/* Map viewer. Tokens: design-system/route-maps/MASTER.md (+ pages/viewer.md). */

@font-face {
  font-family: "Inter";
  src: url("vendor/fonts/inter-latin-wght-normal.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --color-primary: #2563eb;
  --color-on-primary: #ffffff;
  --color-secondary: #059669;
  --color-on-secondary: #000000;
  --color-accent: #dc2626;
  --color-on-accent: #ffffff;
  --color-background: #f0f9ff;
  --color-foreground: #0f172a;
  --color-card: #ffffff;
  --color-card-foreground: #0f172a;
  --color-muted: #f1f5fd;
  --color-muted-foreground: #475569;
  --color-border: #e4ecfc;
  --color-destructive: #dc2626;
  --color-ring: #2563eb;

  /* Viewer additions (pages/viewer.md). */
  --color-input-border: #8492a6;      /* 3.2:1 on white: visible field boundaries */
  --color-selected: #dbeafe;
  --color-marker-origin: #047857;     /* white text 5.5:1 */
  --color-marker-stop: var(--color-primary);
  --color-marker-destination: var(--color-accent);
  --color-marker-place: #0f172a;
  --color-marker-text: #ffffff;
  --color-route: var(--color-primary);
  --color-route-alternative: #7fa3e8;
  --color-route-casing: #ffffff;
  --color-notice: #0f172a;
  --color-on-notice: #ffffff;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 4px 6px rgba(15, 23, 42, 0.1);
  --shadow-lg: 0 10px 15px rgba(15, 23, 42, 0.12);
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --transition-fast: 150ms ease;
  --panel-width: 380px;
  --z-listbox: 20;
  --z-notice: 10;
}

@media (prefers-reduced-motion: reduce) {
  :root { --transition-fast: 0ms; }
}

* { box-sizing: border-box; }

/* Components set their own display; the hidden attribute must still win. */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  height: 100%;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  color: var(--color-foreground);
  background: var(--color-background);
}

body { display: flex; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: var(--space-sm);
  top: -48px;
  z-index: 100;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: var(--color-on-primary);
}
.skip-link:focus { top: var(--space-sm); }

:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: 2px;
}

.icon {
  width: 20px;
  height: 20px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ---------------------------------------------------------------- layout */

.panel {
  width: var(--panel-width);
  max-width: 45vw;
  height: 100%;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-card);
  border-right: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  z-index: 1;
}

.map { flex: 1; height: 100%; }
.map:focus-visible { outline-offset: -3px; }

.panel__header { display: flex; align-items: center; justify-content: space-between; }
.brand { margin: 0; font-size: 18px; font-weight: 700; letter-spacing: -0.01em; }
.section-title { margin: 0; font-size: 16px; font-weight: 600; }

.panel__footer {
  margin-top: auto;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
  font-size: 13px;
}
.panel__footer a { color: var(--color-primary); }

.hint { margin: 0; font-size: 13px; color: var(--color-muted-foreground); }

/* ---------------------------------------------------------------- controls */

.input {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  font: inherit;
  font-size: 16px;
  color: var(--color-foreground);
  background: var(--color-card);
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.input::placeholder { color: var(--color-muted-foreground); }
.input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-selected); }
.input--search { padding-left: 40px; }
.input::-webkit-search-cancel-button { cursor: pointer; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  min-height: 40px;
  padding: 8px 14px;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast),
    color var(--transition-fast);
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn--primary { background: var(--color-primary); color: var(--color-on-primary); }
.btn--primary:hover:not(:disabled) { background: var(--color-foreground); }
.btn--secondary { background: var(--color-card); color: var(--color-primary); border-color: var(--color-primary); }
.btn--secondary:hover:not(:disabled) { background: var(--color-selected); }
.btn--ghost { background: transparent; color: var(--color-primary); padding-left: 8px; padding-right: 8px; }
.btn--ghost:hover:not(:disabled) { background: var(--color-muted); }
.btn .icon { width: 18px; height: 18px; }

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  padding: 0;
  color: var(--color-muted-foreground);
  background: transparent;
  border: 0;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
.icon-button:hover:not(:disabled) { background: var(--color-muted); color: var(--color-foreground); }
.icon-button:disabled { opacity: 0.35; cursor: not-allowed; }
.icon-button--filled { width: 44px; height: 44px; background: var(--color-primary); color: var(--color-on-primary); }
.icon-button--filled:hover:not(:disabled) { background: var(--color-foreground); color: var(--color-on-primary); }

.actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); }

.card {
  padding: var(--space-md);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

/* ---------------------------------------------------------------- search (combobox) */

.search { display: flex; gap: var(--space-sm); align-items: flex-start; }

.combobox { position: relative; flex: 1; min-width: 0; }
.combobox__icon {
  position: absolute;
  left: 12px;
  top: 12px;
  color: var(--color-muted-foreground);
  pointer-events: none;
}

.listbox {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 4px);
  z-index: var(--z-listbox);
  max-height: 340px;
  margin: 0;
  padding: var(--space-xs) 0;
  overflow-y: auto;
  list-style: none;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.option {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  min-height: 44px;
  padding: 8px 12px;
  cursor: pointer;
}
.option[aria-selected="true"], .option:hover { background: var(--color-selected); }
.option .icon { margin-top: 2px; color: var(--color-muted-foreground); }
.option__text { min-width: 0; }
.option__name { display: block; font-weight: 600; overflow-wrap: anywhere; }
.option__detail { display: block; font-size: 13px; color: var(--color-muted-foreground); overflow-wrap: anywhere; }
.option--info { cursor: default; color: var(--color-muted-foreground); font-size: 14px; }
.option--info:hover { background: transparent; }

