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
}

.skill-preview-name strong {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 20px;
  font-weight: 720;
  letter-spacing: -0.012em;
}

.skill-preview-name span {
  flex: 0 0 auto;
  color: var(--muted);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 12px;
}

.skill-install-preview > p {
  margin: 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.6;
  text-wrap: pretty;
}

.skill-preview-facts {
  display: grid;
  grid-template-columns: minmax(90px, 0.5fr) minmax(90px, 0.6fr) minmax(180px, 1.4fr);
  margin: 0;
  border-block: 1px solid var(--control-border);
}

.skill-preview-facts > div {
  min-width: 0;
  display: grid;
  gap: 5px;
  padding: 12px;
}

.skill-preview-facts > div + div {
  border-left: 1px solid var(--control-border);
}

.skill-preview-facts dt {
  color: var(--muted);
  font-size: 11px;
}

.skill-preview-facts dd {
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 13px;
  font-weight: 650;
  line-height: 1.45;
}

.skill-preview-facts dd.missing {
  color: var(--warning);
}

.skill-script-note {
  display: grid;
  gap: 4px;
  padding: 12px;
  border-radius: 9px;
  background: var(--control-bg);
}

.skill-script-note strong {
  color: var(--text);
  font-size: 14px;
}

.skill-script-note span {
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.5;
}

.skill-enable-choice {
  min-height: 40px;
  display: flex;
  grid-template-columns: none;
  flex-direction: row;
  align-items: center;
  gap: 9px;
  color: var(--text);
  font-size: 14px;
}

.skill-enable-choice input {
  width: 18px;
  height: 18px;
  margin: 0;
}

.skill-detail-drawer {
  width: min(520px, 100vw);
  background: var(--panel-bg);
}

.skill-detail-head .skill-detail-kicker {
  color: var(--muted);
  font-size: 12px;
  font-weight: 620;
}

.skill-detail-head h2 {
  overflow-wrap: anywhere;
}

.skill-detail-body {
  min-height: 0;
  overflow-y: auto;
}

.skill-detail-summary,
.skill-detail-section {
  padding: 18px;
  border-bottom: 1px solid var(--control-border);
}

.skill-detail-summary > p,
.skill-detail-section > p {
  margin: 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.6;
  text-wrap: pretty;
}

.skill-detail-summary dl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 16px 0 0;
  border-top: 1px solid var(--control-border);
}

.skill-detail-summary dl > div {
  min-width: 0;
  display: grid;
  gap: 4px;
  padding: 11px 10px 0 0;
}

.skill-detail-summary dt {
  color: var(--muted);
  font-size: 11px;
}

.skill-detail-summary dd {
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 13px;
  font-weight: 640;
}

.skill-detail-section {
  display: grid;
  gap: 12px;
}

.skill-detail-section h3 {
  margin: 0;
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
}

.skill-detail-section .skill-dependency-missing {
  color: var(--warning);
  overflow-wrap: anywhere;
}

.skill-detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-detail-actions button,
.skill-detail-section-head button {
  min-height: 40px;
  padding: 0 13px;
  border: 1px solid var(--control-border);
  border-radius: 9px;
  background: var(--control-bg);
  color: var(--text);
  font-size: 13px;
  font-weight: 640;
}

.skill-detail-actions button.danger {
  color: var(--danger);
}

.skill-detail-actions button:disabled,
.skill-detail-section-head button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.skill-action-note {
  color: var(--success) !important;
  font-size: 13px !important;
}

.skill-detail-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.skill-source-view {
  max-height: min(50dvh, 480px);
  margin: 0;
  padding: 14px;
  overflow: auto;
  border-radius: 9px;
  background: var(--control-bg);
  color: var(--text);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 12px;
  line-height: 1.65;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.skills-primary-button,
.skill-detail-primary,
.skills-tabs button,
.skill-row-detail,
.skill-switch,
.skill-install-dialog button,
.skill-detail-drawer button {
  touch-action: manipulation;
  transition-property: transform, opacity;
  transition-duration: 120ms;
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

.skills-primary-button:active,
.skill-detail-primary:active,
.skills-tabs button:active,
.skill-row-detail:active,
.skill-switch:active,
.skill-install-dialog button:active,
.skill-detail-drawer button:active {
  transform: scale(0.96);
}

.skill-row-detail:focus-visible,
.skills-primary-button:focus-visible,
.skills-tabs button:focus-visible,
.skill-switch:focus-visible,
.skill-install-dialog button:focus-visible,
.skill-detail-drawer button:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--text) 65%, transparent);
  outline-offset: 2px;
}

@media (hover: hover) {
  .skills-list-row:hover {
    background: color-mix(in srgb, var(--control-bg) 62%, transparent);
  }

  .skills-list-row.selected:hover {
    background: var(--control-bg-hover);
  }

  .skills-primary-button:hover,
  .skill-detail-primary:hover {
    opacity: 0.88;
  }

  .skill-install-tabs button:hover,
  .skill-detail-actions button:hover,
  .skill-detail-section-head button:hover {
    background: var(--control-bg-hover);
  }
}

@media (prefers-reduced-motion: reduce) {
  .skills-primary-button,
  .skill-detail-primary,
  .skills-tabs button,
  .skills-tabs button::after,
  .skill-row-detail,
  .skill-switch,
  .skill-switch span,
  .skill-install-dialog button,
  .skill-detail-drawer button {
    transition: none;
  }
}

@media (max-width: 760px) {
  #page-skills .workspace-page {
    min-height: 100%;
    padding: 0 16px 24px;
  }

  .skills-header {
    gap: 12px;
  }

  .skills-header h1 {
    min-width: 0;
  }

  .skills-primary-button {
    flex: 0 0 auto;
  }

  .skills-content {
    gap: 12px;
    padding: 14px 0 0;
  }

  .skills-toolbar {
    flex-wrap: wrap;
  }

  .skills-search,
  .skills-filter {
    width: 100%;
  }

  .skills-list-row {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 11px 12px;
    padding: 15px 8px;
  }

  .skill-row-detail {
    grid-column: 1 / -1;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 11px 12px;
  }

  .skill-row-main {
    grid-column: 1 / -1;
  }

  .skill-row-main p {
    white-space: normal;
  }

  .skill-row-source,
  .skill-row-deps {
    align-self: start;
  }

  .skill-row-deps strong {
    overflow: visible;
    text-overflow: clip;
    white-space: normal;
    overflow-wrap: anywhere;
  }

  .skill-row-status {
    grid-column: 1 / -1;
    justify-content: space-between;
  }

  .skill-install-backdrop {
    align-items: end;
    padding: 0;
  }

  .skill-install-dialog {
    width: 100%;
    max-height: 92dvh;
    border-radius: 16px 16px 0 0;
    padding-bottom: env(safe-area-inset-bottom);
  }

  .skill-install-github-options,
  .skill-preview-facts {
    grid-template-columns: minmax(0, 1fr);
  }

  .skill-preview-facts > div + div {
    border-left: 0;
    border-top: 1px solid var(--control-border);
  }

  .skill-detail-backdrop {
    align-items: flex-end;
  }

  .skill-detail-drawer {
    width: 100%;
    height: min(88dvh, 760px);
    border-radius: 16px 16px 0 0;
    padding-bottom: env(safe-area-inset-bottom);
  }

  .skill-detail-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .skill-detail-actions button {
    width: 100%;
    min-width: 0;
  }
}

/* Slash Skill picker: a compact command list anchored to the composer. */
#page-chat.chat-empty #chat-form.composer {
  position: relative !important;
}

.skill-picker {
  position: absolute;
  z-index: 34;
  left: 50%;
  bottom: calc(100% - 6px);
  width: min(680px, calc(100% - 56px));
  overflow: hidden;
  border: 1px solid var(--control-border);
  border-radius: 14px;
  background: var(--panel-bg);
  color: var(--text);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.08),
    0 14px 38px rgba(0, 0, 0, 0.14);
  transform: translateX(-50%);
}

.skill-picker-options {
  max-height: min(320px, 42dvh);
  padding: 6px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.skill-picker-option {
  width: 100%;
  min-width: 0;
  min-height: 54px;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 7px 9px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--text);
  text-align: left;
  touch-action: manipulation;
  transition-property: transform, opacity;
  transition-duration: 120ms;
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

.skill-picker-option.active {
  background: var(--control-bg-hover);
}

.skill-picker-icon {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--control-bg);
  color: var(--text-soft);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 15px;
  font-weight: 700;
}

.skill-picker-copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.skill-picker-copy strong {
  overflow: hidden;
  color: var(--text);
  font-size: 14px;
  font-weight: 660;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.skill-picker-description {
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.skill-picker-source {
  padding: 3px 7px;
  border-radius: 999px;
  background: var(--control-bg);
  color: var(--muted);
  font-size: 11px;
  line-height: 1.25;
  white-space: nowrap;
}

.skill-picker-empty {
  min-height: 54px;
  display: flex;
  align-items: center;
  padding: 8px 12px;
  color: var(--muted);
  font-size: 13px;
}

.skill-picker-footer {
  min-height: 42px;
  display: flex;
  justify-content: flex-end;
  gap: 4px;
  padding: 4px 6px;
  border-top: 1px solid var(--control-border);
}

.composer-slash-picker .skill-picker-options {
  max-height: min(390px, 48dvh);
}

.composer-slash-picker .skill-picker-option {
  min-height: 50px;
}

.composer-slash-footer {
  align-items: center;
}

.composer-slash-footer > span {
  margin-right: auto;
  padding-left: 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

/* Command help follows the same anchored, keyboard-first pattern as mature coding clients. */
.composer-command-help {
  position: absolute;
  z-index: 36;
  left: 50%;
  bottom: calc(100% - 6px);
  width: min(720px, calc(100% - 56px));
  overflow: hidden;
  border: 1px solid var(--control-border);
  border-radius: 14px;
  background: var(--panel-bg);
  color: var(--text);
  box-shadow:
    0 2px 4px rgba(0, 0, 0, 0.08),
    0 18px 42px rgba(0, 0, 0, 0.16);
  transform: translateX(-50%);
}

.composer-command-help-heading,
.composer-command-help-footer {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
}

.composer-command-help-heading {
  justify-content: space-between;
}

.composer-command-help-heading strong {
  font-size: 14px;
  font-weight: 680;
}

.composer-command-help-heading button,
.composer-command-help-footer button,
.composer-command-help-tabs button {
  min-height: 32px;
  padding: 0 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 620;
}

.composer-command-help-tabs {
  display: flex;
  gap: 2px;
  padding: 0 8px 6px;
  border-bottom: 1px solid var(--control-border);
}

.composer-command-help-tabs button.active {
  background: var(--control-bg-hover);
  color: var(--text);
}

.composer-command-help-search {
  display: block;
  padding: 8px;
}

.composer-command-help-search input {
  width: 100%;
  height: 38px;
  padding: 0 11px;
  border: 1px solid var(--control-border);
  border-radius: 9px;
  outline: 0;
  background: var(--control-bg);
  color: var(--text);
  font: inherit;
  font-size: 14px;
}

.composer-command-help-search input:focus-visible {
  border-color: color-mix(in srgb, var(--text) 58%, var(--control-border));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--text) 10%, transparent);
}

.composer-command-help-list {
  max-height: min(360px, 44dvh);
  padding: 0 6px 6px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.composer-command-help-item {
  width: 100%;
  min-width: 0;
  min-height: 52px;
  display: grid;
  grid-template-columns: minmax(92px, 0.35fr) minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 7px 9px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--text);
  text-align: left;
}

.composer-command-help-item.active {
  background: var(--control-bg-hover);
}

.composer-command-help-item code {
  overflow: hidden;
  color: var(--text);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 13px;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.composer-command-help-copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.composer-command-help-copy strong,
.composer-command-help-copy > span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.composer-command-help-copy strong {
  font-size: 14px;
  font-weight: 650;
}

.composer-command-help-copy > span,
.composer-command-help-source,
.composer-command-help-footer > span,
.composer-command-help-state {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.composer-command-help-source {
  white-space: nowrap;
}

.composer-command-help-state {
  min-height: 64px;
  display: flex;
  align-items: center;
  padding: 10px 12px;
}

.composer-command-help-footer {
  justify-content: flex-end;
  border-top: 1px solid var(--control-border);
}

.composer-command-help-footer > span {
  margin-right: auto;
}

.composer-command-help-heading button:focus-visible,
.composer-command-help-footer button:focus-visible,
.composer-command-help-tabs button:focus-visible,
.composer-command-help-item:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--text) 62%, transparent);
  outline-offset: 1px;
}

@media (hover: hover) {
  .composer-command-help-heading button:hover,
  .composer-command-help-footer button:hover,
  .composer-command-help-tabs button:hover,
  button.composer-command-help-item:hover {
    background: var(--control-bg-hover);
  }
}

@media (max-width: 760px) {
  .composer-command-help {
    left: 0;
    right: 0;
    width: auto;
    margin-inline: 10px;
    transform: none;
  }

  .composer-command-help-item {
    grid-template-columns: minmax(84px, 0.4fr) minmax(0, 1fr);
  }

  .composer-command-help-source,
  .composer-command-help-footer > span {
    display: none;
  }
}

.skill-picker-loading {
  min-height: 34px;
  display: flex;
  align-items: center;
  padding: 5px 12px;
  color: var(--muted);
  font-size: 12px;
}

.skill-picker-footer button {
  min-height: 34px;
  padding: 0 10px;
  border-radius: 8px;
  background: transparent;
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 620;
  touch-action: manipulation;
  transition-property: transform, opacity;
  transition-duration: 120ms;
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

.skill-picker-option:active,
.skill-picker-footer button:active,
.selected-skill-pill button:active {
  transform: scale(0.96);
}

.skill-picker-option:focus-visible,
.skill-picker-footer button:focus-visible,
.selected-skill-pill button:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--text) 62%, transparent);
  outline-offset: 1px;
}

.composer-input-stack {
  min-width: 0;
  display: grid;
  align-self: stretch;
  align-content: center;
}

#chat-form.composer .composer-input-stack textarea {
  width: 100%;
}

.selected-skill-pill {
  width: fit-content;
  max-width: 100%;
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 2px 0 0;
  padding: 3px 4px 3px 8px;
  border: 1px solid var(--control-border);
  border-radius: 999px;
  background: var(--control-bg);
  color: var(--text-soft);
  font-size: 12px;
  line-height: 1;
}

.selected-skill-pill strong {
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.selected-skill-pill button {
  width: 24px;
  min-width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  padding: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 17px;
  line-height: 1;
  touch-action: manipulation;
  transition-property: transform, opacity;
  transition-duration: 120ms;
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

:root[data-theme="mono-dark"] .skill-picker {
  border-color: var(--control-border);
  background: color-mix(in srgb, var(--panel-bg) 94%, #000);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.03),
    0 18px 44px rgba(0, 0, 0, 0.42);
}

@media (hover: hover) {
  .skill-picker-option:hover,
  .skill-picker-footer button:hover,
  .selected-skill-pill button:hover {
    background: var(--control-bg-hover);
  }
}

@media (prefers-reduced-motion: reduce) {
  .skill-picker-option,
  .skill-picker-footer button,
  .selected-skill-pill button {
    transition: none;
  }
}

@media (max-width: 760px) {
  .skill-picker {
    left: 0;
    right: 0;
    width: auto;
    margin-inline: 10px;
    transform: none;
  }

  .skill-picker-option {
    grid-template-columns: 28px minmax(0, 1fr) auto;
    gap: 8px;
    padding-inline: 7px;
  }

  .skill-picker-source {
    padding-inline: 6px;
  }

  .composer-slash-footer > span {
    display: none;
  }
}

/* Seamless conversation-to-composer handoff. */
#page-chat:not(.chat-empty) .messages {
  padding:
    24px
    max(30px, calc((100% - 900px) / 2))
    72px !important;
}

#page-chat:not(.chat-empty) #chat-form.composer {
  z-index: 22;
  margin-top: -38px;
  padding:
    48px
    max(30px, calc((100% - 900px) / 2))
    18px !important;
  border-top: 0 !important;
  background: linear-gradient(180deg, transparent 0%, var(--panel-bg) 55%, var(--panel-bg) 100%) !important;
}

#page-chat:not(.chat-empty) #chat-form.composer .composer-shell {
  width: 100%;
}

:root[data-theme="mono-dark"]
  #page-chat:not(.chat-empty)
  #chat-form.composer {
  background:
    linear-gradient(
      180deg,
      transparent 0%,
      color-mix(in srgb, var(--night-panel) 82%, transparent) 38%,
      var(--night-panel) 72%
    ) !important;
}

@media (max-width: 760px) {
  #page-chat:not(.chat-empty) .messages {
    padding: 18px 16px 66px !important;
  }

  .active-task-anchor {
    margin-top: -2px;
    grid-template-columns: minmax(0, 1fr) auto 18px;
  }

  .active-task-anchor strong {
    display: none;
  }

  .active-task-anchor-metrics {
    display: none;
  }

  #page-chat:not(.chat-empty) #chat-form.composer {
    margin-top: -30px;
    padding: 40px 14px 12px !important;
  }

  #page-chat:not(.chat-empty) #chat-form.composer textarea {
    font-size: 14px !important;
  }
}

/* Durable Agent plan: the plan is primary; execution trace stays nested. */
.agent-task-plan {
  min-width: 0;
  display: grid;
  gap: 12px;
}

.agent-task-steps {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.agent-task-step {
  position: relative;
  min-width: 0;
}

.agent-task-step:not(:last-child)::after {
  content: "";
  position: absolute;
  z-index: 0;
  top: 28px;
  bottom: -8px;
  left: 10px;
  width: 1px;
  background: var(--control-border);
}

.agent-task-step > button {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: 42px;
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  padding: 6px 8px 6px 0;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  text-align: left;
  box-shadow: none;
}

.agent-task-step.selected > button {
  background: var(--control-bg);
}

.agent-task-step-marker {
  width: 9px;
  height: 9px;
  margin-left: 6px;
  border: 1px solid var(--muted);
  border-radius: 50%;
  background: var(--surface);
}

.agent-task-step.completed .agent-task-step-marker {
  border-color: var(--success);
  background: var(--success);
}

.agent-task-step.running .agent-task-step-marker,
.agent-task-step.planning .agent-task-step-marker {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 14%, transparent);
  animation: agent-trace-pulse 1.6s cubic-bezier(0.16, 1, 0.3, 1) infinite alternate;
}

.agent-task-step.waiting_approval .agent-task-step-marker,
.agent-task-step.waiting_start .agent-task-step-marker {
  border-color: var(--warning);
  background: var(--warning);
}

.agent-task-step.failed .agent-task-step-marker,
.agent-task-step.interrupted .agent-task-step-marker {
  border-color: var(--danger);
  background: var(--danger);
}

.agent-task-step-title {
  min-width: 0;
  overflow: hidden;
  font-size: 13px;
  font-weight: 650;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-task-step-status {
  color: var(--muted);
  font-size: 11px;
  font-weight: 620;
  white-space: nowrap;
}

.agent-task-step-trace {
  margin: 2px 0 8px 20px;
  padding: 6px 0 6px 8px;
  border-left: 1px solid var(--control-border);
}

.agent-task-step-empty {
  margin: 0;
  padding: 2px 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.agent-task-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-left: 20px;
}

.agent-task-actions:empty {
  display: none;
}

.agent-task-actions button {
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--control-border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 12px;
  font-weight: 670;
}

.agent-task-actions button.primary {
  border-color: var(--inverse-bg);
  background: var(--inverse-bg);
  color: var(--inverse-text);
}

.agent-task-actions button:disabled {
  cursor: wait;
  opacity: 0.62;
}

.agent-task-action-feedback {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.agent-task-action-feedback.failed {
  color: var(--danger, #c45a5a);
}

.agent-recovery-panel {
  display: grid;
  gap: 12px;
  margin: 0 0 14px;
  padding: 14px;
  border: 1px solid var(--control-border);
  border-radius: 12px;
  background: var(--surface);
}

.agent-recovery-panel.compact {
  gap: 10px;
  margin: 12px 0 0;
  padding: 12px;
  border-radius: 10px;
}

.agent-recovery-panel.compact .agent-recovery-heading p {
  font-size: 14px;
}

.agent-recovery-panel.compact .agent-recovery-actions,
.agent-recovery-panel.compact .agent-recovery-metrics {
  margin-left: 17px;
}

.agent-recovery-heading {
  display: flex;
  align-items: flex-start;
  gap: 9px;
}

.agent-recovery-signal {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  margin-top: 5px;
  border-radius: 50%;
  background: var(--danger);
}

.agent-recovery-copy {
  flex: 1 1 auto;
  min-width: 0;
}

.agent-recovery-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.agent-recovery-heading strong {
  color: var(--text);
  font-size: 15px;
  font-weight: 720;
  line-height: 1.4;
}

.agent-recovery-state {
  flex: 0 0 auto;
  padding: 3px 7px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--danger) 9%, var(--control-bg));
  color: var(--danger);
  font-size: 12px;
  font-weight: 680;
  line-height: 1.35;
}

.agent-recovery-panel.needs-config .agent-recovery-state {
  background: color-mix(in srgb, var(--warning) 12%, var(--control-bg));
  color: var(--warning);
}

.agent-recovery-heading p {
  margin: 4px 0 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.55;
}

.agent-recovery-reason {
  margin: 0 0 0 17px;
  color: var(--text);
  font-size: 14px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.agent-recovery-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0 0 0 17px;
  padding: 9px 0;
  border-block: 1px solid var(--control-border);
}

.agent-recovery-metrics > div {
  min-width: 0;
  padding: 0 12px;
  border-left: 1px solid var(--control-border);
}

.agent-recovery-metrics > div:first-child {
  padding-left: 0;
  border-left: 0;
}

.agent-recovery-metrics dt {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.agent-recovery-metrics dd {
  margin: 2px 0 0;
  color: var(--text);
  font-size: 14px;
  font-weight: 680;
  line-height: 1.35;
}

.agent-recovery-meta {
  min-width: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 10px;
  padding-left: 17px;
  color: var(--muted);
  font-size: 12px;
}

