:root {
  --color-primary: #8b5cf6;
  --color-secondary: #6366f1;
  --color-accent: #06b6d4;
  --color-background: #0a0a0a;
  --color-foreground: #f4f4f5;
  --color-surface: color-mix(in srgb, var(--color-background) 92%, var(--color-foreground) 8%);
  --color-muted: color-mix(in srgb, var(--color-foreground) 50%, var(--color-background) 50%);
  --color-border: color-mix(in srgb, var(--color-foreground) 15%, var(--color-background) 85%);
  --color-on-primary: var(--color-background);
  --font-headline: 'Inter', system-ui, sans-serif;
  --font-headline-weight: 700;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-body-weight: 400;
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-full: 9999px;
  --duration-fast: 150ms;
  --duration-normal: 200ms;
  --duration-slow: 300ms;
  --easing-default: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.55);
  color-scheme: dark;
}