/* Lightbox Overlay Background */
.lightbox-overlay {
    display: none;
    position: fixed;
    z-index: 99999;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    align-items: center;
    justify-content: center;
}
/* Active State */
.lightbox-overlay.active {
    display: flex;
}
/* The Lightbox Image */
.lightbox-content {
    max-width: 85%;
    max-height: 80%;
    border: 4px solid white;
    border-radius: 4px;
    box-shadow: 0 0 25px rgba(0,0,0,0.8);
}
/* Image Captions */
.lightbox-caption {
    position: absolute;
    bottom: 30px;
    color: white;
    font-size: 1.6em;
    font-family: sans-serif;
    text-shadow: 2px 2px 4px #000;
    text-align: center;
    width: 100%;
}
/* Close Button */
.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: #fff;
    font-size: 45px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s;
}
.lightbox-close:hover { color: #ccc; }
/* Navigation Arrows */
.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: white;
    font-size: 60px;
    font-weight: bold;
    cursor: pointer;
    padding: 20px;
    user-select: none;
    transition: color 0.2s;
}
.lightbox-nav:hover { color: #ccc; }
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }