/* Import modern web fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* Design System variables & themes */
:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Theme Defaults (Light mode) */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-hover: #e2e8f0;
  --border-color: #cbd5e1;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #64748b;
  --text-inverse: #ffffff;

  --accent-primary: #2563eb;
  --accent-primary-hover: #1d4ed8;
  --accent-secondary: #4f46e5;
  --accent-soft: rgba(37, 99, 235, 0.06);
  
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  
  --max-width-content: 820px;
  --max-width-layout: 1000px;

  /* Speaker Colors (Light theme) */
  --speaker-0-bg: #eff6ff;
  --speaker-0-text: #1e40af;
  --speaker-1-bg: #f5f3ff;
  --speaker-1-text: #5b21b6;
  --speaker-2-bg: #ecfdf5;
  --speaker-2-text: #065f46;
  --speaker-3-bg: #fff7ed;
  --speaker-3-text: #9a3412;
  --speaker-generic-bg: #f1f5f9;
  --speaker-generic-text: #334155;
}

/* Sepia Theme */
[data-theme="sepia"] {
  --bg-primary: #fcf8f2;
  --bg-secondary: #faf4eb;
  --bg-tertiary: #f4ede4;
  --bg-hover: #ebe0d0;
  --border-color: #cbd5e1;
  
  --text-primary: #433422;
  --text-secondary: #604e37;
  --text-tertiary: #7e6b52;
  
  --accent-primary: #b45309;
  --accent-primary-hover: #92400e;
  --accent-secondary: #c2410c;
  --accent-soft: rgba(180, 83, 9, 0.06);

  --speaker-0-bg: #fbf0db;
  --speaker-0-text: #78350f;
  --speaker-1-bg: #f8ebf5;
  --speaker-1-text: #701a75;
  --speaker-2-bg: #e6f4ea;
  --speaker-2-text: #137333;
  --speaker-3-bg: #fef3c7;
  --speaker-3-text: #92400e;
  --speaker-generic-bg: #f1ebd9;
  --speaker-generic-text: #5c4e3b;
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-primary: #090d16;
  --bg-secondary: #111827;
  --bg-tertiary: #1f2937;
  --bg-hover: #374151;
  --border-color: #1f2937;
  
  --text-primary: #f3f4f6;
  --text-secondary: #d1d5db;
  --text-tertiary: #9ca3af;
  
  --accent-primary: #3b82f6;
  --accent-primary-hover: #60a5fa;
  --accent-secondary: #6366f1;
  --accent-soft: rgba(59, 130, 246, 0.12);
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);

  --speaker-0-bg: rgba(59, 130, 246, 0.15);
  --speaker-0-text: #93c5fd;
  --speaker-1-bg: rgba(139, 92, 246, 0.15);
  --speaker-1-text: #c084fc;
  --speaker-2-bg: rgba(16, 185, 129, 0.15);
  --speaker-2-text: #6ee7b7;
  --speaker-3-bg: rgba(245, 158, 11, 0.15);
  --speaker-3-text: #fcd34d;
  --speaker-generic-bg: rgba(107, 114, 128, 0.15);
  --speaker-generic-text: #d1d5db;
}

/* Reset and base styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-primary-hover);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Icons */
.icon {
  display: inline-block;
  width: 1.25em;
  height: 1.25em;
  stroke-width: 0;
  stroke: currentColor;
  fill: currentColor;
  vertical-align: middle;
}

/* Layout Utilities */
.container {
  max-width: var(--max-width-layout);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Navbar / Header */
.site-header {
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

[data-theme="sepia"] .site-header {
  background-color: rgba(250, 244, 235, 0.8);
}

[data-theme="dark"] .site-header {
  background-color: rgba(17, 24, 39, 0.8);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-accent {
  color: var(--accent-primary);
}

/* Theme Controller Buttons */
.theme-selector {
  display: flex;
  gap: 0.25rem;
  background-color: var(--bg-tertiary);
  padding: 0.25rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
}

