:root {
  --ink: #071018;
  --panel: #0d1a26;
  --panel-edge: #1c3348;
  --mist: #9eb6c9;
  --paper: #e8f0f6;
  --amber: #f2c14e;
  --signal: #6fd3a0;
  --late: #ff6b5a;
  --late-bg: rgba(255, 107, 90, 0.14);
  --late-edge: rgba(255, 107, 90, 0.55);
  --rail: #2a4a63;
  --glow: rgba(242, 193, 78, 0.18);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-top: env(safe-area-inset-top, 0px);
  --font-display: "Syne", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  color: var(--paper);
  font-family: var(--font-mono);
  background: var(--ink);
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
  padding-top: var(--safe-top);
  padding-bottom: var(--safe-bottom);
}

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(111, 211, 160, 0.12), transparent 55%),
    radial-gradient(900px 500px at 90% 10%, var(--glow), transparent 50%),
    linear-gradient(165deg, #050b12 0%, #0f2233 48%, #08131d 100%);
  pointer-events: none;
}

.atmosphere::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.22;
  background-image:
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 46px,
      rgba(158, 182, 201, 0.05) 46px,
      rgba(158, 182, 201, 0.05) 48px
    );
  animation: drift 28s linear infinite;
}

@keyframes drift {
  from { transform: translateX(0); }
  to { transform: translateX(-48px); }
}

.board {
  position: relative;
  z-index: 1;
  width: min(920px, calc(100% - 1.25rem));
  margin: 1.25rem auto calc(1.5rem + var(--safe-bottom));
  padding: 1.25rem 1rem 1rem;
  border: 1px solid var(--panel-edge);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(28, 51, 72, 0.35), transparent 28%),
    var(--panel);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.03) inset,
    0 30px 80px rgba(0, 0, 0, 0.45);
  animation: rise 0.7s ease-out both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.board__header {
  text-align: left;
  margin-bottom: 1.15rem;
}

.board__eyebrow {
  margin: 0 0 0.55rem;
  color: var(--mist);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.68rem;
}

.board__station {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 9vw, 4.2rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.board__subtitle {
  margin: 0.65rem 0 1.1rem;
  color: var(--mist);
  font-size: 0.85rem;
  line-height: 1.45;
}

.board__controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
  padding: 0.3rem;
  border-radius: 999px;
  background: rgba(7, 16, 24, 0.65);
  border: 1px solid var(--rail);
  width: 100%;
}

.tab {
  appearance: none;
  border: 0;
  border-radius: 999px;
  min-height: 44px;
  padding: 0.55rem 0.75rem;
  background: transparent;
  color: var(--mist);
  font: inherit;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}

.tab:hover {
  color: var(--paper);
}

.tab.is-active {
  background: var(--amber);
  color: #1a1405;
  font-weight: 600;
}

.board__panel {
  border: 1px solid var(--rail);
  border-radius: 12px;
  overflow: hidden;
  background: rgba(5, 11, 18, 0.55);
}

.board__meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--rail);
  color: var(--mist);
  font-size: 0.75rem;
}

#clock {
  color: var(--amber);
  font-weight: 600;
  letter-spacing: 0.04em;
  font-size: 0.9rem;
}

#updated {
  text-align: right;
}

.status {
  margin: 0;
  padding: 0.9rem 1rem;
  color: var(--late);
  background: var(--late-bg);
  border-bottom: 1px solid var(--late-edge);
  font-size: 0.85rem;
}

.train-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.train {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.65rem 0.9rem;
  align-items: start;
  padding: 0.95rem 1rem;
  border-bottom: 1px solid rgba(42, 74, 99, 0.55);
  border-left: 3px solid transparent;
  animation: row-in 0.45s ease both;
}

.train:last-child {
  border-bottom: 0;
}

.train:nth-child(1) { animation-delay: 0.04s; }
.train:nth-child(2) { animation-delay: 0.08s; }
.train:nth-child(3) { animation-delay: 0.12s; }
.train:nth-child(4) { animation-delay: 0.16s; }
.train:nth-child(5) { animation-delay: 0.2s; }

@keyframes row-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.train__time-block {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 4.2rem;
}

.train__time {
  font-size: clamp(1.25rem, 4.5vw, 1.45rem);
  font-weight: 600;
  color: var(--amber);
  line-height: 1;
  white-space: nowrap;
}

