:root {
  --bg: #08080a;
  --board: #0d0d10;
  --board-line: rgba(255, 255, 255, 0.06);
  --cell-top: #26262d;
  --cell-bottom: #15151a;
  --cell-seam: rgba(0, 0, 0, 0.55);
  --amber: #ffc24b;
  --amber-dim: #6f6346;
  --green: #46e08a;
  --red: #ff5d5d;
  --text: #e9e9ee;
  --muted: #82828f;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --sans: "Inter", system-ui, sans-serif;
  --maxw: 1080px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--mono);
  background:
    radial-gradient(1100px 700px at 50% -15%, #14141b 0%, var(--bg) 60%);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  position: relative;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

/* ---------- Atmosphere ---------- */
.vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background: radial-gradient(120% 90% at 50% 35%, transparent 55%, rgba(0, 0, 0, 0.65) 100%);
}

.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  opacity: 0.35;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.025) 0px,
    rgba(255, 255, 255, 0.025) 1px,
    transparent 2px,
    transparent 4px
  );
  mix-blend-mode: overlay;
}

/* ---------- Top bar ---------- */
.topbar {
  position: relative;
  z-index: 3;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--board-line);
}

.topbar__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.14em;
  font-size: 0.98rem;
}

.topbar__mark { color: var(--amber); }
.topbar__sep { color: var(--muted); font-weight: 400; }
.topbar__op { color: var(--amber); }

.topbar__clock {
  text-align: right;
  line-height: 1.2;
}

.clock__time {
  display: block;
  color: var(--amber);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 14px rgba(255, 194, 75, 0.35);
}

.clock__date {
  display: block;
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
}

/* ---------- Marquee ---------- */
.station {
  position: relative;
  z-index: 3;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px 40px;
}

.marquee {
  padding: 56px 0 36px;
  text-align: center;
}

.marquee__title {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  font-size: clamp(2.1rem, 7vw, 4rem);
  font-weight: 800;
  letter-spacing: 0.04em;
}

.marquee__sub {
  margin: 22px auto 0;
  max-width: 560px;
  font-family: var(--sans);
  color: var(--muted);
  font-size: 1.02rem;
}

.marquee__sub strong { color: var(--text); }

/* ---------- Split-flap cells ---------- */
.flap {
  display: inline-flex;
  gap: 3px;
}

.flap-cell {
  --w: 0.74em;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: var(--w);
  padding: 0.16em 0.05em;
  background: linear-gradient(to bottom, var(--cell-top) 0%, var(--cell-top) 49.5%, var(--cell-bottom) 50.5%, var(--cell-bottom) 100%);
  border-radius: 4px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    inset 0 -1px 0 rgba(0, 0, 0, 0.5),
    0 1px 2px rgba(0, 0, 0, 0.4);
  color: var(--amber);
  font-weight: 700;
  line-height: 1;
  overflow: hidden;
}

.flap-cell::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  transform: translateY(-50%);
  background: var(--cell-seam);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04);
}

.flap-cell--space {
  background: transparent;
  box-shadow: none;
  min-width: 0.34em;
}

.flap-cell--space::after { display: none; }

.flap-cell.is-cycling { color: #d8c79a; }

.flap-cell.is-locked {
  animation: flapPop 0.22s ease;
}

@keyframes flapPop {
  0% { transform: scaleY(0.55); filter: brightness(1.6); }
  60% { transform: scaleY(1.05); }
  100% { transform: scaleY(1); filter: brightness(1); }
}

/* ---------- Board ---------- */
.board {
  border: 1px solid var(--board-line);
  border-radius: 14px;
  background: linear-gradient(180deg, #101015, var(--board));
  padding: 8px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55), inset 0 0 0 1px rgba(255, 255, 255, 0.02);
  overflow: hidden;
}

