:root {
  --bg-dark: #0a0d12;
  --bg-card: #121820;
  --bg-card-hover: #19222e;
  --border-color: #202b38;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #53606f;
  --accent-green: #00e676;
  --accent-cyan: #00e5ff;
  --accent-amber: #ffd600;
  --accent-red: #ff3d00;
  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body.dark-theme {
  font-family: var(--font-ui);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  display: flex;
  flex-direction: column;
}

/* Header / Navigation */
.top-nav {
  height: 52px;
  background: rgba(18, 24, 32, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 1000;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.radar-sweep {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--accent-green);
  position: relative;
  background: radial-gradient(circle, rgba(0, 230, 118, 0.2) 0%, transparent 70%);
}

.radar-sweep::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 2px;
  background: var(--accent-green);
  transform-origin: left center;
  animation: sweep 2s linear infinite;
}

@keyframes sweep {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-text .title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--text-primary);
}

.brand-text .subtitle {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--accent-green);
}

/* Search Bar */
.search-container {
  display: flex;
  align-items: center;
  background: #0d1217;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0 10px;
  width: 320px;
  height: 32px;
  transition: all 0.2s;
}

.search-container:focus-within {
  border-color: var(--accent-green);
  box-shadow: 0 0 0 1px rgba(0, 230, 118, 0.3);
}

.search-icon {
  color: var(--text-secondary);
  margin-right: 8px;
}

.search-container input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 12px;
  font-family: var(--font-ui);
  width: 100%;
}

.search-container input::placeholder {
  color: var(--text-muted);
}

.btn-icon {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
}

/* Status Bar */
.status-bar {
  display: flex;
  align-items: center;
  gap: 16px;
}

.stat-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #0d1217;
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 4px;
  font-family: var(--font-mono);
}

.stat-badge-clickable {
  cursor: pointer;
  user-select: none;
  transition: all 0.2s;
}

.stat-badge-clickable:hover,
.stat-badge-clickable.badge-active {
  background: #19222e;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.25);
}

.badge-chevron {
  font-size: 8px;
  color: var(--text-muted);
  transition: transform 0.2s ease;
  margin-left: 2px;
}

.stat-badge-clickable:hover .badge-chevron,
.stat-badge-clickable.badge-active .badge-chevron {
  color: var(--accent-cyan);
}

.stat-badge-clickable.badge-active .badge-chevron {
  transform: rotate(180deg);
}

.stat-label {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.stat-value {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-cyan);
}

/* Toggle Planes Button */
.btn-toggle-planes {
  background: #0d1217;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 4px 8px;
  min-width: 32px;
  height: 28px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s;
}

.btn-toggle-planes:hover {
  background: #19222e;
  color: var(--text-primary);
  border-color: var(--accent-green);
}

.btn-toggle-planes.active {
  background: rgba(0, 230, 118, 0.12);
  border-color: var(--accent-green);
  color: var(--accent-green);
  box-shadow: 0 0 8px rgba(0, 230, 118, 0.25);
}

.btn-toggle-planes .plane-btn-icon {
  font-size: 14px;
  line-height: 1;
}

/* Toggle Flags Button */
.btn-toggle-flags {
  background: #0d1217;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 4px 8px;
  min-width: 32px;
  height: 28px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s;
}

.btn-toggle-flags:hover {
  background: #19222e;
  color: var(--text-primary);
  border-color: var(--accent-cyan);
}

.btn-toggle-flags.active {
  background: rgba(0, 229, 255, 0.12);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 8px rgba(0, 229, 255, 0.25);
}

.btn-toggle-flags .flag-btn-icon {
  font-size: 14px;
  line-height: 1;
}

.btn-heatmap {
  background: #0d1217;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 4px 8px;
  min-width: 32px;
  height: 28px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s;
}

.btn-heatmap:hover {
  background: #19222e;
  color: var(--text-primary);
  border-color: var(--accent-amber);
}

.btn-heatmap.active {
  background: rgba(255, 109, 0, 0.18);
  border-color: #ff6d00;
  color: #ff9100;
  box-shadow: 0 0 10px rgba(255, 109, 0, 0.35);
}

.btn-heatmap .heat-flame {
  font-size: 14px;
  line-height: 1;
}

.heatmap-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.heatmap-range-pills {
  display: none;
}

.heatmap-range-pills.visible {
  display: flex;
}

.heatmap-range-pills .range-pill.active {
  background: rgba(255, 109, 0, 0.25);
  color: #ff9100;
  box-shadow: 0 0 6px rgba(255, 109, 0, 0.4);
}

