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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow: hidden;
}

#map {
  width: 100vw;
  height: 100vh;
}

/* Legend Panel */
.legend {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 8px;
  padding: 16px 20px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
  z-index: 10;
  max-width: 720px;
  backdrop-filter: blur(8px);
}

.legend h3 {
  font-size: 14px;
  color: #333;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid #eee;
}

.legend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px 16px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: #555;
  white-space: nowrap;
}

.legend-color {
  width: 28px;
  height: 14px;
  border-radius: 2px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  flex-shrink: 0;
}

/* Info Panel (top-right stats) */
.info-panel {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 8px;
  padding: 16px 20px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
  z-index: 10;
  min-width: 220px;
  backdrop-filter: blur(8px);
}

.info-panel h3 {
  font-size: 14px;
  color: #333;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid #eee;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 0;
  font-size: 13px;
}

.stat-label {
  color: #666;
  display: flex;
  align-items: center;
  gap: 6px;
}

.stat-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  display: inline-block;
}

.stat-value {
  color: #333;
  font-weight: 600;
}

/* Popup */
.maplibregl-popup-content {
  padding: 16px !important;
  border-radius: 8px !important;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2) !important;
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.popup-title {
  font-size: 16px;
  font-weight: 700;
  color: #333;
  margin-bottom: 8px;
}

.popup-row {
  display: flex;
  justify-content: space-between;
  padding: 3px 0;
  font-size: 13px;
  color: #555;
}

.popup-row span:first-child {
  color: #999;
}

.popup-row span:last-child {
  font-weight: 500;
  color: #333;
}

/* Title bar */
.title-bar {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.95);
  border-radius: 8px;
  padding: 10px 24px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
  z-index: 10;
  backdrop-filter: blur(8px);
}

.title-bar h1 {
  font-size: 16px;
  color: #333;
  font-weight: 600;
  white-space: nowrap;
}

/* Hover effect */
.mapboxgl-canvas {
  cursor: pointer;
}