:root {
  /* Colors — Dark (original tn42 theme, punched up) */
  --color-primary: #38bdf8;
  --color-primary-hover: #7dd3fc;
  --color-success: #34d399;
  --color-warning: #fbbf24;
  --color-danger: #f87171;
  --color-info: #38bdf8;
  --color-text: #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-text-inverse: #020617;
  --color-bg: #020617;
  --color-surface: #0f172a;
  --color-border: #1e293b;
  --color-nav: #0f172a;
  --color-submitted: #5b7380;
  --color-accent: #a78bfa;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;

  /* Typography */
  --font-sans: system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: ui-monospace, monospace;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;

  /* Borders */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgb(0 0 0 / 40%);
  --shadow-md: 0 4px 12px rgb(0 0 0 / 50%);
}

/* Light mode */
[data-theme='light'] {
  --color-primary: #0369a1;
  --color-primary-hover: #0284c7;
  --color-accent: #7c3aed;
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-text-inverse: #fff;
  --color-bg: #f8fafc;
  --color-surface: #fff;
  --color-border: #e2e8f0;
  --color-nav: #fff;
  --color-submitted: #5b7380;
  --shadow-sm: 0 1px 2px rgb(0 0 0 / 5%);
  --shadow-md: 0 4px 6px rgb(0 0 0 / 7%);
}