/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
.header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo a {
    font-size: 24px;
    font-weight: bold;
    color: #333;
    text-decoration: none;
}

.nav {
    display: flex;
    gap: 30px;
}

.nav a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s;
}

.nav a:hover {
    color: #1890ff;
}

.user-menu, .auth-links {
    display: flex;
    gap: 20px;
    align-items: center;
}

.user-menu a, .auth-links a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s;
}

.user-menu a:hover, .auth-links a:hover {
    color: #1890ff;
}

/* 主内容区 */
.main {
    min-height: calc(100vh - 140px);
    padding: 30px 0;
}

/* 页脚 */
.footer {
    background: #fff;
    border-top: 1px solid #e8e8e8;
    padding: 20px 0;
    text-align: center;
    color: #999;
}

/* 按钮 */
.btn {
    display: inline-block;
    padding: 10px 20px;
    background: #1890ff;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.3s;
}

.btn:hover {
    background: #40a9ff;
}

.btn-secondary {
    background: #f5f5f5;
    color: #333;
}

.btn-secondary:hover {
    background: #e8e8e8;
}

/* 表单 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: #1890ff;
}

/* 瀑布流布局 */
.waterfall {
    column-count: 4;
    column-gap: 15px;
}

.waterfall-item {
    break-inside: avoid;
    margin-bottom: 15px;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.waterfall-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.waterfall-item img {
    width: 100%;
    display: block;
}

.waterfall-item-info {
    padding: 15px;
}

.waterfall-item-title {
    font-weight: 500;
    margin-bottom: 8px;
}

.waterfall-item-meta {
    display: flex;
    justify-content: space-between;
    color: #999;
    font-size: 12px;
}

/* 响应式 */
@media (max-width: 1200px) {
    .waterfall {
        column-count: 3;
    }
}

@media (max-width: 768px) {
    .waterfall {
        column-count: 2;
    }

    .header-content {
        flex-wrap: wrap;
    }

    .nav {
        order: 3;
        width: 100%;
        margin-top: 10px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .waterfall {
        column-count: 1;
    }
}

/* 卡片 */
.card {
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.card-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 15px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}

.pagination a {
    display: inline-block;
    padding: 8px 12px;
    background: #fff;
    color: #666;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s;
}

.pagination a:hover {
    color: #1890ff;
    border-color: #1890ff;
}

.pagination a.active {
    background: #1890ff;
    color: #fff;
    border-color: #1890ff;
}

/* 加载动画 */
.loading {
    text-align: center;
    padding: 50px;
    color: #999;
}

/* 空状态 */
.empty {
    text-align: center;
    padding: 50px;
    color: #999;
}

.empty-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

/* ==================== 暗色主题下的毛玻璃效果 ==================== */
[data-theme="dark"] .header {
    background: rgba(26, 26, 26, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* ==================== 动画增强 ==================== */
/* 导航栏滚动时优化 */
.header.scrolled {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* 按钮悬停微动画 */
.btn:hover {
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

/* 卡片悬停深度效果 */
.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

/* 链接悬停动画 */
.nav a {
    position: relative;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #1890ff;
    transition: width 0.3s ease;
}

.nav a:hover::after {
    width: 100%;
}

/* 输入框聚焦动画 */
.form-control:focus {
    transform: scale(1.01);
    box-shadow: 0 0 0 3px rgba(24, 144, 255, 0.1);
}

/* 加载动画优化 */
.loading {
    position: relative;
}

.loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    margin-left: 10px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #1890ff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 分页按钮动画 */
.pagination a {
    position: relative;
    overflow: hidden;
}

.pagination a::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(24, 144, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s;
}

.pagination a:hover::before {
    width: 100%;
    height: 100%;
}

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

/* 选中文本样式 */
::selection {
    background: rgba(24, 144, 255, 0.2);
    color: inherit;
}

/* 性能优化：will-change */
.btn,
.card,
.waterfall-item {
    will-change: transform;
}

/* GPU加速 */
.btn,
.card,
.waterfall-item,
.nav a {
    transform: translateZ(0);
    backface-visibility: hidden;
}
/**
 * 高级布局样式
 * 支持Quilted、Grid、Masonry三种布局模式
 * 支持Compact、Standard、Comfortable三种密度
 */

/* ==================== 布局切换工具栏 ==================== */
.layout-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding: 15px 20px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.layout-controls-left,
.layout-controls-right {
    display: flex;
    gap: 10px;
    align-items: center;
}

