body {
  margin: 0;
  overflow: hidden;
  font-family: system-ui, sans-serif;
  background: #f1f1f1;
}

#waterBtn {
  position: absolute;
  bottom: 20px;
  left: 20px;
  padding: 12px 20px;
  font-size: 18px;
  border: none;
  background: #4cbb17;
  color: white;
  border-radius: 8px;
  cursor: pointer;
  z-index: 10;
}

#waterBtn:hover {
  background: #3a9e13;
}

#status {
  position: absolute;
  top: 20px;
  left: 20px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 8px;
  font-size: 14px;
  z-index: 10;
}