/* FOCS 2025 Schedule - Styles
   A distinctive, modern schedule interface
   ====================================== */

:root {
  /* Light theme (default) - clean academic aesthetic */
  --bg-primary: #f5f6f8;
  --bg-secondary: #ffffff;
  --bg-tertiary: #ebedf0;
  --bg-card: #ffffff;
  
  --text-primary: #1a1d23;
  --text-secondary: #4a5568;
  --text-muted: #718096;
  
  --accent-primary: #c9930a;
  --accent-secondary: #2563eb;
  --accent-success: #16a34a;
  --accent-purple: #9333ea;
  
  --track-a: #2563eb;
  --track-b: #16a34a;
  --track-c: #9333ea;
  --track-all: #c9930a;
  
  --border-color: rgba(0, 0, 0, 0.08);
  --shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.06);
  
  /* Typography - system fonts for no CDN dependency */
  --font-display: Georgia, 'Times New Roman', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
}

/* Dark theme */
[data-theme="dark"] {
  --bg-primary: #1a1d23;
  --bg-secondary: #242830;
  --bg-tertiary: #2d323c;
  --bg-card: #2a2f3a;
  
  --text-primary: #f0f2f5;
  --text-secondary: #a8b3c4;
  --text-muted: #6b7a94;
  
  --accent-primary: #e8b339;
  --accent-secondary: #3d8bfd;
  --accent-success: #2ecc71;
  --accent-purple: #a855f7;
  
  --track-a: #3d8bfd;
  --track-b: #2ecc71;
  --track-c: #a855f7;
  --track-all: #e8b339;
  
  --border-color: rgba(255, 255, 255, 0.08);
  --shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.2);
}

/* Base reset and typography */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 14px; /* Scaled down from default 16px for better density */
}

body {
  font-family: var(--font-body);
  margin: 0;
  padding: 0;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 1rem;
  line-height: 1.5;
  min-height: 100vh;
}

/* Geometric background pattern */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 15% 25%, rgba(37, 99, 235, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 85% 75%, rgba(147, 51, 234, 0.03) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(201, 147, 10, 0.02) 0%, transparent 60%);
  pointer-events: none;
  z-index: -1;
}

[data-theme="dark"] body::before {
  background: 
    radial-gradient(circle at 15% 25%, rgba(61, 139, 253, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 75%, rgba(168, 85, 247, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(232, 179, 57, 0.04) 0%, transparent 60%);
}

/* Container */
.container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  padding: 32px 0 24px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.site-header .header-content {
  flex: 1;
}

.site-header h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 400;
  margin: 0 0 8px;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.site-header .subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  margin: 0;
}

.site-header .conference-dates {
  display: inline-block;
  background: var(--bg-tertiary);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--accent-primary);
  margin-top: 12px;
  border: 1px solid rgba(232, 179, 57, 0.2);
}

/* Filter Bar */
.filter-bar {
  position: static;
  background: transparent;
  padding: 16px 0;
  margin: 0 0 24px;
  border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .filter-bar {
  background: transparent;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

/* Search input */
.search-wrapper {
  position: relative;
  flex: 1;
  min-width: 280px;
  max-width: 320px;
}

.search-wrapper::before {
  content: '⌕';
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.1rem;
  pointer-events: none;
}

#search-input {
  width: 100%;
  padding: 12px 16px 12px 42px;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-body);
  transition: border-color 0.2s, box-shadow 0.2s;
}

#search-input::placeholder {
  color: var(--text-muted);
}

#search-input:focus {
  outline: none;
  border-color: var(--accent-secondary);
  box-shadow: 0 0 0 3px rgba(61, 139, 253, 0.15);
}

/* Filter buttons group */
.filter-group {
  display: flex;
  gap: 6px;
  align-items: center;
}

.filter-group-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-right: 6px;
}

.filter-btn {
  padding: 8px 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.2s ease;
}

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

.filter-btn.active {
  background: var(--accent-secondary);
  border-color: var(--accent-secondary);
  color: white;
}

.filter-btn[data-track="A"].active { background: var(--track-a); border-color: var(--track-a); }
.filter-btn[data-track="B"].active { background: var(--track-b); border-color: var(--track-b); }
.filter-btn[data-track="C"].active { background: var(--track-c); border-color: var(--track-c); }

/* Starred toggle */
.starred-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.starred-toggle:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.starred-toggle.active {
  background: rgba(232, 179, 57, 0.15);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.starred-toggle .star-icon {
  font-size: 1rem;
}

