body,
html {
  margin: 0;
  padding: 0;
  height: 100%;
}
#map,
html,
body {
  width: 100vw;
}
#toolbar {
  position: absolute;
  top: 10px;
  left: 50px;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9);
  padding: 6px 8px;
  border-radius: 4px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
  display: flex;
  gap: 6px;
  align-items: center;
}
#toolbar input[type='text'] {
  font-size: 16px;
  padding: 6px 8px;
}
#toolbar button {
  padding: 6px 10px;
}
#map {
  width: 100%;
  height: 100%;
}

.route-label {
  font: 12px/1.2 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: #111;
  background: rgba(255, 255, 255, 0.8);
  padding: 1px 4px;
  border-radius: 3px;
  white-space: nowrap;
  border: 1px solid rgba(0, 0, 0, 0.2);
  user-select: none;
  cursor: pointer;
  will-change: transform; /* hint for better perf */
}