/* Simple CSS Loader */
.loader {
    border: 8px solid #f3f3f3;
    border-top: 8px solid #3498db;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
  }
  
  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }
  
  /* Center loader */
  .loader {
    display: block;
    margin-top: 10px;
  }

  .error-message {
    color: red;
    font-size: 0.9em;
    margin-top: 5px;
}