/* 主题变量 */
:root {
    /* 基础颜色 */
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    --color-blue-500: #3B82F6;
    
    /* 平台主题色 */
    --huggingface-primary: #F59E0B; /* 更改为更深的琥珀色，提高在白色背景下的可见度 */
    --huggingface-primary-rgb: 245, 158, 11;
    --huggingface-light: #FEF3C7;
    --huggingface-dark: #92400E;
    
    --github-primary: #58A6FF; /* 更改为更亮的蓝色，提高在暗色背景下的可见度 */
    --github-primary-rgb: 88, 166, 255;
    --github-light: #F6F8FA;
    --github-dark: #0D1117;
    
    --producthunt-primary: #DA552F;
    --producthunt-primary-rgb: 218, 85, 47;
    --producthunt-light: #FED7CC;
    --producthunt-dark: #C05621;
    
    --me-primary: #8B5CF6;
    --me-primary-rgb: 139, 92, 246;
    --me-light: #EDE9FE;
    --me-dark: #5B21B6;
    
    /* 布局变量 */
    --header-height: 64px;
    --sidebar-width: 280px;
    --sidebar-width-tablet: 240px;
    --card-border-radius: 8px;
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --card-min-height: 180px;
    
    /* 当前主题 (默认为 Hugging Face) */
    --current-primary: var(--huggingface-primary);
    --current-primary-rgb: var(--huggingface-primary-rgb);
    --current-light: var(--huggingface-light);
    --current-dark: var(--huggingface-dark);
    
    /* 内容样式变量 */
    --text-secondary: var(--color-gray-600);
    --border-color: var(--color-gray-300);
    --code-bg: var(--color-gray-100);
    --table-header-bg: var(--color-gray-100);
    
    /* 暗色模式变量 */
    --dark-text-secondary: var(--color-gray-400);
    --dark-border-color: var(--color-gray-600);
    --dark-code-bg: var(--color-gray-800);
    --dark-table-header-bg: var(--color-gray-700);
}

/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    color: var(--color-gray-900);
    background-color: var(--color-gray-50);
    line-height: 1.5;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    cursor: pointer;
    background: none;
    border: none;
    font-family: inherit;
}

/* 布局容器 */
.container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.content-wrapper {
    display: flex;
    flex: 1;
}

/* 顶部导航栏 */
.header {
    height: var(--header-height);
    background-color: var(--color-white);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.25rem;
    margin-right: 32px;
}

.logo-icon {
    margin-right: 8px;
    font-size: 1.5rem;
}

.logo-text {
    display: flex;
    align-items: center;
    letter-spacing: -0.5px;
    font-weight: 800;
    font-size: 1.375rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.logo-text:hover {
    transform: scale(1.05);
}

.logo-source {
    color: var(--color-black);
    font-weight: 700;
    transition: color 0.3s ease;
}

.logo-beat {
    color: #FF8C00;
    font-weight: 900;
    background: linear-gradient(45deg, #FF8C00, #FF6B35);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: none;
    filter: drop-shadow(0 1px 2px rgba(255, 140, 0, 0.3));
    transition: all 0.3s ease;
}

.nav-tabs {
    display: flex;
    align-items: center;
    flex: 1;
    height: 100%;
}

.nav-tab {
    display: flex;
    align-items: center;
    padding: 0 16px;
    height: 100%;
    position: relative;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-right: 24px;
}

.nav-tab-icon {
    margin-right: 8px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--color-gray-200);
    display: none; /* 默认隐藏图标 */
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.nav-tab-icon svg {
    width: 18px;
    height: 18px;
    color: var(--color-gray-600);
}

/* 激活状态的圆形背景 */
.nav-tab.active .nav-tab-icon {
    background-color: var(--current-primary);
}

.nav-tab.active .nav-tab-icon svg {
    color: var(--color-white);
}

/* 悬停状态的圆形背景 */
.nav-tab:hover:not(.active) .nav-tab-icon {
    background-color: var(--color-gray-300);
}

.nav-tab:hover:not(.active) .nav-tab-icon svg {
    color: var(--current-primary);
}

.nav-tab-text {
    white-space: nowrap;
    display: block; /* 默认显示文字 */
}

.nav-tab.active {
    color: var(--color-white);
    background-color: var(--current-primary);
}

.nav-tab:hover:not(.active) {
    background-color: var(--color-gray-100);
    color: var(--current-primary);
}

.header-right {
    display: flex;
    align-items: center;
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 16px;
    color: var(--color-gray-600);
    transition: all 0.2s ease;
}

.theme-toggle:hover {
    background-color: var(--color-gray-100);
    color: var(--color-gray-900);
}

