:root {
  /* Backgrounds */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a2e;
  --bg-accent: #16213e;

  /* Brand Colors */
  --brand-primary: #6366f1;
  --brand-primary-hover: #818cf8;
  --brand-secondary: #06b6d4;
  --brand-gradient: linear-gradient(135deg, #6366f1, #06b6d4);

  /* Score Colors */
  --score-critical: #ef4444;
  --score-poor: #f59e0b;
  --score-good: #22c55e;
  --score-excellent: #06b6d4;

  /* Text */
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Borders */
  --border-default: #1e293b;
  --border-hover: #334155;

  /* Shadows / Glows */
  --glow-primary: 0 0 20px rgba(99, 102, 241, 0.3);
  --glow-cyan: 0 0 20px rgba(6, 182, 212, 0.3);

  /* Typography */
  --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  /* Spacing (4px grid) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Max widths */
  --max-w-content: 1200px;
  --max-w-narrow: 800px;
  --max-w-form: 560px;
}