/* Trail Group in Top Nav */
.trail-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.trail-group-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  cursor: default;
}

.trail-group-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.trail-range-pills .range-pill.active,
.modal-trail-range-pills .range-pill.active {
  background: rgba(0, 229, 255, 0.2);
  color: var(--accent-cyan);
  box-shadow: 0 0 6px rgba(0, 229, 255, 0.4);
}

/* Airborne History Foldout Popover */
.airborne-popover {
  position: absolute;
  top: 58px;
  right: 16px;
  width: 540px;
  max-width: calc(100vw - 32px);
  background: rgba(18, 24, 32, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.85), 0 0 1px rgba(0, 229, 255, 0.2);
  z-index: 1500;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  transform-origin: top right;
}

.airborne-popover.closed {
  opacity: 0;
  visibility: hidden;
  transform: scale(0.96) translateY(-8px);
  pointer-events: none;
}

.popover-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(32, 43, 56, 0.8);
  padding-bottom: 10px;
}

.popover-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-primary);
}

.popover-title .radar-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 6px var(--accent-green);
}

.popover-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.range-pills {
  display: flex;
  background: #0d1217;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 2px;
  gap: 2px;
}

.range-pill {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.15s;
}

.range-pill:hover {
  color: var(--text-primary);
}

.range-pill.active {
  background: #202b38;
  color: var(--accent-cyan);
  box-shadow: 0 0 6px rgba(0, 229, 255, 0.3);
}

.close-popover {
  font-size: 18px;
  line-height: 1;
  color: var(--text-muted);
}

.close-popover:hover {
  color: var(--text-primary);
}

/* Popover Stat Highlight Boxes */
.popover-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.stat-box {
  background: #0d1217;
  border: 1px solid rgba(32, 43, 56, 0.7);
  border-radius: 4px;
  padding: 6px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-box-label {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.stat-box-val {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
}

.text-green { color: var(--accent-green); }
.text-cyan { color: var(--accent-cyan); }
.text-amber { color: var(--accent-amber); }

/* SVG Chart Container */
.chart-container {
  position: relative;
  width: 100%;
  height: 180px;
  background: #0d1217;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
}

#airborne-svg-chart {
  width: 100%;
  height: 100%;
  display: block;
}

.chart-tooltip {
  position: absolute;
  pointer-events: none;
  background: rgba(18, 24, 32, 0.95);
  border: 1px solid var(--accent-cyan);
  border-radius: 4px;
  padding: 4px 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.8), 0 0 8px rgba(0, 229, 255, 0.3);
  font-family: var(--font-mono);
  font-size: 10px;
  z-index: 10;
  white-space: nowrap;
}

.chart-tooltip .tip-time {
  color: var(--text-muted);
  font-size: 9px;
}

.chart-tooltip .tip-count {
  color: var(--text-primary);
  font-weight: 700;
  margin-top: 1px;
}

.chart-tooltip .tip-num {
  color: var(--accent-green);
  font-size: 12px;
}

.live-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  background: rgba(0, 230, 118, 0.1);
  color: var(--accent-green);
  border: 1px solid rgba(0, 230, 118, 0.3);
}

.live-badge.history-mode {
  background: rgba(255, 214, 0, 0.1);
  color: var(--accent-amber);
  border-color: rgba(255, 214, 0, 0.3);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 6px var(--accent-green);
  animation: pulse 1.5s infinite;
}

.live-badge.history-mode .pulse-dot {
  background: var(--accent-amber);
  box-shadow: 0 0 6px var(--accent-amber);
  animation: none;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.8; }
}

/* Map Container */
#map-container {
  flex: 1;
  position: relative;
  width: 100%;
  height: calc(100vh - 52px - 64px);
}

#map {
  width: 100%;
  height: 100%;
  background: #0a0d12;
}

/* Custom Leaflet Map Panes */
.leaflet-pane.leaflet-baseGeoJsonPane-pane {
  z-index: 250;
}

.leaflet-pane.leaflet-heatPane-pane {
  z-index: 350;
  pointer-events: none;
}

.leaflet-heatmap-layer {
  pointer-events: none;
}

/* Custom Plane Marker */
.plane-marker-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.25s ease;
}

.plane-svg {
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.8));
  transition: transform 0.3s cubic-bezier(0.2, 0, 0.2, 1);
}

.plane-marker-selected .plane-svg {
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.8));
}

