* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #1a1a1a;
  color: #fff;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

main {
  text-align: center;
  padding: 2rem;
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 2rem;
  color: #f0f0f0;
}

.indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.light {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 6px solid rgba(255,255,255,0.15);
  transition: background-color 0.5s ease, box-shadow 0.5s ease;
}

.indicator.open .light {
  background-color: #22c55e;
  box-shadow: 0 0 40px #22c55e88;
}

.indicator.closed .light {
  background-color: #ef4444;
  box-shadow: 0 0 40px #ef444488;
}

.indicator.unknown .light {
  background-color: #888;
  box-shadow: none;
}

#status-text {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

#last-updated {
  font-size: 0.9rem;
  color: #888;
}

footer {
  position: fixed;
  bottom: 1rem;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 0.75rem;
  color: #666;
}