.starred-toggle .star-count {
  background: var(--bg-tertiary);
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.75rem;
  font-weight: 600;
  min-width: 20px;
  text-align: center;
}

.starred-toggle.active .star-count {
  background: var(--accent-primary);
  color: var(--bg-primary);
}


/* Export section */
.export-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
  margin-top: 12px;
}

.export-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.export-group {
  display: flex;
  gap: 8px;
}

.export-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.2s ease;
}

.export-btn:hover {
  background: var(--accent-secondary);
  border-color: var(--accent-secondary);
  color: white;
}

.export-btn .icon {
  font-size: 1rem;
}

/* Theme toggle (header position) */
.site-header .theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.site-header .theme-toggle:hover {
  background: var(--bg-card);
  color: var(--text-primary);
  transform: rotate(15deg);
}

.site-header .theme-toggle .theme-icon {
  line-height: 1;
}

/* Day Section */
.day-section {
  margin-bottom: 32px;
}

.day-header {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--text-primary);
  padding: 16px 0;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--accent-primary);
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.day-header .day-number {
  background: var(--accent-primary);
  color: var(--bg-primary);
  padding: 4px 12px;
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
}

.day-header .day-date {
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 1rem;
}

/* Time Slot */
.time-slot {
  margin-bottom: 16px;
  background: var(--bg-card);
  border-radius: 12px;
  padding: 16px;
  border: 1px solid var(--border-color);
}

.time-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.time-badge {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-secondary);
  background: rgba(61, 139, 253, 0.1);
  padding: 6px 12px;
  border-radius: 6px;
}

/* Tracks container */
.tracks-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

/* Track */
.track {
  background: var(--bg-secondary);
  border-radius: 10px;
  padding: 12px;
  border-left: 4px solid var(--text-muted);
  position: relative;
}

.track-A { border-left-color: var(--track-a); }
.track-B { border-left-color: var(--track-b); }
.track-C { border-left-color: var(--track-c); }

.track-all {
  grid-column: 1 / -1;
  border-left-color: var(--track-all);
  background: linear-gradient(135deg, rgba(232, 179, 57, 0.05) 0%, var(--bg-secondary) 100%);
}

.track-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.track-header .track-badge {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.track-A .track-header { color: var(--track-a); }
.track-B .track-header { color: var(--track-b); }
.track-C .track-header { color: var(--track-c); }

.track-location {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: normal;
  margin-left: auto;
}

/* Paper item */
.paper {
  padding: 8px 0;
  border-bottom: 1px solid var(--border-color);
  transition: background 0.2s ease;
}

.paper:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.paper:hover {
  background: rgba(255, 255, 255, 0.02);
  margin: 0 -16px;
  padding-left: 16px;
  padding-right: 16px;
  border-radius: 8px;
}

.paper-header {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 6px;
}

.paper-time {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
}

.paper-title {
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.95rem;
  line-height: 1.4;
  flex: 1;
}

.paper-star {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all 0.2s ease;
}

.paper-star:hover {
  background: rgba(232, 179, 57, 0.1);
  color: var(--accent-primary);
}

.paper-star.starred {
  color: var(--accent-primary);
}

.paper-star.starred:hover {
  background: rgba(232, 179, 57, 0.2);
}

.paper-authors {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
  padding-left: 0;
}

.paper-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.paper-meta .topic-tag {
  display: inline-block;
  background: var(--bg-tertiary);
  padding: 2px 8px;
  border-radius: 4px;
  margin-right: 4px;
  margin-top: 4px;
}

.paper-meta .topic-more {
  display: inline-block;
  background: var(--bg-tertiary);
  padding: 2px 8px;
  border-radius: 4px;
  margin-right: 4px;
  margin-top: 4px;
  cursor: pointer;
  color: var(--accent-secondary);
  font-weight: 500;
  transition: background 0.2s;
}

.paper-meta .topic-more:hover {
  background: var(--accent-secondary);
  color: white;
}

.paper-meta .topic-hidden {
  display: none;
}

.paper-meta.expanded .topic-hidden {
  display: inline;
}

.paper-meta.expanded .topic-more {
  display: none;
}

/* Special events */
.special-event {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-primary);
}

.special-event .event-icon {
  font-size: 1.4rem;
}

.special-event.workshop { color: var(--track-c); }
.special-event.break { color: var(--text-primary); }
.special-event.lunch { color: var(--text-primary); }
.special-event.plenary { 
  color: #6d28d9;
}

