/* Modern accessible stylesheet for SPA Full Workflow Web Application (UI01) */

:root {
  --bg-primary: #0f172a;
  --bg-surface: #1e293b;
  --bg-surface-elevated: #334155;
  --bg-surface-hover: #475569;
  --bg-surface-active: #0f172a;
  --bg-input: #0f172a;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: #334155;
  --border-strong: #475569;
  --border-hover: #64748b;
  --border-focus: #38bdf8;
  --focus-ring: #38bdf8;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-active: #1e40af;
  --accent: #0284c7;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --danger-active: #b91c1c;
  --transition-fast: 150ms ease;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.25);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4);
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  /* UX-03 spacing scale (4px → 64px) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --gap-control: var(--space-2);
  --gap-element: var(--space-4);
  /* UX-09 review layout: measured clearance under the sticky deck + listening palette */
  --player-deck-clearance: 9.75rem;
  --listening-speaker-1: #38bdf8;
  --listening-speaker-2: #34d399;
  --listening-speaker-3: #c4b5fd;
  --listening-speaker-4: #fbbf24;
  --listening-speaker-5: #f472b6;
  --listening-speaker-6: #94a3b8;
  /* UX-12/UX-13 annotation category palette: the server's color tokens resolve
     here, so lanes never invent client-side colors. */
  --category-slate: #94a3b8;
  --category-sky: #38bdf8;
  --category-emerald: #34d399;
  --category-amber: #fbbf24;
  --category-rose: #fb7185;
  --category-violet: #c4b5fd;
  --category-teal: #2dd4bf;
  --category-orange: #fb923c;
  /* Layered player geometry (UX-13). */
  --player-scrub-height: 24px;
  --player-selection-lane-height: 14px;
  --player-minimap-band-alpha: 0.32;
  --player-minimap-attested-alpha: 0.72;
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f5f9;
  --bg-surface-hover: #e2e8f0;
  --bg-surface-active: #cbd5e1;
  --bg-input: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border-color: #e2e8f0;
  --border-strong: #cbd5e1;
  --border-hover: #94a3b8;
  --border-focus: #0284c7;
  --focus-ring: #0284c7;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-active: #1e40af;
  --danger-hover: #dc2626;
  --danger-active: #b91c1c;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.15);
  --listening-speaker-1: #0284c7;
  --listening-speaker-2: #059669;
  --listening-speaker-3: #7c3aed;
  --listening-speaker-4: #b45309;
  --listening-speaker-5: #db2777;
  --listening-speaker-6: #64748b;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

[hidden], .modal-backdrop[hidden], .job-drawer[hidden], aside[hidden], div[hidden] {
  display: none !important;
}

html, body {
  width: 100%;
  min-height: 100%;
  overflow-x: clip;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

/* Spacing system (UX-03): tokens above, composition utilities below.
   Compound gaps compose with .stack-*; single values use the tokens directly. */
.stack-sm,
.stack-md,
.stack-lg {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.stack-sm { gap: var(--space-2); }
.stack-md { gap: var(--gap-element); }
.stack-lg { gap: var(--space-5); }

.control-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--gap-control);
}
.control-row-nowrap { flex-wrap: nowrap; }
.control-row-end { justify-content: flex-end; }

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--gap-control);
}
.section-header .card-title { margin-bottom: 0; }

.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 0.85rem; }
.text-xs { font-size: 0.75rem; }

/* App Shell Layout */
.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
}

/* Top Navigation Bar */
.export-card p, .export-card h3, #export-status-text {
  overflow-wrap: anywhere;
}

.export-card progress {
  display: block;
  width: 100%;
  margin: 0.65rem 0;
}

/* Exports tab (P13 lifecycle facts + P17 consistent actions/disclosure).
   Every gap comes from the UX-03 token scale so the tab matches other views. */
.exports-intro-card {
  margin-bottom: var(--space-4);
}
.exports-header {
  align-items: flex-start;
}
.exports-intro-copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
}
.exports-intro-copy .card-title {
  margin-bottom: 0;
}
.exports-intro-copy p {
  max-width: 72ch;
  color: var(--text-secondary);
}
.exports-actions {
  justify-content: flex-end;
}
.exports-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}
.exports-section-title {
  font-size: 1rem;
  font-weight: 700;
}
.exports-list,
.exports-records,
.exports-publications {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.exports-list:empty,
.exports-records:empty,
.exports-publications:empty {
  display: none;
}
.exports-empty {
  color: var(--text-secondary);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  max-width: 78ch;
}
.exports-unavailable {
  color: var(--text-secondary);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--warning);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  max-width: 78ch;
}
.export-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: 0;
}
.export-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--gap-control);
}
.export-card-head .card-title {
  margin-bottom: 0;
  min-width: 0;
}
.export-card-binding,
.export-card-message,
.export-record-binding,
.export-record-identity {
  color: var(--text-secondary);
}
.export-status {
  flex: none;
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background-color: var(--bg-surface-elevated);
  color: var(--text-secondary);
  font-size: 0.75rem;
  line-height: 1.4;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.export-card[data-status="COMPLETED"] .export-status,
.export-status-complete {
  border-color: var(--success);
  color: #a7f3d0;
}
.export-card[data-status="FAILED"] .export-status {
  border-color: var(--danger);
  color: #fecaca;
}
.export-card[data-status="CANCELLED"] .export-status {
  border-color: var(--warning);
  color: #fde68a;
}
.export-card[data-status="RUNNING"] .export-status,
.export-card[data-status="PENDING"] .export-status {
  border-color: var(--accent);
  color: #bae6fd;
}
.export-details {
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-2);
}
.export-details > summary {
  display: flex;
  align-items: center;
  min-height: 40px;
  cursor: pointer;
  color: var(--text-secondary);
  font-weight: 500;
}
.export-details > summary:is(:hover, .is-hover) {
  color: var(--text-primary);
}
.export-details > summary:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}
.export-facts {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: var(--space-1) var(--space-3);
  padding: var(--space-2) 0 var(--space-3);
  font-size: 0.85rem;
}
.export-facts dt {
  color: var(--text-muted);
}
.export-facts dd {
  min-width: 0;
  overflow-wrap: anywhere;
}
.exports-card-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--gap-control);
  padding-top: var(--space-1);
}
.exports-card-actions .btn {
  text-decoration: none;
}
.exports-publication-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--gap-control);
  padding-top: var(--space-1);
}
.exports-publication-actions .btn {
  text-decoration: none;
}
.exports-pagination {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--gap-control);
  margin-top: var(--space-3);
}
.export-publication-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.export-action-note {
  color: var(--text-muted);
  flex: 1 1 18rem;
}
.export-record-hash,
.export-record-hash-full {
  color: var(--text-primary);
  overflow-wrap: anywhere;
}
.export-record-title {
  font-size: 1rem;
}
.export-help {
  color: var(--text-muted);
  font-size: 0.8rem;
}

@media (max-width: 640px), (pointer: coarse) {
  .exports-actions,
  .exports-card-actions {
    width: 100%;
  }
  .exports-actions .btn,
  .exports-card-actions .btn,
  .exports-card-actions .export-action-note,
  .export-details > summary {
    min-height: 44px;
  }
  .exports-card-actions .btn {
    flex: 1 1 auto;
  }
  .export-facts {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-1);
  }
  .export-facts dd {
    margin-bottom: var(--space-2);
  }
}

.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  gap: 1rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 50;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-logo {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-logo span {
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.nav-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
  min-height: 40px;
}

.nav-btn:is(:hover, .is-hover):not(:disabled, [aria-disabled="true"]) {
  background-color: var(--bg-surface-elevated);
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.nav-btn:is(:focus-visible, .is-focus-visible) {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.nav-btn:is(:disabled, [aria-disabled="true"]) {
  opacity: 0.5;
  cursor: not-allowed;
}

.nav-btn.active {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.nav-btn.active:is(:hover, .is-hover):not(:disabled, [aria-disabled="true"]) {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  color: #ffffff;
}

.nav-btn:is(:active, .is-active):not(:disabled, [aria-disabled="true"]) {
  background-color: var(--bg-surface-hover);
  border-color: var(--border-hover);
  color: var(--text-primary);
  transform: translateY(1px);
}

.nav-btn.active:is(:active, .is-active):not(:disabled, [aria-disabled="true"]) {
  background-color: var(--primary-active);
  border-color: var(--primary-active);
  color: #ffffff;
  transform: translateY(1px);
}

.nav-status-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-namespace {
  background-color: rgba(37, 99, 235, 0.2);
  color: #60a5fa;
  border: 1px solid rgba(37, 99, 235, 0.4);
}

.badge-status {
  background-color: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.badge-status.offline {
  background-color: rgba(239, 68, 68, 0.2);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.4);
}

.badge-rev {
  background-color: rgba(147, 51, 234, 0.2);
  color: #c084fc;
  border: 1px solid rgba(147, 51, 234, 0.4);
}

/* Expandable identity badges: truncated visually with an ellipsis, full value
   kept in the DOM (tests and copies read it) and revealed on hover (title) or
   click (aria-expanded, no clamp). */
.badge-expandable {
  flex: 0 1 auto;
  min-width: 0;
  max-width: 12ch;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: default;
}

.badge-expandable[role="button"] {
  cursor: pointer;
}

.badge-expandable[role="button"]:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.badge-expandable.is-expanded {
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
  white-space: normal;
}

.mode-chip {
  font-weight: 600;
  border: 1px solid var(--border-strong);
  background: var(--bg-input);
  color: var(--text-primary);
}

.mode-chip-editing {
  background: rgba(16, 185, 139, 0.16);
  border-color: rgba(16, 185, 129, 0.45);
  color: #34d399;
}

.mode-chip-viewing {
  background: rgba(59, 130, 246, 0.16);
  border-color: rgba(59, 130, 246, 0.45);
  color: #93c5fd;
}

.mode-chip-unavailable {
  background: rgba(251, 191, 36, 0.16);
  border-color: rgba(251, 191, 36, 0.45);
  color: #fbbf24;
}

.badge-verified {
  background-color: rgba(16, 185, 129, 0.25);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.5);
}

/* System Banner Deck */
.banner-deck {
  background-color: rgba(245, 158, 11, 0.15);
  border-bottom: 1px solid rgba(245, 158, 11, 0.3);
  padding: 0.5rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: #fbbf24;
}

/* Main Workspace Content */
.main-workspace {
  flex: 1;
  padding: 1.5rem;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
}

.view-section {
  display: none;
  animation: fadeIn 0.2s ease-in-out;
}

.view-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Buttons and Form Controls */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
  min-height: 42px;
  text-align: center;
}

.btn:is(:focus-visible, .is-focus-visible) {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.btn:is(:disabled, [aria-disabled="true"]) {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
}
.btn-primary:is(:hover, .is-hover):not(:disabled, [aria-disabled="true"]) {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
}
.btn-primary:is(:active, .is-active):not(:disabled, [aria-disabled="true"]) {
  background-color: var(--primary-active);
  border-color: var(--primary-active);
  transform: translateY(1px);
}

.btn-secondary {
  background-color: var(--bg-surface-elevated);
  border-color: var(--border-color);
  color: var(--text-primary);
}
.btn-secondary:is(:hover, .is-hover):not(:disabled, [aria-disabled="true"]) {
  background-color: var(--bg-surface-hover);
  border-color: var(--border-hover);
}
.btn-secondary:is(:active, .is-active):not(:disabled, [aria-disabled="true"]) {
  background-color: var(--bg-surface-active);
  border-color: var(--border-hover);
  transform: translateY(1px);
}

.btn-danger {
  background-color: var(--danger);
  color: #ffffff;
}
.btn-danger:is(:hover, .is-hover):not(:disabled, [aria-disabled="true"]) {
  background-color: var(--danger-hover);
  border-color: var(--danger-hover);
}
.btn-danger:is(:active, .is-active):not(:disabled, [aria-disabled="true"]) {
  background-color: var(--danger-active);
  border-color: var(--danger-active);
  transform: translateY(1px);
}

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.8rem;
  min-height: 32px;
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* UX-19 compact library create action: one glyph + one word, never wrapped. */
.btn-ingest {
  white-space: nowrap;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.form-label {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.form-control {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  outline: none;
  min-height: 40px;
  width: 100%;
}
.form-control:focus {
  border-color: var(--border-focus);
}
.form-control:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background-color: var(--bg-surface-elevated);
}

/* Cards & Panels */
.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* UX-03: one spacing rhythm inside the migrated views (Setup/Library/Review).
   Card padding is a token, stacked cards separate by --gap-element, and every
   card heading owns the same --space-2 gap. Nothing outside these roots moves. */
#settings-setup .card,
#view-library .card,
#view-review .card {
  padding: var(--space-4);
  margin-bottom: var(--gap-element);
}

#settings-setup .card-title,
#view-library .card-title,
#view-review .card-title {
  margin-bottom: var(--space-2);
}

#settings-setup .text-sm,
#view-library .text-sm,
#view-review .text-sm {
  line-height: 1.5;
}

#settings-setup .progress-bar-container,
#view-library .progress-bar-container,
#view-review .progress-bar-container {
  margin: var(--space-2) 0;
}

#settings-setup .form-group,
#view-library .form-group,
#view-review .form-group {
  gap: var(--space-1);
}

.publish-diff-content {
  margin-top: var(--space-2);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Empty transcript / no-selection panel (was three inline-styled copies). */
.empty-state {
  margin: var(--space-5) 0;
  padding: var(--space-6);
  text-align: center;
  color: var(--text-secondary);
  background: var(--bg-surface-elevated);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
}
.empty-state h4 {
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}
.empty-state p { margin: 0; font-size: 0.9rem; }
.review-empty-state p + p { margin-top: var(--space-2); }
.review-empty-actions {
  justify-content: center;
  margin-top: var(--gap-element);
}
/* A review that cannot exist yet shows only its answer: no dead player deck, toolbar or
   mutation controls (the empty state carries its own actions). */
body.review-empty #view-review .player-deck,
body.review-empty #view-review .workspace-mode-nav,
body.review-empty #view-review #workspace-mode-processing,
body.review-empty #view-review #workspace-mode-history,
body.review-empty #view-review .review-controls-panel,
body.review-empty #view-review #transcript-pagination,
body.review-empty #view-review #word-alignment-summary,
body.review-empty #view-review .audio-enhancement-panel,
body.review-empty #view-review .audio-difference-panel,
body.review-empty #view-review .revision-tree-panel,
body.review-empty #view-review [data-review-mutation] {
  display: none !important;
}

body.review-chooser #view-review #workspace-mode-review {
  display: none !important;
}

/* R11: while a project switch is in flight the previous packet's controls are gone,
   so no stale action can be aimed at the incoming project. */
body.review-switching #view-review .player-deck,
body.review-switching #view-review .workspace-mode-nav,
body.review-switching #view-review .workspace-mode-panel,
body.review-switching #view-review .review-controls-panel,
body.review-switching #view-review [data-review-mutation] {
  display: none !important;
}

