/* ═══════════════════════════════════════════════════════════════════════════
   PRISM-V Design System · A Multidimensional Evaluation of Pretrained Neural Vocoders for Speech Synthesis
   Refined Research-Grade Stylesheet for GitHub Pages (github.io)
   Typography: Inter (UI) + JetBrains Mono / IBM Plex Mono (Tabular Numerals)
   8px base grid, 10–12px border radii, accessible contrast, subtle transitions
   ═══════════════════════════════════════════════════════════════════════════ */

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

/* ── CSS Custom Properties ───────────────────────────────────────────────── */
:root, [data-theme="dark"] {
  --bg:             #0B1120;
  --surface:        #111827;
  --surface-2:      #1A2332;
  --raised:         #1E293B;
  --border:         #1E293B;
  --border-2:       #334155;
  --text-primary:   #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted:     #64748B;

  --prism:          #818CF8;
  --prism-light:    rgba(129, 140, 248, 0.12);
  --prism-hover:    #A5B4FC;
  --accent:         #22D3EE;
  --accent-light:   rgba(34, 211, 238, 0.12);

  --green:          #4ADE80;
  --green-light:    rgba(74, 222, 128, 0.12);
  --amber:          #FCD34D;
  --amber-light:    rgba(252, 211, 77, 0.12);
  --red:            #F87171;
  --red-light:      rgba(248, 113, 113, 0.12);
  --violet:         #A78BFA;
  --violet-light:   rgba(167, 139, 250, 0.12);
  --cyan:           #22D3EE;
  --cyan-light:     rgba(34, 211, 238, 0.12);

  /* Column legend & grouping colors */
  --col-objective:        #1E3A5F;
  --col-subjective:       #2D1F47;
  --col-perf:             #2D1F00;
  --col-robust:           #052E16;
  --col-info:             #1A2332;
  --col-objective-border: #2563EB;
  --col-subjective-border:#7C3AED;
  --col-perf-border:      #B45309;
  --col-robust-border:    #15803D;

  /* Rank badges (Dark Mode) */
  --rank-gold-bg:     linear-gradient(135deg, rgba(251, 191, 36, 0.25) 0%, rgba(245, 158, 11, 0.40) 100%);
  --rank-gold-border: #F59E0B;
  --rank-gold-color:  #FEF08A;
  --rank-gold-shadow: 0 0 12px rgba(245, 158, 11, 0.35), inset 0 0 6px rgba(251, 191, 36, 0.2);

  --rank-silver-bg:     linear-gradient(135deg, rgba(226, 232, 240, 0.20) 0%, rgba(148, 163, 184, 0.35) 100%);
  --rank-silver-border: #CBD5E1;
  --rank-silver-color:  #F8FAFC;
  --rank-silver-shadow: 0 0 10px rgba(203, 213, 225, 0.28);

  --rank-bronze-bg:     linear-gradient(135deg, rgba(254, 215, 170, 0.20) 0%, rgba(234, 88, 12, 0.35) 100%);
  --rank-bronze-border: #EA580C;
  --rank-bronze-color:  #FED7AA;
  --rank-bronze-shadow: 0 0 10px rgba(234, 88, 12, 0.28);

  --rank-reg-bg:     rgba(129, 140, 248, 0.08);
  --rank-reg-border: rgba(129, 140, 248, 0.25);
  --rank-reg-color:  #F8FAFC;
  --rank-reg-score:  #818CF8;

  /* PRISM dimension letters */
  --prism-p: #6366f1;
  --prism-r: #06b6d4;
  --prism-i: #10b981;
  --prism-s: #f59e0b;
  --prism-m: #f43f5e;
  --prism-suffix: #6366f1;

  --prism-dim-p-bg: rgba(99, 102, 241, 0.12);
  --prism-dim-p-border: #6366f1;
  --prism-dim-p-color: #6366f1;
  --prism-dim-r-bg: rgba(6, 182, 212, 0.12);
  --prism-dim-r-border: #06b6d4;
  --prism-dim-r-color: #06b6d4;
  --prism-dim-i-bg: rgba(16, 185, 129, 0.12);
  --prism-dim-i-border: #10b981;
  --prism-dim-i-color: #10b981;
  --prism-dim-s-bg: rgba(245, 158, 11, 0.12);
  --prism-dim-s-border: #f59e0b;
  --prism-dim-s-color: #f59e0b;
  --prism-dim-m-bg: rgba(244, 63, 94, 0.12);
  --prism-dim-m-border: #f43f5e;
  --prism-dim-m-color: #f43f5e;