/* Plenary talks get a violet/indigo highlight */
.track.track-all.plenary {
  background: linear-gradient(135deg, #f5f3ff, #ede9fe) !important;
  border-left-color: #8b5cf6 !important;
}

.track.track-all.plenary .track-header {
  color: #6d28d9;
  font-weight: 600;
}

.plenary-content {
  padding: 0.75rem 0;
}

.plenary-speaker {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.plenary-title {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-style: italic;
}

/* Plenary dark mode */
[data-theme="dark"] .track.track-all.plenary {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(109, 40, 217, 0.1)) !important;
}

[data-theme="dark"] .track.track-all.plenary .track-header {
  color: #a78bfa;
}

[data-theme="dark"] .plenary-speaker {
  color: var(--text-primary);
}
.special-event.awards { color: var(--accent-primary); }
.special-event.social { 
  color: #be185d;
}
.special-event.business { 
  color: #be185d;
}

/* Social events get a rose/pink highlight on the track container */
.track-all:has(.special-event.social) {
  background: linear-gradient(135deg, #fdf2f8, #fce7f3) !important;
  border-left-color: #ec4899 !important;
}
.track-all:has(.special-event.business) {
  background: linear-gradient(135deg, #fdf2f8, #fce7f3) !important;
  border-left-color: #ec4899 !important;
}

.event-location {
  display: block;
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-top: 4px;
}

.workshop-title {
  font-weight: 600;
}

.workshop-organizers {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-top: 4px;
}

.workshop-link {
  color: var(--accent-secondary);
  text-decoration: none;
  font-weight: 500;
  margin-left: 8px;
  display: inline-block;
}

.workshop-link:hover {
  text-decoration: underline;
}

/* Hidden state for filtering */
.paper.hidden,
.track.hidden,
.time-slot.hidden,
.day-section.hidden {
  display: none;
}

/* No results message */
.no-results {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.no-results .icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.no-results h3 {
  color: var(--text-secondary);
  margin: 0 0 8px;
  font-weight: 500;
}

.no-results p {
  margin: 0;
}

/* Footer */
.site-footer {
  margin-top: 48px;
  padding: 32px 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.site-footer .privacy-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 12px;
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.site-footer .privacy-note .icon {
  color: var(--accent-primary);
}

/* Responsive */
@media (max-width: 1100px) {
  .tracks-container {
    grid-template-columns: repeat(2, 1fr);
  }
  .track-all {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .site-header h1 {
    font-size: 1.8rem;
  }
  
  .filter-row {
    flex-direction: column;
    align-items: stretch;
  }
  
  .search-wrapper {
    max-width: none;
  }
  
  .filter-group {
    flex-wrap: wrap;
  }
  
  .export-group {
    margin-left: 0;
    justify-content: center;
  }
  
  .tracks-container {
    grid-template-columns: 1fr;
  }
  
  .summary {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Print styles */
@media print {
  /* Force light theme and reset */
  :root {
    --bg-primary: white;
    --bg-secondary: white;
    --bg-tertiary: #f5f5f5;
    --bg-card: white;
    --text-primary: #000;
    --text-secondary: #333;
    --text-muted: #666;
    --border-color: #ccc;
  }
  
  * {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }
  
  body {
    background: white !important;
    color: black !important;
    font-size: 8pt !important;
    line-height: 1.2 !important;
  }
  
  body::before {
    display: none !important;
  }
  
  /* Hide non-essential elements */
  .filter-bar,
  .export-row,
  .paper-star,
  .site-footer,
  .site-header .theme-toggle,
  .paper-meta,
  .topic-tag,
  .topic-more,
  .topic-hidden {
    display: none !important;
  }
  
  /* Compact container */
  .container {
    max-width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
  }
  
  /* Compact header */
  .site-header {
    padding: 10px 0 !important;
    margin-bottom: 10px !important;
    border-bottom: 2px solid #000 !important;
    background: none !important;
  }
  
  .site-header h1 {
    font-size: 16pt !important;
    margin: 0 !important;
  }
  
  .site-header .subtitle {
    font-size: 9pt !important;
    margin: 2px 0 0 !important;
  }
  
  .site-header .conference-dates {
    display: none !important;
  }
  
  /* Day sections - page break between days */
  .day-section {
    margin-bottom: 0 !important;
    page-break-after: always;
  }
  
  .day-section:last-child {
    page-break-after: auto;
  }
  
  .day-header {
    font-size: 12pt !important;
    padding: 5px 0 !important;
    margin-bottom: 5px !important;
    border-bottom: 1px solid #000 !important;
    background: #eee !important;
    -webkit-print-color-adjust: exact !important;
  }
  
