body { margin: 0; background: #000; font-family: system-ui, sans-serif; }
#map { height: 100vh; margin-left: 200px; }
#sidebar { position: fixed; width: 200px; height: 100vh; background: #111; color: #fff; padding: 10px; z-index: 1000; }
label { display: block; margin-bottom: 6px; }
.vehicle-icon { will-change: transform; }
.arrow { width: 0; height: 0; border-left: 8px solid transparent; border-right: 8px solid transparent; border-bottom: 18px solid white; position: relative; }
.arrow span { position: absolute; top: -18px; left: -10px; font-size: 10px; color: white; }
@media (max-width: 768px) {
  #sidebar { bottom: 0; width: 100%; height: auto; display: flex; justify-content: space-around; }
  #map { margin-left: 0; height: calc(100vh - 60px); }
}