.theme-btn {
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.theme-btn.active {
  background-color: var(--bg-secondary);
  color: var(--accent-primary);
  box-shadow: var(--shadow-sm);
}

/* Dashboard Layout (Index page) */
.dashboard {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
  margin-bottom: 4rem;
}

@media (max-width: 968px) {
  .dashboard {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .sidebar {
    order: 2;
  }
  .main-panel {
    order: 1;
  }
}

/* Sidebar Styling */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sidebar-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.sidebar-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Years list filter */
.filter-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.filter-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: left;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.filter-btn.active {
  color: var(--accent-primary);
  font-weight: 600;
}

.count-badge {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background-color: var(--bg-tertiary);
  color: var(--text-tertiary);
  padding: 0.1rem 0.5rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.filter-btn:hover .count-badge, .filter-btn.active .count-badge {
  background-color: var(--bg-secondary);
  color: var(--accent-primary);
}

/* Stats panel */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.stat-item {
  background-color: var(--bg-tertiary);
  padding: 0.75rem;
  border-radius: var(--radius-md);
  text-align: center;
}

.stat-val {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent-primary);
}

.stat-lbl {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: 0.25rem;
}

/* Distribution Chart in Sidebar */
.year-chart {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  height: 80px;
  margin-top: 1rem;
  padding-top: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.chart-bar-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  height: 100%;
  justify-content: flex-end;
  cursor: pointer;
}

.chart-bar {
  width: 60%;
  background-color: var(--accent-soft);
  border-radius: 2px 2px 0 0;
  transition: height 0.5s ease, background-color var(--transition-fast);
  min-height: 2px;
}

.chart-bar-container:hover .chart-bar, .chart-bar-container.active .chart-bar {
  background-color: var(--accent-primary);
}

/* Main Dashboard Panel */
.main-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Homepage Archive Header */
.archive-header {
  margin-top: 1.5rem;
  margin-bottom: 1.75rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}
.archive-title-area {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 0.5rem;
}
.archive-header h1 {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.015em;
  margin: 0;
}
.archive-stats-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
}
.archive-stat-badge {
  background-color: var(--bg-tertiary);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}
.archive-stat-badge strong {
  color: var(--accent-primary);
  font-weight: 700;
}
.archive-stat-divider {
  color: var(--text-tertiary);
  opacity: 0.5;
}
.archive-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.45;
  margin: 0;
}
@media (max-width: 768px) {
  .archive-title-area {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  .archive-stats-row {
    gap: 0.35rem;
  }
  .archive-stat-divider {
    display: none;
  }
}

/* Search Controls */
.search-container {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

@media (max-width: 968px) {
  .search-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }
  .search-box-wrapper {
    grid-column: span 2;
  }
}

@media (max-width: 540px) {
  .search-container {
    grid-template-columns: 1fr;
  }
  .search-box-wrapper {
    grid-column: span 1;
  }
}

.search-box-wrapper {
  position: relative;
  flex: 1;
}

.search-input {
  width: 100%;
  height: 3.25rem;
  padding: 0 2.5rem 0 2.75rem;
  font-family: inherit;
  font-size: 1rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  outline: none;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.search-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-icon-svg {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
}

/* Search Clear Button */
.search-clear-btn {
  position: absolute;
  right: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1.5rem;
  height: 1.5rem;
  border-radius: var(--radius-full);
  background-color: var(--bg-tertiary);
  color: var(--text-tertiary);
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: bold;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.search-clear-btn:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
}

.select-control {
  height: 3.25rem;
  padding: 0 1.5rem 0 1rem;
  font-family: inherit;
  font-size: 0.9rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  outline: none;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

