body, html {
  margin: 0;
  padding: 0;
  height: 100%;
  background-color: #121212;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.message {
  font-size: 1.5rem;
}

.spinner {
  border: 6px solid #333;
  border-top: 6px solid #00ffff;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}