.lightbox-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 9999;
    cursor: pointer;
}

.lightbox-overlay.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-overlay img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}