/* 
 * 个人相册项目 - 公共CSS样式文件
 * 版本: 1.0.0
 * 生成日期: 2026-03-25
 * 描述: 包含所有必要的自定义样式，确保离线运行能力。
 */

/* ==================== 1. 全局样式重置与变量定义 ==================== */

:root {
    --primary-color: #b91c1c; /* 深红色，呼应红叶主题 */
    --primary-hover: #991b1b;
    --text-main: #1f2937;
    --text-secondary: #4b5563;
    --bg-body: #f3f4f6;
    --bg-card: #ffffff;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1 0 auto;
}

/* ==================== 2. 布局容器 ==================== */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ==================== 3. 顶部导航栏 ==================== */

.header-enhanced {
    height: 80px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    background: #ffffff;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-enhanced .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.brand-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-logo {
    width: 3rem;
    height: 3rem;
    flex-shrink: 0;
    background: linear-gradient(to bottom right, #667eea, #764ba2);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.brand-logo i {
    color: white;
    font-size: 1.25rem;
}

.brand-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.25rem;
}

.brand-title {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
    background: linear-gradient(to right, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-subtitle {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* 导航菜单 */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    text-decoration: none;
    border: 1px solid transparent;
}

.nav-item:hover {
    color: var(--primary-color);
    background-color: rgba(102, 126, 234, 0.1);
    border-color: rgba(102, 126, 234, 0.2);
}

.nav-item.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

/* 管理按钮 */
.admin-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    text-decoration: none;
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
}

.admin-btn:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background-color: rgba(102, 126, 234, 0.1);
}

/* ==================== 4. 相册头部区域 (标题与描述) ==================== */

.album-header {
    background-color: var(--bg-card);
    padding: 1.5rem 0;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.album-meta {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    flex-wrap: wrap;
}

.album-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.album-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
}

.album-description {
    max-width: 800px;
    margin: 0 auto;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* ==================== 4. 标签筛选器 ==================== */

.filter-section {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.filter-btn {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1.25rem;
    border-radius: 9999px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.filter-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

/* ==================== 5. 照片网格区域 ==================== */

.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    padding-bottom: 4rem;
}

.photo-card {
    background-color: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.photo-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.photo-thumb-wrapper {
    position: relative;
    padding-top: 66.66%; /* 3:2 Aspect Ratio */
    overflow: hidden;
    background-color: #e5e7eb;
}

.photo-thumb {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.photo-card:hover .photo-thumb {
    transform: scale(1.05);
}

.photo-info {
    padding: 1.25rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.photo-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.photo-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
    flex-grow: 1;
}

.photo-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
    background-color: #f3f4f6;
    color: var(--text-secondary);
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tag-badge:hover {
    background-color: #374151;
    color: white;
}

.tag-badge.active {
    background-color: #374151;
    color: white;
}

/* ==================== 6. 灯箱预览 (Lightbox) ==================== */

.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    display: none; /* Hidden by default */
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(5px);
}

.lightbox.open {
    display: flex;
    opacity: 1;
}

.lightbox-content {
    display: flex;
    width: 100%;
    height: 100%;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
}

.lightbox-image-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    overflow: hidden;
}

.lightbox-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border-radius: 4px;
}

.lightbox-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    font-size: 2rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    z-index: 1010;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ==================== 7. EXIF 信息面板 ==================== */

.exif-panel {
    width: 350px;
    background-color: #ffffff;
    color: var(--text-main);
    padding: 2rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    box-shadow: -5px 0 15px rgba(0,0,0,0.2);
}

.exif-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.exif-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.exif-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.exif-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.exif-item {
    display: flex;
    flex-direction: column;
}

.exif-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #9ca3af;
    margin-bottom: 0.25rem;
}

.exif-value {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-main);
}

.exif-tags {
    margin-top: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.exif-tag {
    background-color: #fee2e2;
    color: #991b1b;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* ==================== 8. 页脚样式 ==================== */

footer {
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
    padding: 2rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-info h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.footer-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-social {
    display: flex;
    gap: 1.5rem;
}

