:root {
  --bg: #080c12;
  --surface-glass: rgba(15, 23, 42, 0.92);
  --surface-card: rgba(18, 27, 44, 0.96);
  --surface-float: rgba(12, 19, 31, 0.88);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-active: rgba(96, 165, 250, 0.45);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --route-color: #60a5fa;
  --route-glow: rgba(96, 165, 250, 0.12);
  --status-live: #34d399;
  --status-warn: #facc15;
  --stop-default: #64748b;
  --stop-selected: #60a5fa;
  --glass-blur: saturate(180%) blur(24px);
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-pill: 0 4px 16px rgba(0, 0, 0, 0.4);
  --radius-pill: 24px;
  --radius-sheet: 20px;
  --radius-card: 14px;
  --radius-sm: 10px;
}

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

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100%;
  max-width: 500px;
  margin: 0 auto;
  background: var(--bg);
}

/* ─── Header — glass bar over the map ─── */

header {
  position: absolute;
  top: 0;
  width: 100%;
  max-width: 500px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px 8px;
  padding-top: max(10px, env(safe-area-inset-top));
  z-index: 1100;
  gap: 10px;
}

header h1 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text-primary);
  text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

#status-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-float);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-pill);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  flex-shrink: 0;
  transition: background 0.3s;
}
.status-dot.ok { background: var(--status-live); }
.status-dot.warn { background: var(--status-warn); }
.status-dot.fail { background: #ef4444; }

#refresh-badge {
  font-size: 10px;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  background: var(--surface-float);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-pill);
}

/* ─── Favorites — floating scroll strip ─── */

#favorites-row {
  position: absolute;
  top: 104px;
  width: calc(100% - 20px);
  max-width: 480px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1090;
  display: flex;
  align-items: center;
  gap: 6px;
}

#favorites-pills {
  display: flex;
  gap: 6px;
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
#favorites-pills::-webkit-scrollbar { display: none; }

.fav-pill {
  flex-shrink: 0;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: var(--surface-float);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-subtle);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: border-color 0.2s, background 0.2s;
  box-shadow: var(--shadow-pill);
}
.fav-pill:active { transform: scale(0.96); }

.fav-pill.active {
  border-color: var(--border-active);
  background: rgba(96, 165, 250, 0.14);
}

.fav-pill .fav-route { color: var(--text-primary); }

.fav-pill .fav-stop {
  color: var(--text-secondary);
  font-weight: 400;
  max-width: 70px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fav-pill .fav-remove {
  font-size: 13px;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.15s;
}
.fav-pill .fav-remove:hover { opacity: 1; }

#fav-add-btn {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1.5px dashed rgba(255,255,255,0.12);
  background: var(--surface-float);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  color: var(--text-secondary);
  font-size: 18px;
  font-weight: 300;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s, color 0.2s;
  box-shadow: var(--shadow-pill);
}
#fav-add-btn:active { transform: scale(0.92); }
#fav-add-btn:hover {
  border-color: var(--border-active);
  color: var(--route-color);
}

/* ─── Main / Map ─── */

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
  position: relative;
}

#map-container {
  flex: 1;
  min-height: 0;
  position: relative;
  background: var(--bg);
}

#map {
  width: 100%;
  height: 100%;
}

/* ─── Select pills over map ─── */

#map-overlay {
  position: absolute;
  top: 52px;
  left: 10px;
  right: 10px;
  z-index: 1000;
  display: flex;
  gap: 8px;
  pointer-events: none;
}

.select-pill {
  flex: 1;
  min-width: 0;
  border-radius: var(--radius-pill);
  background: var(--surface-glass);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-glass);
  pointer-events: auto;
  display: flex;
  align-items: center;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.select-pill:focus-within {
  border-color: var(--border-active);
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.18), var(--shadow-glass);
}

.select-pill select {
  width: 100%;
  padding: 10px 30px 10px 14px;
  background: transparent;
  color: var(--text-primary);
  border: none;
  font-size: 13px;
  font-weight: 600;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  cursor: pointer;
  outline: none;
}

.select-pill select:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.select-pill select option {
  color: var(--text-primary);
  background: #0f172a;
  font-weight: 400;
}

/* ─── Bottom bar — glass panel ─── */

#bottom-bar {
  flex-shrink: 0;
  padding: 12px 16px 16px;
  padding-bottom: max(16px, env(safe-area-inset-bottom));
  background: var(--surface-card);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-sheet) var(--radius-sheet) 0 0;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.4);
  position: relative;
  z-index: 10;
}

