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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

/* 苹果风格的选择样式 */
::selection {
    background-color: rgba(0, 122, 255, 0.2);
    color: inherit;
}

::-moz-selection {
    background-color: rgba(0, 122, 255, 0.2);
    color: inherit;
}

/* 深色模式媒体查询 */
@media (prefers-color-scheme: dark) {
    :root {
        --primary-color: #0A84FF;
        --secondary-color: #5E5CE6;
        --success-color: #30D158;
        --warning-color: #FF9F0A;
        --error-color: #FF453A;
        --accent-color: #FF375F;
        
        --bg-primary: #1C1C1E;
        --bg-secondary: #2C2C2E;
        --bg-tertiary: #3A3A3C;
        
        --text-primary: #FFFFFF;
        --text-secondary: #EBEBF5;
        --text-tertiary: #8E8E93;
        --text-link: #0A84FF;
        
        --gray-50: #2C2C2E;
        --gray-100: #3A3A3C;
        --gray-200: #48484A;
        --gray-300: #636366;
        --gray-400: #8E8E93;
        --gray-500: #AEAEB2;
        --gray-600: #C7C7CC;
        --gray-700: #D1D1D6;
        --gray-800: #E5E5EA;
        --gray-900: #F2F2F7;
    }
}

:root {
    /* 苹果设计系统颜色 */
    --primary-color: #007AFF; /* 标准苹果蓝色 */
    --secondary-color: #5856D6; /* 苹果紫色 */
    --success-color: #34C759; /* 苹果绿色 */
    --warning-color: #FF9500; /* 苹果橙色 */
    --error-color: #FF3B30; /* 苹果红色 */
    --accent-color: #FF2D92; /* 苹果粉色 */
    
    /* 中性色 */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* 背景色 */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F5F5F7; /* 更符合Apple的浅灰色 */
    --bg-tertiary: #EFEFF4; /* 更新的第三级背景色 */
    
    /* 文字颜色 */
    --text-primary: #1D1D1F; /* Apple标准黑色 */
    --text-secondary: #86868B; /* 次要文本颜色 */
    --text-tertiary: #A1A1A6; /* 第三级文本颜色 */
    --text-link: #0066CC; /* 链接文本颜色 */
    
    /* 阴影 - 苹果风格的精细阴影 */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
    
    /* 圆角 - 更符合Apple的圆角 */
    --radius-sm: 8px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --radius-2xl: 22px;
    
    /* 间距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* 字体 */
    --font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* 过渡效果 - 苹果风格的缓动函数 */
    --transition-fast: 0.15s cubic-bezier(0.4, 0.0, 0.2, 1);
    --transition-medium: 0.25s cubic-bezier(0.4, 0.0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0.0, 0.2, 1);
    --spring-transition: 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-medium);
}

/* 导航栏 - 苹果风格的毛玻璃效果 */
.navbar {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 0.5px solid rgba(0, 0, 0, 0.04);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 12px 0;
    transition: all var(--transition-medium);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

@media (prefers-color-scheme: dark) {
    .navbar {
        background: rgba(28, 28, 30, 0.8);
        border-bottom: 0.5px solid rgba(255, 255, 255, 0.04);
        box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
    }
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: transform var(--transition-fast);
}

.nav-brand:hover {
    transform: translateY(-1px);
}

.github-icon {
    width: 32px;
    height: 32px;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.nav-brand:hover .github-icon {
    color: var(--primary-color);
}

.nav-brand h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    transition: color var(--transition-fast);
}

.nav-brand:hover h1 {
    color: var(--primary-color);
}

.nav-stats {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(0, 122, 255, 0.08);
    padding: 6px 12px;
    border-radius: 20px;
    border: 0.5px solid rgba(0, 122, 255, 0.12);
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.08);
    transition: all var(--spring-transition);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.stats-icon {
    width: 16px;
    height: 16px;
    color: var(--primary-color);
    transition: transform var(--transition-fast);
}