  --shadow-sm:   0 1px 3px 0 rgba(0,0,0,.4);
  --shadow:      0 4px 6px -1px rgba(0,0,0,.5);
  --shadow-lg:   0 10px 15px -3px rgba(0,0,0,.5);
  --shadow-prism:0 0 0 3px rgba(129,140,248,.25);

  --chart-bg: #111827;
  --chart-grid: #1E293B;
  --chart-text: #F8FAFC;
}

[data-theme="light"], .light {
  --bg:             #F8FAFC;
  --surface:        #FFFFFF;
  --surface-2:      #F1F5F9;
  --raised:         #E2E8F0;
  --border:         #E2E8F0;
  --border-2:       #CBD5E1;
  --text-primary:   #0F172A;
  --text-secondary: #475569;
  --text-muted:     #94A3B8;

  --prism:          #4F46E5;
  --prism-light:    #EEF2FF;
  --prism-hover:    #4338CA;
  --accent:         #0891B2;
  --accent-light:   #ECFEFF;

  --green:          #16A34A;
  --green-light:    #DCFCE7;
  --amber:          #D97706;
  --amber-light:    #FEF3C7;
  --red:            #DC2626;
  --red-light:      #FEE2E2;
  --violet:         #7C3AED;
  --violet-light:   #F5F3FF;
  --cyan:           #0E7490;
  --cyan-light:     #CFFAFE;

  --col-objective:        #EFF6FF;
  --col-subjective:       #FAF5FF;
  --col-perf:             #FFFBEB;
  --col-robust:           #F0FDF4;
  --col-info:             #F8FAFC;
  --col-objective-border: #93C5FD;
  --col-subjective-border:#C4B5FD;
  --col-perf-border:      #FCD34D;
  --col-robust-border:    #86EFAC;

  /* Rank badges (Light Mode) */
  --rank-gold-bg:     linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
  --rank-gold-border: #B45309;
  --rank-gold-color:  #78350F;
  --rank-gold-shadow: 0 2px 8px rgba(180, 83, 9, 0.35);

  --rank-silver-bg:     linear-gradient(135deg, #F1F5F9 0%, #E2E8F0 100%);
  --rank-silver-border: #475569;
  --rank-silver-color:  #0F172A;
  --rank-silver-shadow: 0 2px 6px rgba(71, 85, 105, 0.25);

  --rank-bronze-bg:     linear-gradient(135deg, #FFEDD5 0%, #FED7AA 100%);
  --rank-bronze-border: #9A3412;
  --rank-bronze-color:  #7C2D12;
  --rank-bronze-shadow: 0 2px 6px rgba(154, 52, 18, 0.3);

  --rank-reg-bg:     #EEF2FF;
  --rank-reg-border: #818CF8;
  --rank-reg-color:  #1E1B4B;
  --rank-reg-score:  #3730A3;

  /* PRISM system colors (Light Mode) */
  --prism-p: #4F46E5;
  --prism-r: #0891B2;
  --prism-i: #059669;
  --prism-s: #D97706;
  --prism-m: #E11D48;
  --prism-suffix: #4F46E5;

  --prism-dim-p-bg: #EEF2FF;
  --prism-dim-p-border: #6366f1;
  --prism-dim-p-color: #4F46E5;
  --prism-dim-r-bg: #ECFEFF;
  --prism-dim-r-border: #06b6d4;
  --prism-dim-r-color: #0891B2;
  --prism-dim-i-bg: #ECFDF5;
  --prism-dim-i-border: #10b981;
  --prism-dim-i-color: #059669;
  --prism-dim-s-bg: #FFFBEB;
  --prism-dim-s-border: #f59e0b;
  --prism-dim-s-color: #D97706;
  --prism-dim-m-bg: #FFF1F2;
  --prism-dim-m-border: #f43f5e;
  --prism-dim-m-color: #E11D48;

  --shadow-sm:   0 1px 3px 0 rgba(0,0,0,.06), 0 1px 2px -1px rgba(0,0,0,.04);
  --shadow:      0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);
  --shadow-lg:   0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.05);
  --shadow-prism:0 0 0 3px rgba(79,70,229,.18);