.select-control:focus {
  border-color: var(--accent-primary);
}

#duration-select {
  width: 130px;
}

#month-select {
  width: 90px;
}

#sort-select {
  width: 125px;
}

/* Layout View Toggle */
.layout-toggle-wrapper {
  display: flex;
  background-color: var(--bg-tertiary);
  padding: 0.2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  height: 3.25rem;
  align-items: center;
}
.layout-btn {
  height: 2.85rem;
  width: 2.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}
.layout-btn:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
}
.layout-btn.active {
  background-color: var(--bg-secondary);
  color: var(--accent-primary);
  box-shadow: var(--shadow-sm);
}
@media (max-width: 968px) {
  .layout-toggle-wrapper {
    grid-column: span 2;
    justify-content: center;
  }
}
@media (max-width: 540px) {
  .layout-toggle-wrapper {
    grid-column: span 1;
  }
}

/* Active Filters Display */
.active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.filter-tag {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.filter-tag-clear {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: var(--bg-tertiary);
  color: var(--text-tertiary);
  font-size: 10px;
  cursor: pointer;
}

.filter-tag-clear:hover {
  background-color: var(--text-tertiary);
  color: var(--bg-secondary);
}

/* Transcripts List/Grid */
.transcripts-list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: var(--text-tertiary);
}

.transcripts-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: opacity var(--transition-normal);
}

/* Compact Grid View Styles */
.transcripts-grid.grid-view-active {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.25rem;
}
.transcripts-grid.grid-view-active .transcript-card {
  grid-template-columns: 1fr;
  grid-template-rows: auto 1fr auto;
  gap: 0.75rem;
  height: 100%;
}
.transcripts-grid.grid-view-active .card-date-col {
  border-right: none;
  border-bottom: 1px solid var(--border-color);
  padding-right: 0;
  padding-bottom: 0.6rem;
  flex-direction: row;
  justify-content: flex-start;
  gap: 0.5rem;
  min-width: 0;
}
.transcripts-grid.grid-view-active .card-action-col {
  display: none;
}
.transcripts-grid.grid-view-active .card-snippet {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  white-space: normal; /* Override pre-line to prevent stretching cards */
}

.transcript-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.25rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
}

@media (max-width: 640px) {
  .transcript-card {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
}

.transcript-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-md);
}

.card-date-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 72px;
  border-right: 1px solid var(--border-color);
  padding-right: 1.25rem;
}

@media (max-width: 640px) {
  .card-date-col {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    padding-right: 0;
    padding-bottom: 0.5rem;
    flex-direction: row;
    justify-content: flex-start;
    gap: 0.5rem;
    min-width: 0;
  }
}

.date-day {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.date-month {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin-top: 0.25rem;
}

.date-year {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: 0.1rem;
}

.card-content-col {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.35rem;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}

.transcript-card:hover .card-title {
  color: var(--accent-primary);
}

.card-snippet {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-top: 0.35rem;
  margin-bottom: 0.5rem;
  white-space: pre-line;
}

.card-meta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.card-tag {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
}

.card-action-col {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
}

@media (max-width: 640px) {
  .card-action-col {
    display: none;
  }
}

.arrow-icon {
  width: 1.5rem;
  height: 1.5rem;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.transcript-card:hover .arrow-icon {
  transform: translateX(3px);
  color: var(--accent-primary);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.pagination-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  width: 100%;
}

.pagination-ellipsis {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 2.25rem;
  min-width: 1.5rem;
  color: var(--text-tertiary);
  font-weight: 500;
  user-select: none;
}

.page-btn {
  height: 2.25rem;
  min-width: 2.25rem;
  padding: 0 0.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.page-btn:hover:not(:disabled) {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.page-btn.active {
  background-color: var(--accent-primary);
  color: var(--text-inverse);
  border-color: var(--accent-primary);
}

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

/* No Results */
.no-results {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 4rem 2rem;
  text-align: center;
  color: var(--text-secondary);
  box-shadow: var(--shadow-sm);
}

.no-results-icon {
  font-size: 3rem;
  color: var(--text-tertiary);
  margin-bottom: 1rem;
}

