/* LUMIÈRE Product Gallery — 商品图片画廊布局 */

.lumiere-gallery {
    display: flex;
    gap: 14px;
    /* 宽度交给 .images class（Astra: div.product div.images { float:left; width:48% }，与原版画廊一致），
       此处不设宽度，避免覆盖主题规则。 */
}

/* 缩略图位置决定整体方向 */
.lumiere-gallery--thumbs-bottom { flex-direction: column; }
.lumiere-gallery--thumbs-left   { flex-direction: row-reverse; } /* 主图右、缩略图左 */
.lumiere-gallery--thumbs-right  { flex-direction: row; }

/* ── 主图区 ── */
.lumiere-gallery__main {
    position: relative;
    width: var(--main-w, 600px);
    max-width: 100%;
    min-width: 0;
}
.lumiere-gallery__main-strip {
    position: relative; /* 作为 offsetParent，供 JS 定位 */
    display: flex;
    gap: 12px;
    overflow: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    scrollbar-width: none; /* Firefox：隐藏滚动条 */
}
.lumiere-gallery__main-strip::-webkit-scrollbar { display: none; } /* Chrome/Safari/Edge：隐藏滚动条 */
.lumiere-gallery--main-vertical .lumiere-gallery__main-strip {
    flex-direction: column;
    max-height: var(--main-h, 560px); /* 可视窗口高度跟随设置；无吸附，图片连续下滚 */
}
/* 垂直模式：图片连成一条、手动滚动，不逐张切换 → 隐藏导航按钮 */
.lumiere-gallery--main-vertical .lumiere-gallery__nav {
    display: none;
}
.lumiere-gallery__slide {
    flex: 0 0 auto;
    scroll-snap-align: start;
}
/* 水平模式：主图每屏显示数量（1 = 每屏一张；1.5 / 2 = 同时多张） */
.lumiere-gallery--main-horizontal .lumiere-gallery__slide {
    width: calc((100% - (var(--main-per-view, 1) - 1) * 12px) / var(--main-per-view, 1));
}
.lumiere-gallery__slide img {
    display: block;
    width: auto; /* 自然尺寸（woocommerce_single），不拉伸撑满 */
    max-width: 100%;
    max-height: var(--main-h, 560px); /* 限制主图高度，竖版长图不被拉得过长 */
    height: auto;
    margin: 0 auto;
}
/* 垂直模式：单元格高度由图片自然决定（--main-h 仅作图片最大高度上限），不留空白 */
.lumiere-gallery--main-vertical .lumiere-gallery__slide {
    width: 100%;
    flex: 0 0 auto;
}

/* 导航按钮 */
.lumiere-gallery__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: 34px;
    height: 34px;
    border: 1px solid #ddd;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    color: #333;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}
.lumiere-gallery__nav svg { display: block; }
.lumiere-gallery__nav:hover { background: #fff; border-color: #b0896b; color: #b0896b; }
.lumiere-gallery__nav--prev { left: 8px; }
.lumiere-gallery__nav--next { right: 8px; }

/* 缩略图区：位置决定滚动方向 */
.lumiere-gallery__thumbs-wrap {
    position: relative;
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 0 0 auto;
}
.lumiere-gallery__thumbs {
    display: flex;
    gap: 8px;
    overflow: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none; /* 隐藏滚动条 */
    flex: 1;
    min-width: 0;
    min-height: 0;
}
.lumiere-gallery__thumbs::-webkit-scrollbar { display: none; }
/* 下方 → 水平滚动；条的可视宽度 = N × 缩略图宽 + 间距（每屏恰好 N 张），超出内部滚动 */
.lumiere-gallery--thumbs-bottom .lumiere-gallery__thumbs-wrap {
    flex-direction: row;
    width: calc(var(--per-view) * var(--thumb-w) + (var(--per-view) - 1) * 8px);
    max-width: 100%;
    margin: 0 auto;
}
.lumiere-gallery--thumbs-bottom .lumiere-gallery__thumb {
    width: var(--thumb-w, 100px);
}
.lumiere-gallery--thumbs-left,
.lumiere-gallery--thumbs-right {
    align-items: flex-start; /* 缩略图列贴顶，不被拉伸/居中 */
}
/* 左/右 → 上下滚动，按每屏数量定高、按设置定宽 */
.lumiere-gallery--thumbs-left .lumiere-gallery__thumbs-wrap,
.lumiere-gallery--thumbs-right .lumiere-gallery__thumbs-wrap {
    flex-direction: column;
}
.lumiere-gallery--thumbs-left .lumiere-gallery__thumbs,
.lumiere-gallery--thumbs-right .lumiere-gallery__thumbs {
    flex-direction: column;
    scroll-snap-type: y mandatory;
    flex: 0 0 auto; /* 禁止拉伸：固定 560px 高度（否则 flex:1 会被撑满主图高度） */
    height: 560px;
    width: var(--thumb-w, 100px);
}
.lumiere-gallery--thumbs-left .lumiere-gallery__thumb,
.lumiere-gallery--thumbs-right .lumiere-gallery__thumb {
    width: 100%;
    height: calc((100% - (var(--per-view) - 1) * 8px) / var(--per-view));
}
.lumiere-gallery--thumbs-left .lumiere-gallery__thumb img,
.lumiere-gallery--thumbs-right .lumiere-gallery__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 宽高比不同时裁切填满，不变形 */
}
.lumiere-gallery__thumb {
    flex: 0 0 auto;
    padding: 0;
    border: 2px solid transparent;
    border-radius: 4px;
    background: none;
    cursor: pointer;
    opacity: 0.72;
    scroll-snap-align: start;
}
.lumiere-gallery__thumb img {
    display: block;
    width: 100%;
    height: auto;
}
.lumiere-gallery__thumb:hover { opacity: 0.92; }
.lumiere-gallery__thumb.is-active {
    border-color: #b0896b;
    opacity: 1;
}

