/* ==========================================
   Agent Skills 文档页面高级样式
   Premium Documentation Design
   ========================================== */

/* 文档页面整体布局 */
.docs-page {
    background: var(--bg-secondary);
}

.docs-container {
    display: flex;
    max-width: 1440px;
    margin: 0 auto;
    padding-top: 80px;
    min-height: 100vh;
}

/* ==========================================
   侧边栏 - 玻璃拟态风格
   ========================================== */
.docs-sidebar {
    width: 280px;
    flex-shrink: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    position: sticky;
    top: 80px;
    height: calc(100vh - 80px);
    overflow-y: auto;
}

.sidebar-content {
    padding: 2.5rem 1.75rem;
}

.sidebar-content h3 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    font-weight: 600;
}

.toc ul {
    list-style: none;
}

.toc-link {
    display: block;
    padding: 0.625rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
    border-left: 2px solid transparent;
    margin-left: -1rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.toc-link:hover {
    color: var(--primary-color);
    background: rgba(102, 126, 234, 0.06);
}

.toc-link.active {
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    font-weight: 600;
    background: rgba(102, 126, 234, 0.08);
}

/* ==========================================
   主内容区
   ========================================== */
.docs-main {
    flex: 1;
    padding: 3rem 4rem;
    max-width: 920px;
}

.docs-header {
    margin-bottom: 3.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.docs-header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 120px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
}

.docs-header h1 {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--text-primary) 0%, #4338ca 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.docs-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==========================================
   文档区块
   ========================================== */
.docs-section {
    margin-bottom: 5rem;
    scroll-margin-top: 120px;
}

.docs-section h2 {
    font-size: 1.875rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1.75rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid transparent;
    background: linear-gradient(to bottom, var(--text-primary), var(--text-primary)) padding-box,
                var(--primary-gradient) border-box;
    -webkit-background-clip: text, border-box;
    background-clip: text, border-box;
    letter-spacing: -0.02em;
}

.docs-section h3 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 2.5rem 0 1.25rem;
    letter-spacing: -0.01em;
}

.section-intro {
    color: var(--text-secondary);
    margin-bottom: 1.75rem;
    line-height: 1.85;
    font-size: 1.0625rem;
}

/* ==========================================
   定义框 - 渐变边框
   ========================================== */
.definition-box {
    background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 50%, #e0f2fe 100%);
    border-radius: var(--radius-2xl);
    padding: 2rem 2.5rem;
    margin-bottom: 2.5rem;
    position: relative;
    overflow: hidden;
}

.definition-box::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 5px;
    background: var(--primary-gradient);
}

.definition-box p {
    color: var(--text-primary);
    font-size: 1.125rem;
    margin: 0;
    line-height: 1.8;
}

/* ==========================================
   示例网格 - 悬浮卡片
   ========================================== */
.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.75rem;
    margin-bottom: 2.5rem;
}

.example-card {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.example-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: var(--transition);
}

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

.example-card:hover::before {
    opacity: 1;
}

.example-card h4 {
    color: var(--text-primary);
    margin-bottom: 0.875rem;
    font-size: 1.0625rem;
    font-weight: 700;
}

.example-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 1.25rem;
    line-height: 1.7;
}

.example-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    transition: var(--transition);
}

.example-link:hover {
    gap: 0.625rem;
}

.example-link::after {
    content: '→';
}

/* ==========================================
   参考资料列表 - 精致卡片
   ========================================== */
.references-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.reference-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem 1.5rem;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    text-decoration: none;
    transition: var(--transition);
}

.reference-item:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.ref-icon {
    font-size: 1.5rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #eef2ff, #e0f2fe);
    border-radius: var(--radius-lg);
}

.ref-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.ref-title {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
}

.ref-meta {
    color: var(--text-muted);
    font-size: 0.8125rem;
}

/* ==========================================
   优势卡片 - 编号徽章
   ========================================== */
.advantage-card {
    display: flex;
    gap: 2rem;
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    padding: 2.5rem;
    margin-bottom: 1.75rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: var(--transition);
}

.advantage-card:hover {
    box-shadow: var(--shadow-lg);
}

.advantage-card:hover::before {
    opacity: 1;
}

.advantage-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--primary-gradient);
    color: white;
    font-size: 1.5rem;
    font-weight: 800;
    border-radius: var(--radius-xl);
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.35);
}

.advantage-content h3 {
    margin: 0 0 1rem;
    font-size: 1.375rem;
    font-weight: 700;
}

.advantage-content > p {
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    line-height: 1.8;
}

/* ==========================================
   检查列表 - 图标样式
   ========================================== */
.check-list {
    list-style: none;
}

.check-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.875rem;
    margin-bottom: 0.625rem;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.65;
}

.check {
    font-weight: 700;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    flex-shrink: 0;
    font-size: 0.75rem;
}

