:root {
  /* Color palette */
  --primary-color: #2563eb;
  --primary-color-dark: #1d4ed8;
  --secondary-color: #64748b;
  --success-color: #22c55e;
  --error-color: #ef4444;
  --warning-color: #f59e0b;
  --info-color: #3b82f6;

  /* Light theme (default) */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-on-primary: #ffffff;
  --border-color: #e2e8f0;
  --shadow-color: rgba(0, 0, 0, 0.1);

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;

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

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

/* Dark theme */
[data-theme="dark"] {
  --bg-primary: #1e293b;
  --bg-secondary: #0f172a;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-on-primary: #ffffff;
  --border-color: #334155;
  --shadow-color: rgba(0, 0, 0, 0.3);
}