.no-results-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

/* Transcript Reader Layout */
.reader-layout-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2rem;
  align-items: start;
  max-width: var(--max-width-layout);
  margin: 2rem auto 5rem auto;
}
@media (max-width: 1080px) {
  .reader-layout-grid {
    grid-template-columns: 1fr;
  }
  .reader-sidebar {
    display: none;
  }
}
.reader-main {
  max-width: var(--max-width-content);
  width: 100%;
  margin: 0 auto;
}
.reader-sidebar {
  position: sticky;
  top: 6.5rem;
  max-height: calc(100vh - 9rem);
  overflow-y: auto;
  padding-bottom: 2rem;
}
.sticky-sidebar-tldr {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-top: 4px solid var(--accent-primary);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.sticky-sidebar-tldr .tldr-header {
  margin-bottom: 0;
}
.sticky-sidebar-tldr .tldr-summary {
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: 0;
  white-space: pre-wrap;
}
.sticky-sidebar-tldr .tldr-ts-item {
  font-size: 0.8rem;
}
.reader-layout {
  max-width: var(--max-width-content);
  margin: 2rem auto 5rem auto;
}

/* Reading Progress Bar */
.reading-progress-bar {
  position: fixed;
  top: 4.5rem;
  left: 0;
  width: 0%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  z-index: 101;
  transition: width 0.1s ease-out;
}

/* Back button & Breadcrumbs */
.reader-nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.breadcrumbs {
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.breadcrumbs a {
  color: var(--text-tertiary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumbs a:hover {
  color: var(--accent-primary);
  text-decoration: underline;
}

.breadcrumbs .current-page {
  color: var(--text-primary);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 160px;
}

@media (min-width: 640px) {
  .breadcrumbs .current-page {
    max-width: 320px;
  }
}

@media (max-width: 768px) {
  .reader-nav {
    flex-wrap: wrap;
    gap: 0.75rem;
  }
  .reader-top-nav-arrows {
    position: static !important;
    transform: none !important;
    margin-left: auto;
  }
  .breadcrumbs {
    width: 100%;
    order: 3;
  }
}

.back-link {
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* Hero Section of Transcript */
.transcript-hero {
  margin-bottom: 2rem;
}

.transcript-meta-top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.year-badge {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  background-color: var(--accent-soft);
  color: var(--accent-primary);
}

.transcript-date-str {
  font-size: 1.15rem;
  color: var(--text-secondary);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.transcript-main-title {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.copy-title-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  padding: 0;
}

.copy-title-btn:hover {
  background-color: var(--bg-hover);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.copy-title-btn .icon {
  width: 1.2rem;
  height: 1.2rem;
}

@media (max-width: 640px) {
  .transcript-main-title {
    font-size: 1.75rem;
  }
}

.transcript-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.stat-pill {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* Sticky Settings Panel */
.reader-controls-bar {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 0.75rem 1.25rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 5rem;
  z-index: 90;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: all var(--transition-normal);
}

.control-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.control-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
}

.btn-group {
  display: flex;
  background-color: var(--bg-tertiary);
  padding: 0.2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.control-btn {
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.control-btn.active {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.control-select {
  font-family: inherit;
  font-size: 0.8rem;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.25rem 0.5rem;
  color: var(--text-secondary);
  outline: none;
  cursor: pointer;
}



/* Transcript Text Display */
.transcript-body {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  font-family: var(--font-sans);
}

/* Font Size Modifiers */
.font-size-sm { font-size: 0.95rem; }
.font-size-md { font-size: 1.05rem; }
.font-size-lg { font-size: 1.2rem; }
.font-size-xl { font-size: 1.35rem; }

/* Transcript Line Layout */
.transcript-line {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

@media (max-width: 640px) {
  .transcript-line {
    display: grid;
    grid-template-columns: auto auto;
    grid-template-areas: 
      "time speaker"
      "text text";
    gap: 0.25rem 0.75rem;
    padding: 0.75rem 0.5rem;
    border-bottom: 1px dashed var(--border-color);
  }
  .timestamp-col {
    grid-area: time;
    width: auto;
    padding-top: 0;
  }
  .speaker-col {
    grid-area: speaker;
    width: auto;
    padding-top: 0;
  }
  .text-col {
    grid-area: text;
    padding-top: 0.15rem;
  }
}