.social-link {
    color: var(--text-secondary);
    font-size: 1.25rem;
    transition: color 0.2s ease;
}

.social-link:hover {
    color: var(--primary-color);
}

.footer-copyright {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ==================== 9. 响应式设计 ==================== */

@media (max-width: 1024px) {
    .lightbox-content {
        flex-direction: column;
    }
    .exif-panel {
        width: 100%;
        height: 40%;
        border-top: 1px solid #e5e7eb;
        box-shadow: 0 -5px 15px rgba(0,0,0,0.1);
    }
    .lightbox-image-container {
        height: 60%;
    }
}

@media (max-width: 640px) {
    h1 { font-size: 1.75rem; }
    .album-meta { flex-direction: column; gap: 0.5rem; }
    .photo-grid { grid-template-columns: 1fr; }
    .exif-panel { padding: 1.5rem; }
    .footer-content { flex-direction: column; gap: 1.5rem; text-align: center; }
}

/* ==================== 10. 交互效果 ==================== */

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
    scrollbar-gutter: stable;
}

@supports not (scrollbar-gutter: stable) {
    html {
        overflow-y: scroll;
    }
}

/* 全局滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
    transition: background 0.2s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.3);
}

/* 交互反馈效果 */
.interactive {
    transition: all 0.2s ease;
    cursor: pointer;
}

.interactive:active {
    transform: scale(0.95);
}

/* ==================== 11. 加载状态和错误提示 ==================== */

/* 加载状态动画 */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.spinner {
    animation: spin 1s linear infinite;
}

/* 错误提示动画 */
@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

#error-container {
    animation: slideIn 0.3s ease-out;
}

/* 标签样式优化 */
.tag-badge {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
    border-radius: 9999px;
    background-color: #e5e7eb;
    color: #4b5563;
    transition: background-color 0.2s ease;
}

.tag-badge:hover {
    background-color: #d1d5db;
}

/* 相册标签样式 */
.album-tags {
    margin-top: 1.5rem;
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* 照片卡片样式 */
.photo-card {
    background-color: #ffffff;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    transition: box-shadow 0.3s ease;
}

.photo-card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.photo-thumb-wrapper {
    overflow: hidden;
}

.photo-thumb {
    width: 100%;
    height: 12rem;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.photo-thumb:hover {
    transform: scale(1.05);
}

.photo-info {
    padding: 1rem;
}

.photo-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.photo-desc {
    color: #6b7280;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .photo-thumb {
        height: 10rem;
    }
    
    .album-tags {
        margin-top: 1rem;
    }
}

/* 相册卡片样式 */
.album-card-modern {
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    transition: box-shadow 0.3s ease;
}

.album-card-modern:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.album {
    position: relative;
    overflow: hidden;
}

.album-carousel {
    width: 100%;
    height: 100%;
}

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

.album-desc-container {
    position: relative;
    max-height: 3.5rem;
    overflow: hidden;
}

.album-desc {
    color: #6b7280;
    font-size: 0.875rem;
    line-height: 1.5;
    transition: all 0.3s ease;
}

.album-desc-container:hover .album-desc {
    overflow: visible;
    white-space: normal;
    max-height: none;
}

.album-desc-container:hover {
    max-height: none;
}

.view-album-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    background-color: #667eea;
    color: white;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: background-color 0.2s ease;
    width: 100%;
    text-align: center;
}

.view-album-btn:hover {
    background-color: #764ba2;
}

/* ==================== 新版媒体卡片样式 ==================== */

/* 媒体卡片容器 */
.media-card {
    background-color: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.media-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

/* 图片展示区 - 4:3比例（占卡片高度 65%） */
.media-card-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 75%; /* 4:3 比例 */
    overflow: hidden;
    background-color: #f5f5f5;
    border-radius: 8px 8px 0 0;
}

.media-card-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.2s ease;
}

.media-card:hover .media-card-image {
    transform: scale(1.03);
}

/* 图片蒙层 */
.media-card:hover .media-card-image-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.2);
    z-index: 1;
    transition: all 0.2s ease;
}

