html, body { height: 100%; margin: 0; font-family: Arial, sans-serif; }
#topbar {
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  border-bottom: 1px solid #222;
}
#map { height: calc(100% - 48px); }
.title { font-weight: 800; }
.controls { display: flex; align-items: center; gap: 8px; }
button { padding: 6px 10px; cursor: pointer; }
.status { font-size: 13px; opacity: 0.75; }