.check.green {
    color: #059669;
    background: rgba(16, 185, 129, 0.12);
}

.check.red {
    color: #dc2626;
    background: rgba(239, 68, 68, 0.12);
}

/* ==========================================
   专业知识网格
   ========================================== */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.expertise-item {
    padding: 1.25rem 1.5rem;
    background: linear-gradient(135deg, #f8fafc, #eef2ff);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.expertise-item:hover {
    border-color: var(--primary-light);
}

.expertise-item strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 0.375rem;
    font-size: 0.9375rem;
    font-weight: 600;
}

.expertise-item span {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* ==========================================
   对比网格 - 双色卡片
   ========================================== */
.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.75rem;
    margin-bottom: 2.5rem;
}

.comparison-card {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    padding: 2.5rem;
    border: 2px solid var(--border-color);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.comparison-card:hover {
    box-shadow: var(--shadow-lg);
}

.skills-card {
    border-color: var(--primary-light);
}

.skills-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--primary-gradient);
}

.mcp-card {
    border-color: var(--accent-color);
}

.mcp-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--accent-gradient);
}

.comparison-card h3 {
    margin: 0 0 1.25rem;
    font-size: 1.375rem;
    font-weight: 700;
}

.comparison-focus {
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.feature-list-simple {
    list-style: none;
}

.feature-list-simple li {
    padding: 0.625rem 0;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-list-simple li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: 700;
}

.feature-list-simple li:last-child {
    border-bottom: none;
}

/* ==========================================
   洞察框 - 高亮提示
   ========================================== */
.insight-box {
    display: flex;
    gap: 1.25rem;
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border-radius: var(--radius-2xl);
    padding: 2rem 2.5rem;
    margin-bottom: 2.5rem;
    position: relative;
    overflow: hidden;
}

.insight-box::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 5px;
    background: var(--highlight-gradient);
}

.insight-icon {
    font-size: 2rem;
}

.insight-content strong {
    display: block;
    color: #92400e;
    margin-bottom: 0.625rem;
    font-size: 1.0625rem;
}

.insight-content p {
    color: #78350f;
    margin: 0;
    line-height: 1.75;
}

/* ==========================================
   何时使用网格 - 状态卡片
   ========================================== */
.when-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.75rem;
    margin-bottom: 2.5rem;
}

.when-card {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    padding: 2.5rem;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.when-card:hover {
    box-shadow: var(--shadow-lg);
}

.use-card {
    border-left: 5px solid #10b981;
}

.use-card h3::before {
    content: '✓';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    margin-right: 0.75rem;
}

.skip-card {
    border-left: 5px solid #ef4444;
}

.skip-card h3::before {
    content: '✕';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    margin-right: 0.75rem;
}

.when-card h3 {
    margin: 0 0 1.75rem;
    font-size: 1.125rem;
    display: flex;
    align-items: center;
}

/* ==========================================
   资源网格文档版
   ========================================== */
.resources-grid-docs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.25rem;
}

.resource-card-doc {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem 1.5rem;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    text-decoration: none;
    transition: var(--transition);
}

.resource-card-doc:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.resource-icon {
    font-size: 1.5rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #eef2ff, #e0f2fe);
    border-radius: var(--radius-lg);
}

.resource-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.resource-title {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9375rem;
}

.resource-meta {
    color: var(--text-muted);
    font-size: 0.8125rem;
}

/* ==========================================
   FAQ CTA
   ========================================== */
.faq-cta {
    text-align: center;
    margin: 2.5rem 0;
    padding: 2rem;
    background: linear-gradient(135deg, #f8fafc, #eef2ff);
    border-radius: var(--radius-2xl);
}

/* ==========================================
   文档资源
   ========================================== */
.docs-resources {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-top: 2rem;
}

.doc-resource-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
}

.doc-resource-item:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.doc-icon {
    font-size: 1.5rem;
}

/* ==========================================
   响应式设计
   ========================================== */
@media (max-width: 1024px) {
    .docs-sidebar {
        display: none;
    }
    
    .docs-main {
        padding: 2.5rem 2rem;
    }
}

@media (max-width: 768px) {
    .docs-header h1 {
        font-size: 2.25rem;
    }
    
    .advantage-card {
        flex-direction: column;
        padding: 2rem;
    }
    
    .advantage-number {
        width: 48px;
        height: 48px;
        font-size: 1.25rem;
    }
    
    .expertise-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-grid,
    .when-grid {
        grid-template-columns: 1fr;
    }
    
    .definition-box,
    .insight-box {
        padding: 1.75rem;
    }
}

@media (max-width: 480px) {
    .docs-main {
        padding: 1.5rem 1.25rem;
    }
    
    .docs-section h2 {
        font-size: 1.5rem;
    }
    
    .advantage-card,
    .example-card,
    .when-card,
    .comparison-card {
        padding: 1.75rem;
    }
    
    .docs-header h1 {
        font-size: 1.875rem;
    }
}