/* 类型标识 - 照片 */
.media-type-photo {
    position: absolute;
    top: 8px;
    left: 8px;
    padding: 4px 8px;
    background-color: rgba(59, 130, 246, 0.8); /* 蓝色 */
    color: white;
    font-size: 12px;
    border-radius: 4px;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 类型标识 - 视频 */
.media-type-video {
    position: absolute;
    top: 8px;
    left: 8px;
    padding: 4px 8px;
    background-color: rgba(249, 115, 22, 0.8); /* 橙色 */
    color: white;
    font-size: 12px;
    border-radius: 4px;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 视频播放图标 */
.video-play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 2;
}

.video-play-icon svg {
    width: 20px;
    height: 20px;
    color: #333333;
    margin-left: 2px; /* 视觉居中调整 */
}

.media-card:hover .video-play-icon {
    transform: translate(-50%, -50%) scale(1.1);
}

/* 视频时长标签 */
.video-duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    padding: 2px 6px;
    background-color: rgba(0, 0, 0, 0.6);
    color: white;
    font-size: 11px;
    border-radius: 4px;
    z-index: 2;
}

/* 快捷操作按钮 */
.media-card-actions {
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    gap: 6px;
    opacity: 0;
    transition: all 0.2s ease;
    z-index: 2;
}

.media-card:hover .media-card-actions {
    opacity: 1;
}

.media-action-btn {
    width: 28px;
    height: 28px;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.media-action-btn:hover {
    background-color: white;
    transform: scale(1.1);
}

.media-action-btn svg {
    width: 14px;
    height: 14px;
    color: #333333;
}

/* 信息区（占卡片高度 25%） */
.media-card-info {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

/* 信息区每一行 */
.media-card-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 20px;
}

/* 拍摄日期 */
.media-date {
    font-size: 12px;
    color: #666666;
}

/* EXIF信息 */
.media-exif {
    font-size: 11px;
    color: #888888;
    text-align: right;
}

/* 描述文本 */
.media-description {
    font-size: 14px;
    font-weight: 500;
    color: #333333;
    line-height: 1.4;
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    transition: all 0.3s ease;
}

.media-card:hover .media-description {
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
    line-height: 1.4;
}

/* 底部标签区（占卡片高度 10%） */
.media-tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    min-height: 20px;
}

/* 标签样式 */
.media-tag {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    background-color: #F5F5F5;
    color: #666666;
    font-size: 11px;
    border-radius: 4px;
    font-weight: 500;
    transition: all 0.2s ease;
    white-space: nowrap;
    cursor: pointer;
}

.media-tag:hover {
    background-color: #E5E5E5;
    color: #333333;
}

/* 更多标签按钮 */
.more-tags {
    background-color: #E5E5E5;
    color: #666666;
    cursor: pointer;
}

.more-tags:hover {
    background-color: #D4D4D4;
    color: #333333;
}

/* 标签提示框 */
.tags-tooltip {
    position: fixed;
    background-color: #ffffff;
    border-radius: 8px;
    padding: 10px 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    z-index: 1000;
    max-width: 250px;
    border: 1px solid #E5E5E5;
}

.tags-tooltip::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid #ffffff;
}

/* 照片网格响应式布局 */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    padding-bottom: 4rem;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .media-card-info {
        padding: 10px 12px;
    }
    
    .media-date {
        font-size: 13px;
    }
    
    .media-exif {
        font-size: 11px;
    }
    
    .media-description {
        font-size: 11px;
    }
    
    .media-tag {
        font-size: 10px;
        padding: 2px 6px;
    }
}

/* ==================== 预览模态框样式 ==================== */

/* 模态框容器 */
.preview-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
}

/* 模态框遮罩 */
.preview-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

/* 模态框内容 */
.preview-modal-content {
    position: relative;
    z-index: 1001;
    width: 95vw;
    height: 90vh;
    max-width: 1400px;
    max-height: 900px;
    display: flex;
    background-color: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* 左侧预览区 */
.preview-modal-preview {
    flex: 7;
    background-color: rgba(26, 26, 26, 0.9);
    backdrop-filter: blur(10px);
    position: relative;
    display: flex;
    flex-direction: column;
}

