:root {
  color-scheme: light dark;
  --bg: Canvas;
  --fg: CanvasText;
  --muted: color-mix(in srgb, CanvasText 72%, Canvas 28%);
  --border: color-mix(in srgb, CanvasText 45%, Canvas 55%);
  --accent: #005fcc;
  --accent-text: #ffffff;
  --surface: color-mix(in srgb, Canvas 92%, CanvasText 8%);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}
* { box-sizing: border-box; }
html { min-block-size: 100%; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  color: var(--fg);
  background: var(--bg);
  max-width: 64rem;
  margin-inline: auto;
  padding: calc(1rem + env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) calc(1rem + env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
}
main { outline: 0; }
.site-header, footer { padding-block: .75rem; }
.app-name { font-size: 1.25rem; font-weight: 750; margin: 0; }
.skip-link {
  position: absolute;
  left: -10000px;
  top: max(.5rem, env(safe-area-inset-top));
  padding: .75rem 1rem;
  background: var(--bg);
  color: var(--fg);
  border: 2px solid currentColor;
}
.skip-link:focus { left: 1rem; z-index: 10; }
h1, h2, h3, p { overflow-wrap: anywhere; }
button {
  font: inherit;
  min-height: 3.25rem;
  min-width: 3.25rem;
  padding: .8rem 1rem;
  border: 2px solid currentColor;
  border-radius: .5rem;
  color: var(--fg);
  background: var(--bg);
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
button:active { transform: translateY(1px); }
button:focus-visible, a:focus-visible, summary:focus-visible {
  outline: .25rem solid Highlight;
  outline-offset: .2rem;
}
.actions { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr)); }
.actions.compact { grid-template-columns: repeat(auto-fit, minmax(min(100%, 10rem), max-content)); align-items: start; }
.primary-action {
  min-height: 7.5rem;
  font-size: 1.35rem;
  font-weight: 750;
  text-align: left;
  background: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
}
.primary-action span { display: block; font-size: .95rem; font-weight: 500; margin-top: .5rem; }
.recommendations { display: grid; gap: 1rem; list-style: none; padding-left: 0; }
.vehicle-card {
  border: 2px solid var(--border);
  border-radius: .5rem;
  padding: 1rem;
  margin: 0;
  background: var(--surface);
}
.vehicle-card__header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .5rem 1rem;
  align-items: baseline;
  border-bottom: 2px solid var(--border);
  padding-bottom: .65rem;
  margin-bottom: .75rem;
}
.vehicle-card h3 { margin: 0; font-size: 1.35rem; }
.eta-summary { margin: 0; font-size: 1.15rem; font-weight: 800; }
.vehicle-card button { width: 100%; margin-top: .75rem; font-weight: 750; }
.permission-panel {
  border-block: 2px solid var(--border);
  padding-block: 1rem;
  margin-block: 1rem;
}
.permission-actions { margin-block: .75rem; }
dl { display: grid; grid-template-columns: minmax(9rem, auto) 1fr; gap: .5rem 1rem; }
dt { font-weight: 750; }
dd { margin: 0; color: var(--muted); }
progress { inline-size: min(12rem, 100%); block-size: .85rem; vertical-align: middle; }
#critical-alert:not(:empty) {
  border: 2px solid currentColor;
  border-radius: .5rem;
  padding: .75rem;
  margin-block: 1rem;
}
#ride-status:not(:empty) {
  border-left: .35rem solid var(--accent);
  padding: .75rem 1rem;
  background: var(--surface);
}
[hidden] { display: none !important; }
@media (max-width: 34rem) {
  body { padding-inline: max(.875rem, env(safe-area-inset-left)) max(.875rem, env(safe-area-inset-right)); }
  dl { grid-template-columns: 1fr; }
  dd { margin-bottom: .5rem; }
  .actions.compact { grid-template-columns: 1fr; }
  .primary-action { min-height: 6.75rem; }
}
@media (prefers-contrast: more) {
  :root { --border: CanvasText; --surface: Canvas; --accent: Highlight; --accent-text: HighlightText; }
  button, .vehicle-card, #critical-alert:not(:empty) { border-width: 3px; }
}
@media (forced-colors: active) {
  .primary-action { background: ButtonFace; color: ButtonText; border-color: ButtonText; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
  button:active { transform: none; }
}