/* AML brand override — re-points High Street brand tokens to
   Alaska Municipal League palette. Keeps Calcite token aliases intact. */

:root {
  /* AML brand palette (observed usage, akml.org) */
  --aml-navy: #3C4981;        /* Deep navy — wordmark + primary chrome */
  --aml-navy-hover: #323D6E;
  --aml-navy-press: #28315B;
  --aml-blue: #1F5BA8;        /* Strong blue — links, CTAs, nodes */
  --aml-blue-hover: #194C8D;
  --aml-blue-press: #143E73;
  --aml-midblue: #63A5DA;     /* Mid blue — supporting / chart accent */
  --aml-pale: #D7E8F5;        /* Pale blue — surface wash */
  --aml-gold: #FFBB4F;        /* Gold — accent, NEVER for text */
  --aml-gold-deep: #E89824;

  /* Re-point High-Street brand aliases used by UI kit components. */
  --brand-strong-blue: var(--aml-navy);
  --brand-medium-blue: var(--aml-blue);
  --brand-medium-blue-hover: var(--aml-blue-hover);
  --brand-medium-blue-press: var(--aml-blue-press);
  --brand-gold: var(--aml-gold);
  --brand-ice-blue: var(--aml-pale);

  --brand-primary: var(--aml-navy);
  --brand-primary-hover: var(--aml-navy-hover);
  --brand-on-primary: #FFFFFF;
  --brand-secondary: var(--aml-blue);
  --brand-secondary-hover: var(--aml-blue-hover);
  --brand-on-secondary: #FFFFFF;
  --brand-accent: var(--aml-gold);
  --brand-on-accent: var(--aml-navy);
  --brand-surface-soft: var(--aml-pale);
  --brand-on-surface-soft: var(--aml-navy);

  /* Re-point Calcite brand tokens so Calcite-authored components
     use AML blue for interaction out of the box. */
  --calcite-color-brand: var(--aml-blue);
  --calcite-color-brand-hover: var(--aml-blue-hover);
  --calcite-color-brand-press: var(--aml-blue-press);
  --calcite-color-brand-underline: rgba(31, 91, 168, 0.4);
  --calcite-color-focus: var(--aml-blue);
  --calcite-color-text-link: var(--aml-blue);
  --calcite-color-text-highlight: var(--aml-navy);
  --calcite-color-surface-highlight: var(--aml-pale);

  /* Categorical palette for mode_dependency_class and tiers.
     Blue-forward per AML guidelines; gold is the single warm accent;
     status red retained only for "unreachable" / air-only critical tier. */
  --cat-road:          #3C4981;  /* navy */
  --cat-road-air:      #1F5BA8;  /* strong blue */
  --cat-road-ferry:    #4A7BA0;  /* navy-blue mix */
  --cat-air-ferry:     #63A5DA;  /* mid blue */
  --cat-ferry-only:    #8FBFE1;  /* lighter mid blue */
  --cat-air-winter:    #FFBB4F;  /* gold */
  --cat-air-only:      #B8443C;  /* muted clay red — status only, not brand */
  --cat-other:         #9E9E9E;

  /* Freight tiers */
  --tier-road:         #3C4981;
  --tier-rail:         #1F5BA8;
  --tier-ferry:        #63A5DA;
  --tier-dock:         #FFBB4F;
  --tier-air-barge:    #B8443C;

  /* Access tiers (hospital/food/education) */
  --tier-good:         #3C4981;
  --tier-moderate:     #63A5DA;
  --tier-poor:         #FFBB4F;
  --tier-unreachable:  #B8443C;
}