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

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #1a1a2e;
  color: #e0e0e0;
  overflow: hidden;
}

body {
  display: flex;
}

/* --- Left Sidebar --- */
#sidebar {
  width: 633px;
  min-width: 220px;
  max-width: 90vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: #16213e;
  flex-shrink: 0;
}

#controls {
  flex: 1;
  min-height: 80px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 12px;
  gap: 10px;
}

/* --- Resize Handle --- */
#resize-handle {
  width: 6px;
  height: 100vh;
  background: #0f3460;
  cursor: col-resize;
  flex-shrink: 0;
  position: relative;
  transition: background 0.15s;
  z-index: 10;
}

#resize-handle:hover,
#resize-handle.dragging {
  background: #00b4d8;
}

#resize-handle::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 2px;
  height: 40px;
  border-radius: 2px;
  background: rgba(255,255,255,0.25);
}

/* --- Transport type radio --- */
.control-group {
  flex-shrink: 0;
}

.control-group > label {
  display: block;
  font-size: 0.75rem;
  color: #90a4ae;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.radio-row {
  display: flex;
  gap: 0;
}

.radio-label {
  flex: 1;
  text-align: center;
  padding: 8px 4px;
  font-size: 0.85rem;
  cursor: pointer;
  background: #1a1a2e;
  border: 1px solid #0f3460;
  color: #90a4ae;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.radio-label:first-child {
  border-radius: 6px 0 0 6px;
}

.radio-label:last-child {
  border-radius: 0 6px 6px 0;
}

.radio-label:has(input:checked) {
  background: #0f3460;
  color: #00b4d8;
  border-color: #00b4d8;
}

.radio-label input {
  display: none;
}

/* --- Line Table --- */
#line-table {
  border: 1px solid #0f3460;
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

.line-table-header {
  display: flex;
  justify-content: space-between;
  padding: 8px 12px;
  background: #2a9d8f;
  color: #fff;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

#line-list {
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}

.line-loading {
  padding: 20px;
  text-align: center;
  color: #90a4ae;
  font-size: 0.85rem;
}

.line-row {
  display: flex;
  align-items: center;
  padding: 6px 12px;
  border-bottom: 1px solid #0f346033;
  cursor: pointer;
  transition: background 0.15s;
  gap: 10px;
}

.line-row:hover {
  background: rgba(0, 180, 216, 0.08);
}

.line-row.selected {
  background: rgba(0, 180, 216, 0.18);
  border-left: 3px solid #00b4d8;
  padding-left: 9px;
}

.line-badge {
  width: 36px;
  height: 26px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.line-route {
  flex: 1;
  font-size: 0.82rem;
  color: #e0e0e0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.line-row.inactive {
  opacity: 0.45;
  cursor: default;
}

.line-row.inactive:hover {
  background: transparent;
}

.no-service {
  font-size: 0.72rem;
  color: #90a4ae;
  font-style: italic;
}

.line-direction {
  flex-shrink: 0;
}

.line-direction select {
  background: #1a1a2e;
  color: #e0e0e0;
  border: 1px solid #0f3460;
  border-radius: 4px;
  padding: 3px 6px;
  font-size: 0.75rem;
  cursor: pointer;
  outline: none;
  width: 130px;
}

.line-direction select:focus {
  border-color: #00b4d8;
}

/* Scrollbar */
#line-list::-webkit-scrollbar {
  width: 5px;
}

#line-list::-webkit-scrollbar-track {
  background: #16213e;
}

#line-list::-webkit-scrollbar-thumb {
  background: #0f3460;
  border-radius: 3px;
}

/* --- Refresh Row --- */
.refresh-row {
  flex-shrink: 0;
  font-size: 0.75rem;
  color: #90a4ae;
  text-align: right;
}

#refreshTimer {
  color: #00b4d8;
  font-weight: bold;
}

/* --- Stop Buttons --- */
#stop-buttons {
  display: flex;
  flex-shrink: 0;
  border-top: 1px solid #0f3460;
}

.stop-btn {
  flex: 1;
  padding: 12px 8px;
  background: #1a1a2e;
  color: #90a4ae;
  border: none;
  border-bottom: 3px solid transparent;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.stop-btn:first-child {
  border-right: 1px solid #0f3460;
}

