:root {
  --bg: #0b1020;
  --bg-soft: #141a2e;
  --card: #1b2238;
  --card-hi: #243a2e;
  --text: #eef2ff;
  --muted: #97a1c4;
  --accent: #ffd23f;       /* S2 highlight */
  --accent-soft: #3ddc84;  /* "quick" green */
  --line: #2a3350;
  --danger: #ff6b6b;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 50% -10%, #1a2546 0%, transparent 60%), var(--bg);
  background-color: var(--bg);
  display: flex;
  justify-content: center;
  padding: 24px 16px 48px;
}

.app {
  width: 100%;
  max-width: 640px;
}

.app__header {
  text-align: center;
  margin-bottom: 20px;
}

.route {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: clamp(1.5rem, 5vw, 2.2rem);
  font-weight: 800;
  letter-spacing: 0.2px;
}

.route__arrow { color: var(--accent); }

.subtitle {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}
.subtitle strong { color: var(--accent); }

.controls {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1 1 160px;
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.field input {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text);
  font-size: 1rem;
}
.field input:focus {
  outline: none;
  border-color: var(--accent);
}

.btn {
  padding: 11px 18px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.08s ease, border-color 0.15s ease;
}
.btn:hover { border-color: var(--accent); }
.btn:active { transform: scale(0.97); }

.board {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 16px 18px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.card {
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.08s ease, opacity 0.15s ease;
}
.card:hover { border-color: var(--accent); }
.card:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.card:active { transform: scale(0.995); }

.card--s2 {
  background: linear-gradient(135deg, var(--card-hi), var(--card));
  border-color: var(--accent-soft);
  box-shadow: 0 10px 30px rgba(61, 220, 132, 0.18);
}

/* Past walking time — you'd have to run, but it's still shown, not hidden. */
.card--run {
  border-color: var(--accent);
  border-style: dashed;
}
/* Just departed — kept briefly so you can see what was available, dimmed. */
.card--gone {
  opacity: 0.5;
  filter: saturate(0.6);
}
/* The train you've decided on. */
.card--selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent), var(--shadow);
}
/* You've left and are walking — calm green, no leave-by drama. */
.card--walking {
  border-color: var(--accent-soft);
  box-shadow: 0 0 0 2px var(--accent-soft), var(--shadow);
}

.line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  height: 52px;
  padding: 0 10px;
  border-radius: 12px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  font-weight: 800;
  font-size: 1.25rem;
}
.card--s2 .line {
  background: var(--accent);
  color: #1a1300;
  border-color: var(--accent);
}

.details { min-width: 0; }

.details__top {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.dep-time {
  font-size: 1.35rem;
  font-weight: 700;
}

.badge-quick {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #06210f;
  background: var(--accent-soft);
  padding: 2px 8px;
  border-radius: 999px;
}

.details__meta {
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.7;
}

.countdown {
  text-align: right;
  white-space: nowrap;
}
.countdown__min {
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1;
}
.card--s2 .countdown__min { color: var(--accent-soft); }
.countdown__label {
  display: block;
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.countdown--now .countdown__min { color: var(--danger); }
.countdown--boarding .countdown__min { color: var(--accent); }
.countdown--run .countdown__min { color: var(--accent); }
.countdown--walking .countdown__min { color: var(--accent-soft); }

/* ---------- selected train: live catch timer ---------- */

.catch-timer {
  grid-column: 1 / -1;
  margin-top: 4px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--bg-soft);
  border: 1px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.catch-timer__info { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.catch-timer__row { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.catch-timer__clock {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}
.catch-timer__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.catch-timer__sub { font-size: 0.85rem; color: var(--text); }
.catch-timer__sub strong { color: var(--accent-soft); }
.catch-timer--run { border-color: var(--accent); }
.catch-timer--run .catch-timer__clock { color: var(--accent); }
.catch-timer--gone { border-color: var(--line); }
.catch-timer--gone .catch-timer__clock { color: var(--muted); }
.catch-timer--walking { border-color: var(--accent-soft); }
.catch-timer--walking .catch-timer__clock { color: var(--accent-soft); }

/* "I'm walking" toggle */
.walk-toggle {
  border: 1px solid var(--accent-soft);
  background: transparent;
  color: var(--accent-soft);
  padding: 9px 16px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.82rem;
  cursor: pointer;
  white-space: nowrap;
}
.walk-toggle:hover { background: rgba(61, 220, 132, 0.12); }
.walk-toggle--on { background: var(--accent-soft); border-color: var(--accent-soft); color: #06210f; }

