/* Simple Lightbox CSS */
#lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    z-index: 10000;
    display: none;
    justify-content: center;
    align-items: center;
    cursor: zoom-out;
}

#lightbox-overlay img {
    max-width: 90%;
    max-height: 90%;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
    border: 2px solid white;
    object-fit: contain;
}

#lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 40px;
    color: white;
    cursor: pointer;
    user-select: none;
}

/* Add cursor pointer to zoomable images */
.research-image, 
.research-image-left, 
.images, 
.images-float-left, 
.images-float-right {
    cursor: zoom-in;
}