/* ============================================================
   流云图库 - 现代化双栏布局样式
   ============================================================ */

/* ============ CSS 变量 ============ */
:root {
    /* 主色调 - 蓝紫渐变 */
    --primary-blue: #1e40af;
    --secondary-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-pink: #ec4899;
    
    /* 中性色 */
    --white: #ffffff;
    --light-gray: #f8fafc;
    --medium-gray: #e2e8f0;
    --border-gray: #e5e7eb;
    --dark-gray: #475569;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --text-muted: #94a3b8;
    
    /* 背景 */
    --bg-primary: #f8fafc;
    --bg-surface: #ffffff;
    --bg-hover: #f1f5f9;
    --bg-sidebar: #ffffff;
    
    /* 阴影 */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.12);
    
    /* 圆角 */
    --radius: 8px;
    --radius-card: 12px;
    --radius-lg: 16px;
    --radius-full: 999px;
    
    /* 间距 */
    --spacer-xs: 4px;
    --spacer-sm: 8px;
    --spacer-md: 12px;
    --spacer-lg: 16px;
    --spacer-xl: 20px;
    --spacer-2xl: 24px;
    --spacer-3xl: 32px;
    
    /* 尺寸 */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 72px;
    --topbar-height: 64px;
    
    /* 动画 */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* ============ 基础 Reset ============ */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { 
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif; 
    background: var(--bg-primary);
    min-height: 100vh;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input { font-family: inherit; }

/* ============ 双栏布局 ============ */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ============ 侧边栏 ============ */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-gray);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    flex-shrink: 0;
    transition: width var(--transition-slow);
    z-index: 100;
    overflow: hidden;
}

/* 折叠状态 */
.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar.collapsed .brand-text,
.sidebar.collapsed .nav-item span,
.sidebar.collapsed .sidebar-section-title span,
.sidebar.collapsed .sidebar-section-title .section-arrow,
.sidebar.collapsed .sidebar-tags,
.sidebar.collapsed .sidebar-people,
.sidebar.collapsed .sidebar-section-content,
.sidebar.collapsed .sidebar-divider {
    opacity: 0;
    pointer-events: none;
    display: none;
}

.sidebar.collapsed .sidebar-section {
    padding: var(--spacer-md) 0;
    gap: var(--spacer-xs);
}

.sidebar.collapsed .sidebar-section-title {
    justify-content: center;
    padding: var(--spacer-sm) 0;
    margin-bottom: 0;
}

.sidebar.collapsed .sidebar-section-group {
    margin-bottom: var(--spacer-sm);
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding-left: 0;
    padding-right: 0;
    margin: 0 var(--spacer-xs);
}

.sidebar.collapsed .sidebar-brand {
    padding: var(--spacer-lg) 0;
    justify-content: center;
}

.sidebar.collapsed .collapse-btn {
    justify-content: center;
    padding: var(--spacer-md) 0;
}

.sidebar.collapsed .collapse-btn i {
    transform: rotate(180deg);
}

.sidebar.collapsed .sidebar-nav {
    padding: var(--spacer-md) var(--spacer-xs);
}

/* 品牌 Logo */
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacer-md);
    padding: var(--spacer-2xl) var(--spacer-xl);
    border-bottom: 1px solid var(--border-gray);
    height: var(--topbar-height);
    flex-shrink: 0;
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--secondary-blue) 0%, var(--accent-purple) 100%);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.1rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.brand-text {
    font-size: 1.2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
    transition: opacity var(--transition-base);
}

/* 导航菜单 */
.sidebar-nav {
    padding: var(--spacer-lg) var(--spacer-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacer-xs);
    flex-shrink: 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacer-md);
    padding: var(--spacer-md) var(--spacer-lg);
    border-radius: var(--radius);
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.nav-item i {
    width: 20px;
    text-align: center;
    flex-shrink: 0;
    font-size: 1rem;
}

.nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-dark);
}

.nav-item.active {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    color: var(--secondary-blue);
    font-weight: 600;
}