/* R05: Workspace modes (Review, Audio processing, Revision history) */
.workspace-mode-nav {
  margin: var(--space-3) 0 var(--space-4);
}

.workspace-mode-switcher {
  display: inline-flex;
  gap: var(--space-1);
  padding: var(--space-1);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  max-width: 100%;
}

.workspace-mode-tab {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.45rem 0.9rem;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.workspace-mode-tab:is(:hover, .is-hover):not(:disabled) {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
}

.workspace-mode-tab:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.workspace-mode-tab.active {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

.workspace-mode-tab.active:is(:hover, .is-hover):not(:disabled) {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  color: #ffffff;
}

.workspace-mode-tab-icon {
  font-size: 1rem;
  line-height: 1;
}

.workspace-mode-panel {
  display: block;
}

.workspace-mode-panel[hidden] {
  display: none !important;
}

.workspace-mode-header {
  margin-bottom: var(--space-4);
}

.workspace-mode-heading {
  margin: 0 0 var(--space-1);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

@media (prefers-reduced-motion: reduce) {
  .workspace-mode-tab {
    transition: none !important;
  }
}

@media (max-width: 600px) {
  .workspace-mode-switcher {
    display: flex;
    width: 100%;
  }

  .workspace-mode-tab {
    flex: 1 1 0;
    justify-content: center;
    padding: 0.4rem 0.5rem;
    font-size: 0.8rem;
    gap: var(--space-1);
  }
}

/* R14: an unresolved mode is not Edit; mutation affordances stay hidden until the
   server's share|edit answer is known. */
body.review-mode-unavailable #view-review [data-review-mutation] {
  display: none !important;
}

/* P17: the unselected Review is an explicit most-recently-edited chooser. */
.review-project-chooser {
  margin: var(--space-4) 0;
  padding: var(--space-5);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}
.review-project-chooser-heading h3 {
  margin: 0 0 var(--space-1);
}
.review-project-chooser-status {
  margin: var(--space-2) 0 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.review-project-chooser-error {
  margin: var(--space-2) 0 0;
  padding: var(--space-3);
  color: var(--text-primary);
  background: color-mix(in srgb, var(--warning) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--warning) 45%, var(--border-color));
  border-radius: var(--radius-md);
  overflow-wrap: anywhere;
}
.review-project-chooser-list {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}
.review-project-choice {
  display: grid;
  gap: 2px;
  width: 100%;
  min-height: 44px;
  padding: var(--space-3);
  text-align: left;
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
}
.review-project-choice:hover,
.review-project-choice:focus-visible {
  border-color: var(--border-focus);
}
.review-project-choice-name { font-weight: 600; }
.review-project-choice-id,
.review-project-choice-source,
.review-project-choice-updated {
  color: var(--text-secondary);
  font-size: 0.85rem;
  overflow-wrap: anywhere;
}

/* View 1: Setup & Capabilities */
.setup-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--gap-element);
}

.profile-option {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-3);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2);
  background-color: var(--bg-input);
  cursor: pointer;
}
.profile-option:hover {
  border-color: var(--border-focus);
}
.profile-option.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.profile-unavailable {
  margin-top: var(--space-1);
  color: var(--danger);
  font-size: 0.8rem;
}
.setup-profile-header {
  align-items: flex-start;
}
#setup-profile-summary {
  margin: 0;
  max-width: 42rem;
  text-align: right;
}

/* Setup: model audit, diagnostics and installation guide (UX-03) */
.setup-storage-block { margin-top: var(--space-4); }
.setup-hardware-info {
  margin-bottom: var(--space-3);
  color: var(--text-muted);
}
.model-audit-header { margin-bottom: var(--space-2); }
.model-audit-heading { min-width: 0; }
.diagnostics-panel { background-color: var(--bg-surface-elevated); }
.diagnostics-title {
  color: var(--accent);
  font-size: 0.9rem;
}
.diagnostics-list {
  margin: 0;
  padding-left: var(--space-5);
  font-family: monospace;
  font-size: 0.8rem;
  line-height: 1.6;
}
/* P17: one labelled grid for the model audit. The header and every row share the
   same column template, so long names and paths cannot push status or actions
   out of line. Values wrap instead of widening the card. */
.model-audit {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.model-audit-columns,
.model-audit-row {
  display: grid;
  grid-template-columns:
    minmax(0, 2fr)
    minmax(6.5rem, 0.6fr)
    minmax(0, 2.2fr)
    minmax(7.5rem, 0.9fr);
  align-items: center;
  gap: var(--space-2) var(--gap-control);
  min-width: 0;
}
.model-audit-columns {
  padding: 0 var(--space-2);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.model-audit-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.model-audit-row {
  padding: var(--space-2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-input);
}
.model-audit-cell {
  min-width: 0;
}
.model-audit-name {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-1);
}
.model-audit-path {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  color: var(--text-muted);
  overflow-wrap: anywhere;
}
.model-audit-action {
  display: flex;
  justify-content: flex-end;
}
.model-audit-empty {
  margin: 0;
  padding: var(--space-3);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
}
.model-recommended-badge {
  padding: var(--space-1) var(--space-2);
  border: 1px solid rgba(96, 165, 250, 0.3);
  background: rgba(96, 165, 250, 0.15);
  color: #93c5fd;
  font-size: 0.72rem;
  vertical-align: middle;
}
.model-guide-panel {
  margin-top: var(--gap-element);
  background-color: var(--bg-surface-elevated);
}
.model-guide-header { align-items: flex-start; }
.model-guide-title {
  margin-top: 0;
  color: var(--accent);
  font-size: 0.95rem;
}
.model-guide-option { margin-bottom: var(--space-3); }
.model-guide-alt { margin-top: var(--space-1); }
.model-guide-note { margin: var(--space-1) 0; font-size: 0.8rem; }
.code-block {
  margin: var(--space-1) 0;
  padding: var(--space-2);
  overflow-x: auto;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
}
.install-hint-link {
  margin-left: var(--space-2);
  padding: var(--space-1) var(--space-2);
  vertical-align: middle;
}
.profile-description {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.85rem;
}
.setup-profile-warning {
  padding: var(--space-3);
  margin-bottom: var(--space-4);
  border: 1px solid var(--danger);
  border-radius: var(--radius-md);
  background: rgba(239, 68, 68, 0.1);
  color: #fca5a5;
  font-size: 0.85rem;
}
.setup-submit { margin-top: var(--space-5); }

/* View 2: Ingest & Upload */
.drop-zone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem 1.5rem;
  text-align: center;
  background-color: var(--bg-surface);
  cursor: pointer;
  transition: all 0.2s ease;
  margin-bottom: 1.5rem;
}

.drop-zone-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-2);
}

.drop-zone-hint {
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

.library-ingest-panel {
  min-width: 0;
}

.library-ingest-header {
  align-items: flex-start;
  gap: var(--gap-control);
  margin-bottom: var(--space-3);
}

#view-library .upload-status-row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.upload-actions {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.ingest-options-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.ingest-option-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
}
.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--primary);
  background-color: rgba(37, 99, 235, 0.05);
}

.progress-bar-container {
  width: 100%;
  height: 8px;
  background-color: var(--bg-surface-elevated);
  border-radius: 4px;
  overflow: hidden;
  margin: 0.5rem 0;
}
.progress-bar-fill {
  height: 100%;
  background-color: var(--primary);
  width: 0%;
  transition: width 0.2s ease;
}
.progress-bar-fill.progress-indeterminate {
  width: 30% !important;
  animation: progress-indeterminate 1.2s ease-in-out infinite;
}
@keyframes progress-indeterminate {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(333%);
  }
}

.batch-file-results {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.batch-file-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.75rem;
  background-color: var(--bg-surface);
  font-size: 0.88rem;
  min-width: 0;
  overflow-wrap: anywhere;
}
.batch-file-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 0.75rem;
  min-width: 0;
}
.batch-file-name {
  font-weight: 600;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.batch-file-size,
.batch-file-hash {
  color: var(--text-secondary);
  font-size: 0.78rem;
}
.batch-file-hash {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  overflow-wrap: anywhere;
  word-break: break-all;
  margin-top: 0.15rem;
}
.batch-file-progress {
  margin: 0.45rem 0;
}
.batch-file-state {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  color: var(--text-secondary);
}
.batch-file-detail {
  margin: 0.35rem 0 0;
  font-size: 0.8rem;
  color: var(--text-secondary);
}
.batch-file-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.45rem;
}

/* View 3: Library & Job Tracking */
.library-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-control);
  margin-bottom: var(--gap-control);
  flex-wrap: wrap;
}

/* P17: every toolbar control shares one height so the search field, filter,
   Refresh and import action sit on one baseline at desktop widths. */
.library-toolbar .form-control,
.library-toolbar .btn {
  min-height: 42px;
}

.library-filter-controls {
  display: flex;
  align-items: center;
  gap: var(--gap-control);
  flex: 0 0 auto;
  flex-wrap: nowrap;
}

.library-filter-controls > select {
  width: auto;
}

.library-freshness {
  margin: 0 0 var(--space-2);
}

.library-empty-state {
  margin: var(--space-4) 0 0;
}

.library-pagination {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--gap-control);
  margin: 0 0 var(--space-3);
}

.library-pagination span {
  color: var(--text-secondary);
  font-size: 0.85rem;
  text-align: center;
}

.library-error {
  margin: 0 0 var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 1px solid rgba(239, 68, 68, 0.5);
  border-radius: var(--radius-md);
  background: rgba(239, 68, 68, 0.12);
  color: var(--danger);
}

.search-bar-group {
  display: flex;
  align-items: center;
  gap: var(--gap-control);
  flex: 1 1 18rem;
  min-width: 12rem;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background-color: var(--bg-surface);
}

.table-responsive:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: start;
}

.data-table th, .data-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.data-table th {
  background-color: var(--bg-surface-elevated);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  /* UX-19: set explicitly so the UA `th { text-align: center }` default cannot
     win over the table-level `text-align: start`. */
  text-align: start;
}

.data-table tr:last-child td {
  border-bottom: none;
}
.data-table tr:hover td {
  background-color: rgba(255, 255, 255, 0.02);
}

.recording-title-cell {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  /* P17: keep enough width for separator-level filename wrapping instead of a
     mid-token break; the table region scrolls horizontally on narrow screens. */
  min-width: 10rem;
}

.recording-display-name {
  /* P17: filenames expose deliberate break points at dot/underscore/hyphen
     boundaries (app.js inserts <wbr>); anywhere stays as the last-resort
     fallback for an unpunctuated token that cannot fit the cell. */
  overflow-wrap: anywhere;
}

.recording-title-cell .btn-icon {
  flex: 0 0 auto;
  opacity: 0.72;
}

.recording-title-cell .btn-icon:hover,
.recording-title-cell .btn-icon:focus-visible {
  opacity: 1;
}

/* P17: the Rename affordance carries the shared secondary-button surface so it
   reads as a recognisable pencil control instead of a pale empty square. */
.recording-title-cell .btn-rename-recording,
#rename-recording-btn {
  opacity: 1;
  color: var(--text-primary);
  font-size: 1rem;
  line-height: 1;
}

/* UX-19: STAGE & PROGRESS renders measured job facts, never the status string. */
.stage-facts {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-1) var(--space-2);
  min-width: 0;
}

.stage-facts .stage-name {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
  color: var(--text-primary);
}

.stage-facts .stage-timing,
.stage-facts .stage-progress {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.stage-facts .stage-progress {
  padding: 0 var(--space-1);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-variant-numeric: tabular-nums;
}

.stage-facts-empty {
  color: var(--text-muted);
}

/* UX-19: per-recording review project count, measured from review_projects. */
.reviews-chip {
  display: inline-flex;
  align-items: center;
  padding: 0 var(--space-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.reviews-chip.has-reviews {
  border-color: var(--border-focus);
  color: var(--text-primary);
}

/* Actionable Job Details Drawer */
.job-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(480px, 100vw);
  background-color: var(--bg-surface);
  border-left: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  z-index: 100;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.25s ease-in-out;
}

.job-drawer.open {
  transform: translateX(0);
}

.job-drawer #job-key-text,
.job-drawer #job-pipeline-progress {
  overflow-wrap: anywhere;
}

.job-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.job-log-details {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  min-width: 0;
  background: var(--bg-surface);
}

.job-log-details > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem;
  cursor: pointer;
  font-weight: 700;
}

.job-log-summary-meta {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  flex-wrap: wrap;
  min-width: 0;
}

.job-log-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.15rem 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: transparent;
  color: var(--text-secondary);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.4;
  white-space: nowrap;
}

.job-log-chip[data-state="running"] {
  background-color: rgba(56, 189, 248, 0.15);
  border-color: rgba(56, 189, 248, 0.5);
  color: #38bdf8;
}

.job-log-chip[data-state="completed"] {
  background-color: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.5);
  color: #34d399;
}

.job-log-chip[data-state="failed"] {
  background-color: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.5);
  color: #f87171;
}

.job-log-chip[data-state="cancelled"] {
  background-color: rgba(148, 163, 184, 0.12);
  border-color: var(--border-color);
  color: var(--text-muted);
}

.job-log-chip-live {
  color: var(--success);
  font-size: 0.65rem;
}

@media (prefers-reduced-motion: no-preference) {
  .job-log-chip-live {
    animation: job-log-live-pulse 1.6s ease-in-out infinite;
  }
}

@keyframes job-log-live-pulse {
  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.35;
  }
}

#job-log-status {
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 400;
  text-align: end;
}

.job-log-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0 0.75rem 0.5rem;
}

.job-log-toolbar label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
}

.job-log-error {
  margin: 0 0.75rem 0.5rem;
  color: var(--danger);
  font-size: 0.8rem;
  overflow-wrap: anywhere;
}

.job-log-scroll {
  max-height: min(38vh, 420px);
  min-height: 3rem;
  overflow: auto;
  overscroll-behavior: contain;
  border-top: 1px solid var(--border-color);
  scrollbar-gutter: stable;
}

.job-log-events {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  list-style: none;
  margin: 0;
  padding: 0.65rem;
}

.job-log-empty {
  margin: 0;
  padding: 0.8rem;
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.job-log-event {
  min-width: 0;
  padding: 0.55rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
}

.job-log-event-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  color: var(--text-secondary);
  font: 0.72rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.job-log-event-level {
  color: var(--text-primary);
  font-weight: 700;
}

.job-log-event-message {
  margin: 0.35rem 0 0;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
  font: 0.8rem/1.45 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.job-log-event-details {
  margin-top: 0.4rem;
  font-size: 0.76rem;
}