.agent-recovery-code {
  max-width: 100%;
  overflow: hidden;
  padding: 2px 6px;
  border-radius: 5px;
  background: var(--control-bg);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-recovery-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-left: 17px;
}

.agent-recovery-actions button {
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid var(--control-border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
  font-weight: 670;
}

.agent-recovery-actions button.primary {
  border-color: var(--inverse-bg);
  background: var(--inverse-bg);
  color: var(--inverse-text);
}

.agent-recovery-actions button:focus-visible,
.agent-recovery-jump:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.agent-recovery-actions button:disabled {
  cursor: wait;
  opacity: 0.62;
}

.agent-recovery-feedback {
  margin: 0;
  padding-left: 17px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

@media (max-width: 640px) {
  .agent-recovery-title-row {
    align-items: flex-start;
  }

  .agent-recovery-metrics {
    grid-template-columns: 1fr;
  }

  .agent-recovery-metrics > div,
  .agent-recovery-metrics > div:first-child {
    padding: 6px 0;
    border-left: 0;
  }
}

.agent-recovery-feedback.failed {
  color: var(--danger);
}

.agent-task-plan.compact {
  width: min(620px, 88%);
  margin: 0 0 12px;
  padding: 12px;
  border: 1px solid var(--control-border);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface) 94%, var(--accent));
}

/* Progressive task capsule: compact at rest, live and inspectable while running. */
.agent-turn-run-block {
  width: 100%;
  min-width: 0;
  contain: layout paint;
}

.agent-turn-answer {
  min-width: 0;
}

.agent-turn-answer:empty {
  display: none;
}

.agent-evidence-strip {
  width: 100%;
  min-height: 42px;
  margin: 14px 0 4px;
  padding: 8px 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--control-border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  text-align: left;
}

.agent-evidence-strip:hover {
  border-color: color-mix(in srgb, var(--accent) 34%, var(--control-border));
  background: color-mix(in srgb, var(--accent) 3%, var(--surface));
}

.agent-evidence-strip-label {
  flex: 0 0 auto;
  font-weight: 680;
}

.agent-evidence-strip-items {
  min-width: 0;
  flex: 1;
  display: flex;
  align-items: center;
  gap: 6px;
  overflow: hidden;
  color: var(--muted);
  font-size: 13px;
}

.agent-evidence-source {
  max-width: 220px;
  padding: 3px 7px;
  overflow: hidden;
  border-radius: 6px;
  background: var(--surface-soft);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-evidence-source small {
  margin-left: 5px;
  color: var(--muted);
}

.agent-evidence-strip > svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  color: var(--muted);
}

.agent-task-capsule {
  width: 100%;
  margin: 0 0 14px;
  overflow: hidden;
  border: 1px solid var(--control-border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  box-shadow: none;
}

.agent-task-capsule.running {
  border-color: color-mix(in srgb, var(--accent) 34%, var(--control-border));
  background: color-mix(in srgb, var(--accent) 4%, var(--surface));
}

.agent-task-capsule.waiting {
  border-color: color-mix(in srgb, var(--warning) 34%, var(--control-border));
}

.agent-task-capsule.warning {
  border-color: color-mix(in srgb, var(--warning) 26%, var(--control-border));
}

.agent-task-capsule.failed {
  border-color: color-mix(in srgb, var(--danger) 30%, var(--control-border));
}

.agent-task-capsule.settled:not(.expanded) {
  margin-bottom: 10px;
  border-color: transparent;
  border-radius: 0;
  background: transparent;
}

.agent-task-capsule.settled:not(.expanded) .agent-task-capsule-head {
  min-height: 38px;
  gap: 10px;
  padding: 2px 0;
}

.agent-task-capsule.settled:not(.expanded) .agent-task-capsule-toggle {
  min-height: 36px;
  gap: 8px;
  padding: 0;
}

.agent-task-capsule.settled:not(.expanded) .agent-task-capsule-toggle strong {
  font-size: 14px;
  font-weight: 680;
}

.agent-task-capsule.settled:not(.expanded) .agent-task-capsule-metrics {
  padding: 0;
  background: transparent;
}

.agent-task-capsule.settled:not(.expanded) .agent-task-capsule-status {
  min-width: 0;
  padding: 0;
  background: transparent;
}

.agent-task-capsule.settled:not(.expanded) .agent-task-capsule-progress {
  display: none;
}

.agent-task-capsule-head {
  min-height: 62px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: 10px 12px;
}

.agent-task-capsule-toggle {
  min-width: 0;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0 6px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--text);
  box-shadow: none;
  cursor: pointer;
}

.agent-task-capsule-toggle strong {
  overflow: hidden;
  font-size: 15px;
  font-weight: 740;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-task-capsule-title {
  min-width: 0;
  display: grid;
  gap: 2px;
  text-align: left;
}

.agent-task-capsule-summary {
  overflow: hidden;
  color: var(--muted);
  font-size: 13px;
  font-weight: 560;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-task-capsule-chevron {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  color: var(--muted);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  transform: rotate(-90deg);
  transition: transform 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

.agent-task-capsule.expanded .agent-task-capsule-chevron {
  transform: rotate(0deg);
}

.agent-task-capsule.settled .agent-task-capsule-chevron {
  color: var(--success);
  transform: none;
}

.agent-task-capsule-meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.agent-task-capsule-metrics {
  padding: 6px 9px;
  border-radius: 999px;
  background: var(--control-bg);
  color: var(--text-soft);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.agent-task-capsule-status {
  min-width: 64px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--control-bg);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  white-space: nowrap;
}

.agent-task-capsule.running .agent-task-capsule-progress > span,
.agent-task-capsule.waiting .agent-task-capsule-progress > span {
  background: var(--accent);
}

.agent-task-capsule.failed .agent-task-capsule-progress > span {
  background: var(--danger);
}

.agent-task-capsule.warning .agent-task-capsule-progress > span {
  background: var(--warning);
}

.agent-task-capsule-status.running,
.agent-task-capsule-status.success {
  background: color-mix(in srgb, var(--success) 11%, var(--surface));
  color: color-mix(in srgb, var(--success) 78%, var(--text));
}

.agent-task-capsule-status.waiting {
  background: color-mix(in srgb, var(--warning) 12%, var(--surface));
  color: color-mix(in srgb, var(--warning) 86%, var(--text));
}

.agent-task-capsule-status.warning {
  background: color-mix(in srgb, var(--warning) 12%, var(--surface));
  color: color-mix(in srgb, var(--warning) 86%, var(--text));
}

.agent-task-capsule-status.failed {
  background: color-mix(in srgb, var(--danger) 10%, var(--surface));
  color: var(--danger);
}

.agent-task-capsule-disclosure {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition:
    grid-template-rows 200ms cubic-bezier(0.16, 1, 0.3, 1),
    opacity 150ms ease;
}

.agent-task-capsule.expanded .agent-task-capsule-disclosure {
  grid-template-rows: 1fr;
  opacity: 1;
}

.agent-task-capsule-body {
  min-height: 0;
  display: grid;
  gap: 12px;
  overflow: hidden;
  padding: 0 14px;
  border-top: 1px solid transparent;
}

.agent-task-capsule-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.agent-task-capsule-section-head strong {
  color: var(--text);
  font-size: 13px;
  font-weight: 720;
}

.agent-task-capsule-section-head span {
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.agent-task-capsule.expanded .agent-task-capsule-body {
  padding-block: 11px 12px;
  border-top-color: var(--control-border);
}

.agent-task-capsule-steps {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.agent-task-capsule-steps li {
  min-width: 0;
  position: relative;
  padding: 0;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.4;
}

.agent-task-capsule-step-button {
  width: 100%;
  min-width: 0;
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr) 18px;
  align-items: start;
  gap: 9px;
  padding: 6px 5px 7px 2px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: inherit;
  text-align: left;
  box-shadow: none;
  cursor: pointer;
}

.agent-task-capsule-steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 20px;
  bottom: -6px;
  left: 6px;
  width: 1px;
  background: var(--control-border);
}

.agent-task-capsule-steps li.current {
  border-radius: 8px;
  background: var(--control-bg);
}

.agent-task-capsule-steps li.selected > .agent-task-capsule-step-button {
  background: var(--control-bg-hover);
}

.agent-task-capsule-steps li.selected .agent-task-capsule-step-copy strong {
  color: var(--text);
  font-weight: 700;
}

.agent-task-capsule-steps li.selected .agent-task-capsule-step-open {
  opacity: 1;
}

.agent-task-capsule-step-open {
  align-self: center;
  color: var(--muted);
  font-size: 12px;
  opacity: 0;
  transition: opacity 140ms ease, transform 160ms cubic-bezier(0.16, 1, 0.3, 1);
}

.agent-task-capsule-step-button:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 70%, transparent);
  outline-offset: 1px;
}

.agent-task-capsule-step-copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.agent-task-capsule-step-copy strong {
  overflow: hidden;
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 620;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-task-capsule-step-copy small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.agent-task-capsule-steps li.current .agent-task-capsule-step-copy strong {
  color: var(--text);
  font-weight: 700;
}

.agent-task-capsule-step-icon {
  position: relative;
  z-index: 1;
  width: 9px;
  height: 9px;
  margin-top: 4px;
  border: 1px solid var(--muted);
  border-radius: 50%;
}

.agent-task-capsule-steps li.success .agent-task-capsule-step-icon,
.agent-task-capsule-steps li.completed .agent-task-capsule-step-icon {
  border-color: var(--success);
  background: var(--success);
  box-shadow: inset 0 0 0 2px var(--surface);
}

.agent-task-capsule-steps li.running .agent-task-capsule-step-icon,
.agent-task-capsule-steps li.planning .agent-task-capsule-step-icon {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 13%, transparent);
  animation: agent-trace-pulse 1.4s ease-in-out infinite alternate;
}

.agent-task-capsule-steps li.failed .agent-task-capsule-step-icon,
.agent-task-capsule-steps li.interrupted .agent-task-capsule-step-icon {
  border-color: var(--danger);
  background: var(--danger);
}

.agent-task-capsule-more {
  color: var(--muted);
  font-size: 12px;
}

.agent-task-capsule-outcomes {
  display: grid;
  gap: 7px;
  padding-top: 10px;
  border-top: 1px solid var(--control-border);
}

.agent-task-capsule-outcomes > strong {
  color: var(--text);
  font-size: 13px;
  font-weight: 720;
}

.agent-task-capsule-outcomes > div {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.agent-task-capsule-outcomes button {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 0 9px;
  border: 1px solid var(--control-border);
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  box-shadow: none;
  cursor: pointer;
  font-size: 12px;
}

.agent-task-capsule-outcomes button b {
  color: var(--text-soft);
  font-weight: 680;
}

.agent-task-capsule-outcomes button.passed b {
  color: var(--success);
}

.agent-task-capsule-outcomes button.failed b {
  color: var(--danger);
}

.agent-task-capsule-outcomes button:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 70%, transparent);
  outline-offset: 1px;
}

.agent-context-pressure {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 7px 12px;
  padding: 8px 10px;
  border: 1px solid color-mix(in srgb, var(--warning) 28%, var(--control-border));
  border-radius: 9px;
  background: color-mix(in srgb, var(--warning) 5%, var(--surface));
}

.agent-context-pressure.trimmed {
  border-color: color-mix(in srgb, var(--success) 28%, var(--control-border));
  background: color-mix(in srgb, var(--success) 5%, var(--surface));
}

.agent-context-pressure > div {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
}

.agent-context-pressure > div > strong {
  color: var(--text);
  font-size: 12px;
  font-weight: 680;
}

.agent-context-pressure > div > span {
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.agent-context-pressure-track {
  grid-column: 1 / -1;
  height: 3px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--control-bg);
}

.agent-context-pressure-track > i {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: inherit;
  background: var(--warning);
  transform-origin: left center;
}

.agent-context-pressure.trimmed .agent-context-pressure-track > i {
  background: var(--success);
}

.agent-task-capsule-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.agent-task-capsule-detail {
  width: max-content;
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 9px;
  border: 1px solid var(--control-border);
  border-radius: 8px;
  background: transparent;
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 660;
  box-shadow: none;
  cursor: pointer;
}

@media (hover: hover) {
  .agent-task-step > button:hover {
    background: var(--control-bg-hover);
  }

  .agent-task-actions button:hover {
    border-color: color-mix(in srgb, var(--text) 22%, var(--control-border));
  }

  .agent-recovery-actions button:hover {
    border-color: color-mix(in srgb, var(--text) 24%, var(--control-border));
    background: var(--control-bg-hover);
  }

  .agent-task-capsule-toggle:hover,
  .agent-task-capsule-detail:hover,
  .agent-task-capsule-outcomes button:hover,
  .agent-task-capsule-step-button:hover {
    background: var(--control-bg-hover);
    color: var(--text);
  }

  .agent-task-capsule-step-button:hover .agent-task-capsule-step-open,
  .agent-task-capsule-step-button:focus-visible .agent-task-capsule-step-open {
    opacity: 1;
    transform: translate(1px, -1px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .agent-task-step.running .agent-task-step-marker,
  .agent-task-step.planning .agent-task-step-marker {
    animation: none;
  }

  .agent-task-capsule-chevron,
  .agent-task-capsule-disclosure,
  .agent-run-progress > span,
  .agent-task-capsule-progress > span {
    transition: none;
  }

  .agent-task-capsule-steps li.running .agent-task-capsule-step-icon,
  .agent-task-capsule-steps li.planning .agent-task-capsule-step-icon {
    animation: none;
  }
}

@media (max-width: 760px) {
  .agent-task-capsule-head {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .agent-task-capsule.settled:not(.expanded) .agent-task-capsule-head {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
  }

  .agent-task-capsule.settled:not(.expanded) .agent-task-capsule-meta {
    min-width: 0;
    padding: 0;
  }

  .agent-task-capsule.settled:not(.expanded) .agent-task-capsule-metrics {
    max-width: 42vw;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .agent-task-capsule-meta {
    justify-content: space-between;
    padding: 0 6px 3px;
  }

  .agent-task-capsule-status {
    min-width: 60px;
  }

  .agent-task-plan.compact {
    width: 100%;
  }
}

@media (max-width: 520px) {
  .agent-recovery-actions {
    padding-left: 0;
  }

  .agent-recovery-actions button {
    flex: 1 1 140px;
  }
}

.agent-question-prompt {
  min-width: 0;
  display: grid;
  gap: 10px;
  margin: 12px 0;
  padding: 14px;
  border: 1px solid var(--control-border);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: 0 4px 16px rgba(19, 26, 34, 0.07);
}

.agent-question-header {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

.agent-question-header span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.agent-question-text {
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.agent-question-options {
  display: grid;
  gap: 7px;
  margin-top: 11px;
}

.agent-question-option {
  display: grid;
  gap: 2px;
  width: 100%;
  padding: 10px 11px;
  border: 1px solid var(--control-border);
  border-radius: 10px;
  background: var(--surface);
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.agent-question-option:hover:not(:disabled),
.agent-question-option:focus-visible {
  border-color: var(--accent, #d97757);
  background: color-mix(in srgb, var(--accent, #d97757) 7%, var(--surface));
  outline: none;
}

.agent-question-option-description {
  color: var(--muted);
  font-size: 13px;
  font-weight: 450;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.agent-question-custom {
  display: flex;
  gap: 8px;
  margin-top: 9px;
}

.agent-question-custom input {
  min-width: 0;
  flex: 1;
  padding: 9px 11px;
  border: 1px solid var(--control-border);
  border-radius: 10px;
  background: var(--surface);
  color: inherit;
  font-size: 16px;
}

.agent-question-custom button {
  padding: 9px 14px;
  border: 0;
  border-radius: 10px;
  background: var(--accent, #d97757);
  color: var(--inverse-text);
}

.agent-question-error {
  margin-top: 8px;
  color: var(--danger);
  font-size: 13px;
}

.agent-interaction-owner {
  min-width: 0;
}

.agent-interaction-owner[data-interaction-active="false"]
  :is(.agent-approval-prompt, .agent-question-prompt) {
  background: var(--surface-soft);
  box-shadow: none;
}

.agent-interaction-owner :is(button, input):focus-visible,
.agent-approval-jump:focus-visible,
.agent-question-jump:focus-visible,
.agent-recovery-jump:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.agent-question-prompt :is(button, input):disabled {
  cursor: wait;
  opacity: 0.62;
}

@media (max-width: 520px) {
  .agent-recovery-jump {
    margin-left: 0;
  }
  .agent-question-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
  }

  .agent-question-custom {
    display: grid;
  }

  .agent-question-custom button {
    min-height: 42px;
  }
}

/* Running follow-up queue: keep the composer usable without competing with the transcript. */
.composer-agent-state {
  min-width: 0;
  min-height: 34px;
  display: grid;
  grid-template-columns: 9px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  margin: 0 9px 7px;
  padding: 4px 2px;
  color: var(--muted);
}

.composer-agent-state-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.composer-agent-state.running .composer-agent-state-dot {
  animation: composer-agent-pulse 1.5s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}

.composer-agent-state.approval .composer-agent-state-dot,
.composer-agent-state.question .composer-agent-state-dot,
.composer-agent-state.waiting .composer-agent-state-dot {
  background: var(--warning);
}

.composer-agent-state.failed .composer-agent-state-dot {
  background: var(--danger);
}

.composer-agent-state.completed .composer-agent-state-dot {
  background: var(--success);
}

.composer-agent-state-copy {
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
  overflow: hidden;
}

.composer-agent-state-copy strong {
  flex: 0 0 auto;
  color: var(--text);
  font-size: 13px;
  font-weight: 680;
  line-height: 1.4;
}

.composer-agent-state-copy span {
  min-width: 0;
  overflow: hidden;
  font-size: 13px;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.composer-agent-state > button {
  min-height: 30px;
  padding: 4px 9px;
  border: 0;
  border-radius: 8px;
  background: var(--control-bg);
  color: var(--text-secondary, var(--text));
  font-size: 13px;
  font-weight: 650;
  cursor: pointer;
}

.composer-agent-state > button:hover {
  background: var(--control-bg-hover);
  color: var(--text);
}

.composer-agent-state > button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.composer-follow-up {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 30px;
  align-items: center;
  gap: 4px;
  margin: 0 5px 5px;
  color: var(--muted);
}

.composer-follow-up-accept,
.composer-follow-up-dismiss {
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.composer-follow-up-accept {
  min-width: 0;
  min-height: 32px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  padding: 4px 7px;
  border-radius: 9px;
  text-align: start;
}

.composer-follow-up-accept:hover,
.composer-follow-up-accept:focus-visible,
.composer-follow-up-dismiss:hover,
.composer-follow-up-dismiss:focus-visible {
  background: var(--control-bg-hover);
  color: var(--text);
}

.composer-follow-up-accept:focus-visible,
.composer-follow-up-dismiss:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.composer-follow-up-label {
  color: var(--accent);
  font-size: 13px;
  font-weight: 680;
}

.composer-follow-up-text {
  min-width: 0;
  overflow: hidden;
  color: var(--text-secondary, var(--text));
  font-size: 14px;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.composer-follow-up kbd {
  min-width: 30px;
  padding: 1px 5px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--control-bg);
  color: var(--muted);
  font: 600 11px/1.5 var(--font-ui);
  text-align: center;
}

.composer-follow-up-dismiss {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 8px;
}

.composer-follow-up-dismiss svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 1.7;
}

@keyframes composer-agent-pulse {
  0%, 100% {
    opacity: 0.45;
    transform: scale(0.82);
  }
  50% {
    opacity: 1;
    transform: scale(1.08);
  }
}

#chat-form.composer .composer-queue {
  display: grid;
  gap: 4px;
  margin: 0 8px 7px;
  padding: 8px 10px 7px;
  border-top: 1px solid var(--border);
  color: var(--muted);
}

#chat-form.composer .composer-queue-heading,
#chat-form.composer .composer-queue-row {
  display: grid;
  align-items: center;
  min-width: 0;
}

#chat-form.composer .composer-queue-heading {
  grid-template-columns: minmax(0, 1fr) auto;
  min-height: 28px;
  font-size: 14px;
}

#chat-form.composer .composer-queue-heading strong {
  color: var(--text);
  font-size: 14px;
}

#chat-form.composer .composer-queue-heading > span {
  display: flex;
  gap: 8px;
}

#chat-form.composer .composer-queue button {
  min-height: 28px;
  padding: 0 5px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  cursor: pointer;
}

#chat-form.composer .composer-queue button:hover,
#chat-form.composer .composer-queue button:focus-visible {
  color: var(--text);
}

#chat-form.composer .composer-queue button:disabled {
  color: var(--muted);
  cursor: not-allowed;
  opacity: 0.56;
}

#chat-form.composer .composer-queue-row {
  grid-template-columns: 18px minmax(0, 1fr) auto auto auto;
  gap: 4px;
  min-height: 32px;
  font-size: 14px;
}

#chat-form.composer .composer-queue-list {
  display: grid;
  gap: 2px;
  min-width: 0;
}

#chat-form.composer .composer-queue-index {
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

#chat-form.composer .composer-queue-row p {
  overflow: hidden;
  margin: 0;
  color: var(--text-secondary, var(--text));
  text-overflow: ellipsis;
  white-space: nowrap;
}

#chat-form.composer .composer-queue-priority {
  min-width: 68px;
  min-height: 26px;
  padding: 2px 20px 2px 7px;
  border: 1px solid transparent;
  border-radius: 7px;
  background: var(--surface-soft);
  color: var(--muted);
  font: inherit;
  cursor: pointer;
}

#chat-form.composer .composer-queue-priority:hover,
#chat-form.composer .composer-queue-priority:focus-visible {
  border-color: var(--border-strong);
  color: var(--text);
  outline: 2px solid transparent;
}

#chat-form.composer .composer-queue-priority.priority-now {
  color: var(--accent);
  font-weight: 650;
}

#chat-form.composer .composer-queue-more {
  padding-left: 18px;
  font-size: 14px;
}

@media (max-width: 520px) {
  .composer-agent-state {
    grid-template-columns: 9px minmax(0, 1fr);
    margin-inline: 5px;
  }

  .composer-agent-state-copy {
    display: grid;
    gap: 1px;
  }

  .composer-agent-state-copy span {
    white-space: normal;
  }

  .composer-agent-state > button {
    grid-column: 2;
    justify-self: start;
  }