.nav-item.active i {
    color: var(--secondary-blue);
}

/* 分隔线 */
.sidebar-divider {
    height: 1px;
    background: var(--border-gray);
    margin: var(--spacer-sm) var(--spacer-xl);
    flex-shrink: 0;
}

/* 侧边栏区域 */
.sidebar-section {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacer-lg) var(--spacer-md);
    display: flex;
    flex-direction: column;
    min-height: 0;
    gap: var(--spacer-sm);
}

.sidebar-section::-webkit-scrollbar {
    width: 4px;
}
.sidebar-section::-webkit-scrollbar-thumb {
    background: var(--medium-gray);
    border-radius: 2px;
}

/* 可折叠区块组 */
.sidebar-section-group {
    display: flex;
    flex-direction: column;
}

.sidebar-section-title {
    display: flex;
    align-items: center;
    gap: var(--spacer-md);
    padding: var(--spacer-sm) var(--spacer-lg);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: var(--spacer-sm);
}

.sidebar-section-title.collapsible {
    cursor: pointer;
    border-radius: var(--radius);
    transition: background var(--transition-fast);
    user-select: none;
}

.sidebar-section-title.collapsible:hover {
    background: var(--bg-hover);
    color: var(--text-light);
}

.section-arrow {
    margin-left: auto;
    font-size: 0.7rem;
    transition: transform var(--transition-base);
    opacity: 0.6;
}

.sidebar-section-group.collapsed .section-arrow {
    transform: rotate(-90deg);
}

.sidebar-section-content {
    overflow: hidden auto;
    max-height: 600px;
    transition: max-height 0.28s cubic-bezier(0.4, 0, 0.2, 1), 
                opacity 0.2s ease,
                margin 0.2s ease;
    opacity: 1;
    margin-bottom: var(--spacer-sm);
}

/* 侧边栏内容滚动条美化 */
.sidebar-section-content::-webkit-scrollbar {
    width: 4px;
}

.sidebar-section-content::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-section-content::-webkit-scrollbar-thumb {
    background: var(--border-gray);
    border-radius: 2px;
}

.sidebar-section-content::-webkit-scrollbar-thumb:hover {
    background: var(--text-light);
}

.sidebar-section-group.collapsed .sidebar-section-content {
    max-height: 0;
    opacity: 0;
    margin-bottom: 0;
    transition: max-height 0.2s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.15s ease,
                margin 0.15s ease;
}

.sidebar-section-title i:first-child {
    width: 20px;
    text-align: center;
    font-size: 0.85rem;
}

/* 侧边栏标签列表 */
.sidebar-tags {
    display: flex;
    flex-direction: column;
    gap: var(--spacer-xs);
    transition: opacity var(--transition-base);
}

.sidebar-tag {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacer-sm) var(--spacer-lg);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.9rem;
    color: var(--text-light);
}

.sidebar-tag:hover {
    background: var(--bg-hover);
    color: var(--text-dark);
}

.sidebar-tag.active {
    background: rgba(59, 130, 246, 0.1);
    color: var(--secondary-blue);
    font-weight: 500;
}

.sidebar-tag-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-tag-count {
    background: var(--bg-hover);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    flex-shrink: 0;
}

.sidebar-tag.active .sidebar-tag-count {
    background: var(--secondary-blue);
    color: var(--white);
}

/* 侧边栏人物列表 */
.sidebar-people {
    display: flex;
    flex-direction: column;
    gap: var(--spacer-xs);
    transition: opacity var(--transition-base);
}

.sidebar-person {
    display: flex;
    align-items: center;
    gap: var(--spacer-sm);
    padding: var(--spacer-sm) var(--spacer-lg);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.9rem;
    color: var(--text-light);
}

.sidebar-person:hover {
    background: var(--bg-hover);
    color: var(--text-dark);
}

.sidebar-person.active {
    background: rgba(139, 92, 246, 0.1);
    color: var(--accent-purple);
    font-weight: 500;
}

.sidebar-person-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #6366f1;
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    flex-shrink: 0;
}

