.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    visibility: hidden; /* Ensure modal is hidden on page load */
}

.modal.show {
    visibility: visible; /* Show modal when triggered */
}

.modal-content {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
}

.close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
}

.qr-code-section {
    text-align: center;
}

.qr-code {
    cursor: pointer;
    width: 150px;
    height: auto;
}