:root {
  color-scheme: light;
  --bg: #f7f7f7;
  --card: #ffffff;
  --text: #101010;
  --muted: #404040;
  --accent: #0057b8;
  --warning: #b0231c;
  --card-border: rgba(0, 0, 0, 0.08);
  --flap-bg: #1a1a1a;
  --flap-fg: #f5f2e9;
  --flap-border: rgba(255, 255, 255, 0.12);
}

body.night {
  color-scheme: dark;
  --bg: #050505;
  --card: #0d0d0d;
  --text: #f2f2f2;
  --muted: #b5b5b5;
  --accent: #4da3ff;
  --warning: #ff6a6a;
  --card-border: rgba(255, 255, 255, 0.08);
  --flap-bg: #0c0c0c;
  --flap-fg: #f2f2f2;
  --flap-border: rgba(255, 255, 255, 0.08);
}

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

body {
  font-family: "Inter", "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.screen {
  min-height: 100vh;
  padding: 48px 64px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.top-bar {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
}

.top-bar h1 {
  font-size: clamp(2.2rem, 3.4vw, 3.6rem);
  font-weight: 700;
}

.subtitle {
  font-size: clamp(1.1rem, 1.6vw, 1.5rem);
  color: var(--muted);
}

.controls {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.control {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.9rem;
  color: var(--muted);
}

.control input {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--muted);
  font-size: 1rem;
  min-width: 90px;
  background: transparent;
  color: var(--text);
}

.control select {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--muted);
  font-size: 1rem;
  min-width: 140px;
  background: transparent;
  color: var(--text);
}

.button {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 1rem;
  cursor: pointer;
}

.button-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--muted);
}

.controls-collapsed .top-bar {
  display: none;
}

.controls-collapsed .screen {
  padding-top: 24px;
}

.floating-controls {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 5;
  backdrop-filter: blur(6px);
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  align-items: stretch;
}

.hero-card {
  background: var(--card);
  padding: 32px;
  border-radius: 24px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero-label {
  font-size: 1.4rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-main {
  font-size: clamp(3.5rem, 7vw, 6rem);
  font-weight: 700;
  color: var(--accent);
}

.hero-detail {
  font-size: clamp(1.5rem, 2.6vw, 2.4rem);
}

.hero-sub {
  font-size: 1.2rem;
  color: var(--muted);
}

.hero-meta {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 1.2rem;
  color: var(--muted);
}

.upcoming h2 {
  font-size: clamp(1.8rem, 2.4vw, 2.4rem);
  margin-bottom: 16px;
}

.upcoming-list {
  display: grid;
  gap: 16px;
}

.upcoming-card {
  border: 1px solid transparent;
  display: grid;
  grid-template-columns: 120px 1fr 120px;
  grid-template-rows: auto auto;
  gap: 16px;
  align-items: center;
  background: var(--card);
  padding: 20px 24px;
  border-radius: 18px;
  cursor: pointer;
  text-align: left;
  font: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.upcoming-card:hover,
.upcoming-card:focus-visible {
  border-color: rgba(0, 87, 184, 0.4);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
  outline: none;
}

.upcoming-card .expand-indicator {
  justify-self: end;
  font-size: 0.85rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.upcoming-card .train-details {
  display: none;
  grid-column: 1 / -1;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  padding-top: 8px;
  border-top: 1px solid var(--card-border);
  font-size: 0.9rem;
  color: var(--muted);
}

.upcoming-card .train-details div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.upcoming-card .train-details span {
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.75rem;
}

.upcoming-card .train-details strong {
  color: var(--text);
  font-size: 1rem;
}

.train-map {
  display: block;
  width: 100%;
  height: 220px;
  min-height: 220px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--card-border);
  margin-top: 8px;
}

.upcoming-card .train-map {
  grid-column: 1 / -1;
}

.upcoming-card .train-map.map-unavailable {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--muted);
  background: rgba(0, 0, 0, 0.04);
}

.map-label {
  background: var(--card);
  color: var(--text);
  border-radius: 999px;
  padding: 4px 10px;
  font-weight: 700;
  font-size: 0.85rem;
  border: 2px solid var(--accent);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.map-label-station {
  border-color: var(--warning);
}

.map-attribution {
  grid-column: 1 / -1;
  font-size: 0.7rem;
  color: var(--muted);
  margin-top: -4px;
}

.upcoming-card.is-expanded .train-details {
  display: grid;
}

.upcoming-card .eta {
  font-size: 2rem;
  font-weight: 600;
  color: var(--accent);
}

