/* ============================================================================
   TRANSCRIPT STYLE - Digital Humanities (Enhanced)
   Optimized for archival clarity, multilingual content, and scholarly annotation
   Version 2.0 - Enhanced with sophisticated typography and interactive features
   ============================================================================ */

:root {
  /* Enhanced Color Palette */
  --transcript-bg: #fefefe;
  --transcript-text: #1a202c;
  --transcript-meta: #4a5568;
  --transcript-accent: #2b4a6f;
  --transcript-accent-light: #e8f0f8;
  --transcript-border: #e2e8f0;
  --transcript-highlight: #fff9e6;
  --transcript-speaker: #2c5282;
  --transcript-interviewer: #2d3748;
  --transcript-note: #718096;
  --transcript-shadow: rgba(0, 0, 0, 0.08);
  --transcript-radius: 12px;
  --transcript-font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transcript-font-serif: 'Playfair Display', 'Merriweather', Georgia, serif;
  --transcript-font-mono: 'IBM Plex Mono', 'JetBrains Mono', monospace;
  --transcript-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transcript-line-height: 1.9;
  --transcript-max-width: 1000px;
  --transcript-gutter: 2.5rem;
  
  /* Decorative elements */
  --transcript-ornament: #a3c1e2;
  --transcript-separator: url("data:image/svg+xml,%3Csvg width='20' height='8' viewBox='0 0 20 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='4' cy='4' r='1.5' fill='%23a3c1e2'/%3E%3Ccircle cx='10' cy='4' r='1.5' fill='%23a3c1e2'/%3E%3Ccircle cx='16' cy='4' r='1.5' fill='%23a3c1e2'/%3E%3C/svg%3E");
}

/* Dark theme for research environments */
[data-theme="dark"] {
  --transcript-bg: #121212;
  --transcript-text: #f5f5f5;
  --transcript-meta: #cbd5e0;
  --transcript-accent: #63b3ed;
  --transcript-accent-light: rgba(99, 179, 237, 0.15);
  --transcript-border: #4a5568;
  --transcript-highlight: #2d3748;
  --transcript-speaker: #90cdf4;
  --transcript-interviewer: #e2e8f0;
  --transcript-note: #a0aec0;
  --transcript-shadow: rgba(0, 0, 0, 0.3);
  --transcript-ornament: #3182ce;
}

/* ===== Base & Typography ===== */
.transcript-page {
  max-width: var(--transcript-max-width);
  margin: 0 auto;
  padding: 4rem 1.5rem;
  background: var(--transcript-bg);
  min-height: 100vh;
  font-family: var(--transcript-font-main);
  color: var(--transcript-text);
  line-height: var(--transcript-line-height);
  transition: var(--transcript-transition);
  position: relative;
}

/* Decorative top border */
.transcript-page::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--transcript-accent) 0%, var(--transcript-ornament) 100%);
}

.transcript-header {
  text-align: center;
  margin-bottom: 3.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--transcript-border);
  position: relative;
}

/* Ornamental separator */
.transcript-header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 2px;
  background: var(--transcript-ornament);
}

.transcript-title {
  font-family: var(--transcript-font-serif);
  font-size: clamp(2.25rem, 5vw, 3rem);
  color: var(--transcript-accent);
  margin-bottom: 1.25rem;
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
  position: relative;
  display: inline-block;
}

.transcript-title::after {
  content: var(--transcript-separator);
  position: absolute;
  bottom: -1.25rem;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0.7;
}

.transcript-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  margin: 2.5rem 0;
  padding: 1.5rem;
  background: var(--transcript-accent-light);
  border-radius: var(--transcript-radius);
  border: 1px solid var(--transcript-border);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--transcript-meta);
  padding: 0.5rem 1rem;
  background: var(--transcript-bg);
  border-radius: 8px;
  border: 1px solid var(--transcript-border);
}

