/* 图片放大功能样式 */
:root {
    --zoom-transition: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
    --zoom-overlay-bg: rgba(0, 0, 0, 0.85);
    --zoom-border-radius: 8px;
    --zoom-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --zoom-icon-size: 24px;
}

/* 文章内容区域的图片样式 */
.mn-prose img {
    cursor: zoom-in;
    transition: var(--zoom-transition);
    border-radius: var(--zoom-border-radius);
    max-width: 100%;
    height: auto;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.mn-prose img:hover {
    transform: scale(1.02);
    box-shadow: var(--zoom-shadow);
}

/* 放大模态框覆盖层 */
.image-zoom-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--zoom-overlay-bg);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--zoom-transition);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.image-zoom-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 放大的图片容器 */
.image-zoom-container {
    position: relative;
    max-width: 95vw;
    max-height: 95vh;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(0.8);
    transition: var(--zoom-transition);
}

.image-zoom-overlay.active .image-zoom-container {
    transform: scale(1);
}

/* 放大的图片 */
.image-zoom-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: var(--zoom-border-radius);
    box-shadow: var(--zoom-shadow);
    cursor: zoom-out;
    transition: var(--zoom-transition);
}

/* 关闭按钮 */
.image-zoom-close {
    position: absolute;
    top: -50px;
    right: 0;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: bold;
    transition: var(--zoom-transition);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.image-zoom-close:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

/* 图片信息面板 */
.image-zoom-info {
    position: absolute;
    bottom: -60px;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 12px 16px;
    border-radius: var(--zoom-border-radius);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--zoom-transition);
    opacity: 0;
    transform: translateY(10px);
}

.image-zoom-overlay.active .image-zoom-info {
    opacity: 1;
    transform: translateY(0);
}

.image-zoom-info .image-title {
    font-size: 14px;
    font-weight: 500;
    margin: 0 0 4px 0;
}

.image-zoom-info .image-meta {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

/* 导航按钮（如果有多张图片） */
.image-zoom-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    transition: var(--zoom-transition);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0.7;
}

.image-zoom-nav:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    opacity: 1;
    transform: translateY(-50%) scale(1.1);
}

.image-zoom-nav.prev {
    left: -80px;
}

.image-zoom-nav.next {
    right: -80px;
}

/* 缩放控制按钮 */
.image-zoom-controls {
    position: absolute;
    top: -50px;
    left: 0;
    display: flex;
    gap: 8px;
}

.image-zoom-control-btn {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: var(--zoom-transition);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.image-zoom-control-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

/* 加载状态 */
.image-zoom-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 16px;
}

.image-zoom-loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    margin-left: 10px;
    animation: zoom-loading-spin 1s linear infinite;
}

@keyframes zoom-loading-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .image-zoom-container {
        max-width: 98vw;
        max-height: 98vh;
    }
    
    .image-zoom-close {
        top: -40px;
        right: -10px;
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
    
    .image-zoom-info {
        bottom: -50px;
        padding: 10px 12px;
    }
    
    .image-zoom-nav {
        width: 44px;
        height: 44px;
        font-size: 18px;
    }
    
    .image-zoom-nav.prev {
        left: -60px;
    }
    
    .image-zoom-nav.next {
        right: -60px;
    }
    
    .image-zoom-controls {
        top: -40px;
    }
    
    .image-zoom-control-btn {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .image-zoom-nav.prev {
        left: 10px;
    }
    
    .image-zoom-nav.next {
        right: 10px;
    }
    
    .image-zoom-close {
        top: 10px;
        right: 10px;
    }
    
    .image-zoom-controls {
        top: 10px;
        left: 10px;
    }
}

/* 触摸设备优化 */
@media (pointer: coarse) {
    .mn-prose img:hover {
        transform: none;
    }
    
    .image-zoom-close,
    .image-zoom-nav,
    .image-zoom-control-btn {
        width: 48px;
        height: 48px;
    }
}

/* 减少动效模式 */
@media (prefers-reduced-motion: reduce) {
    .mn-prose img,
    .image-zoom-overlay,
    .image-zoom-container,
    .image-zoom-img,
    .image-zoom-close,
    .image-zoom-info,
    .image-zoom-nav,
    .image-zoom-control-btn {
        transition: none;
    }
}

/* 深色模式适配 */
@media (prefers-color-scheme: dark) {
    .mn-prose img {
        box-shadow: 0 2px 8px rgba(255, 255, 255, 0.1);
    }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
    .image-zoom-close,
    .image-zoom-nav,
    .image-zoom-control-btn {
        background: rgba(0, 0, 0, 0.8);
        border-color: white;
    }
}

/* 打印样式 */
@media print {
    .image-zoom-overlay {
        display: none !important;
    }
}