:root {
  --bg: #ffffff;
  --bg-elevated: #ffffff;
  --text: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --accent: #0369a1;
  --accent-bg: #e0f2fe;
  --delay: #b91c1c;
  --delay-bg: #fee2e2;
  --ontime: #15803d;
  --ontime-bg: #dcfce7;
  --cancelled: #94a3b8;
  --bus: #92400e;
  --bus-bg: #fef3c7;
  --error-bg: #fef2f2;
  --error-border: #fecaca;
  --error-text: #991b1b;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 1px 6px rgba(15, 23, 42, 0.05);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100%;
}

body {
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
  border-bottom: 1px solid var(--border);
}

.direction-switch {
  display: flex;
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg-elevated);
}

.dir-btn {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 600;
  padding: 12px 8px;
  cursor: pointer;
  min-height: 44px;
}

.dir-btn[aria-pressed="true"] {
  background: var(--accent-bg);
  color: var(--accent);
}

.refresh-btn {
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  border-radius: 12px;
  width: 44px;
  height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

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

.refresh-btn.spinning svg {
  animation: spin 0.8s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
  .refresh-btn.spinning svg { animation: none; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

main {
  flex: 1;
  padding: 12px 16px 24px;
  max-width: 560px;
  width: 100%;
  margin: 0 auto;
}

.status-line {
  font-size: 13px;
  color: var(--text-muted);
  margin: 4px 4px 14px;
  min-height: 18px;
}

.status-line.is-stale {
  color: var(--delay);
}

.departure-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow);
}

.card.is-cancelled {
  opacity: 0.7;
}

.card.is-fast {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), var(--shadow);
}

.card-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.dep-time {
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.card.is-cancelled .dep-time {
  text-decoration: line-through;
  color: var(--cancelled);
}

.sched-time-strike {
  font-size: 16px;
  font-weight: 600;
  text-decoration: line-through;
  color: var(--text-muted);
  margin-right: 8px;
}

.countdown {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

.delay-pill {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  margin-left: 8px;
  vertical-align: middle;
}

.delay-pill.delayed {
  background: var(--delay-bg);
  color: var(--delay);
}

.delay-pill.ontime {
  background: var(--ontime-bg);
  color: var(--ontime);
}

.cancelled-pill {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  margin-left: 8px;
  background: var(--delay-bg);
  color: var(--delay);
  vertical-align: middle;
}

.card-meta {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 14px;
  color: var(--text-muted);
}

.line-badge {
  display: inline-flex;
  align-items: center;
  font-weight: 700;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2px 8px;
  font-size: 13px;
}

.line-badge.is-bus {
  background: var(--bus-bg);
  color: var(--bus);
  border-color: transparent;
}

.arrival-info,
.duration-info {
  font-variant-numeric: tabular-nums;
}

.duration-info.is-fast {
  background: var(--accent-bg);
  color: var(--accent);
  font-weight: 700;
  border-radius: 6px;
  padding: 2px 6px;
}

.more-btn {
  display: block;
  width: 100%;
  margin-top: 12px;
  padding: 13px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--accent);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
}

.more-btn:disabled {
  color: var(--text-muted);
  cursor: default;
}

.transfer-block {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
}

.transfer-leg {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  padding: 4px 0;
}

.transfer-leg .leg-time {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  min-width: 46px;
}

.transfer-note {
  font-size: 13px;
  color: var(--text-muted);
  padding: 6px 0 2px;
}

.section-heading {
  font-size: 17px;
  font-weight: 700;
  margin: 24px 4px 4px;
}

.section-hint {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0 4px 12px;
}

.empty-state {
  margin: 40px 12px;
  text-align: center;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.5;
}

.empty-state a {
  color: var(--accent);
}

.error-banner {
  background: var(--error-bg);
  border: 1px solid var(--error-border);
  color: var(--error-text);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1.4;
  margin-bottom: 14px;
}

.error-banner a {
  color: inherit;
  font-weight: 600;
}

.footer {
  padding: 16px;
  text-align: center;
}

.footer p {
  margin: 0;
  font-size: 11px;
  color: var(--text-muted);
}

.footer a {
  color: var(--text-muted);
}

a { color: var(--accent); }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation-duration: 0.001ms !important; }
}