.board__row {
  display: grid;
  grid-template-columns: 78px 1.15fr 1.7fr 64px 132px;
  gap: 14px;
  align-items: center;
  padding: 16px 16px;
  border-radius: 8px;
  transition: background 0.18s ease;
}

.board__row + .board__row {
  border-top: 1px solid var(--board-line);
}

.board__row--head {
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--amber-dim);
  padding-top: 10px;
  padding-bottom: 14px;
}

a.board__row { cursor: pointer; }

a.board__row:hover {
  background: rgba(255, 194, 75, 0.05);
}

a.board__row:hover .flap-cell {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    inset 0 -1px 0 rgba(0, 0, 0, 0.5),
    0 0 12px rgba(255, 194, 75, 0.18);
}

.col { font-size: 0.94rem; }
.col--time { color: var(--muted); }
.col--service { font-size: 1.02rem; }
.col--dest .flap-cell { font-size: 0.78rem; }

.status--green .flap-cell { color: var(--green); }
.status--amber .flap-cell { color: var(--amber); }
.status--red .flap-cell { color: var(--red); }

.is-blinking .flap-cell {
  animation: statusBlink 1.15s steps(1, end) infinite;
}

@keyframes statusBlink {
  0%, 55% { opacity: 1; text-shadow: 0 0 12px currentColor; }
  56%, 100% { opacity: 0.22; text-shadow: none; }
}

/* ---------- Board meta ---------- */
.board-meta {
  margin-top: 12px;
  padding: 0 6px;
  text-align: right;
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.board-meta .dotsep { margin: 0 4px; }

/* ---------- Panels ---------- */
.panels {
  margin-top: 34px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 18px;
}

.panel {
  border: 1px solid var(--board-line);
  border-radius: 14px;
  background: linear-gradient(180deg, #101015, var(--board));
  padding: 26px 24px;
}

.panel__tag {
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  color: var(--amber-dim);
  margin-bottom: 18px;
}

.panel__lead {
  font-size: 1.15rem;
  color: var(--amber);
  margin-bottom: 12px;
}

.panel p {
  font-family: var(--sans);
  color: var(--text);
  margin-bottom: 12px;
  font-size: 0.98rem;
}

.panel__muted { color: var(--muted) !important; }

.desk { list-style: none; display: grid; gap: 4px; }

.desk li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--board-line);
}

.desk li:last-child { border-bottom: none; }

.desk__k {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.desk__v {
  color: var(--amber);
  transition: text-shadow 0.2s ease, transform 0.2s ease;
}

.desk__v:hover {
  text-shadow: 0 0 14px rgba(255, 194, 75, 0.5);
}

/* ---------- 404 back link ---------- */
.notice {
  text-align: center;
  margin-top: 30px;
}

.notice p {
  font-family: var(--sans);
  color: var(--muted);
  max-width: 520px;
  margin: 0 auto;
}

.backlink {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
  padding: 13px 24px;
  border: 1px solid var(--board-line);
  border-radius: 10px;
  background: linear-gradient(180deg, #14141a, var(--board));
  color: var(--amber);
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: background 0.2s ease, text-shadow 0.2s ease, transform 0.2s ease;
}

.backlink:hover {
  background: rgba(255, 194, 75, 0.07);
  text-shadow: 0 0 14px rgba(255, 194, 75, 0.45);
  transform: translateY(-2px);
}

/* ---------- Footer ---------- */
.station-foot {
  position: relative;
  z-index: 3;
  max-width: var(--maxw);
  margin: 30px auto 0;
  padding: 22px 24px 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  border-top: 1px solid var(--board-line);
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
}

.dotsep { color: var(--amber-dim); }

/* ---------- Boarding transition ---------- */
.boarding {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  background: rgba(6, 7, 10, 0);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease, background 0.3s ease;
}

.boarding.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  background: rgba(6, 7, 10, 0.94);
}

.boarding__rails {
  position: absolute;
  inset: 0;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.boarding.is-active .boarding__rails { opacity: 1; }