/* Dim unselected aircraft to 30% opacity when any aircraft are selected */
.has-selection .plane-marker-icon:not(.plane-marker-selected) {
  opacity: 0.3 !important;
}

.has-selection .plane-marker-icon:not(.plane-marker-selected):hover {
  opacity: 0.7 !important;
}

.has-selection .plane-marker-selected {
  opacity: 1 !important;
  z-index: 1000 !important;
}

/* When a specific selected row is highlighted in the modal table: */
/* Dim all OTHER selected aircraft to 60% opacity */
.has-row-highlight .plane-marker-selected:not(.plane-marker-focused) {
  opacity: 0.6 !important;
  z-index: 1000 !important;
}

/* The highlighted aircraft stays at 100% opacity with an intense glow */
.has-row-highlight .plane-marker-focused {
  opacity: 1 !important;
  z-index: 1050 !important;
  filter: drop-shadow(0 0 8px rgba(0, 229, 255, 0.95)) drop-shadow(0 0 3px #00e5ff) !important;
}

.has-row-highlight .plane-marker-focused .flag-marker-circle {
  border-color: #00ffff !important;
  box-shadow: 0 0 14px rgba(0, 229, 255, 0.95), 0 0 4px #00e5ff !important;
}

/* Dotted connection line across radar/ADS-B coverage gaps */
.trail-gap-dotted {
  pointer-events: none !important;
  filter: drop-shadow(0 0 2px rgba(0, 0, 0, 0.6));
}

/* Flag Marker Mode Styles */
.flag-marker-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s cubic-bezier(0.2, 0, 0.2, 1);
}

.flag-marker-circle {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: rgba(14, 20, 28, 0.95);
  border: 2px solid #00e5ff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.85);
  box-sizing: border-box;
}

.flag-marker-emoji {
  font-size: 14px;
  line-height: 1;
  display: inline-block;
  user-select: none;
  pointer-events: none;
}

.plane-marker-selected .flag-marker-circle {
  border-width: 2.5px;
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.8), 0 2px 8px rgba(0, 0, 0, 0.9);
}

.plane-marker-selected .flag-marker-emoji {
  font-size: 17px;
}

.flag-marker-heading {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  transform-origin: center center;
}

.flag-marker-pointer {
  position: absolute;
  top: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 3.5px solid transparent;
  border-right: 3.5px solid transparent;
  border-bottom: 5px solid #00e5ff;
}

/* Tooltips */
.leaflet-tooltip.plane-tooltip {
  background: rgba(18, 24, 32, 0.95);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.leaflet-tooltip-top.plane-tooltip:before {
  border-top-color: rgba(18, 24, 32, 0.95);
}

/* OpenStreetMap Dark Filter (Zero API Key) */
.dark-tiles .leaflet-tile {
  filter: invert(100%) hue-rotate(180deg) brightness(75%) contrast(130%) grayscale(40%);
}

/* Leaflet layer control dark theme */
.leaflet-control-layers {
  background: rgba(18, 24, 32, 0.95) !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-primary) !important;
  border-radius: 6px !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5) !important;
  font-family: var(--font-ui) !important;
  font-size: 11px !important;
  user-select: none !important;
  -webkit-user-select: none !important;
  -moz-user-select: none !important;
}

.leaflet-control-layers-expanded {
  padding: 8px 12px !important;
  user-select: none !important;
  -webkit-user-select: none !important;
  -moz-user-select: none !important;
}

.leaflet-control-layers-base label,
.leaflet-control-layers-overlays label {
  display: flex !important;
  align-items: center !important;
  gap: 6px !important;
  margin-bottom: 4px !important;
  cursor: pointer !important;
  user-select: none !important;
  -webkit-user-select: none !important;
  -moz-user-select: none !important;
}

.leaflet-control {
  user-select: none !important;
  -webkit-user-select: none !important;
  -moz-user-select: none !important;
}

/* Zoom Control: Positioned bottom-right above altitude legend & dark-themed */
.leaflet-bottom.leaflet-right .leaflet-control-zoom {
  margin-bottom: 235px !important;
  margin-right: 16px !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 6px !important;
  overflow: hidden !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5) !important;
}

.leaflet-control-zoom a {
  background-color: #121820 !important;
  color: var(--text-primary) !important;
  border-bottom: 1px solid var(--border-color) !important;
  transition: background-color 0.2s, color 0.2s !important;
}

.leaflet-control-zoom a:last-child {
  border-bottom: none !important;
}

.leaflet-control-zoom a:hover {
  background-color: #1d2734 !important;
  color: var(--accent-cyan) !important;
}