  .day-header .day-number {
    font-size: 9pt !important;
    padding: 2px 6px !important;
  }
  
  .day-header .day-date {
    font-size: 10pt !important;
  }
  
  /* Compact time slots */
  .time-slot {
    margin-bottom: 5px !important;
    padding: 5px !important;
    background: white !important;
    border: 1px solid #ddd !important;
    border-radius: 0 !important;
  }
  
  .time-header {
    margin-bottom: 3px !important;
    padding-bottom: 3px !important;
  }
  
  .time-badge {
    font-size: 8pt !important;
    padding: 1px 4px !important;
    background: #eee !important;
    color: #000 !important;
  }
  
  /* Compact tracks - side by side */
  .tracks-container {
    display: table !important;
    width: 100% !important;
    table-layout: fixed !important;
    gap: 0 !important;
  }
  
  .track {
    display: table-cell !important;
    vertical-align: top !important;
    width: 33.33% !important;
    padding: 3px 5px !important;
    border-left: 2px solid #999 !important;
    background: white !important;
  }
  
  .track-A { border-left-color: #2563eb !important; }
  .track-B { border-left-color: #16a34a !important; }
  .track-C { border-left-color: #9333ea !important; }
  
  .track-all {
    display: block !important;
    width: 100% !important;
    text-align: center !important;
    border-left: none !important;
    background: #f9f9f9 !important;
  }
  
  .track-header {
    font-size: 7pt !important;
    margin-bottom: 3px !important;
    padding-bottom: 2px !important;
    border-bottom: 1px solid #ddd !important;
  }
  
  /* Compact papers - one line format */
  .paper {
    padding: 2px 0 !important;
    border-bottom: none !important;
    margin: 0 !important;
  }
  
  .paper:hover {
    background: none !important;
    margin: 0 !important;
    padding: 2px 0 !important;
  }
  
  .paper-header {
    display: block !important;
    margin-bottom: 0 !important;
  }
  
  .paper-time {
    font-size: 6pt !important;
    color: #666 !important;
    display: inline !important;
    background: none !important;
    padding: 0 !important;
    margin-right: 3px !important;
  }
  
  .paper-title {
    font-size: 7pt !important;
    font-weight: 500 !important;
    display: inline !important;
  }
  
  .paper-authors {
    font-size: 6pt !important;
    color: #666 !important;
    margin: 0 !important;
    padding-left: 0 !important;
  }
  
  /* Special events */
  .special-event {
    font-size: 8pt !important;
    padding: 3px !important;
    text-align: center !important;
  }
  
  /* Prevent awkward breaks */
  .time-slot {
    break-inside: avoid;
  }
  
  /* Starred-mode: hide empty tracks and use flexbox in print */
  body.starred-mode .track:not(:has(.paper:not(.hidden))):not(:has(.special-event)):not(.plenary) {
    display: none !important;
  }
  
  body.starred-mode .tracks-container {
    display: flex !important;
    gap: 5px !important;
  }
  
  body.starred-mode .track {
    display: block !important;
    flex: 1 !important;
    width: auto !important;
  }
  
  /* Hide time slots with no visible papers */
  body.starred-mode .time-slot:not(:has(.paper:not(.hidden))):not(:has(.special-event)):not(:has(.plenary)) {
    display: none !important;
  }
}

/* Animation for star */
@keyframes starPop {
  0% { transform: scale(1); }
  50% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

.paper-star.just-starred {
  animation: starPop 0.3s ease;
}

/* Loading state */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

/* ============================================
   Starred-only mode: compact track layout
   ============================================ */

/* Hide tracks with no visible papers, but keep special events and plenaries visible */
body.starred-mode .track:not(:has(.paper:not(.hidden))):not(:has(.special-event)):not(.plenary) {
  display: none !important;
}

/* Hide time slots with no visible papers, but keep special events and plenaries visible */
body.starred-mode .time-slot:not(:has(.paper:not(.hidden))):not(:has(.special-event)):not(:has(.plenary)) {
  display: none !important;
}

/* Make tracks expand to fill available space - desktop only */
@media (min-width: 769px) {
  body.starred-mode .tracks-container {
    display: flex;
    gap: 16px;
  }

  body.starred-mode .track {
    flex: 1;
    min-width: 0;
  }
}

/* On mobile, starred mode keeps the single column grid layout */
@media (max-width: 768px) {
  body.starred-mode .tracks-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
  }
}