.modal {
    display: none;
    position: fixed;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%);
    width: 80%;
    max-width: 600px;
    background: white;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    padding: 20px;
    border-radius: 8px;
  }
  
  .modal.open {
    display: block;
  }
  
  .modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
  }
  
  .modal-overlay.open {
    display: block;
  }
  
  .modal-close {
    position: absolute;
    top: 10px;
    right: 10px;
    cursor: pointer;
  }