.transcript-line:hover {
  background-color: var(--bg-tertiary);
}

/* Timestamp Column */
.timestamp-col {
  width: 70px;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-tertiary);
  padding-top: 0.25rem;
}

.timestamp-link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dashed transparent;
  transition: all var(--transition-fast);
}

.timestamp-link:hover {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
}

/* Speaker Column */
.speaker-col {
  width: 95px;
  flex-shrink: 0;
  display: flex;
  justify-content: flex-start;
}

.speaker-pill {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  background-color: var(--speaker-generic-bg);
  color: var(--speaker-generic-text);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.speaker-pill.speaker-0 { background-color: var(--speaker-0-bg); color: var(--speaker-0-text); }
.speaker-pill.speaker-1 { background-color: var(--speaker-1-bg); color: var(--speaker-1-text); }
.speaker-pill.speaker-2 { background-color: var(--speaker-2-bg); color: var(--speaker-2-text); }
.speaker-pill.speaker-3 { background-color: var(--speaker-3-bg); color: var(--speaker-3-text); }

/* Text Content Column */
.text-col {
  flex: 1;
  color: var(--text-primary);
  line-height: 1.8;
  text-align: justify;
  text-justify: inter-word;
}

/* Visibility classes */
.hide-timestamps .timestamp-col {
  display: none !important;
}

.hide-speakers .speaker-col {
  display: none !important;
}

/* Highlight search matches */
mark {
  background-color: var(--accent-soft);
  color: var(--accent-primary);
  font-weight: 600;
  border-radius: 4px;
  padding: 0.05rem 0.25rem;
  border: 1px solid rgba(37, 99, 235, 0.15);
}
[data-theme="dark"] mark {
  background-color: rgba(59, 130, 246, 0.22);
  color: #60a5fa;
  border-color: rgba(96, 165, 250, 0.3);
}
[data-theme="sepia"] mark {
  background-color: rgba(180, 83, 9, 0.12);
  color: #b45309;
  border-color: rgba(180, 83, 9, 0.2);
}

/* Highlight active anchor line */
.transcript-line:target {
  background-color: var(--accent-soft);
  outline: 1px solid var(--accent-primary);
}

/* Highlighted Speaker mode */
.transcript-body.highlight-active .transcript-line:not(.speaker-highlighted) {
  opacity: 0.4;
}

/* Footer Navigation inside detail view */
.reader-footer {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.nav-card {
  flex: 1;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.nav-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-primary);
}

.nav-card-lbl {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
}

.nav-card-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.nav-card.prev {
  align-items: flex-start;
  text-align: left;
}

.nav-card.next {
  align-items: flex-end;
  text-align: right;
}

/* Site Footer */
.site-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 2.5rem 0;
  margin-top: auto;
  color: var(--text-tertiary);
  font-size: 0.9rem;
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

/* Primary & Prompt Copy Button Styles */
.copy-transcript-container {
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.75rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

@media (max-width: 768px) {
  .copy-transcript-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 480px) {
  .copy-transcript-container {
    grid-template-columns: 1fr;
  }
}

.copy-primary-btn, .copy-prompt-btn, .copy-notebook-btn, .watch-video-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
  outline: none;
  border: 1px solid var(--border-color);
  flex: 1;
  min-width: 140px;
}

.copy-primary-btn {
  border-color: var(--accent-primary);
  background-color: var(--accent-soft);
  color: var(--accent-primary);
}

.copy-primary-btn:hover {
  background-color: var(--accent-primary);
  color: var(--text-inverse);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.copy-primary-btn:active {
  transform: translateY(0);
}

.copy-prompt-btn {
  border-color: #4f46e5;
  background-color: rgba(79, 70, 229, 0.06);
  color: #4f46e5;
}

.copy-prompt-btn:hover {
  background-color: #4f46e5;
  color: var(--text-inverse);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.copy-prompt-btn:active {
  transform: translateY(0);
}