  --chart-bg: #FFFFFF;
  --chart-grid: #E2E8F0;
  --chart-text: #0F172A;
}

/* ── Base Styles ─────────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: calc(14px * var(--font-scale, 1));
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  transition: background-color 200ms ease, color 200ms ease;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

code, kbd, samp, pre, .font-mono {
  font-family: 'JetBrains Mono', 'IBM Plex Mono', Menlo, Monaco, Consolas, monospace;
  font-feature-settings: 'tnum' on, 'zero' on;
}

/* ── Tabular Numerals ────────────────────────────────────────────────────── */
.tnum, .num-cell {
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1;
}

/* ── Custom Scrollbars ───────────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--surface);
}
::-webkit-scrollbar-thumb {
  background: var(--border-2);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--prism);
}

/* ── Accessibility & Theme Dock (Vertical Format on Right Edge) ───────────── */
#prism-accessibility-toolbar {
  position: fixed;
  top: 50%;
  right: 10px;
  transform: translateY(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 8px 5px;
  border-radius: 20px;
  background: var(--surface);
  border: 1px solid var(--border-2);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35), 0 0 1px rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
  user-select: none;
}

#prism-accessibility-toolbar:hover {
  border-color: var(--prism);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45), 0 0 16px rgba(129, 140, 248, 0.35);
}

.toolbar-label {
  font-size: 13px;
  line-height: 1;
  padding: 1px 0;
  user-select: none;
  opacity: 0.85;
}

.font-step-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
  width: 28px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
  transition: all 150ms ease;
}

.font-step-btn:hover:not(:disabled) {
  background: var(--prism-light);
  border-color: var(--prism);
  color: var(--prism);
  transform: scale(1.08);
}

.font-step-btn:disabled {
  opacity: 0.25;
  cursor: not-allowed;
}

.font-scale-dots {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  margin: 1px 0;
}

.font-dot {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
  transition: all 150ms ease;
}

.font-dot:hover {
  border-color: var(--prism);
  color: var(--prism);
  transform: scale(1.14);
}

.font-dot.active {
  background: var(--prism);
  border-color: var(--prism);
  color: #FFFFFF !important;
  box-shadow: 0 0 10px rgba(129, 140, 248, 0.6);
  transform: scale(1.08);
}

.toolbar-divider {
  width: 18px;
  height: 1px;
  background: var(--border-2);
  margin: 2px 0;
}

#theme-toggle-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
  width: 28px;
  height: 28px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  transition: all 150ms ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

#theme-toggle-btn:hover {
  background: var(--prism-light);
  border-color: var(--prism);
  transform: scale(1.08);
}

@media (max-width: 640px) {
  #prism-accessibility-toolbar {
    right: 4px;
    padding: 6px 3px;
    gap: 3px;
    transform: translateY(-50%) scale(0.85);
    transform-origin: right center;
  }
}

/* ── PRISM Glowing Rainbow Text ──────────────────────────────────────────── */
.prism-rainbow-text {
  font-weight: 800;
}
.prism-p { color: var(--prism-p); }
.prism-r { color: var(--prism-r); }
.prism-i { color: var(--prism-i); }
.prism-s { color: var(--prism-s); }
.prism-m { color: var(--prism-m); }
.prism-suffix { color: var(--prism-suffix); }

.prism-glow {
  text-shadow: 0 0 24px rgba(129, 140, 248, 0.4);
}

/* ── Dimension Pills ─────────────────────────────────────────────────────── */
.prism-dimension-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 12px 0 16px;
}

.prism-dim-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
  transition: transform 160ms ease, box-shadow 160ms ease;
  cursor: default;
}

.prism-dim-pill:hover {
  transform: translateY(-1px);
}

.prism-dim-p { background: var(--prism-dim-p-bg); border: 1px solid var(--prism-dim-p-border); color: var(--prism-dim-p-color); }
.prism-dim-r { background: var(--prism-dim-r-bg); border: 1px solid var(--prism-dim-r-border); color: var(--prism-dim-r-color); }
.prism-dim-i { background: var(--prism-dim-i-bg); border: 1px solid var(--prism-dim-i-border); color: var(--prism-dim-i-color); }
.prism-dim-s { background: var(--prism-dim-s-bg); border: 1px solid var(--prism-dim-s-border); color: var(--prism-dim-s-color); }
.prism-dim-m { background: var(--prism-dim-m-bg); border: 1px solid var(--prism-dim-m-border); color: var(--prism-dim-m-color); }

