.popup {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 9999;
    background-color: #1C1C1C;
    border-radius: 10px;
    border: 2px solid #0DD7F2;
    max-height: 80vh;
    max-width: 80vw;
  }
  
  .popup-content {
    text-align: center;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    width: 100%;
  }
  
  .close-btn {
    color: #fff;
    font-size: 30px;
    font-weight: bold;
    cursor: pointer;
    align-self: flex-end;
    margin-bottom: 10px;
  }
  
  .popup-text {
    color: #fff;
    font-size: 20px;
    margin-bottom: 20px;
  }
  
  .btn-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
  }
  
  .btn {
    background-color: #0DD7F2;
    color: #fff;
    border-radius: 5px;
    padding: 10px 20px;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
  }
  
  .btn:hover {
    background-color: #fff;
    color: #0DD7F2;
    text-decoration: none;
  }
  
  .popup.hidden {
    display: none;
  }