body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

header {
  background: #1a365d;
  color: white;
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

header h1 {
  margin: 0;
  font-size: 1.25rem;
}

.controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

select, button {
  padding: 0.4rem 0.75rem;
  border-radius: 4px;
  border: none;
  font-size: 0.9rem;
}

button {
  background: #3182ce;
  color: white;
  cursor: pointer;
}

button:hover {
  background: #2b6cb0;
}

#map {
  height: calc(100vh - 60px);
  width: 100%;
}

#info {
  position: absolute;
  bottom: 10px;
  left: 10px;
  background: rgba(255,255,255,0.9);
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  font-size: 0.85rem;
  z-index: 1000;
  max-width: 300px;
}