.job-log-event-details pre {
  max-width: 100%;
  max-height: 15rem;
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  margin: 0.4rem 0 0;
  padding: 0.5rem;
  background: var(--bg-surface);
  border-radius: var(--radius-sm);
}

/* View 4 & 5: Review & Edit Workspace */
.player-deck {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: color-mix(in srgb, var(--bg-surface) 88%, var(--bg-surface-elevated));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-5);
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.player-deck[data-stuck="true"] {
  box-shadow: var(--shadow-lg), 0 12px 28px rgb(0 0 0 / 0.35);
}

.player-deck-sentinel {
  height: 1px;
  margin-bottom: 0;
  pointer-events: none;
}

/* Scroll-jump clearance so navigation never lands behind the sticky deck. */
.utterance-card,
.listening-utterance,
.listening-turn,
#transcript-container,
#audio-enhancement-panel,
.review-controls-panel {
  scroll-margin-top: var(--player-deck-clearance);
}

.scrub-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.time-display {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: monospace;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.trim-played-time {
  color: var(--text-secondary);
  font-family: monospace;
  font-size: 0.75rem;
}

.scrub-container {
  position: relative;
  width: 100%;
  height: var(--player-scrub-height);
  background-color: var(--bg-surface-elevated);
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  user-select: none;
  touch-action: none;
}

/* UX-13 layer stack. Position is always a share of the timeline domain computed
   by the single render entry (renderPlayerLayers); no per-feature draw passes. */
.player-timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.player-layer {
  position: absolute;
  pointer-events: none;
}

.player-layer-minimap {
  inset: 0;
  z-index: 1;
}

.player-layer-minimap .minimap-band {
  position: absolute;
  bottom: 1px;
  height: 5px;
  min-width: 2px;
  padding: 0;
  border: 0;
  border-radius: 2px;
  background-color: var(--text-secondary);
  opacity: var(--player-minimap-band-alpha);
  pointer-events: auto;
  cursor: pointer;
}

.player-layer-minimap .minimap-band.is-attested {
  opacity: var(--player-minimap-attested-alpha);
  border-top: 1px solid var(--success);
}

.scrub-progress {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  background-color: var(--primary);
  width: 0%;
  border-radius: 4px 0 0 4px;
  pointer-events: none;
  z-index: 0;
}

.scrub-thumb {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: #ffffff;
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.5);
  pointer-events: none;
  z-index: 2;
  transition: transform 0.05s ease;
}

/* UX-12 selection lane: its own band under the scrub track, never overloaded
   onto the scrub control itself. */
.player-layer-selection {
  position: relative;
  display: block;
  height: var(--player-selection-lane-height);
  border-radius: var(--radius-sm);
  background-color: color-mix(in srgb, var(--bg-surface-elevated) 60%, transparent);
  pointer-events: none;
}

/* An empty lane is dead UI: it only costs viewport density (UX-09 measures the
   dense review layout), so it collapses until it has stored spans to render.
   Arming the lane (the explicit "Mark" toggle) is the one exception: drag/click
   capture needs a real hit strip even before the first annotation exists. */
.player-layer-selection:empty:not(.is-armed) {
  display: none;
}

.player-layer-selection.is-armed {
  cursor: crosshair;
  pointer-events: auto;
  outline: 1px dashed color-mix(in srgb, var(--focus-ring) 45%, transparent);
  outline-offset: 2px;
}

.player-layer-selection.is-armed:focus-visible {
  outline: 2px solid var(--focus-ring);
}

.player-layer-selection.is-separate {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  height: auto;
  min-height: var(--player-selection-lane-height);
  background: transparent;
}

.annotation-track {
  min-width: 0;
  width: 100%;
}

.annotation-track-label {
  display: block;
  margin-bottom: 2px;
  color: var(--text-secondary);
  font-size: 0.72rem;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.annotation-track-axis {
  position: relative;
  width: 100%;
  height: var(--player-selection-lane-height);
  border-radius: var(--radius-sm);
  background-color: color-mix(in srgb, var(--bg-surface-elevated) 60%, transparent);
}

.timeline-view-settings {
  margin-top: var(--space-2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--bg-surface) 92%, transparent);
}

.timeline-view-settings > summary {
  padding: var(--space-2) var(--space-3);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 600;
}

.timeline-view-settings > summary:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: -2px;
}

.timeline-view-options {
  display: grid;
  gap: var(--space-2);
  padding: 0 var(--space-3) var(--space-3);
}

.timeline-visibility-option {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.84rem;
}

.timeline-category-actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.timeline-playhead {
  position: absolute;
  z-index: 2;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--primary);
  pointer-events: none;
}

.player-layer-selection .annotation-span.is-selected {
  outline: 2px solid var(--focus-ring);
  outline-offset: 1px;
  filter: brightness(1.15);
}

/* Live drag/keyboard selection preview sits inside the lane, under the spans. */
.player-layer-selection .selection-preview {
  position: absolute;
  top: 0;
  bottom: 0;
  min-width: 3px;
  border-radius: 2px;
  background-color: color-mix(in srgb, var(--focus-ring) 38%, transparent);
  border-left: 1px solid var(--focus-ring);
  border-right: 1px solid var(--focus-ring);
  pointer-events: none;
}

.player-layer-selection .selection-caret {
  position: absolute;
  top: -2px;
  bottom: -2px;
  width: 2px;
  margin-left: -1px;
  background-color: var(--focus-ring);
  pointer-events: none;
}

.selection-readout {
  position: absolute;
  top: calc(100% + var(--space-1));
  right: 0;
  z-index: 4;
  padding: 2px var(--space-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background-color: var(--bg-surface);
  color: var(--text-primary);
  font-family: monospace;
  font-size: 0.72rem;
  white-space: nowrap;
  pointer-events: none;
}

.selection-help {
  margin: var(--space-1) 0 0;
}

.annotation-focus {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-control);
  margin-top: var(--space-2);
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--annotation-focus-color, var(--category-slate));
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface-elevated);
}

.annotation-focus-label {
  font-size: 0.8rem;
  font-family: monospace;
  overflow-wrap: anywhere;
}

.annotation-focus-actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.selection-preview-player {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-top: var(--space-2);
  padding: var(--space-2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-input);
}

.selection-preview-controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.selection-preview-time {
  font-family: monospace;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.annotation-time-fields {
  align-items: flex-start;
}

#annotation-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

#annotation-form .form-group {
  gap: var(--space-1);
  margin-bottom: 0;
}

#annotation-form .annotation-time-fields {
  gap: var(--space-2);
}

#annotation-form .selection-preview-player {
  margin-top: 0;
}

.annotation-quick-adjust {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  margin-top: var(--space-1);
  max-width: 22rem;
}

.annotation-quick-adjust .btn {
  padding: 1px var(--space-1);
  font-size: 0.7rem;
  line-height: 1.4;
  min-width: 0;
}

/* Label-selection modal footer: destructive-adjacent trim actions sit in their
   own group, commit actions are pushed to the end. */
.modal-footer.modal-footer-split {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-1);
  padding-top: var(--space-2);
}

.modal-footer-split .modal-footer-secondary {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-wrap: wrap;
  margin-inline-end: auto;
  padding-inline-end: var(--space-3);
  border-inline-end: 1px solid var(--border-color);
}

.annotation-modal-commit-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

#annotation-modal .modal-dialog {
  padding: var(--space-3);
}

#annotation-modal .modal-header {
  margin-bottom: var(--space-2);
  padding-bottom: var(--space-2);
}

@media (max-width: 640px) {
  .modal-footer-split .modal-footer-secondary {
    width: 100%;
    margin-inline-end: 0;
    padding: 0 0 var(--space-2);
    border-inline-end: 0;
    border-bottom: 1px solid var(--border-color);
  }

  .annotation-modal-commit-actions {
    width: 100%;
    justify-content: flex-end;
  }
}

.annotation-new-category {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-top: var(--space-1);
  padding: var(--space-2);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
}

.annotation-new-category .btn {
  align-self: flex-start;
}

.annotation-filter-summary {
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.annotation-filter-popover {
  position: absolute;
  top: calc(100% - var(--space-3));
  right: var(--space-4);
  z-index: 60;
  width: min(320px, calc(100vw - var(--space-6)));
  padding: var(--space-3);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface);
  box-shadow: var(--shadow-lg);
}

.annotation-filter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2);
}

.annotation-filter-header h4 {
  margin: 0;
  font-size: 0.9rem;
}

.annotation-filter-categories {
  margin: 0 0 var(--space-2);
  padding: 0;
  border: 0;
}

.annotation-filter-category-option {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.8rem;
}

.annotation-filter-color {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background-color: var(--annotation-color, var(--category-slate));
}

.annotation-filter-color[data-color-token="slate"] { --annotation-color: var(--category-slate); }
.annotation-filter-color[data-color-token="sky"] { --annotation-color: var(--category-sky); }
.annotation-filter-color[data-color-token="emerald"] { --annotation-color: var(--category-emerald); }
.annotation-filter-color[data-color-token="amber"] { --annotation-color: var(--category-amber); }
.annotation-filter-color[data-color-token="rose"] { --annotation-color: var(--category-rose); }
.annotation-filter-color[data-color-token="violet"] { --annotation-color: var(--category-violet); }
.annotation-filter-color[data-color-token="teal"] { --annotation-color: var(--category-teal); }
.annotation-filter-color[data-color-token="orange"] { --annotation-color: var(--category-orange); }

.player-layer-selection .annotation-span {
  position: absolute;
  appearance: none;
  top: 2px;
  bottom: 2px;
  min-width: 3px;
  margin: 0;
  padding: 0;
  color: transparent;
  font: inherit;
  border-radius: 2px;
  background-color: var(--annotation-color, var(--category-slate));
  border: 0;
  pointer-events: auto;
  cursor: pointer;
}

.player-layer-selection .annotation-span[data-kind="point"] {
  width: 3px;
  top: 0;
  bottom: 0;
  border-radius: 1px;
}

.player-layer-selection .annotation-span[data-color-token="slate"] { --annotation-color: var(--category-slate); }
.player-layer-selection .annotation-span[data-color-token="sky"] { --annotation-color: var(--category-sky); }
.player-layer-selection .annotation-span[data-color-token="emerald"] { --annotation-color: var(--category-emerald); }
.player-layer-selection .annotation-span[data-color-token="amber"] { --annotation-color: var(--category-amber); }
.player-layer-selection .annotation-span[data-color-token="rose"] { --annotation-color: var(--category-rose); }
.player-layer-selection .annotation-span[data-color-token="violet"] { --annotation-color: var(--category-violet); }
.player-layer-selection .annotation-span[data-color-token="teal"] { --annotation-color: var(--category-teal); }
.player-layer-selection .annotation-span[data-color-token="orange"] { --annotation-color: var(--category-orange); }

.player-layer-selection .annotation-span.is-overlapping {
  outline: 1px solid var(--text-primary);
  outline-offset: 1px;
  background-image: repeating-linear-gradient(
    135deg,
    color-mix(in srgb, var(--text-primary) 72%, transparent) 0,
    color-mix(in srgb, var(--text-primary) 72%, transparent) 2px,
    transparent 2px,
    transparent 5px
  );
}

.player-layer-selection .annotation-span:focus-visible,
.player-layer-selection .annotation-span.is-selected {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

/* Transient utterance-hover band: shown only while a card is hovered or
   keyboard-focused, positioned from packet intervals via the display mapping. */
/* UX-14: elided trim spans render as a capped hatched band on the timeline. A
   band is a real control: clicking it plays that skipped span with trimming
   suspended for the span only. */
.player-layer-trim {
  inset: 0 0 auto 0;
  height: var(--player-scrub-height);
  z-index: 2;
  pointer-events: none;
}

.player-layer-trim[hidden] {
  display: none;
}

.trim-elided {
  position: absolute;
  top: 0;
  bottom: 0;
  min-width: 2px;
  padding: 0;
  border: 1px solid color-mix(in srgb, var(--warning) 70%, var(--border-strong));
  border-radius: 3px;
  background-color: color-mix(in srgb, var(--warning) 16%, transparent);
  background-image: repeating-linear-gradient(
    45deg,
    color-mix(in srgb, var(--warning) 38%, transparent) 0,
    color-mix(in srgb, var(--warning) 38%, transparent) 2px,
    transparent 2px,
    transparent 6px
  );
  color: var(--warning);
  font-size: 0.7rem;
  line-height: 1;
  cursor: pointer;
  pointer-events: auto;
}

.trim-elided[data-display-mode="hide"] {
  z-index: 1;
  border-color: transparent;
  border-radius: 0;
  background-color: transparent;
  background-image: none;
}

.trim-elided[data-display-mode="hide"] .trim-elided-glyph {
  width: auto;
  height: auto;
  color: var(--warning);
}

.trim-elided:hover,
.trim-elided:focus-visible {
  background-color: color-mix(in srgb, var(--warning) 28%, transparent);
  outline: 1px solid var(--warning);
  outline-offset: 1px;
}

.trim-elided-glyph {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-weight: 700;
}

.trim-chip-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.trim-chip-row[hidden] {
  display: none;
}

.trim-chip {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background-color: var(--bg-surface-elevated);
  color: var(--text-secondary);
  font-family: monospace;
  font-size: 0.78rem;
  white-space: nowrap;
}

.trim-chip[hidden] {
  display: none;
}

.trim-bypass {
  border-color: var(--warning);
  color: var(--warning);
}

.trim-error {
  color: var(--danger);
  font-size: 0.82rem;
}

.trim-error[hidden] {
  display: none;
}

.trim-selection-actions {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.trim-selection-actions[hidden] {
  display: none;
}

.temporary-exclusions-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  background-color: color-mix(in srgb, var(--bg-surface-elevated) 80%, transparent);
}

.temporary-exclusions-row[hidden] {
  display: none;
}

.temporary-exclusions-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.temporary-exclusions-list {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.temporary-exclusion-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.15rem 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background-color: var(--bg-surface);
  color: var(--text-primary);
  font-family: monospace;
  font-size: 0.78rem;
  white-space: nowrap;
}

.temporary-exclusion-jump,
.temporary-exclusion-keep {
  font-size: 0.72rem;
  padding: 0.1rem 0.35rem;
  line-height: 1.1;
  border-radius: 4px;
}

.btn-chip-remove,
.invalid-filter-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  padding: 0;
  margin-left: var(--space-1);
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.75rem;
  line-height: 1;
  cursor: pointer;
}

.btn-chip-remove:hover,
.invalid-filter-remove:hover {
  background-color: color-mix(in srgb, var(--danger) 15%, transparent);
  color: var(--danger);
}

.review-view-state-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-2);
}

.invalid-filter-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.15rem 0.5rem;
  border: 1px solid var(--warning);
  border-radius: 999px;
  background-color: color-mix(in srgb, var(--warning) 12%, transparent);
  color: var(--text-primary);
  font-family: monospace;
  font-size: 0.78rem;
}