.train__time-label {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mist);
}

.train--arrival .train__time {
  font-size: clamp(1.4rem, 5.2vw, 1.7rem);
}

.train__base {
  font-size: 0.72rem;
  color: var(--mist);
  text-decoration: line-through;
  opacity: 0.85;
}

.train__base-inline {
  margin-left: 0.35rem;
  color: var(--mist);
  text-decoration: line-through;
  font-size: 0.75rem;
}

.train__body {
  min-width: 0;
}

.train__direction {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(0.98rem, 3.6vw, 1.1rem);
  letter-spacing: -0.01em;
  line-height: 1.2;
  word-break: break-word;
}

.train__meta {
  margin-top: 0.25rem;
  color: var(--mist);
  font-size: 0.78rem;
  line-height: 1.35;
}

.train__via,
.train__secondary {
  display: grid;
  grid-template-columns: 3.4rem 1fr;
  align-items: baseline;
  column-gap: 0.55rem;
  margin-top: 0.35rem;
  color: var(--mist);
  font-size: 0.82rem;
  line-height: 1.35;
}

.train__via strong,
.train__secondary strong {
  color: var(--paper);
  font-weight: 600;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}

.train.is-late .train__via strong,
.train.is-late .train__secondary strong {
  color: var(--late);
}

.train--departure .train__body,
.train--arrival .train__body {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  justify-content: center;
  align-self: center;
}

.train--departure .train__secondary,
.train--arrival .train__secondary {
  margin-top: 0;
}

.train__status {
  justify-self: end;
  align-self: center;
  white-space: nowrap;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--signal);
  background: rgba(111, 211, 160, 0.12);
  border: 1px solid rgba(111, 211, 160, 0.35);
  border-radius: 999px;
  padding: 0.35rem 0.65rem;
}

.train.is-late {
  background: var(--late-bg);
  border-left-color: var(--late);
  box-shadow: inset 0 0 0 1px rgba(255, 107, 90, 0.08);
}

.train.is-late .train__time {
  color: var(--late);
}

.train.is-late .train__status {
  color: #fff;
  background: var(--late);
  border-color: transparent;
  box-shadow: 0 0 0 0 rgba(255, 107, 90, 0.55);
  animation: delay-pulse 1.8s ease-out infinite;
}

.train__delay {
  display: inline-block;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

@keyframes delay-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 107, 90, 0.5);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(255, 107, 90, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 107, 90, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .atmosphere::after,
  .board,
  .train,
  .train.is-late .train__status {
    animation: none;
  }
}

.train-list__empty {
  color: var(--mist);
  text-align: center;
  padding: 2rem 1rem;
  font-size: 0.9rem;
}

.board__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
  color: var(--mist);
  font-size: 0.75rem;
}

.board__actions {
  display: flex;
  gap: 0.45rem;
  align-items: center;
}

.refresh {
  appearance: none;
  border: 1px solid var(--rail);
  background: transparent;
  color: var(--paper);
  border-radius: 999px;
  min-height: 40px;
  padding: 0.45rem 0.95rem;
  font: inherit;
  font-size: 0.75rem;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}

.refresh:hover,
.refresh:focus-visible {
  border-color: var(--amber);
  background: rgba(242, 193, 78, 0.08);
  outline: none;
}

.install:not([hidden]) {
  border-color: var(--amber);
  color: var(--amber);
}

@media (min-width: 720px) {
  .board {
    width: min(920px, calc(100% - 2rem));
    margin: 2.5rem auto 3rem;
    padding: 1.75rem 1.5rem 1.25rem;
  }

  .board__controls {
    display: inline-flex;
    width: auto;
  }

  .tab {
    padding: 0.55rem 1.05rem;
    font-size: 0.85rem;
  }

  .board__subtitle {
    font-size: 0.95rem;
  }

  .train {
    grid-template-columns: 5.5rem 1fr auto;
    align-items: center;
    padding: 1rem 1.15rem;
  }

  .train__status {
    min-width: 5.5rem;
    text-align: center;
  }
}

@media (max-width: 719px) {
  .train {
    grid-template-columns: auto 1fr auto;
  }

  .train__status {
    align-self: start;
    margin-top: 0.15rem;
  }
}