.meta-item i {
  color: var(--transcript-accent);
  font-size: 1.2em;
  opacity: 0.9;
}

/* ===== Transcript Content ===== */
.transcript-content {
  font-size: 1.125rem;
  line-height: var(--transcript-line-height);
  color: var(--transcript-text);
  position: relative;
}

/* Timeline indicator */
.transcript-content::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, 
    transparent 0%, 
    var(--transcript-ornament) 10%, 
    var(--transcript-ornament) 90%, 
    transparent 100%);
  opacity: 0.3;
}

.interview-block {
  margin-bottom: 3rem;
  padding: 2rem;
  background: var(--transcript-bg);
  border-radius: var(--transcript-radius);
  border: 1px solid var(--transcript-border);
  box-shadow: 0 4px 12px var(--transcript-shadow);
  transition: var(--transcript-transition);
  position: relative;
  overflow: hidden;
}

.interview-block:hover {
  box-shadow: 0 8px 24px var(--transcript-shadow);
  transform: translateY(-3px);
  border-color: var(--transcript-accent);
}

.interview-block::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(to bottom, var(--transcript-accent), var(--transcript-ornament));
  border-radius: var(--transcript-radius) 0 0 var(--transcript-radius);
}

.speaker {
  font-family: var(--transcript-font-serif);
  font-weight: 600;
  color: var(--transcript-speaker);
  margin-bottom: 1.25rem;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--transcript-border);
}

.speaker::before {
  content: '';
  width: 14px;
  height: 14px;
  background: var(--transcript-accent);
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 0 4px var(--transcript-accent-light);
}

.interviewer {
  color: var(--transcript-interviewer);
  font-weight: 500;
  font-style: italic;
}

.dialogue {
  margin-left: 1.75rem;
  position: relative;
  padding-left: 1rem;
}

.dialogue::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, 
    transparent, 
    var(--transcript-ornament), 
    transparent);
}

.dialogue p {
  margin-bottom: 1.5rem;
  position: relative;
  padding-left: 1em;
}

/* Scholarly indentation with hanging punctuation */
.dialogue p::before {
  content: "»";
  position: absolute;
  left: 0;
  color: var(--transcript-ornament);
  opacity: 0.6;
}

.timestamp {
  display: inline-block;
  background: var(--transcript-accent-light);
  padding: 0.35rem 0.85rem;
  border-radius: 16px;
  font-size: 0.85rem;
  font-family: var(--transcript-font-mono);
  margin-right: 0.75rem;
  cursor: pointer;
  border: 1px solid var(--transcript-border);
  transition: var(--transcript-transition);
  position: relative;
  overflow: hidden;
}

.timestamp:hover {
  background: var(--transcript-accent);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.timestamp::after {
  content: '▶';
  font-size: 0.7em;
  margin-left: 0.4rem;
  opacity: 0.7;
}

.highlight {
  background: var(--transcript-highlight);
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
  box-decoration-break: clone;
  position: relative;
  font-weight: 500;
}

.highlight::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--transcript-accent);
  opacity: 0.3;
}

/* ===== Notes & Annotations ===== */
.note {
  background: var(--transcript-highlight);
  padding: 1.75rem;
  margin: 3rem 0;
  border-radius: var(--transcript-radius);
  border: 1px solid var(--transcript-border);
  border-left: 4px solid var(--transcript-accent);
  font-size: 0.95rem;
  color: var(--transcript-note);
  position: relative;
}

.note::before {
  content: '📝';
  position: absolute;
  left: -0.5rem;
  top: -0.5rem;
  background: var(--transcript-bg);
  padding: 0.5rem;
  border-radius: 50%;
  font-size: 0.9rem;
  box-shadow: 0 2px 8px var(--transcript-shadow);
}

.note-title {
  font-weight: 600;
  color: var(--transcript-accent);
  margin-bottom: 0.75rem;
  font-family: var(--transcript-font-serif);
  font-size: 1.1rem;
}

