/* Lightbox overlay */
#lightbox-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.85);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}
#lightbox-overlay img {
    max-width: 90%;
    max-height: 90%;
    border-radius: 10px;
}
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}
.grid img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
}