/* SONORA Design System Tokens */
:root {
  /* Color Palette - Deep Obsidian & Cosmic Tones */
  --bg-app: #08080c;
  --bg-primary: #0d0d14;
  --bg-secondary: #13131e;
  --bg-elevated: #1a1a2b;
  --bg-glass: rgba(255, 255, 255, 0.035);
  --bg-glass-active: rgba(255, 255, 255, 0.07);
  --bg-surface-hover: rgba(255, 255, 255, 0.05);

  /* Borders & Dividers */
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.14);
  --border-glow: rgba(139, 92, 246, 0.35);

  /* Dynamic Contextual Accent (Updated dynamically from album artwork) */
  --accent-dynamic: #8b5cf6;
  --accent-dynamic-glow: rgba(139, 92, 246, 0.3);
  --accent-cyan: #06b6d4;
  --accent-pink: #ec4899;
  --accent-amber: #f59e0b;
  --accent-emerald: #10b981;

  /* Typography */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Text Colors */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-dim: #475569;

  /* Shadows & Depth */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.55);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.7);
  --shadow-artwork: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 40px var(--accent-dynamic-glow);

  /* Border Radii */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Transitions & Motion */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 400ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout Measurements */
  --sidebar-width: 260px;
  --mini-player-height: 84px;
  --header-height: 72px;
  --mobile-nav-height: 68px;

  /* Z-Index Hierarchy */
  --z-base: 1;
  --z-header: 10;
  --z-sidebar: 20;
  --z-mini-player: 30;
  --z-modal: 50;
  --z-full-player: 60;
  --z-story: 70;
  --z-toast: 100;
}