.stop-btn:hover {
  background: #0f3460;
  color: #e0e0e0;
}

.stop-btn.active {
  background: #0f3460;
  color: #00b4d8;
  border-bottom-color: #00b4d8;
}

/* --- Vertical Resize Handle --- */
#resize-handle-v {
  height: 6px;
  width: 100%;
  background: #0f3460;
  cursor: row-resize;
  flex-shrink: 0;
  position: relative;
  transition: background 0.15s;
  z-index: 10;
}

#resize-handle-v:hover,
#resize-handle-v.dragging {
  background: #00b4d8;
}

#resize-handle-v::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  height: 2px;
  width: 40px;
  border-radius: 2px;
  background: rgba(255,255,255,0.25);
}

/* --- Departure iframe --- */
#departure-container {
  flex-shrink: 0;
  min-height: 60px;
  border-top: 1px solid #0f3460;
  overflow: hidden;
}

#departureFrame {
  width: 100%;
  height: 100%;
  border: none;
  background: #fff;
}

/* --- Main Content --- */
#main {
  flex: 1;
  position: relative;
  display: flex;
  flex-direction: column;
}

/* --- Weather Widget --- */
#weather-widget {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 1000;
  background: rgba(22, 33, 62, 0.92);
  backdrop-filter: blur(8px);
  border: 1px solid #0f3460;
  border-radius: 12px;
  padding: 0.75em;
  width: 301px;
  min-width: 160px;
  max-width: 520px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  /* font-size is set dynamically by JS to drive em scaling */
  font-size: 1rem;
  user-select: none;
}

#weather-resize-handle {
  position: absolute;
  bottom: 4px;
  left: 4px;
  width: 18px;
  height: 18px;
  cursor: sw-resize;
  opacity: 0.3;
  transition: opacity 0.2s;
}

#weather-resize-handle::before,
#weather-resize-handle::after {
  content: '';
  position: absolute;
  background: #90a4ae;
  border-radius: 1px;
}

#weather-resize-handle::before {
  width: 10px;
  height: 2px;
  bottom: 6px;
  left: 2px;
}

#weather-resize-handle::after {
  width: 2px;
  height: 10px;
  bottom: 2px;
  left: 6px;
}

#weather-widget:hover #weather-resize-handle {
  opacity: 0.7;
}

#weather-refresh-btn {
  position: absolute;
  top: 0.5em;
  right: 0.5em;
  background: none;
  border: 1px solid #1a2a4a;
  border-radius: 50%;
  color: #546e7a;
  cursor: pointer;
  font-size: 0.85em;
  width: 1.8em;
  height: 1.8em;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  line-height: 1;
  transition: color 0.2s, border-color 0.2s, transform 0.3s;
}

#weather-refresh-btn:hover {
  color: #00b4d8;
  border-color: #00b4d8;
}

#weather-refresh-btn.spinning {
  transform: rotate(360deg);
  transition: transform 0.5s linear;
}

#weather-current {
  display: flex;
  align-items: center;
  gap: 0.6em;
  padding-right: 2em;
}

#weather-icon {
  font-size: 2.2em;
  line-height: 1;
  flex-shrink: 0;
  align-self: center;
}

#weather-temp {
  font-size: 3.5em;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  flex-shrink: 0;
  align-self: center;
}

#weather-details {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.25em;
  border-left: 1px solid rgba(255,255,255,0.08);
  padding-left: 0.6em;
}

#weather-feels {
  font-size: 0.75em;
  color: #90a4ae;
}

#weather-desc {
  font-size: 0.8em;
  color: #b0bec5;
}

#weather-wind {
  font-size: 0.75em;
  color: #90a4ae;
}

#weather-rain {
  font-size: 0.75em;
  color: #00b4d8;
}

#weather-updated {
  font-size: 0.6em;
  color: #37474f;
  text-align: right;
  margin-top: 0.4em;
  padding-right: 0.2em;
}

/* Rain summary line */
.forecast-summary {
  flex: 0 0 100%;
  font-size: 0.7rem;
  color: #78909c;
  margin-bottom: 6px;
  font-style: italic;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Hourly forecast strip */
#weather-forecast {
  display: flex;
  flex-direction: column;
  margin-top: 0.625em;
  padding-top: 0.5em;
  border-top: 1px solid #0f3460;
}

.forecast-summary {
  font-size: 0.7em;
  color: #78909c;
  margin-bottom: 0.375em;
  font-style: italic;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.forecast-hours {
  display: flex;
  gap: 0.125em;
  overflow-x: auto;
  scrollbar-width: none;
}

