/**
 * Markdown 样式 - 社区论坛 v1.0
 */

.markdown {
    overflow-wrap: break-word;
    word-break: break-word;
    line-height: 1.8;
    font-size: 16px;
    color: #333;
}

/* 标题 */
.markdown h1 {
    font-size: 26px;
    font-weight: 700;
    margin: 32px 0 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid #eee;
    color: #1a1a1a;
}

.markdown h2 {
    font-size: 22px;
    font-weight: 700;
    margin: 28px 0 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
    color: #1a1a1a;
}

.markdown h3 {
    font-size: 19px;
    font-weight: 600;
    margin: 24px 0 12px;
    color: #1a1a1a;
}

.markdown h4 {
    font-size: 17px;
    font-weight: 600;
    margin: 20px 0 10px;
    color: #1a1a1a;
}

.markdown h5 {
    font-size: 16px;
    font-weight: 600;
    margin: 16px 0 8px;
    color: #333;
}

.markdown h6 {
    font-size: 15px;
    font-weight: 600;
    margin: 16px 0 8px;
    color: #666;
}

/* 段落 */
.markdown p {
    margin-bottom: 16px;
    line-height: 1.8;
}

/* 强调 */
.markdown strong {
    font-weight: 600;
    color: #1a1a1a;
}

.markdown em {
    font-style: italic;
    color: #555;
}

.markdown del {
    text-decoration: line-through;
    color: #999;
}

/* 链接 */
.markdown a {
    color: #1a73e8;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.2s;
}

.markdown a:hover {
    border-bottom-color: #1a73e8;
}

/* 引用 */
.markdown blockquote {
    margin: 20px 0;
    padding: 16px 20px;
    border-left: 4px solid #1a73e8;
    background: #f8f9fa;
    border-radius: 0 8px 8px 0;
    color: #555;
}

.markdown blockquote p {
    margin-bottom: 8px;
}

.markdown blockquote p:last-child {
    margin-bottom: 0;
}

.markdown blockquote cite {
    display: block;
    margin-top: 8px;
    font-size: 13px;
    color: #999;
}

/* 列表 */
.markdown ul,
.markdown ol {
    padding-left: 2em;
    margin-bottom: 16px;
}

.markdown ul {
    list-style-type: disc;
}

.markdown ol {
    list-style-type: decimal;
}

.markdown li {
    margin-bottom: 8px;
    line-height: 1.7;
}

.markdown li > ul,
.markdown li > ol {
    margin-top: 8px;
    margin-bottom: 0;
}

.markdown li::marker {
    color: #1a73e8;
}

/* 任务列表 */
.markdown .task-list-item {
    list-style: none;
    margin-left: -1.5em;
}

.markdown .task-list-item input[type="checkbox"] {
    margin-right: 8px;
    accent-color: #1a73e8;
}

/* 分割线 */
.markdown hr {
    height: 2px;
    border: none;
    background: linear-gradient(to right, #eee, #ccc, #eee);
    margin: 32px 0;
}

/* 图片 */
.markdown img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 16px 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.markdown figure {
    margin: 20px 0;
    text-align: center;
}

.markdown figcaption {
    font-size: 13px;
    color: #999;
    margin-top: 8px;
    font-style: italic;
}

/* 表格 */
.markdown table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.markdown thead {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.markdown th {
    padding: 12px 16px;
    font-weight: 600;
    text-align: left;
    font-size: 14px;
    border: 1px solid #d0d0d0;
}

.markdown td {
    padding: 12px 16px;
    font-size: 14px;
    border: 1px solid #e0e0e0;
}

.markdown tbody tr:nth-child(even) {
    background: #f8f9fa;
}

.markdown tbody tr:hover {
    background: #e8f0fe;
}

/* 行内代码 */
.markdown code {
    background: #f5f5f5;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 13px;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    color: #c7254e;
    border: 1px solid #e8e8e8;
    word-break: break-all;
}

/* 代码块 */
.markdown pre {
    background: #282c34;
    color: #abb2bf;
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 20px 0;
    line-height: 1.6;
    position: relative;
}

.markdown pre code {
    background: none;
    padding: 0;
    color: inherit;
    font-size: 13px;
    border: none;
    display: block;
    word-break: normal;
    white-space: pre;
}

.markdown pre code {
    background: none;
    padding: 0;
    color: inherit;
    font-size: 13px;
    border: none;
    display: block;
    padding-top: 20px;
}

/* 键盘按键 */
.markdown kbd {
    background: #fafafa;
    border: 1px solid #ddd;
    border-bottom: 2px solid #ccc;
    border-radius: 4px;
    padding: 3px 8px;
    font-size: 13px;
    font-family: inherit;
    box-shadow: 0 1px 0 rgba(0,0,0,0.1);
}

