.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.modal.open {
    display: flex;
}

.modal-content {
    background: #fff;
    padding: 25px;
    max-width: 600px;
    width: 90%;
    border-radius: 8px;
    color: #333;
}

.modal-close {
    float: right;
    cursor: pointer;
    font-size: 1.4rem;
}