html, body {
  margin: 0;
  height: 100%;
}

#map {
  height: 100%;
}

#toolbar {
  position: absolute;
  top: 10px;
  left: 50px;
  z-index: 1000;
  background: #222;
  padding: 6px;
  color: #fff;
  border-radius: 6px;
}

.grid-cell-label {
  color: white;
  font-weight: bold;
  font-size: 15px;
  text-shadow:
    0 0 3px black,
    0 0 6px black;
  pointer-events: none;
  opacity: 0.95;
}

.leaflet-tooltip {
  background-color: rgba(0, 0, 0, 0.85);
  color: white;
  border: none;
  font-weight: bold;
  font-size: 13px;
  padding: 4px 8px;
  border-radius: 4px;
  box-shadow: 0 0 4px black;
}

#filters {
  position: absolute;
  top: 50px;
  left: 50px;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.8);
  padding: 8px 12px;
  border-radius: 6px;
  color: white;
  font-size: 14px;
}

#filters label {
  display: block;
  cursor: pointer;
  margin-bottom: 4px;
}

#filters input {
  margin-right: 6px;
}