.sidebar-person-info {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

.sidebar-person-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.9rem;
}

.sidebar-person-count {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.sidebar-person.active .sidebar-person-count {
    color: var(--accent-purple);
    opacity: 0.8;
}

/* 侧边栏底部 */
.sidebar-footer {
    padding: var(--spacer-md);
    border-top: 1px solid var(--border-gray);
    flex-shrink: 0;
    margin-top: auto;
}

.collapse-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: var(--spacer-md);
    border-radius: var(--radius);
    color: var(--text-light);
    font-size: 1rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.collapse-btn:hover {
    background: var(--bg-hover);
    color: var(--text-dark);
}

.collapse-btn i {
    width: 20px;
    text-align: center;
    transition: transform var(--transition-base);
}

/* ============ 主内容区 ============ */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* ============ 顶部工具栏 ============ */
.topbar {
    height: var(--topbar-height);
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-gray);
    display: flex;
    align-items: center;
    gap: var(--spacer-lg);
    padding: 0 var(--spacer-2xl);
    position: sticky;
    top: 0;
    z-index: 50;
}

.mobile-menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    color: var(--text-light);
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.mobile-menu-btn:hover {
    background: var(--bg-hover);
    color: var(--text-dark);
}

/* 搜索栏 */
.search-bar {
    flex: 1;
    max-width: 640px;
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: var(--spacer-lg);
    color: var(--text-muted);
    font-size: 1rem;
    pointer-events: none;
}

.search-bar input {
    width: 100%;
    padding: var(--spacer-md) var(--spacer-3xl);
    font-size: 0.95rem;
    border: 1px solid var(--border-gray);
    border-radius: var(--radius-full);
    background: var(--bg-hover);
    color: var(--text-dark);
    transition: all var(--transition-fast);
}

.search-bar input::placeholder {
    color: var(--text-muted);
}

.search-bar input:focus {
    outline: none;
    border-color: var(--secondary-blue);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.search-clear {
    position: absolute;
    right: var(--spacer-md);
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.search-clear:hover {
    background: var(--medium-gray);
    color: var(--text-dark);
}

/* 顶部操作按钮 */
.topbar-actions {
    display: flex;
    align-items: center;
    gap: var(--spacer-sm);
    margin-left: auto;
}

.action-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    position: relative;
}

.action-btn:hover {
    background: var(--bg-hover);
    color: var(--secondary-blue);
}

.action-btn:active {
    transform: scale(0.95);
}

/* ============ 筛选状态条 ============ */
.filter-bar {
    display: flex;
    align-items: center;
    gap: var(--spacer-md);
    padding: var(--spacer-md) var(--spacer-2xl);
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-bottom: 1px solid #fcd34d;
}

.filter-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacer-sm);
    color: #92400e;
    font-weight: 600;
    font-size: 0.9rem;
}

.filter-pill {
    background: var(--white);
    padding: 4px var(--spacer-md);
    border-radius: var(--radius-full);
    font-weight: 700;
    color: #92400e;
    font-size: 0.9rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.filter-remove {
    margin-left: auto;
    padding: var(--spacer-sm) var(--spacer-md);
    background: #92400e;
    color: var(--white);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.85rem;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacer-xs);
}

.filter-remove:hover {
    background: #78350f;
    transform: translateY(-1px);
}

/* ============ 内容区域 ============ */
.content-area {
    flex: 1;
    padding: var(--spacer-2xl);
    max-width: 100%;
}

/* 统计条 */
.stats-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacer-xl);
    padding: var(--spacer-xl) var(--spacer-2xl);
    background: var(--bg-surface);
    border-radius: var(--radius-card);
    border: 1px solid var(--border-gray);
    margin-bottom: var(--spacer-2xl);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacer-sm);
}

.stat-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    color: var(--secondary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.stat-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1;
}

.stat-label {
    color: var(--text-light);
    font-size: 0.9rem;
}

.stat-divider {
    width: 1px;
    height: 36px;
    background: var(--border-gray);
}