/* ── Hero Banner Badges ──────────────────────────────────────────────────── */
.banner-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--border-2);
  background: var(--surface);
  color: var(--text-secondary);
  transition: all 160ms ease;
}

.banner-badge:hover {
  border-color: var(--prism);
  color: var(--text-primary);
  transform: translateY(-1px);
}

/* ── Navigation Tabs ─────────────────────────────────────────────────────── */
.nav-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all 160ms cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}

.nav-tab-btn:hover {
  color: var(--text-primary);
  background: var(--surface-2);
  border-color: var(--border);
}

.nav-tab-btn.active {
  color: #FFFFFF;
  background: var(--prism);
  border-color: var(--prism);
  box-shadow: 0 2px 10px rgba(129, 140, 248, 0.4);
}

[data-theme="light"] .nav-tab-btn.active {
  color: #FFFFFF;
  background: #4F46E5;
  border-color: #4F46E5;
}

/* ── Rank & Score Pills (Leaderboard) ─────────────────────────────────────── */
.rank-score-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 700;
  min-width: 96px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.rank-score-pill:hover {
  transform: translateY(-1px);
}

.rank-score-pill.rank-gold {
  background: var(--rank-gold-bg);
  border: 1.5px solid var(--rank-gold-border);
  color: var(--rank-gold-color);
  box-shadow: var(--rank-gold-shadow);
}

.rank-score-pill.rank-silver {
  background: var(--rank-silver-bg);
  border: 1.5px solid var(--rank-silver-border);
  color: var(--rank-silver-color);
  box-shadow: var(--rank-silver-shadow);
}

.rank-score-pill.rank-bronze {
  background: var(--rank-bronze-bg);
  border: 1.5px solid var(--rank-bronze-border);
  color: var(--rank-bronze-color);
  box-shadow: var(--rank-bronze-shadow);
}

.rank-score-pill.rank-regular {
  background: var(--rank-reg-bg);
  border: 1px solid var(--rank-reg-border);
  color: var(--rank-reg-color);
}

.rank-score-pill .rank-score {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 800;
  font-size: 13px;
}

/* ── Column Legend Bar ───────────────────────────────────────────────────── */
.col-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 600;
}

.col-legend-obj { background: var(--col-objective); border: 1px solid var(--col-objective-border); color: #93C5FD; }
.col-legend-subj { background: var(--col-subjective); border: 1px solid var(--col-subjective-border); color: #C4B5FD; }
.col-legend-perf { background: var(--col-perf); border: 1px solid var(--col-perf-border); color: #FCD34D; }
.col-legend-rob { background: var(--col-robust); border: 1px solid var(--col-robust-border); color: #86EFAC; }

[data-theme="light"] .col-legend-obj { color: #1D4ED8; }
[data-theme="light"] .col-legend-subj { color: #6D28D9; }
[data-theme="light"] .col-legend-perf { color: #B45309; }
[data-theme="light"] .col-legend-rob { color: #15803D; }

/* ── Interactive Tables ──────────────────────────────────────────────────── */
.prism-table-container {
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
}

table.prism-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 13px;
  text-align: left;
}

table.prism-table th {
  background: var(--surface-2);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 12px 14px;
  border-bottom: 2px solid var(--border-2);
  position: sticky;
  top: 0;
  z-index: 10;
  white-space: nowrap;
  user-select: none;
  cursor: pointer;
  transition: background 150ms ease, color 150ms ease;
}

table.prism-table th:hover {
  background: var(--raised);
  color: var(--text-primary);
}

table.prism-table th.sorted-asc::after {
  content: " ▲";
  color: var(--prism);
}

table.prism-table th.sorted-desc::after {
  content: " ▼";
  color: var(--prism);
}

table.prism-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  white-space: nowrap;
  transition: background 120ms ease;
}

table.prism-table tbody tr:hover td {
  background: var(--surface-2);
}

table.prism-table tbody tr:last-child td {
  border-bottom: none;
}

/* ── Table Link Buttons ──────────────────────────────────────────────────── */
.tbl-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  text-decoration: none;
  transition: all 150ms ease;
}