.layout-control-label {
    color: #666;
    font-size: 14px;
    margin-right: 5px;
}

.layout-mode-btn,
.density-btn {
    padding: 8px 16px;
    border: 1px solid #d9d9d9;
    background: #fff;
    color: #666;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.layout-mode-btn:hover,
.density-btn:hover {
    color: #1890ff;
    border-color: #1890ff;
    transform: translateY(-1px);
}

.layout-mode-btn.active,
.density-btn.active {
    background: #1890ff;
    color: #fff;
    border-color: #1890ff;
    font-weight: 500;
}

.layout-mode-btn svg,
.density-btn svg {
    width: 16px;
    height: 16px;
}

/* ==================== 基础容器样式 ==================== */
.waterfall {
    width: 100%;
    margin: 0 auto;
}

.waterfall-item {
    position: relative;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.waterfall-item:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    transform: translateY(-4px);
}

.waterfall-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s;
}

/* 图片悬停放大效果 */
.waterfall-item:hover img {
    transform: scale(1.05);
}

.waterfall-item-info {
    padding: 12px 16px;
    background: #fff;
}

.waterfall-item-title {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 6px;
    color: #333;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.waterfall-item-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #999;
    font-size: 12px;
}

.waterfall-item-meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* ==================== Quilted拼图布局 ==================== */
.layout-quilted.waterfall {
    display: grid;
    /* 动态设置: grid-template-columns, gap, grid-auto-rows */
}

/* Quilted布局的图片容器高度100% */
.layout-quilted .waterfall-item {
    height: 100%;
}

.layout-quilted .waterfall-item img {
    height: 100%;
    object-fit: cover;
}

/* 大图片的标题更大 */
.layout-quilted .waterfall-item[style*="span 2"] .waterfall-item-title {
    font-size: 16px;
    font-weight: 600;
}

/* ==================== Grid网格布局 ==================== */
.layout-grid.waterfall {
    display: grid;
    /* 动态设置: grid-template-columns, gap */
}

/* Grid布局保持宽高比1:1 */
.layout-grid .waterfall-item {
    aspect-ratio: 1;
}

.layout-grid .waterfall-item img {
    height: 100%;
    object-fit: cover;
}

/* ==================== Masonry瀑布流布局 ==================== */
.layout-masonry.waterfall {
    column-count: 4; /* 动态设置 */
    column-gap: 15px; /* 动态设置 */
}

.layout-masonry .waterfall-item {
    break-inside: avoid;
    margin-bottom: 15px; /* 动态设置 */
}

.layout-masonry .waterfall-item img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

/* ==================== 密度设置 ==================== */

/* 紧凑模式 */
.density-compact.layout-quilted {
    gap: 10px;
}

.density-compact.layout-grid {
    gap: 10px;
}

.density-compact.layout-masonry {
    column-gap: 10px;
}

.density-compact .waterfall-item {
    margin-bottom: 10px;
}

.density-compact .waterfall-item-info {
    padding: 10px 12px;
}

.density-compact .waterfall-item-title {
    font-size: 13px;
}

/* 标准模式（默认） */
.density-standard.layout-quilted {
    gap: 15px;
}

.density-standard.layout-grid {
    gap: 15px;
}

.density-standard.layout-masonry {
    column-gap: 15px;
}

.density-standard .waterfall-item {
    margin-bottom: 15px;
}

/* 舒适模式 */
.density-comfortable.layout-quilted {
    gap: 20px;
}

.density-comfortable.layout-grid {
    gap: 20px;
}

.density-comfortable.layout-masonry {
    column-gap: 20px;
}

.density-comfortable .waterfall-item {
    margin-bottom: 20px;
}

.density-comfortable .waterfall-item-info {
    padding: 16px 20px;
}

.density-comfortable .waterfall-item-title {
    font-size: 15px;
    margin-bottom: 8px;
}

/* ==================== 响应式设计 ==================== */

/* 大屏幕（>1400px） */
@media (min-width: 1400px) {
    .container {
        max-width: 1400px;
    }
}

/* 中等屏幕（768px - 1200px） */
@media (max-width: 1200px) {
    .layout-controls {
        flex-direction: column;
        gap: 15px;
    }

    .layout-controls-left,
    .layout-controls-right {
        width: 100%;
        justify-content: center;
    }
}

/* 小屏幕（<768px） */
@media (max-width: 768px) {
    .layout-controls {
        padding: 12px 15px;
    }