.player-layer-hover {
  top: 0;
  height: var(--player-scrub-height);
  z-index: 3;
  border-radius: 3px;
  background-color: color-mix(in srgb, var(--focus-ring) 22%, transparent);
  border: 1px solid color-mix(in srgb, var(--focus-ring) 55%, transparent);
  pointer-events: auto;
  cursor: pointer;
}

.player-minimap-readout {
  position: absolute;
  top: -26px;
  transform: translateX(-50%);
  z-index: 4;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background-color: var(--bg-surface);
  color: var(--text-primary);
  font-family: monospace;
  font-size: 0.75rem;
  white-space: nowrap;
  pointer-events: none;
}

.scrub-container:hover .scrub-thumb,
.scrub-container:focus .scrub-thumb {
  transform: translate(-50%, -50%) scale(1.2);
}

.player-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-3);
  flex-wrap: wrap;
  gap: var(--gap-control);
}

.player-btn-group {
  display: flex;
  align-items: center;
  gap: var(--gap-control);
}

/* Transcript Utterance List & RTL BiDi Semitic Typography */
.review-controls-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  padding: var(--space-3);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

/* Compact review strip: layout control, collapsible filters and the primary
   mutation stay visible; remaining chrome collapses into the filter details. */
.review-controls-compact-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-control);
  flex-wrap: wrap;
}

.review-controls-compact-row .review-filter-settings {
  flex: 1 1 220px;
  min-width: 0;
}

.review-controls-compact-row .review-filter-settings summary {
  list-style-position: inside;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
}

.review-controls-compact-row .review-filter-settings summary:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}

.review-controls-compact-row .review-filter-settings[open] summary {
  border-color: var(--border-strong);
}

.review-filter-grid {
  margin-top: var(--space-2);
}

.review-controls-heading,
.transcript-pagination,
.transcript-page-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-control);
}

.review-controls-heading h3 {
  margin: 0;
  font-size: 0.95rem;
}

.review-controls-heading p,
#transcript-result-count,
.review-help {
  margin: var(--space-1) 0 0;
  color: var(--text-secondary);
  font-size: 0.78rem;
}

.review-notice {
  padding: var(--space-2) var(--space-3);
  border: 1px solid rgba(251, 191, 36, 0.4);
  border-radius: var(--radius-sm);
  background: rgba(251, 191, 36, 0.08);
  color: var(--text-primary);
  font-size: 0.84rem;
}

.review-controls-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.segmented-control {
  display: inline-flex;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--bg-input);
}

.segmented-control-btn {
  border: 0;
  background: transparent;
  color: var(--text-secondary);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.segmented-control-btn + .segmented-control-btn {
  border-inline-start: 1px solid var(--border-strong);
}

.segmented-control-btn:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
}

.segmented-control-btn:active {
  background-color: var(--bg-surface-active);
  color: var(--text-primary);
}

.segmented-control-btn:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: -2px;
}

.segmented-control-btn.is-selected {
  background-color: var(--primary);
  color: #f8fafc;
}

/* UX-17 transcript search: always visible in the review panel, card and listening modes. */
.review-search-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--gap-control);
}

.review-search-field {
  position: relative;
  display: flex;
  align-items: center;
  flex: 1 1 260px;
  min-width: 0;
}

.review-search-glyph {
  position: absolute;
  inset-inline-start: var(--space-2);
  color: var(--text-muted);
  font-size: 0.95rem;
  pointer-events: none;
}

.review-search-field .form-control {
  width: 100%;
  padding-inline-start: var(--space-5);
}

.search-count-chip {
  background-color: color-mix(in srgb, var(--accent) 20%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--border-color));
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.review-search-hint {
  flex: 1 1 100%;
  margin: 0;
}

mark.search-hit {
  padding: 0 0.05em;
  border-radius: 2px;
  background-color: color-mix(in srgb, var(--warning) 45%, transparent);
  color: var(--text-primary);
}

.utterance-card.selected mark.search-hit,
.listening-utterance.selected mark.search-hit {
  background-color: color-mix(in srgb, var(--warning) 70%, transparent);
}

/* Listening mode: segment cards grouped by real event intervals, speaker turns and
   sentence breaks. UX-16 parameterizes every metric through custom properties set on
   `.listening-flow` from the settings registry; nothing here keeps a second copy. */
.listening-flow {
  --listen-font-size: 1rem;
  --listen-line-height: 1.7;
  --listen-density-pad: 0.32rem;
  --listen-density-gap: 0.3rem;
  --listen-segment-gap: 0.4rem;
  --listen-intra-gap: 6px;
  display: flex;
  flex-direction: column;
  gap: var(--listen-segment-gap);
  padding: 0.35rem 0.15rem 1rem;
  font-size: var(--listen-font-size);
  line-height: var(--listen-line-height);
}

.listening-segment {
  display: flex;
  flex-direction: column;
  gap: var(--listen-density-gap);
  min-width: 0;
}

.listening-segment-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.listening-segment-time,
.listening-segment-words {
  font-variant-numeric: tabular-nums;
}

.listening-segment-speaker {
  color: color-mix(in srgb, var(--primary) 75%, var(--text-secondary));
}

.listening-segment-body {
  display: flex;
  flex-direction: column;
  gap: var(--listen-density-gap);
  min-width: 0;
}

.listening-turn {
  --listening-speaker-color: var(--listening-speaker-6);
  min-width: 0;
  color: var(--text-primary);
}

.listening-turn[data-speaker-index="0"] { --listening-speaker-color: var(--listening-speaker-1); }
.listening-turn[data-speaker-index="1"] { --listening-speaker-color: var(--listening-speaker-2); }
.listening-turn[data-speaker-index="2"] { --listening-speaker-color: var(--listening-speaker-3); }
.listening-turn[data-speaker-index="3"] { --listening-speaker-color: var(--listening-speaker-4); }
.listening-turn[data-speaker-index="4"] { --listening-speaker-color: var(--listening-speaker-5); }
.listening-turn[data-speaker-index="5"] { --listening-speaker-color: var(--listening-speaker-6); }

.listening-turn-speaker {
  /* Block-level tag above the turn body: the first utterance starts on its own
     line, so its first line and every wrapped line share the same inline edge.
     An inline tag would indent only the first line by the tag width. */
  display: flex;
  align-items: center;
  gap: 0.3rem;
  width: fit-content;
  max-width: 100%;
  margin-block-end: 0.12rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-transform: none;
  color: color-mix(in srgb, var(--listening-speaker-color) 70%, var(--text-primary));
}

.listening-turn-speaker::before {
  content: "";
  inline-size: 0.45rem;
  block-size: 0.45rem;
  border-radius: 50%;
  background-color: var(--listening-speaker-color);
  flex: 0 0 auto;
}

.listening-flow[data-speaker-colors="off"] .listening-turn {
  --listening-speaker-color: var(--border-strong);
}

.listening-flow[data-speaker-colors="off"] .listening-turn-speaker {
  color: var(--text-secondary);
}

/* When the speaker label is shown (independently from the color rule). */
.listening-flow[data-speaker-label="hidden"] .listening-turn-speaker,
.listening-flow[data-speaker-label="always"] .listening-turn-speaker {
  display: none;
}

.listening-flow[data-speaker-label="hover"] .listening-turn-speaker {
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.listening-flow[data-speaker-label="hover"] .listening-turn:hover .listening-turn-speaker,
.listening-flow[data-speaker-label="hover"] .listening-turn:focus-within .listening-turn-speaker {
  opacity: 1;
}

.listening-utterance-speaker {
  display: none;
}

.listening-flow[data-speaker-label="always"] .listening-utterance-speaker {
  display: inline;
  margin-inline-end: 0.35rem;
  font-size: 0.72em;
  font-weight: 600;
  color: color-mix(in srgb, var(--listening-speaker-color) 70%, var(--text-primary));
}

.listening-flow[data-speaker-label="always"][data-speaker-colors="off"] .listening-utterance-speaker {
  color: var(--text-secondary);
}

.listening-utterance {
  display: inline-block;
  position: relative;
  max-width: 100%;
  padding-inline: var(--listen-density-pad);
  padding-block: calc(var(--listen-density-pad) * 0.5);
  margin-inline-end: calc(var(--listen-density-pad) * 0.5);
  margin-block: calc(var(--listen-intra-gap) / 2);
  border-inline-start: 2px solid var(--listening-speaker-color);
  border-radius: 2px;
  vertical-align: baseline;
  cursor: text;
  transition: background-color var(--transition-fast);
}

.listening-flow[data-row-policy="per-utterance"] .listening-utterance {
  display: block;
  margin-inline-end: 0;
}

.listening-flow[data-utterance-borders="on"] .listening-utterance {
  border: 1px solid color-mix(in srgb, var(--listening-speaker-color) 55%, var(--border-color));
  border-inline-start: 2px solid var(--listening-speaker-color);
}

.listening-utterance:hover,
.listening-utterance:focus-visible {
  background-color: color-mix(in srgb, var(--listening-speaker-color) 16%, transparent);
  outline: none;
}

.listening-utterance:focus-visible {
  box-shadow: 0 0 0 2px var(--focus-ring);
}

.listening-utterance.selected {
  background-color: color-mix(in srgb, var(--primary) 16%, transparent);
  box-shadow: 0 0 0 1px var(--primary);
}

.listening-utterance.highlight-intervals.active-playback {
  background-color: color-mix(in srgb, var(--primary) 14%, transparent);
  border-inline-start-color: var(--primary);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--primary) 45%, transparent);
}

.listening-utterance--editing {
  display: block;
  background: transparent;
  box-shadow: none;
}

/* Per-datum visibility (number, time, controls, attestation). `hover` data stays in
   the layout but is revealed on hover/focus of the utterance or its speaker turn.
   `overlay` data is absolutely positioned: it reserves no space at all and the
   utterance carries a subtle dotted underline so its individual unit boundary stays
   visible while the controls are hidden. */
.listening-info {
  margin-inline-start: 0.25rem;
  font-size: 0.72em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  color: var(--text-secondary);
}

.listening-info[data-visibility="hover"] {
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.listening-utterance:hover .listening-info[data-visibility="hover"],
.listening-utterance:focus-within .listening-info[data-visibility="hover"],
.listening-turn:hover .listening-info[data-visibility="hover"] {
  opacity: 1;
  pointer-events: auto;
}

.listening-overlay {
  position: absolute;
  inset-inline-end: 0;
  bottom: 100%;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  max-width: min(20rem, 90vw);
  padding: 0.15rem 0.35rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface-elevated);
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.listening-overlay .listening-info {
  margin-inline-start: 0;
}

.listening-utterance:hover .listening-overlay,
.listening-utterance:focus-within .listening-overlay {
  opacity: 1;
  pointer-events: auto;
}

.listening-utterance[data-overlay-info="true"] .listening-utterance-text {
  text-decoration: underline dotted color-mix(in srgb, var(--listening-speaker-color) 50%, transparent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

.listening-info--edit,
.listening-info--attest {
  display: inline-flex;
  align-items: center;
  gap: 0.15rem;
  vertical-align: middle;
  margin-inline-start: 0;
}

.listening-info--edit .btn,
.listening-info--attest .btn {
  padding: 0 0.35rem;
  font-size: 0.95em;
  line-height: 1.4;
}

/* Gap annotations between real packet intervals ("5s later" wide, "5s" narrow). */
.listening-gap {
  display: inline-flex;
  align-items: center;
  margin-inline: 0.35rem;
  color: var(--text-muted);
  font-size: 0.72em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.listening-gap-wide {
  display: inline;
}

.listening-gap-narrow {
  display: none;
}

.listening-gap--block {
  display: flex;
  align-self: stretch;
  margin: 0.15rem 0;
}

.listening-gap--block::before,
.listening-gap--block::after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: var(--border-color);
}

.listening-gap--block .listening-gap-wide,
.listening-gap--block .listening-gap-narrow {
  padding-inline: 0.45rem;
}

@media (max-width: 640px) {
  .listening-gap-wide {
    display: none;
  }

  .listening-gap-narrow {
    display: inline;
  }
}

.listening-line-break {
  display: block;
  height: 0;
  margin: 0;
  padding: 0;
}

.listening-editor {
  display: block;
  margin: 0.5rem 0 0.25rem;
  padding: 0.65rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.listening-editor .modal-footer {
  margin-top: 0.75rem;
}

.review-filter-settings summary {
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.83rem;
  font-weight: 600;
}

.review-filter-grid {
  display: grid;
  grid-template-columns: minmax(210px, 0.8fr) minmax(0, 2fr);
  gap: var(--gap-element);
  padding-top: var(--space-3);
}

.review-display-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
  margin: 0;
  padding: var(--space-3);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.review-display-options legend {
  padding: 0 var(--space-1);
  color: var(--text-secondary);
  font-size: 0.78rem;
}

.review-display-options label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-1);
  font-size: 0.8rem;
  line-height: 1.4;
}

.review-display-options input {
  flex: 0 0 auto;
  margin-top: var(--space-1);
}

.review-filter-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: end;
  gap: var(--space-2);
}

.review-filter-options .form-group,
.review-range-fields .form-group {
  min-width: 0;
  margin-bottom: 0;
}

.review-filter-options .form-control,
.review-range-fields .form-control {
  min-width: 0;
  width: 100%;
}

.review-filter-options .form-label,
.review-range-fields .form-label {
  font-size: 0.76rem;
}

.review-range-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.review-form-error {
  margin: 0;
  color: var(--danger, #f87171);
  font-size: 0.82rem;
}

.selection-preview-error[data-preview-message-kind="media-status"] {
  color: var(--text-secondary);
}

.transcript-pagination {
  margin: 0 0 var(--space-2);
  font-size: 0.82rem;
}

.transcript-page-controls {
  justify-content: flex-end;
}

.transcript-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.utterance-card {
  position: relative;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

/* UX-18: the active accent rule rides a pseudo-element so becoming active never
   reflows the card, and hover/active/selected stay three distinct signatures. */
.utterance-card::before {
  content: '';
  position: absolute;
  inset-inline-start: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  border-start-start-radius: var(--radius-md);
  border-end-start-radius: var(--radius-md);
  background-color: transparent;
}

/* Hover: light background lift + darker border, no motion. */
.utterance-card:is(:hover, .is-hover):not(.active-playback) {
  background-color: var(--bg-surface-hover);
  border-color: var(--border-hover);
}

/* Active (currently playing): accent-filled left rule + background tint +
   elevated border + a once-only activation flash. */
.utterance-card.active-playback {
  background-color: color-mix(in srgb, var(--primary) 12%, var(--bg-surface));
  border-color: var(--border-strong);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--primary) 45%, transparent);
  animation: utterance-card-activate 320ms ease-out 1;
}