/* ---------------------------------------------------------------- place card */

.place-card { display: flex; flex-direction: column; gap: var(--space-sm); }
.place-card__header { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-sm); }
.place-card__title { margin: 0; font-size: 18px; font-weight: 700; overflow-wrap: anywhere; }
.place-card__detail { margin: 0; font-size: 14px; color: var(--color-muted-foreground); overflow-wrap: anywhere; }

/* ---------------------------------------------------------------- directions */

.directions { display: flex; flex-direction: column; gap: var(--space-md); }
.directions__header { display: flex; align-items: center; justify-content: space-between; }

.profiles {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-xs);
  margin: 0;
  padding: var(--space-xs);
  min-width: 0;
  background: var(--color-muted);
  border: 0;
  border-radius: var(--radius-md);
}
.profile {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  min-height: 52px;
  padding: 6px 2px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-muted-foreground);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
.profile:hover { color: var(--color-foreground); background: var(--color-card); }
.profile:has(input:checked) { background: var(--color-primary); color: var(--color-on-primary); }
.profile:has(input:focus-visible) { outline: 2px solid var(--color-ring); outline-offset: 2px; }

.stops { display: flex; flex-direction: column; gap: var(--space-sm); margin: 0; padding: 0; list-style: none; }
.stop {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}
.stop--active { background: var(--color-muted); border-color: var(--color-primary); }
/* Suggestions of a stop span the whole row, not only its narrow field. */
.stop { position: relative; }
.stop .combobox { position: static; }
.stop__badge {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-marker-text);
  background: var(--color-marker-stop);
  border-radius: 50%;
}
.stop__badge--origin { background: var(--color-marker-origin); }
.stop__badge--destination { background: var(--color-marker-destination); }
.stop__actions { display: flex; }
.stop__actions .icon-button { width: 32px; height: 32px; }
.stop__actions .icon { width: 18px; height: 18px; }
.stop .input { min-height: 40px; padding: 8px 10px; }

.stops__toolbar { display: flex; justify-content: space-between; gap: var(--space-sm); margin-top: calc(var(--space-sm) * -1); }

.status { font-size: 14px; min-height: 1.5em; }
.status--error { color: var(--color-destructive); }

.routes { margin: 0; padding: 0; min-width: 0; border: 0; }
.routes__list { display: flex; flex-direction: column; gap: var(--space-sm); }
.route-option {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px var(--space-sm);
  padding: 10px 12px;
  color: var(--color-foreground);
  background: var(--color-card);
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}
.route-option:hover { border-color: var(--color-primary); }
.route-option:has(input:checked) { background: var(--color-selected); border-color: var(--color-primary); }
.route-option:has(input:focus-visible) { outline: 2px solid var(--color-ring); outline-offset: 2px; }
.route-option__time { font-size: 17px; font-weight: 700; font-variant-numeric: tabular-nums; }
.route-option__distance { align-self: center; font-variant-numeric: tabular-nums; color: var(--color-muted-foreground); }
.route-option__label { grid-column: 1 / -1; font-size: 13px; color: var(--color-muted-foreground); }

.steps summary { cursor: pointer; font-weight: 600; font-size: 14px; padding: var(--space-xs) 0; }
.steps__list { margin: var(--space-sm) 0 0; padding-left: 20px; font-size: 13px; color: var(--color-muted-foreground); }
.steps__list li { margin: 4px 0; }
.steps__list .step__distance { font-variant-numeric: tabular-nums; white-space: nowrap; }

/* ---------------------------------------------------------------- coverage */

.coverage summary { cursor: pointer; font-weight: 600; font-size: 14px; }
.coverage__list { margin: var(--space-sm) 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 2px; }
.coverage__item {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  width: 100%;
  min-height: 40px;
  padding: 8px 10px;
  font: inherit;
  font-size: 14px;
  text-align: left;
  color: var(--color-foreground);
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.coverage__item:hover { background: var(--color-muted); }
.coverage__meta { color: var(--color-muted-foreground); font-size: 13px; white-space: nowrap; }

/* ---------------------------------------------------------------- map overlays */

.map-notice {
  position: fixed;
  left: calc(var(--panel-width) + (100vw - var(--panel-width)) / 2);
  bottom: 40px;
  transform: translateX(-50%);
  z-index: var(--z-notice);
  max-width: min(520px, 90vw);
  padding: 10px 14px;
  font-size: 14px;
  color: var(--color-on-notice);
  background: var(--color-notice);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.marker {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  font: 700 13px/1 var(--font-sans);
  color: var(--color-marker-text);
  background: var(--color-marker-stop);
  border: 2px solid var(--color-marker-text);
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  box-shadow: var(--shadow-md);
  cursor: grab;
}
.marker > span { transform: rotate(45deg); }
.marker--origin { background: var(--color-marker-origin); }
.marker--destination { background: var(--color-marker-destination); }
.marker--place { background: var(--color-marker-place); cursor: default; }

/* ---------------------------------------------------------------- small screens */

@media (max-width: 767px) {
  body { flex-direction: column-reverse; }
  .panel {
    width: 100%;
    max-width: none;
    height: 50%;
    border-right: 0;
    border-top: 1px solid var(--color-border);
    padding: var(--space-sm) var(--space-md) var(--space-md);
  }
  .map { height: 50%; flex: none; }
  .map-notice { left: 50%; top: var(--space-md); bottom: auto; }
  .profile { font-size: 11px; }
}