/* 热门人物横向滚动条 */
.people-strip {
    display: flex;
    align-items: center;
    gap: var(--spacer-lg);
    padding: var(--spacer-md) var(--spacer-xl);
    background: var(--bg-surface);
    border-radius: var(--radius-card);
    border: 1px solid var(--border-gray);
    margin-bottom: var(--spacer-2xl);
    overflow: hidden;
    position: relative;
}

.people-strip-header {
    display: flex;
    align-items: center;
    gap: var(--spacer-sm);
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.9rem;
    flex-shrink: 0;
    padding-right: var(--spacer-lg);
    border-right: 1px solid var(--border-gray);
}

.people-strip-header i {
    color: var(--accent-purple);
}

.people-scroll {
    display: flex;
    gap: var(--spacer-md);
    overflow-x: auto;
    flex: 1;
    scroll-behavior: smooth;
    scrollbar-width: none;
    padding: var(--spacer-xs) 0;
}

.people-scroll::-webkit-scrollbar {
    display: none;
}

.person-chip-scroll {
    display: flex;
    align-items: center;
    gap: var(--spacer-sm);
    padding: var(--spacer-xs) var(--spacer-md) var(--spacer-xs) var(--spacer-xs);
    background: var(--bg-hover);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
    border: 1px solid transparent;
}

.person-chip-scroll:hover {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
    border-color: rgba(139, 92, 246, 0.2);
    transform: translateY(-1px);
}

.person-chip-scroll.active {
    background: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-pink) 100%);
    color: var(--white);
}

.person-chip-scroll.active .person-chip-name,
.person-chip-scroll.active .person-chip-count {
    color: var(--white);
}

.person-chip-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-pink) 100%);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.person-chip-info {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.person-chip-name {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-dark);
    white-space: nowrap;
}

.person-chip-count {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.people-scroll-hint {
    color: var(--text-muted);
    padding-left: var(--spacer-md);
    border-left: 1px solid var(--border-gray);
    flex-shrink: 0;
    animation: scrollHint 2s ease-in-out infinite;
}

@keyframes scrollHint {
    0%, 100% { opacity: 0.4; transform: translateX(0); }
    50% { opacity: 1; transform: translateX(4px); }
}

/* ============ 移动端遮罩 ============ */
.mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 99;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.mobile-overlay.active {
    display: block;
    opacity: 1;
}

/* ============ 旧样式保留：搜索框 + 按钮（兼容） ============ */
.container { 
    max-width: 1400px; 
    margin: 0 auto; 
    padding: 30px 20px; 
}

.header { 
    text-align: center; 
    margin-bottom: 50px; 
    color: var(--text-dark); 
}
.header h1 { 
    font-size: 3rem; 
    margin-bottom: 15px; 
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.header p { 
    font-size: 1.3rem; 
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.search-container { 
    text-align: center; 
    margin-bottom: 50px; 
}
.search-box { 
    position: relative; 
    display: inline-block; 
    max-width: 500px;
    width: 100%;
}
.search-box input { 
    width: 100%; 
    padding: 18px 60px 18px 25px; 
    font-size: 16px; 
    border: 2px solid var(--medium-gray); 
    border-radius: 50px; 
    background: var(--white);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    color: var(--text-dark);
}
.search-box input:focus { 
    outline: none; 
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
}
.search-box button { 
    position: absolute; 
    right: 15px; 
    top: 50%; 
    transform: translateY(-50%); 
    background: var(--secondary-blue); 
    border: none; 
    color: var(--white); 
    font-size: 18px; 
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}
.search-box button:hover {
    background: var(--primary-blue);
    transform: translateY(-50%) scale(1.05);
}

.action-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.random-button, .favorites-button {
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--secondary-blue) 0%, var(--primary-blue) 100%);
    color: var(--white);
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-md);
}

.random-button:hover, .favorites-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
}

.favorites-button {
    background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
}

.favorites-button:hover {
    background: linear-gradient(135deg, #db2777 0%, #ec4899 100%);
}

/* ============ 旧样式保留：收藏夹 ============ */
.favorites-container {
    width: 100%;
    min-height: 100vh;
    background: #f8fafc;
}

