html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: system-ui, sans-serif;
}

#map {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

#panel {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  padding: 10px 12px;
  border-radius: 8px;
  max-height: 90vh;
  overflow-y: auto;
  width: 260px;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.3);
  font-size: 13px;
}

#status {
  font-weight: 600;
  margin-bottom: 8px;
}

.drone-item {
  border-bottom: 1px solid #ddd;
  padding: 5px 0;
  transition: opacity 0.3s;
}

.drone-item b {
  display: block;
}

.drone-item.stale {
  opacity: 0.4;
}