/* Stipt — mobile-first styling */

* { box-sizing: border-box; }

:root {
  --bg: #0b1f17;
  --bg-card: #11291f;
  --bg-elev: #1a3a2c;
  --fg: #e8f3ec;
  --fg-dim: #9bb8a8;
  --accent: #4fd1a4;
  --accent-strong: #0fb77f;
  --warn: #ffb84d;
  --danger: #ff6b6b;
  --border: #23483a;
  --radius: 14px;
  --gap: 1rem;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fafbf8;
    --bg-card: #ffffff;
    --bg-elev: #f0f4ef;
    --fg: #1a2b22;
    --fg-dim: #5d6f64;
    --accent: #0b6e4f;
    --accent-strong: #0b6e4f;
    --warn: #b76f00;
    --danger: #c63d3d;
    --border: #d5e2d9;
  }
}

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
  font-size: 16px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: linear-gradient(135deg, var(--bg-card), var(--bg-elev));
  border-bottom: 1px solid var(--border);
  padding: 0.9rem 1rem 0.7rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.app-header h1 {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0;
  flex: 1;
  letter-spacing: -0.01em;
}

.app-header .subtitle {
  margin: 0;
  font-size: 0.78rem;
  color: var(--fg-dim);
  flex-basis: 100%;
}

.btn-refresh {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 999px;
  width: 38px;
  height: 38px;
  font-size: 1.2rem;
  color: var(--fg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s;
}

.btn-refresh.spinning { transform: rotate(360deg); }

.btn-refresh:active { transform: scale(0.95); }

main#cards {
  padding: var(--gap);
  display: grid;
  gap: var(--gap);
  grid-template-columns: 1fr;
  max-width: 900px;
  margin: 0 auto;
}

@media (min-width: 700px) {
  main#cards { grid-template-columns: repeat(2, 1fr); }
}

.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  overflow: hidden;
}

.card header { display: flex; align-items: center; justify-content: space-between; gap: 0.4rem; flex-wrap: wrap; }
.card header h2 { font-size: 1.05rem; margin: 0; flex: 1; min-width: 0; }

.card .walk {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  background: var(--bg-elev);
  border-radius: 10px;
  padding: 0.55rem 0.7rem;
  font-size: 0.9rem;
}

.card .walk .icon { font-size: 1.1rem; }

.card .walk strong { color: var(--accent); font-weight: 700; }

.card .next-departure {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-elev);
  border-radius: 10px;
  padding: 0.55rem 0.7rem;
}

.card .next-departure .when { font-weight: 700; font-variant-numeric: tabular-nums; font-size: 1rem; }

.card .next-departure .label { color: var(--fg-dim); font-size: 0.78rem; }

.card .countdown {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--accent);
}

.card .countdown.urgent { color: var(--warn); }
.card .countdown.passed { color: var(--danger); }

.card .departures {
  display: grid;
  gap: 0.35rem;
}

.card .departures h3 { font-size: 0.85rem; color: var(--fg-dim); margin: 0.3rem 0 0.1rem; font-weight: 600; }

.card .departure-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4rem 0.6rem;
  background: var(--bg);
  border-radius: 8px;
  border: 1px solid var(--border);
  font-size: 0.85rem;
}

.card .departure-row .line { font-weight: 700; color: var(--accent); font-variant-numeric: tabular-nums; }
.card .departure-row .time { font-variant-numeric: tabular-nums; }
.card .departure-row .headsign { color: var(--fg-dim); font-size: 0.75rem; margin-left: 0.4rem; }

.card .map {
  height: 180px;
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-elev);
}

.card .note { font-size: 0.78rem; color: var(--fg-dim); }

.app-footer {
  text-align: center;
  padding: 1rem;
  color: var(--fg-dim);
  font-size: 0.75rem;
  border-top: 1px solid var(--border);
  margin-top: var(--gap);
}

.loading {
  text-align: center;
  padding: 2rem;
  color: var(--fg-dim);
  font-style: italic;
}

/* Leaflet popup styling */
.leaflet-popup-content-wrapper { border-radius: 8px; background: var(--bg-card); color: var(--fg); }
.leaflet-popup-tip { background: var(--bg-card); }
.leaflet-popup-content { font-size: 0.8rem; }