body {
  margin: 0;
  font-family: Arial, sans-serif;
  overflow: hidden;
}

#map {
  height: 100vh;
  width: calc(100vw - 300px);
  position: absolute;
  right: 0;
  top: 0;
}

#sidebar {
  width: 300px;
  height: 100vh;
  background: #f3f3f3;
  border-right: 1px solid #ccc;
  padding: 15px;
  overflow-y: auto;
  position: absolute;
  left: 0;
  top: 0;
}

.item {
  background: white;
  padding: 10px;
  margin-bottom: 8px;
  border-radius: 6px;
  border: 1px solid #ddd;
}

.item h3 {
  margin: 0 0 5px 0;
}