.utterance-card.active-playback::before {
  background-color: var(--primary);
}

/* Selection focus: the keyboard-focus ring style, shared by click-selection. */
.utterance-card.selected,
.utterance-card:is(:focus-visible, .is-focus-visible) {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
  box-shadow: inset 0 0 0 2px var(--focus-ring);
}

@keyframes utterance-card-activate {
  from {
    box-shadow: 0 0 0 6px color-mix(in srgb, var(--primary) 30%, transparent);
  }
  to {
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--primary) 45%, transparent);
  }
}

@media (prefers-reduced-motion: reduce) {
  .utterance-card.active-playback {
    animation: none;
  }
}

.utterance-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2);
  font-size: 0.85rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
  gap: var(--gap-control);
}

.utterance-speaker-chip {
  background-color: var(--bg-surface-elevated);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-weight: 600;
  color: #38bdf8;
}

/* Strict BiDi Semitic Typography */
.utterance-text {
  font-size: 1.05rem;
  line-height: 1.7;
  /* The element's dir attribute (first-strong via transcript_text.js) owns the
     paragraph base direction; text-align:start then aligns RTL text to the right.
     `unicode-bidi: plaintext` was wrong here: it can flip each line independently
     of the element direction that text-align uses. */
  text-align: start;
  margin: var(--space-2) 0;
  padding: var(--space-1) 0;
}

.utterance-text bdi {
  unicode-bidi: isolate;
}

.word-token {
  cursor: pointer;
}

.word-token.word-active {
  border-radius: 0.2rem;
  background-color: rgba(250, 204, 21, 0.3);
  box-shadow: 0 0 0 1px rgba(250, 204, 21, 0.45);
  color: var(--text-primary);
}

.origin-edited-badge {
  background-color: rgba(167, 139, 250, 0.15);
  color: #c4b5fd;
}

.origin-created-badge {
  background-color: rgba(52, 211, 153, 0.14);
  color: #6ee7b7;
}

.origin-automatic-badge {
  background-color: rgba(96, 165, 250, 0.14);
  color: #93c5fd;
}

.origin-unknown-badge {
  background-color: var(--bg-surface-elevated);
  color: var(--text-secondary);
}

.utterance-origin-indicators {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.utterance-actions {
  display: flex;
  align-items: center;
  gap: var(--gap-control);
  margin-top: var(--space-2);
  flex-wrap: wrap;
}

/* UX-15: overlap merge suggestions (transcript root) and the editor "Modify"
   section. Scoped to its own selectors; spacing comes from U03 tokens only. */
.overlap-suggestions {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.overlap-chip {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: 1px solid color-mix(in srgb, var(--warning) 45%, var(--border-color));
  border-radius: var(--radius-md);
  background-color: color-mix(in srgb, var(--warning) 12%, var(--bg-surface));
  font-size: 0.85rem;
}

.overlap-chip-text {
  flex: 1 1 16rem;
  min-width: 0;
}

.overlap-chip-accept,
.overlap-chip-dismiss {
  flex: 0 0 auto;
}

.review-modify-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-color);
}

.review-modify-heading {
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

/* Mode Segmented Switch */
.mode-segmented-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  cursor: pointer;
  font-size: var(--text-xs);
  line-height: 1.2;
}

.mode-segment {
  padding: 3px 8px;
  border-radius: 999px;
  color: var(--text-secondary);
  font-weight: 500;
  transition: background-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.mode-segment.is-active {
  background: var(--accent-primary);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.18);
}

.mode-segment.is-unavailable {
  color: var(--text-muted);
  font-style: italic;
}

/* Revision grouping pill */
.revision-grouping-pill-wrap {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 4px 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}

.revision-grouping-pill-label {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

/* Review: workspace header, banners and player chrome (UX-03) */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.review-header {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 12px;
  padding: 6px 10px 8px;
  margin-bottom: var(--space-2);
  border-bottom: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  min-width: 0;
  max-width: 100%;
  position: relative;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

body.review-view-mode .review-header {
  background: color-mix(in srgb, var(--warning) 8%, var(--bg-surface));
  border-color: color-mix(in srgb, var(--warning) 35%, var(--border-color));
}

/* UX-19: project identity block and same-source project switcher. */
.review-identity {
  display: flex;
  flex-direction: row;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 10px;
  min-width: 0;
  max-width: 100%;
  flex: 1 1 auto;
}

.review-title-cluster {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  max-width: 100%;
  flex: 0 1 auto;
}

/* Integrated Project Name + Edit Pencil Capsule with Constant Width */
.review-title-edit-group {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  height: 30px;
  width: clamp(9.5rem, 15vw, 13.5rem);
  flex: 0 0 clamp(9.5rem, 15vw, 13.5rem);
  box-sizing: border-box;
  padding: 0 4px 0 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  min-width: 0;
  max-width: 100%;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.review-title-edit-group:hover,
.review-title-edit-group:focus-within {
  border-color: var(--border-strong);
  background: var(--bg-surface-elevated);
}

.review-meta-cluster {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  max-width: 100%;
  flex: 0 1 auto;
  flex-wrap: wrap;
}

.review-meta-cluster > * {
  flex-shrink: 0;
}

.review-header-actions {
  display: flex;
  flex-direction: row;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  min-width: 0;
  max-width: 100%;
  flex: 0 0 auto;
}

.review-actions-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px;
  min-width: 0;
  max-width: 100%;
  position: relative;
}

/* Uniform 30px height and crisp alignment across all Review Header controls */
.review-header .btn-sm,
.review-header .review-toolbar-btn {
  height: 30px;
  min-height: 30px;
  padding: 0 8px;
  font-size: 0.78rem;
  line-height: 1;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  white-space: nowrap;
  flex-shrink: 0;
}

#rename-recording-btn,
.review-header #rename-recording-btn,
#review-recording-properties-btn,
.review-header #review-recording-properties-btn {
  width: 24px;
  min-width: 24px;
  height: 22px;
  min-height: 22px;
  padding: 0;
  flex: 0 0 auto;
  font-size: 0.82rem;
  line-height: 1;
  border: 1px solid transparent;
  border-radius: 4px;
  background: transparent;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

#rename-recording-btn:hover,
#rename-recording-btn:focus-visible,
#review-recording-properties-btn:hover,
#review-recording-properties-btn:focus-visible {
  background: var(--bg-input);
  border-color: var(--border-strong);
  color: var(--text-primary);
}

#undo-btn,
#redo-btn,
#review-copy-link-btn {
  min-width: 30px;
  padding: 0 7px;
  font-size: 0.88rem;
}

.review-mutation-slot {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 5px;
  width: 148px;
  min-width: 148px;
  max-width: 148px;
  flex: 0 0 148px;
  box-sizing: border-box;
}

.review-header #undo-btn,
.review-header #redo-btn {
  width: 30px;
  min-width: 30px;
  max-width: 30px;
  padding: 0;
}

.review-header #publish-btn {
  width: 78px;
  min-width: 78px;
  max-width: 78px;
  padding: 0 6px;
}

.review-mutation-slot #review-mode-notice {
  width: 148px;
  min-width: 148px;
  max-width: 148px;
  height: 30px;
  padding: 0 6px;
  justify-content: center;
  box-sizing: border-box;
}

body.review-view-mode[data-view-mode-editing-ui="disable"] #view-review .review-mutation-slot #review-mode-notice {
  display: none !important;
}

.toolbar-count-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--bg-input);
  font-size: 0.7rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.btn-toolbar-label {
  font-size: 0.76rem;
}

/* Floating non-reflowing toast for Copy Link status */
.review-copy-link-toast,
#review-copy-link-status {
  position: absolute !important;
  top: calc(100% + 6px);
  inset-inline-end: 0;
  z-index: 80;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-md);
  font-size: 0.74rem;
  font-weight: 600;
  white-space: nowrap;
  pointer-events: none;
}

.review-copy-link-toast:empty,
#review-copy-link-status:empty {
  display: none !important;
}

#review-heading,
#view-review .review-header #review-heading {
  font-size: 0.94rem;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: none;
  flex: 1 1 auto;
  min-width: 0;
  margin: 0 !important;
}

#review-project-switcher {
  width: auto;
  min-width: 5.5rem;
  max-width: clamp(6rem, 11vw, 9.5rem);
  height: 30px;
  min-height: 30px;
  padding: 0 22px 0 8px;
  font-size: 0.78rem;
  border-radius: var(--radius-sm);
  flex: 0 1 auto;
}

/* Uniform 24px pills for status/mode/revision/source badges in header */
.review-header .badge {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 8px;
  font-size: 0.72rem;
  line-height: 1;
  border-radius: 999px;
  white-space: nowrap;
  flex: 0 0 auto;
  flex-shrink: 0;
  box-sizing: border-box;
}

/* Use inline-block on truncated/expandable pills so text-overflow: ellipsis works reliably and boxes never overlap */
.review-header .badge-expandable,
#review-source-name {
  display: inline-block;
  height: 24px;
  line-height: 22px;
  padding: 0 8px;
  font-size: 0.72rem;
  border-radius: 999px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  vertical-align: middle;
  flex: 0 0 auto;
  flex-shrink: 0;
  box-sizing: border-box;
}

#revision-badge {
  max-width: 11ch;
}

#review-mode-chip {
  width: 6.2rem;
  min-width: 6.2rem;
  max-width: 6.2rem;
  justify-content: center;
  text-align: center;
}

#review-source-name {
  font-weight: 500;
  text-transform: none;
  letter-spacing: normal;
  color: var(--text-secondary);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  max-width: clamp(8ch, 11vw, 15ch);
}

#review-source-name:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

#source-badge {
  max-width: 10ch;
  color: var(--text-secondary);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
}

.review-source-label {
  display: none;
}

.review-project-switcher-label {
  margin: 0;
}

/* Single-line scrollable expansion for revision/source IDs so expanding NEVER splits the header into 2 lines! */
.review-header #revision-badge.is-expanded,
.review-header #source-badge.is-expanded,
.review-header .badge-expandable.is-expanded,
.review-header .badge-expandable[aria-expanded="true"],
.review-header .badge-expandable[data-expanded="true"] {
  max-width: min(14rem, 24vw);
  white-space: nowrap !important;
  overflow-x: auto;
  overflow-y: hidden;
  text-overflow: clip;
  scrollbar-width: thin;
  vertical-align: middle;
}

/* Desktop single-row consolidation (>= 1080px) */
@media (min-width: 1080px) {
  .review-header {
    flex-wrap: nowrap;
    gap: 10px;
  }

  .review-identity {
    flex-wrap: nowrap;
    gap: 8px;
  }

  .review-title-cluster,
  .review-meta-cluster,
  .review-header-actions,
  .review-actions-row {
    flex-wrap: nowrap;
  }
}

@media (max-width: 640px) {
  .review-header .badge-expandable.is-expanded,
  .review-header .badge-expandable[aria-expanded="true"],
  .review-header .badge-expandable[data-expanded="true"] {
    max-width: min(15rem, 75vw);
  }
}
.review-project-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.review-project-option {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-1);
  width: 100%;
  padding: var(--space-3);
  text-align: start;
  background-color: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
}
.review-project-option:is(:hover, :focus-visible) {
  border-color: var(--border-focus);
  background-color: var(--bg-surface-hover);
}
.review-project-option-name {
  font-weight: 600;
  overflow-wrap: anywhere;
}
.review-project-option-meta {
  font-variant-numeric: tabular-nums;
}
.review-error-banner {
  margin-bottom: var(--space-4);
  border-color: rgba(239, 68, 68, 0.3);
  background-color: rgba(239, 68, 68, 0.1);
}
.review-error-title {
  margin-bottom: var(--space-1);
  color: var(--danger);
}
.review-error-text {
  margin: 0;
  font-size: 0.85rem;
  color: #fca5a5;
}
.player-loading-badge {
  background: var(--bg-surface-elevated);
  font-size: 0.75rem;
}
.player-error-banner {
  margin-bottom: var(--space-2);
  padding: var(--space-1) var(--space-3);
  font-size: 0.85rem;
}
.player-speed-label {
  align-self: center;
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.8rem;
}
.player-speed-input {
  width: 70px;
  height: 32px;
  padding: var(--space-1);
  text-align: center;
}
.player-select {
  width: auto;
  height: 32px;
  padding: var(--space-1) var(--space-2);
}
.utterance-header-group {
  display: flex;
  align-items: center;
  gap: var(--gap-control);
}
.utterance-time-range { font-family: monospace; }

/* Modal Backdrops & Dialogs */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 1rem;
}

.modal-dialog {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: min(560px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1.25rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-color);
}

.remove-recording-impact-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  font-size: 0.9rem;
}

.impact-metrics-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.impact-metrics-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 0.25rem;
}

.impact-metrics-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

/* Diff Viewer */
.diff-viewer {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  line-height: 1.6;
}
.review-mode-notice {
  display: inline-flex;
  align-items: center;
  height: 28px;
  margin: 0;
  padding: 0 9px;
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: min(17rem, 36vw);
  color: var(--warning);
  background: color-mix(in srgb, var(--warning) 12%, var(--bg-surface));
  border: 1px solid color-mix(in srgb, var(--warning) 45%, var(--border-color));
  border-radius: 999px;
  flex: 0 1 auto;
}
body.review-view-mode[data-view-mode-editing-ui="hide"] #view-review [data-review-mutation] {
  display: none !important;
}
/* `disable` policy: the same controls stay in place, greyed, with an explicit reason
   on hover (the attribute is set by `applyViewModeEditingUiPolicy`). */
body.review-view-mode[data-view-mode-editing-ui="disable"] #view-review [data-review-mutation] {
  opacity: 0.45;
  filter: grayscale(1);
  cursor: not-allowed;
  pointer-events: none;
}
.diff-change-list {
  display: grid;
  gap: 0.65rem;
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
}
.diff-change {
  min-width: 0;
  padding: 0.65rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
}
.diff-change-heading {
  margin-bottom: 0.4rem;
  font-weight: 650;
}
.diff-fields {
  display: grid;
  gap: 0.35rem;
  margin: 0;
}
.diff-field {
  display: grid;
  grid-template-columns: minmax(5rem, 0.25fr) minmax(0, 1fr);
  gap: 0.5rem;
}
.diff-field dt {
  color: var(--text-secondary);
  font-weight: 600;
}
.diff-field dd {
  min-width: 0;
  overflow-wrap: anywhere;
}
.diff-before {
  color: #fca5a5;
  overflow-wrap: anywhere;
}
.diff-after {
  color: #6ee7b7;
  overflow-wrap: anywhere;
}
.publish-reader-links {
  margin: 0.75rem 0;
  overflow-wrap: anywhere;
}
.publish-reader-url {
  color: var(--text-secondary);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.8rem;
}
.diff-added {
  color: #34d399;
  background-color: rgba(16, 185, 129, 0.1);
  padding: 0.1rem 0.25rem;
  display: block;
}
.diff-removed {
  color: #f87171;
  background-color: rgba(239, 68, 68, 0.1);
  padding: 0.1rem 0.25rem;
  display: block;
}

