/* ==========================================================================
   Linh Hua: course identity registry.
   Pages mark an element with data-identity (and optionally
   data-identity-secondary); the element and its contents get two colours
   per identity, for light and dark themes:
     --id-fill    bars and swatches       (>= 3:1 against the track and panel)
     --id-strong  filled marks carrying a white check (>= 4.5:1 with white)
   plus --id2-fill / --id2-strong for the secondary.
   No identity, or a name not listed here, keeps the neutral palette; no
   secondary, or an unknown one, repeats the primary. The database stores only
   these token names, never colours. New names are added here, after a
   contrast check, before any course uses them.
   ========================================================================== */

/* Neutral (no identity or an unknown one): the site's muted inks */
:root {
  --id-fill: #565c70;
  --id-strong: #565c70;
}

:root[data-theme="dark"] {
  --id-fill: #9096ab;
  --id-strong: #62687e;
}

/* Without a known secondary, the secondary repeats this element's primary */
[data-identity] {
  --id2-fill: var(--id-fill);
  --id2-strong: var(--id-strong);
}

/* violet */
[data-identity="violet"] {
  --id-fill: #5d3ff6;
  --id-strong: #5d3ff6;
}

:root[data-theme="dark"] [data-identity="violet"] {
  --id-fill: #7c5dff;
  --id-strong: #6c5ef5;
}

[data-identity-secondary="violet"] {
  --id2-fill: #5d3ff6;
  --id2-strong: #5d3ff6;
}

:root[data-theme="dark"] [data-identity-secondary="violet"] {
  --id2-fill: #7c5dff;
  --id2-strong: #6c5ef5;
}

/* cobalt */
[data-identity="cobalt"] {
  --id-fill: #2141d0;
  --id-strong: #2141d0;
}

/* Dark fill is a step lighter than the strong #3a5cff so bars keep >= 3:1
   against the dark track (3.1:1; #3a5cff would be 2.7:1). */
:root[data-theme="dark"] [data-identity="cobalt"] {
  --id-fill: #4a68ff;
  --id-strong: #3a5cff;
}

[data-identity-secondary="cobalt"] {
  --id2-fill: #2141d0;
  --id2-strong: #2141d0;
}

:root[data-theme="dark"] [data-identity-secondary="cobalt"] {
  --id2-fill: #4a68ff;
  --id2-strong: #3a5cff;
}