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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #0f0f0f;
  color: #e0e0e0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  padding: 20px;
  width: 100%;
  max-width: 440px;
}

.card {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 16px;
  padding: 40px 32px;
  text-align: center;
}

.logo {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.6;
}

h1 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 8px;
}

.subtitle {
  color: #888;
  font-size: 14px;
  margin-bottom: 20px;
}

.divider {
  height: 1px;
  background: #2a2a2a;
  margin-bottom: 20px;
}

.description {
  color: #aaa;
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 24px;
}

.status-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 14px;
  color: #aaa;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.dot.green {
  background: #4ade80;
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.5);
  animation: pulse 2s infinite;
}

.dot.yellow {
  background: #facc15;
  box-shadow: 0 0 8px rgba(250, 204, 21, 0.5);
  animation: pulse 2s infinite;
}

.dot.red {
  background: #ef4444;
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.5);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.btn {
  display: inline-block;
  background: #e0e0e0;
  color: #0f0f0f;
  border: none;
  border-radius: 8px;
  padding: 12px 32px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
}

.btn:hover {
  background: #fff;
}