/* Colours, and the two layouts: one scrolling column by default (phones
   and the 7" touch screen), and from 1100px wide the three routes side by
   side for laptops and monitors. */

:root {
  --bg: #EEF2F8;
  --surface: #FFFFFF;
  --fg: #0F1B33;
  --fg-muted: #5C6B88;
  --rule: #D6DDEA;
  --ontime: #1D8A4F;
  --delayed: #C97A00;
  --cancelled: #C8342E;
  --train: #2F63C9;
  --bus: #3B8E2C;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0F1B33;
    --surface: #162443;
    --fg: #F2F5FA;
    --fg-muted: #93A1BF;
    --rule: #2A3A5C;
    --ontime: #7ED9A5;
    --delayed: #FFB547;
    --cancelled: #FF6B6B;
    --train: #7DA6FF;
    --bus: #8BD66A;
  }
}

body { font-size: 16px; }

.top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 16px 8px;
  max-width: 720px;
  margin: 0 auto;
}
.top__title { font-size: 22px; font-weight: 700; letter-spacing: -.01em; }
.top__right { display: flex; align-items: baseline; gap: 16px; }
.clock { display: none; }
.top__meta { font-size: 13px; color: var(--fg-muted); white-space: nowrap; }

.offline-banner { padding: 10px 16px; font-size: 14px; text-align: center; }

.routes {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.route {
  background: var(--surface);
  border-radius: 12px;
  padding: 14px 16px 4px;
  box-shadow: 0 1px 0 var(--rule);
}
.route__title { font-size: 15px; padding-bottom: 10px; padding-right: 44px; }
.route__swap { top: 4px; right: 6px; }
.route__msg { padding: 10px 0 14px; font-size: 15px; }
.route__stale { font-size: 13px; padding-bottom: 8px; }

.dep {
  gap: 0 14px;
  padding: 12px 0 14px;
  min-height: 60px;
}
.dep__time { min-width: 64px; }
.dep__sched { font-size: 28px; }
.dep__exp { font-size: 14px; margin-top: 4px; }

.dep__main { gap: 4px; font-size: 15px; }
.dep__head { font-size: 14px; }
.pill { font-size: 13px; }
.dep__dest { font-size: 15px; }
.dep__note { font-size: 13px; margin-top: 3px; }

.badge { font-size: 13px; }
.dep__in { font-size: 13px; margin-top: 4px; }

.foot {
  display: flex;
  justify-content: flex-end;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px 32px;
  font-size: 13px;
  color: var(--fg-muted);
}

@media (min-width: 600px) {
  .dep__sched { font-size: 32px; }
  .dep__time { min-width: 76px; }
}

/* Wide screens: the routes side by side, everything larger, and a clock
   so the page works as a departure board. Fits a 1080p screen without
   scrolling. */
@media (min-width: 1100px) {
  .top, .routes, .foot { max-width: 1720px; }
  .top { padding: 28px 32px 16px; }
  .top__title { font-size: 26px; font-weight: 500; color: var(--fg-muted); }
  .top__right { gap: 24px; }
  .clock { display: inline; font-size: 44px; font-weight: 700; letter-spacing: -.02em; line-height: 1; }
  .top__meta { font-size: 15px; }

  .offline-banner { font-size: 18px; }

  .routes {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    padding: 0 32px 24px;
  }
  .route { padding: 18px 22px 6px; border-radius: 14px; }
  .route__title { flex-direction: column; align-items: flex-start; gap: 2px; font-size: 18px; padding-bottom: 12px; padding-right: 56px; }
  .route__swap { top: 10px; right: 12px; width: 48px; height: 48px; }
  .route__swap svg { width: 26px; height: 26px; }
  .route__to { font-size: 24px; }
  .route__arrow { display: none; }
  .route__from::after { content: " →"; }
  .route__msg { font-size: 18px; padding: 16px 0 20px; }
  .route__stale { font-size: 15px; }

  .dep { gap: 0 18px; padding: 16px 0 18px; }
  .dep__time { min-width: 96px; }
  .dep__sched { font-size: 44px; }
  .dep__exp { font-size: 17px; margin-top: 5px; }
  .dep__in { font-size: 15px; margin-top: 5px; }

  .dep__main { gap: 6px; padding-top: 4px; }
  .dep__head { font-size: 16px; }
  .pill { font-size: 15px; padding: .35em .55em; }
  .badge { font-size: 15px; padding: .4em .6em; }
  .dep__dest { font-size: 19px; }
  .dep__note { font-size: 15px; }

  .foot { padding: 0 32px 24px; font-size: 14px; }
}

/* Very wide screens (1440p, 4K) scale up once more. */
@media (min-width: 1920px) {
  .top, .routes, .foot { max-width: 2400px; }
  .top__title { font-size: 32px; }
  .clock { font-size: 56px; }
  .top__meta { font-size: 18px; }
  .route__title { font-size: 22px; }
  .route__to { font-size: 30px; }
  .dep__time { min-width: 120px; }
  .dep__sched { font-size: 56px; }
  .dep__exp { font-size: 20px; }
  .dep__in { font-size: 18px; }
  .dep__head, .pill, .badge { font-size: 19px; }
  .dep__dest { font-size: 24px; }
  .dep__note { font-size: 18px; }
}