/* Altitude Legend */
.altitude-legend {
  position: absolute;
  bottom: 80px;
  right: 16px;
  background: rgba(18, 24, 32, 0.9);
  backdrop-filter: blur(6px);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 10px 14px;
  z-index: 800;
  font-size: 11px;
  pointer-events: auto;
}

.legend-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.legend-scale {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.legend-step {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
}

.color-box {
  width: 12px;
  height: 8px;
  border-radius: 2px;
}

/* Detail Panel */
.detail-panel {
  position: absolute;
  top: 16px;
  left: 16px;
  width: 320px;
  max-height: calc(100vh - 136px);
  overflow-y: auto;
  background: rgba(18, 24, 32, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
  z-index: 900;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.detail-panel.closed {
  transform: translateX(-340px);
  opacity: 0;
  pointer-events: none;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.panel-title-group {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.panel-callsign {
  font-size: 18px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent-cyan);
}

.panel-reg {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  line-height: 1;
}

.close-btn:hover {
  color: var(--text-primary);
}

.panel-body {
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.aircraft-desc-card {
  background: #0d1217;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 10px;
}

.desc-label {
  font-size: 9px;
  color: var(--text-muted);
  letter-spacing: 0.8px;
  font-weight: 600;
}

.desc-value {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 2px;
}

.desc-code {
  font-size: 11px;
  color: var(--accent-amber);
  font-family: var(--font-mono);
  margin-top: 4px;
}

.miscode-pill {
  display: inline-block;
  font-size: 9px;
  font-weight: 700;
  color: #ffb74d;
  background: rgba(255, 152, 0, 0.15);
  border: 1px solid rgba(255, 152, 0, 0.4);
  border-radius: 3px;
  padding: 1px 5px;
  margin-left: 6px;
  letter-spacing: 0.5px;
  vertical-align: middle;
}

.telemetry-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.telemetry-item {
  background: #0d1217;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
}

.telem-label {
  font-size: 9px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  font-weight: 600;
}

.telem-val {
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--text-primary);
  margin-top: 2px;
}

.panel-actions {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  padding: 6px 12px;
  border: 1px solid transparent;
  transition: all 0.2s;
}

.btn-secondary {
  flex: 1;
  background: #18202b;
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: #222d3d;
  border-color: var(--text-muted);
}

.btn-secondary.active {
  background: rgba(0, 229, 255, 0.15);
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

.trail-info {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 4px;
  font-style: italic;
}

/* Bottom Timeline Bar */
.timeline-bar {
  height: 64px;
  background: rgba(18, 24, 32, 0.98);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 16px;
  z-index: 1000;
}

.timeline-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-live {
  background: #18202b;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
}

.btn-live .live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
}

.btn-live.active {
  background: rgba(0, 230, 118, 0.15);
  color: var(--accent-green);
  border-color: var(--accent-green);
}

.btn-live.active .live-dot {
  background: var(--accent-green);
  box-shadow: 0 0 6px var(--accent-green);
}

.btn-ctrl {
  background: #18202b;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 32px;
  height: 32px;
  padding: 0;
}

.btn-ctrl:hover {
  background: #222d3d;
}

.speed-selector {
  display: flex;
  background: #0d1217;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  overflow: hidden;
}

.speed-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 6px 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.speed-btn:hover {
  color: var(--text-primary);
}

.speed-btn.active {
  background: #222d3d;
  color: var(--accent-cyan);
  font-weight: 700;
}

/* Timeline Range Slider */
.slider-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.slider-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.time-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

.current-time-display {
  color: var(--accent-green);
  font-weight: 700;
  font-size: 12px;
}

/* Range Input Cross-Browser Base */
input[type=range] {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  width: 100%;
  height: 20px;
  background: transparent;
  cursor: pointer;
  margin: 0;
}

input[type=range]:focus {
  outline: none;
}

/* Track: Distinct dark rail with crisp border for slider to move on */
input[type=range]::-webkit-slider-runnable-track {
  width: 100%;
  height: 6px;
  cursor: pointer;
  background: #19222e;
  border-radius: 3px;
  border: 1px solid #2e3d4f;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.7);
}

input[type=range]::-moz-range-track {
  width: 100%;
  height: 6px;
  cursor: pointer;
  background: #19222e;
  border-radius: 3px;
  border: 1px solid #2e3d4f;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.7);
}