  .composer-follow-up {
    margin-inline: 2px;
  }

  .composer-follow-up-accept {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .composer-follow-up kbd {
    display: none;
  }

  #chat-form.composer .composer-queue {
    margin-inline: 4px;
  }

  #chat-form.composer .composer-queue-row {
    grid-template-columns: 18px minmax(0, 1fr) auto auto;
  }

  #chat-form.composer .composer-queue-priority {
    grid-column: 2 / 3;
    justify-self: start;
  }

  #chat-form.composer .composer-queue-row p {
    grid-column: 2 / -1;
  }

  #chat-form.composer .composer-queue-row .composer-queue-action:first-of-type {
    grid-column: 3;
  }
}

/* CLI browser authorization */
.cli-device-page {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 32px;
  background: #fff;
}

.cli-device-card {
  width: min(100%, 440px);
  padding: 30px;
  border: 1px solid #dededb;
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 20px 55px rgba(24, 24, 22, 0.08);
  text-align: center;
}

.cli-device-brand {
  width: 48px;
  height: 48px;
  margin: 0 auto 20px;
}

.cli-device-brand svg { width: 100%; height: 100%; }

.cli-device-card h1 {
  margin: 0 0 12px;
  font-size: 24px;
  line-height: 1.25;
}

.cli-device-card p {
  margin: 0;
  color: #5f5f5b;
  font-size: 15px;
  line-height: 1.65;
}

.cli-device-code {
  margin: 24px 0;
  padding: 15px;
  border: 1px solid #d7d7d3;
  border-radius: 14px;
  background: #fafaf9;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.cli-device-error {
  margin: -8px 0 18px;
  color: #b42318;
  font-size: 14px;
}

.cli-device-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 24px;
}

.cli-device-actions button {
  min-height: 44px;
  border-radius: 12px;
  font-weight: 650;
}

.cli-device-actions .secondary {
  border: 1px solid #d7d7d3;
  background: #fff;
  color: #1b1b19;
}

.cli-device-actions .primary {
  border: 1px solid #171715;
  background: #171715;
  color: #fff;
}

.cli-device-actions button:disabled { cursor: not-allowed; opacity: 0.5; }

@media (max-width: 560px) {
  .cli-device-page { padding: 18px; }
  .cli-device-card { padding: 24px 20px; border-radius: 20px; }
}

/* Memory: compact controls and a readable, single-column memory ledger. */
#page-memory .workspace-page {
  min-height: 100vh;
  margin: 0;
  padding: 0 24px 32px;
  border: 0 !important;
  border-radius: 0 !important;
  background: var(--workspace-bg) !important;
  box-shadow: none !important;
  overflow: visible;
}

.memory-workspace {
  width: min(920px, 100%);
}

.memory-header {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--control-border);
}

.memory-title,
.memory-enable,
.memory-toolbar,
.memory-toolbar > div,
.memory-item-meta,
.memory-item-meta > div,
.memory-editor > div {
  display: flex;
  align-items: center;
}

.memory-title {
  min-width: 0;
  gap: 10px;
}

.memory-title h1 {
  margin: 0;
  color: var(--text);
  font-size: 22px;
  font-weight: 740;
  line-height: 1.2;
}

.memory-title span {
  color: var(--muted);
  font-size: 12px;
}

.memory-enable {
  gap: 10px;
}

.memory-enable strong {
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

.memory-switch {
  width: 38px;
  height: 22px;
  position: relative;
  padding: 0;
  border: 1px solid var(--control-border);
  border-radius: 999px;
  background: var(--control-bg);
  transition: background 140ms ease, border-color 140ms ease;
}

.memory-switch span {
  width: 16px;
  height: 16px;
  position: absolute;
  top: 2px;
  left: 3px;
  border-radius: 50%;
  background: var(--muted);
  transition: transform 140ms cubic-bezier(0.16, 1, 0.3, 1), background 140ms ease;
}

.memory-switch[aria-checked="true"] {
  border-color: var(--success);
  background: var(--success);
}

.memory-switch[aria-checked="true"] span {
  background: #fff;
  transform: translateX(15px);
}

.memory-switch:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.memory-unavailable,
.memory-empty {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.memory-unavailable {
  margin-top: 18px;
  padding: 12px 14px;
  border: 1px solid color-mix(in srgb, var(--warning) 18%, var(--line));
  border-radius: 12px;
  background: color-mix(in srgb, var(--warning) 6%, var(--surface));
}

.memory-toolbar {
  min-height: 58px;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--control-border);
}

.memory-toolbar strong {
  color: var(--text);
  font-size: 14px;
  font-weight: 680;
}

.memory-toolbar > div,
.memory-item-meta > div,
.memory-editor > div {
  gap: 6px;
}

.memory-toolbar button,
.memory-item-meta button,
.memory-editor button {
  min-height: 32px;
  padding: 0 10px;
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.memory-toolbar button:not(:disabled):hover,
.memory-item-meta button:not(:disabled):hover,
.memory-editor button:not(:disabled):hover {
  background: var(--control-bg-hover);
  color: var(--text);
}

.memory-toolbar button.danger,
.memory-item-meta button.danger {
  color: var(--danger);
}

.memory-toolbar button:disabled,
.memory-item-meta button:disabled,
.memory-editor button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.memory-list {
  min-width: 0;
}

.memory-empty {
  padding: 42px 0;
  text-align: center;
}

.memory-item {
  padding: 18px 2px;
  border-bottom: 1px solid var(--control-border);
}

.memory-item-content {
  margin: 0 0 10px;
  color: var(--text);
  font-size: 15px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.memory-item-meta {
  min-width: 0;
  justify-content: space-between;
  gap: 12px;
}

.memory-item-meta > span {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.memory-editor {
  display: grid;
  gap: 10px;
}

.memory-editor textarea {
  width: 100%;
  min-height: 104px;
  padding: 11px 12px;
  resize: vertical;
  border: 1px solid var(--control-border);
  border-radius: 9px;
  background: var(--control-bg);
  color: var(--text);
  font: inherit;
  line-height: 1.6;
}

.memory-editor textarea:focus {
  border-color: var(--text);
  outline: none;
}

@media (max-width: 760px) {
  #page-memory .workspace-page {
    min-height: 100%;
    padding: 0 16px 24px;
  }

  .memory-header {
    min-height: 64px;
  }

  .memory-title h1 {
    font-size: 20px;
  }

  .memory-item {
    padding-block: 15px;
  }
}
.memory-activity-status {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-size: 13px;
  gap: 8px;
  margin-top: 14px;
}

.memory-activity-status > button:first-child {
  align-items: center;
  background: transparent;
  border: 0;
  color: inherit;
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  gap: 7px;
  min-width: 0;
  padding: 3px 0;
}

.memory-activity-status > button:first-child:hover {
  color: var(--text);
}

.memory-activity-signal {
  background: #15877b;
  border-radius: 50%;
  flex: 0 0 7px;
  height: 7px;
  width: 7px;
}

.memory-activity-status.queued .memory-activity-signal,
.memory-activity-status.running .memory-activity-signal {
  animation: memory-activity-pulse 1.5s ease-in-out infinite;
}

.memory-activity-status.failed {
  color: #b42318;
}

.memory-activity-status.failed .memory-activity-signal {
  background: #b42318;
}

.memory-activity-retry {
  background: transparent;
  border: 0;
  color: inherit;
  cursor: pointer;
  font: inherit;
  font-weight: 650;
  padding: 3px 2px;
}

.memory-activity-retry:disabled {
  cursor: wait;
  opacity: 0.58;
}

.agent-trace-memory-items {
  display: grid;
  gap: 10px;
}

.agent-trace-memory-items ul {
  display: grid;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.agent-trace-memory-items li {
  border-top: 1px solid var(--border);
  display: grid;
  gap: 4px;
  padding-top: 8px;
}

.agent-trace-memory-items li > span {
  color: var(--muted);
  font-size: 12px;
}

.agent-trace-memory-items p {
  margin: 0;
  overflow-wrap: anywhere;
}

.agent-trace-memory-items button {
  background: transparent;
  border: 0;
  color: var(--text);
  cursor: pointer;
  font: inherit;
  font-weight: 650;
  justify-self: start;
  padding: 2px 0;
}

@keyframes memory-activity-pulse {
  0%,
  100% {
    opacity: 0.42;
    transform: scale(0.82);
  }
  50% {
    opacity: 1;
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .memory-activity-status .memory-activity-signal {
    animation: none;
  }
}

/* Settings workspace typography foundation: compact, calm, and tool-first. */
:root {
  --font-size-page-title: 26px;
  --font-size-section-title: 17px;
  --font-size-body: 14px;
  --font-size-meta: 12px;
  --line-height-body: 1.5;
  --control-height: 40px;
  --control-height-compact: 32px;
}

body {
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
}

input,
select,
textarea {
  font-size: var(--font-size-body);
}

input,
select {
  min-height: var(--control-height);
}

.page-header h1,
.settings-header h1 {
  font-size: var(--font-size-page-title);
  font-weight: 720;
  line-height: 1.25;
}

.sidebar .nav-item,
.sidebar .sidebar-tool,
.sidebar .new-chat-button {
  font-size: var(--font-size-body);
}

#page-settings .settings-workspace {
  min-height: 100%;
  overflow: hidden;
}

#page-settings .settings-header {
  min-height: 76px;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 28px;
}

#page-settings .settings-header > button {
  min-height: var(--control-height);
  padding: 0 15px;
  border-radius: 9px;
  background: var(--inverse-bg);
  color: var(--inverse-text);
  font-size: var(--font-size-body);
  font-weight: 680;
  transition-property: transform, opacity, background-color;
  transition-duration: 150ms;
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

#page-settings .settings-header > button:active {
  transform: scale(0.96);
}

.settings-workspace-shell {
  min-height: 600px;
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  margin: 18px 24px 24px;
  overflow: hidden;
  border: 1px solid var(--control-border);
  border-radius: 14px;
  background: var(--panel-bg);
}

.model-config-list {
  min-width: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  border-right: 1px solid var(--control-border);
  background: var(--panel-bg);
}

.model-config-list-header {
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 15px;
  border-bottom: 1px solid var(--control-border);
}

.model-config-list-header strong {
  font-size: var(--font-size-body);
  font-weight: 680;
}

.model-config-list-header span {
  min-width: 24px;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--control-bg);
  color: var(--muted);
  font-size: var(--font-size-meta);
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.model-config-list-items {
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.model-config-item {
  position: relative;
  width: 100%;
  min-height: 86px;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  align-items: center;
  gap: 11px;
  padding: 12px 13px;
  border-bottom: 1px solid var(--control-border);
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition-property: background-color, opacity;
  transition-duration: 140ms;
}

.model-config-item::before {
  position: absolute;
  inset: 10px auto 10px 0;
  width: 2px;
  border-radius: 0 3px 3px 0;
  background: transparent;
  content: "";
}

.model-config-item.selected {
  background: var(--control-bg-hover);
}

.model-config-item.selected::before {
  background: var(--text);
}

.model-config-item:disabled {
  cursor: wait;
  opacity: 0.62;
}

.model-config-provider-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 9px;
  background: var(--control-bg-hover);
  color: var(--text-soft);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.model-config-item-copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.model-config-item-copy strong,
.model-config-item-copy span,
.model-config-item-copy small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-config-item-copy strong {
  font-size: var(--font-size-body);
  font-weight: 680;
}

.model-config-item-copy span {
  color: var(--text-soft);
  font-size: 13px;
}

.model-config-item-copy small {
  color: var(--muted);
  font-size: var(--font-size-meta);
}

.model-config-item-state {
  align-self: start;
  display: grid;
  justify-items: end;
  gap: 5px;
}

.model-config-status,
.model-config-default {
  display: inline-flex;
  align-items: center;
  width: max-content;
  border-radius: 999px;
  font-size: var(--font-size-meta);
  font-weight: 680;
  white-space: nowrap;
}

.model-config-status {
  gap: 6px;
  color: var(--muted);
}

.model-config-status::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
  content: "";
}

.model-config-status.available {
  color: var(--success);
}

.model-config-status.available::before {
  background: var(--success);
}

.model-config-status.unavailable {
  color: var(--danger);
}

.model-config-status.unavailable::before {
  background: var(--danger);
}

.model-config-default {
  padding: 3px 7px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--accent);
}

.settings-list-empty,
.settings-detail-empty {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 5px;
  min-height: 220px;
  padding: 24px;
  color: var(--muted);
  text-align: center;
}

.settings-list-empty strong,
.settings-detail-empty strong {
  color: var(--text);
  font-size: var(--font-size-body);
  font-weight: 680;
}

.settings-list-empty span,
.settings-detail-empty span {
  font-size: 13px;
}

.settings-workspace-detail {
  min-width: 0;
  background: var(--panel-bg);
}

.model-config-details,
.model-config-form {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: 22px;
  padding: 24px 26px 28px;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
}

.model-config-detail-header,
.model-config-form-header {
  min-height: 54px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--control-border);
}

.model-config-detail-header > div {
  min-width: 0;
}

.model-config-detail-header h2,
.model-config-form-header h2 {
  margin: 7px 0 2px;
  color: var(--text);
  font-size: var(--font-size-section-title);
  font-weight: 720;
  line-height: 1.3;
}

.model-config-detail-header p {
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--muted);
  font-size: 13px;
}

.model-config-form-header h2 {
  margin-top: 4px;
}

.model-config-form-header .icon-button {
  flex: 0 0 auto;
}

.model-config-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 24px;
  margin: 0;
}

.model-config-detail-grid > div {
  min-width: 0;
  padding: 13px 0;
  border-bottom: 1px solid var(--control-border);
}

.model-config-detail-grid dt {
  margin-bottom: 5px;
  color: var(--muted);
  font-size: var(--font-size-meta);
  font-weight: 600;
}

.model-config-detail-grid dd {
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: var(--font-size-body);
  font-weight: 580;
}

.model-config-detail-actions,
#page-settings .button-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  padding-top: 2px;
}

.model-config-detail-actions button,
#page-settings .button-row button {
  min-height: var(--control-height);
  padding: 0 13px;
  border: 1px solid var(--control-border);
  border-radius: 9px;
  background: var(--control-bg);
  color: var(--text-soft);
  font-size: var(--font-size-body);
  font-weight: 650;
  box-shadow: none;
}

#page-settings .button-row button[type="submit"] {
  border-color: var(--inverse-bg);
  background: var(--inverse-bg);
  color: var(--inverse-text);
}

.model-config-detail-actions button.danger {
  border-color: transparent;
  background: transparent;
  color: var(--danger);
}

.model-config-detail-actions button:disabled,
#page-settings .button-row button:disabled {
  cursor: not-allowed;
  opacity: 0.52;
}

#page-settings .model-config-form .form-grid {
  gap: 15px 12px;
}

#page-settings .model-config-form label {
  gap: 6px;
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 600;
}

#page-settings .model-config-form input,
#page-settings .model-config-form select {
  border-radius: 8px;
  background: var(--control-bg);
  box-shadow: none;
}

#page-settings .model-config-form #provider-grid {
  padding-bottom: 2px;
}

@media (hover: hover) {
  #page-settings .settings-header > button:hover {
    opacity: 0.88;
  }

  .model-config-item:hover {
    background: var(--control-bg-hover);
  }

  .model-config-detail-actions button:hover,
  #page-settings .button-row button:hover {
    background: var(--control-bg-hover);
    color: var(--text);
  }

  .model-config-detail-actions button.danger:hover {
    background: color-mix(in srgb, var(--danger) 8%, transparent);
    color: var(--danger);
  }
}

@media (max-width: 900px) {
  .settings-workspace-shell {
    min-height: 0;
    grid-template-columns: minmax(0, 1fr);
  }

  .model-config-list {
    max-height: 330px;
    border-right: 0;
    border-bottom: 1px solid var(--control-border);
  }
}

@media (max-width: 520px) {
  #page-settings .settings-header {
    min-height: 68px;
    padding: 14px 16px;
  }

  #page-settings .settings-header h1 {
    font-size: 22px;
  }

  .settings-workspace-shell {
    margin: 12px 16px 20px;
    border-radius: 10px;
  }

  .model-config-item {
    grid-template-columns: 32px minmax(0, 1fr);
  }

  .model-config-item-state {
    grid-column: 2;
    grid-row: 2;
    justify-items: start;
  }

  .model-config-details,
  .model-config-form {
    padding: 18px 16px 22px;
  }

  .model-config-detail-grid,
  #page-settings .model-config-form .form-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  #page-settings .model-config-form .form-grid .wide {
    grid-column: auto;
  }

  .model-config-detail-actions,
  #page-settings .button-row {
    justify-content: stretch;
  }

  .model-config-detail-actions button,
  #page-settings .button-row button {
    flex: 1 1 132px;
  }
}

@media (prefers-reduced-motion: reduce) {
  #page-settings .settings-header > button,
  .model-config-item {
    transition: none;
  }
}

/* Composer model picker: one compact control bound to the next message. */
.composer-model-picker {
  position: relative;
  z-index: 12;
  width: fit-content;
  max-width: 100%;
}

.composer-model-trigger {
  max-width: min(260px, 100%);
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 3px 8px 3px 6px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 620;
  line-height: 1;
  touch-action: manipulation;
  transition-property: transform, background-color, border-color, color;
  transition-duration: 120ms;
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

.composer-model-trigger > span:nth-child(2) {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.composer-model-chevron {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 120ms cubic-bezier(0.16, 1, 0.3, 1);
}

.composer-model-picker.open .composer-model-chevron {
  transform: rotate(180deg);
}

.composer-model-trigger:active,
.composer-model-option:active,
.composer-model-manage:active {
  transform: scale(0.96);
}

.composer-model-trigger:focus-visible,
.composer-model-option:focus-visible,
.composer-model-manage:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--text) 58%, transparent);
  outline-offset: 1px;
}

.composer-model-trigger:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.composer-model-mark {
  width: 18px;
  height: 18px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 6px;
  background: var(--inverse-bg);
  color: var(--inverse-text);
}

.composer-model-mark svg {
  width: 12px;
  height: 12px;
  fill: currentColor;
}

.composer-model-popover {
  position: absolute;
  left: -8px;
  bottom: calc(100% + 9px);
  width: min(320px, calc(100vw - 48px));
  overflow: hidden;
  border: 1px solid var(--control-border);
  border-radius: 14px;
  background: var(--panel-bg);
  box-shadow:
    0 2px 5px rgba(0, 0, 0, 0.08),
    0 18px 46px rgba(0, 0, 0, 0.14);
  transform-origin: left bottom;
  animation: composer-model-enter 120ms cubic-bezier(0.16, 1, 0.3, 1);
}

.composer-model-search {
  min-height: 43px;
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-bottom: 1px solid var(--control-border);
}

.composer-model-search > svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: var(--muted);
  stroke-width: 1.6;
  stroke-linecap: round;
}

.composer-model-search input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 14px;
}

.composer-model-search input::placeholder {
  color: var(--muted);
  opacity: 1;
}

.composer-model-search input::-webkit-search-cancel-button {
  display: none;
}

.composer-model-search kbd {
  padding: 2px 5px;
  border: 1px solid var(--control-border);
  border-radius: 6px;
  color: var(--muted);
  background: var(--control-bg);
  font-family: inherit;
  font-size: 11px;
  line-height: 1.35;
}

.composer-model-empty {
  padding: 16px 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

@keyframes composer-model-enter {
  from {
    opacity: 0;
    transform: translateY(5px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.composer-model-list {
  max-height: min(310px, 48vh);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 6px;
}

.composer-model-option {
  width: 100%;
  min-height: 52px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 22px;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--text);
  text-align: left;
  touch-action: manipulation;
  transition-property: transform, background-color;
  transition-duration: 120ms;
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

.composer-model-option.active,
.composer-model-option.selected {
  background: var(--control-bg-hover);
}

.composer-model-copy {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.composer-model-copy strong,
.composer-model-copy small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.composer-model-copy strong {
  font-size: 14px;
  font-weight: 680;
  line-height: 1.2;
}

.composer-model-copy small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.25;
}

.composer-model-check {
  min-height: 20px;
  display: grid;
  place-items: center;
  color: var(--text);
  font-size: 15px;
  font-weight: 700;
}

.composer-model-manage {
  width: 100%;
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  border: 0;
  border-top: 1px solid var(--control-border);
  border-radius: 0;
  background: var(--panel-bg);
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 620;
  text-align: left;
  touch-action: manipulation;
  transition-property: transform, background-color, color;
  transition-duration: 120ms;
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (hover: hover) {
  .composer-model-trigger:not(:disabled):hover {
    border-color: var(--control-border);
    background: var(--control-bg-hover);
    color: var(--text);
  }

  .composer-model-option:hover,
  .composer-model-manage:hover {
    background: var(--control-bg-hover);
    color: var(--text);
  }
}

@media (max-width: 520px) {
  .composer-model-trigger {
    max-width: min(220px, calc(100vw - 132px));
  }

  .composer-model-popover {
    left: -60px;
    width: min(320px, calc(100vw - 32px));
  }

  .composer-model-search input {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .composer-model-trigger,
  .composer-model-chevron,
  .composer-model-option,
  .composer-model-manage {
    transition: none;
  }

  .composer-model-popover {
    animation: none;
  }
}

/* Chat empty state final polish. */
#page-chat.chat-empty .chat-panel {
  grid-template-columns: minmax(28px, 1fr) minmax(0, 880px) minmax(28px, 1fr) !important;
  grid-template-rows: minmax(64px, 0.76fr) auto 26px auto minmax(88px, 1.24fr) !important;
}

#page-chat.chat-empty .chat-topbar {
  display: flex !important;
  height: 54px !important;
  min-height: 54px !important;
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
  opacity: 1 !important;
  pointer-events: auto !important;
}

#page-chat.chat-empty .chat-topbar h1 {
  display: none !important;
}

#page-chat.chat-empty .chat-topbar-actions {
  display: flex !important;
  margin-left: auto !important;
}

#page-chat.chat-empty .chat-run-toggle,
#page-chat.chat-empty #refresh-btn {
  display: none !important;
}

