:root{
  /* base */
  --ink-900:#070B14;--ink-800:#0C1220;--ink-700:#141B27;
  --plate-100:#F3F4F2;--plate-200:#E8EAE7;--plate-300:#D3D7D2;
  --sodium:#FFA83A;--sodium-dim:#C97F22;
  --cyan-shadow:#2E7F8C;--cyan-lift:#5FB8C7;
  --chalk:#C9D1D9;
  --danger:#E5484D;--success:#3DA35D;

  /* semantic: rendered (ink) surface */
  --fg-on-ink:#EDF1F5;--fg-on-ink-muted:#8D9AAB;
  --surface-ink:var(--ink-900);--surface-panel:var(--ink-700);
  --line-on-ink:rgba(237,241,245,.10);

  /* semantic: unrendered (plate) surface */
  --fg-on-plate:#0E1420;--fg-on-plate-muted:#5A6472;
  --surface-plate:var(--plate-200);
  --line-on-plate:rgba(14,20,32,.14);

  /* semantic: accents */
  --accent-warm:var(--sodium);--accent-warm-text-safe:var(--sodium-dim);
  --accent-cool:var(--cyan-shadow);--accent-cool-text-safe:var(--cyan-lift);
  --focus-ring:var(--sodium);
}