/* Brand tokens for printable artifact pages (badges.html, certificates.html).
   Single source of truth — sampled from logo.png and verified against the
   institutional brand palette. styles.css uses its own --zu-* / --ct-*
   namespaces; these short names exist for the standalone artifact pages
   that need a small, self-describing palette without pulling in the full
   app stylesheet. */
:root {
  --blue: #1e40af;
  --blue-dark: #172554;
  --crimson: #991b1b;
  --gold: #eab308;
  --ink: #0f172a;
  --muted: #475569;
  --border: #cbd5e1;
  --paper: #ffffff;
  --bg: #f1f5f9;
}