#page-chat.chat-empty .messages,
#page-chat.chat-empty #chat-form.composer {
  width: 100% !important;
  max-width: 880px !important;
}

#page-chat.chat-empty .welcome-card h2 {
  font-size: clamp(30px, 2.35vw, 38px) !important;
  font-weight: 430 !important;
  transform: none !important;
}

#page-chat.chat-empty #chat-form.composer .composer-shell {
  min-height: 66px !important;
  border-radius: 24px !important;
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.04),
    0 10px 26px rgba(0, 0, 0, 0.06) !important;
}

#page-chat.chat-empty button:focus:not(:focus-visible),
#page-chat.chat-empty textarea:focus:not(:focus-visible),
#page-chat.chat-empty [tabindex]:focus:not(:focus-visible) {
  outline: none !important;
}

@media (max-width: 520px) {
  #page-chat.chat-empty .chat-panel {
    grid-template-columns: 14px minmax(0, 1fr) 14px !important;
    grid-template-rows: minmax(56px, 0.7fr) auto 22px auto minmax(72px, 1.3fr) !important;
  }

  #page-chat.chat-empty .welcome-card h2 {
    font-size: clamp(27px, 8.2vw, 31px) !important;
  }

  #page-chat.chat-empty #chat-form.composer .composer-shell {
    min-height: 64px !important;
    border-radius: 20px !important;
  }
}

/* Compact composer chrome. */
#page-chat.chat-empty #chat-form.composer .composer-shell,
#page-chat:not(.chat-empty) #chat-form.composer .composer-shell {
  grid-template-columns: 36px minmax(0, 1fr) auto auto 36px !important;
  grid-template-rows: minmax(24px, auto) 36px !important;
  column-gap: 4px !important;
  row-gap: 1px !important;
  min-height: 0 !important;
  padding: 7px 9px 7px 12px !important;
  border: 1px solid var(--control-border) !important;
  border-radius: 22px !important;
  background: var(--panel-bg) !important;
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.03),
    0 10px 24px rgba(0, 0, 0, 0.06) !important;
}

#chat-form.composer .composer-input-stack {
  display: contents !important;
}

#chat-form.composer .composer-input-stack textarea {
  grid-column: 1 / -1 !important;
  grid-row: 1 !important;
  min-height: 24px !important;
  padding: 2px 3px 0 !important;
  font-size: 16px !important;
  line-height: 1.55 !important;
}

#chat-form.composer .composer-plus {
  grid-column: 1 !important;
  grid-row: 2 !important;
  width: 36px !important;
  height: 36px !important;
  border-radius: 12px !important;
  border: 1px solid var(--control-border) !important;
  background: var(--surface) !important;
}

#chat-form.composer .composer-model-picker {
  grid-column: 4 !important;
  grid-row: 2 !important;
  align-self: center;
}

#chat-form.composer .composer-permission-picker {
  grid-column: 3 !important;
}

#chat-form.composer .composer-model-trigger {
  min-height: 34px !important;
  gap: 6px !important;
  padding: 4px 10px 4px 7px !important;
  border: 1px solid var(--control-border) !important;
  background: var(--surface) !important;
  color: var(--text) !important;
  font-size: 13px !important;
  font-weight: 620 !important;
}

#chat-form.composer .composer-model-mark {
  width: 16px !important;
  height: 16px !important;
  border-radius: 5px !important;
}

#chat-form.composer .composer-model-mark svg {
  width: 11px !important;
  height: 11px !important;
}

#page-chat #chat-form.composer .composer-shell > button#chat-submit-btn.composer-send-button[type="submit"] {
  grid-column: 5 !important;
  grid-row: 2 !important;
  width: 36px !important;
  min-width: 36px !important;
  max-width: 36px !important;
  height: 36px !important;
  min-height: 36px !important;
  border-radius: 12px !important;
}

.composer-permission-mark {
  width: 16px;
  height: 16px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  color: currentColor;
}

.composer-permission-mark svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.45;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.composer-permission-picker.mode-auto_edit .composer-permission-trigger {
  color: var(--warning) !important;
}

.composer-permission-picker.mode-plan .composer-permission-trigger {
  color: var(--accent) !important;
}

.composer-permission-picker.mode-full_access .composer-permission-trigger {
  color: var(--danger) !important;
}

.composer-permission-popover {
  left: auto;
  right: -8px;
  width: min(350px, calc(100vw - 48px));
}

.composer-permission-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px 7px;
}

.composer-permission-heading strong {
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
}

.composer-permission-heading span {
  color: var(--muted);
  font-size: 12px;
}

.composer-permission-option.danger .composer-model-copy strong {
  color: var(--danger);
}

.composer-permission-rules-entry {
  display: flex;
  width: calc(100% - 16px);
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 6px 8px 8px;
  padding: 11px 10px;
  border: 0;
  border-top: 1px solid var(--control-border);
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.composer-permission-rules-entry:hover,
.composer-permission-rules-entry.active,
.composer-permission-rules-entry:focus-visible {
  background: var(--panel-bg-soft);
  outline: none;
}

.composer-permission-rules-entry > span:first-child {
  display: grid;
  gap: 2px;
}

.composer-permission-rules-entry strong {
  font-size: 13px;
  font-weight: 680;
}

.composer-permission-rules-entry small,
.composer-permission-rules-entry > span:last-child {
  color: var(--muted);
  font-size: 12px;
}

.composer-permission-rules {
  min-width: 0;
  padding-bottom: 8px;
}

.composer-permission-rules-heading {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  align-items: center;
  gap: 6px;
}

.composer-permission-back {
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.composer-permission-back:hover,
.composer-permission-back:focus-visible {
  background: var(--panel-bg-soft);
  color: var(--text);
  outline: none;
}

.composer-permission-rule-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin: 4px 12px 0;
  padding: 3px;
  border: 1px solid var(--control-border);
  border-radius: 10px;
  background: var(--panel-bg-soft);
}

.composer-permission-rule-tabs button {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 12px;
  font-weight: 650;
  cursor: pointer;
}

.composer-permission-rule-tabs button span {
  font-variant-numeric: tabular-nums;
  opacity: 0.72;
}

.composer-permission-rule-tabs button.active {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.composer-permission-rule-tabs button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.composer-permission-rule-description {
  min-height: 20px;
  margin: 9px 14px 7px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.composer-permission-rule-list {
  display: grid;
  max-height: 164px;
  gap: 2px;
  margin: 0 8px;
  overflow-y: auto;
}

.composer-permission-rule-row {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 7px 7px 10px;
  border-radius: 8px;
}

.composer-permission-rule-row:hover {
  background: var(--panel-bg-soft);
}

.composer-permission-rule-row code {
  overflow: hidden;
  color: var(--text);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.composer-permission-rule-row button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}

.composer-permission-rule-row button:hover,
.composer-permission-rule-row button:focus-visible {
  color: var(--danger);
  outline: none;
}

.composer-permission-rule-empty {
  padding: 15px 10px;
  color: var(--muted);
  font-size: 13px;
}

.composer-permission-rule-add {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 7px;
  margin: 8px 12px 2px;
}

.composer-permission-rule-add input {
  min-width: 0;
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--control-border);
  border-radius: 9px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 13px;
}

.composer-permission-rule-add input:focus {
  border-color: var(--accent);
  outline: 2px solid color-mix(in srgb, var(--accent) 18%, transparent);
}

.composer-permission-rule-add button {
  height: 34px;
  padding: 0 12px;
  border: 0;
  border-radius: 9px;
  background: var(--text);
  color: var(--surface);
  font: inherit;
  font-size: 12px;
  font-weight: 680;
  cursor: pointer;
}

.composer-permission-rule-error {
  margin: 6px 14px 2px;
  color: var(--danger);
  font-size: 12px;
  line-height: 1.4;
}

@media (max-width: 640px) {
  #page-chat.chat-empty #chat-form.composer .composer-shell,
  #page-chat:not(.chat-empty) #chat-form.composer .composer-shell {
    grid-template-columns: 36px minmax(0, 1fr) auto auto 36px !important;
  }

  #chat-form.composer .composer-permission-trigger,
  #chat-form.composer .composer-model-trigger {
    padding-inline: 7px !important;
  }

  #chat-form.composer .composer-model-trigger > span:nth-child(2) {
    max-width: 92px;
  }

  .composer-permission-popover {
    right: -112px;
    width: min(350px, calc(100vw - 24px));
  }
}

#chat-form.composer .composer-shell:has(.selected-skill-pill) {
  grid-template-rows: auto minmax(24px, auto) 36px !important;
}

#chat-form.composer .composer-shell:has(.selected-skill-pill) .selected-skill-pill {
  grid-column: 1 / -1 !important;
  grid-row: 1 !important;
}

#chat-form.composer .composer-shell:has(.selected-skill-pill) textarea {
  grid-row: 2 !important;
}

#chat-form.composer .composer-shell:has(.selected-skill-pill) .composer-plus,
#chat-form.composer .composer-shell:has(.selected-skill-pill) .composer-model-picker,
#chat-form.composer .composer-shell:has(.selected-skill-pill) #chat-submit-btn {
  grid-row: 3 !important;
}

@media (max-width: 520px) {
  #page-chat.chat-empty #chat-form.composer .composer-shell,
  #page-chat:not(.chat-empty) #chat-form.composer .composer-shell {
    padding: 7px 8px 7px 10px !important;
    border-radius: 17px !important;
  }
}
/* Explicit task notification control in the chat header. */
.chat-notification-toggle {
  display: inline-grid;
  width: 38px;
  min-width: 38px;
  height: 38px;
  padding: 0 !important;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
}

.chat-notification-toggle svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.chat-notification-toggle.is-enabled {
  border-color: color-mix(in srgb, var(--success) 30%, var(--line));
  color: var(--success);
}

.chat-notification-toggle.is-blocked {
  color: var(--danger);
}

.chat-notification-toggle:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

/* Destructive session actions require an explicit, focused confirmation. */
.session-delete-backdrop {
  background: color-mix(in srgb, #111827 52%, transparent);
  backdrop-filter: none;
  overscroll-behavior: contain;
}

.session-delete-dialog {
  width: min(440px, calc(100vw - 32px));
  max-height: calc(100dvh - 32px);
  grid-template-rows: auto auto;
  border-radius: var(--radius);
  box-shadow: 0 24px 72px rgba(15, 23, 42, 0.24);
}

.session-delete-body {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 22px 22px 18px;
}

.session-delete-mark {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: color-mix(in srgb, var(--danger) 10%, var(--surface));
  color: var(--danger);
  font-size: 22px;
  line-height: 1;
}

.session-delete-body h2 {
  margin: 2px 0 8px;
  color: var(--text);
  font-size: 18px;
  line-height: 1.35;
  text-wrap: balance;
}

.session-delete-body p {
  margin: 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.7;
  overflow-wrap: anywhere;
  text-wrap: pretty;
}

.session-delete-body .session-delete-active {
  margin-top: 9px;
  color: var(--danger);
  font-weight: 650;
}

.session-delete-actions {
  margin: 0;
  padding: 14px 22px 18px;
  border-top: 1px solid var(--line);
}

.session-delete-actions > button {
  transition-property: transform, background-color, border-color, color, opacity;
  transition-duration: 140ms;
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

.session-delete-actions > button:active:not(:disabled) {
  transform: scale(0.96);
}

.session-delete-actions > .session-delete-confirm {
  border-color: var(--danger);
  background: var(--danger);
  color: #fff;
}

.session-delete-actions > .session-delete-confirm:hover,
.session-delete-actions > .session-delete-confirm:focus-visible {
  border-color: color-mix(in srgb, var(--danger) 86%, #111);
  background: color-mix(in srgb, var(--danger) 86%, #111);
}

.session-delete-actions > button:disabled {
  cursor: wait;
  opacity: 0.58;
}

@media (max-width: 520px) {
  .session-delete-backdrop {
    align-items: end;
    padding: 12px max(12px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
  }

  .session-delete-dialog {
    width: 100%;
  }

  .session-delete-body {
    padding: 20px 18px 16px;
  }

  .session-delete-actions {
    padding: 12px 18px 16px;
  }
}
.pending-approvals {
  position: relative;
  z-index: 4;
}

.pending-approvals-trigger {
  width: 100%;
}

.pending-approvals-trigger .nav-icon {
  position: relative;
}

.pending-approvals-trigger .nav-icon svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.pending-approvals-badge {
  min-width: 20px;
  margin-left: auto;
  padding: 2px 6px;
  border: 1px solid color-mix(in srgb, var(--danger) 24%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--danger) 12%, var(--surface));
  color: var(--danger);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
  text-align: center;
}

.pending-approvals-list {
  display: grid;
  gap: 4px;
  margin: 2px 0 6px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  color: var(--muted);
  font-size: 12px;
  animation: pending-approvals-in 140ms ease-out both;
}

.pending-approvals-list-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 0 4px 4px;
  color: var(--text);
}

.pending-approvals-list-heading span {
  color: var(--faint);
  font-size: 11px;
}

.pending-approval-item,
.pending-approvals-retry {
  display: grid;
  gap: 2px;
  width: 100%;
  border: 0;
  border-radius: 7px;
  padding: 8px;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.pending-approval-item strong {
  overflow: hidden;
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pending-approval-item span {
  overflow: hidden;
  color: var(--muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pending-approval-item:hover,
.pending-approval-item:focus-visible,
.pending-approvals-retry:hover,
.pending-approvals-retry:focus-visible {
  outline: none;
  background: var(--surface-soft);
  color: var(--text);
}

.pending-approvals-retry {
  color: var(--danger);
}

.pending-approvals-empty,
.pending-approvals-more {
  padding: 4px;
  color: var(--faint);
}

.pending-approvals-more {
  border-top: 1px solid var(--line);
  padding-top: 6px;
  font-size: 11px;
}

@keyframes pending-approvals-in {
  from { opacity: 0; transform: translateY(-3px); }
  to { opacity: 1; transform: translateY(0); }
}

body.sidebar-collapsed .pending-approvals {
  width: 44px;
}

body.sidebar-collapsed .pending-approvals-list {
  position: absolute;
  top: 0;
  left: 52px;
  width: 260px;
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  .pending-approvals-list {
    animation: none;
  }
}
/* AgentLens refinement: foundation */
:root {
  --kf-type-page: 28px;
  --kf-type-title: 18px;
  --kf-type-body: 16px;
  --kf-type-label: 14px;
  --kf-type-meta: 13px;
  --kf-radius-control: 10px;
  --kf-radius-panel: 14px;
  --kf-radius-floating: 18px;
  --kf-space-1: 4px;
  --kf-space-2: 8px;
  --kf-space-3: 12px;
  --kf-space-4: 16px;
  --kf-space-6: 24px;
  --kf-space-8: 32px;
  --kf-control-height: 40px;
  --kf-focus-ring: color-mix(in srgb, var(--text) 72%, transparent);
  --kf-transition: 160ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Prompt history mirrors the terminal Ctrl+R flow without leaving the composer. */
.composer-history-search {
  position: absolute;
  z-index: 37;
  left: 50%;
  bottom: calc(100% - 6px);
  width: min(680px, calc(100% - 56px));
  overflow: hidden;
  border: 1px solid var(--control-border);
  border-radius: 14px;
  background: var(--panel-bg);
  color: var(--text);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.16);
  transform: translateX(-50%);
}

.composer-history-heading,
.composer-history-footer {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
}

.composer-history-heading {
  justify-content: space-between;
}

.composer-history-heading strong {
  font-size: 14px;
  font-weight: 680;
}

.composer-history-actions {
  display: flex;
  align-items: center;
  gap: 2px;
}

.composer-history-heading button {
  min-width: 44px;
  min-height: 34px;
  padding: 0 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text-soft);
  font: inherit;
  font-size: 13px;
  font-weight: 620;
}

.composer-history-query {
  display: block;
  padding: 0 8px 8px;
  border-bottom: 1px solid var(--control-border);
}

.composer-history-query input {
  width: 100%;
  height: 40px;
  padding: 0 11px;
  border: 1px solid var(--control-border);
  border-radius: 9px;
  outline: 0;
  background: var(--control-bg);
  color: var(--text);
  font: inherit;
  font-size: 14px;
}

.composer-history-query input:focus-visible {
  border-color: color-mix(in srgb, var(--text) 58%, var(--control-border));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--text) 10%, transparent);
}

.composer-history-list {
  max-height: min(340px, 44dvh);
  padding: 6px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.composer-history-item {
  width: 100%;
  min-height: 48px;
  display: flex;
  align-items: center;
  padding: 8px 10px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 14px;
  line-height: 1.45;
  text-align: left;
}

.composer-history-item > span {
  display: -webkit-box;
  overflow: hidden;
  overflow-wrap: anywhere;
  white-space: pre-line;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.composer-history-item.active {
  background: var(--control-bg-hover);
}

.composer-history-state {
  min-height: 68px;
  display: flex;
  align-items: center;
  padding: 10px 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.composer-history-footer {
  border-top: 1px solid var(--control-border);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.composer-history-heading button:focus-visible,
.composer-history-item:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--text) 62%, transparent);
  outline-offset: 1px;
}

@media (hover: hover) {
  .composer-history-heading button:hover,
  .composer-history-item:hover {
    background: var(--control-bg-hover);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .composer-history-search {
    animation: composer-history-enter 120ms cubic-bezier(0.16, 1, 0.3, 1) both;
    transform-origin: bottom center;
  }

  @keyframes composer-history-enter {
    from {
      opacity: 0.7;
      translate: 0 5px;
    }

    to {
      opacity: 1;
      translate: 0 0;
    }
  }
}

@media (max-width: 760px) {
  .composer-history-search {
    left: 0;
    right: 0;
    width: auto;
    margin-inline: 10px;
    transform: none;
  }

  .composer-history-heading button {
    min-height: 44px;
  }

  .composer-history-query input {
    height: 44px;
  }

  .composer-history-item {
    min-height: 52px;
  }

  .composer-history-footer {
    display: none;
  }
}

/* AgentLens refinement: shell and controls */
html {
  color-scheme: light;
}

:root[data-theme="mono-dark"] {
  color-scheme: dark;
}

body {
  color: var(--text);
  background: var(--workspace-bg);
  font-size: var(--kf-type-body);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: color-mix(in srgb, var(--text) 18%, transparent);
}

:where(button, input, textarea, select, [tabindex]):focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 2px;
}

:where(button, input, textarea, select):disabled {
  cursor: not-allowed;
}

:where(button, a, input, textarea, select) {
  -webkit-tap-highlight-color: transparent;
}

.workspace-page {
  min-height: 100vh;
  color: var(--text);
  background: var(--workspace-bg);
}

:where(.settings-header, .memory-header) {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--kf-space-4);
  padding: 0 var(--kf-space-6);
  border-bottom: 1px solid var(--control-border);
  background: var(--workspace-bg);
}

:where(.settings-header, .memory-header) h1 {
  margin: 0;
  color: var(--text);
  font-size: var(--kf-type-page);
  font-weight: 720;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

:where(.panel-title, .model-config-detail-header, .model-config-form-header) h2 {
  color: var(--text);
  font-size: var(--kf-type-title);
  font-weight: 680;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

:where(input, textarea, select) {
  min-height: var(--kf-control-height);
  border-color: var(--control-border);
  border-radius: var(--kf-radius-control);
  color: var(--text);
  background: var(--control-bg);
  box-shadow: none;
  font-size: var(--kf-type-body);
}

:where(input, textarea, select):hover:not(:disabled) {
  border-color: var(--line-strong);
}

:where(input, textarea, select):focus {
  border-color: var(--text);
  box-shadow: none;
}

:where(.icon-button, .secondary-button) {
  min-height: 38px;
  border: 1px solid var(--control-border);
  border-radius: var(--kf-radius-control);
  color: var(--text-soft);
  background: var(--control-bg);
  box-shadow: none;
  font-size: var(--kf-type-label);
  font-weight: 620;
  transition:
    background-color var(--kf-transition),
    border-color var(--kf-transition),
    color var(--kf-transition),
    transform var(--kf-transition);
}

.icon-button {
  width: 38px;
  padding: 0;
}

:where(.icon-button, .secondary-button):active:not(:disabled) {
  transform: translateY(1px);
}

@media (hover: hover) {
  :where(.icon-button, .secondary-button):hover:not(:disabled) {
    border-color: var(--line-strong);
    color: var(--text);
    background: var(--control-bg-hover);
  }
}

/* AgentLens refinement: management pages */
:where(#page-knowledge, #page-skills, #page-memory, #page-tools) .workspace-page {
  min-height: 100vh;
  color: var(--text);
  background: var(--workspace-bg);
  box-shadow: none;
}

:where(#page-skills, #page-memory, #page-tools) .workspace-page {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

/* Knowledge keeps its existing rail + primary workspace structure. */
#page-knowledge .knowledge-shell {
  min-height: calc(100vh - 72px);
  gap: 0;
  border-top: 1px solid var(--control-border);
  background: var(--panel-bg);
}

#page-knowledge .knowledge-rail {
  border-right: 1px solid var(--control-border);
  background: color-mix(in srgb, var(--workspace-bg) 72%, var(--panel-bg));
}

#page-knowledge .knowledge-primary {
  background: var(--panel-bg);
}

#page-knowledge .knowledge-hero {
  min-height: 72px;
  padding: 0 var(--kf-space-6);
  border-bottom: 1px solid var(--control-border);
  background: var(--workspace-bg);
}

#page-knowledge .knowledge-hero h1 {
  margin: 0;
  font-size: var(--kf-type-page);
  font-weight: 720;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

#page-knowledge .knowledge-hero .eyebrow {
  display: none;
}

#page-knowledge .knowledge-tabbar {
  min-height: 48px;
  gap: 20px;
  padding: 0 var(--kf-space-6);
  border-bottom: 1px solid var(--control-border);
  background: var(--panel-bg);
}

#page-knowledge .knowledge-tab {
  min-height: 48px;
  padding: 0;
  border: 0;
  border-radius: 0;
  color: var(--muted);
  background: transparent;
  box-shadow: none;
  font-size: var(--kf-type-label);
  font-weight: 620;
}