/* ===== Footnotes ===== */
.footnotes {
  margin-top: 5rem;
  padding-top: 3rem;
  border-top: 1px solid var(--transcript-border);
  position: relative;
}

.footnotes::before {
  content: 'Note';
  position: absolute;
  top: -0.75rem;
  left: 0;
  background: var(--transcript-bg);
  padding: 0 1rem;
  color: var(--transcript-accent);
  font-family: var(--transcript-font-serif);
  font-weight: 600;
  font-size: 1.1rem;
}

.footnote {
  margin-bottom: 1.75rem;
  font-size: 0.95rem;
  color: var(--transcript-meta);
  padding-left: 1.5rem;
  border-left: 3px solid var(--transcript-border);
  transition: var(--transcript-transition);
}

.footnote:hover {
  border-left-color: var(--transcript-accent);
  padding-left: 2rem;
}

.footnote-reference {
  font-weight: 600;
  color: var(--transcript-accent);
  position: relative;
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  text-align: center;
  line-height: 1.5rem;
  background: var(--transcript-accent-light);
  border-radius: 50%;
  margin-right: 0.5rem;
}

/* ===== Controls & Interactive Elements ===== */
.transcript-controls {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 100;
}

.transcript-btn {
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--transcript-border);
  border-radius: 24px;
  background: var(--transcript-bg);
  color: var(--transcript-text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transcript-transition);
  text-decoration: none;
  box-shadow: 0 4px 12px var(--transcript-shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.transcript-btn:hover {
  background: var(--transcript-accent);
  color: white;
  border-color: var(--transcript-accent);
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 8px 24px var(--transcript-shadow);
}

.theme-toggle {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

/* Search highlight */
.search-highlight {
  background: #ffd700;
  color: #000;
  padding: 0.125rem 0.25rem;
  border-radius: 3px;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* ===== Responsive & Print ===== */
@media (max-width: 768px) {
  .transcript-page {
    padding: 2rem 1rem;
  }
  
  .transcript-title {
    font-size: 1.9rem;
  }
  
  .transcript-meta {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }
  
  .interview-block {
    padding: 1.5rem;
    margin-left: 0.5rem;
  }
  
  .dialogue {
    margin-left: 1rem;
  }
  
  .transcript-controls {
    bottom: 1rem;
    right: 1rem;
  }
}

@media (max-width: 480px) {
  .transcript-page {
    padding: 1.5rem 0.75rem;
  }
  
  .transcript-title {
    font-size: 1.7rem;
  }
  
  .interview-block {
    padding: 1.25rem;
  }
  
  .timestamp {
    display: block;
    margin-bottom: 0.5rem;
    width: fit-content;
  }
}

@media print {
  .transcript-page {
    padding: 0;
    box-shadow: none;
  }
  
  .transcript-page::before,
  .transcript-header::after,
  .transcript-title::after,
  .transcript-content::before,
  .interview-block::before,
  .dialogue::before,
  .note::before,
  .footnotes::before,
  .transcript-controls {
    display: none;
  }
  
  .interview-block {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid var(--transcript-border);
    border-left: 3px solid var(--transcript-accent);
  }
  
  .timestamp {
    background: none;
    border: none;
    padding: 0;
    margin-right: 0.25rem;
  }
  
  .transcript-btn {
    display: none;
  }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--transcript-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Selection color */
::selection {
  background: var(--transcript-accent);
  color: white;
}

::-moz-selection {
  background: var(--transcript-accent);
  color: white;
}



/* ═══════════════════════════════════════════════════════════════
   TRANSCRIPT AUDIO PLAYER (Wavesurfer)
   ═══════════════════════════════════════════════════════════════ */
:root {
  --tp-wave:     #c8d8f0;
  --tp-progress: #1f4068;
}
[data-theme="dark"] {
  --tp-wave:     #2a3a52;
  --tp-progress: #5d8fd4;
}

