/**
 * MediaPilot Gallery block — frontend styles.
 *
 * Loaded only when the mediapilot/gallery block is present on the page via the
 * 'style' handle registered in GalleryBlock::registerBlock().
 *
 * CSS custom properties (set via inline style on the wrapper):
 *   --mediapilot-columns   number of columns (default 3)
 *   --mediapilot-gap       gap between items (default 16px)
 */

/* ---------------------------------------------------------------------------
   Wrapper
--------------------------------------------------------------------------- */

.mediapilot-gallery {
    --mediapilot-columns: 3;
    --mediapilot-gap: 16px;
    margin: 0;
    padding: 0;
    list-style: none;
}

/* ---------------------------------------------------------------------------
   Grid layout
--------------------------------------------------------------------------- */

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

/* ---------------------------------------------------------------------------
   Masonry layout (CSS multi-column)
--------------------------------------------------------------------------- */

.mediapilot-gallery--masonry {
    columns: var(--mediapilot-columns);
    column-gap: var(--mediapilot-gap);
}

.mediapilot-gallery--masonry .mediapilot-gallery__item {
    break-inside: avoid;
    margin-bottom: var(--mediapilot-gap);
}

/* ---------------------------------------------------------------------------
   Flex layout
--------------------------------------------------------------------------- */

.mediapilot-gallery--flex {
    display: flex;
    flex-wrap: wrap;
    gap: var(--mediapilot-gap);
}

.mediapilot-gallery--flex .mediapilot-gallery__item {
    flex: 1 1 calc(100% / var(--mediapilot-columns) - var(--mediapilot-gap));
    min-width: 0;
}

/* ---------------------------------------------------------------------------
   Carousel layout
--------------------------------------------------------------------------- */

.mediapilot-gallery--carousel {
    position: relative;
    overflow: hidden;
    user-select: none;
}

.mediapilot-carousel__viewport {
    overflow: hidden;
    width: 100%;
}

.mediapilot-carousel__track {
    display: flex;
    gap: var(--mediapilot-gap);
    transition: transform 0.35s ease;
    will-change: transform;
}

.mediapilot-gallery--carousel .mediapilot-gallery__item--slide {
    flex: 0 0 calc(
        (100% - (var(--mediapilot-columns) - 1) * var(--mediapilot-gap)) / var(--mediapilot-columns)
    );
    min-width: 0;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border-radius: 4px;
    line-height: 0;
}

.mediapilot-gallery--carousel .mediapilot-gallery__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Navigation buttons */

.mediapilot-carousel__btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    background: rgba(0, 0, 0, 0.45);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
    padding: 0;
}

.mediapilot-carousel__btn:hover {
    background: rgba(0, 0, 0, 0.7);
}


.mediapilot-carousel__btn--prev {
    left: 8px;
}

.mediapilot-carousel__btn--next {
    right: 8px;
}

/* Dot indicators */

.mediapilot-carousel__dots {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.mediapilot-carousel__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ccc;
    border: none;
    padding: 0;
    cursor: pointer;
    transition: background 0.15s, transform 0.15s;
}

.mediapilot-carousel__dot--active {
    background: #2563eb;
    transform: scale(1.3);
}

/* ---------------------------------------------------------------------------
   Item + image
--------------------------------------------------------------------------- */

.mediapilot-gallery__item {
    display: block;
    overflow: hidden;
    border-radius: 4px;
    line-height: 0; /* remove inline gap below image */
}

.mediapilot-gallery__img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
    transition: transform 0.2s ease;
}

.mediapilot-gallery__item--lightbox {
    cursor: zoom-in;
}

.mediapilot-gallery__item--lightbox:hover .mediapilot-gallery__img,
.mediapilot-gallery__item--lightbox:focus .mediapilot-gallery__img {
    transform: scale(1.04);
}

/* ---------------------------------------------------------------------------
   Empty state
--------------------------------------------------------------------------- */

.mediapilot-gallery-empty {
    color: #666;
    font-style: italic;
    padding: 16px;
    margin: 0;
}

/* ---------------------------------------------------------------------------
   Responsive breakpoints
--------------------------------------------------------------------------- */

@media (max-width: 768px) {
    .mediapilot-gallery--grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .mediapilot-gallery--masonry {
        columns: 2;
    }

    .mediapilot-gallery--flex .mediapilot-gallery__item {
        flex: 1 1 calc(50% - var(--mediapilot-gap));
    }
}

@media (max-width: 480px) {
    .mediapilot-gallery--grid {
        grid-template-columns: 1fr;
    }

    .mediapilot-gallery--masonry {
        columns: 1;
    }

    .mediapilot-gallery--flex .mediapilot-gallery__item {
        flex: 1 1 100%;
    }
}