/* 左侧边栏 */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--color-gray-50);
    border-right: 1px solid var(--color-gray-200);
    padding: 24px 16px;
    overflow-y: auto;
    height: calc(100vh - var(--header-height));
    position: sticky;
    top: var(--header-height);
}

.sidebar-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-500);
    margin-bottom: 16px;
    padding: 0 8px;
}

.date-list {
    list-style: none;
}

.date-item {
    padding: 8px 12px;
    border-radius: 6px;
    margin-bottom: 4px;
    font-size: 0.875rem;
    color: var(--color-gray-600);
    cursor: pointer;
    transition: all 0.2s ease;
}

.date-item:hover {
    color: var(--color-blue-500);
    background-color: var(--color-gray-100);
}

.date-item.active {
    background-color: var(--current-primary);
    color: var(--color-white);
}

/* 主内容区域 */
.main-content {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

.content-header {
    margin-bottom: 24px;
}

/* 面包屑样式已移除 */

.content-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--current-dark);
}

/* 内容描述样式 */
.content-description {
    margin-bottom: 12px;
}

.description-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background-color: var(--color-gray-100);
    border: 1px solid var(--color-gray-300);
    border-radius: 6px;
    font-size: 0.875rem;
    color: var(--color-gray-700);
    cursor: pointer;
    transition: all 0.2s ease;
}

.description-toggle:hover {
    background-color: var(--color-gray-200);
    border-color: var(--current-primary);
}

.description-toggle-text {
    font-weight: 500;
}

.description-toggle-icon {
    font-size: 0.75rem;
    transition: transform 0.2s ease;
}

.description-toggle.expanded .description-toggle-icon {
    transform: rotate(180deg);
}

.description-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.description-content.expanded {
    max-height: 100px;
    padding-top: 8px;
}

.description-text {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    line-height: 1.5;
    margin: 0;
    padding: 8px 12px;
    background-color: var(--color-gray-50);
    border-radius: 4px;
    border-left: 3px solid var(--current-primary);
}

.content-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.item-count {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

/* 卡片列表 */
.card-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.card {
    background-color: var(--color-white);
    border-radius: var(--card-border-radius);
    box-shadow: var(--card-shadow);
    border: 1px solid var(--current-light);
    overflow: hidden;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
    border-color: var(--current-primary);
}

.card-header {
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--current-light);
    border-left: 4px solid var(--current-primary);
}

.card-title {
    display: flex;
    align-items: center;
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--color-gray-900);
}

.card-title-link {
    color: var(--current-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.card-title-link:hover {
    text-decoration: underline;
    color: var(--current-dark);
}

.card-number {
    margin-right: 10px;
    color: var(--current-primary);
    font-size: 1.125rem;
    font-weight: 800;
    background-color: rgba(var(--current-primary-rgb), 0.1);
    padding: 2px 8px;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.card-stats {
    display: flex;
    align-items: center;
    color: var(--current-primary);
    font-size: 0.875rem;
    font-weight: 500;
}

.card-stats-icon {
    margin-right: 4px;
}

.card-body {
    padding: 16px;
    color: var(--color-gray-800);
    font-size: 0.9375rem;
    border-bottom: 1px solid var(--color-gray-100);
}

.card-actions {
    display: flex;
    padding: 12px 16px;
    gap: 8px;
    flex-wrap: wrap;
}

.card-action-btn {
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.8125rem;
    color: var(--current-primary);
    background-color: var(--color-white);
    border: 1px solid var(--current-primary);
    transition: all 0.2s ease;
    font-weight: 500;
}

.card-action-btn:hover {
    background-color: var(--current-primary);
    color: var(--color-white);
}

.card-url-btn {
    background-color: var(--current-primary);
    color: var(--color-white);
    margin-left: auto;
    display: flex;
    align-items: center;
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: relative;
}

.card-url-btn i {
    margin-right: 5px;
}

.card-url-btn:hover {
    background-color: var(--current-dark);
    transform: translateY(-1px);
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.15);
}

.card-detail {
    padding: 16px;
    background-color: var(--color-gray-50);
    border-top: 1px solid var(--current-light);
    border-left: 4px solid var(--current-primary);
    display: none;
}

.card-detail h3 {
    color: var(--current-primary);
    margin-bottom: 8px;
    font-size: 1.1rem;
    font-weight: 600;
}

.card-detail pre {
    background-color: var(--color-gray-100);
    padding: 12px;
    border-radius: 4px;
    border-left: 3px solid var(--current-primary);
    margin: 8px 0;
    overflow-x: auto;
}

.card-detail.active {
    display: block;
}

/* 加载动画 */
.loader {
    display: none;
    justify-content: center;
    align-items: center;
    padding: 32px 0;
}