/* ─── Stop progress strip ─── */

#stop-progress {
  display: flex;
  gap: 4px;
  align-items: center;
  justify-content: center;
  min-height: 10px;
}

.progress-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--text-muted);
  flex-shrink: 0;
}

.progress-dot.passed {
  background: var(--status-live);
  box-shadow: 0 0 4px rgba(52, 211, 153, 0.4);
}

.progress-dot.selected {
  width: 10px;
  height: 10px;
  background: transparent;
  border: 2px solid var(--route-color);
  box-shadow: 0 0 6px var(--route-glow);
}

.progress-dot.selected.passed {
  background: var(--route-color);
  border-color: var(--route-color);
}

/* ─── Bottom info row ─── */

#bottom-info {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

#stop-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -0.2px;
}

#eta-text {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

#eta-text.live {
  color: var(--status-live);
}

#bus-count {
  font-size: 10px;
  color: var(--text-secondary);
  white-space: nowrap;
  padding: 3px 8px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 8px;
}

/* ─── Loading overlay ─── */

.loading-overlay {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2000;
  background: var(--surface-card);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 28px 36px;
  text-align: center;
  display: none;
  box-shadow: var(--shadow-glass);
}
.loading-overlay.visible { display: block; }

.loading-overlay .spinner {
  width: 28px;
  height: 28px;
  border: 2.5px solid rgba(255,255,255,0.08);
  border-top-color: var(--route-color);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto 10px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-overlay p {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ─── Error toast ─── */

.error-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: #ef4444;
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  z-index: 3000;
  display: none;
  max-width: 90vw;
  text-align: center;
  box-shadow: 0 8px 24px rgba(239, 68, 68, 0.3);
}
.error-toast.visible {
  display: block;
  animation: fade-in-up 0.3s ease;
}
@keyframes fade-in-up {
  from { opacity: 0; transform: translateX(-50%) translateY(10px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ─── Leaflet overrides ─── */

.leaflet-container {
  background: var(--bg) !important;
}

.bus-marker-icon {
  background: transparent !important;
  border: none !important;
}

.bus-marker-inner {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.5s ease;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.5));
}

.bus-tooltip, .leaflet-tooltip {
  background: var(--surface-card) !important;
  border: 1px solid var(--border-subtle) !important;
  border-radius: 8px !important;
  color: var(--text-primary) !important;
  font-size: 11px !important;
  padding: 4px 8px !important;
  box-shadow: var(--shadow-pill) !important;
  font-weight: 600;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}
.bus-tooltip::before { border-top-color: var(--border-subtle) !important; }

.bus-popup {
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-primary);
}
.bus-popup strong {
  font-size: 13px;
  color: var(--route-color);
}
.bus-popup-wrapper .leaflet-popup-content-wrapper {
  background: var(--surface-card);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-glass);
  border: 1px solid var(--border-subtle);
}
.bus-popup-wrapper .leaflet-popup-tip {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
}

.leaflet-control-zoom {
  border: none !important;
  border-radius: 10px !important;
  overflow: hidden;
  box-shadow: var(--shadow-glass) !important;
}
.leaflet-control-zoom a {
  background: var(--surface-glass) !important;
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  color: var(--text-primary) !important;
  border-bottom: 1px solid var(--border-subtle) !important;
  font-weight: 600;
}
.leaflet-control-zoom a:last-child { border-bottom: none !important; }
.leaflet-control-zoom a:hover {
  background: rgba(30, 41, 59, 0.8) !important;
}

.leaflet-control-attribution {
  background: rgba(8, 12, 18, 0.7) !important;
  color: var(--text-muted) !important;
  font-size: 8px !important;
  padding: 2px 6px !important;
  border-radius: 4px;
}
.leaflet-control-attribution a { color: var(--text-muted) !important; }

/* ─── Responsive ─── */

@media (max-width: 380px) {
  header h1 { font-size: 14px; }
  .select-pill select { font-size: 12px; padding: 8px 26px 8px 12px; }
  #bottom-bar { padding: 10px 12px 14px; }
}

@media (min-width: 800px) {
  #app { border-radius: 18px; margin-top: 16px; height: calc(100% - 32px); overflow: hidden; }
  header {
    border-radius: 18px 18px 0 0;
    max-width: 500px;
  }
  #favorites-row { max-width: 480px; }
}