.main-container {
    width: 75%;
    margin: 0 auto;
    padding: 2rem 0;
    position: relative;
    min-height: 500px;
  }
  
  .main-container iframe {
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    background: transparent !important;
  }
  
  .loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 500px;
    color: #666;
  }
  
  .spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #333;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
  }
  
  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }
  
  .loading-spinner p {
    margin: 0;
    font-size: 1.1rem;
  }