/* 顶部控制栏 */
.preview-modal-controls {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
    transition: all 0.3s ease;
    pointer-events: none;
}

.preview-modal-controls button {
    pointer-events: auto;
}

/* 右上角下载按钮容器 */
.preview-modal-top-right {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 11;
    transition: all 0.3s ease;
    display: flex;
    gap: 10px;
}

/* 控制按钮 */
.preview-modal-download,
.preview-modal-prev,
.preview-modal-next {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(26, 26, 26, 0.9);
    color: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.preview-modal-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.1);
    color: #333;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: -5px;
    margin-right: -5px;
}

.preview-modal-download:hover,
.preview-modal-prev:hover,
.preview-modal-next:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

/* 下载提示文字 */
.download-tooltip {
    position: absolute;
    top: calc(100% + 8px);
    right: 50%;
    transform: translateX(50%);
    background-color: rgba(0, 0, 0, 0.85);
    color: white;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    z-index: 100;
}

.download-tooltip::before {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-bottom: 4px solid rgba(0, 0, 0, 0.85);
}

.preview-modal-download:hover .download-tooltip {
    opacity: 1;
    visibility: visible;
    top: calc(100% + 12px);
}

.preview-modal-close:hover {
    background-color: rgba(0, 0, 0, 0.2);
    transform: scale(1.1);
}

.preview-modal-close:hover,
.preview-modal-prev:hover,
.preview-modal-next:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

/* 信息区头部 */
.preview-info-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
}

.preview-info-title-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 0;
}

.preview-info-type {
    display: flex;
    align-items: center;
    height: 32px;
    flex-shrink: 0;
}

.preview-info-title {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    height: 32px;
    line-height: 32px;
    transition: all 0.3s ease;
}

.preview-info-title:hover {
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
    line-height: 1.4;
    height: auto;
    padding: 2px 0;
    margin-top: -2px;
}

/* 拍摄日期 */
.preview-info-time {
    font-size: 14px;
    color: #666;
    display: flex;
    align-items: center;
    gap: 5px;
}

.preview-info-time::before {
    content: "📷";
    font-size: 14px;
}

.preview-info-time::after {
    content: " 拍摄日期";
    font-size: 14px;
}

/* 媒体预览区 */
.preview-modal-media {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    overflow: hidden;
}

/* 照片预览 */
.preview-modal-photo {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    touch-action: none;
}

.preview-modal-photo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.1s ease;
    cursor: grab;
    user-select: none;
    touch-action: none;
}

.preview-modal-photo img:active {
    cursor: grabbing;
}

.preview-modal-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* 视频预览 */
.preview-modal-video {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.preview-modal-video-player {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    background-color: #000;
    z-index: 1;
    border-radius: 4px;
}

/* 确保视频控制条可见 */
.preview-modal-video-player::-webkit-media-controls {
    display: flex !important;
    opacity: 1 !important;
}

.preview-modal-video-player::-webkit-media-controls-panel {
    background-color: rgba(0, 0, 0, 0.7) !important;
}

.preview-modal-video-player::-webkit-media-controls-play-button,
.preview-modal-video-player::-webkit-media-controls-current-time-display,
.preview-modal-video-player::-webkit-media-controls-time-remaining-display,
.preview-modal-video-player::-webkit-media-controls-volume-control-button,
.preview-modal-video-player::-webkit-media-controls-mute-button,
.preview-modal-video-player::-webkit-media-controls-fullscreen-button {
    filter: invert(1) !important;
}

.preview-modal-video-player::-webkit-media-controls-current-time-display,
.preview-modal-video-player::-webkit-media-controls-time-remaining-display {
    color: #fff !important;
}