.favorites-header {
    background: linear-gradient(135deg, #fdf2f8 0%, #fce7f3 50%, #fbcfe8 100%);
    padding: 30px 40px;
    box-shadow: 0 4px 20px rgba(236, 72, 153, 0.1);
    border-bottom: 1px solid #f9a8d4;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.favorites-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(236, 72, 153, 0.3);
}

.favorites-icon i {
    font-size: 1.8rem;
    color: white;
}

.header-info h1 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 5px;
}

.favorites-count {
    font-size: 1.1rem;
    color: #6b7280;
}

.count-number {
    font-weight: 700;
    color: #ec4899;
    font-size: 1.2rem;
}

.sort-button, .back-button, .explore-button {
    padding: 10px 20px;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
}

.sort-button {
    background: white;
    color: #6b7280;
    border: 2px solid #e5e7eb;
}

.sort-button:hover {
    background: #f9fafb;
    border-color: #d1d5db;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.back-button {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
}

.back-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.explore-button {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

.explore-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

.favorites-content {
    width: 100%;
    padding: 0;
    margin: 0;
}

.empty-favorites {
    text-align: center;
    padding: 100px 20px;
    background: white;
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.empty-icon {
    width: 120px;
    height: 120px;
    background: #f3f4f6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
}

.empty-icon i {
    font-size: 4rem;
    color: #9ca3af;
}

.empty-favorites h3 {
    font-size: 1.8rem;
    color: #374151;
    margin-bottom: 10px;
}

.empty-favorites p {
    font-size: 1.1rem;
    color: #6b7280;
    margin-bottom: 30px;
}

.favorites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    padding: 30px;
    max-width: none;
    margin: 0;
    justify-items: center;
    align-items: start;
}

.favorite-card {
    width: 100%;
    max-width: 320px;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid #f1f5f9;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.favorite-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.card-image {
    position: relative;
    height: 180px;
    overflow: hidden;
    flex-shrink: 0;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.favorite-card:hover .card-image img {
    transform: scale(1.06);
}

.card-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.1), rgba(0,0,0,0.25));
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: flex-end;
}

.favorite-card:hover .card-overlay {
    opacity: 1;
}

@media (hover: none) and (pointer: coarse) {
    .favorite-card .card-overlay { opacity: 0.2; }
    .favorite-card:active .card-overlay,
    .favorite-card:focus .card-overlay { opacity: 1; }
}

.overlay-content {
    display: flex;
    gap: 6px;
    padding: 12px;
    width: 100%;
    justify-content: flex-end;
}

.quick-view, .remove-favorite {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    color: #374151;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-size: 0.85rem;
}

.quick-view:hover {
    background: #3b82f6;
    color: white;
    transform: scale(1.1);
}

.remove-favorite:hover {
    background: #ef4444;
    color: white;
    transform: scale(1.1);
}

.favorite-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(236, 72, 153, 0.4);
}

.favorite-badge i {
    color: white;
    font-size: 0.9rem;
}

.card-content {
    padding: 12px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.image-title {
    font-size: 1rem;
    font-weight: 600;
    color: #1f2937;
    line-height: 1.2;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
}

.album-info {
    color: #6b7280;
    font-size: 0.85rem;
    line-height: 1.3;
    margin: 0;
}

.image-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: auto;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 3px;
    font-size: 0.75rem;
    color: #9ca3af;
}

.meta-item i { font-size: 0.7rem; }

/* ============ 旧样式保留：预览模态框 ============ */
.preview-modal {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.preview-modal.active {
    opacity: 1;
    visibility: visible;
}

.preview-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.preview-container {
    position: relative;
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 90vw;
    max-height: 90vh;
    width: 1200px;
    height: 800px;
    display: flex;
    flex-direction: column;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.preview-modal.active .preview-container {
    transform: scale(1);
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid #f1f5f9;
    flex-shrink: 0;
}

.preview-title h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #1f2937;
    margin: 0 0 4px 0;
}