/* 缩略图切换按钮 */
.lumiere-gallery__thumbs-nav {
    flex: 0 0 auto;
    width: 26px;
    height: 26px;
    padding: 0;
    border: 1px solid #ddd;
    border-radius: 50%;
    background: #fff;
    color: #333;
    font-size: 16px;
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.lumiere-gallery__thumbs-nav:hover { border-color: #b0896b; color: #b0896b; }

/* 移动端：固定布局——主图水平滚动；缩略图一律在主图下方水平滚动（忽略 PC 端设置） */
@media (max-width: 767px) {
    .lumiere-gallery,
    .lumiere-gallery--thumbs-left,
    .lumiere-gallery--thumbs-right {
        flex-direction: column;
    }

    /* 主图：强制水平滚动 */
    .lumiere-gallery__main {
        width: 100%;
        max-width: 100%;
    }
    /* 主图：强制水平滚动（选择器含垂直类，特异性压过 PC 垂直规则） */
    .lumiere-gallery__main-strip,
    .lumiere-gallery--main-vertical .lumiere-gallery__main-strip {
        flex-direction: row;
        scroll-snap-type: x mandatory;
        max-height: none;
    }
    .lumiere-gallery__slide {
        width: 100%;
        flex: 0 0 auto;
    }
    .lumiere-gallery__slide img {
        width: 100%;
        max-width: 100%;
        max-height: none;
        height: auto;
        margin: 0;
    }
    /* 垂直模式隐藏的主图导航按钮恢复显示 */
    .lumiere-gallery--main-vertical .lumiere-gallery__nav {
        display: inline-flex;
    }

    /* 缩略图：一律下方水平滚动 */
    .lumiere-gallery__thumbs-wrap,
    .lumiere-gallery--thumbs-left .lumiere-gallery__thumbs-wrap,
    .lumiere-gallery--thumbs-right .lumiere-gallery__thumbs-wrap {
        flex-direction: row;
        width: 100%;
        max-width: 100%;
        margin: 0;
    }
    .lumiere-gallery__thumbs,
    .lumiere-gallery--thumbs-left .lumiere-gallery__thumbs,
    .lumiere-gallery--thumbs-right .lumiere-gallery__thumbs {
        flex-direction: row;
        scroll-snap-type: x mandatory;
        height: auto;
        width: 100%;
        flex: 1;
        min-width: 0;
    }
    .lumiere-gallery__thumb,
    .lumiere-gallery--thumbs-left .lumiere-gallery__thumb,
    .lumiere-gallery--thumbs-right .lumiere-gallery__thumb {
        flex: 0 0 auto;
        width: calc((100% - (var(--per-view) - 1) * 8px) / var(--per-view));
        height: auto;
    }
    .lumiere-gallery--thumbs-left .lumiere-gallery__thumb img,
    .lumiere-gallery--thumbs-right .lumiere-gallery__thumb img {
        height: auto;
    }
}

/* ── 悬停缩放 ── */
.lumiere-gallery--zoom .lumiere-gallery__slide.is-active {
    overflow: hidden;
}
.lumiere-gallery--zoom .lumiere-gallery__slide.is-active img {
    transition: transform 0.12s ease-out;
    cursor: zoom-in;
    will-change: transform;
}

/* ── 灯箱 ── */
.lumiere-gallery--lightbox .lumiere-gallery__slide.is-active { cursor: zoom-in; }

.lumiere-lightbox {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.9);
}
.lumiere-lightbox__img {
    max-width: 92vw;
    max-height: 88vh;
    width: auto;
    height: auto;
    object-fit: contain;
}
.lumiere-lightbox__close {
    position: absolute;
    top: 16px;
    right: 20px;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}
.lumiere-lightbox__close svg { display: block; }
.lumiere-lightbox__close:hover { background: rgba(255, 255, 255, 0.3); }
.lumiere-lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}
.lumiere-lightbox__nav svg { display: block; }
.lumiere-lightbox__nav:hover { background: rgba(255, 255, 255, 0.3); }
.lumiere-lightbox__nav--prev { left: 16px; }
.lumiere-lightbox__nav--next { right: 16px; }