.nav-stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0));
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.nav-stats:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 4px 16px rgba(0, 122, 255, 0.15);
    background: rgba(0, 122, 255, 0.12);
    border-color: rgba(0, 122, 255, 0.2);
}

.nav-stats:hover::before {
    opacity: 1;
}

.stats-count {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    position: relative;
    transition: transform var(--transition-fast), color var(--transition-fast);
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.nav-stats:hover .stats-count {
    animation: pulse 1s infinite;
    color: #0078d7;
}

.nav-stats:hover .stats-icon {
    transform: rotate(15deg);
    color: #0078d7;
}

@media (prefers-color-scheme: dark) {
    .nav-stats {
        background: linear-gradient(135deg, rgba(0, 120, 215, 0.15), rgba(0, 120, 215, 0.25));
        border-color: rgba(0, 120, 215, 0.2);
    }
    
    .nav-stats:hover {
        background: linear-gradient(135deg, rgba(0, 120, 215, 0.2), rgba(0, 120, 215, 0.3));
    }
}

.stats-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
}

/* 主要内容区域 */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

/* 翻译统计区域 */
.translation-stats {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.stats-container {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* 文件上传区域 */
.upload-section {
    margin-bottom: var(--spacing-2xl);
}

.upload-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

.file-upload-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 40px 32px;
    background-color: var(--bg-primary);
    border: 1.5px dashed var(--gray-300);
    border-radius: 16px;
    transition: all var(--spring-transition);
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
}

.file-upload-area:hover, .file-upload-area.dragover {
    border-color: var(--primary-color);
    background-color: rgba(0, 122, 255, 0.03);
    box-shadow: 0 8px 25px rgba(0, 122, 255, 0.1);
    transform: translateY(-4px) scale(1.01);
    border-style: solid;
}

.upload-icon {
    width: 48px;
    height: 48px;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    stroke-width: 1.5;
    transition: transform var(--transition-medium), color var(--transition-medium);
}

.file-upload-area:hover .upload-icon {
    transform: scale(1.05);
    color: var(--accent-color);
}

.upload-text {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    text-align: center;
    transition: color var(--transition-medium);
}

.file-upload-area:hover .upload-text {
    color: var(--text-primary);
}

.upload-button {
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary-color), #0056CC);
    color: white;
    border-radius: 12px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all var(--spring-transition);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.25);
    border: none;
    letter-spacing: -0.01em;
    position: relative;
    overflow: hidden;
}

.upload-button:hover {
    background: linear-gradient(135deg, #0056CC, var(--primary-color));
    box-shadow: 0 6px 20px rgba(0, 122, 255, 0.35);
    transform: translateY(-2px) scale(1.02);
}

.upload-status {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    max-width: 90%;
    min-width: 300px;
    animation: slideDown 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), fadeOut 0.5s ease-out 4.5s forwards;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

@keyframes slideDown {
    from { transform: translateX(-50%) translateY(-20px); opacity: 0; }
    to { transform: translateX(-50%) translateY(0); opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

.status-success {
    background-color: rgba(52, 199, 89, 0.95);
    color: white;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(52, 199, 89, 0.2);
}

.status-error {
    background-color: rgba(255, 59, 48, 0.95);
    color: white;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 59, 48, 0.2);
}

.status-info {
    background-color: rgba(0, 102, 204, 0.95);
    color: white;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(0, 102, 204, 0.2);
}

/* 搜索区域 */
.search-section {
    margin-bottom: var(--spacing-2xl);
}

.search-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    align-items: center;
}

.search-box {
    position: relative;
    width: 100%;
    max-width: 600px;
    transition: all var(--transition-medium);
}

.search-box:focus-within {
    transform: translateY(-2px);
}

.search-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
    transition: color var(--transition-medium);
    pointer-events: none;
}