.tbl-btn-gh {
  background: #24292e;
  color: #FFFFFF !important;
  border: 1px solid #444d56;
}

.tbl-btn-gh:hover {
  background: #2f363d;
  transform: translateY(-1px);
}

.tbl-btn-ckpt {
  background: var(--prism);
  color: #FFFFFF !important;
  border: 1px solid transparent;
}

.tbl-btn-ckpt:hover {
  background: var(--prism-hover);
  transform: translateY(-1px);
}

/* ── Tooltips ────────────────────────────────────────────────────────────── */
.has-tooltip {
  position: relative;
  cursor: help;
  border-bottom: 1px dotted var(--text-muted);
}

.has-tooltip:hover::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 12px;
  background: #0F172A;
  color: #F8FAFC;
  border: 1px solid #334155;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 500;
  line-height: 1.4;
  white-space: normal;
  width: max-content;
  max-width: 260px;
  z-index: 99999;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
  pointer-events: none;
  animation: tooltipFade 180ms ease forwards;
}

@keyframes tooltipFade {
  from { opacity: 0; transform: translate(-50%, 4px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* ── Vocoder Audio Cards ─────────────────────────────────────────────────── */
.vocoder-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  transition: border-color 160ms ease, box-shadow 160ms ease;
  box-shadow: var(--shadow-sm);
}

.vocoder-card:hover {
  border-color: var(--prism);
  box-shadow: var(--shadow);
}

.vocoder-card-tag {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
}

.vocoder-metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin: 12px 0;
}

.vocoder-metric-box {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
}

.vocoder-metric-lbl {
  font-size: 10.5px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}

.vocoder-metric-val {
  font-size: 16px;
  font-weight: 800;
  font-family: 'JetBrains Mono', monospace;
  margin-top: 2px;
}

.vocoder-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.audio-card-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 600;
  text-decoration: none;
  background: var(--surface-2);
  color: var(--text-primary);
  border: 1px solid var(--border-2);
  transition: all 150ms ease;
}

.audio-card-btn:hover {
  background: var(--raised);
  border-color: var(--prism);
  color: var(--prism);
}

.audio-card-btn-gh {
  background: #24292e;
  color: #FFFFFF !important;
  border-color: #334155;
}

.audio-card-btn-ckpt {
  background: var(--prism);
  color: #FFFFFF !important;
  border-color: transparent;
}

/* ── Head-to-Head Comparison Banner ──────────────────────────────────────── */
.compare-diff-banner {
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  border-left: 4px solid var(--prism);
  border-radius: 10px;
  padding: 14px 18px;
  margin: 14px 0;
}

/* ── Custom Audio Player & Waveform ──────────────────────────────────────── */
.audio-player-custom {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  margin: 10px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.audio-waveform-canvas {
  width: 100%;
  height: 64px;
  border-radius: 6px;
  background: var(--surface);
  cursor: pointer;
  display: block;
}

.audio-controls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.play-pause-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--prism);
  color: #FFFFFF;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 14px;
  transition: transform 150ms ease, background 150ms ease;
}

.play-pause-btn:hover {
  transform: scale(1.08);
  background: var(--prism-hover);
}

/* ── Citation & Code Blocks ──────────────────────────────────────────────── */
.bibtex-box {
  background: #0D1117;
  color: #C9D1D9;
  border: 1px solid #30363D;
  border-radius: 10px;
  padding: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  line-height: 1.5;
  position: relative;
  overflow-x: auto;
}

.copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  background: #21262D;
  color: #C9D1D9;
  border: 1px solid #30363D;
  cursor: pointer;
  transition: all 150ms ease;
}

.copy-btn:hover {
  background: #30363D;
  color: #FFFFFF;
  border-color: var(--prism);
}

/* ── KPI Stat Cards ──────────────────────────────────────────────────────── */
.kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 14px;
  box-shadow: var(--shadow-sm);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* KPI Card Colors (Dark Theme) */
.kpi-card-indigo {
  background: rgba(49, 46, 129, 0.22) !important;
  border-color: rgba(99, 102, 241, 0.35) !important;
}
.kpi-card-indigo:hover {
  border-color: #818CF8 !important;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.25);
}
.kpi-card-indigo .kpi-title { color: #A5B4FC !important; }
.kpi-card-indigo .kpi-val { color: #818CF8 !important; }
.kpi-card-indigo .kpi-sub { color: #C7D2FE !important; opacity: 0.85; }