.loader.active {
    display: flex;
}

.loader-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--current-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 空状态 */
.empty-state {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 64px 0;
    text-align: center;
}

.empty-state.active {
    display: flex;
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    color: var(--color-gray-400);
}

.empty-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: 8px;
}

.empty-description {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    max-width: 400px;
    margin-bottom: 24px;
}

.empty-action {
    padding: 8px 16px;
    background-color: var(--current-primary);
    color: var(--color-white);
    border-radius: 4px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.empty-action:hover {
    opacity: 0.9;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .sidebar {
        width: var(--sidebar-width-tablet);
    }
}

/* 中等屏幕：只显示图标 */
@media (max-width: 900px) {
    .nav-tab-text {
        display: none;
    }
    
    .nav-tab-icon {
        display: flex;
        margin-right: 0;
    }
    
    .nav-tab {
        padding: 0 16px;
        min-width: 48px;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .content-wrapper {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        top: 0;
        border-right: none;
        border-bottom: 1px solid var(--color-gray-200);
        padding: 16px;
    }
    
    .header {
        padding: 0 16px;
    }
    
    .nav-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    
    .nav-tabs::-webkit-scrollbar {
        display: none;
    }
    
    .nav-tab {
        white-space: nowrap;
        padding: 0 12px;
    }
    
    .logo-text {
        font-size: 1.125rem; /* 移动端减小logo文字大小 */
    }
    
    .search-box {
        display: none;
    }
    
    .main-content {
        padding: 16px;
    }
    
    .content-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 0 12px; /* 进一步减小移动端边距 */
    }
    
    .card-actions {
        flex-direction: column;
        gap: 6px; /* 减小按钮间距 */
    }
    
    .card-action-btn {
        width: 100%;
        text-align: center;
        padding: 8px 12px; /* 增加移动端按钮内边距 */
    }
    
    .logo-text {
        font-size: 1rem; /* 小屏幕进一步减小文字 */
    }
    
    .nav-tab {
        padding: 0 8px; /* 减小导航标签间距 */
        min-width: 40px;
    }
}

/* 主题特定样式 */
.huggingface-theme {
    --current-primary: var(--huggingface-primary);
    --current-primary-rgb: var(--huggingface-primary-rgb);
    --current-light: var(--huggingface-light);
    --current-dark: var(--huggingface-dark);
}

.github-theme {
    --current-primary: var(--github-primary);
    --current-primary-rgb: var(--github-primary-rgb);
    --current-light: var(--github-light);
    --current-dark: var(--github-dark);
}

.producthunt-theme {
    --current-primary: var(--producthunt-primary);
    --current-primary-rgb: var(--producthunt-primary-rgb);
    --current-light: var(--producthunt-light);
    --current-dark: var(--producthunt-dark);
}

.me-theme {
    --current-primary: var(--me-primary);
    --current-primary-rgb: var(--me-primary-rgb);
    --current-light: var(--me-light);
    --current-dark: var(--me-dark);
}

/* 暗色模式 */
.dark-mode {
    color: var(--color-white);
    background-color: var(--color-gray-900);
}

.dark-mode .logo-source {
    color: var(--color-white);
}

.dark-mode .header {
    background-color: var(--color-gray-800);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.dark-mode .sidebar {
    background-color: var(--color-gray-900);
    border-right-color: var(--color-gray-700);
}

.dark-mode .sidebar-title {
    color: var(--color-gray-400); /* 提高暗色模式下的对比度 */
}

.dark-mode .card {
    background-color: var(--color-gray-800);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    border-color: var(--color-gray-700);
}

.dark-mode .card-header {
    border-bottom-color: var(--color-gray-700);
}

.dark-mode .card-title {
    color: var(--color-white);
}

.dark-mode .card-stats {
    color: var(--current-primary);
}

.dark-mode .card-number {
    color: var(--current-primary);
    background-color: rgba(var(--current-primary-rgb), 0.2); /* 增加背景不透明度 */
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.dark-mode .card-action-btn {
    background-color: var(--color-gray-700); /* 改为更深的灰色 */
    border-color: var(--current-primary);
    color: var(--current-primary);
    font-weight: 500;
}

.dark-mode .card-action-btn:hover {
    background-color: var(--current-primary);
    color: var(--color-white);
}

.dark-mode .card-body {
    color: var(--color-gray-200);
}

.dark-mode .card-detail {
    background-color: var(--color-gray-900);
    border-top-color: var(--color-gray-700);
    border-left: 4px solid var(--current-primary);
    color: var(--color-gray-200); /* 添加文字颜色 */
}