.preview-info {
    font-size: 0.9rem;
    color: #6b7280;
}

.preview-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.preview-nav {
    width: 40px;
    height: 40px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    background: white;
    color: #374151;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.preview-nav:hover:not(:disabled) {
    background: #f9fafb;
    border-color: #d1d5db;
    transform: translateY(-1px);
}

.preview-nav:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.preview-counter {
    font-size: 0.9rem;
    color: #6b7280;
    font-weight: 500;
}

.preview-close {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 8px;
    background: #f3f4f6;
    color: #374151;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.preview-close:hover {
    background: #ef4444;
    color: white;
}

.preview-content {
    flex: 1;
    padding: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-image-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: opacity 0.3s ease;
}

.preview-loading {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: #6b7280;
}

.preview-loading i { font-size: 2rem; }

.preview-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-top: 1px solid #f1f5f9;
    flex-shrink: 0;
}

.preview-meta {
    display: flex;
    gap: 20px;
}

.preview-meta .meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    color: #6b7280;
}

.preview-meta .meta-item i { font-size: 0.8rem; }

.preview-controls {
    display: flex;
    gap: 12px;
}

.preview-action {
    padding: 8px 16px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    background: white;
    color: #374151;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.preview-action:hover {
    background: #f9fafb;
    border-color: #d1d5db;
}

.preview-remove {
    border-color: #fecaca;
    color: #dc2626;
}

.preview-remove:hover {
    background: #fef2f2;
    border-color: #fca5a5;
}

.preview-action.favorited {
    border-color: #fbcfe8;
    color: #ec4899;
    background: #fdf2f8;
}

.preview-action.favorited:hover {
    background: #fce7f3;
    border-color: #f9a8d4;
}

.preview-action.favorited i { color: #ec4899; }

/* ============ 旧样式保留：统计 + 发现区域 ============ */
.stats { 
    text-align: center; 
    color: var(--text-dark); 
    margin-bottom: 40px; 
    font-size: 1.1rem; 
    background: var(--white);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--medium-gray);
}

.discover-section {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--medium-gray);
    margin-bottom: 30px;
    overflow: hidden;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 24px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-bottom: 1px solid var(--medium-gray);
}

.section-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-header h3 i { color: var(--secondary-blue); }

.section-toggle {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 6px;
    transition: all 0.2s ease;
    font-size: 0.9rem;
}

.section-toggle:hover {
    background: rgba(59, 130, 246, 0.1);
    color: var(--secondary-blue);
}

.tag-cloud {
    padding: 20px 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.tag-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 1px solid #bae6fd;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.25s ease;
    user-select: none;
}

.tag-chip small {
    color: var(--text-light);
    font-weight: 500;
    opacity: 0.8;
}

.tag-chip:hover {
    background: linear-gradient(135deg, var(--secondary-blue) 0%, var(--primary-blue) 100%);
    color: var(--white) !important;
    border-color: var(--secondary-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.tag-chip:hover small { color: rgba(255, 255, 255, 0.85); }

.people-cloud {
    padding: 20px 24px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
}

.person-chip {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    background: linear-gradient(135deg, #fdf4ff 0%, #fae8ff 100%);
    border: 1px solid #f5d0fe;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.25s ease;
}

.person-chip:hover {
    background: linear-gradient(135deg, #a855f7 0%, #9333ea 100%);
    border-color: #9333ea;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.person-chip:hover .person-name,
.person-chip:hover .person-meta { color: var(--white); }

.person-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #a855f7 0%, #7c3aed 100%);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.person-chip:hover .person-avatar { background: rgba(255, 255, 255, 0.25); }

.person-info { flex: 1; min-width: 0; }

.person-name {
    font-weight: 700;
    color: var(--text-dark);
    font-size: 0.95rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.person-meta {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 2px;
}

.filter-status {
    display: none;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border: 1px solid #fcd34d;
    border-radius: var(--border-radius);
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.filter-label {
    font-weight: 600;
    color: #92400e;
    font-size: 0.95rem;
}