#page-knowledge .knowledge-tab.active {
  color: var(--text);
  box-shadow: inset 0 -2px var(--text);
}

#page-knowledge :where(.document-toolbar, .knowledge-actionbar) {
  min-height: 56px;
  padding: 8px var(--kf-space-6);
  border-bottom: 1px solid var(--control-border);
  background: var(--panel-bg);
}

#page-knowledge :where(.document-table, .settings-panel-card) {
  border-color: var(--control-border);
  border-radius: var(--kf-radius-panel);
  background: var(--panel-bg);
  box-shadow: none;
}

#page-knowledge .kb-row {
  min-height: 54px;
  border-radius: 9px;
  font-size: 14px;
}

#page-knowledge .kb-row.active {
  color: var(--text);
  background: var(--control-bg-hover);
  box-shadow: none;
}

/* Skills uses compact rows instead of nested cards. */
#page-skills .skills-content {
  min-height: 0;
  margin: 18px 24px 24px;
  overflow: hidden;
  border: 1px solid var(--control-border);
  border-radius: var(--kf-radius-panel);
  background: var(--panel-bg);
  box-shadow: none;
}

#page-skills .skills-tabs {
  min-height: 48px;
  gap: 20px;
  padding: 0 16px;
  border-bottom: 1px solid var(--control-border);
}

#page-skills .skills-tabs button {
  min-height: 48px;
  padding: 0;
  color: var(--muted);
  font-size: var(--kf-type-label);
  font-weight: 620;
}

#page-skills .skills-tabs button.active {
  color: var(--text);
}

#page-skills .skills-toolbar {
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--control-border);
  background: var(--panel-bg-soft);
}

#page-skills :where(.skills-search input, .skills-filter select) {
  min-height: 38px;
  border-radius: 9px;
  background: var(--control-bg);
  font-size: 14px;
}

#page-skills .skills-list {
  gap: 0;
  padding: 0;
}

#page-skills .skills-list-row {
  min-height: 84px;
  margin: 0;
  border: 0;
  border-bottom: 1px solid var(--control-border);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  transition: background-color var(--kf-transition);
}

#page-skills .skills-list-row:last-child {
  border-bottom: 0;
}

#page-skills .skills-list-row.selected {
  background: var(--panel-bg-soft);
  box-shadow: inset 2px 0 var(--text);
}

#page-skills .skill-row-detail {
  min-height: 84px;
  padding: 13px 16px;
}

#page-skills .skill-row-title strong {
  font-size: 15px;
  font-weight: 680;
}

#page-skills .skill-row-main p,
#page-skills .skill-row-source,
#page-skills .skill-row-deps {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

#page-skills .skill-status {
  font-size: 12px;
  font-weight: 650;
}

#page-skills .skills-list-state {
  min-height: 220px;
  padding: 24px;
  color: var(--muted);
  font-size: var(--kf-type-body);
}

/* Memory is a readable list, not a stack of cards. */
#page-memory .memory-workspace {
  width: min(1040px, 100%);
  margin: 0 auto;
  padding: 0 24px 32px;
}

#page-memory .memory-header {
  margin-inline: -24px;
  padding-inline: 24px;
}

#page-memory .memory-title {
  gap: 10px;
}

#page-memory .memory-title span {
  color: var(--muted);
  font-size: 13px;
}

#page-memory .memory-enable {
  gap: 10px;
}

#page-memory .memory-toolbar {
  min-height: 54px;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--control-border);
}

#page-memory .memory-list {
  gap: 0;
}

#page-memory .memory-item {
  gap: 12px;
  padding: 20px 4px;
  border: 0;
  border-bottom: 1px solid var(--control-border);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

#page-memory .memory-item-content {
  margin: 0;
  color: var(--text);
  font-size: var(--kf-type-body);
  line-height: 1.65;
}

#page-memory .memory-item-meta {
  color: var(--muted);
  font-size: 13px;
}

#page-memory :where(.memory-toolbar, .memory-item-meta, .memory-editor) button {
  min-height: 34px;
  padding: 0 10px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 620;
}

#page-memory :where(.memory-empty, .memory-unavailable) {
  min-height: 240px;
  border: 0;
  color: var(--muted);
  background: transparent;
  font-size: var(--kf-type-body);
}

/* Tools and MCP share one restrained inventory workspace. */
#page-tools .tools-content {
  min-height: 0;
  gap: 16px;
  padding: 18px 24px 28px;
}

#page-tools .tools-overview {
  border: 1px solid var(--control-border);
  border-radius: var(--kf-radius-panel);
  background: var(--panel-bg);
  box-shadow: none;
}

#page-tools .tools-overview > div {
  padding: 12px 14px;
}

#page-tools .tools-overview span {
  color: var(--muted);
  font-size: 12px;
}

#page-tools .tools-overview strong {
  font-size: 15px;
  font-weight: 680;
}

#page-tools :where(.tool-inventory, .mcp-panel, .stack-form) {
  border: 1px solid var(--control-border);
  border-radius: var(--kf-radius-panel);
  background: var(--panel-bg);
  box-shadow: none;
}

#page-tools :where(.tool-inventory, .mcp-panel) > :where(.panel-title, .mcp-panel-heading) {
  min-height: 54px;
  padding: 0 16px;
  border-bottom: 1px solid var(--control-border);
}

#page-tools .tool-inventory-row {
  min-height: 70px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--control-border);
}

#page-tools .mcp-server-grid {
  gap: 0;
  padding: 0;
}

#page-tools .mcp-server-card {
  margin: 0;
  padding: 16px;
  border: 0;
  border-bottom: 1px solid var(--control-border);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  transition: background-color var(--kf-transition);
}

#page-tools .mcp-server-card:last-child {
  border-bottom: 0;
}

#page-tools .mcp-server-metrics {
  color: var(--muted);
  font-size: 13px;
}

#page-tools :where(.mcp-status, .tool-state) {
  font-size: 12px;
  font-weight: 650;
}

@media (hover: hover) {
  #page-skills .skills-list-row:hover,
  #page-memory .memory-item:hover,
  #page-tools .mcp-server-card:hover {
    background: var(--control-bg-hover);
  }
}

/* AgentLens refinement: composer */
#chat-form.composer {
  padding-inline: clamp(14px, 3vw, 32px);
}

#page-chat.chat-empty #chat-form.composer .composer-shell,
#page-chat:not(.chat-empty) #chat-form.composer .composer-shell {
  min-height: 0 !important;
  grid-template-columns: 36px minmax(0, 1fr) 36px !important;
  grid-template-rows: minmax(26px, auto) 36px !important;
  column-gap: 6px !important;
  row-gap: 2px !important;
  padding: 8px 9px 8px 11px !important;
  border: 1px solid var(--control-border) !important;
  border-radius: var(--kf-radius-floating) !important;
  color: var(--text) !important;
  background: var(--panel-bg) !important;
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.04),
    0 8px 22px rgba(0, 0, 0, 0.06) !important;
  transition:
    border-color var(--kf-transition),
    box-shadow var(--kf-transition) !important;
}

#chat-form.composer .composer-shell:focus-within {
  border-color: var(--line-strong) !important;
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--text) 18%, transparent),
    0 10px 28px rgba(0, 0, 0, 0.08) !important;
}

#chat-form.composer .composer-shell::before {
  display: none !important;
}

#chat-form.composer .composer-input-stack {
  display: contents !important;
}

#chat-form.composer .composer-input-stack textarea {
  grid-column: 1 / -1 !important;
  grid-row: 1 !important;
  min-height: 26px !important;
  max-height: 150px;
  margin: 0 !important;
  padding: 0 4px !important;
  border: 0 !important;
  border-radius: 0 !important;
  color: var(--text) !important;
  background: transparent !important;
  box-shadow: none !important;
  font-size: 15px !important;
  line-height: 24px !important;
}

#chat-form.composer .composer-input-stack textarea::placeholder {
  color: var(--muted);
  opacity: 0.86;
}

#chat-form.composer .composer-plus {
  grid-column: 1 !important;
  grid-row: 2 !important;
  width: 36px !important;
  height: 36px !important;
  border: 0 !important;
  border-radius: var(--kf-radius-control) !important;
  color: var(--text-soft) !important;
  background: transparent !important;
  box-shadow: none !important;
}

#chat-form.composer .composer-plus svg {
  width: 19px;
  height: 19px;
}

#chat-form.composer .composer-model-picker {
  grid-column: 2 !important;
  grid-row: 2 !important;
  align-self: center;
  min-width: 0;
}

#chat-form.composer .composer-model-trigger {
  min-height: 32px;
  max-width: min(260px, 100%);
  gap: 7px;
  padding: 4px 8px 4px 5px;
  border-radius: 9px;
  font-size: 13px;
  font-weight: 640;
}

#chat-form.composer .composer-model-trigger .composer-reasoning-value {
  padding-inline-start: 6px;
  border-inline-start: 1px solid var(--control-border);
  color: var(--muted);
  font-weight: 560;
}

#chat-form.composer .composer-model-trigger .composer-context-value {
  flex: 0 0 auto;
  padding-inline-start: 6px;
  border-inline-start: 1px solid var(--control-border);
  color: var(--muted);
  font-weight: 560;
  white-space: nowrap;
}

#chat-form.composer .composer-model-trigger .composer-context-value.trimmed {
  color: var(--warning);
}

#chat-form.composer .composer-model-mark {
  width: 19px;
  height: 19px;
  border-radius: 6px;
}

#chat-form.composer .composer-model-popover {
  width: min(370px, calc(100vw - 32px));
  border-color: var(--control-border);
  border-radius: var(--kf-radius-panel);
  background: var(--panel-bg);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.14);
}

.composer-reasoning-section {
  display: grid;
  gap: 8px;
  padding: 11px 10px 10px;
  border-top: 1px solid var(--control-border);
}

.composer-reasoning-section > strong {
  color: var(--text);
  font-size: 14px;
  font-weight: 680;
}

.composer-reasoning-section > div {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 4px;
  padding: 3px;
  border-radius: 10px;
  background: var(--control-bg);
}

.composer-reasoning-section button {
  min-height: 32px;
  padding-inline: 6px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  font-weight: 620;
  cursor: pointer;
}

.composer-reasoning-section button.selected {
  background: var(--panel-bg);
  color: var(--text);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.composer-reasoning-section button:focus-visible {
  outline: 2px solid var(--kf-focus-ring);
  outline-offset: 1px;
}

.composer-context-section {
  display: grid;
  gap: 8px;
  padding: 11px 12px 12px;
  border-top: 1px solid var(--control-border);
}

.composer-context-heading,
.composer-context-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.composer-context-heading strong {
  color: var(--text);
  font-size: 14px;
  font-weight: 680;
}

.composer-context-heading span,
.composer-context-meta {
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.composer-context-section.trimmed .composer-context-heading span {
  color: var(--warning);
}

.composer-context-track {
  height: 4px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--control-bg);
}

.composer-context-track > i {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: var(--text-soft);
  transform-origin: left center;
  transition: transform 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

.composer-context-section.trimmed .composer-context-track > i {
  background: var(--warning);
}

@media (prefers-reduced-motion: reduce) {
  .composer-context-track > i {
    transition: none;
  }
}

#page-chat #chat-form.composer .composer-shell > button#chat-submit-btn.composer-send-button[type="submit"] {
  grid-column: 3 !important;
  grid-row: 2 !important;
  width: 36px !important;
  min-width: 36px !important;
  max-width: 36px !important;
  height: 36px !important;
  min-height: 36px !important;
  border-radius: var(--kf-radius-control) !important;
  background: var(--inverse-bg) !important;
  color: var(--inverse-text) !important;
  box-shadow: none !important;
}

#chat-form.composer .composer-shell:has(.selected-skill-pill) {
  grid-template-rows: auto minmax(26px, auto) 36px !important;
}

#chat-form.composer .selected-skill-pill {
  min-height: 28px;
  border: 1px solid var(--control-border);
  border-radius: 9px;
  background: var(--panel-bg-soft);
  font-size: 13px;
}

@media (hover: hover) {
  #chat-form.composer .composer-plus:hover,
  #chat-form.composer .composer-model-trigger:hover {
    border-color: transparent;
    color: var(--text) !important;
    background: var(--control-bg-hover) !important;
  }
}

/* AgentLens refinement: aligned empty composer */
/* AgentLens refinement: Codex composer surface */
#page-chat,
#page-chat .chat-layout,
#page-chat .chat-panel,
#page-chat .messages {
  background: var(--workspace-bg) !important;
}

#page-chat.chat-empty {
  --kf-empty-chat-column: min(860px, calc(100% - 32px));
}

#page-chat.chat-empty .chat-panel {
  position: relative !important;
  display: block !important;
}

#page-chat.chat-empty .messages {
  position: absolute !important;
  inset: 64px 0 144px !important;
  width: 100% !important;
  max-width: none !important;
  min-height: 0 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 0 16px !important;
  overflow: hidden !important;
}

#page-chat.chat-empty .welcome-card {
  width: var(--kf-empty-chat-column) !important;
  max-width: none !important;
  margin: 0 !important;
}

#page-chat.chat-empty .welcome-card h2 {
  width: 100% !important;
  max-width: none !important;
  margin: 0 auto !important;
  transform: none !important;
  color: var(--text) !important;
  font-size: clamp(29px, 2.2vw, 36px) !important;
  font-weight: 440 !important;
  line-height: 1.18 !important;
  letter-spacing: -0.025em !important;
  text-align: center !important;
}

#page-chat.chat-empty #chat-form.composer {
  position: absolute !important;
  z-index: 24;
  left: 50% !important;
  bottom: 18px !important;
  width: var(--kf-empty-chat-column) !important;
  max-width: none !important;
  margin: 0 !important;
  padding: 0 !important;
  transform: translateX(-50%) !important;
}

#page-chat.chat-empty #chat-form.composer .composer-shell,
#page-chat:not(.chat-empty) #chat-form.composer .composer-shell {
  grid-template-columns: 36px minmax(0, 1fr) 36px !important;
  grid-template-rows: minmax(50px, auto) 36px !important;
  column-gap: 6px !important;
  row-gap: 6px !important;
  padding: 12px !important;
  border: 1px solid color-mix(in srgb, var(--control-border) 92%, transparent) !important;
  border-radius: 22px !important;
  background: var(--control-bg) !important;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.07) !important;
}

#chat-form.composer .composer-input-stack textarea {
  min-height: 50px !important;
  padding: 2px 4px !important;
  font-size: 16px !important;
  line-height: 24px !important;
}

#chat-form.composer .composer-input-stack textarea::placeholder {
  color: color-mix(in srgb, var(--text) 52%, transparent);
  opacity: 1;
}

#chat-form.composer .composer-plus {
  width: 36px !important;
  height: 36px !important;
  border-radius: 10px !important;
}

#chat-form.composer .composer-model-picker {
  justify-self: end;
  align-self: center;
  min-width: 0;
}

#chat-form.composer .composer-model-trigger {
  min-height: 34px !important;
  max-width: min(280px, 100%);
  padding: 4px 8px 4px 5px !important;
  border: 0 !important;
  border-radius: 8px !important;
  background: transparent !important;
  box-shadow: none !important;
  font-size: 13px !important;
  font-weight: 620 !important;
}

#chat-form.composer .composer-model-trigger:focus-visible {
  outline: 2px solid var(--kf-focus-ring) !important;
  outline-offset: 1px !important;
}

#chat-form.composer .composer-model-mark {
  width: 18px;
  height: 18px;
  border-radius: 6px;
}

#page-chat #chat-form.composer .composer-shell > button#chat-submit-btn.composer-send-button[type="submit"] {
  width: 36px !important;
  min-width: 36px !important;
  max-width: 36px !important;
  height: 36px !important;
  min-height: 36px !important;
  border-radius: 11px !important;
}

#chat-form.composer .composer-shell:has(.selected-skill-pill) {
  grid-template-rows: auto minmax(50px, auto) 36px !important;
}

/* AgentLens refinement: compact composer menu */
#chat-form.composer .composer-menu {
  left: 0 !important;
  bottom: calc(100% + 10px) !important;
  width: min(288px, calc(100vw - 24px)) !important;
  padding: 6px !important;
  gap: 2px !important;
  border: 1px solid var(--control-border) !important;
  border-radius: 14px !important;
  background: var(--control-bg) !important;
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.12) !important;
  backdrop-filter: none !important;
}

#chat-form.composer .composer-menu.open {
  display: grid;
}

#chat-form.composer .composer-menu > section,
#chat-form.composer .composer-settings-panel {
  min-width: 0;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
}

#chat-form.composer .menu-card.upload-item,
#chat-form.composer .menu-select-card.knowledge-select-card {
  position: relative;
  min-height: 46px;
  margin: 0;
  padding: 7px 8px !important;
  border: 0 !important;
  border-radius: 10px !important;
  background: transparent !important;
  box-shadow: none !important;
  color: var(--text);
  cursor: pointer;
  transition: background 140ms ease-out;
}

#chat-form.composer .menu-card.upload-item {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
}

#chat-form.composer .menu-select-card.knowledge-select-card {
  display: grid;
  grid-template-columns: 32px auto minmax(0, 1fr) 16px;
  align-items: center;
  gap: 10px;
}

#chat-form.composer .composer-menu .menu-icon {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 0 !important;
  border-radius: 9px;
  background: var(--control-bg) !important;
  color: var(--text);
}

#chat-form.composer .composer-menu .menu-icon svg,
#chat-form.composer .menu-select-chevron svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

#chat-form.composer .menu-item-label {
  min-width: 0;
  color: var(--text);
  font-size: 14px;
  font-weight: 610;
  line-height: 20px;
}

#chat-form.composer .menu-item-current {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 13px;
  line-height: 20px;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#chat-form.composer .menu-select-chevron {
  width: 16px;
  height: 16px;
  display: grid;
  place-items: center;
  color: var(--muted);
}

#chat-form.composer .menu-select-card.knowledge-select-card select {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

#chat-form.composer .menu-card.upload-item:hover,
#chat-form.composer .menu-select-card.knowledge-select-card:hover {
  border: 0 !important;
  background: var(--control-bg-hover) !important;
  transform: none !important;
}

#chat-form.composer .menu-card.upload-item:has(input:focus-visible),
#chat-form.composer .menu-select-card.knowledge-select-card:has(select:focus-visible) {
  outline: 2px solid var(--kf-focus-ring);
  outline-offset: -2px;
}

#chat-form.composer .composer-plus.active,
#chat-form.composer .composer-plus.active svg {
  transform: none !important;
}

/* AgentLens refinement: tokenized sidebar and knowledge */
:root {
  --sidebar-width: 252px;
  --sidebar-collapsed-width: 56px;
}

.sidebar {
  width: var(--sidebar-width) !important;
  padding: 10px 8px !important;
  gap: 4px !important;
}

.sidebar {
  border-right-color: var(--control-border) !important;
  background: var(--rail-bg) !important;
}

.sidebar-brand {
  min-height: 42px !important;
  margin: 0 0 2px !important;
  padding: 2px 4px !important;
  gap: 9px !important;
}

.sidebar .brand-mark {
  width: 30px !important;
  height: 30px !important;
  flex-basis: 30px !important;
  border-radius: 9px !important;
}

.sidebar .brand-copy strong {
  font-size: 15px !important;
  font-weight: 650 !important;
  letter-spacing: -0.01em;
}

.sidebar #sidebar-toggle {
  width: 32px !important;
  height: 32px !important;
  border-radius: 8px !important;
}

.sidebar .new-chat-button,
.sidebar .sidebar-tool {
  min-height: 36px !important;
  padding: 6px 8px !important;
  gap: 10px !important;
  border-radius: 8px !important;
  font-size: 14px !important;
  font-weight: 500 !important;
}

.sidebar .new-chat-button span,
.sidebar .nav-icon {
  width: 20px !important;
  height: 20px !important;
  flex-basis: 20px !important;
}

.sidebar #sidebar-toggle:hover,
.sidebar .new-chat-button:hover,
.sidebar .sidebar-tool:hover,
.sidebar .user-menu-button:hover,
.sidebar .sidebar-list-item:hover,
.sidebar-search input:hover,
.sidebar-search input:focus,
.sidebar-refresh-button:hover {
  background: var(--rail-hover) !important;
}

.sidebar .sidebar-tool.active,
.sidebar .session-row.active,
.sidebar .session-row.menu-open {
  background: var(--rail-hover) !important;
}

.chat-history-shell {
  padding-top: 4px !important;
}

.sidebar-search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 32px;
  align-items: center;
  gap: 4px;
  margin: 2px 0 8px;
}

.sidebar-search {
  min-width: 0;
  margin: 0 !important;
}

.sidebar-search span {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
}

.sidebar-search input {
  width: 100%;
  min-height: 36px !important;
  padding: 6px 9px !important;
  border: 0 !important;
  border-radius: 8px !important;
  font-size: 14px !important;
}

.sidebar-search input {
  color: var(--text) !important;
  background: var(--rail-panel) !important;
}

.sidebar-refresh-button {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 8px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
}

.sidebar-refresh-button svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.history-group-title {
  padding: 10px 8px 4px !important;
  font-size: 12px !important;
  font-weight: 620 !important;
}

.sidebar-list {
  gap: 2px !important;
  padding-right: 0 !important;
}

.session-row {
  min-height: 36px;
  grid-template-columns: minmax(0, 1fr) 28px !important;
  gap: 0 !important;
  border-radius: 8px !important;
}

.sidebar-list-item {
  min-height: 36px !important;
  padding: 6px 8px !important;
  border-radius: 8px !important;
}

.sidebar-list-item span {
  font-size: 14px !important;
  font-weight: 450 !important;
}

.session-menu-button {
  width: 28px !important;
  height: 28px !important;
  opacity: 0;
  transition: opacity var(--kf-transition), background-color var(--kf-transition);
}

.session-row:hover .session-menu-button,
.session-row:focus-within .session-menu-button,
.session-row.menu-open .session-menu-button {
  opacity: 1;
}

.sidebar-bottom-tools {
  gap: 1px !important;
  padding-top: 6px !important;
}

.user-menu {
  margin-top: 4px !important;
  padding-top: 5px !important;
  border-top: 1px solid var(--control-border) !important;
}

