/*
 * Photo Gallery Component for MkDocs Material
 * Swiper Cards Effect (3:4 portrait) + LightGallery Integration
 */

/* ===== Gallery Container ===== */
.photo-gallery {
    position: relative;
    width: 100%;
    max-width: 450px;
    margin: 0 auto;
    overflow: visible;
    padding: 24px 12px 0 12px;  /* narrow side padding, arrows moved to bottom */
}

.admonition .photo-gallery {
    margin: 8px auto 4px;
}

/* ===== Swiper — 3:4 portrait (width:height = 3:4) ===== */
.photo-gallery .swiper {
    width: 268px;
    height: 357px;
    margin: 0 auto;
    perspective: 1200px;
    /* Do NOT clip overflow — cards extend sideways into padding */
    overflow: visible;
}

.photo-gallery .swiper-wrapper {
    align-items: center;
}

/* ===== Slides ===== */
.photo-gallery .swiper-slide {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--md-default-bg-color, #fff);
    cursor: pointer;
    transition: none;
}

.photo-gallery .swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
}

.photo-gallery .swiper-slide video,
.photo-gallery .swiper-slide .swiper-slide-shadow {
    pointer-events: none;
}

/* ===== Video overlay ===== */
.photo-gallery .swiper-slide-video {
    position: relative;
}

.photo-gallery .swiper-slide-video video {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
}

.photo-gallery .swiper-slide-video .gallery-play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    pointer-events: none;
}

/* ===== Navigation Arrows — now in .gallery-controls bar ===== */
.photo-gallery .gallery-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 20px;
    min-height: 36px;
}

.photo-gallery .gallery-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: rgba(128, 128, 128, 0.35);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    color: #fff;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    pointer-events: auto;
    transition: background 0.25s ease, transform 0.25s ease;
    flex-shrink: 0;
}

.photo-gallery .gallery-arrow:hover {
    background: rgba(128, 128, 128, 0.65);
    transform: scale(1.1);
}

.photo-gallery .gallery-arrow:active {
    transform: scale(0.95);
}

/* ===== Pagination Bullets — inside controls bar ===== */
.photo-gallery .swiper-pagination {
    position: static;
    width: auto;
    flex-shrink: 0;
    line-height: 1;
}

.photo-gallery .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    margin: 0 4px !important;
    background: var(--md-default-fg-color--light, #999);
    opacity: 0.4;
    transition: opacity 0.25s, transform 0.25s;
}

.photo-gallery .swiper-pagination-bullet-active {
    opacity: 1;
    background: var(--md-accent-fg-color, #4051b5);
    transform: scale(1.3);
}

/* ===== Caption & Counter — each on its own line, generous spacing ===== */
.photo-gallery .gallery-counter {
    text-align: center;
    font-size: 0.82rem;
    color: var(--md-default-fg-color--lighter, #999);
    padding: 14px 12px 0 12px;
    font-variant-numeric: tabular-nums;
}

.photo-gallery .gallery-caption {
    text-align: center;
    font-size: 0.88rem;
    color: var(--md-default-fg-color--light, #666);
    padding: 6px 12px 10px 12px;
    min-height: 1.4em;
    line-height: 1.5;
    transition: color 0.3s ease;
}

/* ===== Theme: Light ===== */
[data-md-color-scheme="default"] .photo-gallery .swiper-slide {
    background: #fff;
}

[data-md-color-scheme="default"] .photo-gallery .gallery-arrow {
    background: rgba(0, 0, 0, 0.12);
    color: #333;
}

/* ===== Theme: Dark (Slate) ===== */
[data-md-color-scheme="slate"] .photo-gallery .swiper-slide {
    background: #1e1e2e;
}

[data-md-color-scheme="slate"] .photo-gallery .gallery-arrow {
    background: rgba(255, 255, 255, 0.12);
    color: #ddd;
}

[data-md-color-scheme="slate"] .photo-gallery .gallery-arrow:hover {
    background: rgba(255, 255, 255, 0.22);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .photo-gallery {
        max-width: 100%;
        padding: 16px 24px 0 24px;
    }

    .photo-gallery .swiper {
        width: 225px;
        height: 300px;
    }

    .photo-gallery .swiper-slide {
        border-radius: 8px;
    }

    .photo-gallery .swiper-slide img {
        border-radius: 8px;
    }

    .photo-gallery .gallery-controls {
        gap: 8px;
        margin-top: 14px;
    }

    .photo-gallery .gallery-arrow {
        width: 32px;
        height: 32px;
        font-size: 18px;
    }
}

/* ===== LightGallery overrides ===== */
.lg-backdrop {
    background-color: rgba(0, 0, 0, 0.92);
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    .photo-gallery .swiper-slide,
    .photo-gallery .gallery-arrow {
        transition: none;
    }
}