/* Settings view (UX-08) */
.settings-layout {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.settings-sidebar {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: sticky;
  top: 1rem;
}

.settings-content {
  display: flex;
  flex-direction: column;
  gap: var(--gap-element);
  min-width: 0;
}

.settings-setup-panel {
  display: flex;
  flex-direction: column;
  gap: var(--gap-element);
  min-width: 0;
}

#settings-setup > .card {
  margin-bottom: 0;
}

.settings-setup-header {
  margin-bottom: var(--space-2);
}

.settings-preferences-actions {
  display: flex;
  flex-direction: column;
  gap: var(--gap-control);
}

.settings-nav-group {
  margin: var(--space-2) 0 0;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.settings-nav-group:first-child {
  margin-top: 0;
}

.settings-nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.settings-nav-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  padding: 0.45rem 0.65rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  text-align: start;
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
}

.settings-nav-btn:is(:hover, .is-hover):not(:disabled, [aria-disabled="true"]) {
  background-color: var(--bg-surface-elevated);
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.settings-nav-btn:is(:focus-visible, .is-focus-visible) {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.settings-nav-btn.active {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

.settings-nav-btn.active:is(:hover, .is-hover):not(:disabled, [aria-disabled="true"]) {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  color: #ffffff;
}

.settings-nav-btn:is(:active, .is-active):not(:disabled, [aria-disabled="true"]) {
  background-color: var(--bg-surface-hover);
  border-color: var(--border-hover);
  color: var(--text-primary);
  transform: translateY(1px);
}

.settings-nav-btn.active:is(:active, .is-active):not(:disabled, [aria-disabled="true"]) {
  background-color: var(--primary-active);
  border-color: var(--primary-active);
  color: #ffffff;
}

.settings-parameters {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-width: 0;
}

.settings-section {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.settings-parameter {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 260px);
  gap: 0.75rem 1rem;
  align-items: center;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-color);
}

.settings-parameter:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.settings-parameter-copy {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
}

.settings-parameter-label {
  font-weight: 600;
  color: var(--text-primary);
}

.settings-help {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.settings-control {
  justify-self: end;
  width: 100%;
  max-width: 260px;
}

input[type="checkbox"].settings-control {
  justify-self: end;
  width: 1.15rem;
  height: 1.15rem;
  accent-color: var(--primary);
}

.settings-error {
  color: #fca5a5;
  font-size: 0.8rem;
}

/* Responsive media queries */
@media (max-width: 640px) {
  .top-nav {
    padding: 0.5rem 0.75rem;
  }
  .nav-links {
    width: 100%;
    justify-content: space-between;
  }
  .diff-field {
    grid-template-columns: 1fr;
    gap: 0.1rem;
  }
  .nav-btn {
    flex: 1;
    text-align: center;
    padding: 0.35rem 0.25rem;
    font-size: 0.8rem;
  }
  .main-workspace {
    padding: 0.75rem;
  }
  .library-toolbar,
  .search-bar-group,
  .library-filter-controls {
    width: 100%;
  }
  .library-toolbar {
    flex-wrap: wrap;
  }
  .search-bar-group {
    min-width: 0;
  }
  .library-filter-controls {
    flex: 1 1 100%;
    flex-wrap: wrap;
  }
  .library-toolbar .form-control,
  .library-toolbar .btn {
    min-height: 44px;
  }
  .library-filter-controls > select {
    flex: 1 1 100%;
  }
  .library-filter-controls > button {
    flex: 1 1 auto;
  }
  .library-pagination {
    justify-content: space-between;
  }
  /* P17: the audit header labels are replaced by each stacked cell's own label;
     long model names and paths wrap instead of widening the page. */
  .model-audit-columns {
    display: none;
  }
  .model-audit-row {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-1);
  }
  .model-audit-cell {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-1) var(--space-2);
  }
  .model-audit-cell[data-label]::before {
    content: attr(data-label);
    color: var(--text-secondary);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }
  .model-audit-action {
    justify-content: flex-start;
  }
  .model-audit-action[data-label]::before {
    flex: 0 0 100%;
  }
  #setup-profile-summary {
    max-width: 100%;
    text-align: left;
  }
  .player-deck {
    padding: var(--space-3);
  }
  .settings-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  .settings-sidebar {
    position: static;
  }
  .settings-nav {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .settings-nav-btn {
    flex: 1 1 auto;
    text-align: center;
  }
  .settings-parameter {
    grid-template-columns: minmax(0, 1fr);
  }
  .settings-control {
    justify-self: stretch;
    max-width: 100%;
  }
  .player-controls {
    flex-direction: column;
    align-items: stretch;
    min-width: 0;
  }
  .time-display {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: var(--space-1);
  }
  #current-time {
    grid-column: 1;
    grid-row: 1;
  }
  #player-loading-indicator {
    grid-column: 2;
    grid-row: 1;
  }
  #total-time {
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
  }
  #track-indicator {
    grid-column: 1 / -1;
    grid-row: 2;
    text-align: center;
  }
  #player-loading-indicator {
    font-size: 0.68rem !important;
  }
  .player-btn-group {
    justify-content: center;
    flex-wrap: wrap;
    min-width: 0;
    max-width: 100%;
  }
  .review-controls-heading,
  .review-controls-compact-row,
  .transcript-pagination {
    align-items: flex-start;
    flex-direction: column;
  }
  .review-controls-compact-row .review-filter-settings {
    flex: 0 1 auto;
    width: 100%;
  }
  .review-filter-grid {
    grid-template-columns: 1fr;
  }
  .review-filter-options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .transcript-page-controls {
    width: 100%;
    justify-content: space-between;
  }
  .utterance-header > div:first-child {
    align-items: flex-start !important;
    flex-wrap: wrap;
  }
}

/* P09/T11 touch targets: every discrete action and form control offers a
   >= 44x44 CSS-pixel hit region on mobile/coarse-pointer layouts. The visible
   chrome stays compact (text size and horizontal padding are unchanged); only
   padding/min-size grows, and flex/grid gaps keep sibling hit regions disjoint.
   Applies to narrow viewports and to touch-primary devices (e.g. tablets). */
@media (max-width: 640px), (pointer: coarse) {
  :root {
    --player-scrub-height: 44px;
  }
  .btn,
  .btn-sm,
  .nav-btn,
  .segmented-control-btn,
  .form-control {
    min-height: 44px;
  }
  .btn-icon,
  .segmented-control-btn,
  .btn {
    min-width: 44px;
  }
  /* Native checkboxes keep their compact box; the wrapping label is the hit
     region and must be tall enough to tap without hitting a neighbour. */
  label:has(> input[type="checkbox"], > input[type="radio"]) {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
  }
  /* A profile row has a multi-line description; keep the radio beside the name
     instead of vertically centring it against the whole paragraph. */
  .profile-option:has(> input[type="radio"]) {
    align-items: flex-start;
  }
  .profile-option > input[type="radio"] {
    margin-top: var(--space-1);
  }
}


/* === P15 REVISION TREE ==================================================== */
.revision-tree-panel {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--border-subtle, rgba(148, 163, 184, 0.28));
  border-radius: 12px;
  background: var(--surface-raised, rgba(15, 23, 42, 0.35));
}

.revision-tree-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.revision-tree-heading h3 {
  margin: 0 0 var(--space-1);
}

.revision-tree-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
}

.revision-tree-search {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  min-width: min(100%, 16rem);
  padding: 0 var(--space-2);
  border: 1px solid var(--border-subtle, rgba(148, 163, 184, 0.28));
  border-radius: 8px;
  background: var(--surface-input, rgba(2, 6, 23, 0.35));
}

.revision-tree-search .form-control {
  border: 0;
  background: transparent;
  min-height: 2.5rem;
  padding-inline-start: 0;
}

.revision-tree-pruned {
  margin: var(--space-3) 0 0;
  padding: var(--space-2) var(--space-3);
  border-inline-start: 3px solid var(--warning, #f59e0b);
  border-radius: 6px;
  background: rgba(245, 158, 11, 0.1);
  font-size: 0.85rem;
}

.revision-storage-summary {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: 8px;
  background: var(--surface-secondary, rgba(148, 163, 184, 0.08));
  border: 1px solid var(--border-subtle, rgba(148, 163, 184, 0.2));
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary, #64748b);
}

.storage-accounting-panel {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-subtle, rgba(148, 163, 184, 0.2));
}

.storage-accounting-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.storage-accounting-details {
  margin-top: var(--space-2);
  font-size: 0.875rem;
  line-height: 1.5;
}

.storage-accounting-section {
  margin-bottom: var(--space-2);
}

.storage-cat-badge {
  display: inline-block;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  background: var(--surface-secondary, rgba(148, 163, 184, 0.12));
  font-size: 0.8rem;
  margin-inline-end: 0.25rem;
}

.revision-tree-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: var(--gap-element);
  margin-top: var(--space-3);
  min-width: 0;
}

.revision-tree-outline-wrap {
  min-width: 0;
  max-height: 32rem;
  overflow: auto;
  border: 1px solid var(--border-subtle, rgba(148, 163, 184, 0.2));
  border-radius: 10px;
  padding: var(--space-1);
}

.revision-tree-outline {
  list-style: none;
  margin: 0;
  padding: 0;
}

.revision-tree-item {
  --revision-depth: 0;
  margin: 0;
  padding: 0;
  outline: none;
}

.revision-tree-line {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  min-height: 2.75rem;
  padding: 0.3rem 0.4rem;
  padding-inline-start: calc(0.4rem + min(var(--revision-depth), 12) * 0.85rem);
  border-radius: 8px;
  cursor: pointer;
  min-width: 0;
}

.revision-tree-item:hover .revision-tree-line,
.revision-tree-item:focus-within .revision-tree-line {
  background: rgba(148, 163, 184, 0.12);
}

.revision-tree-item[aria-selected="true"] .revision-tree-line {
  background: rgba(56, 189, 248, 0.16);
  box-shadow: inset 0 0 0 1px rgba(56, 189, 248, 0.45);
}

/* The selected row stays mounted even when the window has paged away from it. */
.revision-tree-item.is-pinned .revision-tree-line {
  outline: 1px dashed rgba(245, 158, 11, 0.7);
  outline-offset: -2px;
}

.revision-tree-item.is-head .revision-tree-line {
  box-shadow: inset 3px 0 0 var(--accent, #38bdf8);
}

.revision-tree-toggle {
  flex: 0 0 auto;
  width: 1.75rem;
  height: 1.75rem;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font-size: 0.9rem;
}

.revision-tree-toggle.is-empty {
  cursor: default;
  opacity: 0.45;
}

.revision-tree-toggle.is-collapsed {
  color: var(--accent, #38bdf8);
  background: rgba(56, 189, 248, 0.14);
  font-weight: 700;
}

.revision-tree-item.is-collapsed .revision-tree-line {
  border-bottom: 2px dotted rgba(56, 189, 248, 0.35);
}

.revision-tree-kind {
  flex: 0 0 auto;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.12rem 0.35rem;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.18);
}

.revision-tree-summary {
  flex: 1 1 12rem;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.88rem;
}

.revision-tree-badges {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.revision-name-badge {
  background: rgba(168, 85, 247, 0.2);
  color: #c084fc;
  font-weight: 600;
  font-size: 0.68rem;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  border: 1px solid rgba(168, 85, 247, 0.35);
}

.revision-tree-badge {
  flex: 0 0 auto;
  font-size: 0.66rem;
  padding: 0.1rem 0.35rem;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.2);
}

.revision-tree-badge.is-head {
  background: rgba(56, 189, 248, 0.25);
}

.revision-tree-badge.is-baseline {
  background: rgba(16, 185, 129, 0.22);
}

.revision-tree-badge.is-leaf {
  background: rgba(148, 163, 184, 0.12);
  color: var(--text-secondary, #94a3b8);
}

.revision-tree-badge.is-collapsed-children,
.revision-tree-badge.revision-group-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  max-width: 4.75rem;
  min-width: 2.75rem;
  min-height: 1.55rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px dashed rgba(56, 189, 248, 0.65);
  background: rgba(56, 189, 248, 0.24);
  color: var(--text-primary, #f8fafc);
  font-size: 0.78rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  cursor: pointer;
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.revision-tree-badge.revision-group-toggle.is-expanded {
  border-style: solid;
  background: rgba(56, 189, 248, 0.3);
}

.revision-tree-badge.is-collapsed-children:hover,
.revision-tree-badge.revision-group-toggle:hover {
  background: rgba(56, 189, 248, 0.34);
  border-style: solid;
}

.revision-tree-time {
  margin-inline-start: auto;
  flex: 0 0 auto;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-primary, #f8fafc);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.revision-tree-size {
  flex: 0 0 auto;
  min-width: 4.25rem;
  text-align: right;
  font-size: 0.75rem;
  color: var(--text-secondary, #94a3b8);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.revision-tree-preview {
  min-width: 0;
  border: 1px solid var(--border-subtle, rgba(148, 163, 184, 0.2));
  border-radius: 10px;
  padding: 0.75rem;
  max-height: 32rem;
  overflow: auto;
}

.revision-tree-preview-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  flex-wrap: wrap;
}

.revision-name-control {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  max-width: 24rem;
}

.revision-tree-preview-title {
  margin: 0 0 var(--space-2);
  overflow-wrap: anywhere;
}

.revision-tree-facts {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: var(--space-1) var(--space-3);
  font-size: 0.82rem;
  margin: 0 0 var(--space-3);
}

.revision-tree-facts dt {
  color: var(--text-secondary, #94a3b8);
}

.revision-tree-facts dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.revision-tree-preview-events {
  margin: 0 0 var(--space-3);
  padding-inline-start: 1.25rem;
  display: grid;
  gap: var(--space-1);
  font-size: 0.85rem;
}

.revision-tree-preview-event {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2);
}

.revision-tree-preview-text {
  overflow-wrap: anywhere;
}

.revision-tree-preview-time {
  color: var(--text-secondary, #94a3b8);
  font-variant-numeric: tabular-nums;
  font-size: 0.75rem;
}

.revision-tree-preview-notice {
  margin: 0 0 var(--space-3);
  font-size: 0.78rem;
  color: var(--text-secondary, #94a3b8);
}

.revision-tree-diff-counts,
.revision-tree-diff-root,
.revision-tree-diff-boundary,
.revision-tree-diff-processing,
.revision-tree-diff-empty {
  margin: 0 0 var(--space-2);
  overflow-wrap: anywhere;
}

.revision-tree-diff-boundary,
.revision-tree-diff-error {
  color: var(--color-warning, #fbbf24);
}

