/* HRTS public departure boards: classic LED look, mobile first. */

:root {
  --background: #f4f2ec;
  --text: #22241f;
  --muted: #6b6f66;
  --brand-colour-mid: #2e6e4e;
  --led-bg: #0b0b0c;
  --led-blue: #0e0e9e;
  --led-amber: #ffd81f;
  --led-green: #3fe07a;
  --led-white: #f4f4f4;
  --led-dim: #8a8a8a;
  --radius: 0.75em;
  --tap: 2.75rem;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  min-height: 100vh;
}

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 0.5rem; top: 0.5rem; background: #fff; padding: 0.5rem; }

.topbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1rem;
  background: var(--brand-colour-mid);
}
.topbar a { color: #fff; }
.brand { font-weight: bold; text-decoration: none; font-size: 1.1rem; }
.railway-name {
  margin-left: auto;
  color: #fff;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

main { max-width: 70rem; margin: 0 auto; padding: 1rem; min-height: 90vh;}
h1 { font-size: 1.4rem; margin: 0.25rem 0; }
h2 { font-size: 1.15rem; margin: 1.5rem 0 0.5rem; }
.board-sub { color: var(--muted); margin: 0 0 1rem; }

.footer { padding: 1.5rem 1rem; color: var(--muted); font-size: 0.9rem; }

/* Buttons match management style */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap);
  padding: 0.6rem 1.25rem;
  background: var(--brand-colour-mid);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: bold;
  text-decoration: none;
  cursor: pointer;
}
.station-pick { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; }
.station-switch { margin: 0 0 1rem; }
.station-switch label { font-weight: bold; display: grid; gap: 0.25rem; max-width: 24rem; }
.station-switch select { min-height: var(--tap); font-size: 1rem; }
.back { font-weight: bold; }

/* LED board: square hardware panel. Destination takes only what it needs:
   JS measures the longest destination and sets --dest-w so every row,
   header included, uses the same width and all columns stay inline. */
.led {
  background: var(--led-bg);
  border-radius: 0;
  padding: 0.5rem;
  font-family: Arial, Helvetica, sans-serif;
}
.led-head, .led-row {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr) auto;
  gap: 0.1rem 0.75rem;
  padding: 0.45rem 0.5rem;
  align-items: baseline;
}
.led-head > span, .led-row > span { min-width: 0; }
.led-head {
  background: var(--led-blue);
  color: var(--led-white);
  font-weight: bold;
  font-size: 0.85rem;
}
.led-head span:nth-child(4), .led-head span:nth-child(5) { text-align: right; }
.train-head {
  background: transparent;
  color: var(--led-amber);
  font-size: 1rem;
  grid-template-columns: 1fr;
  gap: 0.25rem;
}
.led-rows { list-style: none; margin: 0.5rem 0 0; padding: 0; display: grid; gap: 0.5rem; align-content: start; }
.led-row { background: transparent; }
.led-row .c-time { color: var(--led-white); font-weight: bold; font-size: 1.15rem; }
.led-row .full-dest { grid-column: 1 / -1; width: 100%; display: block; text-align: center; color: var(--led-amber); font-weight: bold; font-size: 1.15rem; }
.led-row.led-date .full-dest { color: var(--led-white); }
.led-row .c-dest { color: var(--led-amber); font-weight: bold; font-size: 1.15rem; white-space: nowrap; }
.led-row .c-dest a { color: inherit; text-decoration: none; }
.led-row .c-dest a:focus-visible { outline: 0.15rem solid var(--led-amber); }
.led-row .c-calls {
  grid-column: 1 / -1;
  color: var(--led-green);
  font-size: 0.95rem;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
}
.led-row .c-calls::-webkit-scrollbar { display: none; }
.led-row .c-note { color: var(--led-amber); }
.led-row .c-calls.is-delay-msg { color: var(--led-amber); }
.led-row .c-plat, .led-row .c-exp { color: var(--led-white); text-align: right; }
.led-row.past { opacity: 0.55; }
.led-row.here { outline: 0.1rem solid var(--led-amber); outline-offset: -0.1rem; }
/* Mobile departure cards: one stacked card per service, header hidden. */
.led-board .led-head { display: none; }
.led-board .led-row {
  grid-template-columns: auto 1fr;
  background: #111110;
  border-radius: 0;
  padding: 0.75rem;
  gap: 0.3rem 0.75rem;
}
.led-board .c-time { font-size: 1.3rem; }
.led-board .c-dest { font-size: 1.3rem; overflow: hidden; text-overflow: ellipsis; }
.led-board .c-calls { white-space: normal; overflow: visible; font-size: 1rem; }
.led-board .c-plat { grid-column: 1; font-size: 1rem; text-align: left; }
.led-board .c-exp { grid-column: 2; font-size: 1rem; }
.mlabel { color: var(--led-dim); font-size: 0.8rem; font-weight: normal; margin-right: 0.35rem; }
.train-alert { color: var(--led-amber); font-weight: bold; padding: 0.25rem 0.5rem; }
.board-note { color: var(--muted); font-size: 0.9rem; }
.led-foot { text-align: center; color: var(--led-white); font-size: 1.1rem; font-weight: bold; padding: 0.5rem; margin-top: 0.5rem; bottom: 0;position: relative;}
.led-foot span { font-variant-numeric: tabular-nums; }
.board-actions { margin: 0 0 1rem; display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.board-toggles { display: flex; gap: 1rem; flex-wrap: wrap; }
.board-toggles label { display: flex; align-items: center; gap: 0.5rem; font-weight: bold; min-height: var(--tap); }
.board-toggles input[type="checkbox"] { width: 1.25rem; height: 1.25rem; }
.led-row .c-units {
  grid-column: 1 / -1;
  color: var(--led-dim);
  font-size: 0.85rem;
  white-space: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}
.led-row .c-units::-webkit-scrollbar { display: none; }
.dir-tag {
  display: inline-block;
  color: var(--led-dim);
  border: 0.1rem solid var(--led-dim);
  font-size: 0.7rem;
  font-weight: normal;
  padding: 0 0.3rem;
  margin-right: 0.4rem;
  vertical-align: middle;
}