.kpi-card-cyan {
  background: rgba(22, 78, 99, 0.22) !important;
  border-color: rgba(6, 182, 212, 0.35) !important;
}
.kpi-card-cyan:hover {
  border-color: #22D3EE !important;
  box-shadow: 0 4px 14px rgba(6, 182, 212, 0.25);
}
.kpi-card-cyan .kpi-title { color: #67E8F9 !important; }
.kpi-card-cyan .kpi-val { color: #22D3EE !important; }
.kpi-card-cyan .kpi-sub { color: #A5F3FC !important; opacity: 0.85; }

.kpi-card-emerald {
  background: rgba(6, 78, 59, 0.22) !important;
  border-color: rgba(16, 185, 129, 0.35) !important;
}
.kpi-card-emerald:hover {
  border-color: #34D399 !important;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.25);
}
.kpi-card-emerald .kpi-title { color: #6EE7B7 !important; }
.kpi-card-emerald .kpi-val { color: #34D399 !important; }
.kpi-card-emerald .kpi-sub { color: #A7F3D0 !important; opacity: 0.85; }

.kpi-card-amber {
  background: rgba(120, 53, 15, 0.22) !important;
  border-color: rgba(245, 158, 11, 0.35) !important;
}
.kpi-card-amber:hover {
  border-color: #FBBF24 !important;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.25);
}
.kpi-card-amber .kpi-title { color: #FCD34D !important; }
.kpi-card-amber .kpi-val { color: #FBBF24 !important; }
.kpi-card-amber .kpi-sub { color: #FDE68A !important; opacity: 0.85; }

.kpi-card-rose {
  background: rgba(136, 19, 55, 0.22) !important;
  border-color: rgba(244, 63, 94, 0.35) !important;
}
.kpi-card-rose:hover {
  border-color: #FB7185 !important;
  box-shadow: 0 4px 14px rgba(244, 63, 94, 0.25);
}
.kpi-card-rose .kpi-title { color: #FDA4AF !important; }
.kpi-card-rose .kpi-val { color: #FB7185 !important; }
.kpi-card-rose .kpi-sub { color: #FECDD3 !important; opacity: 0.85; }

/* ── Comprehensive Full-Site Light Mode Engine ────────────────────────────── */
[data-theme="light"] body,
.light body {
  background-color: #F8FAFC !important;
  color: #0F172A !important;
}

[data-theme="light"] .bg-slate-900,
.light .bg-slate-900 {
  background-color: #FFFFFF !important;
  border-color: #E2E8F0 !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .bg-slate-950,
.light .bg-slate-950 {
  background-color: #F8FAFC !important;
  border-color: #E2E8F0 !important;
}

[data-theme="light"] .bg-slate-800,
[data-theme="light"] .bg-slate-800\/50,
[data-theme="light"] .bg-slate-800\/60,
[data-theme="light"] .bg-slate-800\/70,
[data-theme="light"] .bg-slate-800\/80,
[data-theme="light"] .bg-slate-800\/90,
.light .bg-slate-800,
.light .bg-slate-800\/50,
.light .bg-slate-800\/60,
.light .bg-slate-800\/70,
.light .bg-slate-800\/80,
.light .bg-slate-800\/90 {
  background-color: #F1F5F9 !important;
  border-color: #CBD5E1 !important;
  color: #0F172A !important;
}

[data-theme="light"] .bg-slate-750,
[data-theme="light"] .hover\:bg-slate-750:hover,
.light .bg-slate-750,
.light .hover\:bg-slate-750:hover {
  background-color: #E2E8F0 !important;
}

[data-theme="light"] .border-slate-800,
[data-theme="light"] .border-slate-800\/80,
[data-theme="light"] .border-slate-800\/60,
[data-theme="light"] .border-slate-800\/40,
[data-theme="light"] .border-slate-700,
[data-theme="light"] .border-slate-700\/80,
.light .border-slate-800,
.light .border-slate-800\/80,
.light .border-slate-800\/60,
.light .border-slate-800\/40,
.light .border-slate-700,
.light .border-slate-700\/80 {
  border-color: #E2E8F0 !important;
}

