/* Minimal, lean CSS for gallery */

.gallery {
    display: grid;
    gap: 0;
    grid-template-columns: repeat(2, 1fr);
}

.media-item[data-layout="horizontal"] {
    grid-column: span 2;
}

.media-item[data-layout="vertical"] {
    grid-column: span 1;
}

.media-item {
    position: relative;
    cursor: pointer;
    overflow: hidden;
    background: var(--color-hover-bg);
    border: 1px solid var(--color-gallery-border);
    backface-visibility: hidden;
}

.media-item[data-layout="vertical"] {
    aspect-ratio: 3 / 4;
}

.media-item[data-layout="horizontal"] {
    aspect-ratio: 3 / 2;
}

.media-item__content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.media-item__thumb,
.media-item__preview {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    backface-visibility: hidden;
}

.media-item__thumb {
    filter: blur(20px);
    transform: scale(1.1);
    z-index: 1;
}

.media-item__preview {
    z-index: 2;
}

.media-item__play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    z-index: 4;
    transition: transform 0.2s ease;
    backface-visibility: hidden;
}

.media-item:hover .media-item__play-button {
    transform: translate(-50%, -50%) scale(1.1);
}

.media-item__play-button svg {
    width: 30px;
    height: 30px;
    margin-left: 3px;
}

/* Responsive */
@media (min-width: 600px) {
    .gallery {
        grid-template-columns: repeat(4, 1fr);
    }
    .media-item {
        border: 2px solid var(--color-gallery-border);
    }
}

@media (min-width: 1200px) {
    .gallery {
        grid-template-columns: repeat(6, 1fr);
    }
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    touch-action: none;
}

.lightbox.active {
    display: flex;
}

.lightbox__carousel {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    touch-action: none;
}

.lightbox__carousel-content {
    display: flex;
    height: 100%;
    width: 100%;
    transition: transform 0.4s ease-out;
    will-change: transform;
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
}

.lightbox__slide {
    flex: 0 0 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 0;
    overflow: hidden;
}

.lightbox__slide--placeholder {
    background: transparent;
}

.lightbox__image,
.lightbox__slide video {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    backface-visibility: hidden;
}

.lightbox__close {
    position: absolute;
    top: max(12px, env(safe-area-inset-top));
    right: max(12px, env(safe-area-inset-right));
    width: 40px;
    height: 40px;
    background: var(--color-hover-bg);
    border: none;
    color: var(--color-text);
    cursor: pointer;
    z-index: 1001;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
    opacity: 1 !important;
    pointer-events: auto !important;
    backface-visibility: hidden;
    touch-action: manipulation;
}

.lightbox__close:active {
    transform: scale(0.9);
}

@media (hover: hover) {
    .lightbox__close:hover {
        background: var(--color-text);
        color: var(--color-bg);
    }
}

.lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: var(--color-hover-bg);
    border: none;
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
    z-index: 1001;
    opacity: 1;
    pointer-events: auto;
    backface-visibility: hidden;
    touch-action: manipulation;
}

.lightbox__nav:active {
    transform: translateY(-50%) scale(0.9);
}

.lightbox__nav svg {
    width: 20px;
    height: 20px;
}

.lightbox__nav--prev {
    left: max(12px, env(safe-area-inset-left));
}

.lightbox__nav--next {
    right: max(12px, env(safe-area-inset-right));
}

@media (hover: hover) {
    .lightbox__close:hover {
        opacity: 0.8;
    }
    .lightbox__nav {
        background: none;
        border: 2px solid var(--color-text);
    }
    .lightbox__nav:hover {
        background: var(--color-hover-bg);
    }
}

@media (prefers-reduced-motion: reduce) {
    .lightbox__carousel-content,
    .lightbox__nav {
        transition: none;
    }
}