.gallery-page-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 24px 80px;
}

.gallery-collage {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 10px;
    margin-top: 32px;
    padding: 16px;
}

.gallery-collage .collage-item {
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    position: relative;
    background: rgba(255, 255, 255, 0.05);
}

/* shimmer sweep while loading */
.gallery-collage .collage-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
    animation: gallery-shimmer 1.6s linear infinite;
    pointer-events: none;
    z-index: 1;
}

.gallery-collage .collage-item.loaded::before {
    display: none;
}

.gallery-collage .collage-item img,
.gallery-collage .collage-item video {
    display: block;
    width: 100%;
    height: 220px;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.4s ease, transform 0.3s ease;
}

.gallery-collage .collage-item.loaded img,
.gallery-collage .collage-item.loaded video {
    opacity: 1;
}

.gallery-collage .collage-item:hover img,
.gallery-collage .collage-item:hover video {
    transform: scale(1.03);
    opacity: 0.85;
}

@keyframes gallery-shimmer {
    0%   { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.gallery-empty {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 24px;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.lightbox.open {
    display: flex;
}

.lb-media-wrap {
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lb-media-wrap img,
.lb-media-wrap video {
    max-width: 90vw;
    max-height: 88vh;
    object-fit: contain;
    border-radius: 6px;
    display: none;
}

.lb-media-wrap img.active,
.lb-media-wrap video.active {
    display: block;
}

.lb-close,
.lb-prev,
.lb-next {
    position: fixed;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #fff;
    cursor: pointer;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: background 0.2s;
    z-index: 1001;
}

.lb-close:hover, .lb-prev:hover, .lb-next:hover {
    background: rgba(255, 255, 255, 0.25);
}

.lb-close { top: 20px; right: 20px; }
.lb-prev  { left: 16px; top: 50%; transform: translateY(-50%); }
.lb-next  { right: 16px; top: 50%; transform: translateY(-50%); }

.lb-counter {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

@media (max-width: 600px) {
    .gallery-collage {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
        padding: 8px;
    }
    .gallery-collage .collage-item img,
    .gallery-collage .collage-item video {
        height: 160px;
    }
    .lb-prev { left: 6px; }
    .lb-next { right: 6px; }
}