.sidebar .user-menu-button {
  min-height: 42px !important;
  padding: 6px 8px !important;
  gap: 9px !important;
  border-radius: 8px !important;
}

.sidebar .user-avatar {
  width: 26px !important;
  height: 26px !important;
  flex-basis: 26px !important;
}

body.sidebar-collapsed .sidebar {
  width: var(--sidebar-collapsed-width) !important;
  padding: 10px 6px !important;
  gap: 5px !important;
}

body.sidebar-collapsed .sidebar-brand {
  width: 100%;
  flex-direction: column;
  gap: 4px !important;
  padding: 0 !important;
}

body.sidebar-collapsed .sidebar #sidebar-toggle {
  margin: 0 !important;
}

body.sidebar-collapsed .sidebar .new-chat-button,
body.sidebar-collapsed .sidebar .sidebar-tool,
body.sidebar-collapsed .sidebar .user-menu-button {
  width: 40px !important;
  min-height: 40px !important;
  height: 40px !important;
  padding: 0 !important;
  border-radius: 9px !important;
}

:where(
  #page-knowledge,
  #page-knowledge .workspace-page,
  #page-knowledge .knowledge-hero,
  #page-knowledge .knowledge-shell,
  #page-knowledge .knowledge-rail,
  #page-knowledge .knowledge-primary,
  #page-knowledge .knowledge-tabbar,
  #page-knowledge .knowledge-tab-panel,
  #page-knowledge .documents-tab-content,
  #page-knowledge .document-toolbar,
  #page-knowledge .panel,
  #page-knowledge .settings-panel-card
) {
  background: var(--panel-bg) !important;
}

#page-knowledge :where(
  .knowledge-hero,
  .knowledge-shell,
  .knowledge-rail,
  .knowledge-tabbar,
  .document-toolbar,
  .settings-panel-card,
  input,
  select,
  textarea
) {
  border-color: var(--control-border) !important;
}

#page-knowledge .knowledge-hero {
  min-height: 64px !important;
  padding: 0 28px !important;
}

#page-knowledge .knowledge-hero .eyebrow,
#page-knowledge .kb-list-header .section-label {
  display: none !important;
}

#page-knowledge .knowledge-hero h1 {
  font-size: 26px !important;
  font-weight: 680 !important;
  letter-spacing: -0.02em;
}

#page-knowledge .knowledge-shell {
  grid-template-columns: 288px minmax(0, 1fr) !important;
  border-top: 0 !important;
}

#page-knowledge .knowledge-summary {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 0 24px;
  padding: 8px 0 12px;
  border-bottom: 1px solid var(--control-border);
}

#page-knowledge .knowledge-summary-name {
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

#page-knowledge .knowledge-summary-name span,
#page-knowledge .knowledge-metrics span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

#page-knowledge .knowledge-summary-name strong {
  overflow: hidden;
  color: var(--text);
  font-size: 15px;
  font-weight: 680;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#page-knowledge .knowledge-metrics {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0;
}

#page-knowledge .knowledge-metrics > div {
  min-width: 78px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 0 14px;
  border-left: 1px solid var(--control-border);
}

#page-knowledge .knowledge-metrics strong {
  max-width: 180px;
  overflow: hidden;
  color: var(--text);
  font-size: 13px;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#page-knowledge .knowledge-rail {
  padding: 20px 16px !important;
  border-right: 1px solid var(--control-border) !important;
}

#page-knowledge .kb-list-header {
  min-height: 32px !important;
  margin-bottom: 10px !important;
}

#page-knowledge .kb-list-header h2 {
  font-size: 16px !important;
  font-weight: 650 !important;
}

#page-knowledge .kb-search-box input,
#page-knowledge .active-kb-select select {
  min-height: 40px !important;
  border: 1px solid var(--control-border) !important;
  border-radius: 9px !important;
  box-shadow: none !important;
}

#page-knowledge .kb-search-box input,
#page-knowledge .active-kb-select select {
  color: var(--text) !important;
  background: var(--control-bg) !important;
}

#page-knowledge .kb-card-list {
  gap: 2px !important;
}

#page-knowledge .kb-row,
#page-knowledge .kb-row-main {
  border: 0 !important;
  border-radius: 8px !important;
  box-shadow: none !important;
}

#page-knowledge .kb-row:hover,
#page-knowledge .kb-row-main:hover {
  background: var(--control-bg-hover) !important;
}

#page-knowledge .kb-row.active,
#page-knowledge .kb-row.active .kb-row-main {
  background: var(--control-bg-hover) !important;
}

#page-knowledge .knowledge-tabbar {
  min-height: 54px !important;
  gap: 20px !important;
  padding: 0 24px !important;
  border-bottom: 1px solid var(--control-border) !important;
}

#page-knowledge .knowledge-tab {
  min-height: 54px !important;
  padding: 0 2px !important;
  border: 0 !important;
  border-bottom: 2px solid transparent !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
}

#page-knowledge .knowledge-tab:hover {
  color: var(--text) !important;
  background: transparent !important;
}

#page-knowledge .knowledge-tab.active {
  border-bottom-color: var(--text) !important;
  color: var(--text) !important;
  background: transparent !important;
}

#page-knowledge .knowledge-tab-panel {
  padding: 20px 24px !important;
}

#page-knowledge .document-toolbar {
  padding: 0 0 16px !important;
  border-bottom: 1px solid var(--control-border) !important;
}

#page-knowledge .document-table-panel {
  margin-top: 16px !important;
  border: 0 !important;
  box-shadow: none !important;
}

#page-knowledge .document-table > .empty-state,
#page-knowledge .kb-card-list > .empty-state {
  margin: 0 !important;
  padding: 20px 0 !important;
  border: 0 !important;
  background: transparent !important;
}

#page-knowledge .settings-panel-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0 !important;
  border: 0 !important;
  border-bottom: 1px solid var(--control-border) !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
}

#page-knowledge .settings-panel-card h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 680;
}

#page-knowledge .knowledge-settings-actions {
  display: flex;
  gap: 8px;
}

#page-knowledge .knowledge-settings-actions button {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--control-border);
  border-radius: 9px;
  background: var(--control-bg);
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 620;
}

#page-knowledge .knowledge-settings-actions button:first-child {
  border-color: var(--inverse-bg);
  background: var(--inverse-bg);
  color: var(--inverse-text);
}

@media (hover: none) {
  .session-menu-button {
    opacity: 1;
  }
}

@media (max-width: 760px) {
  .sidebar,
  .sidebar.collapsed,
  body.sidebar-collapsed .sidebar {
    width: 100% !important;
    height: 64px !important;
    min-height: 64px !important;
    flex-direction: row !important;
    align-items: center !important;
    padding: 10px 12px !important;
    gap: 8px !important;
  }

  .sidebar-brand,
  body.sidebar-collapsed .sidebar-brand {
    width: auto !important;
    flex-direction: row !important;
    padding: 0 !important;
  }

  .sidebar #sidebar-toggle,
  .chat-history-shell {
    display: none !important;
  }

  .sidebar-bottom-tools,
  body.sidebar-collapsed .sidebar-bottom-tools {
    width: auto !important;
    display: flex !important;
    flex-direction: row !important;
    margin: 0 0 0 auto !important;
    padding: 0 !important;
  }

  #page-knowledge .knowledge-shell {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  #page-knowledge .knowledge-rail {
    border-right: 0 !important;
    border-bottom: 1px solid var(--control-border) !important;
  }
}

/* AgentLens refinement: run drawer */
.evidence-drawer {
  border: 0 !important;
  border-left: 1px solid var(--control-border) !important;
  border-radius: 0 !important;
  background: var(--panel-bg) !important;
  box-shadow: none !important;
}

.evidence-drawer > .drawer-header {
  padding: 18px 16px 0;
  background: var(--panel-bg);
}

.evidence-drawer > .drawer-header > .icon-button {
  top: 16px;
  right: 16px;
}

.agent-run-summary-head {
  min-height: 42px;
  gap: 12px;
  padding-right: 48px;
}

.agent-run-summary-head h2 {
  font-size: var(--kf-type-title);
  font-weight: 700;
}

.agent-run-summary-head span {
  color: var(--muted);
  font-size: var(--kf-type-meta);
}

.agent-run-status {
  min-height: 26px;
  padding: 0 9px;
  font-size: 12px;
  font-weight: 680;
  animation: agent-run-status-enter 160ms cubic-bezier(0.16, 1, 0.3, 1);
}

.agent-run-summary-actions {
  min-width: 68px;
  display: flex;
  flex: 0 0 auto;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.agent-run-stop {
  min-width: 68px;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 0 11px;
  border: 1px solid var(--control-border);
  border-radius: 9px;
  background: var(--control-bg);
  color: var(--text-soft);
  font: inherit;
  font-size: 13px;
  font-weight: 680;
  cursor: pointer;
  transition:
    transform 120ms cubic-bezier(0.16, 1, 0.3, 1),
    border-color 120ms ease,
    background-color 120ms ease,
    color 120ms ease;
}

.agent-run-stop svg {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
}

.agent-run-stop:hover {
  border-color: color-mix(in srgb, var(--danger) 35%, var(--control-border));
  background: color-mix(in srgb, var(--danger) 7%, var(--panel-bg));
  color: var(--danger);
}

.agent-run-stop:active {
  transform: scale(0.96);
}

.agent-run-stop:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 68%, transparent);
  outline-offset: 2px;
}

.agent-run-status.stopping,
.agent-run-status.cancelled {
  background: color-mix(in srgb, var(--warning) 11%, var(--panel-bg));
  color: color-mix(in srgb, var(--warning) 88%, var(--text));
}

.agent-run-progress {
  position: relative;
}

.agent-run-summary.stopping .agent-run-progress::after {
  position: absolute;
  inset: 0;
  width: 28%;
  background: color-mix(in srgb, var(--warning) 72%, transparent);
  content: "";
  transform: translateX(-120%);
  animation: agent-run-cancel-scan 1.15s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes agent-run-status-enter {
  from {
    opacity: 0;
    transform: translateY(2px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes agent-run-cancel-scan {
  to {
    transform: translateX(460%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .agent-run-status,
  .agent-run-summary.stopping .agent-run-progress::after {
    animation: none;
  }

  .agent-run-stop {
    transition: none;
  }
}

.agent-run-metrics {
  margin: 14px -16px 0;
}

.agent-run-metrics > div {
  gap: 5px;
  padding: 11px 14px;
}

.agent-run-metrics span {
  font-size: 12px;
}

.agent-run-metrics strong {
  font-size: 14px;
  font-weight: 700;
}

.evidence-drawer > .drawer-tabs {
  width: calc(100% - 32px);
  margin: 10px 16px 12px;
}

.drawer-tabs {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2px;
  padding: 2px;
  border: 1px solid var(--control-border);
  border-radius: var(--kf-radius-control);
  background: var(--panel-bg-soft);
  box-shadow: none;
}

.drawer-tabs button {
  min-height: 34px;
  border-radius: 8px;
  font-size: var(--kf-type-label);
  font-weight: 640;
}

.drawer-tabs button[aria-selected="true"] {
  background: var(--panel-bg);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

.agent-trace-section {
  padding: 4px 14px 18px;
}

.agent-trace-tree {
  gap: 2px;
}

.agent-trace-row {
  border-radius: var(--kf-radius-panel);
}

.agent-trace-row.expanded {
  margin-block: 4px 8px;
  border: 1px solid var(--control-border);
  background: var(--panel-bg);
  box-shadow: none;
}

.agent-trace-node {
  min-height: 62px;
  grid-template-columns: 10px 52px minmax(0, 1fr) auto 16px;
  gap: 9px;
  padding: 10px 11px;
  border: 1px solid transparent;
  border-radius: var(--kf-radius-panel);
  background: transparent;
  box-shadow: none;
}

.agent-trace-node.running,
.agent-trace-node.waiting,
.agent-trace-node.selected:not(.expanded) {
  border-color: var(--control-border);
  background: var(--panel-bg-soft);
  box-shadow: none;
}

.agent-trace-node-copy strong {
  font-size: 14px;
  font-weight: 680;
  line-height: 1.35;
}

.agent-trace-node-copy small,
.agent-trace-node-time {
  font-size: 12px;
}

.agent-trace-kind {
  max-width: 52px;
  padding: 4px 6px;
  border-radius: 6px;
  font-size: 10px;
  letter-spacing: 0.035em;
}

.agent-trace-step-detail {
  gap: 12px;
  margin: 0 10px 10px 72px;
  padding: 12px;
  border: 0;
  border-top: 1px solid var(--control-border);
  border-radius: 0;
  background: transparent;
}

.agent-trace-reason > span,
.agent-trace-memory-items > span,
.agent-trace-fields dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 620;
}

.agent-trace-reason p,
.agent-trace-fields dd,
.agent-trace-memory-items p {
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.55;
}

.agent-trace-fields > div {
  padding: 9px 10px;
  border: 1px solid var(--control-border);
  border-radius: 8px;
  background: var(--panel-bg-soft);
}

.agent-trace-detail-actions button {
  min-height: 34px;
  border-radius: 8px;
  background: var(--control-bg);
  font-size: 12px;
}

.agent-output-section {
  min-height: 0;
  padding: 4px 14px 18px;
}

.agent-tool-output {
  min-height: 100%;
  display: grid;
  align-content: start;
  gap: 10px;
}

.agent-tool-output-list {
  max-height: 174px;
  display: grid;
  gap: 2px;
  overflow-y: auto;
  padding: 2px;
  border: 1px solid var(--control-border);
  border-radius: var(--kf-radius-control);
  background: var(--panel-bg-soft);
}

.agent-tool-output-call {
  width: 100%;
  min-height: 48px;
  display: grid;
  grid-template-columns: 8px minmax(0, 1fr) 14px;
  align-items: center;
  gap: 10px;
  padding: 7px 9px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition:
    transform 120ms cubic-bezier(0.16, 1, 0.3, 1),
    border-color 140ms ease,
    background-color 140ms ease;
}

.agent-tool-output-call.is-active {
  border-color: var(--control-border);
  background: var(--panel-bg);
}

.agent-tool-output-call:active {
  transform: scale(0.985);
}

.agent-tool-output-call:focus-visible,
.agent-tool-console-actions button:focus-visible,
.agent-tool-console-scroll:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 68%, transparent);
  outline-offset: 1px;
}

.agent-tool-output-status {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
}

.agent-tool-output-status.success {
  background: var(--success);
}

.agent-tool-output-status.danger {
  background: var(--danger);
}

.agent-tool-output-status.running {
  background: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.14);
}

.agent-tool-output-call-copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.agent-tool-output-call-copy strong,
.agent-tool-output-call-copy small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-tool-output-call-copy strong {
  font-size: 13px;
  font-weight: 680;
}

.agent-tool-output-call-copy small {
  color: var(--muted);
  font-size: 11px;
}

.agent-tool-output-chevron {
  color: var(--muted);
  font-size: 18px;
  transform: translateX(-2px);
  transition: transform 140ms cubic-bezier(0.16, 1, 0.3, 1);
}

.agent-tool-output-call.is-active .agent-tool-output-chevron {
  color: var(--text-soft);
  transform: translateX(0);
}

.agent-tool-console {
  min-height: 330px;
  display: grid;
  grid-template-rows: auto auto minmax(220px, 1fr) auto;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: var(--kf-radius-panel);
  background: #0d121a;
  color: #e5edf7;
}

.agent-tool-console-header {
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 6px 8px 6px 12px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
  background: #111823;
}

.agent-tool-console-header > div:first-child {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.agent-tool-console-header strong {
  overflow: hidden;
  font-size: 12px;
  font-weight: 680;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-tool-console-state {
  flex: 0 0 auto;
  color: #94a3b8;
  font-size: 10px;
}

.agent-tool-console-state.success {
  color: #86efac;
}

.agent-tool-console-state.danger {
  color: #fca5a5;
}

.agent-tool-console-state.running {
  color: #93c5fd;
}

.agent-tool-console-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 3px;
}

.agent-tool-console-actions button {
  min-width: 44px;
  min-height: 32px;
  padding: 0 8px;
  border: 1px solid transparent;
  border-radius: 7px;
  background: transparent;
  color: #94a3b8;
  font: inherit;
  font-size: 11px;
  cursor: pointer;
  transition:
    transform 120ms cubic-bezier(0.16, 1, 0.3, 1),
    border-color 120ms ease,
    background-color 120ms ease,
    color 120ms ease;
}

.agent-tool-console-actions button.is-active,
.agent-tool-console-actions button:hover:not(:disabled) {
  border-color: rgba(148, 163, 184, 0.2);
  background: rgba(148, 163, 184, 0.1);
  color: #e5edf7;
}

.agent-tool-console-actions button:active:not(:disabled) {
  transform: scale(0.96);
}

.agent-tool-console-actions button:disabled {
  opacity: 0.42;
  cursor: default;
}

.agent-tool-console-command {
  min-width: 0;
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 7px;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.14);
  background: #0f1620;
  color: #cbd5e1;
  font: 12px/1.5 "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

.agent-tool-console-command > span {
  color: #60a5fa;
}

.agent-tool-console-command code {
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.agent-tool-console-scroll {
  min-height: 220px;
  max-height: min(52vh, 520px);
  overflow: auto;
  padding: 12px;
  scrollbar-color: rgba(148, 163, 184, 0.32) transparent;
}

.agent-tool-console-section + .agent-tool-console-section {
  margin-top: 16px;
}

.agent-tool-console-section > span {
  display: block;
  margin-bottom: 6px;
  color: #64748b;
  font: 10px/1.2 "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.agent-tool-console-section.warning > span {
  color: #fbbf24;
}

.agent-tool-console-section.danger > span {
  color: #fb7185;
}

.agent-tool-console-section pre {
  max-width: 100%;
  margin: 0;
  overflow: visible;
  color: #dbe6f3;
  font: 12px/1.62 "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  overflow-wrap: anywhere;
  tab-size: 2;
  white-space: pre-wrap;
}

.agent-tool-console-section.warning pre {
  color: #fde68a;
}

.agent-tool-console-section.danger pre {
  color: #fecdd3;
}

.agent-tool-console-empty {
  min-height: 196px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  color: #64748b;
  font-size: 12px;
}

.agent-tool-console-empty i {
  width: 6px;
  height: 14px;
  background: #60a5fa;
  animation: agent-output-cursor 900ms steps(1, end) infinite;
}

.agent-tool-console-footer {
  min-height: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 12px;
  border-top: 1px solid rgba(148, 163, 184, 0.14);
  color: #64748b;
  font: 10px/1 "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

.agent-tool-output-empty {
  min-height: 280px;
  display: grid;
  place-content: center;
  gap: 6px;
  padding: 24px;
  color: var(--muted);
  text-align: center;
}

.agent-tool-output-empty strong {
  color: var(--text-soft);
  font-size: 14px;
}

.agent-tool-output-empty span {
  max-width: 260px;
  font-size: 13px;
  line-height: 1.5;
}

@keyframes agent-output-cursor {
  50% {
    opacity: 0;
  }
}

@media (hover: hover) {
  .agent-tool-output-call:hover:not(.is-active) {
    background: var(--control-bg-hover);
  }
}

@media (prefers-reduced-motion: reduce) {
  .agent-tool-output-call,
  .agent-tool-output-chevron,
  .agent-tool-console-actions button {
    transition: none;
  }

  .agent-tool-console-empty i {
    animation: none;
  }
}

#agent-evidence-panel .drawer-section {
  padding: 14px 16px 18px;
}

#agent-evidence-panel :where(.item, .rag-quality-card, .timeline-item) {
  border-color: var(--control-border);
  border-radius: var(--kf-radius-panel);
  background: var(--panel-bg-soft);
  box-shadow: none;
}

#agent-evidence-panel :where(pre, code) {
  max-width: 100%;
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

/* AgentLens refinement: settings */
#page-settings .settings-workspace {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 100vh;
}

.settings-workspace-shell {
  min-height: 0;
  grid-template-columns: 292px minmax(0, 1fr);
  margin: 20px 24px 24px;
  overflow: hidden;
  border: 1px solid var(--control-border);
  border-radius: var(--kf-radius-panel);
  background: var(--panel-bg);
  box-shadow: none;
}

.model-config-list {
  border-right: 1px solid var(--control-border);
  background: color-mix(in srgb, var(--workspace-bg) 72%, var(--panel-bg));
}

.model-config-list-header {
  min-height: 48px;
  padding: 0 14px;
  border-bottom: 1px solid var(--control-border);
}

.model-config-list-header strong {
  font-size: var(--kf-type-label);
  font-weight: 680;
}

.model-config-list-header span {
  min-width: 24px;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--control-bg);
  font-size: 12px;
}

.model-config-item {
  min-height: 76px;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--control-border);
  background: transparent;
  transition: background-color var(--kf-transition);
}

.model-config-item::before {
  inset-block: 12px;
  width: 2px;
}

.model-config-item.selected {
  background: var(--panel-bg);
}

.model-config-provider-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--control-bg);
  font-size: 10px;
}

.model-config-item-copy {
  gap: 2px;
}

.model-config-item-copy strong {
  font-size: 14px;
  font-weight: 680;
}

.model-config-item-copy span {
  font-size: 13px;
}

.model-config-item-copy small,
.model-config-status,
.model-config-default {
  font-size: 12px;
}

.model-config-default {
  padding: 2px 6px;
}

.settings-workspace-detail {
  min-width: 0;
  background: var(--panel-bg);
}

.model-config-details,
.model-config-form {
  min-width: 0;
  gap: 18px;
  padding: 22px 24px 26px;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.model-config-detail-header,
.model-config-form-header {
  min-height: 52px;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--control-border);
}

.model-config-detail-header h2,
.model-config-form-header h2 {
  margin: 5px 0 2px;
  font-size: var(--kf-type-title);
  font-weight: 700;
}

.model-config-detail-header p {
  font-size: 13px;
}

.model-config-detail-grid {
  gap: 0 24px;
}

.model-config-detail-grid > div {
  padding: 12px 0;
  border-bottom: 1px solid var(--control-border);
}

.model-config-detail-grid dt {
  margin-bottom: 4px;
  font-size: 12px;
  font-weight: 600;
}

