.loading-demo {
  width: 40px;
  height: 40px;
  border: 4px solid #f3f3f3;
  border-top: 4px solid #3498db;
  border-radius: 50%;
  animation: loadingSpin 1s linear infinite;
  margin: 20px auto;
}

@keyframes loadingSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.status-text {
  text-align: center;
  margin: 10px 0;
  font-weight: bold;
}