/* Design tokens — mirrors app's theme.ts */
:root {
  /* Colors */
  --c-bg: #0A0A0A;
  --c-card: #131313;
  --c-card-border: #242424;
  --c-accent: #C8FF00;
  --c-accent-dim: #9ABF00;
  --c-text: #F2F2F2;
  --c-text-sec: #888888;
  --c-text-muted: #808080;
  --c-success: #00C851;
  --c-danger: #FF4444;

  /* Difficulty colors */
  --c-easy: #00C851;
  --c-good: #C8FF00;
  --c-hard: #FF4444;

  /* Spacing scale */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-xxl: 48px;

  /* Typography */
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'Outfit', sans-serif;
  --font-mono: 'Space Mono', monospace;

  /* Glow shadows */
  --glow-sm: 0 0 8px rgba(200, 255, 0, 0.3), 0 0 16px rgba(200, 255, 0, 0.15);
  --glow-md: 0 0 12px rgba(200, 255, 0, 0.4), 0 0 32px rgba(200, 255, 0, 0.2), 0 0 64px rgba(200, 255, 0, 0.08);
  --glow-lg: 0 0 20px rgba(200, 255, 0, 0.5), 0 0 48px rgba(200, 255, 0, 0.25), 0 0 96px rgba(200, 255, 0, 0.1);

  /* Border radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Nav height */
  --nav-height: 64px;
}