.model-config-detail-grid dd {
  font-size: 14px;
  font-weight: 580;
}

.model-config-detail-actions,
#page-settings .button-row {
  gap: 8px;
  padding-top: 2px;
}

.model-config-detail-actions button,
#page-settings .button-row button {
  min-height: 38px;
  padding: 0 14px;
  border-radius: var(--kf-radius-control);
  font-size: 14px;
  font-weight: 640;
}

#page-settings .model-config-form .form-grid {
  gap: 14px 12px;
}

#page-settings .model-config-form label {
  gap: 6px;
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 620;
}

#page-settings .model-config-form input,
#page-settings .model-config-form select {
  min-height: 40px;
  border-radius: var(--kf-radius-control);
  background: var(--control-bg);
}

#page-settings #provider-grid.provider-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0;
}

#page-settings #provider-grid .provider-card {
  width: auto;
  min-width: 0;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--control-border);
  border-radius: 9px;
  color: var(--text-soft);
  background: var(--control-bg);
  box-shadow: none;
}

#page-settings #provider-grid .provider-card strong {
  font-size: 13px;
  font-weight: 650;
}

#page-settings #provider-grid .provider-card.selected {
  border-color: var(--inverse-bg);
  color: var(--inverse-text);
  background: var(--inverse-bg);
}

.settings-list-empty,
.settings-detail-empty {
  min-height: 220px;
  gap: 6px;
  padding: 24px;
  color: var(--muted);
  font-size: 14px;
}

@media (hover: hover) {
  .model-config-item:hover {
    background: var(--control-bg-hover);
  }

  #page-settings #provider-grid .provider-card:hover:not(.selected) {
    border-color: var(--line-strong);
    color: var(--text);
    background: var(--control-bg-hover);
  }
}

/* AgentLens refinement: responsive */
@media (max-width: 1180px) {
  :root {
    --drawer-width: min(360px, 38vw);
  }

  .chat-layout {
    position: relative;
    grid-template-columns: minmax(0, 1fr);
  }

  .chat-panel {
    height: calc(100dvh - 24px);
    min-height: 0;
  }

  .evidence-drawer {
    position: absolute;
    z-index: 40;
    top: 12px;
    right: 12px;
    bottom: 12px;
    width: var(--drawer-width);
    max-width: calc(100% - 24px);
    height: auto;
    min-width: min(320px, calc(100% - 24px));
    min-height: 0;
    border: 0 !important;
    border-radius: 14px !important;
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.16) !important;
    transition:
      opacity 140ms cubic-bezier(0.16, 1, 0.3, 1),
      transform 180ms cubic-bezier(0.16, 1, 0.3, 1),
      visibility 0s linear;
  }

  body.drawer-collapsed .evidence-drawer {
    display: grid;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transform: translateX(12px);
    transition:
      opacity 140ms cubic-bezier(0.16, 1, 0.3, 1),
      transform 180ms cubic-bezier(0.16, 1, 0.3, 1),
      visibility 0s linear 180ms;
  }

  .agent-trace-node {
    grid-template-columns: 10px 48px minmax(0, 1fr) auto 14px;
    gap: 7px;
  }
}

@media (max-width: 1180px), (pointer: coarse) {
  .evidence-drawer > .drawer-header > .icon-button {
    width: 44px;
    min-width: 44px;
    height: 44px;
    min-height: 44px;
  }

  .evidence-drawer button,
  #page-chat .chat-topbar .secondary-button,
  #page-chat .chat-topbar .chat-topbar-actions button,
  #page-chat .chat-jump-to-latest,
  #chat-form.composer .composer-model-trigger,
  #chat-form.composer .composer-permission-trigger {
    min-height: 44px !important;
  }

  #page-chat #refresh-btn {
    width: 44px;
  }

  #page-chat .message-actions {
    min-height: 44px;
  }

  #page-chat .message-actions button,
  #page-chat .message-actions .retry-answer-button {
    width: 44px;
    min-width: 44px;
    height: 44px;
    min-height: 44px;
  }
}

@media (max-width: 900px) {
  .settings-workspace-shell {
    min-height: 0;
    grid-template-columns: minmax(0, 1fr);
  }

  .model-config-list {
    max-height: 300px;
    border-right: 0;
    border-bottom: 1px solid var(--control-border);
  }

  #page-knowledge .knowledge-shell {
    grid-template-columns: minmax(220px, 30vw) minmax(0, 1fr);
  }

  #page-tools .tools-content {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  :root {
    --kf-type-page: 24px;
  }

  #page-chat.chat-empty {
    --kf-empty-chat-column: calc(100vw - 24px);
  }

  #page-chat.chat-empty .messages {
    inset: 56px 0 136px !important;
    left: 0 !important;
    right: auto !important;
    width: 100vw !important;
    padding-inline: 12px !important;
  }

  #page-chat.chat-empty .welcome-card h2 {
    font-size: clamp(27px, 8vw, 32px) !important;
  }

  #page-chat.chat-empty #chat-form.composer {
    left: 50vw !important;
    bottom: 12px !important;
  }

  :where(.settings-header, .memory-header) {
    min-height: 64px;
    padding-inline: 16px;
  }

  #chat-form.composer {
    padding-inline: 12px;
  }

  #page-chat.chat-empty #chat-form.composer .composer-shell,
  #page-chat:not(.chat-empty) #chat-form.composer .composer-shell {
    grid-template-columns: 44px minmax(0, 1fr) 44px !important;
    grid-template-rows: minmax(46px, auto) 44px !important;
    padding: 10px !important;
    border-radius: 20px !important;
  }

  #chat-form.composer .composer-input-stack textarea {
    min-height: 46px !important;
  }

  #chat-form.composer .composer-plus {
    width: 44px !important;
    height: 44px !important;
  }

  #chat-form.composer .composer-model-trigger {
    max-width: min(190px, calc(100vw - 128px));
  }

  #page-chat #chat-form.composer .composer-shell > button#chat-submit-btn.composer-send-button[type="submit"] {
    width: 44px !important;
    min-width: 44px !important;
    max-width: 44px !important;
    height: 44px !important;
    min-height: 44px !important;
  }

  .evidence-drawer {
    top: 8px;
    right: 8px;
    bottom: 8px;
    left: 8px;
    width: auto;
    max-width: none;
    min-width: 0;
    border-radius: 12px !important;
  }

  body.drawer-collapsed .evidence-drawer {
    transform: translateY(12px);
  }

  .agent-trace-section {
    padding-inline: 10px;
  }

  .agent-output-section {
    padding-inline: 10px;
  }

  .agent-tool-console {
    min-height: 300px;
  }

  .agent-tool-console-scroll {
    max-height: 46vh;
  }

  .agent-trace-row {
    width: calc(100% - var(--trace-depth) * 10px);
    margin-left: calc(var(--trace-depth) * 10px);
  }

  .agent-trace-node {
    min-height: 58px;
    grid-template-columns: 8px 44px minmax(0, 1fr) 14px;
    gap: 7px;
    padding: 9px;
  }

  .agent-trace-node-time {
    grid-column: 3;
    justify-self: start;
  }

  .agent-trace-node-chevron {
    grid-column: 4;
    grid-row: 1 / span 2;
  }

  .agent-trace-step-detail {
    margin-left: 54px;
    padding: 10px;
  }

  .agent-trace-fields {
    grid-template-columns: minmax(0, 1fr);
  }

  .settings-workspace-shell {
    margin: 12px 14px 18px;
    border-radius: 12px;
  }

  .model-config-details,
  .model-config-form {
    padding: 18px 16px 22px;
  }

  .model-config-detail-grid,
  #page-settings .model-config-form .form-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  #page-settings .model-config-form .form-grid .wide {
    grid-column: auto;
  }

  #page-knowledge .knowledge-shell {
    grid-template-columns: minmax(0, 1fr);
  }

  #page-knowledge .knowledge-rail {
    max-height: 260px;
    border-right: 0;
    border-bottom: 1px solid var(--control-border);
  }

  #page-knowledge :where(.knowledge-hero, .knowledge-tabbar, .document-toolbar, .knowledge-actionbar) {
    padding-inline: 16px;
  }

  #page-skills .skills-content,
  #page-tools .tools-content {
    margin: 12px 14px 18px;
  }

  #page-skills .skills-content {
    border-radius: 12px;
  }

  #page-skills .skills-toolbar {
    grid-template-columns: minmax(0, 1fr);
  }

  #page-skills .skills-list-row {
    min-height: 0;
  }

  #page-skills .skill-row-detail {
    min-height: 0;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
  }

  #page-memory .memory-workspace {
    padding-inline: 16px;
  }

  #page-memory .memory-header {
    margin-inline: -16px;
    padding-inline: 16px;
  }

  #page-memory .memory-item-meta {
    align-items: flex-start;
  }

  #page-tools .tools-content {
    padding: 0;
  }

  #page-tools .tools-overview {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Isolated workbench browser */
.workspace-browser {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 34px 36px 64px;
}

.workspace-browser-header,
.workspace-browser-actions,
.workspace-runtime-strip,
.workspace-breadcrumb,
.workspace-file-row,
.workspace-file-open {
  display: flex;
  align-items: center;
}

.workspace-browser-header {
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.workspace-browser-header h1 {
  margin: 0;
  font-size: 28px;
  line-height: 1.2;
}

.workspace-browser-actions { gap: 8px; }
.workspace-browser-actions button {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--control-border);
  border-radius: 9px;
  background: var(--panel-bg);
}
.workspace-browser-actions .primary { color: white; background: var(--text); }

.workspace-runtime-strip {
  gap: 10px;
  padding: 18px 0 12px;
}
.workspace-runtime-strip span {
  padding: 5px 9px;
  border-radius: 999px;
  color: var(--muted);
  background: var(--control-bg);
  font-size: 14px;
  font-weight: 600;
}
.workspace-runtime-strip span.ready { color: var(--success); }
.workspace-runtime-strip span.warning { color: var(--warning); }
.workspace-runtime-strip span.danger { color: var(--danger); }

.workspace-boundary-card {
  margin: 4px 0 14px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: color-mix(in srgb, var(--panel-bg) 94%, var(--control-bg));
}
.workspace-boundary-head,
.workspace-boundary-grid {
  display: flex;
  align-items: center;
}
.workspace-boundary-head {
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.workspace-boundary-head strong { font-size: 15px; }
.workspace-boundary-head span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}
.workspace-boundary-head span.ready { color: var(--success); }
.workspace-boundary-head span.warning { color: var(--warning); }
.workspace-boundary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}
.workspace-boundary-grid div { min-width: 0; }
.workspace-boundary-grid span,
.workspace-boundary-grid strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.workspace-boundary-grid span {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
}
.workspace-boundary-grid strong { font-size: 13px; }

.workspace-breadcrumb {
  min-height: 44px;
  gap: 4px;
  border-bottom: 1px solid var(--border);
}
.workspace-breadcrumb button {
  border: 0;
  color: var(--muted);
  background: transparent;
}
.workspace-breadcrumb button + button::before { content: "/"; margin-right: 8px; color: var(--border-strong); }

.workspace-file-workarea {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}
.workspace-file-workarea.has-preview {
  grid-template-columns: minmax(300px, .9fr) minmax(0, 1.1fr);
}
.workspace-file-list {
  min-width: 0;
  min-height: 180px;
  padding-top: 10px;
}
.workspace-file-list.is-loading .workspace-file-row {
  opacity: .62;
  pointer-events: none;
}
.workspace-file-row {
  min-height: 54px;
  border-bottom: 1px solid var(--border);
}
.workspace-file-row.is-active {
  border-color: var(--control-border);
  background: color-mix(in srgb, var(--control-bg) 72%, transparent);
}
.workspace-file-open {
  flex: 1;
  min-width: 0;
  gap: 12px;
  border: 0;
  background: transparent;
  text-align: left;
}
.workspace-file-open strong { flex: 1; overflow: hidden; text-overflow: ellipsis; }
.workspace-file-open span:last-child { color: var(--muted); }
.workspace-file-icon { width: 22px; color: var(--muted); text-align: center; }
.workspace-file-actions,
.workspace-preview-actions {
  display: flex;
  align-items: center;
  gap: 2px;
}
.workspace-file-actions a,
.workspace-file-actions button,
.workspace-preview-actions a,
.workspace-preview-actions button {
  min-height: 32px;
  padding: 0 8px;
  border: 0;
  border-radius: 7px;
  color: var(--muted);
  background: transparent;
  font: inherit;
  text-decoration: none;
}
.workspace-file-actions a:hover,
.workspace-preview-actions a:hover,
.workspace-preview-actions button:hover:not(:disabled) {
  color: var(--text);
  background: var(--control-bg);
}
.workspace-file-actions .workspace-file-delete { color: var(--danger); }
.workspace-empty { padding: 64px 12px; color: var(--muted); text-align: center; }

.workspace-file-preview {
  position: sticky;
  top: 18px;
  display: flex;
  min-width: 0;
  max-height: min(72vh, 720px);
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--control-border);
  border-radius: 12px;
  background: var(--panel-bg);
}
.workspace-file-preview:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 2px;
}
.workspace-preview-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  min-height: 58px;
  padding: 12px 12px 10px 16px;
  border-bottom: 1px solid var(--border);
}
.workspace-preview-title {
  min-width: 0;
}
.workspace-preview-title strong,
.workspace-preview-title span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.workspace-preview-title strong {
  margin-bottom: 3px;
  font-size: 16px;
}
.workspace-preview-title span {
  color: var(--muted);
  font-size: 13px;
}
.workspace-preview-actions {
  flex: 0 0 auto;
}
.workspace-preview-actions button:disabled {
  opacity: .38;
}
.workspace-preview-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 38px;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}
.workspace-preview-content {
  min-height: 0;
  overflow: auto;
}
.workspace-preview-content pre {
  min-height: 240px;
  margin: 0;
  padding: 16px;
  overflow: auto;
  color: var(--text);
  background: transparent;
  font: 13px/1.65 ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  tab-size: 2;
  white-space: pre;
  unicode-bidi: plaintext;
}
.workspace-preview-truncated {
  padding: 9px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--warning);
  background: color-mix(in srgb, var(--warning) 8%, transparent);
  font-size: 13px;
  font-weight: 600;
}
.workspace-preview-state {
  display: flex;
  min-height: 240px;
  padding: 28px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--muted);
  text-align: center;
}
.workspace-preview-state strong {
  color: var(--text);
  font-size: 16px;
}
.workspace-preview-state a,
.workspace-preview-state button {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--control-border);
  border-radius: 8px;
  color: var(--text);
  background: var(--panel-bg);
  font: inherit;
  line-height: 34px;
  text-decoration: none;
}
.workspace-preview-state.error strong,
.workspace-preview-state.error span {
  color: var(--danger);
}
.workspace-loading {
  display: grid;
  align-content: center;
  gap: 18px;
  min-height: 220px;
  padding: 40px 12px 56px;
}
.workspace-loading-heading,
.workspace-refreshing {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--text);
}
.workspace-loading-heading { justify-content: center; }
.workspace-loading-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--text);
  animation: workspace-loading-pulse 1.2s ease-in-out infinite;
}
.workspace-loading-skeleton {
  display: grid;
  width: min(100%, 560px);
  gap: 10px;
  margin: 0 auto;
}
.workspace-loading-row {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  border-bottom: 1px solid var(--border);
  animation: workspace-loading-pulse 1.4s ease-in-out infinite;
}
.workspace-loading-row:nth-child(2) { animation-delay: 90ms; }
.workspace-loading-row:nth-child(3) { animation-delay: 180ms; }
.workspace-loading-row:nth-child(4) { animation-delay: 270ms; }
.workspace-loading-row > span {
  display: block;
  height: 10px;
  border-radius: 5px;
  background: var(--control-bg);
}
.workspace-loading-icon { width: 22px; }
.workspace-loading-name { flex: 1; }
.workspace-loading-meta { width: 56px; }
.workspace-refreshing {
  min-height: 36px;
  padding: 0 12px 8px;
  color: var(--muted);
  font-size: 13px;
}

@keyframes workspace-loading-pulse {
  0%, 100% { opacity: .46; transform: scale(.96); }
  50% { opacity: 1; transform: scale(1); }
}

@media (max-width: 720px) {
  .workspace-browser { padding: 24px 18px 48px; }
  .workspace-browser-header { align-items: flex-start; }
  .workspace-runtime-strip { flex-wrap: wrap; }
  .workspace-boundary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .workspace-preview-header { flex-direction: column; }
  .workspace-preview-actions { width: 100%; }
}

@media (max-width: 900px) {
  .workspace-file-workarea.has-preview { grid-template-columns: minmax(0, 1fr); }
  .workspace-file-preview {
    position: relative;
    top: auto;
    order: -1;
    max-height: 60vh;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .workspace-loading-dot,
  .workspace-loading-row {
    animation: none !important;
    opacity: .72;
    transform: none;
  }
}

/* Keep the white shell usable on narrow screens without changing desktop hierarchy. */
@media (max-width: 760px) {
  .sidebar-bottom-tools,
  body.sidebar-collapsed .sidebar-bottom-tools {
    min-width: 0 !important;
    flex: 1 1 auto !important;
    overflow-x: auto !important;
    overscroll-behavior-inline: contain;
    scrollbar-width: none;
  }

  .sidebar-bottom-tools::-webkit-scrollbar {
    display: none;
  }

  #page-knowledge .knowledge-hero {
    width: 100%;
    box-sizing: border-box;
    gap: 12px !important;
    padding-inline: 0 !important;
  }

  #page-knowledge .knowledge-hero .hero-actions {
    min-width: 0;
    flex: 0 1 auto;
    justify-content: flex-end;
  }

  #page-knowledge .knowledge-hero .hero-actions button {
    white-space: nowrap;
  }

  #page-knowledge .knowledge-primary,
  #page-knowledge .document-toolbar,
  #page-knowledge .active-kb-select {
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
  }

  #page-knowledge .active-kb-select select {
    width: 100%;
  }

  #page-knowledge .knowledge-summary {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    margin-inline: 0;
  }

  #page-knowledge .knowledge-metrics {
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
  }

  #page-knowledge .knowledge-metrics > div:first-child {
    padding-left: 0;
    border-left: 0;
  }
}

/* AgentLens refinement: model settings workspace */
#page-settings .settings-workspace-shell {
  grid-template-columns: 304px minmax(0, 1fr);
  background: var(--panel-bg);
  border-color: var(--control-border);
  border-radius: 12px;
}

#page-settings :where(
  .settings-workspace,
  .settings-workspace-shell,
  .model-config-list,
  .settings-workspace-detail,
  .model-config-details
) {
  background: var(--panel-bg) !important;
}

.model-config-list-header {
  min-height: 46px;
  padding-inline: 16px;
  background: var(--panel-bg);
}

.model-config-item {
  min-height: 70px;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  gap: 10px;
  padding: 10px 12px;
  transition: background-color 140ms ease, color 140ms ease;
}

.model-config-item::before {
  display: none;
}

.model-config-item.selected {
  background: var(--control-bg-hover) !important;
}

.model-config-provider-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
}

.model-config-item-copy {
  gap: 5px;
}

.model-config-item-title {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 7px;
}

.model-config-item-title strong {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-config-item-meta {
  overflow: hidden;
  color: var(--muted) !important;
  font-size: 12px !important;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-config-item .model-config-default {
  flex: 0 0 auto;
  padding: 1px 6px;
  color: var(--text-soft);
  background: var(--control-bg);
  font-size: 11px;
}

.model-config-item-state {
  align-self: center;
}

.model-config-item-state .model-config-status {
  font-size: 12px;
}

.model-config-details {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  gap: 20px;
  padding: 28px 32px 34px;
}

.model-config-form {
  max-width: 960px;
  margin: 0 auto;
  padding: 28px 32px 34px;
}

.model-config-detail-header {
  min-height: 0;
  align-items: flex-start;
  padding-bottom: 20px;
}

.model-config-heading {
  min-width: 0;
}

.model-config-heading-state {
  display: flex;
  align-items: center;
  gap: 8px;
}

.model-config-heading .model-config-default {
  padding: 2px 7px;
  color: var(--text-soft);
  background: var(--control-bg);
}

.model-config-heading h2 {
  margin: 8px 0 2px;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.model-config-heading p {
  font-size: 14px;
}

.model-config-capabilities {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.model-config-capabilities span {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  padding: 0 9px;
  border: 1px solid var(--control-border);
  border-radius: 8px;
  color: var(--text-soft);
  background: transparent;
  font-size: 12px;
  font-weight: 620;
}

.model-config-detail-grid {
  gap: 0 32px;
}

.model-config-detail-grid > div {
  padding: 13px 0;
}

.model-config-detail-grid dt,
.model-config-detail-grid dd {
  background: transparent !important;
}

.model-config-detail-grid dt {
  margin-bottom: 3px;
  color: var(--muted);
  font-size: 12px;
}

.model-config-detail-grid dd {
  color: var(--text);
  font-size: 14px;
  font-weight: 560;
}

.model-config-connection-result {
  min-height: 48px;
  display: grid;
  grid-template-columns: 8px minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  padding: 12px 0;
  border-block: 1px solid var(--control-border);
  background: transparent;
}

.model-config-connection-dot {
  width: 8px;
  height: 8px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--muted);
}

.model-config-connection-result > div {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.model-config-connection-result strong {
  font-size: 14px;
  font-weight: 680;
}

.model-config-connection-summary,
.model-config-connection-action {
  display: block;
  overflow-wrap: anywhere;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.model-config-connection-action {
  color: var(--text);
}

.model-config-connection-technical {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.model-config-connection-technical-toggle {
  width: fit-content;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.model-config-protocol-switch {
  width: fit-content;
  min-height: 34px;
  margin-top: 8px;
  padding: 6px 12px;
  border: 1px solid var(--inverse-bg);
  border-radius: 10px;
  background: var(--inverse-bg);
  color: var(--inverse-text);
  font-size: 14px;
  font-weight: 650;
  cursor: pointer;
}

.model-config-protocol-switch:disabled {
  cursor: wait;
  opacity: 0.55;
}

.model-config-protocol-attempts {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.model-config-protocol-attempts [data-status="available"] {
  color: var(--success);
}

