/**
 * Brand Photo Gallery - Frontend Styles
 *
 * Classes used by the shortcode output:
 *   .bpg-gallery              - Grid container
 *   .bpg-gallery-item         - Individual image card
 *   .bpg-gallery-image-wrap   - Image + overlay wrapper
 *   .bpg-gallery-image        - The <img> element
 *   .bpg-gallery-download-overlay - Download link overlay
 *   .bpg-gallery-filename     - Filename text below image
 */

/* ----------------------------------------------------------------
   Grid Container
   ---------------------------------------------------------------- */
.bpg-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
    padding: 0;
    margin: 0;
}

/* ----------------------------------------------------------------
   Individual Card
   ---------------------------------------------------------------- */
.bpg-gallery-item {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border: 1px solid #e2e2e2;
    border-radius: 8px;
    overflow: hidden;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.bpg-gallery-item:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

/* ----------------------------------------------------------------
   Image Wrapper (holds image + overlay)
   ---------------------------------------------------------------- */
.bpg-gallery-image-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    background: #f5f5f5;
}

/* ----------------------------------------------------------------
   The Image
   ---------------------------------------------------------------- */
.bpg-gallery-image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.bpg-gallery-item:hover .bpg-gallery-image {
    transform: scale(1.03);
}

/* ----------------------------------------------------------------
   Download Overlay
   Covers the entire image area; visible on hover.
   ---------------------------------------------------------------- */
.bpg-gallery-download-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.45);
    opacity: 0;
    transition: opacity 0.25s ease;
    text-decoration: none;
    color: #ffffff;
}

.bpg-gallery-item:hover .bpg-gallery-download-overlay {
    opacity: 1;
}

.bpg-gallery-download-overlay .dashicons {
    font-size: 36px;
    width: 36px;
    height: 36px;
    line-height: 36px;
    color: #ffffff;
    filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.4));
    transition: transform 0.2s ease;
}

.bpg-gallery-download-overlay:hover .dashicons {
    transform: scale(1.15);
}

/* ----------------------------------------------------------------
   Filename Label
   ---------------------------------------------------------------- */
.bpg-gallery-filename {
    padding: 10px 12px;
    font-size: 13px;
    line-height: 1.4;
    color: #333333;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border-top: 1px solid #f0f0f0;
}

/* ----------------------------------------------------------------
   Responsive Breakpoints
   ---------------------------------------------------------------- */

/* Tablet: 768px and below -- 2 columns */
@media (max-width: 768px) {
    .bpg-gallery {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
}

/* Small phone: 480px and below -- single column */
@media (max-width: 480px) {
    .bpg-gallery {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .bpg-gallery-filename {
        font-size: 12px;
        padding: 8px 10px;
    }
}

/* ----------------------------------------------------------------
   Accessibility: Focus styles for keyboard navigation
   ---------------------------------------------------------------- */
.bpg-gallery-download-overlay:focus {
    opacity: 1;
    outline: 3px solid #005fcc;
    outline-offset: -3px;
}

/* High contrast / prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    .bpg-gallery-item,
    .bpg-gallery-image,
    .bpg-gallery-download-overlay,
    .bpg-gallery-download-overlay .dashicons {
        transition: none;
    }

    .bpg-gallery-item:hover {
        transform: none;
    }

    .bpg-gallery-item:hover .bpg-gallery-image {
        transform: none;
    }
}