.delay {
  color: var(--danger);
  font-weight: 600;
}

.app__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 22px;
  font-size: 0.8rem;
  color: var(--muted);
  flex-wrap: wrap;
  gap: 8px;
}
.app__footer a { color: var(--muted); }

.status--error { color: var(--danger); }

.empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--muted);
}

/* ---------- live indicator + refresh bar ---------- */

.refresh-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 100%;
  transform-origin: left center;
  background: linear-gradient(90deg, var(--accent-soft), var(--accent));
  box-shadow: 0 0 12px rgba(61, 220, 132, 0.6);
  z-index: 50;
  transform: scaleX(0);
}

@keyframes deplete {
  from { transform: scaleX(1); }
  to { transform: scaleX(0); }
}

.livebar {
  margin-top: 12px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.78rem;
}

.live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 3px 10px 3px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  font-weight: 700;
  letter-spacing: 0.1em;
}

.live__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent-soft);
  box-shadow: 0 0 0 0 rgba(61, 220, 132, 0.7);
  animation: pulse 1.8s ease-out infinite;
}

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(61, 220, 132, 0.7); }
  70%  { box-shadow: 0 0 0 10px rgba(61, 220, 132, 0); }
  100% { box-shadow: 0 0 0 0 rgba(61, 220, 132, 0); }
}

.live--ok .live__text { color: var(--accent-soft); }

.live--loading .live__dot {
  background: var(--accent);
  animation: pulse-amber 1s ease-out infinite;
}
.live--loading .live__text { color: var(--accent); }
@keyframes pulse-amber {
  0%   { box-shadow: 0 0 0 0 rgba(255, 210, 63, 0.7); }
  70%  { box-shadow: 0 0 0 9px rgba(255, 210, 63, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 210, 63, 0); }
}

.live--error .live__dot { background: var(--danger); animation: none; }
.live--error .live__text { color: var(--danger); }

.updated { color: var(--muted); }

.maplink {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}
.maplink img { width: 15px; height: 15px; }
.maplink:hover { border-color: var(--accent); }

/* spinner inside the refresh button */
.btn { display: inline-flex; align-items: center; gap: 8px; }
.btn__spinner {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-top-color: var(--accent);
  display: none;
}
.btn--loading .btn__spinner { display: inline-block; animation: spin 0.7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.field--walk { flex: 1 1 130px; }

/* ---------- journey line + preset toggle ---------- */

.journey {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.presets {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 5px;
  margin-bottom: 16px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.preset {
  flex: 1 1 auto;
  padding: 9px 12px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.preset:hover { color: var(--text); }
.preset--active { background: var(--accent); color: #1a1300; }

/* ---------- weather widget ---------- */

.wx {
  margin-bottom: 16px;
  padding: 14px 16px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.wx[hidden] { display: none; }

.wx__advice {
  font-weight: 700;
  font-size: 0.92rem;
  margin-bottom: 12px;
  color: var(--text);
}
.wx__advice--warn { color: var(--accent); }
.wx__advice--cold { color: #8fd3ff; }

.wx__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.wx__loc {
  padding: 12px;
  border-radius: 12px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
}
.wx__role {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 6px;
}
.wx__temp { font-size: 1.5rem; font-weight: 800; }
.wx__cond { color: var(--text); font-size: 0.9rem; text-transform: capitalize; }
.wx__metaline { margin-top: 4px; color: var(--muted); font-size: 0.78rem; }

@media (max-width: 380px) {
  .wx__cols { grid-template-columns: 1fr; }
}

/* ---------- delay / punctuality chips ---------- */

.chip {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  border-radius: 999px;
  white-space: nowrap;
}
.chip--late { color: #2a0d0d; background: var(--danger); }
.chip--ontime { color: var(--accent-soft); background: rgba(61, 220, 132, 0.14); }
.chip--run { color: #1a1300; background: var(--accent); }
.chip--walking { color: #06210f; background: var(--accent-soft); }

.details__meta strong { color: var(--text); }
.details__meta .dot { margin: 0 7px; opacity: 0.5; }

@media (prefers-reduced-motion: reduce) {
  .live__dot, .btn__spinner, .refresh-bar { animation: none !important; }
}

@media (max-width: 420px) {
  .card { grid-template-columns: auto 1fr; }
  .countdown { grid-column: 2; text-align: left; margin-top: 4px; }
}