.model-config-connection-technical code {
  display: block;
  margin-top: 6px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  color: inherit;
}

.model-config-connection-result[data-status="success"] .model-config-connection-dot {
  background: var(--success);
}

.model-config-connection-result[data-status="error"] .model-config-connection-dot {
  background: var(--danger);
}

.model-config-detail-actions {
  position: relative;
  justify-content: flex-start;
  align-items: center;
  padding-top: 4px;
}

.model-config-detail-actions .model-config-test-button {
  border-color: var(--inverse-bg);
  color: var(--inverse-text);
  background: var(--inverse-bg);
}

.model-config-more-menu {
  position: relative;
}

.model-config-more-trigger {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--control-border);
  border-radius: var(--kf-radius-control);
  color: var(--text-soft);
  background: var(--control-bg);
  cursor: pointer;
  list-style: none;
}

.model-config-more-trigger svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

#page-settings .model-config-form label {
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 650;
}

#page-settings .model-config-form input,
#page-settings .model-config-form select {
  min-height: 40px;
  border-color: var(--control-border);
  background: var(--control-bg);
  color: var(--text);
}

#page-settings .model-config-form input:focus,
#page-settings .model-config-form select:focus {
  border-color: var(--line-strong);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--text) 8%, transparent);
}

#page-settings .model-config-form .button-row {
  justify-content: flex-start;
  padding-top: 6px;
}

#page-settings .model-config-form .button-row button {
  min-height: 38px;
  border-radius: 9px;
}

.settings-list-empty,
.settings-detail-empty {
  min-height: 280px;
  align-content: center;
}

.model-config-more-menu.is-open .model-config-more-trigger,
.model-config-more-trigger:hover {
  color: var(--text);
  background: var(--control-bg-hover);
}

.model-config-more-popover {
  position: absolute;
  z-index: 10;
  top: calc(100% + 6px);
  left: 0;
  min-width: 132px;
  padding: 5px;
  border: 1px solid var(--control-border);
  border-radius: 10px;
  background: var(--panel-bg);
  box-shadow: var(--shadow-soft);
}

.model-config-more-popover button {
  width: 100%;
  min-height: 34px;
  padding: 0 10px;
  border: 0;
  border-radius: 7px;
  color: var(--danger);
  background: transparent;
  text-align: left;
}

.model-config-more-popover button:hover {
  background: color-mix(in srgb, var(--danger) 8%, transparent);
}

@media (max-width: 900px) {
  #page-settings .settings-workspace-shell {
    grid-template-columns: minmax(0, 1fr);
  }

  #page-settings .model-config-list {
    max-height: 292px;
  }

  .model-config-details {
    max-width: none;
  }
}

@media (max-width: 720px) {
  .model-config-details {
    padding: 20px 16px 26px;
  }

  .model-config-detail-header {
    display: grid;
  }

  .model-config-capabilities {
    justify-content: flex-start;
  }

  .model-config-detail-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .model-config-detail-actions {
    align-items: stretch;
  }

  .model-config-detail-actions > button {
    flex: 1 1 140px;
  }
}

/* Chat viewport ownership: follow output only while the reader stays pinned. */
#page-chat .chat-jump-to-latest {
  position: absolute;
  z-index: 25;
  left: 50%;
  bottom: 126px;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px 7px 10px;
  transform: translateX(-50%);
  border: 1px solid color-mix(in srgb, var(--control-border) 92%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel-bg) 96%, var(--bg));
  color: var(--text);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  font: inherit;
  font-size: 13px;
  font-weight: 650;
  line-height: 1;
  cursor: pointer;
  animation: chat-latest-enter 160ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

#page-chat .chat-jump-to-latest svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

#page-chat .chat-jump-to-latest i {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: currentColor;
}

#page-chat .chat-jump-to-latest:hover {
  background: var(--control-bg-hover);
}

#page-chat .chat-jump-to-latest:focus-visible {
  outline: 2px solid var(--kf-focus-ring);
  outline-offset: 2px;
}

@keyframes chat-latest-enter {
  from {
    opacity: 0;
    transform: translate(-50%, 6px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

@media (max-width: 720px) {
  #page-chat .chat-jump-to-latest {
    bottom: 112px;
    min-height: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  #page-chat .chat-jump-to-latest {
    animation: none;
  }
}

/* In-conversation search follows the same compact, keyboard-first pattern as mature agent clients. */
#page-chat .transcript-search-bar {
  position: absolute;
  z-index: 28;
  top: 14px;
  right: clamp(14px, 3vw, 32px);
  width: min(420px, calc(100% - 28px));
  min-height: 42px;
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr) auto repeat(3, 32px);
  align-items: center;
  gap: 4px;
  padding: 4px 5px 4px 11px;
  border: 1px solid var(--control-border);
  border-radius: 12px;
  color: var(--text);
  background: var(--panel-bg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

#page-chat .transcript-search-bar > svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
}

#page-chat .transcript-search-bar input {
  min-width: 0;
  height: 32px;
  padding: 0 5px;
  border: 0;
  outline: 0;
  color: var(--text);
  background: transparent;
  font: inherit;
  font-size: 14px;
}

#page-chat .transcript-search-count {
  min-width: 44px;
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

#page-chat .transcript-search-bar button {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 8px;
  color: var(--text-soft);
  background: transparent;
  font: inherit;
  font-size: 16px;
  cursor: pointer;
}

#page-chat .transcript-search-bar button:hover:not(:disabled) {
  color: var(--text);
  background: var(--control-bg-hover);
}

#page-chat .transcript-search-bar button:disabled {
  opacity: 0.34;
  cursor: default;
}

#page-chat .transcript-search-bar :is(input, button):focus-visible {
  outline: 2px solid var(--kf-focus-ring);
  outline-offset: 1px;
}

#page-chat .message-row.transcript-search-match {
  border-radius: 12px;
  box-shadow: inset 3px 0 0 color-mix(in srgb, var(--text) 24%, transparent);
}

#page-chat .message-row.transcript-search-current {
  background: color-mix(in srgb, var(--control-bg-hover) 76%, transparent);
  box-shadow: inset 3px 0 0 var(--text);
}

#page-chat .message-row[data-search-hit-current="true"] {
  background: color-mix(in srgb, var(--control-bg-hover) 76%, transparent);
  box-shadow: inset 3px 0 0 var(--text);
}

#page-chat ::highlight(agentlens-transcript-search) {
  color: var(--text);
  background: color-mix(in srgb, var(--kf-focus-ring) 34%, transparent);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-decoration-color: color-mix(in srgb, var(--text) 50%, transparent);
}

#page-chat .agentlens-search-hit {
  color: var(--text);
  background: color-mix(in srgb, var(--kf-focus-ring) 34%, transparent);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-decoration-color: color-mix(in srgb, var(--text) 50%, transparent);
}

@media (max-width: 720px) {
  #page-chat .transcript-search-bar {
    top: 8px;
    right: 8px;
    width: calc(100% - 16px);
    grid-template-columns: 18px minmax(0, 1fr) auto repeat(3, 30px);
  }
}

/* Global commands reuse the slash catalog; the native dialog owns focus. */
.command-palette {
  width: min(580px, calc(100vw - 32px));
  max-width: none;
  max-height: calc(100dvh - 32px);
  margin: min(16vh, 120px) auto auto;
  padding: 0;
  border: 0;
  border-radius: var(--kf-radius-panel);
  color: var(--text);
  background: var(--panel-bg);
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.22);
  overflow: hidden;
}

.command-palette::backdrop {
  background: rgba(0, 0, 0, 0.3);
}

.command-palette[open] {
  animation: command-palette-enter 160ms cubic-bezier(0.16, 1, 0.3, 1);
}

.command-palette-search {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--control-border);
}

.command-palette-search svg {
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
}

.command-palette-search input {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  box-shadow: none;
}

.command-palette-search input::placeholder {
  color: var(--text-soft);
}

.command-palette-search button {
  min-width: 44px;
  min-height: 44px;
  padding: 4px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text-soft);
}

.command-palette-list {
  max-height: min(360px, 48dvh);
  padding: 6px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.command-palette-option {
  width: 100%;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 12px;
  border: 0;
  border-radius: 8px;
  color: var(--text);
  background: transparent;
  text-align: left;
  font-size: 14px;
}

.command-palette-option code {
  flex-shrink: 0;
  color: var(--text-soft);
  font-size: 13px;
}

.command-palette-group-label {
  padding: 8px 12px 4px;
  color: var(--text-soft);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.palette-session-option {
  align-items: flex-start;
}

.palette-session-copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.palette-session-title,
.palette-session-copy small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.palette-session-copy small {
  color: var(--text-soft);
  font-size: 12px;
  line-height: 1.35;
}

.command-palette-option[aria-selected="true"],
.command-palette-search button:hover {
  background: var(--control-bg-hover);
}

.command-palette-footer {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 16px;
  border-top: 1px solid var(--control-border);
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.5;
}

.command-palette-footer kbd {
  flex-shrink: 0;
  font-family: inherit;
  font-size: 12px;
}

.command-palette-trigger kbd {
  margin-left: auto;
  font-family: inherit;
  font-size: 11px;
}

body.sidebar-collapsed .command-palette-trigger kbd {
  display: none;
}

@keyframes command-palette-enter {
  from { transform: translateY(-6px); }
  to { transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .command-palette[open] { animation: none; }
}

@media (max-width: 760px) {
  .command-palette { margin-top: 12px; }
  .command-palette-footer kbd,
  .command-palette-trigger kbd { display: none; }
}

/* AgentLens refinement: agent client parity */
:root,
:root[data-theme="mono-light"] {
  --workspace-bg: #fbfbf9;
  --panel-bg: #fbfbf9;
  --panel-bg-soft: #f5f5f2;
  --rail-bg: #efefeb;
  --rail-panel: #f7f7f4;
  --rail-hover: #e5e5e0;
  --control-bg: #ffffff;
  --control-bg-hover: #eeeeea;
  --control-border: #d9d9d2;
  --line-strong: #c9c9c1;
  --terminal-accent: #d97757;
}

:root[data-theme="mono-dark"] {
  --workspace-bg: #111213;
  --panel-bg: #171819;
  --panel-bg-soft: #141516;
  --rail-bg: #0b0c0d;
  --rail-panel: #151617;
  --rail-hover: #202123;
  --control-bg: #1b1c1e;
  --control-bg-hover: #252629;
  --control-border: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.15);
  --terminal-accent: #d97757;
}

.app-shell,
.main-stage,
#page-chat,
#page-chat .chat-layout,
#page-chat .chat-panel,
#page-chat .messages {
  background: var(--workspace-bg) !important;
}

.sidebar,
body.sidebar-collapsed .sidebar {
  border-right: 1px solid var(--control-border) !important;
  background: var(--rail-bg) !important;
}

.sidebar .brand-copy span {
  display: none;
}

.sidebar .brand-mark,
.sidebar .user-avatar {
  background: var(--rail-panel) !important;
}

.sidebar .new-chat-button {
  border-color: transparent !important;
  background: transparent !important;
}

.sidebar .runtime-card {
  min-height: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-inline: 8px;
  border: 0;
  color: var(--rail-muted);
  background: transparent;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.sidebar .runtime-card strong {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--success);
  font-weight: 620;
}

.sidebar .runtime-card strong::before {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: currentColor;
  content: "";
}

.sidebar .runtime-card-offline strong {
  color: var(--danger);
}

.sidebar .runtime-retry-button {
  min-height: 26px;
  padding: 2px 8px;
  border: 1px solid var(--control-border);
  border-radius: 7px;
  color: var(--text-soft);
  background: var(--rail-panel);
  font-size: 12px;
  line-height: 1;
}

.sidebar .runtime-retry-button:hover:not(:disabled) {
  color: var(--text);
  background: var(--rail-hover);
}

@media (min-width: 761px) {
  #page-chat.chat-empty .chat-topbar {
    height: 56px !important;
    min-height: 56px !important;
    display: flex !important;
    padding: 0 76px 0 20px !important;
    border-bottom: 1px solid var(--control-border) !important;
    background: var(--workspace-bg) !important;
    opacity: 1 !important;
    overflow: visible !important;
    pointer-events: auto !important;
  }

  #page-chat.chat-empty .chat-topbar h1,
  #page-chat.chat-empty .chat-topbar-actions {
    display: flex !important;
  }

  #page-chat.chat-empty .chat-topbar h1 {
    font-size: 15px !important;
    font-weight: 640 !important;
    letter-spacing: -0.01em;
  }

  #page-chat.chat-empty .chat-topbar-actions {
    padding-right: 0 !important;
  }
}

#page-chat.chat-empty #chat-form.composer .composer-shell,
#page-chat:not(.chat-empty) #chat-form.composer .composer-shell {
  grid-template-columns: 36px minmax(0, 1fr) auto auto 36px !important;
  grid-template-rows: minmax(32px, auto) 36px !important;
  column-gap: 6px !important;
  row-gap: 4px !important;
  padding: 10px !important;
  border: 1px solid var(--control-border) !important;
  border-radius: var(--kf-radius-floating) !important;
  background: var(--control-bg) !important;
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.05),
    0 16px 42px rgba(0, 0, 0, 0.08) !important;
}

#chat-form.composer .composer-input-stack textarea {
  grid-column: 1 / -1 !important;
  grid-row: 1 !important;
  min-height: 32px !important;
  padding: 2px 4px !important;
  font-size: 15px !important;
  line-height: 24px !important;
}

#chat-form.composer .composer-plus {
  grid-column: 1 !important;
  grid-row: 2 !important;
}

#chat-form.composer .composer-model-picker {
  grid-column: 4 !important;
  grid-row: 2 !important;
  justify-self: end;
}

#chat-form.composer .composer-permission-picker {
  grid-column: 3 !important;
}

#chat-form.composer .composer-model-trigger,
#chat-form.composer .composer-permission-trigger {
  min-height: 34px !important;
  border: 1px solid transparent !important;
  background: transparent !important;
}

#chat-form.composer .composer-model-trigger {
  max-width: min(220px, 100%);
}

#page-chat #chat-form.composer .composer-shell > button#chat-submit-btn.composer-send-button[type="submit"] {
  grid-column: 5 !important;
  grid-row: 2 !important;
}

#chat-form.composer .composer-shell:has(.selected-skill-pill) {
  grid-template-rows: auto minmax(32px, auto) 36px !important;
}

#chat-form.composer .composer-shell:has(.selected-skill-pill) .selected-skill-pill {
  grid-column: 1 / -1 !important;
  grid-row: 1 !important;
}

#chat-form.composer .composer-shell:has(.selected-skill-pill) textarea {
  grid-row: 2 !important;
}

#chat-form.composer .composer-shell:has(.selected-skill-pill) :is(
  .composer-plus,
  .composer-permission-picker,
  .composer-model-picker,
  #chat-submit-btn
) {
  grid-row: 3 !important;
}

@media (hover: hover) {
  #chat-form.composer .composer-model-trigger:hover,
  #chat-form.composer .composer-permission-trigger:hover {
    border-color: transparent !important;
    background: var(--control-bg-hover) !important;
  }
}

@media (prefers-reduced-motion: no-preference) {
  :where(
    .sidebar button,
    .sidebar a,
    .chat-topbar button,
    #chat-form.composer .composer-shell button
  ) {
    transition-property: transform, color, background-color, border-color, opacity;
    transition-duration: 120ms;
    transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
  }

  :where(
    .sidebar button,
    .sidebar a,
    .chat-topbar button,
    #chat-form.composer .composer-shell button
  ):active:not(:disabled) {
    transform: scale(0.96);
  }
}

/* Mobile session history is promoted to a focused drawer without changing
   the desktop sidebar geometry. */
.mobile-history-trigger,
.mobile-session-history-backdrop,
.mobile-history-head {
  display: none;
}

.mobile-session-history-layer {
  display: contents;
}

.mobile-history-trigger {
  align-items: center;
  justify-content: center;
  width: 36px;
  min-width: 36px;
  height: 36px;
  min-height: 36px;
  padding: 0;
  border: 0;
  border-radius: 9px;
  color: var(--text-soft);
  background: transparent;
}

.mobile-history-trigger svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

@media (max-width: 760px) {
  .mobile-history-trigger {
    display: grid;
    flex: 0 0 44px;
    width: 44px;
    min-width: 44px;
    height: 44px;
    min-height: 44px;
    border-radius: 10px;
    background: var(--rail-panel);
  }

  .mobile-history-trigger:hover,
  .mobile-history-trigger[aria-expanded="true"] {
    color: var(--text);
    background: var(--rail-hover);
  }

  body.mobile-history-open {
    overflow: hidden;
  }

  .mobile-session-history-layer {
    display: block;
  }

  .mobile-session-history-backdrop {
    position: fixed;
    z-index: 70;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    padding: 0;
    border: 0;
    background: color-mix(in srgb, #111827 42%, transparent);
    backdrop-filter: blur(2px);
  }

  .chat-history-shell.mobile-history-open {
    position: fixed !important;
    z-index: 71;
    top: max(8px, env(safe-area-inset-top));
    right: auto;
    bottom: max(8px, env(safe-area-inset-bottom));
    left: max(8px, env(safe-area-inset-left));
    display: grid !important;
    width: min(360px, calc(100vw - 16px));
    max-width: calc(100vw - 16px);
    height: auto !important;
    max-height: calc(100dvh - 16px);
    min-height: 0;
    padding: 10px !important;
    border: 1px solid var(--control-border);
    border-radius: 16px;
    background: var(--rail-bg);
    box-shadow: 0 24px 64px rgba(15, 23, 42, 0.24);
    overflow: hidden;
  }

  .mobile-history-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 44px;
    padding: 0 2px 4px 4px;
    color: var(--text);
  }

  .mobile-history-head strong {
    font-size: 15px;
    font-weight: 700;
  }

  .mobile-history-head .icon-button {
    width: 40px;
    min-width: 40px;
    height: 40px;
    min-height: 40px;
  }

  .chat-history-shell.mobile-history-open .sidebar-list {
    overscroll-behavior: contain;
  }

  .chat-history-shell.mobile-history-open .session-menu-button {
    opacity: 1;
  }
}

@media (max-width: 760px) {
  .app-shell,
  body.sidebar-collapsed .app-shell {
    grid-template-rows: 56px minmax(0, 1fr) !important;
  }

  .sidebar,
  .sidebar.collapsed,
  body.sidebar-collapsed .sidebar {
    height: 56px !important;
    min-height: 56px !important;
    gap: 4px !important;
    padding: 6px 8px !important;
    overflow: hidden !important;
  }

  .sidebar-brand,
  body.sidebar-collapsed .sidebar-brand {
    min-height: 40px !important;
  }

  .sidebar .brand-mark,
  body.sidebar-collapsed .sidebar-brand .brand-mark {
    width: 36px !important;
    height: 36px !important;
    flex-basis: 36px !important;
    border-radius: 10px !important;
  }

  .sidebar .new-chat-button,
  .sidebar.collapsed .new-chat-button,
  body.sidebar-collapsed .sidebar .new-chat-button,
  .sidebar .sidebar-tool,
  .sidebar.collapsed .sidebar-tool,
  body.sidebar-collapsed .sidebar .sidebar-tool,
  .sidebar .user-menu-button,
  .sidebar.collapsed .user-menu-button,
  body.sidebar-collapsed .sidebar .user-menu-button {
    width: 44px !important;
    min-width: 44px !important;
    max-width: 44px !important;
    height: 44px !important;
    min-height: 44px !important;
    flex: 0 0 44px !important;
    border-radius: 10px !important;
  }

  .sidebar-bottom-tools,
  body.sidebar-collapsed .sidebar-bottom-tools {
    width: auto !important;
    min-width: 0 !important;
    flex: 1 1 auto !important;
    gap: 2px !important;
    margin-left: 2px !important;
    overflow-x: auto !important;
    overscroll-behavior-inline: contain;
    scrollbar-width: none;
  }

  .sidebar-bottom-tools::-webkit-scrollbar {
    display: none;
  }

  .user-menu,
  body.sidebar-collapsed .user-menu {
    flex: 0 0 44px !important;
  }

  .sidebar #runtime-box {
    display: none !important;
  }

  #page-chat .chat-theme-toggle,
  #page-chat #theme-toggle-btn.chat-theme-toggle,
  #page-chat #theme-toggle-btn.chat-theme-toggle[aria-pressed="true"] {
    top: 6px !important;
    right: 8px !important;
    width: 44px !important;
    min-width: 44px !important;
    height: 44px !important;
    min-height: 44px !important;
    border-radius: 10px !important;
  }

  #page-chat.chat-empty #chat-form.composer .composer-shell,
  #page-chat:not(.chat-empty) #chat-form.composer .composer-shell {
    grid-template-columns: 44px minmax(0, 1fr) 44px minmax(72px, auto) 44px !important;
    grid-template-rows: minmax(44px, auto) 44px !important;
    column-gap: 4px !important;
    padding: 9px !important;
    border-radius: 16px !important;
  }

  #chat-form.composer .composer-input-stack textarea {
    min-height: 44px !important;
  }

  #chat-form.composer .composer-permission-trigger {
    width: 44px !important;
    min-width: 44px !important;
    height: 44px !important;
    min-height: 44px !important;
    padding: 0 !important;
  }

  #chat-form.composer .composer-plus {
    width: 44px !important;
    height: 44px !important;
  }

  #chat-form.composer .composer-permission-trigger > span:nth-child(2),
  #chat-form.composer .composer-permission-trigger > .composer-model-chevron {
    display: none;
  }

  #chat-form.composer .composer-model-trigger {
    max-width: 116px !important;
    min-height: 44px !important;
    padding-inline: 6px !important;
    overflow: hidden;
  }

  #page-chat #chat-form.composer .composer-shell > button#chat-submit-btn.composer-send-button[type="submit"] {
    width: 44px !important;
    min-width: 44px !important;
    max-width: 44px !important;
    height: 44px !important;
    min-height: 44px !important;
  }

  #page-chat .chat-topbar #inspector-toggle {
    width: 44px !important;
    min-width: 44px !important;
    min-height: 44px !important;
  }

  #chat-form.composer .composer-model-trigger > span:nth-child(2) {
    max-width: 68px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}