.search-box:focus-within .search-icon {
    color: var(--primary-color);
}

#searchInput {
    width: 100%;
    padding: 16px 48px 16px 48px;
    border: 1px solid var(--gray-200);
    border-radius: 22px;
    font-size: 16px;
    background: var(--bg-primary);
    transition: all var(--spring-transition);
    outline: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    -webkit-appearance: none;
    appearance: none;
    font-weight: 400;
    letter-spacing: -0.01em;
}

#searchInput:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.1), 0 4px 12px rgba(0, 0, 0, 0.08);
    background-color: white;
    transform: translateY(-1px);
}

.clear-btn {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    border: none;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    opacity: 0.8;
}

.clear-btn:hover {
    background: rgba(255, 59, 48, 0.1);
    color: var(--error-color);
    opacity: 1;
    transform: translateY(-50%) scale(1.05);
}

.clear-btn svg {
    width: 12px;
    height: 12px;
    color: var(--bg-primary);
}

.filter-options {
    display: flex;
    gap: var(--spacing-sm);
    background: var(--bg-primary);
    padding: var(--spacing-xs);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.filter-btn {
    padding: 10px 16px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--spring-transition);
    white-space: nowrap;
    letter-spacing: -0.01em;
}

.filter-btn:hover {
    background: rgba(0, 0, 0, 0.04);
    color: var(--text-primary);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
    transform: translateY(-1px);
}

/* 项目展示区域 */
.projects-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

@media (prefers-color-scheme: dark) {
    .project-card {
        background-color: var(--bg-primary);
        border-color: var(--gray-200);
    }
    
    .project-card:hover {
        border-color: var(--primary-color);
    }
    
    .upload-button {
        background-color: var(--primary-color);
    }
    
    .upload-button:hover {
        background-color: #0A84FF;
    }
    
    .file-upload-area {
        background-color: var(--bg-primary);
        border-color: var(--gray-300);
    }
    
    .file-upload-area:hover, .file-upload-area.dragover {
        background-color: rgba(10, 132, 255, 0.1);
    }
    
    #searchInput {
        background-color: var(--bg-primary);
        border-color: var(--gray-300);
        color: var(--text-primary);
    }
    
    #searchInput:focus {
        background-color: var(--bg-secondary);
    }
}

.project-card {
    background: var(--bg-primary);
    border-radius: 16px;
    padding: 20px 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.06);
    transition: all var(--spring-transition);
    border: 0.5px solid var(--gray-200);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 12px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.project-card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 122, 255, 0.3);
    background-color: rgba(255, 255, 255, 0.8);
    transform: translateY(-4px) scale(1.01);
}

.project-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    width: 100%;
    transition: transform var(--transition-medium);
    margin-bottom: var(--spacing-xs);
}

.project-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.project-card:hover .project-header {
    transform: translateX(2px);
}

.project-title {
    flex: 1;
    margin-right: var(--spacing-md);
}

.project-name {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    display: inline-block;
    transition: all var(--spring-transition);
    letter-spacing: -0.02em;
    position: relative;
    padding-bottom: 2px;
    line-height: 1.3;
}

.project-name:hover {
    color: var(--primary-color);
    transform: translateX(3px);
}

/* 移除下划线效果 */
.project-name::after {
    content: none;
}

.project-name:hover::after {
    width: 0;
}

.translation-badge {
    display: inline-block;
    background: var(--success-color);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 8px;
    vertical-align: middle;
    line-height: 1;
    transition: transform var(--transition-fast);
}

.project-card:hover .translation-badge {
    transform: scale(1.05);
}

.project-name-container {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 2px;
}

.project-owner {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 600;
    transition: all var(--transition-medium);
    position: relative;
    padding-bottom: 1px;
}

.project-separator {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    font-weight: 400;
}

/* 移除下划线效果 */
.project-owner::after {
    content: none;
}

.project-owner:hover::after {
    width: 0;
}

.project-card:hover .project-owner {
    color: var(--primary-color);
    transform: translateX(2px);
}