.forecast-hours::-webkit-scrollbar {
  display: none;
}

.forecast-hour {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.125em;
  width: 1.875em;
}

.forecast-time {
  font-size: 0.65em;
  color: #90a4ae;
}

.forecast-emoji {
  font-size: 0.95em;
  line-height: 1.2;
}

.forecast-prob {
  font-size: 0.65em;
  font-weight: 600;
}

.forecast-bar {
  width: 1.125em;
  border-radius: 2px 2px 0 0;
  background: #00b4d8;
  opacity: 0.7;
  min-height: 0.125em;
}

/* --- Traffic Disturbance Overlay --- */
#disturbance-overlay {
  position: absolute;
  bottom: 12px;
  right: 12px;
  z-index: 1000;
  background: rgba(18, 26, 50, 0.96);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(230, 57, 70, 0.55);
  border-radius: 12px;
  width: 300px;
  max-height: 260px;
  display: none;
  flex-direction: column;
  box-shadow: 0 4px 24px rgba(230, 57, 70, 0.18);
  transition: max-height 0.25s ease, box-shadow 0.25s ease;
}

#disturbance-overlay.collapsed {
  max-height: 40px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(230, 57, 70, 0.12);
}

#disturbance-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 14px;
  background: rgba(230, 57, 70, 0.12);
  border-bottom: 1px solid rgba(230, 57, 70, 0.25);
  border-radius: 12px 12px 0 0;
  font-size: 0.8rem;
  font-weight: 700;
  color: #e63946;
  flex-shrink: 0;
  letter-spacing: 0.3px;
  cursor: pointer;
  user-select: none;
}

#disturbance-overlay.collapsed #disturbance-header {
  border-bottom: none;
  border-radius: 12px;
}

#disturbance-chevron {
  font-size: 0.9rem;
  transition: transform 0.25s ease;
  margin-left: 6px;
}

#disturbance-overlay.collapsed #disturbance-chevron {
  transform: rotate(-90deg);
}

#disturbance-count {
  font-size: 0.7rem;
  color: #90a4ae;
  font-weight: 400;
}

#disturbance-list {
  overflow-y: auto;
  flex: 1;
}

#disturbance-list::-webkit-scrollbar {
  width: 4px;
}

#disturbance-list::-webkit-scrollbar-thumb {
  background: #0f3460;
  border-radius: 3px;
}

.disturbance-item {
  display: flex;
  gap: 10px;
  padding: 8px 14px;
  border-bottom: 1px solid rgba(15, 52, 96, 0.4);
}

.disturbance-item:last-child {
  border-bottom: none;
}

.disturbance-severity-bar {
  width: 3px;
  border-radius: 3px;
  flex-shrink: 0;
  align-self: stretch;
}

.disturbance-content {
  flex: 1;
  min-width: 0;
}

.disturbance-title {
  font-size: 0.78rem;
  font-weight: 600;
  color: #e0e0e0;
  line-height: 1.35;
  margin-bottom: 2px;
}

.disturbance-desc {
  font-size: 0.7rem;
  color: #90a4ae;
  line-height: 1.4;
  margin-bottom: 2px;
}

.disturbance-time {
  font-size: 0.66rem;
  color: #546e7a;
}

/* --- Map --- */
#map {
  flex: 1;
  min-height: 0;
}

/* Leaflet marker popups */
.vehicle-popup {
  font-size: 0.85rem;
  line-height: 1.4;
}

.vehicle-popup strong {
  color: #0f3460;
}

/* Custom vehicle markers */
.vehicle-marker {
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 11px;
  color: #fff;
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
  text-align: center;
  line-height: 1;
}

/* Stop markers on route */
.stop-marker {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid #00b4d8;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}

.stop-popup {
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
}

/* --- Responsive: smaller tablets --- */
@media (max-width: 800px) {
  body {
    flex-direction: column;
  }

  #sidebar {
    width: 100%;
    min-width: unset;
    height: 50vh;
    border-right: none;
    border-bottom: 1px solid #0f3460;
  }

  #main {
    height: 50vh;
  }

  #weather-widget {
    top: 8px;
    right: 8px;
    padding: 8px 12px;
    min-width: 160px;
  }

  #weather-widget {
    width: 200px;
  }
}