/* ==========================================================================
   Album XX: Pleonexia (The Acoustic Architecture of Infinite Accumulation)
   The Shady River Bard - Interactive Experience & Jukebox Stylesheet
   ========================================================================== */

:root {
  --bg-primary: #06080d;
  --bg-secondary: #0c1018;
  --bg-tertiary: #131924;
  --bg-card: rgba(12, 16, 24, 0.88);
  --bg-card-hover: rgba(19, 25, 36, 0.95);
  --bg-glass: rgba(8, 11, 17, 0.85);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-highlight: #38bdf8;

  --ice-primary: #0284c7;
  --ice-glow: #38bdf8;
  --ice-light: #bae6fd;
  --ice-dark: #0369a1;

  --rust-primary: #dc2626;
  --rust-glow: #ef4444;
  --rust-dark: #991b1b;

  --mars-primary: #ea580c;
  --mars-glow: #f97316;

  --bone-primary: #e2e8f0;
  --bone-muted: #cbd5e1;

  --slate-dark: #0f172a;
  --slate-border: #1e293b;
  --slate-light: #334155;

  --font-display: 'Cinzel', Georgia, serif;
  --font-body: 'Lora', Georgia, serif;
  --font-mono: 'JetBrains Mono', monospace;

  --shadow-ice: 0 0 25px rgba(56, 189, 248, 0.22);
  --shadow-rust: 0 0 25px rgba(220, 38, 38, 0.25);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  --transition-fast: 0.18s ease;
  --transition-normal: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Accessibility Overrides */
body.high-contrast {
  --bg-primary: #000000;
  --bg-secondary: #050505;
  --bg-tertiary: #111111;
  --bg-card: #000000;
  --text-primary: #ffffff;
  --text-secondary: #e2e8f0;
  --text-muted: #cbd5e1;
  --ice-glow: #00ffff;
  --rust-glow: #ff3333;
  --slate-border: #ffffff;
}

body.large-font {
  font-size: 118%;
}

body.underline-links a {
  text-decoration: underline !important;
}

body.reduced-motion * {
  animation: none !important;
  transition: none !important;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 12% 8%, rgba(2, 132, 199, 0.05) 0%, transparent 45%),
    radial-gradient(circle at 88% 55%, rgba(220, 38, 38, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 50% 90%, rgba(249, 115, 22, 0.04) 0%, transparent 60%);
  background-attachment: fixed;
}

/* Typography Utilities */
h1, h2, h3, h4, .font-display {
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

.font-mono {
  font-family: var(--font-mono);
}

.font-serif {
  font-family: var(--font-body);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--slate-border);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--ice-dark);
}

/* Skip to Content */
.skip-link {
  position: absolute;
  top: -40px;
  left: 20px;
  background: var(--ice-glow);
  color: #000;
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: bold;
  z-index: 1000;
  transition: top var(--transition-fast);
  border-radius: 0 0 6px 6px;
}
.skip-link:focus {
  top: 0;
}

/* Glass Panels */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--slate-border);
}

.glass-panel-interactive {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--slate-border);
  transition: all var(--transition-normal);
}
.glass-panel-interactive:hover {
  background: var(--bg-card-hover);
  border-color: rgba(56, 189, 248, 0.35);
  box-shadow: var(--shadow-ice);
}

/* Hero Section */
.hero-glow-title {
  text-shadow: 0 0 35px rgba(56, 189, 248, 0.25);
}

.greek-term {
  font-family: 'Times New Roman', Times, serif;
  letter-spacing: 0.08em;
}

.metric-pill {
  border: 1px solid var(--slate-border);
  background: rgba(15, 23, 42, 0.6);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}
.metric-pill:hover {
  border-color: var(--ice-glow);
  background: rgba(15, 23, 42, 0.9);
}

/* Track Row */
.track-row {
  transition: all var(--transition-fast);
}
.track-row.active {
  background: rgba(2, 132, 199, 0.12) !important;
  border-color: rgba(56, 189, 248, 0.45) !important;
}
.track-row.active .track-num {
  color: var(--ice-glow) !important;
  font-weight: bold;
}
.track-row.active .track-title-text {
  color: #ffffff !important;
}

/* Lyrics Display */
.lyrics-text {
  font-family: var(--font-body);
  line-height: 1.85;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Seek Slider */
input[type="range"] {
  accent-color: var(--ice-glow);
}

/* Audio Player Bar */
.sticky-player-bar {
  box-shadow: 0 -8px 25px rgba(0, 0, 0, 0.7);
}

/* Exhibit Cards */
.exhibit-tab-btn.active {
  border-bottom-color: var(--ice-glow) !important;
  color: var(--ice-glow) !important;
  font-weight: 700;
}

/* Animation */
@keyframes pulse-subtle {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}
.animate-pulse-subtle {
  animation: pulse-subtle 2.5s infinite ease-in-out;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .hero-stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}