.copy-primary-btn .icon, .copy-prompt-btn .icon, .copy-notebook-btn .icon {
  width: 1.25rem;
  height: 1.25rem;
}

.copy-notebook-btn {
  border-color: #0f9d58;
  background-color: rgba(15, 157, 88, 0.06);
  color: #0f9d58;
}

.copy-notebook-btn:hover {
  background-color: #0f9d58;
  color: var(--text-inverse);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.copy-notebook-btn:active {
  transform: translateY(0);
}

/* Watch Video Button Styles */
.watch-video-btn {
  border-color: #ef4444;
  background-color: rgba(239, 68, 68, 0.06);
  color: #ef4444;
}

.watch-video-btn:hover, .watch-video-btn.active {
  background-color: #ef4444;
  color: var(--text-inverse);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.watch-video-btn:active {
  transform: translateY(0);
}

.watch-video-btn .icon {
  width: 1.25rem;
  height: 1.25rem;
}

/* Video Card Styles */
.video-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}
.video-element-container {
  background-color: #000;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  border: 1px solid var(--border-color);
  border-top: none;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.video-element {
  width: 100%;
  height: 100%;
  object-fit: contain;
  outline: none;
}

/* Title Link Styles */
.title-link {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}
.title-link:hover {
  color: #ef4444;
  text-decoration: underline;
}

/* Sidebar NotebookLM Links Grid */
.notebook-links-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.notebook-sidebar-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.notebook-sidebar-btn:hover {
  background-color: #0f9d58;
  color: var(--text-inverse);
  border-color: #0f9d58;
}

/* Serif Typography Mode */
.transcript-body.font-serif {
  font-family: Georgia, Cambria, "Times New Roman", Times, serif;
}

/* Floating Scroll to Top Button */
.scroll-top-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-full);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top-btn:hover {
  background-color: var(--accent-primary);
  color: var(--text-inverse);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

/* NotebookLM Global Chat Button */
.notebook-global-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  border: 1px solid #0f9d58;
  background-color: rgba(15, 157, 88, 0.08);
  color: #0f9d58;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
  margin-bottom: 0.75rem;
}

.notebook-global-btn:hover {
  background-color: #0f9d58;
  color: var(--text-inverse);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.notebook-global-btn:active {
  transform: translateY(0);
}

/* TL;DR Section Callout Card */
.tldr-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-primary);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.tldr-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.tldr-badge {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-inverse);
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
}

.tldr-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-primary);
}

.tldr-summary {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  white-space: pre-wrap;
  text-align: justify;
  text-justify: inter-word;
}

.tldr-timestamps-list {
  border-top: 1px dashed var(--border-color);
  padding-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.tldr-ts-item {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.tldr-ts-link {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.85rem;
  background-color: var(--bg-tertiary);
  color: var(--accent-primary);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
  margin-right: 0.35rem;
  display: inline-block;
}

.tldr-ts-link:hover {
  background-color: var(--accent-primary);
  color: var(--text-inverse);
  border-color: var(--accent-primary);
}

/* Page Transition animation */
@keyframes pageFadeIn {
  from {
    opacity: 0.85;
    transform: translateY(3px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
body {
  animation: pageFadeIn 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Top Nav Arrows */
.reader-top-nav-arrows {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  z-index: 10;
}
.nav-arrow-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  text-decoration: none;
}
.nav-arrow-btn:hover:not(.disabled) {
  background-color: var(--accent-primary);
  color: var(--text-inverse);
  border-color: var(--accent-primary);
}
.nav-arrow-btn.disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* Floating Navigation Buttons (Desktop) */
.floating-nav-btn {
  position: fixed;
  top: 55%;
  transform: translateY(-50%);
  width: 3.25rem;
  height: 3.25rem;
  border-radius: var(--radius-full);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-normal);
  z-index: 95;
  text-decoration: none;
}
.floating-nav-btn:hover {
  background-color: var(--accent-primary);
  color: var(--text-inverse);
  border-color: var(--accent-primary);
  transform: translateY(-50%) scale(1.06);
  box-shadow: var(--shadow-lg);
}
.floating-nav-btn.prev {
  left: 1.5rem;
}
.floating-nav-btn.next {
  right: 1.5rem;
}
@media (max-width: 1240px) {
  .floating-nav-btn {
    display: none;
  }
}

