/* US Train Tracker page: a split-flap departure board over a slowly drawn rail map */
body.train {
  --p-bg: #0b0d12; --p-ink: #f1f3f8; --p-accent: #ff8a2a; --p-accent2: #ffd166; --p-dim: #a7adbd;
  --p-panel: rgba(255, 255, 255, 0.04); --p-edge: rgba(255, 138, 42, 0.25); --p-head: var(--display);
}
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.board {
  --cell: clamp(13px, 2.3vw, 22px);
  display: inline-block; max-width: 100%; padding: 16px 16px 12px; border-radius: 14px; text-align: left;
  background: linear-gradient(180deg, #1a1c22, #101116); border: 1px solid #2b2e36;
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.9), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.board-head, .board-cols { display: flex; justify-content: space-between; gap: 12px; font: 700 0.72rem var(--display); letter-spacing: 0.16em; }
.board-head { color: var(--p-accent); margin-bottom: 10px; font-size: 0.85rem; }
.board-cols { color: #6c7280; margin-bottom: 6px; padding: 0 2px; }
.board-cols span:nth-child(1) { width: calc(var(--cell) * 4.6); }
.board-cols span:nth-child(2) { flex: 1; }
.board-cols span:nth-child(3) { width: calc(var(--cell) * 5.6); }
.board-cols span:nth-child(4) { width: calc(var(--cell) * 8.2); }
.board-rows { display: grid; gap: 5px; }
.row { display: flex; gap: calc(var(--cell) * 0.6); }
.seg { display: flex; gap: 2px; }
.flap {
  position: relative; width: var(--cell); height: calc(var(--cell) * 1.45); border-radius: 3px;
  display: grid; place-items: center; overflow: hidden;
  background: linear-gradient(180deg, #24262d 0 49%, #1b1d23 51% 100%);
  font: 700 calc(var(--cell) * 0.95)/1 "B612", "Space Grotesk", ui-monospace, monospace; color: #f4f1e6;
  box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.5);
}
.flap::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: rgba(0, 0, 0, 0.7); }
.flap.flip { animation: flip 0.07s linear; }
@keyframes flip { 0% { transform: scaleY(1); } 50% { transform: scaleY(0.15); filter: brightness(0.6); } 100% { transform: scaleY(1); } }
.flap.ok { color: #6dff9e; } .flap.late { color: var(--p-accent2); } .flap.bad { color: #ff5a4f; }
@font-face { font-family: "B612"; font-weight: 700; font-display: swap; src: url(/fonts/B612-Bold.ttf) format("truetype"); }

@media (max-width: 640px) {
  .board { --cell: clamp(9px, 3.1vw, 14px); padding: 12px 10px 10px; }
  .board-cols { font-size: 0.6rem; }
}