:root {
  /* Base palette */
  --theme-color-bg: #f5f5f5;
  --theme-color-node: #555555;
  --theme-color-text: #111111;
  --theme-color-band: #7a7979;
  --theme-color-accent: #1f6feb;
  --theme-color-magnifier-stroke: #000000;

  /* Type */
  --theme-font-body: 'Montserrat', sans-serif;
  --theme-font-label: 'Montserrat', sans-serif;
  --theme-font-magnifier: 'Montserrat', sans-serif;
  /* Detail sector content font — override per theme for volumes that use a
     different typeface inside the expanded Detail Sector (e.g. Bible → serif). */
  --theme-font-detail: var(--theme-font-body);

  /* Spacing */
  --theme-space-2xs: 4px;
  --theme-space-xs: 6px;
  --theme-space-sm: 8px;
  --theme-space-md: 12px;
  --theme-space-lg: 16px;
  --theme-space-xl: 20px;
  --theme-space-2xl: 24px;

  /* Radii and strokes */
  --theme-radius-node: 12px;
  --theme-radius-panel: 14px;
  --theme-radius-card: 10px;
  --theme-stroke-node: 1px;

  /* Motion tokens */
  --theme-motion-duration-fast: 120ms;
  --theme-motion-duration-medium: 200ms;
  --theme-motion-duration-slow: 320ms;
  --theme-motion-ease: cubic-bezier(0.33, 1, 0.68, 1);
}