    .layout-mode-btn,
    .density-btn {
        padding: 6px 12px;
        font-size: 12px;
    }

    .layout-control-label {
        font-size: 12px;
    }

    .layout-mode-btn svg,
    .density-btn svg {
        width: 14px;
        height: 14px;
    }

    /* 移动端简化显示 */
    .layout-controls-right {
        display: none; /* 移动端隐藏密度控制，节省空间 */
    }
}

/* 超小屏幕（<480px） */
@media (max-width: 480px) {
    .waterfall-item-title {
        font-size: 13px;
    }

    .waterfall-item-meta {
        font-size: 11px;
    }

    .layout-mode-btn span {
        display: none; /* 隐藏文字，只显示图标 */
    }
}

/* ==================== 加载动画优化 ==================== */
.waterfall-item {
    animation: fadeInUp 0.5s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 为不同索引的项目添加延迟，创建波浪效果 */
.waterfall-item:nth-child(1) { animation-delay: 0.05s; }
.waterfall-item:nth-child(2) { animation-delay: 0.10s; }
.waterfall-item:nth-child(3) { animation-delay: 0.15s; }
.waterfall-item:nth-child(4) { animation-delay: 0.20s; }
.waterfall-item:nth-child(5) { animation-delay: 0.25s; }
.waterfall-item:nth-child(6) { animation-delay: 0.30s; }
.waterfall-item:nth-child(n+7) { animation-delay: 0.35s; }

/* ==================== 骨架屏（加载占位符） ==================== */
.waterfall-item.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

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

.waterfall-item.skeleton img {
    opacity: 0;
}

.waterfall-item.skeleton .waterfall-item-info {
    opacity: 0.3;
}

/* ==================== 暗色主题适配 ==================== */
[data-theme="dark"] .layout-controls {
    background: #1f1f1f;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .layout-mode-btn,
[data-theme="dark"] .density-btn {
    background: #2a2a2a;
    border-color: #3a3a3a;
    color: #ccc;
}

[data-theme="dark"] .layout-mode-btn:hover,
[data-theme="dark"] .density-btn:hover {
    border-color: #1890ff;
    color: #1890ff;
}

[data-theme="dark"] .layout-mode-btn.active,
[data-theme="dark"] .density-btn.active {
    background: #1890ff;
    color: #fff;
}

[data-theme="dark"] .waterfall-item {
    background: #1f1f1f;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .waterfall-item-info {
    background: #1f1f1f;
}

[data-theme="dark"] .waterfall-item-title {
    color: #e0e0e0;
}

[data-theme="dark"] .waterfall-item-meta {
    color: #999;
}

/* ==================== 打印样式 ==================== */
@media print {
    .layout-controls {
        display: none;
    }

    .waterfall-item {
        break-inside: avoid;
        page-break-inside: avoid;
    }
}
/**
 * 主题系统 - 支持亮色/暗色模式切换
 */

/* CSS变量定义 */
:root {
    /* 亮色主题 (默认) */
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-tertiary: #fafafa;
    --bg-card: #ffffff;
    --bg-overlay: rgba(0, 0, 0, 0.5);

    --text-primary: #333333;
    --text-secondary: #666666;
    --text-tertiary: #999999;
    --text-inverse: #ffffff;

    --border-color: #e0e0e0;
    --border-light: #f0f0f0;
    --divider: #eeeeee;

    --primary-color: #3498db;
    --primary-hover: #2980b9;
    --primary-light: #ebf5fb;

    --success-color: #27ae60;
    --success-light: #d5f4e6;
    --warning-color: #f39c12;
    --warning-light: #fef5e7;
    --danger-color: #e74c3c;
    --danger-light: #fadbd8;
    --info-color: #3498db;
    --info-light: #d6eaf8;

    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.2);

    --input-bg: #ffffff;
    --input-border: #dcdcdc;
    --input-focus-border: #3498db;

    --skeleton-base: #f0f0f0;
    --skeleton-shine: #e0e0e0;

    --transition-speed: 0.3s;
}

/* 暗色主题 */
[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #242424;
    --bg-card: #252525;
    --bg-overlay: rgba(0, 0, 0, 0.7);

    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-tertiary: #808080;
    --text-inverse: #1a1a1a;

    --border-color: #404040;
    --border-light: #353535;
    --divider: #303030;

    --primary-color: #4da6e0;
    --primary-hover: #5bb3e8;
    --primary-light: #1e3a52;

