:root {
  --radius-window: 24px;
  --radius-card: 16px;
  --radius-el: 10px;
  --radius-pill: 999px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --container: 1200px;
  --header-h: 64px;

  --ease: cubic-bezier(.22, .61, .36, 1);
  --dur-fast: 160ms;
  --dur: 240ms;
  --dur-slow: 320ms;
  --reveal-delay: 0ms;

  --grad-accent: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);

  --bg: #f0f4f8;
  --bg-glow-1: #bfdbfe;
  --bg-glow-2: #e0e7ff;

  --surface: rgba(255, 255, 255, .72);
  --surface-solid: #ffffff;
  --surface-2: rgba(255, 255, 255, .5);
  --surface-hover: rgba(255, 255, 255, .88);

  --glass-bg: rgba(255, 255, 255, .72);
  --glass-border: rgba(255, 255, 255, .6);
  --glass-blur: 20px;
  --inset-highlight: inset 0 1px 0 rgba(255, 255, 255, .7);

  --text: #0f172a;
  --text-muted: #5b6b7f;

  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-solid: #2563eb;
  --accent-solid-hover: #1d4ed8;
  --accent-text: #2563eb;
  --accent-soft: #eff6ff;
  --accent-glow: rgba(37, 99, 235, .28);

  --success: #059669;
  --success-ring: rgba(5, 150, 105, .18);
  --warning: #d97706;
  --info: #0891b2;
  --danger: #dc2626;

  --border: #e2e8f0;
  --border-hover: #cbd5e1;

  --shadow: 0 4px 20px rgba(0, 0, 0, .06);
  --shadow-lifted: 0 8px 30px rgba(0, 0, 0, .1);
  --shadow-window: 0 25px 60px rgba(0, 0, 0, .12);
  --glow-primary: 0 4px 15px rgba(37, 99, 235, .2);
}

[data-theme="dark"] {
  --bg: #0a0e27;
  --bg-glow-1: #1e3a8a;
  --bg-glow-2: #4c1d95;

  --surface: rgba(30, 41, 59, .6);
  --surface-solid: #0f172a;
  --surface-2: rgba(30, 41, 59, .5);
  --surface-hover: rgba(39, 53, 72, .75);

  --glass-bg: rgba(30, 41, 59, .6);
  --glass-border: rgba(255, 255, 255, .08);
  --inset-highlight: inset 0 1px 0 rgba(255, 255, 255, .06);

  --text: #f8fafc;
  --text-muted: #94a3b8;

  --accent: #3b82f6;
  --accent-hover: #60a5fa;
  --accent-solid: #2563eb;
  --accent-solid-hover: #1d4ed8;
  --accent-text: #60a5fa;
  --accent-soft: rgba(59, 130, 246, .14);
  --accent-glow: rgba(59, 130, 246, .35);

  --success: #10b981;
  --success-ring: rgba(16, 185, 129, .18);
  --warning: #f59e0b;
  --info: #06b6d4;
  --danger: #ef4444;

  --border: rgba(255, 255, 255, .08);
  --border-hover: rgba(255, 255, 255, .15);

  --shadow: 0 4px 20px rgba(0, 0, 0, .3);
  --shadow-lifted: 0 4px 20px rgba(0, 0, 0, .3);
  --shadow-window: 0 25px 60px rgba(0, 0, 0, .5);
  --glow-primary: 0 0 20px rgba(59, 130, 246, .3);
}