.filter-tag {
    background: var(--white);
    padding: 4px 12px;
    border-radius: 16px;
    font-weight: 700;
    color: #92400e;
    font-size: 0.9rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.filter-clear {
    margin-left: auto;
    padding: 6px 14px;
    background: #92400e;
    color: var(--white);
    border: none;
    border-radius: 16px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.filter-clear:hover {
    background: #78350f;
    transform: translateY(-1px);
}

/* ============ 相册网格 + 卡片 ============ */
.albums-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px; 
    margin-bottom: 40px;
}

.loading {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
    font-size: 1.1rem;
    grid-column: 1 / -1;
}

.loading .fa-spinner {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--secondary-blue);
}

.skeleton {
    background: linear-gradient(90deg, var(--light-gray) 25%, var(--medium-gray) 50%, var(--light-gray) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: var(--border-radius);
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--medium-gray);
}

.skeleton-cover { height: 220px; width: 100%; }
.skeleton-content { padding: 25px; }
.skeleton-title { height: 24px; width: 80%; margin-bottom: 15px; border-radius: 4px; }

.skeleton-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

.skeleton-meta-item { height: 16px; width: 40%; border-radius: 4px; }
.skeleton-button { height: 44px; width: 100%; border-radius: 10px; }

.album-card { 
    background: var(--white); 
    border-radius: var(--radius-card); 
    box-shadow: var(--shadow-sm); 
    overflow: hidden; 
    transition: all var(--transition-slow);
    position: relative;
    border: 1px solid var(--border-gray);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.album-card:hover { 
    transform: translateY(-4px); 
    box-shadow: var(--shadow-lg);
    border-color: var(--secondary-blue);
}

.album-cover { 
    height: 220px; 
    overflow: hidden; 
    position: relative;
    background: var(--bg-hover);
    display: flex;
    align-items: center;
    justify-content: center;
}

.album-cover img { 
    width: 100%; 
    height: 100%; 
    object-fit: cover; 
    transition: transform 0.5s ease;
    display: block;
}

.album-card:hover .album-cover img { transform: scale(1.05); }

.album-info { 
    padding: 16px; 
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.album-info h3 { 
    font-size: 1rem; 
    margin: 0;
    color: var(--text-dark); 
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-weight: 600;
}

.album-meta { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    color: var(--text-light);
    font-size: 0.85rem;
}

.album-meta span { 
    display: flex; 
    align-items: center; 
    gap: 6px;
}

/* 相册标签胶囊 */
.album-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: auto;
}

.album-tag {
    padding: 2px 8px;
    background: var(--bg-hover);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--text-light);
    font-weight: 500;
}

/* 无结果 */
.no-results { 
    text-align: center; 
    padding: 60px 20px; 
    color: var(--text-light); 
    font-size: 1.2rem;
    grid-column: 1 / -1;
}

.no-results .fa-search {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--medium-gray);
}

.search-hint {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
    grid-column: 1 / -1;
}

.search-hint .fa-search {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--medium-gray);
}

.search-hint h3 { color: var(--text-dark); margin-bottom: 15px; }

.loading-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
    font-size: 1.2rem;
    max-width: 400px;
    margin: 0 auto;
    grid-column: 1 / -1;
}

.loading-state .fa-spinner {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--secondary-blue);
}

.loading-state p { margin-bottom: 20px; color: var(--text-dark); }

.progress-bar {
    width: 100%;
    height: 6px;
    background-color: var(--light-gray);
    border-radius: 3px;
    overflow: hidden;
}

.progress {
    height: 100%;
    background: linear-gradient(135deg, var(--secondary-blue) 0%, var(--primary-blue) 100%);
    border-radius: 3px;
    transition: width 0.3s ease;
}

/* 分页加载 */
.loading-more {
    text-align: center;
    padding: 40px 20px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin: 20px 0;
    border: 1px solid var(--medium-gray);
}

.loading-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--text-light);
    font-size: 1rem;
}

.loading-spinner .fa-spinner {
    color: var(--secondary-blue);
    font-size: 1.2rem;
}

.load-more-error {
    text-align: center;
    padding: 30px 20px;
    background: #fef2f2;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin: 20px 0;
    border: 1px solid #fecaca;
    color: #dc2626;
}

