html, body {
  margin: 0;
  height: 100%;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

body {
  display: flex;
  flex-direction: column;
}

header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 12px;
  padding: 10px 14px;
  background: #9333ea;
  color: #fff;
  font-size: 14px;
}

header a {
  margin-left: auto;
  color: #fff;
  font-weight: 600;
}

.tagline {
  font-size: 12px;
  opacity: 0.9;
}

#map {
  flex: 1;
}

.message {
  margin: 40px 20px;
  text-align: center;
  color: #444;
}