.revision-tree-diff-changes {
  list-style: none;
  margin: 0 0 var(--space-3);
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.revision-tree-diff-change {
  min-width: 0;
  border: 1px solid var(--border-subtle, rgba(148, 163, 184, 0.2));
  border-radius: 8px;
  padding: var(--space-2);
}

.revision-tree-diff-change-title {
  margin: 0 0 var(--space-2);
  font-size: 0.9rem;
  text-transform: capitalize;
  overflow-wrap: anywhere;
}

.revision-tree-diff-fields {
  display: grid;
  grid-template-columns: minmax(6rem, 0.35fr) minmax(0, 1fr);
  gap: var(--space-2) var(--space-3);
  margin: 0;
  min-width: 0;
}

.revision-tree-diff-field-label {
  font-size: 0.8rem;
  color: var(--text-secondary, #94a3b8);
  overflow-wrap: anywhere;
}

.revision-tree-diff-field-values {
  margin: 0;
  min-width: 0;
  display: grid;
  gap: var(--space-1);
}

.revision-tree-diff-side {
  min-width: 0;
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  align-items: start;
  gap: 0.25rem var(--space-2);
  overflow-wrap: anywhere;
}

.diff-kind-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1.2;
  padding: 1px 7px;
  border-radius: 9999px;
  margin-left: 8px;
  text-transform: none;
  vertical-align: middle;
}

.diff-kind-added {
  background-color: rgba(16, 185, 129, 0.15);
  color: var(--color-success, #10b981);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.diff-kind-removed {
  background-color: rgba(239, 68, 68, 0.15);
  color: var(--color-danger, #ef4444);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.diff-kind-changed {
  background-color: rgba(59, 130, 246, 0.15);
  color: var(--color-primary, #3b82f6);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.diff-kind-split {
  background-color: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.diff-kind-merged {
  background-color: rgba(168, 85, 247, 0.15);
  color: #a855f7;
  border: 1px solid rgba(168, 85, 247, 0.35);
}

.diff-field-operator {
  font-weight: 600;
  color: var(--text-primary, #e2e8f0);
}

.diff-field-operator-values {
  margin-bottom: var(--space-1);
}

.diff-line-prefix {
  display: inline-block;
  width: 1.25ch;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-weight: 700;
  line-height: 1;
}

.diff-prefix-del {
  color: var(--color-danger, #ef4444);
}

.diff-prefix-add {
  color: var(--color-success, #10b981);
}

.revision-tree-diff-side.revision-diff-side-del {
  background-color: rgba(239, 68, 68, 0.07);
  border-radius: 4px;
  padding: 2px 6px;
}

.revision-tree-diff-side.revision-diff-side-add {
  background-color: rgba(16, 185, 129, 0.07);
  border-radius: 4px;
  padding: 2px 6px;
}

.diff-inline-del {
  background-color: rgba(239, 68, 68, 0.24);
  color: inherit;
  text-decoration: line-through;
  border-radius: 2px;
  padding: 0 2px;
}

.diff-inline-ins {
  background-color: rgba(16, 185, 129, 0.24);
  color: inherit;
  text-decoration: none;
  border-radius: 2px;
  padding: 0 2px;
}

.revision-tree-diff-side-label {
  color: var(--text-secondary, #94a3b8);
  font-size: 0.76rem;
}

.revision-tree-diff-value,
.revision-tree-diff-detail-text,
.revision-tree-diff-truncated,
.revision-tree-diff-loading,
.revision-tree-diff-error {
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
  unicode-bidi: plaintext;
}

.revision-tree-diff-more-text {
  grid-column: 2;
  justify-self: start;
  max-width: 100%;
  white-space: normal;
  text-align: start;
}

.revision-tree-diff-detail-text {
  grid-column: 2;
  white-space: pre-wrap;
}

.revision-tree-diff-technical {
  margin-top: var(--space-2);
  font-size: 0.78rem;
  overflow-wrap: anywhere;
}

.revision-tree-diff-additional {
  margin-top: var(--space-2);
}

.revision-tree-diff-additional > summary {
  min-height: 2.25rem;
  display: flex;
  align-items: center;
  cursor: pointer;
  color: var(--text-secondary, #94a3b8);
}

.revision-tree-diff-additional .revision-tree-diff-fields {
  margin-top: var(--space-2);
}

.revision-tree-diff-technical > summary {
  cursor: pointer;
  min-height: 2rem;
  display: flex;
  align-items: center;
}

.revision-tree-diff-technical-facts {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: var(--space-1) var(--space-2);
  margin: var(--space-2) 0;
}

.revision-tree-diff-technical-facts dt {
  color: var(--text-secondary, #94a3b8);
}

.revision-tree-diff-technical-facts dd {
  margin: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.revision-tree-diff-raw-fields {
  max-width: 100%;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.revision-tree-preview-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.revision-tree-status {
  min-height: 1.25rem;
  margin: var(--space-2) 0 0;
  font-size: 0.8rem;
  color: var(--text-secondary, #94a3b8);
}

@media (max-width: 900px) {
  .revision-tree-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .revision-tree-outline-wrap,
  .revision-tree-preview {
    max-height: 24rem;
  }
}

@media (max-width: 640px) {
  .revision-tree-panel {
    padding: 0.75rem;
  }

  .revision-tree-controls {
    width: 100%;
  }

  .revision-tree-search {
    min-width: 100%;
  }

  .revision-tree-controls .btn {
    min-height: 44px;
    min-width: 44px;
  }

  .revision-tree-line {
    min-height: 44px;
    flex-wrap: wrap;
  }

  .revision-tree-summary {
    flex-basis: 100%;
    order: 5;
    white-space: normal;
  }

  .revision-tree-preview-actions .btn {
    min-height: 44px;
  }

  .revision-tree-diff-fields {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-1);
  }

  .revision-tree-diff-side {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.1rem;
    padding-inline-start: var(--space-2);
  }

  .revision-tree-diff-more-text,
  .revision-tree-diff-detail-text {
    grid-column: 1;
  }
}


.revision-tree-lane {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2);
  margin-bottom: var(--space-2);
  border-bottom: 1px solid var(--border-subtle, rgba(148, 163, 184, 0.2));
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
}

.revision-tree-lane-node {
  flex: 0 0 auto;
  border: 1px solid var(--border-subtle, rgba(148, 163, 184, 0.28));
  border-radius: 999px;
  background: transparent;
  color: inherit;
  font-size: 0.7rem;
  padding: 0.1rem 0.5rem;
  cursor: pointer;
  max-width: 12rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.revision-tree-lane-node.is-selected,
.revision-tree-lane-node[aria-current="true"] {
  border-color: var(--accent, #38bdf8);
  background: rgba(56, 189, 248, 0.16);
}

.revision-tree-lane-sep,
.revision-tree-lane-gap {
  color: var(--text-secondary, #94a3b8);
  font-size: 0.7rem;
}

/* === END P15 REVISION TREE ================================================ */

/* --- P16: aligned difference map and exact-interval A/B ------------------- */
.audio-difference-panel {
  margin: 0 0 var(--space-4);
  overflow-wrap: anywhere;
}

.audio-difference-heading-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  cursor: pointer;
  list-style: none;
}

.audio-difference-heading-row::-webkit-details-marker {
  display: none;
}

.audio-difference-heading-text {
  display: grid;
  gap: var(--space-1);
  min-width: 0;
}

.audio-difference-heading-title {
  font-weight: 700;
  color: var(--text-primary);
}

.audio-difference-heading-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex: 0 0 auto;
}

.audio-difference-panel[open] .audio-difference-disclosure {
  transform: rotate(90deg);
}

.audio-difference-body {
  display: grid;
  gap: var(--space-3);
  margin-top: 0;
  min-width: 0;
}

.audio-difference-help,
.audio-difference-status,
.audio-difference-empty,
.audio-difference-playhead,
.audio-difference-provenance-grid dd,
.audio-difference-limits {
  color: var(--text-secondary);
  line-height: 1.45;
}

.audio-difference-status,
.audio-difference-stale,
.audio-difference-ab-status {
  margin: 0;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  background: var(--surface-muted, rgba(148, 163, 184, 0.12));
}

.audio-difference-stale {
  border-color: var(--warning, #f59e0b);
  color: var(--text-primary);
}

.audio-difference-panel.is-stale .audio-difference-ab,
.audio-difference-panel.is-stale .audio-difference-notes {
  opacity: 0.72;
}

.audio-difference-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: var(--gap-element);
  align-items: start;
}

.audio-difference-map,
.audio-difference-ab,
.audio-difference-notes {
  min-width: 0;
  padding: 0.8rem;
  border: 1px solid var(--border-color);
  border-radius: 0.65rem;
  background: var(--surface-raised, transparent);
}

.audio-difference-map-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.audio-difference-map-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-left: auto;
}

.audio-difference-map-head h4,
.audio-difference-ab h4,
.audio-difference-notes h4 {
  margin: 0;
  flex: 1 1 12rem;
}

.audio-difference-filter-label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--text-secondary);
}

.audio-difference-filter-label .form-control {
  width: auto;
  min-height: 2.5rem;
}

.audio-difference-candidates {
  list-style: none;
  margin: var(--space-2) 0;
  padding: 0;
  display: grid;
  gap: var(--space-1);
  max-height: 20rem;
  overflow-y: auto;
}

.audio-difference-candidate {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-1) var(--space-2);
  width: 100%;
  min-height: 2.75rem;
  padding: 0.55rem 0.65rem;
  text-align: start;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  background: transparent;
  cursor: pointer;
}

.audio-difference-candidate:hover,
.audio-difference-candidate:focus-visible {
  border-color: var(--border-focus);
}

.audio-difference-candidate[aria-pressed="true"] {
  border-color: var(--border-focus);
  background: var(--surface-muted, rgba(56, 189, 248, 0.14));
}

.audio-difference-candidate-title {
  font-weight: 600;
}

.audio-difference-candidate-meta {
  grid-column: 1 / -1;
  color: var(--text-secondary);
  font-size: 0.82rem;
}

.audio-difference-reason {
  display: inline-block;
  margin-inline-end: 0.25rem;
  padding: 0.05rem 0.4rem;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.audio-difference-reason[data-severity="high"] {
  border-color: var(--danger, #ef4444);
  color: var(--danger, #ef4444);
}

.audio-difference-reason[data-severity="review"] {
  border-color: var(--warning, #f59e0b);
  color: var(--warning, #f59e0b);
}

.audio-difference-region-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin: var(--space-3) 0;
}

.audio-difference-ranked-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 0.5rem 0.75rem;
  background: var(--surface-raised, transparent);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  box-sizing: border-box;
}

.audio-difference-ranked-card.selected {
  border-color: var(--border-focus, #38bdf8);
  background: var(--surface-muted, rgba(56, 189, 248, 0.14));
}

.audio-difference-ranked-info {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  min-width: 0;
}

.audio-difference-rank-badge {
  font-weight: 700;
  font-size: 0.8rem;
}

.audio-difference-ranked-time {
  font-family: var(--font-mono, monospace);
  font-size: 0.82rem;
  color: var(--text-primary);
}

.badge-change,
.badge-accent {
  background: rgba(245, 158, 11, 0.2);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.4);
  font-weight: 600;
}

.badge-reason {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
  text-transform: uppercase;
  font-size: 0.72rem;
}

.audio-difference-region-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--surface-muted, rgba(56, 189, 248, 0.08));
  margin: var(--space-2) 0;
  box-sizing: border-box;
}

.audio-difference-region-position {
  font-size: 0.85rem;
  font-weight: 650;
  color: var(--text-primary);
}

.audio-difference-region-nav-buttons {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.audio-difference-ranked-actions {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.audio-difference-candidate-nav,
.audio-difference-interval-actions,
.audio-difference-actions,
.audio-difference-transport,
.audio-difference-note-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.audio-difference-interval {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
  margin: var(--space-3) 0;
}

.audio-difference-interval label {
  display: grid;
  gap: var(--space-1);
  color: var(--text-secondary);
  min-width: 0;
}

.audio-difference-interval-actions {
  grid-column: 1 / -1;
}

.audio-difference-level {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2) var(--gap-element);
  margin: var(--space-3) 0;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  min-width: 0;
}

.audio-difference-level legend {
  padding-inline: 0.3rem;
  color: var(--text-secondary);
}

.audio-difference-level label,
.audio-difference-repeat {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.audio-difference-transport .btn,
.audio-difference-actions .btn,
.audio-difference-candidate-nav .btn,
.audio-difference-note-actions .btn {
  min-height: 2.75rem;
}

.audio-difference-playhead {
  margin: var(--space-2) 0 0;
  font-variant-numeric: tabular-nums;
}

.audio-difference-notes {
  display: grid;
  gap: var(--space-2);
}

.audio-difference-notes textarea {
  resize: vertical;
  min-height: 3.25rem;
}

.audio-difference-provenance {
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 0.55rem 0.7rem;
}

.audio-difference-provenance > summary {
  cursor: pointer;
  color: var(--text-secondary);
}

.audio-difference-provenance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
  gap: var(--space-2) var(--space-3);
  margin: var(--space-2) 0;
}

.audio-difference-provenance-grid dt {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.audio-difference-provenance-grid dd {
  margin: 0.1rem 0 0;
  font-family: var(--font-mono, ui-monospace, SFMono-Regular, Menlo, monospace);
  font-size: 0.78rem;
}

.audio-difference-limits {
  margin: 0;
  padding-inline-start: 1.1rem;
  font-size: 0.82rem;
}

@media (max-width: 900px) {
  .audio-difference-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 480px) {
  .audio-difference-interval {
    grid-template-columns: minmax(0, 1fr);
  }

  .audio-difference-candidate {
    grid-template-columns: minmax(0, 1fr);
  }

  .audio-difference-heading-row {
    flex-wrap: wrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .audio-difference-disclosure {
    transition: none !important;
  }
}

.audio-difference-map-strip {
  position: relative;
  min-height: 2.75rem;
  margin: var(--space-2) 0 0;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  background: var(--surface-muted, rgba(148, 163, 184, 0.12));
  overflow: hidden;
}

.audio-difference-map-baseline {
  position: absolute;
  inset: 45% 0 auto;
  height: 10%;
  background: var(--border-color);
}

.audio-difference-map-markers {
  position: absolute;
  inset: 0;
}

.audio-difference-map-marker {
  position: absolute;
  top: 20%;
  bottom: 20%;
  min-width: 3px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 3px;
  background: var(--warning, #f59e0b);
  cursor: pointer;
}

.audio-difference-map-marker[data-severity="high"] {
  background: var(--danger, #ef4444);
}

.audio-difference-map-marker[data-severity="info"] {
  background: var(--accent, #0284c7);
}

.audio-difference-map-marker[aria-pressed="true"] {
  outline: 2px solid var(--text-primary);
  outline-offset: 1px;
}

