/**
 * 图片放大镜样式
 * 亚马逊风格的产品图片放大效果
 */

/* 放大镜容器 */
.image-zoom-container {
    position: relative;
    display: inline-block;
    overflow: visible;
}

.image-zoom-container img {
    display: block;
    max-width: 100%;
    height: auto;
}

/* 放大镜 */
.zoom-lens {
    position: absolute;
    border: 1px solid #000;
    background: rgba(255, 255, 255, 0.4);
    cursor: crosshair;
    pointer-events: none;
    z-index: 999;
    opacity: 0;
    transition: opacity 0.2s ease;
    mix-blend-mode: difference;
}

.zoom-lens::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1px;
    height: 10px;
    background: rgba(0, 0, 0, 0.3);
    transform: translate(-50%, -50%);
}

.zoom-lens::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 10px;
    height: 1px;
    background: rgba(0, 0, 0, 0.3);
    transform: translate(-50%, -50%);
}

/* 放大窗口 */
.zoom-window {
    position: absolute;
    border: 1px solid #ddd;
    background: #fff;
    overflow: hidden;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.2s ease;
    will-change: transform;
}

.zoom-window.zoom-window-right {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.zoom-window.zoom-window-overlay {
    border-radius: 50%;
    border: 2px solid #000;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.9),
                0 8px 24px rgba(0, 0, 0, 0.3);
}

/* 放大的图片 */
.zoom-img {
    position: absolute;
    max-width: none !important;
    max-height: none !important;
    width: auto;
    height: auto;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* 高级样式 - 产品页面特定 */
.product-gallery .image-zoom-container {
    width: 100%;
    background: #f7f7f7;
    border: 1px solid #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-gallery .zoom-lens {
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(2px);
    border: 1px solid rgba(0, 0, 0, 0.8);
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.5) inset,
                0 2px 8px rgba(0, 0, 0, 0.25);
}

/* Modal中的特殊处理 */
.modal-content .image-zoom-container {
    background: transparent;
    border: none;
}

.modal-content .zoom-window {
    background: #fff;
    border: 2px solid #000;
}

/* 多图片缩略图支持 */
.zoom-thumbnails {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.zoom-thumbnail {
    width: 60px;
    height: 60px;
    border: 2px solid transparent;
    cursor: pointer;
    overflow: hidden;
    opacity: 0.7;
    transition: all 0.2s ease;
}

.zoom-thumbnail:hover {
    opacity: 1;
    border-color: #ddd;
}

.zoom-thumbnail.active {
    opacity: 1;
    border-color: #000;
}

.zoom-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 加载状态 */
.zoom-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: none;
}

.image-zoom-container.loading .zoom-loading {
    display: block;
}

.zoom-loading::after {
    content: '';
    display: block;
    width: 30px;
    height: 30px;
    border: 3px solid #ddd;
    border-top-color: #000;
    border-radius: 50%;
    animation: zoom-spin 0.8s linear infinite;
}

@keyframes zoom-spin {
    to {
        transform: rotate(360deg);
    }
}

/* 移动端适配 */
@media (max-width: 768px) {
    .zoom-lens {
        width: 100px !important;
        height: 100px !important;
    }

    .zoom-window {
        display: none !important;
    }

    /* 移动端使用捏合缩放 */
    .image-zoom-container {
        touch-action: pinch-zoom;
    }

    .image-zoom-container img {
        touch-action: pinch-zoom;
    }
}

/* 触摸设备优化 */
@media (hover: none) {
    .zoom-lens {
        border-width: 2px;
        background: rgba(255, 255, 255, 0.2);
    }
}

/* 高分辨率屏幕优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .zoom-img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
        -webkit-font-smoothing: subpixel-antialiased;
    }
}

/* 打印时隐藏放大功能 */
@media print {
    .zoom-lens,
    .zoom-window {
        display: none !important;
    }
}

/* 无障碍支持 */
@media (prefers-reduced-motion: reduce) {
    .zoom-lens,
    .zoom-window,
    .zoom-thumbnail {
        transition: none !important;
    }
}

/* 暗色模式支持 */
@media (prefers-color-scheme: dark) {
    .zoom-window {
        background: #1a1a1a;
        border-color: #404040;
    }

    .zoom-lens {
        border-color: #fff;
        background: rgba(0, 0, 0, 0.4);
    }

    .zoom-thumbnail {
        border-color: #404040;
    }

    .zoom-thumbnail.active {
        border-color: #fff;
    }
}