html, body { margin: 0; height: 100%; font-family: system-ui, sans-serif; }
#map { position: absolute; inset: 0; }

#panel {
  position: absolute; top: 12px; right: 12px; z-index: 5;
  background: rgba(255,255,255,0.95); padding: 12px 16px; border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25); min-width: 160px;
}
#panel h3 { margin: 0 0 8px; font-size: 15px; }
#panel .stat { display: flex; justify-content: space-between; font-size: 14px; margin: 2px 0; }
#panel hr { margin: 10px 0; border: none; border-top: 1px solid #ddd; }
#panel label { display: block; font-size: 14px; margin: 4px 0; cursor: pointer; }

.maplibregl-popup-content { font-size: 13px; line-height: 1.4; }
.maplibregl-popup-content b { color: #1a73e8; }