/* Glen知识分享 - 暗黑极简风格 */

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-tertiary: #1a1a1a;
    --bg-code: #0d0d0d;
    --text-primary: #e6e6e6;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --border: #2a2a2a;
    --border-light: #333333;
    --accent: #888888;
    --accent-hover: #aaaaaa;
    --link: #b0b0b0;
    --link-hover: #ffffff;
    --code-keyword: #cccccc;
    --code-string: #999999;
    --code-comment: #555555;
    --code-number: #aaaaaa;
    --code-function: #bbbbbb;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 16px;
    min-height: 100vh;
}

/* 滚动条 */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 3px;
}

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

/* 头部导航 */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.logo:hover {
    color: var(--link-hover);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

/* 主容器 */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 2rem 4rem;
    min-height: calc(100vh - 200px);
}

/* 英雄区 */
.hero {
    text-align: center;
    padding: 4rem 0 5rem;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.hero p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* 内容网格 */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

/* 卡片 */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
}

.card:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
}

.card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.card-meta {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* 文章列表 */
.article-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.article-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.25rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    text-decoration: none;
    color: inherit;
    transition: all 0.2s;
}

.article-item:hover {
    border-color: var(--border-light);
    background: var(--bg-tertiary);
}

.article-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
    min-width: 80px;
}

.article-info {
    flex: 1;
}

.article-info h3 {
    font-size: 1rem;
    margin-bottom: 0.3rem;
    color: var(--text-primary);
}

.article-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.article-tag {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-muted);
}

/* 文章页面 */
.article-header {
    text-align: center;
    padding: 2rem 0 3rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 3rem;
}

.article-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.article-meta {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
}

.article-content h2 {
    font-size: 1.5rem;
    margin: 2.5rem 0 1rem;
    color: var(--text-primary);
    font-weight: 600;
}

.article-content h3 {
    font-size: 1.2rem;
    margin: 2rem 0 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.article-content p {
    margin-bottom: 1.25rem;
    color: var(--text-secondary);
}

.article-content ul,
.article-content ol {
    margin: 1rem 0 1.5rem 1.5rem;
    color: var(--text-secondary);
}

.article-content li {
    margin-bottom: 0.5rem;
}

.article-content a {
    color: var(--link);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.article-content a:hover {
    color: var(--link-hover);
}

/* 代码块 */
pre {
    background: var(--bg-code);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1.25rem;
    overflow-x: auto;
    margin: 1.5rem 0;
}

code {
    font-family: 'SF Mono', 'Fira Code', 'JetBrains Mono', Consolas, Monaco, monospace;
    font-size: 0.85rem;
}

pre code {
    color: var(--text-primary);
    line-height: 1.6;
}

:not(pre) > code {
    background: var(--bg-tertiary);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    color: var(--text-primary);
}

/* 代码高亮 - 灰度主题 */
.code-keyword { color: var(--code-keyword); font-weight: bold; }
.code-string { color: var(--code-string); }
.code-comment { color: var(--code-comment); font-style: italic; }
.code-number { color: var(--code-number); }
.code-function { color: var(--code-function); }
.code-type { color: var(--text-primary); font-weight: bold; }
.code-macro { color: var(--code-keyword); }

/* 信息框 */
.info-box {
    background: var(--bg-secondary);
    border-left: 3px solid var(--accent);
    padding: 1.25rem;
    margin: 1.5rem 0;
    border-radius: 0 6px 6px 0;
}

.info-box.note {
    border-left-color: var(--text-secondary);
}

.info-box.warning {
    border-left-color: var(--accent);
}

.info-box.tip {
    border-left-color: var(--border-light);
}

.info-box-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.info-box p {
    margin: 0;
    font-size: 0.9rem;
}

/* 表格 */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.9rem;
}

th, td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-weight: 600;
}

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

/* 图表容器 */
.figure {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    text-align: center;
}

.figure-caption {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 1rem;
}

/* ASCII 图表 */
.ascii-diagram {
    font-family: 'SF Mono', monospace;
    font-size: 0.8rem;
    line-height: 1.4;
    color: var(--text-secondary);
    overflow-x: auto;
    padding: 1rem;
    background: var(--bg-code);
    border-radius: 6px;
}

/* 目录 */
.toc {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 2rem 0;
}

.toc-title {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.toc ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.toc li {
    margin: 0.5rem 0;
}

.toc a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
}

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

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 3rem;
}

.pagination a,
.pagination span {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
}

.pagination a:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.pagination .current {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* 页脚 */
footer {
    border-top: 1px solid var(--border);
    padding: 2rem;
    text-align: center;
}

footer p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* 响应式 */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .article-header h1 {
        font-size: 1.75rem;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .article-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    main {
        padding: 80px 1rem 2rem;
    }
    
    nav {
        padding: 0 1rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
}

/* 打印样式 */
@media print {
    header, footer {
        display: none;
    }
    
    main {
        padding: 0;
    }
    
    body {
        background: white;
        color: black;
    }
}