/* =============================================================
   МЕДИА-ГАЛЕРЕЯ ТОВАРА (как на маркетплейсах)
   — stage (большое превью) + thumbnails снизу
   — arrows, counter
   — lightbox с zoom / pan
   ============================================================= */

.media-gallery {
    --bg: var(--black-light, #1a1a1a);
    --bg-deep: var(--black, #0f0f0f);
    --border: var(--border-light, rgba(255, 255, 255, 0.08));
    --accent: var(--orange, #ff5e00);

    position: relative;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg, 14px);
    overflow: hidden;
    margin-bottom: 1.2rem;
}

.media-gallery__inner {
    padding: 1rem;
    display: grid;
    gap: 0.9rem;
}

/* ===== MAIN STAGE ===== */
.media-gallery__main {
    position: relative;
    background: var(--bg-deep);
    border-radius: var(--radius-md, 10px);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    max-height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    width: 100%;
}

.media-gallery__stage {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: zoom-in;
    outline: none;
}

.media-gallery__stage:focus-visible {
    box-shadow: inset 0 0 0 3px var(--accent);
    border-radius: inherit;
}

.media-gallery__media {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    background: #000;
    user-select: none;
    -webkit-user-drag: none;
}

/* video в stage — растягиваем по stage, но не кадрируем */
.media-gallery__stage video.media-gallery__media {
    width: 100%;
    height: 100%;
    cursor: default;
}

/* ===== ARROWS ===== */
.media-gallery__arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(6px);
    color: #fff;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease, opacity 0.2s ease;
    font-size: 1.1rem;
}

.media-gallery__arrow:hover {
    background: var(--accent);
    transform: translateY(-50%) scale(1.05);
}

.media-gallery__arrow--prev { left: 10px; }
.media-gallery__arrow--next { right: 10px; }

.media-gallery__arrow[hidden],
.media-gallery__arrow:disabled {
    opacity: 0;
    pointer-events: none;
}

/* ===== COUNTER ===== */
.media-gallery__counter {
    position: absolute;
    left: 50%;
    bottom: 10px;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(4px);
    color: #fff;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    z-index: 2;
    pointer-events: none;
}

/* ===== THUMBNAILS ===== */
.media-gallery__thumbs {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--accent) transparent;
    padding-bottom: 4px;
}

.media-gallery__thumbs::-webkit-scrollbar      { height: 6px; }
.media-gallery__thumbs::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }
.media-gallery__thumbs::-webkit-scrollbar-track { background: transparent; }

.media-gallery__thumb {
    position: relative;
    flex: 0 0 auto;
    width: 72px;
    height: 72px;
    padding: 0;
    background: var(--bg-deep);
    border: 2px solid transparent;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.media-gallery__thumb:hover {
    border-color: rgba(255, 94, 0, 0.5);
    transform: translateY(-2px);
}

.media-gallery__thumb.is-active {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent), 0 4px 12px rgba(255, 94, 0, 0.25);
}

.media-gallery__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.media-gallery__thumb-badge {
    position: absolute;
    top: 2px;
    left: 2px;
    background: var(--accent);
    color: #fff;
    font-size: 0.6rem;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.media-gallery__thumb--video .media-gallery__thumb-video-stub {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a1a, #0f0f0f);
    color: var(--accent);
    font-size: 1.5rem;
}

.media-gallery__thumb--video::after {
    content: 'видео';
    position: absolute;
    bottom: 2px;
    right: 2px;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    font-size: 0.55rem;
    font-weight: 600;
    padding: 1px 5px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* ===== ADAPTIVE ===== */
@media (min-width: 1200px) {
    .media-gallery__main {
        max-height: 520px;
    }
}

@media (max-width: 768px) {
    .media-gallery__main {
        aspect-ratio: 4 / 3;
        max-height: 360px;
    }
    .media-gallery__thumb {
        width: 56px;
        height: 56px;
    }
    .media-gallery__arrow {
        width: 36px;
        height: 36px;
        font-size: 0.95rem;
    }
}


/* =============================================================
   LIGHTBOX
   ============================================================= */
.media-lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: mlFadeIn 0.2s ease;
}

.media-lightbox[hidden] { display: none; }

.media-lightbox__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.88);
    backdrop-filter: blur(4px);
    cursor: zoom-out;
}

.media-lightbox__viewport {
    position: relative;
    z-index: 1;
    width: 92vw;
    height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    touch-action: none;
}

.media-lightbox__viewport img,
.media-lightbox__viewport video {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    user-select: none;
    -webkit-user-drag: none;
    transition: transform 0.15s ease-out;
    transform-origin: center center;
    will-change: transform;
    cursor: grab;
}

.media-lightbox__viewport img.is-zoomed,
.media-lightbox__viewport.is-panning img {
    cursor: grabbing;
}

.media-lightbox__viewport video {
    cursor: default;
}

/* ===== Close / Arrows / Controls ===== */
.media-lightbox__close,
.media-lightbox__arrow,
.media-lightbox__controls button {
    position: absolute;
    z-index: 2;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #fff;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.media-lightbox__close:hover,
.media-lightbox__arrow:hover,
.media-lightbox__controls button:hover {
    background: var(--orange, #ff5e00);
    transform: scale(1.05);
}

.media-lightbox__close {
    top: 18px;
    right: 18px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 1.1rem;
}

.media-lightbox__arrow {
    top: 50%;
    transform: translateY(-50%);
    width: 52px;
    height: 52px;
    border-radius: 50%;
    font-size: 1.4rem;
}

.media-lightbox__arrow:hover {
    transform: translateY(-50%) scale(1.05);
}

.media-lightbox__arrow--prev { left: 20px; }
.media-lightbox__arrow--next { right: 20px; }

.media-lightbox__arrow[hidden] {
    display: none;
}

.media-lightbox__controls {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    gap: 0.5rem;
    background: rgba(0, 0, 0, 0.4);
    padding: 6px;
    border-radius: 30px;
    backdrop-filter: blur(8px);
}

.media-lightbox__controls button {
    position: static;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 0.95rem;
    font-weight: 600;
    background: transparent;
    border: none;
    backdrop-filter: none;
}

.media-lightbox__controls button:hover {
    background: var(--orange, #ff5e00);
}

.media-lightbox__counter {
    position: absolute;
    top: 22px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    color: #fff;
    font-size: 0.9rem;
    background: rgba(0, 0, 0, 0.4);
    padding: 5px 14px;
    border-radius: 14px;
    backdrop-filter: blur(6px);
}

@keyframes mlFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@media (max-width: 768px) {
    .media-lightbox__viewport {
        width: 98vw;
        height: 78vh;
    }
    .media-lightbox__arrow {
        width: 42px;
        height: 42px;
    }
    .media-lightbox__controls button {
        width: 36px;
        height: 36px;
    }
}