/* Thumb: Sleek dark-mode knob (dark center with tactical green glow, NOT white/gray) */
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  height: 18px;
  width: 18px;
  border-radius: 50%;
  background: #0f151d;
  border: 2px solid var(--accent-green);
  box-shadow: 0 0 10px rgba(0, 230, 118, 0.6), inset 0 0 5px rgba(0, 230, 118, 0.4);
  cursor: pointer;
  margin-top: -7px;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

input[type=range]::-moz-range-thumb {
  -moz-appearance: none;
  appearance: none;
  height: 16px;
  width: 16px;
  border-radius: 50%;
  background: #0f151d;
  border: 2px solid var(--accent-green);
  box-shadow: 0 0 10px rgba(0, 230, 118, 0.6), inset 0 0 5px rgba(0, 230, 118, 0.4);
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

input[type=range]::-webkit-slider-thumb:hover {
  transform: scale(1.25);
  background: #121820;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 14px rgba(0, 229, 255, 0.8), inset 0 0 6px rgba(0, 229, 255, 0.5);
}

input[type=range]::-moz-range-thumb:hover {
  transform: scale(1.25);
  background: #121820;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 14px rgba(0, 229, 255, 0.8), inset 0 0 6px rgba(0, 229, 255, 0.5);
}

input[type=range]:active::-webkit-slider-thumb {
  transform: scale(1.1);
  background: #0a0d12;
  border-color: #00e5ff;
}

input[type=range]:active::-moz-range-thumb {
  transform: scale(1.1);
  background: #0a0d12;
  border-color: #00e5ff;
}

/* Multi-Aircraft Selection Sidebar */
.multi-select-modal {
  position: absolute;
  top: 16px;
  left: 16px;
  width: 380px;
  min-width: 320px;
  max-width: calc(100vw - 32px);
  max-height: calc(100vh - 148px);
  background: rgba(18, 24, 32, 0.96);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.85), 0 0 0 1px rgba(255, 255, 255, 0.05);
  z-index: 950;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: width 0.2s ease, transform 0.25s ease, opacity 0.25s ease;
}

.multi-select-modal.wide-sidebar {
  width: 520px;
}

.multi-select-modal.closed {
  transform: translateX(-560px);
  opacity: 0;
  pointer-events: none;
}

.multi-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background: #0d1217;
  border-bottom: 1px solid var(--border-color);
}

.multi-modal-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.multi-modal-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
}

.multi-modal-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-primary);
}

.multi-modal-badge {
  background: rgba(0, 229, 255, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 229, 255, 0.4);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 1px 8px;
  border-radius: 12px;
}

.multi-modal-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-clear-all {
  background: #19222e;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-clear-all:hover {
  background: rgba(255, 61, 0, 0.15);
  border-color: rgba(255, 61, 0, 0.5);
  color: var(--accent-red);
}

.btn-cog {
  background: #19222e;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 24px;
  height: 24px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-cog:hover, .btn-cog.active {
  background: #222d3d;
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

.col-settings-dropdown {
  position: absolute;
  top: 44px;
  right: 16px;
  width: 210px;
  background: #0d1217;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.8), 0 0 1px rgba(0, 229, 255, 0.4);
  z-index: 1000;
  padding: 8px 0;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.col-settings-dropdown.closed {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
}

.col-settings-header {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  padding: 4px 12px 6px;
  border-bottom: 1px solid rgba(32, 43, 56, 0.6);
}

.col-settings-list {
  display: flex;
  flex-direction: column;
  padding: 4px 0;
}

.col-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  font-size: 11px;
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
  transition: background-color 0.15s;
}

.col-item:hover {
  background: rgba(0, 229, 255, 0.08);
}

.col-item input[type="checkbox"] {
  accent-color: var(--accent-cyan);
  cursor: pointer;
}

/* Column visibility toggles */
.hide-col-countryCode .col-country-code { display: none !important; }
.hide-col-reg .col-reg { display: none !important; }
.hide-col-type .col-type { display: none !important; }
.hide-col-alt .col-alt { display: none !important; }
.hide-col-speed .col-speed { display: none !important; }
.hide-col-track .col-track { display: none !important; }
.hide-col-squawk .col-squawk { display: none !important; }

/* Multi-Modal Subbar */
.multi-modal-subbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 14px;
  background: #0d1217;
  border-bottom: 1px solid var(--border-color);
  font-size: 11px;
}

.trail-subbar-group {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
}

.subbar-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

/* Aircraft Vector Silhouette Detail Card */
.aircraft-vector-card {
  padding: 10px 14px;
  background: #0a0e14;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all 0.2s ease;
}

