.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
  }

  
  .popup {
    background-color: white;
    padding: 30px;
    width: 400px;
    border-radius: 10px;
    text-align: left;
    position: relative;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2);
    overflow-y: auto;
    max-height: 80vh;
  }

  
  .close-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: transparent;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #999;
  }

  
  select, input, textarea {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 14px;
  }

  
  input[type="url"] {
    padding: 12px;
  }

  
  .submit-btn {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
  }

  
  .submit-btn:hover {
    background-color: #45a049;
  }

  
  .popup-overlay.show {
    display: flex;
  }