html, body, #map {
  height: 100%;
  margin: 0;
  padding: 0;
}
#legend {
  position: absolute;
  bottom: 30px;
  left: 10px;
  background: white;
  padding: 10px;
  border-radius: 8px;
  font-family: sans-serif;
  font-size: 14px;
  box-shadow: 0 0 8px rgba(0,0,0,0.3);
  z-index: 1000;
}
#legend h4 {
  margin: 0 0 5px;
}
#legend div {
  margin: 3px 0;
}
#legend span {
  display: inline-block;
  width: 20px;
  height: 10px;
  margin-right: 6px;
  vertical-align: middle;
}

#updates {
  position: absolute;
  top: 10px;
  left: 45px;
  background: rgba(255, 255, 255, 0.95);
  padding: 10px 15px;
  font-size: 14px;
  border-radius: 8px;
  z-index: 1000;
  font-family: sans-serif;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.2);
}