.modal-carousel {
    position: relative;
    width: 100%;
}

.modal-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: white;
    padding: 10px 15px;
    cursor: pointer;
    border: none;
    border-radius: 50%;
    font-size: 20px;
    transition: background-color 0.3s;
}

.modal-nav:hover {
    background: rgba(0, 0, 0, 0.8);
}

.modal-prev {
    left: -50px;
}

.modal-next {
    right: -50px;
}

.modal-nav.hidden {
    display: none;
}