:root {
  /* Core Color Palette - Obsidian Dark Theme */
  --bg-body: #07090e;
  --bg-surface: #0e131f;
  --bg-card: rgba(17, 24, 39, 0.72);
  --bg-card-hover: rgba(26, 36, 56, 0.85);
  --bg-elevated: #161e31;
  --bg-input: rgba(13, 19, 32, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.03);

  /* Borders & Dividers */
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-medium: rgba(255, 255, 255, 0.12);
  --border-strong: rgba(255, 255, 255, 0.2);

  /* Primary Accent & Brand */
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-light: #818cf8;
  --primary-glow: rgba(99, 102, 241, 0.25);
  --accent-cyan: #06b6d4;
  --accent-cyan-glow: rgba(6, 182, 212, 0.2);

  /* Semantic Feedback Colors */
  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.2);
  --success-surface: rgba(16, 185, 129, 0.12);
  
  --danger: #ef4444;
  --danger-glow: rgba(239, 68, 68, 0.2);
  --danger-surface: rgba(239, 68, 68, 0.12);

  --warning: #f59e0b;
  --warning-surface: rgba(245, 158, 11, 0.12);

  --info: #3b82f6;
  --info-surface: rgba(59, 130, 246, 0.12);

  /* Text & Typography */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --text-inverse: #020617;

  /* Typography Stacks */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

  /* Elevations & Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 24px var(--primary-glow);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 350ms cubic-bezier(0.34, 1.56, 0.64, 1);

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