.tp-player {
  background: var(--transcript-accent-light, #e8f0f8);
  border: 1px solid var(--transcript-border, #e2e8f0);
  border-radius: 14px;
  padding: 1.1rem 1.4rem 1rem;
  margin: 1.8rem 0;
  position: relative;
}

.tp-label {
  font-size: .78em;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--transcript-accent, #2b4a6f);
  margin-bottom: .7rem;
  display: flex;
  align-items: center;
  gap: .4rem;
}

.tp-waveform { margin-bottom: .8rem; cursor: pointer; }

.tp-controls {
  display: flex;
  align-items: center;
  gap: .9rem;
}

.tp-btn {
  background: var(--transcript-accent, #2b4a6f);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: .95em;
  flex-shrink: 0;
  transition: background .18s, transform .18s;
}
.tp-btn:hover { background: #ff9800; transform: scale(1.08); }

.tp-speed {
  border-radius: 8px;
  width: auto;
  padding: 0 .7rem;
  font-size: .78em;
  font-weight: 700;
  background: rgba(31,64,104,.15);
  color: var(--transcript-accent, #2b4a6f);
}
.tp-speed:hover { background: #ff9800; color:#fff; }

.tp-time-wrap {
  display: flex;
  align-items: center;
  gap: .6rem;
  flex: 1;
  font-size: .78em;
  color: var(--transcript-meta, #4a5568);
  font-variant-numeric: tabular-nums;
}

.tp-progress-track {
  flex: 1;
  height: 4px;
  background: var(--transcript-border, #e2e8f0);
  border-radius: 2px;
  overflow: hidden;
}
.tp-progress-bar {
  height: 100%;
  background: var(--transcript-accent, #2b4a6f);
  border-radius: 2px;
  width: 0;
  transition: width .25s linear;
}

.tp-loading {
  font-size: .82em;
  color: #999;
  margin-top: .4rem;
  display: flex;
  align-items: center;
  gap: .4rem;
}

/* ═══════════════════════════════════════════════════════════════
   TRANSCRIPT SYNC — timestamp badges + segment highlighting
═══════════════════════════════════════════════════════════════ */
.ts-badge {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  font-size: .68rem;
  font-weight: 700;
  color: #1f4068;
  background: rgba(31,64,104,.08);
  border: 1px solid rgba(31,64,104,.2);
  border-radius: 10px;
  padding: .1rem .45rem;
  margin: .4rem 0 .1rem;
  cursor: pointer;
  transition: background .15s;
  font-variant-numeric: tabular-nums;
  font-family: monospace;
}
.ts-badge::before { content: '⏱ '; }
.ts-badge:hover { background: rgba(31,64,104,.18); }

.ts-segment { transition: background .3s, border-left .3s; border-left: 3px solid transparent; padding-left: .5rem; margin-left: -.5rem; border-radius: 4px; }
.ts-segment.ts-active { background: rgba(31,64,104,.07); border-left-color: #1f4068; }
.ts-segment.ts-past   { opacity: .55; }

/* ── Sidebar index ────────────────────────────────────────── */
.ts-index {
  background: rgba(31,64,104,.04);
  border: 1px solid rgba(31,64,104,.15);
  border-radius: 10px;
  padding: .8rem 1rem;
  margin-bottom: 1.5rem;
  font-size: .82rem;
}
.ts-index-title {
  font-weight: 700;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: #1f4068;
  margin-bottom: .6rem;
  display: flex;
  align-items: center;
  gap: .4rem;
}
.ts-index-btn {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  border-bottom: 1px solid rgba(0,0,0,.06);
  padding: .35rem .2rem;
  cursor: pointer;
  font-size: .78rem;
  color: #444;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: background .12s, color .12s;
  font-variant-numeric: tabular-nums;
}
.ts-index-btn:last-child { border-bottom: none; }
.ts-index-btn:hover { background: rgba(31,64,104,.08); color: #1f4068; }