    --success-color: #2ecc71;
    --success-light: #1e4d2b;
    --warning-color: #f1c40f;
    --warning-light: #4d3f0f;
    --danger-color: #e67e73;
    --danger-light: #4d2c28;
    --info-color: #5dade2;
    --info-light: #1e3a52;

    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.6);

    --input-bg: #2d2d2d;
    --input-border: #404040;
    --input-focus-border: #4da6e0;

    --skeleton-base: #2d2d2d;
    --skeleton-shine: #3d3d3d;
}

/* 自动主题 - 根据系统偏好 */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg-primary: #1a1a1a;
        --bg-secondary: #2d2d2d;
        --bg-tertiary: #242424;
        --bg-card: #252525;
        --bg-overlay: rgba(0, 0, 0, 0.7);

        --text-primary: #e0e0e0;
        --text-secondary: #b0b0b0;
        --text-tertiary: #808080;
        --text-inverse: #1a1a1a;

        --border-color: #404040;
        --border-light: #353535;
        --divider: #303030;

        --primary-color: #4da6e0;
        --primary-hover: #5bb3e8;
        --primary-light: #1e3a52;

        --success-color: #2ecc71;
        --success-light: #1e4d2b;
        --warning-color: #f1c40f;
        --warning-light: #4d3f0f;
        --danger-color: #e67e73;
        --danger-light: #4d2c28;
        --info-color: #5dade2;
        --info-light: #1e3a52;

        --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
        --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.6);

        --input-bg: #2d2d2d;
        --input-border: #404040;
        --input-focus-border: #4da6e0;

        --skeleton-base: #2d2d2d;
        --skeleton-shine: #3d3d3d;
    }
}

/* 主题过渡动画 */
body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color var(--transition-speed) ease,
                color var(--transition-speed) ease;
}

/* 主题切换按钮 */
.theme-toggle {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--bg-card);
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 1000;
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

.theme-toggle svg {
    width: 24px;
    height: 24px;
    fill: var(--text-primary);
    transition: all 0.3s ease;
}

.theme-toggle .icon-sun {
    display: none;
}

.theme-toggle .icon-moon {
    display: block;
}

[data-theme="dark"] .theme-toggle .icon-sun {
    display: block;
}

[data-theme="dark"] .theme-toggle .icon-moon {
    display: none;
}

/* 主题选择器下拉菜单 */
.theme-selector {
    position: fixed;
    bottom: 90px;
    right: 30px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    padding: 8px;
    display: none;
    z-index: 999;
    min-width: 150px;
}

.theme-selector.active {
    display: block;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.theme-option {
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: background-color 0.2s ease;
    color: var(--text-primary);
}

.theme-option:hover {
    background-color: var(--bg-secondary);
}

.theme-option.active {
    background-color: var(--primary-light);
    color: var(--primary-color);
    font-weight: 500;
}

.theme-option svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* 应用主题到各个组件 */

/* 卡片 */
.card,
.photo-card,
.album-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-speed) ease;
}

.card:hover,
.photo-card:hover,
.album-card:hover {
    box-shadow: var(--shadow-md);
}

/* 输入框 */
input,
textarea,
select {
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-primary);
    transition: all var(--transition-speed) ease;
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--input-focus-border);
    outline: none;
}

input::placeholder,
textarea::placeholder {
    color: var(--text-tertiary);
}

/* 按钮 */
.btn-primary {
    background-color: var(--primary-color);
    color: var(--text-inverse);
}

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

.btn-success {
    background-color: var(--success-color);
    color: var(--text-inverse);
}

.btn-warning {
    background-color: var(--warning-color);
    color: var(--text-inverse);
}

.btn-danger {
    background-color: var(--danger-color);
    color: var(--text-inverse);
}

.btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

/* 链接 */
a {
    color: var(--primary-color);
    transition: color var(--transition-speed) ease;
}

a:hover {
    color: var(--primary-hover);
}

/* 分割线 */
hr {
    border-color: var(--divider);
}

/* 模态框 */
.modal,
.overlay {
    background-color: var(--bg-overlay);
}

.modal-content {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
}

/* 导航栏 */
.navbar,
.header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

/* 侧边栏 */
.sidebar {
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
}

/* 下拉菜单 */
.dropdown-menu {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.dropdown-item {
    color: var(--text-primary);
}

