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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  display: flex;
  height: 100vh;
  overflow: hidden;
  background: #1a1a2e;
  color: #e0e0e0;
}

#sidebar {
  width: 360px;
  min-width: 360px;
  height: 100vh;
  overflow-y: auto;
  background: #16213e;
  border-right: 1px solid #0f3460;
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  padding: 20px;
  background: #0f3460;
  border-bottom: 1px solid #533483;
}

.sidebar-header h1 {
  font-size: 22px;
  font-weight: 700;
  color: #e94560;
}

.sidebar-header .subtitle {
  font-size: 13px;
  color: #8899aa;
  margin-top: 4px;
}

/* Daily chart */
#daily-chart {
  padding: 12px 16px;
  border-bottom: 1px solid #0f3460;
  background: #16213e;
}

#daily-chart .chart-title {
  font-size: 11px;
  color: #8899aa;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

#daily-canvas {
  width: 100%;
  height: 80px;
  display: block;
}

#plane-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

#map {
  flex: 1;
  height: 100vh;
}

/* Plane card */
.plane-card {
  background: #1a1a2e;
  border-radius: 8px;
  margin-bottom: 8px;
  border-left: 4px solid;
  overflow: hidden;
}

.plane-header {
  display: flex;
  align-items: center;
  padding: 12px 14px;
  cursor: pointer;
  user-select: none;
}

.plane-header:hover {
  background: rgba(255,255,255,0.05);
}

.color-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-right: 10px;
  flex-shrink: 0;
}

.tail-number {
  font-weight: 600;
  font-size: 15px;
  flex: 1;
}

.flight-count {
  font-size: 12px;
  color: #8899aa;
  margin-right: 10px;
}

/* Toggle switch */
.toggle {
  position: relative;
  width: 40px;
  height: 22px;
  flex-shrink: 0;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background: #333;
  border-radius: 22px;
  transition: 0.2s;
}

.slider:before {
  content: "";
  position: absolute;
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: 0.2s;
}

.toggle input:checked + .slider {
  background: #e94560;
}

.toggle input:checked + .slider:before {
  transform: translateX(18px);
}

/* Stats row */
.plane-stats {
  display: flex;
  gap: 12px;
  padding: 0 14px 10px;
  flex-wrap: wrap;
}

.stat {
  font-size: 11px;
  color: #8899aa;
}

.stat-value {
  font-weight: 600;
  color: #ccc;
}

/* Flight list */
.flight-list {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.plane-card.expanded .flight-list {
  max-height: 2000px;
}

.flight-item {
  display: flex;
  align-items: center;
  padding: 8px 14px 8px 36px;
  font-size: 13px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.flight-item:hover {
  background: rgba(255,255,255,0.03);
}

.flight-info {
  flex: 1;
  min-width: 0;
}

.flight-route {
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.flight-meta {
  font-size: 11px;
  color: #8899aa;
  margin-top: 2px;
}

.flight-toggle {
  margin-left: 8px;
}

.flight-toggle .toggle {
  width: 32px;
  height: 18px;
}

.flight-toggle .slider:before {
  height: 12px;
  width: 12px;
}

.flight-toggle .toggle input:checked + .slider:before {
  transform: translateX(14px);
}

/* Expand arrow */
.expand-arrow {
  font-size: 10px;
  margin-right: 8px;
  transition: transform 0.2s;
  color: #8899aa;
}

.plane-card.expanded .expand-arrow {
  transform: rotate(90deg);
}

/* Loading */
.loading {
  text-align: center;
  padding: 40px;
  color: #8899aa;
}