/* Fullscreen and clear-board: big wall-display type, defaults to 200% so
   nobody has to set browser zoom by hand. JS refines this to fill height. */
.led:fullscreen, .led:-webkit-full-screen, .led-big {
  height: 100%;
  overflow-y: auto;
  padding: 1rem;
  zoom: 2;
}
.led:fullscreen .led-head, .led:-webkit-full-screen .led-head, .led-big .led-head {
  font-size: clamp(1.1rem, 2.2vw, 1.8rem);
}
.led:fullscreen .led-rows, .led:-webkit-full-screen .led-rows, .led-big .led-rows {
  gap: 1rem;
}
.led:fullscreen .led-row .c-time, .led:-webkit-full-screen .led-row .c-time,
.led-big .led-row .c-time,
.led:fullscreen .led-row .c-dest, .led:-webkit-full-screen .led-row .c-dest,
.led-big .led-row .c-dest {
  font-size: clamp(2.5rem, 7vw, 5rem);
}
.led:fullscreen .led-row .c-calls, .led:-webkit-full-screen .led-row .c-calls,
.led-big .led-row .c-calls {
  font-size: clamp(1.4rem, 3vw, 2.4rem);
}
.led:fullscreen .led-row .c-plat, .led:-webkit-full-screen .led-row .c-plat,
.led-big .led-row .c-plat,
.led:fullscreen .led-row .c-exp, .led:-webkit-full-screen .led-row .c-exp,
.led-big .led-row .c-exp {
  font-size: clamp(1.6rem, 3.6vw, 3rem);
}
.led:fullscreen .led-foot, .led:-webkit-full-screen .led-foot,
.led-big .led-foot {
  font-size: clamp(1.6rem, 3.6vw, 3rem);
}

/* Fullscreen cards on phones: same wall display idea, smaller type. */
@media (max-width: 699px) {
  .led:fullscreen, .led:-webkit-full-screen, .led-big {
    zoom: 1;
  }
  .led:fullscreen .led-board .led-row .c-time,
  .led:-webkit-full-screen .led-board .led-row .c-time,
  .led-big .led-board .led-row .c-time,
  .led:fullscreen .led-board .led-row .c-dest,
  .led:-webkit-full-screen .led-board .led-row .c-dest,
  .led-big .led-board .led-row .c-dest {
    font-size: clamp(1.4rem, 5vw, 2.5rem);
  }
  .led:fullscreen .led-board .led-row .c-calls,
  .led:-webkit-full-screen .led-board .led-row .c-calls,
  .led-big .led-board .led-row .c-calls {
    font-size: clamp(1rem, 3.5vw, 1.5rem);
  }
  .led:fullscreen .led-board .led-row .c-plat,
  .led:-webkit-full-screen .led-board .led-row .c-plat,
  .led-big .led-board .led-row .c-plat,
  .led:fullscreen .led-board .led-row .c-exp,
  .led:-webkit-full-screen .led-board .led-row .c-exp,
  .led-big .led-board .led-row .c-exp {
    font-size: clamp(1rem, 4vw, 1.8rem);
  }
  .led:fullscreen .led-board .led-foot,
  .led:-webkit-full-screen .led-board .led-foot,
  .led-big .led-board .led-foot {
    font-size: clamp(1.1rem, 4vw, 1.8rem);
  }
}

/* Clear-board fallback: hide the surrounding site in place */
body.board-clear .topbar,
body.board-clear .footer,
body.board-clear .station-switch,
body.board-clear .board-note,
body.board-clear .back {
  display: none;
}
body.board-clear main { max-width: none; }
body.board-clear .led { font-size: 1.2rem; }

:focus-visible { outline: 0.15rem solid var(--brand-colour-mid); outline-offset: 0.1rem; }

@media (min-width: 700px) {
  .led-head, .led-row {
    grid-template-columns: 4.5rem var(--dest-w, auto) minmax(0, 1fr) 4rem 6rem;
  }
  .led-row .c-calls { grid-column: auto; }
  .led-head { font-size: 1rem; }
  .led-row .c-time, .led-row .c-dest { font-size: 1.25rem; }
  .mlabel { display: none; }
  .led-board .led-head { display: grid; }
  .led-board .led-row {
    grid-template-columns: 4.5rem var(--dest-w, auto) minmax(0, 1fr) 4rem 6rem;
    background: transparent;
    padding: 0.45rem 0.5rem;
    gap: 0.1rem 0.75rem;
  }
  .led-board .c-time, .led-board .c-dest { font-size: 1.25rem; }
  .led-board .c-dest { overflow: visible; }
  .led-board .c-calls { white-space: nowrap; overflow-x: auto; font-size: 0.95rem; }
  .led-board .c-plat { grid-column: auto; text-align: right; }
  .led-board .c-exp { grid-column: auto; }
}