.aircraft-vector-card.closed {
  display: none;
}

.vector-card-preview {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 6px;
  overflow: hidden;
  background: #080c10;
  border: 1px solid #141c26;
}

.detail-vector-svg {
  width: 100%;
  height: auto;
  max-height: 120px;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.8));
}

.vector-card-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.vector-card-type-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.vector-card-role-badge {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.8px;
  padding: 2px 7px;
  border-radius: 3px;
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  text-transform: uppercase;
}

.vector-card-type-code {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-amber);
}

.vector-card-name {
  font-size: 12px;
  color: var(--text-primary);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.vector-card-telemetry {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 2px;
}

.telem-chip {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  background: #121820;
  border: 1px solid #1e2936;
  color: var(--text-secondary);
  padding: 2px 6px;
  border-radius: 3px;
}

.multi-modal-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: auto;
  max-height: calc(100vh - 220px);
  min-height: 80px;
  background: #121820;
}

/* Custom scrollbars for modal */
.multi-modal-body::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.multi-modal-body::-webkit-scrollbar-track {
  background: #0d1217;
}

.multi-modal-body::-webkit-scrollbar-thumb {
  background: #263445;
  border-radius: 3px;
}

.multi-modal-body::-webkit-scrollbar-thumb:hover {
  background: #36485e;
}

.table-responsive {
  width: 100%;
}

.multi-aircraft-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  text-align: left;
}

.multi-aircraft-table thead th {
  position: sticky;
  top: 0;
  background: #0d1217;
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.8px;
  padding: 7px 8px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
  user-select: none;
  z-index: 5;
}

.multi-aircraft-table thead th.sortable {
  cursor: pointer;
  transition: color 0.15s;
}

.multi-aircraft-table thead th.sortable:hover {
  color: var(--accent-cyan);
}

.sort-arrow {
  color: var(--accent-cyan);
  margin-left: 3px;
  font-size: 9px;
}

.sort-arrow-idle {
  color: var(--text-muted);
  margin-left: 3px;
  font-size: 9px;
  opacity: 0.5;
}

.multi-aircraft-table tbody tr {
  border-bottom: 1px solid rgba(32, 43, 56, 0.6);
  cursor: pointer;
  transition: background-color 0.15s;
}

.multi-aircraft-table tbody tr:hover {
  background-color: rgba(0, 229, 255, 0.08);
}

.multi-aircraft-table tbody tr.row-highlighted {
  background-color: rgba(0, 229, 255, 0.16) !important;
  box-shadow: inset 3px 0 0 #00e5ff;
}

.multi-aircraft-table tbody tr.row-highlighted td {
  color: #ffffff !important;
}

.multi-aircraft-table tbody tr.row-highlighted .cell-callsign {
  color: #00ffff !important;
  text-shadow: 0 0 8px rgba(0, 229, 255, 0.6);
}

.multi-aircraft-table td {
  padding: 6px 8px;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-primary);
  vertical-align: middle;
}

.text-right {
  text-align: right !important;
}

.text-center {
  text-align: center !important;
}

/* Flag cell styling */
.cell-flag {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-ui) !important;
}

.flag-icon {
  font-size: 16px;
  line-height: 1;
  display: inline-block;
}

.country-code {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 600;
}

.cell-callsign {
  font-weight: 700;
  color: var(--accent-cyan);
}

.cell-reg {
  color: var(--text-secondary);
}

.cell-type {
  color: var(--accent-amber);
  font-weight: 600;
}

.cell-alt {
  text-align: right !important;
  white-space: nowrap;
}

.alt-wrapper {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 7px;
  width: 100%;
}

.alt-val {
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
  font-size: 11px;
}

.alt-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.badge-gnd {
  display: inline-block;
  background: rgba(120, 144, 156, 0.2);
  color: #78909c;
  border: 1px solid rgba(120, 144, 156, 0.4);
  font-size: 10px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 3px;
}

.cell-speed, .cell-track {
  font-variant-numeric: tabular-nums;
}

.cell-squawk {
  color: var(--text-secondary);
}

.btn-deselect-row {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1;
  width: 22px;
  height: 22px;
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}

.btn-deselect-row:hover {
  background: rgba(255, 61, 0, 0.2);
  border-color: rgba(255, 61, 0, 0.5);
  color: var(--accent-red);
}

.multi-modal-footer {
  padding: 6px 14px;
  background: #0d1217;
  border-top: 1px solid var(--border-color);
  font-size: 10px;
  color: var(--text-muted);
  text-align: center;
}