[data-theme="light"] .text-slate-100,
[data-theme="light"] .text-slate-200,
.light .text-slate-100,
.light .text-slate-200 {
  color: #0F172A !important;
}

[data-theme="light"] .text-slate-300,
.light .text-slate-300 {
  color: #334155 !important;
}

[data-theme="light"] .text-slate-400,
.light .text-slate-400 {
  color: #475569 !important;
}

[data-theme="light"] .text-slate-500,
.light .text-slate-500 {
  color: #64748B !important;
}

/* Light Theme Header */
[data-theme="light"] header.bg-gradient-to-b,
.light header.bg-gradient-to-b {
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%) !important;
  border-color: #E2E8F0 !important;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .banner-badge,
.light .banner-badge {
  background-color: #FFFFFF !important;
  border-color: #CBD5E1 !important;
  color: #1E293B !important;
}

/* Light Theme Navigation */
[data-theme="light"] #top-nav,
.light #top-nav {
  background-color: rgba(255, 255, 255, 0.92) !important;
  border-color: #E2E8F0 !important;
}

[data-theme="light"] .nav-tab-btn,
.light .nav-tab-btn {
  background-color: #F1F5F9 !important;
  border-color: #E2E8F0 !important;
  color: #475569 !important;
}

[data-theme="light"] .nav-tab-btn:hover,
.light .nav-tab-btn:hover {
  background-color: #EEF2FF !important;
  border-color: #C7D2FE !important;
  color: #4F46E5 !important;
}

[data-theme="light"] .nav-tab-btn.active,
.light .nav-tab-btn.active {
  background-color: #4F46E5 !important;
  border-color: #4F46E5 !important;
  color: #FFFFFF !important;
}

/* Light Theme Tables */
[data-theme="light"] table,
.light table {
  color: #0F172A !important;
}

[data-theme="light"] table thead,
[data-theme="light"] table thead tr,
.light table thead,
.light table thead tr {
  background-color: #F1F5F9 !important;
  color: #0F172A !important;
}

[data-theme="light"] table tbody tr,
.light table tbody tr {
  background-color: #FFFFFF !important;
  border-color: #E2E8F0 !important;
}

[data-theme="light"] table tbody tr:nth-child(even),
.light table tbody tr:nth-child(even) {
  background-color: #F8FAFC !important;
}

[data-theme="light"] table tbody tr:hover,
.light table tbody tr:hover {
  background-color: #EEF2FF !important;
}

/* Light Theme Inputs, Selects & Search */
[data-theme="light"] input[type="text"],
[data-theme="light"] input[type="search"],
[data-theme="light"] select,
.light input[type="text"],
.light input[type="search"],
.light select {
  background-color: #FFFFFF !important;
  border-color: #CBD5E1 !important;
  color: #0F172A !important;
}

[data-theme="light"] .filter-pill,
.light .filter-pill {
  background-color: #F1F5F9 !important;
  border-color: #CBD5E1 !important;
  color: #475569 !important;
}

[data-theme="light"] .filter-pill.active,
.light .filter-pill.active {
  background-color: #4F46E5 !important;
  border-color: #4F46E5 !important;
  color: #FFFFFF !important;
}

/* Light Theme BibTeX & Code Blocks */
[data-theme="light"] .bibtex-box,
[data-theme="light"] pre,
.light .bibtex-box,
.light pre {
  background-color: #F8FAFC !important;
  border-color: #E2E8F0 !important;
  color: #0F172A !important;
}

[data-theme="light"] .bibtex-box code,
[data-theme="light"] pre code,
.light .bibtex-box code,
.light pre code {
  color: #0F172A !important;
}

/* Light Theme Audio / Waveform Cards */
[data-theme="light"] #player-gt,
[data-theme="light"] #player-m1,
[data-theme="light"] #player-m2,
.light #player-gt,
.light #player-m1,
.light #player-m2 {
  background-color: #FFFFFF !important;
  border-color: #E2E8F0 !important;
}

[data-theme="light"] .waveform-container,
.light .waveform-container {
  background-color: #F8FAFC !important;
  border-color: #E2E8F0 !important;
}