/* Flat Timestamps (Dates >= Sep 2023) */
.timestamp-flat {
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  user-select: none;
}

.tldr-ts-flat {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.85rem;
  background-color: var(--bg-tertiary);
  color: var(--text-tertiary);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  margin-right: 0.35rem;
  display: inline-block;
  user-select: none;
}

/* Compact NotebookLM AI Assistant Bar */
.compact-ai-bar {
  max-width: 100%;
  margin: 1rem auto 1.25rem auto;
  padding: 0.6rem 1rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.ai-bar-header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.notebook-hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.5rem;
  font-size: 0.7rem;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: rgba(15, 157, 88, 0.08);
  color: #0f9d58;
  border: 1px solid rgba(15, 157, 88, 0.2);
  border-radius: var(--radius-full);
  gap: 0.25rem;
}

.compact-ai-bar h2 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0;
  letter-spacing: -0.015em;
}

.notebook-hero-subtitle {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin: 0;
}

.ai-bar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.ai-bar-years-lbl {
  font-size: 0.7rem;
  font-weight: 750;
  text-transform: uppercase;
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
  margin-left: 0.25rem;
}

.notebook-global-hero-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.8rem;
  font-size: 0.75rem;
  font-weight: 750;
  border-radius: var(--radius-md);
  border: 1px solid #0f9d58;
  background-color: #0f9d58;
  color: var(--text-inverse);
  box-shadow: none;
  transition: all var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
}

.notebook-global-hero-btn:hover {
  background-color: #0c8248;
  border-color: #0c8248;
  transform: translateY(-1px);
}

.notebook-global-hero-btn:active {
  transform: translateY(0);
}

.notebook-global-hero-btn .icon {
  margin-right: 0.35rem;
  width: 0.95rem;
  height: 0.95rem;
}

.notebook-hero-grid {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.notebook-hero-grid-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.3rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.notebook-hero-grid-btn:hover {
  background-color: #0f9d58;
  color: var(--text-inverse);
  border-color: #0f9d58;
  transform: translateY(-1px);
}

@media (max-width: 1024px) {
  .compact-ai-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  .ai-bar-actions {
    width: 100%;
    justify-content: flex-start;
  }
}

/* Month Segmenter Styles */
.month-segmenter-wrapper {
  display: flex;
  justify-content: center; /* Center the buttons on desktop to prevent them stretching too wide */
  gap: 0.3rem;
  overflow-x: auto;
  padding: 0.25rem 0;
  width: 100%;
  scrollbar-width: none; /* Hide scrollbar for Firefox */
  -webkit-overflow-scrolling: touch;
}
.month-segmenter-wrapper::-webkit-scrollbar {
  display: none; /* Hide scrollbar for Chrome & Safari */
}

@media (max-width: 768px) {
  .month-segmenter-wrapper {
    justify-content: flex-start; /* Left-align on mobile so horizontal swiping works cleanly */
  }
}

.segment-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.55rem; /* Compact padding */
  font-size: 0.75rem; /* Smaller, cleaner font size */
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.segment-btn:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.segment-btn.active {
  background-color: var(--accent-primary);
  color: var(--text-inverse);
  border-color: var(--accent-primary);
}

.segment-count {
  font-size: 0.65rem; /* Smaller font size */
  font-weight: 700;
  background-color: var(--bg-tertiary);
  color: var(--text-tertiary);
  padding: 0.02rem 0.3rem; /* Compact count badge padding */
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.segment-btn.active .segment-count {
  background-color: rgba(255, 255, 255, 0.2);
  color: var(--text-inverse);
}