.error-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1rem;
}

.error-content .fa-exclamation-triangle { font-size: 1.2rem; }
.error-content a { color: var(--primary-blue); text-decoration: underline; cursor: pointer; }
.error-content a:hover { color: var(--secondary-blue); }

/* ============ 响应式设计 ============ */

/* 桌面端：侧边栏折叠 */
@media (max-width: 1199px) {
    .content-area { padding: var(--spacer-xl); }
    
    .stats-bar {
        gap: var(--spacer-lg);
        padding: var(--spacer-lg);
    }
    
    .stat-value { font-size: 1.2rem; }
}

/* 平板端 */
@media (max-width: 1024px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        transform: translateX(-100%);
        box-shadow: var(--shadow-xl);
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .topbar { padding: 0 var(--spacer-lg); }
    
    .content-area { padding: var(--spacer-lg); }
    
    .stats-bar {
        flex-wrap: wrap;
        gap: var(--spacer-md);
    }
    
    .stat-divider:nth-of-type(2) { display: none; }
    
    .albums-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: 20px;
    }
    
    .album-cover { height: 200px; }
}

/* 手机端 */
@media (max-width: 768px) {
    :root {
        --topbar-height: 56px;
    }
    
    .topbar {
        padding: 0 var(--spacer-md);
        gap: var(--spacer-sm);
    }
    
    .search-bar input {
        padding: 10px var(--spacer-2xl);
        font-size: 0.9rem;
    }
    
    .topbar-actions .action-btn:nth-child(1) {
        display: none;
    }
    
    .content-area { padding: var(--spacer-md); }
    
    .stats-bar {
        padding: var(--spacer-md);
        gap: var(--spacer-sm);
        margin-bottom: var(--spacer-lg);
    }
    
    .stat-icon {
        width: 30px;
        height: 30px;
        font-size: 0.85rem;
    }
    
    .stat-value { font-size: 1rem; }
    .stat-label { font-size: 0.8rem; }
    .stat-divider { height: 28px; }
    
    .people-strip {
        padding: var(--spacer-sm) var(--spacer-md);
        gap: var(--spacer-md);
        margin-bottom: var(--spacer-lg);
    }
    
    .people-strip-header {
        font-size: 0.8rem;
        padding-right: var(--spacer-md);
    }
    
    .people-scroll-hint { display: none; }
    
    .albums-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        margin-bottom: 20px;
    }
    
    .album-cover { height: 140px; }
    .album-info { padding: 10px; gap: 4px; }
    .album-info h3 { font-size: 0.85rem; -webkit-line-clamp: 2; }
    .album-meta { font-size: 0.75rem; flex-direction: column; align-items: flex-start; gap: 2px; }
    
    .filter-bar {
        padding: var(--spacer-sm) var(--spacer-md);
        flex-wrap: wrap;
        gap: var(--spacer-sm);
    }
    
    .filter-indicator { font-size: 0.8rem; }
    .filter-pill { font-size: 0.8rem; padding: 3px 10px; }
    .filter-remove { font-size: 0.8rem; padding: var(--spacer-xs) var(--spacer-md); }
}

/* 小屏手机 */
@media (max-width: 480px) {
    .albums-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .album-cover { height: 180px; }
    .album-info { padding: 14px; }
    .album-info h3 { font-size: 1rem; }
    .album-meta { font-size: 0.85rem; }
    
    .stats-bar {
        flex-direction: column;
        gap: var(--spacer-sm);
    }
    
    .stat-divider {
        width: 60%;
        height: 1px;
    }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    .album-card:hover {
        transform: none;
        box-shadow: var(--shadow-sm);
    }
    
    .album-card:active {
        transform: scale(0.98);
        box-shadow: var(--shadow-md);
    }
    
    .nav-item:hover { background: transparent; }
    .nav-item:active { background: var(--bg-hover); }
    
    .sidebar-tag:hover { background: transparent; }
    .sidebar-tag:active { background: var(--bg-hover); }
}

/* 高分辨率屏幕优化 */
@media (min-resolution: 2dppx) {
    .album-cover img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}