.btn-disabled {

    pointer-events: none;

    opacity: 0.5;

  }



.modal {

    /* display: none;  */

    position: fixed; 

    z-index: 999; 

    left: 0;

    top: 0;

    width: 100%; 

    height: 100%; 

    overflow: auto; 

    background-color: rgba(0,0,0,0.4); 

}



.modal-content {

    background-color: #fff;

    margin: 10% auto;

    padding: 20px;

    border-radius: 4px;

    width: 90%;

    max-width: 500px;

    position: relative;

}



.close {

    position: absolute;

    top: 10px;

    right: 15px;

    font-size: 20px;

    cursor: pointer;

}

#overlay-loading {

    position: fixed;

    top: 0;

    left: 0;

    width: 100%;

    height: 100%;

    background-color: rgba(0, 0, 0, 0.5);

    z-index: 9999;

    display: flex;

    justify-content: center;

    align-items: center;

    color: #fff;

    font-size: 20px;

    display: none; /* Ẩn mặc định */

}