* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, sans-serif;
  background: #0f172a;
  color: #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.container {
  width: 100%;
  max-width: 420px;
  text-align: center;
}

h1 {
  margin: 0 0 0.25rem;
  font-size: 2rem;
}

.subtitle {
  margin: 0 0 1.5rem;
  color: #94a3b8;
}

.status-box {
  background: #1e293b;
  border-radius: 16px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  border: 2px solid #334155;
}

.status-box.on {
  border-color: #22c55e;
}

.status-box.off {
  border-color: #64748b;
}

.status-label {
  font-size: 0.875rem;
  color: #94a3b8;
  margin-bottom: 0.5rem;
}

.state {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.state.on {
  color: #22c55e;
}

.state.off {
  color: #94a3b8;
}

.position {
  color: #cbd5e1;
}

.buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.btn {
  border: none;
  border-radius: 12px;
  padding: 1rem;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  color: white;
}

.btn:active {
  transform: scale(0.98);
}

.btn.on {
  background: #16a34a;
}

.btn.off {
  background: #475569;
}

.btn.toggle {
  background: #2563eb;
}

.btn.status {
  background: #7c3aed;
  grid-column: span 2;
}

.message {
  margin-top: 1rem;
  min-height: 1.25rem;
  color: #94a3b8;
}

.message.error {
  color: #f87171;
}

.connection-status {
  margin: 0.5rem 0 0;
  min-height: 1.25rem;
  color: #94a3b8;
  font-size: 0.875rem;
}

.connection-status.error {
  color: #f87171;
}