.preview-modal-video .video-js .vjs-big-play-button {
    width: 84px;
    height: 84px;
    border-radius: 9999px;
    border: 0;
    left: 50%;
    top: 50%;
    margin-left: -42px;
    margin-top: -42px;
    background: var(--primary-gradient, linear-gradient(135deg, #667eea 0%, #764ba2 100%));
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.45);
    transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

.preview-modal-video .video-js .vjs-big-play-button .vjs-icon-placeholder:before {
    font-size: 44px;
    line-height: 84px;
}

.preview-modal-video .video-js .vjs-big-play-button:hover {
    transform: scale(1.05);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.55);
    filter: brightness(1.05);
}

.preview-modal-video .video-js .vjs-control-bar {
    background-color: rgba(0, 0, 0, 0.55);
}

/* 底部快捷操作栏 - 已移除，下载按钮已移动到顶部 */

/* 右侧信息区 */
.preview-modal-info {
    flex: 3;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 32px 24px 24px;
    overflow-y: auto;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

/* 关闭按钮 */
.preview-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: #666;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.preview-modal-close:hover {
    background-color: #fff;
    color: #333;
    transform: rotate(90deg) scale(1.1);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.preview-modal-close:active {
    transform: rotate(90deg) scale(0.95);
    transition: all 0.1s ease;
}

.preview-modal-close i,
.preview-modal-close svg {
    width: 16px;
    height: 16px;
    transition: all 0.3s ease;
}

/* 信息区块 */
.preview-info-section {
    margin-bottom: 24px;
}

/* 区块标题 */
.preview-info-section-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #333;
}

/* 信息项 */
.preview-info-item {
    display: flex;
    margin-bottom: 8px;
    font-size: 14px;
}

/* 信息标签 */
.preview-info-label {
    color: #666;
    margin-right: 8px;
    min-width: 80px;
    font-weight: 500;
}

/* 信息值 */
.preview-info-value {
    color: #333;
    font-weight: 500;
    flex: 1;
}

/* 描述 */
.preview-info-description {
    font-size: 14px;
    line-height: 1.5;
    color: #333;
    margin: 0;
}

/* EXIF参数 */
.preview-info-exif {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.preview-info-exif-item {
    display: flex;
    font-size: 14px;
}

.preview-info-exif-label {
    color: #666;
    margin-right: 8px;
    min-width: 80px;
    font-weight: 500;
}

.preview-info-exif-value {
    color: #333;
    font-weight: 500;
    flex: 1;
}

/* 标签 */
.preview-info-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.preview-info-tag {
    padding: 3px 10px;
    background-color: #F5F5F5;
    color: #666;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.preview-info-tag:hover {
    background-color: #E5E5E5;
    color: #333;
}

/* 响应式布局 */
@media (max-width: 1024px) {
    .preview-modal-content {
        flex-direction: column;
        height: 95vh;
    }
    
    .preview-modal-preview {
        flex: 2;
    }
    
    .preview-modal-info {
        flex: 1;
        max-height: 300px;
    }
}

@media (max-width: 768px) {
    .preview-modal-content {
        width: 98vw;
        height: 98vh;
    }
    
    .preview-modal-controls {
        padding: 15px;
    }
    
    .preview-modal-media {
        padding: 50px 15px;
    }
    
    .preview-modal-actions {
        padding: 15px;
        gap: 15px;
    }
    
    .preview-modal-action-btn {
        min-width: 60px;
        padding: 8px 12px;
    }
    
    .preview-modal-info {
        padding: 20px;
    }
    
    .preview-info-exif {
        grid-template-columns: 1fr;
    }
}

/* 操作按钮自动隐藏 */
.preview-modal-controls.hidden,
.preview-modal-actions.hidden {
    opacity: 0;
    pointer-events: none;
}

/* 滚动条样式 */
.preview-modal-info::-webkit-scrollbar {
    width: 6px;
}

.preview-modal-info::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.preview-modal-info::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.preview-modal-info::-webkit-scrollbar-thumb:hover {
    background: #a1a1a1;
}