.boarding__rails::before,
.boarding__rails::after {
  content: "";
  position: absolute;
  inset: -25%;
  background-repeat: repeat;
}

.boarding__rails::before {
  background-image: repeating-linear-gradient(90deg, transparent 0 38px, rgba(255, 194, 75, 0.07) 38px 40px);
}

.boarding__rails::after {
  background-image: repeating-linear-gradient(90deg, transparent 0 78px, rgba(70, 224, 138, 0.05) 78px 80px);
}

.boarding.is-active .boarding__rails::before { animation: warp1 0.5s linear infinite; }
.boarding.is-active .boarding__rails::after { animation: warp2 0.85s linear infinite; }

@keyframes warp1 { from { transform: translateX(0); } to { transform: translateX(-40px); } }
@keyframes warp2 { from { transform: translateX(0); } to { transform: translateX(-80px); } }

.boarding__panel {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
  opacity: 0;
  transform: translateY(12px) scale(0.98);
  transition: opacity 0.4s ease, transform 0.45s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.boarding.is-active .boarding__panel { opacity: 1; transform: none; }

.boarding__status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.74rem;
  letter-spacing: 0.24em;
  color: var(--amber-dim);
  margin-bottom: 20px;
}

.boarding__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 12px var(--green);
  animation: boardPulse 1.2s ease-in-out infinite;
}

@keyframes boardPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.boarding__service {
  justify-content: center;
  font-size: clamp(1.9rem, 7vw, 3.6rem);
  margin-bottom: 16px;
}

.boarding__dest {
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  color: var(--muted);
  margin-bottom: 28px;
}

.boarding__bar {
  width: min(420px, 80vw);
  height: 4px;
  margin: 0 auto 16px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  overflow: hidden;
}

.boarding__bar span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--amber), var(--green));
}

.boarding.is-active .boarding__bar span { animation: boardFill 1.3s ease forwards; }

@keyframes boardFill { to { width: 100%; } }

.boarding__hint {
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  color: var(--amber-dim);
}

.boarding.is-departing .boarding__panel {
  opacity: 0;
  transform: scale(1.18);
  transition: opacity 0.32s ease-in, transform 0.32s ease-in;
}

.boarding.is-departing .boarding__rails::before { animation-duration: 0.18s; }
.boarding.is-departing .boarding__rails::after { animation-duration: 0.3s; }

@media (prefers-reduced-motion: reduce) {
  .boarding, .boarding__dot, .boarding__rails::before, .boarding__rails::after { animation: none !important; }
}

/* ---------- Station announcement (easter egg) ---------- */
.pa {
  position: fixed;
  left: 50%;
  top: 18px;
  z-index: 1100;
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: min(580px, calc(100vw - 32px));
  padding: 14px 18px;
  background: rgba(13, 13, 16, 0.96);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 194, 75, 0.42);
  border-radius: 12px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.5), 0 0 26px rgba(255, 194, 75, 0.12);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, -130%);
  transition: transform 0.45s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.35s ease, visibility 0.35s;
  cursor: pointer;
}

.pa.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

.pa__tag {
  font-size: 0.64rem;
  letter-spacing: 0.16em;
  color: var(--amber);
  white-space: nowrap;
  text-shadow: 0 0 12px rgba(255, 194, 75, 0.4);
}

.pa__text {
  font-size: 0.84rem;
  color: var(--text);
}

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .board__row {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "service status"
      "dest dest";
    gap: 10px 14px;
    row-gap: 8px;
  }

  .board__row--head { display: none; }
  .col--time, .col--gate { display: none; }
  .col--service { grid-area: service; }
  .col--dest { grid-area: dest; opacity: 0.85; }
  .col--status { grid-area: status; }

  .panels { grid-template-columns: 1fr; }

  .topbar__op { display: none; }
  .topbar__sep { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .flap-cell.is-locked { animation: none; }
  .is-blinking .flap-cell { animation: none; opacity: 1; }
}