.dropdown-item:hover {
    background-color: var(--bg-secondary);
}

/* 表格 */
table {
    background-color: var(--bg-card);
    border-color: var(--border-color);
}

th {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

td {
    color: var(--text-primary);
    border-color: var(--border-light);
}

tr:hover {
    background-color: var(--bg-tertiary);
}

/* 徽章 */
.badge {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.badge-primary {
    background-color: var(--primary-color);
    color: var(--text-inverse);
}

.badge-success {
    background-color: var(--success-color);
    color: var(--text-inverse);
}

.badge-warning {
    background-color: var(--warning-color);
    color: var(--text-inverse);
}

.badge-danger {
    background-color: var(--danger-color);
    color: var(--text-inverse);
}

/* 提示框 */
.alert {
    border: 1px solid var(--border-color);
}

.alert-info {
    background-color: var(--info-light);
    color: var(--info-color);
}

.alert-success {
    background-color: var(--success-light);
    color: var(--success-color);
}

.alert-warning {
    background-color: var(--warning-light);
    color: var(--warning-color);
}

.alert-danger {
    background-color: var(--danger-light);
    color: var(--danger-color);
}

/* 代码块 */
code,
pre {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

/* 骨架屏适配 */
.skeleton {
    background: linear-gradient(90deg, var(--skeleton-base) 25%, var(--skeleton-shine) 50%, var(--skeleton-base) 75%);
}

/* 图片暗色模式优化 */
[data-theme="dark"] img {
    opacity: 0.9;
}

[data-theme="dark"] img:hover {
    opacity: 1;
}

/* 滚动条主题 */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .theme-toggle {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }

    .theme-toggle svg {
        width: 20px;
        height: 20px;
    }

    .theme-selector {
        bottom: 75px;
        right: 20px;
    }
}

/* 打印时使用亮色主题 */
@media print {
    :root {
        --bg-primary: #ffffff;
        --text-primary: #000000;
    }
}

/* 减少动画模式 */
@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        animation: none !important;
    }
}
/**
 * Toast 消息提示样式
 */

/* Toast容器 */
#toast-container {
    position: fixed;
    z-index: 99999;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* 位置样式 */
#toast-container.top-center {
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    align-items: center;
}

#toast-container.top-right {
    top: 20px;
    right: 20px;
    align-items: flex-end;
}

#toast-container.bottom-center {
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    align-items: center;
}

#toast-container.bottom-right {
    bottom: 20px;
    right: 20px;
    align-items: flex-end;
}

/* Toast主体 */
.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 280px;
    max-width: 500px;
    padding: 14px 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    pointer-events: auto;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 14px;
    line-height: 1.5;
    border-left: 4px solid #e0e0e0;
}

/* Toast图标 */
.toast-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: bold;
}

/* Toast消息 */
.toast-message {
    flex: 1;
    color: #333;
    word-break: break-word;
}

/* Toast关闭按钮 */
.toast-close {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: #999;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    padding: 0;
    transition: color 0.2s;
}

.toast-close:hover {
    color: #666;
}

/* Toast类型样式 */
.toast-success {
    border-left-color: #52c41a;
}

.toast-success .toast-icon {
    color: #52c41a;
}

.toast-error {
    border-left-color: #f5222d;
}

.toast-error .toast-icon {
    color: #f5222d;
}

.toast-warning {
    border-left-color: #faad14;
}

.toast-warning .toast-icon {
    color: #faad14;
}

.toast-info {
    border-left-color: #1890ff;
}

.toast-info .toast-icon {
    color: #1890ff;
}

/* 动画效果 */
.toast-enter {
    opacity: 0;
    transform: translateY(-20px);
}

.toast-exit {
    opacity: 0;
    transform: translateY(-20px) scale(0.9);
}

/* 暗色主题支持 */
[data-theme="dark"] .toast {
    background: #2a2a2a;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    border-left-color: #444;
}

[data-theme="dark"] .toast-message {
    color: #e0e0e0;
}

[data-theme="dark"] .toast-close {
    color: #999;
}

[data-theme="dark"] .toast-close:hover {
    color: #ccc;
}

/* 响应式设计 */
@media (max-width: 768px) {
    #toast-container {
        left: 10px !important;
        right: 10px !important;
        transform: none !important;
    }

    #toast-container.top-center,
    #toast-container.bottom-center {
        align-items: stretch;
    }

    .toast {
        min-width: auto;
        width: 100%;
    }
}

/* 加载动画（可选） */
@keyframes toast-loading {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.toast-loading .toast-icon {
    animation: toast-loading 1s linear infinite;
}