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

#toolbar {
  background: #333;
  padding: 10px;
  color: white;
}

#toolbar button {
  margin-right: 10px;
  padding: 5px 10px;
}

#mapContainer {
  position: relative;
  width: 100%;
  height: 100%;
}

#map {
  width: 100%;
  height: 100%;
}

#drawCanvas {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
  width: 100%;
  height: 100%;
  pointer-events: none;
}