/* The P15/P16 component blocks size their controls in rem; on pages with a
   smaller root font size that computes below the 44px touch-target contract.
   Restate the contract for these controls inside the same mobile/touch scope. */
@media (max-width: 640px), (pointer: coarse) {
  .audio-difference-transport .btn,
  .audio-difference-actions .btn,
  .audio-difference-candidate-nav .btn,
  .audio-difference-note-actions .btn,
  .audio-difference-filter-label .form-control,
  .revision-tree-search .form-control {
    min-height: 44px;
  }
}

/* === COLLECTIONS ==========================================================
   Inventory plus member detail. Divergence is a warning state, never a silent
   difference: the pinned snapshot and the current head are both printed. */
.collections-intro-card {
  margin-bottom: 1rem;
}

.collections-header {
  gap: 1rem;
}

.collections-intro-copy {
  max-width: 62ch;
}

.collections-actions {
  flex-wrap: wrap;
}

.collections-unavailable {
  margin: 0;
  padding: 0.75rem 1rem;
  border-left: 3px solid var(--warning);
  background-color: var(--bg-surface);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
}

.collections-workspace {
  display: grid;
  grid-template-columns: minmax(240px, 320px) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

@media (max-width: 900px) {
  .collections-workspace {
    grid-template-columns: minmax(0, 1fr);
  }
}

.collections-inventory {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: sticky;
  top: 1rem;
}

.collections-section-title {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.collections-count {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.collections-empty {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.collections-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.collection-list-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  width: 100%;
  text-align: left;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-input);
  color: var(--text-primary);
  cursor: pointer;
  font: inherit;
}

.collection-list-item:hover {
  border-color: var(--border-hover);
  background: var(--bg-surface-elevated);
}

.collection-list-item.active {
  border-color: var(--primary);
  box-shadow: inset 3px 0 0 var(--primary);
}

.collection-list-name {
  font-weight: 700;
}

.collection-list-counts,
.collection-list-description,
.collection-list-updated {
  font-size: 0.8rem;
  color: var(--text-secondary);
  overflow-wrap: anywhere;
}

.collections-detail-host {
  min-width: 0;
}

.collections-detail-empty {
  margin: 0;
  color: var(--text-secondary);
}

.collections-detail {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.collections-detail-header {
  align-items: flex-start;
  flex-wrap: wrap;
}

.collections-description {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.collections-status {
  min-height: 1.2em;
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.collections-members-section,
.collections-add-section,
.collections-exports-section {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-color);
}

.collection-members {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.collection-member-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.collection-member-group-title {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.collection-member {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.7rem 0.8rem;
  background: var(--bg-input);
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.collection-member-diverged {
  border-color: var(--warning);
  box-shadow: inset 3px 0 0 var(--warning);
}

.collection-member-missing {
  border-color: var(--danger);
  box-shadow: inset 3px 0 0 var(--danger);
}

.collection-member-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.collection-member-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.collection-member-type,
.collection-member-flag,
.collection-member-current {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.12rem 0.45rem;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.collection-member-flag {
  border-color: var(--warning);
  color: var(--warning);
}

.collection-member-current {
  border-color: var(--success);
  color: var(--success);
}

.collection-member-facts {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 0.15rem 0.75rem;
  margin: 0;
  font-size: 0.82rem;
}

.collection-member-facts dt {
  color: var(--text-secondary);
}

.collection-member-facts dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.collection-member-detail {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.collection-member-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.collection-member-position {
  color: var(--text-secondary);
}

.collections-add-row {
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.6rem;
}

.collections-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  min-width: 10rem;
  flex: 1 1 12rem;
}

.collections-bookmark-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.75rem;
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
}

.collections-subsection-title {
  margin: 0;
  font-size: 0.9rem;
}

.collections-help {
  margin: 0;
  font-size: 0.82rem;
}

.collection-exports-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.collection-export {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-input);
}

.collection-export-head {
  display: flex;
  gap: 0.6rem;
  align-items: baseline;
  flex-wrap: wrap;
}

.collection-export-identity {
  font-family: var(--font-mono, monospace);
  font-size: 0.85rem;
}

.collection-export-count,
.collection-export-meta {
  font-size: 0.8rem;
  color: var(--text-secondary);
  overflow-wrap: anywhere;
}

.collection-export-meta {
  margin: 0;
  flex: 1 1 100%;
}

.collection-dialog {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg, 12px);
  background: var(--bg-surface);
  color: var(--text-primary);
  padding: 1.25rem;
  width: min(32rem, calc(100vw - 2rem));
}

.collection-dialog::backdrop {
  background: rgba(2, 6, 23, 0.6);
}

.collection-dialog form {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.collections-dialog-actions {
  justify-content: flex-end;
}

.btn-danger {
  background: var(--danger);
  border-color: var(--danger);
  color: #ffffff;
}

.btn-danger:hover {
  background: var(--danger-hover);
  border-color: var(--danger-hover);
}

.btn-danger:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

#collection-form-error {
  margin: 0;
  color: var(--danger);
  font-size: 0.85rem;
}

@media (max-width: 640px), (pointer: coarse) {
  .collections-actions .btn,
  .collections-add-row .btn,
  .collections-dialog-actions .btn,
  .collection-member-actions .btn,
  #collections-refresh,
  #collections-more {
    min-height: 44px;
  }
}

/* Bookmarks & Annotations Manager Panel (Task 5.1) */
.annotations-manager-panel {
  margin: var(--space-3) 0;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface);
}

.annotations-manager-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--border-color);
}

.annotations-manager-header-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.annotations-manager-header-title h3 {
  margin: 0;
  font-size: 1rem;
}

.annotations-manager-body {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.annotations-manager-controls {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: flex-end;
}

.annotations-manager-controls .form-group {
  margin-bottom: 0;
}

.annotations-category-manager {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: var(--space-2);
  background: var(--bg-canvas);
}

.annotations-category-manager summary {
  cursor: pointer;
  font-weight: 500;
  font-size: 0.85rem;
  user-select: none;
}

.annotations-category-manager-body {
  margin-top: var(--space-2);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.annotations-category-manager-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.annotations-category-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
}

.annotations-category-chip-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.annotations-category-create-row {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

.annotations-manager-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-height: 400px;
  overflow-y: auto;
}

.annotation-manager-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  gap: var(--space-2);
}

.annotation-manager-row:hover {
  background-color: var(--bg-subtle, rgba(0, 0, 0, 0.02));
}

.annotation-row-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.annotation-row-seek {
  font-family: monospace;
  font-size: 0.85rem;
  padding: 0;
  text-decoration: underline;
  cursor: pointer;
}

.annotation-row-note {
  flex-grow: 1;
  font-size: 0.875rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.annotation-row-actions {
  display: flex;
  gap: var(--space-1);
  flex-shrink: 0;
}

.annotations-restore-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-sm);
  background-color: var(--bg-subtle, #f8fafc);
  font-size: 0.875rem;
}

.annotation-manager-row--inactive {
  opacity: 0.65;
  background-color: var(--bg-muted, rgba(0, 0, 0, 0.03));
}

/* === Recording Organizational Properties, Format Metadata & Multi-File Linking === */
.recording-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1) var(--space-2);
  margin-top: var(--space-1);
}

.recording-formats,
.recording-tags-pills {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
}

.files-count-badge {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.format-pill {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
}

.recording-datetime-badge {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 500;
  background-color: rgba(2, 132, 199, 0.14);
  border: 1px solid rgba(56, 189, 248, 0.35);
  color: var(--text-primary);
}

.recording-notes-preview {
  max-width: 28rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.modal-dialog.modal-dialog-lg {
  width: min(860px, calc(100vw - 2rem));
  max-width: min(860px, calc(100vw - 2rem));
  max-height: calc(100vh - 2rem);
  overflow-y: auto;
}

.recording-details-body {
  min-width: 0;
}

.recording-props-section,
.recording-files-section,
.file-metadata-panel {
  padding: var(--space-3);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface);
  min-width: 0;
}

.recording-props-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3) var(--space-4);
  align-items: start;
  min-width: 0;
}

.recording-props-grid-secondary {
  padding-top: var(--space-2);
}

.recording-props-grid .form-group,
.recording-props-section .form-group,
.file-metadata-panel .form-group {
  margin-bottom: 0;
  min-width: 0;
}

.recording-datetime-input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-2);
  align-items: center;
  min-width: 0;
  width: 100%;
}

.recording-datetime-input-row .form-control,
#rec-prop-recorded-at {
  min-width: 0;
  width: 100%;
  max-width: 100%;
}

.recording-subdetails {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface-elevated);
  padding: var(--space-2) var(--space-3);
  min-width: 0;
}

.recording-subdetails-summary,
.file-metadata-summary-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  cursor: pointer;
  user-select: none;
  list-style: none;
  min-width: 0;
}

.file-metadata-summary-title-group {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
}

.file-metadata-summary-title-group .card-subtitle {
  margin: 0;
}

.recording-subdetails-summary::-webkit-details-marker,
.file-metadata-summary-header::-webkit-details-marker {
  display: none;
}

.recording-subdetails-title::before,
.file-metadata-summary-title-group .card-subtitle::before {
  content: '▸ ';
  display: inline-block;
  color: var(--text-secondary);
  margin-right: 0.25rem;
}

.recording-subdetails[open] > .recording-subdetails-summary .recording-subdetails-title::before,
.file-metadata-panel[open] > .file-metadata-summary-header .file-metadata-summary-title-group .card-subtitle::before {
  content: '▾ ';
}

.recording-subdetails-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.recording-subdetails-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-pill);
  padding: 1px 8px;
  max-width: 24rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.recording-files-table-head,
.recording-file-summary-row {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) 12.75rem minmax(0, 1.35fr) 9rem;
  gap: var(--space-3);
  align-items: center;
  min-width: 0;
}

.recording-files-table-head {
  padding: 0 var(--space-3) var(--space-1);
  border-left: 1px solid transparent;
  border-right: 1px solid transparent;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--space-2);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.recording-files-head-actions {
  text-align: left;
}

.recording-files-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
}

.recording-file-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface-elevated);
  min-width: 0;
}

.recording-file-card.is-primary {
  border-color: var(--primary);
  box-shadow: inset 3px 0 0 var(--primary);
}

.recording-file-card.is-selected-metadata {
  outline: 1px solid rgba(37, 99, 235, 0.45);
}

.file-col-identity {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.file-card-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.file-card-subline,
.file-link-reason-tag {
  font-size: 0.74rem;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-col-badges {
  display: grid;
  grid-template-columns: 2.55rem 3.35rem minmax(0, 1fr);
  gap: 0.25rem;
  align-items: center;
  min-width: 0;
}

.file-badge-pill,
.file-format-pill,
.file-lossless-pill,
.file-role-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  height: 1.25rem;
  padding: 0 5px;
  font-size: 0.67rem;
  line-height: 1;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-format-pill {
  width: 100%;
  letter-spacing: 0.02em;
}

.file-lossless-pill {
  width: 100%;
  text-transform: none;
  letter-spacing: 0;
}

.file-role-group {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  min-width: 0;
}

.file-role-pill {
  text-transform: none;
  letter-spacing: 0;
  flex-shrink: 0;
}

.badge-primary-file {
  background-color: rgba(37, 99, 235, 0.22);
  border: 1px solid var(--primary);
  color: var(--text-primary);
  font-weight: 700;
}

.badge-role-secondary,
.badge-secondary-file {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-weight: 500;
}

.file-set-primary-btn {
  height: 1.25rem;
  min-height: 1.25rem;
  padding: 0 6px;
  font-size: 0.66rem;
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(59, 130, 246, 0.45);
  background-color: rgba(37, 99, 235, 0.14);
  color: #93c5fd;
  white-space: nowrap;
  flex-shrink: 0;
}

.file-set-primary-btn:is(:hover, .is-hover):not(:disabled, [aria-disabled='true']) {
  background-color: rgba(37, 99, 235, 0.28);
  border-color: var(--primary);
  color: #ffffff;
}

.badge-lossless {
  background-color: rgba(16, 185, 129, 0.16);
  border: 1px solid rgba(16, 185, 129, 0.45);
  color: var(--text-primary);
}

.badge-lossy {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.file-col-specs {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  font-variant-numeric: tabular-nums;
}

.file-specs-primary,
.file-specs-main {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-specs-secondary,
.file-specs-sub {
  font-size: 0.73rem;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-col-actions {
  display: grid;
  grid-template-columns: 3.9rem 4.75rem;
  gap: 0.35rem;
  align-items: center;
  justify-content: end;
  min-width: 0;
}

.file-action-btn {
  height: 1.65rem;
  min-height: 1.65rem;
  padding: 0 0.4rem;
  font-size: 0.74rem;
  line-height: 1;
  white-space: nowrap;
  flex-shrink: 0;
  width: 100%;
}

.file-tech-drawer {
  padding-top: var(--space-2);
  border-top: 1px dashed var(--border-color);
  min-width: 0;
}

.file-tech-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-2) var(--space-3);
  margin: 0;
  min-width: 0;
}

.file-tech-kv {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  min-width: 0;
}

.file-tech-kv dt {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  margin: 0;
}

.file-tech-kv dd {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.recording-manual-link-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-2);
  padding-top: var(--space-2);
  min-width: 0;
}

.recording-manual-link-row .form-label,
.recording-manual-link-row .btn {
  margin: 0;
  white-space: nowrap;
}

.recording-manual-link-row .form-control {
  width: 100%;
  min-width: 0;
}

.file-metadata-body {
  padding-top: var(--space-2);
  border-top: 1px solid var(--border-color);
  min-width: 0;
}

.file-embedded-metadata-summary {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-input);
  min-width: 0;
}

.embedded-tags-header {
  font-weight: 600;
}

.embedded-tags-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
  gap: var(--space-1) var(--space-2);
  min-width: 0;
}

.embedded-tag-item {
  display: grid;
  grid-template-columns: minmax(3.5rem, auto) minmax(0, 1fr);
  align-items: baseline;
  gap: var(--space-1);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  font-size: 0.76rem;
  min-width: 0;
}

.embedded-tag-key {
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-size: 0.68rem;
  letter-spacing: 0.02em;
}

.embedded-tag-val {
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 720px) {
  .recording-props-grid {
    grid-template-columns: 1fr;
  }
  .recording-files-table-head {
    display: none;
  }
  .recording-file-summary-row {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
  .file-col-actions {
    justify-content: flex-start;
    flex-wrap: wrap;
  }
  .file-tech-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px), (pointer: coarse) {
  #rename-recording-btn,
  .review-header #rename-recording-btn,
  #review-recording-properties-btn,
  .review-header #review-recording-properties-btn {
    width: 44px;
    min-width: 44px;
    height: 44px;
    min-height: 44px;
  }
  .review-title-edit-group {
    height: auto;
    min-height: 44px;
  }
  .recording-manual-link-row {
    grid-template-columns: 1fr;
  }
}