.star-count {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 600;
    transition: all var(--spring-transition);
    white-space: nowrap;
    background: rgba(255, 193, 7, 0.1);
    padding: 6px 10px;
    border-radius: 12px;
    border: 0.5px solid rgba(255, 193, 7, 0.2);
}

.project-card:hover .star-count {
    transform: translateY(-2px) scale(1.05);
    background: rgba(255, 193, 7, 0.15);
    color: #B8860B;
    border-color: rgba(255, 193, 7, 0.3);
    box-shadow: 0 2px 8px rgba(255, 193, 7, 0.2);
}

.star-icon {
    width: 12px;
    height: 12px;
    color: #f59e0b;
    flex-shrink: 0;
    transition: transform var(--transition-medium);
}

.project-card:hover .star-icon {
    transform: rotate(15deg);
}

.star-date {
    font-size: 0.7rem;
    color: var(--text-tertiary);
    background: var(--gray-100);
    padding: 2px 5px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    transition: all var(--transition-medium);
}

.project-card:hover .star-date {
    background-color: var(--gray-200);
    color: var(--text-secondary);
    transform: translateY(-1px);
}

.project-description {
    width: 100%;
    transition: transform var(--transition-medium);
    padding-left: var(--spacing-sm);
    margin-top: -4px;
}

.project-card:hover .project-description {
    transform: translateX(2px);
}

.description-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--transition-medium);
    margin-bottom: 4px;
}

.project-card:hover .description-text {
    color: var(--text-primary);
}

.project-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    width: 100%;
    transition: background-color var(--transition-medium);
}

.project-card:hover .project-footer {
    background-color: rgba(0, 102, 204, 0.05);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-medium);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.project-link:hover {
    color: var(--secondary-color);
    transform: translateX(2px);
    background-color: rgba(0, 102, 204, 0.1);
}

.project-link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-medium);
}

.project-link:hover svg {
    transform: translateX(2px);
}

/* 加载状态 */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl) 0;
    color: var(--text-secondary);
}

.loading-spinner {
    width: 44px;
    height: 44px;
    border: 3px solid rgba(0, 122, 255, 0.08);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1.2s cubic-bezier(0.4, 0.0, 0.2, 1) infinite;
    margin-bottom: 16px;
    box-shadow: 0 0 20px rgba(0, 122, 255, 0.15);
    position: relative;
}

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

.loading-spinner::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    right: 2px;
    bottom: 2px;
    border-radius: 50%;
    background: conic-gradient(from 0deg, transparent, var(--primary-color));
    mask: radial-gradient(circle at center, transparent 50%, black 50%);
    -webkit-mask: radial-gradient(circle at center, transparent 50%, black 50%);
}

/* 分页控制 */
.pagination-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--gray-200);
    gap: var(--spacing-md);
}

.pagination-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.pagination-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: rgba(0, 0, 0, 0.02);
    border: 0.5px solid var(--gray-200);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--spring-transition);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.pagination-btn:hover {
    background: rgba(0, 122, 255, 0.08);
    border-color: rgba(0, 122, 255, 0.2);
    color: var(--primary-color);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.15);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.pagination-btn svg {
    width: 16px;
    height: 16px;
    stroke-width: 2;
}

.pagination-pages {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.page-number {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 8px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--spring-transition);
}

.page-number:hover {
    background: rgba(0, 122, 255, 0.1);
    color: var(--primary-color);
    transform: scale(1.1);
}

.page-number.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.3);
    transform: scale(1.05);
}

.page-ellipsis {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.page-size-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.page-size-selector label {
    margin-right: var(--spacing-xs);
}

.page-size-selector select {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    background-color: var(--gray-100);
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-medium);
}

.page-size-selector select:hover {
    border-color: var(--gray-300);
    background-color: var(--gray-200);
}

.page-size-selector select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.2);
}