.dark-mode .card-detail h3 {
    color: var(--current-primary);
}

.dark-mode .card-detail pre {
    background-color: var(--color-gray-800);
    border-left: 3px solid var(--current-primary);
    color: var(--color-gray-200); /* 确保代码块文字可见 */
}

.dark-mode .date-item:not(.active) {
    color: var(--color-gray-400);
}

.dark-mode .date-item:hover:not(.active) {
    background-color: var(--color-gray-800);
    color: var(--color-gray-200); /* 提高悬停时的对比度 */
}

.dark-mode .item-count {
    color: var(--color-gray-400); /* 提高项目计数的可见性 */
}

.dark-mode .content-title {
    color: var(--color-white); /* 确保标题在暗色模式下可见 */
}

.dark-mode .empty-title {
    color: var(--color-gray-200); /* 提高空状态标题对比度 */
}

.dark-mode .empty-description {
    color: var(--color-gray-400);
}

.dark-mode .nav-tab:hover:not(.active) {
    background-color: var(--color-gray-700);
}

.dark-mode .nav-tab-icon {
    background-color: var(--color-gray-700);
}

.dark-mode .nav-tab-icon svg {
    color: var(--color-gray-400);
}

.dark-mode .nav-tab:hover:not(.active) .nav-tab-icon {
    background-color: var(--color-gray-600);
}

.dark-mode .nav-tab:hover:not(.active) .nav-tab-icon svg {
    color: var(--current-primary);
}

.dark-mode .theme-toggle:hover {
    background-color: var(--color-gray-700);
    color: var(--color-gray-200); /* 提高主题切换按钮对比度 */
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

.card {
    animation: fadeIn 0.3s ease, slideInUp 0.3s ease;
}

.card:nth-child(2) {
    animation-delay: 0.1s;
}

.card:nth-child(3) {
    animation-delay: 0.2s;
}

.card:nth-child(4) {
    animation-delay: 0.3s;
}

.card:nth-child(5) {
    animation-delay: 0.4s;
}

/* 刷新按钮样式已移除 */

/* Markdown 样式 */
.detail-content {
    line-height: 1.6;
    color: var(--text-color);
}

.detail-content h1,
.detail-content h2,
.detail-content h3,
.detail-content h4,
.detail-content h5,
.detail-content h6 {
    margin-top: 1.5em;
    margin-bottom: 0.5em;
    font-weight: 600;
    color: var(--heading-color);
}

.detail-content p {
    margin-bottom: 1em;
}

.detail-content ul,
.detail-content ol {
    margin-bottom: 1em;
    padding-left: 2em;
}

.detail-content li {
    margin-bottom: 0.5em;
}

.detail-content blockquote {
    border-left: 4px solid var(--current-primary);
    padding-left: 1em;
    margin-left: 0;
    color: var(--text-secondary);
    font-style: italic;
}

.detail-content pre {
    background-color: var(--code-bg);
    border-radius: 4px;
    padding: 1em;
    overflow-x: auto;
    margin-bottom: 1em;
}

.detail-content code {
    font-family: 'Courier New', Courier, monospace;
    background-color: var(--code-bg);
    padding: 0.2em 0.4em;
    border-radius: 3px;
    font-size: 0.9em;
}

.detail-content pre code {
    padding: 0;
    background-color: transparent;
}

.detail-content table {
    border-collapse: collapse;
    width: 100%;
    margin-bottom: 1em;
}

.detail-content th,
.detail-content td {
    border: 1px solid var(--border-color);
    padding: 0.5em;
    text-align: left;
}

.detail-content th {
    background-color: var(--table-header-bg);
}

.detail-content img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 1em 0;
}

/* 暗色模式下的调整 */
.dark-mode .detail-content {
    --text-secondary: var(--dark-text-secondary);
    --border-color: var(--dark-border-color);
    --code-bg: var(--dark-code-bg);
    --table-header-bg: var(--dark-table-header-bg);
}

.dark-mode .detail-content code {
    background-color: var(--dark-code-bg);
}

.dark-mode .detail-content pre {
    background-color: var(--dark-code-bg);
}

.dark-mode .detail-content th {
    background-color: var(--dark-table-header-bg);
}

.dark-mode .detail-content td,
.dark-mode .detail-content th {
    border-color: var(--dark-border-color);
}

.dark-mode .detail-content blockquote {
    color: var(--dark-text-secondary);
}

/* 暗色模式下的描述样式 */
.dark-mode .description-toggle {
    background-color: var(--color-gray-800);
    border-color: var(--color-gray-600);
    color: var(--color-gray-300);
}

.dark-mode .description-toggle:hover {
    background-color: var(--color-gray-700);
    border-color: var(--current-primary);
}

.dark-mode .description-text {
    color: var(--color-gray-400);
    background-color: var(--color-gray-800);
}