.upcoming-card .route {
  font-size: 1.2rem;
}

.upcoming-card .source {
  font-size: 0.9rem;
  color: var(--muted);
}


.train-timeline {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 20px 24px;
  display: grid;
  gap: 8px;
}


.timeline-current {
  width: 100%;
  text-align: left;
  padding: 4px 6px;
}

.timeline-train-toggle {
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  padding: 0;
  cursor: pointer;
  text-align: left;
}

.timeline-train-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.timeline-map-panel {
  display: grid;
  gap: 8px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--card-border);
}

.timeline-map-panel[hidden] {
  display: none;
}

.timeline-current,
.timeline-stop {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  align-items: center;
}

.timeline-previous .timeline-node-wrap::before {
  content: "";
  position: absolute;
  width: 2px;
  background: color-mix(in oklab, var(--accent) 60%, transparent);
  top: 50%;
  bottom: -14px;
}

.timeline-list {
  display: grid;
  gap: 4px;
}

.timeline-node-wrap {
  position: relative;
  min-height: 28px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.timeline-stop .timeline-node-wrap::before {
  content: "";
  position: absolute;
  width: 2px;
  background: color-mix(in oklab, var(--accent) 60%, transparent);
  top: -14px;
  bottom: -14px;
}

.timeline-node {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--accent);
  border: 2px solid var(--bg);
  position: relative;
  z-index: 1;
}

.timeline-node-live {
  background: #17a64a;
  box-shadow: 0 0 0 0 rgba(23, 166, 74, 0.45);
  animation: pulse-live 1.8s ease-out infinite;
}

.timeline-content {
  display: grid;
  gap: 2px;
  padding: 6px 0;
}

.timeline-title {
  font-size: 1.05rem;
  font-weight: 600;
}

.timeline-subtitle {
  color: var(--muted);
  font-size: 0.95rem;
}

.timeline-stop.is-next .timeline-title {
  color: var(--accent);
}

.timeline-previous .timeline-title {
  color: var(--accent);
}


.footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 1rem;
  color: var(--muted);
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.stale {
  color: var(--warning);
  font-weight: 600;
}

.data-note {
  font-size: 0.95rem;
  line-height: 1.4;
  color: var(--muted);
}

.data-note code {
  font-family: "Courier New", "Lucida Console", monospace;
  font-size: 0.9rem;
  background: rgba(0, 0, 0, 0.06);
  padding: 2px 6px;
  border-radius: 6px;
}

.is-hidden {
  display: none;
}

.split-flap h2 {
  font-size: clamp(1.8rem, 2.4vw, 2.4rem);
  margin-bottom: 16px;
}

.split-list {
  display: grid;
  gap: 12px;
}

.split-row {
  display: grid;
  grid-template-columns: auto auto auto;
  gap: 24px;
  align-items: center;
  padding: 18px 22px;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.18), rgba(0, 0, 0, 0)), var(--card);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), inset 0 -1px 0 rgba(0, 0, 0, 0.24);
}

.split-field {
  --cell-width: clamp(16px, 2vw, 22px);
  --cell-height: clamp(22px, 3vw, 32px);
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: var(--cell-width);
  gap: 2px;
  font-family: "Courier New", "Lucida Console", monospace;
  text-transform: uppercase;
}

.split-cell {
  height: var(--cell-height);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--flap-bg);
  color: var(--flap-fg);
  border-radius: 4px;
  border: 1px solid var(--flap-border);
  font-size: clamp(0.9rem, 1.6vw, 1.4rem);
  font-weight: 700;
  line-height: 1;
}

.split-cell.is-flipping {
  animation: flap 90ms steps(1, end);
}

.split-destination {
  font-variant-numeric: tabular-nums;
}

.split-time {
  font-variant-numeric: tabular-nums;
}

.split-status {
  font-variant-numeric: tabular-nums;
}

@keyframes pulse-live {
  0% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(23, 166, 74, 0.45);
  }
  70% {
    transform: scale(1.08);
    box-shadow: 0 0 0 14px rgba(23, 166, 74, 0);
  }
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(23, 166, 74, 0);
  }
}

@keyframes flap {
  0% {
    transform: translateY(-2px);
    filter: brightness(1.1);
  }
  50% {
    transform: translateY(2px);
  }
  100% {
    transform: translateY(0);
    filter: brightness(1);
  }
}

@media (max-width: 900px) {
  .screen {
    padding: 32px;
  }

  .upcoming-card {
    grid-template-columns: 1fr;
  }

  .split-row {
    grid-template-columns: 1fr;
    text-align: left;
    justify-items: start;
  }

  .split-field {
    justify-content: start;
  }

  .floating-controls {
    bottom: 16px;
    right: 16px;
  }
}