/* Color schemes. Every section carries exactly one scheme class; children inherit
   text, foreground, border and button colors from it. Never invent new schemes. */
.scheme-1 {
  --color-scheme-background: var(--color-ecru-white-lighter);
  --color-scheme-foreground: var(--color-ecru-white-lightest);
  --color-scheme-text: var(--color-neutral-darkest);
  --color-scheme-accent: var(--color-st-tropaz);
  --color-scheme-border: var(--color-neutral-darkest-15);
  --color-scheme-btn-text: var(--color-white);
  background-color: var(--color-scheme-background);
  color: var(--color-scheme-text);
}

.scheme-2 {
  --color-scheme-background: var(--color-st-tropaz-darkest);
  --color-scheme-foreground: var(--color-st-tropaz-darker);
  --color-scheme-text: var(--color-white);
  --color-scheme-accent: var(--color-white);
  --color-scheme-border: var(--color-white-20);
  --color-scheme-btn-text: var(--color-neutral-darkest);
  background-color: var(--color-scheme-background);
  color: var(--color-scheme-text);
}

.scheme-3 {
  --color-scheme-background: var(--color-st-tropaz-darker);
  --color-scheme-foreground: var(--color-st-tropaz-darkest);
  --color-scheme-text: var(--color-white);
  --color-scheme-accent: var(--color-white);
  --color-scheme-border: var(--color-white-20);
  --color-scheme-btn-text: var(--color-neutral-darkest);
  background-color: var(--color-scheme-background);
  color: var(--color-scheme-text);
}

.scheme-4 {
  --color-scheme-background: var(--color-neutral-lighter);
  --color-scheme-foreground: var(--color-neutral-lightest);
  --color-scheme-text: var(--color-neutral-darkest);
  --color-scheme-accent: var(--color-st-tropaz);
  --color-scheme-border: var(--color-neutral-darkest-15);
  --color-scheme-btn-text: var(--color-white);
  background-color: var(--color-scheme-background);
  color: var(--color-scheme-text);
}

/* `.alternate` marks a dark-on-light inversion for form controls and badges nested
   inside a dark scheme (the source's @custom-variant alternate). */
.alternate {
  --color-scheme-text: var(--color-white);
  --color-scheme-border: var(--color-white-20);
}