/* 暗色模式下的分页控制 */
@media (prefers-color-scheme: dark) {
    .pagination-container {
        border-top-color: var(--gray-700);
    }
    
    .pagination-btn {
        background-color: var(--gray-800);
        border-color: var(--gray-700);
        color: var(--text-primary-dark);
    }
    
    .pagination-btn:hover {
        background-color: var(--gray-700);
    }
    
    .page-number {
        color: var(--text-primary-dark);
    }
    
    .page-number:hover {
        background-color: var(--gray-700);
    }
    
    .page-number.active {
        background-color: var(--primary-color);
        color: white;
    }
    
    .page-ellipsis {
        color: var(--text-secondary-dark);
    }
    
    .page-size-selector select {
        background-color: var(--gray-800);
        border-color: var(--gray-700);
        color: var(--text-primary-dark);
    }
    
    .page-size-selector select:hover {
        border-color: var(--gray-600);
        background-color: var(--gray-700);
    }
    
    .page-size-selector select:focus {
        border-color: var(--primary-color);
        box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.3);
    }
}

/* 空状态 */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl) 0;
    color: var(--text-secondary);
    text-align: center;
    animation: fadeIn 0.5s ease-out;
}

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

.empty-icon {
    width: 56px;
    height: 56px;
    color: var(--gray-400);
    margin-bottom: 20px;
    stroke-width: 1.2;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) scale(1); opacity: 0.7; }
    50% { transform: translateY(-8px) scale(1.05); opacity: 1; }
}

.empty-state h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.empty-state p {
    font-size: 15px;
    color: var(--text-secondary);
    max-width: 320px;
    line-height: 1.4;
    font-weight: 400;
}

/* 页脚 */
.footer {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-top: 0.5px solid rgba(0, 0, 0, 0.04);
    padding: 24px 0;
    margin-top: 48px;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.04);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.last-updated {
    font-size: 13px;
    color: var(--text-tertiary);
    font-style: italic;
    transition: color var(--transition-medium);
}

.last-updated:hover {
    color: var(--text-secondary);
}

.footer-content p {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--spring-transition);
}

.footer-content p:hover {
    color: var(--primary-color);
    transform: translateY(-1px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-brand h1 {
        font-size: 1.25rem;
    }
    
    .main-content {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .project-card {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
        padding: var(--spacing-md);
    }
    
    .project-header {
        width: 100%;
        min-width: 100%;
        margin-bottom: var(--spacing-sm);
    }
    
    .project-description {
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }
    
    .project-footer {
        width: 100%;
        justify-content: space-between;
    }
    
    .search-container {
        gap: var(--spacing-md);
    }
    
    .filter-options {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .project-header {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .star-date {
        align-self: flex-start;
    }
}

@media (max-width: 480px) {
    .nav-container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .main-content {
        padding: var(--spacing-md);
    }
    
    .project-card {
        padding: var(--spacing-md);
    }
    
    .projects-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #1C1C1E;
        --bg-secondary: #000000;
        --bg-tertiary: #2C2C2E;
        --text-primary: #FFFFFF;
        --text-secondary: #8E8E93;
        --text-tertiary: #636366;
        --gray-200: #38383A;
        --gray-300: #48484A;
        --gray-100: #2C2C2E;
    }
    
    .navbar {
        background: rgba(28, 28, 30, 0.8);
        border-bottom-color: var(--gray-300);
    }
    
    .project-card {
        border-color: var(--gray-300);
    }
    
    .project-card:hover {
        border-color: var(--gray-200);
    }
    
    #searchInput {
        background: var(--bg-tertiary);
        border-color: var(--gray-300);
        color: var(--text-primary);
    }
    
    .filter-options {
        background: var(--bg-tertiary);
    }
    
    .footer {
        background: var(--bg-primary);
        border-top-color: var(--gray-300);
    }
}

/* 移除动画效果 */
.project-card {
    /* 移除动画 */
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}