/* Light Theme KPI Cards */
[data-theme="light"] .kpi-card-indigo,
.light .kpi-card-indigo {
  background: #EEF2FF !important;
  border-color: #C7D2FE !important;
}
[data-theme="light"] .kpi-card-indigo:hover,
.light .kpi-card-indigo:hover {
  border-color: #6366F1 !important;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}
[data-theme="light"] .kpi-card-indigo .kpi-title,
.light .kpi-card-indigo .kpi-title { color: #4338CA !important; }
[data-theme="light"] .kpi-card-indigo .kpi-val,
.light .kpi-card-indigo .kpi-val { color: #3730A3 !important; }
[data-theme="light"] .kpi-card-indigo .kpi-sub,
.light .kpi-card-indigo .kpi-sub { color: #4F46E5 !important; opacity: 0.9; }

[data-theme="light"] .kpi-card-cyan,
.light .kpi-card-cyan {
  background: #ECFEFF !important;
  border-color: #A5F3FC !important;
}
[data-theme="light"] .kpi-card-cyan:hover,
.light .kpi-card-cyan:hover {
  border-color: #06B6D4 !important;
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.15);
}
[data-theme="light"] .kpi-card-cyan .kpi-title,
.light .kpi-card-cyan .kpi-title { color: #0E7490 !important; }
[data-theme="light"] .kpi-card-cyan .kpi-val,
.light .kpi-card-cyan .kpi-val { color: #155E75 !important; }
[data-theme="light"] .kpi-card-cyan .kpi-sub,
.light .kpi-card-cyan .kpi-sub { color: #0891B2 !important; opacity: 0.9; }

[data-theme="light"] .kpi-card-emerald,
.light .kpi-card-emerald {
  background: #F0FDF4 !important;
  border-color: #BBF7D0 !important;
}
[data-theme="light"] .kpi-card-emerald:hover,
.light .kpi-card-emerald:hover {
  border-color: #10B981 !important;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.15);
}
[data-theme="light"] .kpi-card-emerald .kpi-title,
.light .kpi-card-emerald .kpi-title { color: #15803D !important; }
[data-theme="light"] .kpi-card-emerald .kpi-val,
.light .kpi-card-emerald .kpi-val { color: #166534 !important; }
[data-theme="light"] .kpi-card-emerald .kpi-sub,
.light .kpi-card-emerald .kpi-sub { color: #16A34A !important; opacity: 0.9; }

[data-theme="light"] .kpi-card-amber,
.light .kpi-card-amber {
  background: #FFFBEB !important;
  border-color: #FDE68A !important;
}
[data-theme="light"] .kpi-card-amber:hover,
.light .kpi-card-amber:hover {
  border-color: #F59E0B !important;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.15);
}
[data-theme="light"] .kpi-card-amber .kpi-title,
.light .kpi-card-amber .kpi-title { color: #B45309 !important; }
[data-theme="light"] .kpi-card-amber .kpi-val,
.light .kpi-card-amber .kpi-val { color: #92400E !important; }
[data-theme="light"] .kpi-card-amber .kpi-sub,
.light .kpi-card-amber .kpi-sub { color: #D97706 !important; opacity: 0.9; }

[data-theme="light"] .kpi-card-rose,
.light .kpi-card-rose {
  background: #FFF1F2 !important;
  border-color: #FECDD3 !important;
}
[data-theme="light"] .kpi-card-rose:hover,
.light .kpi-card-rose:hover {
  border-color: #F43F5E !important;
  box-shadow: 0 4px 12px rgba(244, 63, 94, 0.15);
}
[data-theme="light"] .kpi-card-rose .kpi-title,
.light .kpi-card-rose .kpi-title { color: #BE123C !important; }
[data-theme="light"] .kpi-card-rose .kpi-val,
.light .kpi-card-rose .kpi-val { color: #9F1239 !important; }
[data-theme="light"] .kpi-card-rose .kpi-sub,
.light .kpi-card-rose .kpi-sub { color: #E11D48 !important; opacity: 0.9; }

/* ── Print Styles ────────────────────────────────────────────────────────── */
@media print {
  #prism-accessibility-toolbar, .nav-tab-btn, .col-customizer, button {
    display: none !important;
  }
  body {
    background: #FFF !important;
    color: #000 !important;
  }
}