* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f2f4f8;
  color: #111827;
}

.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  padding: 1.25rem 1rem;
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: white;
  text-align: center;
}

header h1 {
  margin: 0 0 0.35rem;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
}

header p {
  margin: 0;
  opacity: 0.9;
}

main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.map-card {
  width: 100%;
  max-width: 900px;
  background: white;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(15, 23, 42, 0.12);
}

#map {
  width: 100%;
  min-height: 320px;
  aspect-ratio: 16 / 9;
  background: #eef2ff;
}

.map-fallback {
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.map-fallback-content {
  max-width: 520px;
  text-align: center;
  color: #1f2937;
}

.map-fallback-content strong,
.map-fallback-content span {
  display: block;
}

.map-fallback-content strong {
  margin-bottom: 0.5rem;
  font-size: 1.15rem;
}

.map-fallback-content span {
  color: #4b5563;
}

.status {
  padding: 1rem;
  font-size: 1rem;
  text-align: center;
  border-top: 1px solid #e5e7eb;
}

button {
  width: 100%;
  padding: 1rem;
  border: 0;
  background: #2563eb;
  color: white;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s ease;
}

button:hover {
  background: #1d4ed8;
}

footer {
  padding: 1rem;
  text-align: center;
  font-size: 0.95rem;
  color: #4b5563;
}

@media (max-width: 640px) {
  header {
    padding: 1rem;
  }

  .map-card {
    border-radius: 18px;
  }

  button {
    font-size: 0.95rem;
  }
}