/* 高亮 */
.markdown mark {
    background: linear-gradient(120deg, #fff3cd 0%, #fff3cd 100%);
    padding: 2px 6px;
    border-radius: 3px;
}

/* 定义列表 */
.markdown dl {
    margin-bottom: 16px;
}

.markdown dt {
    font-weight: 600;
    margin-bottom: 8px;
    color: #1a1a1a;
}

.markdown dd {
    margin-left: 2em;
    margin-bottom: 12px;
    color: #555;
}

/* 脚注 */
.markdown .footnote-ref {
    font-size: 12px;
    vertical-align: super;
    color: #1a73e8;
}

.markdown .footnotes {
    margin-top: 32px;
    padding-top: 16px;
    border-top: 1px solid #eee;
    font-size: 14px;
    color: #666;
}

/* 代码高亮主题 - One Dark */
.markdown .hljs {
    background: #282c34;
    color: #abb2bf;
}

.markdown .hljs-keyword,
.markdown .hljs-selector-tag,
.markdown .hljs-built_in {
    color: #c678dd;
}

.markdown .hljs-string,
.markdown .hljs-attr,
.markdown .hljs-template-tag {
    color: #98c379;
}

.markdown .hljs-number,
.markdown .hljs-literal {
    color: #d19a66;
}

.markdown .hljs-comment {
    color: #5c6370;
    font-style: italic;
}

.markdown .hljs-function,
.markdown .hljs-title {
    color: #61afef;
}

.markdown .hljs-class,
.markdown .hljs-type {
    color: #e5c07b;
}

.markdown .hljs-variable,
.markdown .hljs-template-variable {
    color: #e06c75;
}

.markdown .hljs-name,
.markdown .hljs-tag {
    color: #e06c75;
}

.markdown .hljs-attribute {
    color: #d19a66;
}

.markdown .hljs-symbol,
.markdown .hljs-bullet {
    color: #61afef;
}

.markdown .hljs-addition {
    color: #98c379;
    background: rgba(152,195,121,0.1);
}

.markdown .hljs-deletion {
    color: #e06c75;
    background: rgba(224,108,117,0.1);
}

.markdown .hljs-emphasis {
    font-style: italic;
}

.markdown .hljs-strong {
    font-weight: bold;
}

/* 移动端 */
@media (max-width: 768px) {
    .markdown {
        font-size: 15px;
    }
    
    .markdown h1 {
        font-size: 22px;
        margin: 24px 0 12px;
    }
    
    .markdown h2 {
        font-size: 19px;
        margin: 20px 0 10px;
    }
    
    .markdown h3 {
        font-size: 17px;
        margin: 16px 0 8px;
    }
    
    .markdown blockquote {
        padding: 12px 16px;
        margin: 16px 0;
    }
    
    .markdown pre {
        padding: 16px;
        margin: 16px 0;
        border-radius: 6px;
    }
    
    .markdown pre code {
        font-size: 12px;
    }
    
    .markdown table {
        font-size: 13px;
    }
    
    .markdown th,
    .markdown td {
        padding: 8px 12px;
    }
    
    .markdown img {
        margin: 12px 0;
    }
}

@media (max-width: 480px) {
    .markdown h1 {
        font-size: 20px;
    }
    
    .markdown h2 {
        font-size: 17px;
    }
    
    .markdown h3 {
        font-size: 15px;
    }
    
    .markdown pre {
        padding: 12px;
    }
    
    .markdown pre code {
        font-size: 11px;
    }
}

/* HTML嵌入支持 */
.markdown iframe {
    width: 100%;
    min-height: 400px;
    border: 1px solid #eee;
    border-radius: 8px;
    margin: 16px 0;
    background: #fff;
}

.markdown video {
    max-width: 100%;
    border-radius: 8px;
    margin: 16px 0;
}

.markdown audio {
    width: 100%;
    margin: 16px 0;
}

/* 折叠内容 */
.markdown details {
    margin: 16px 0;
    padding: 16px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #eee;
}

.markdown details summary {
    cursor: pointer;
    font-weight: 600;
    color: #1a73e8;
    padding: 8px 0;
}

.markdown details[open] summary {
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid #eee;
}

/* 警告/提示框 */
.markdown .tip,
.markdown .warning,
.markdown .danger,
.markdown .info {
    padding: 16px 20px;
    border-radius: 8px;
    margin: 16px 0;
    border-left: 4px solid;
}

.markdown .tip {
    background: #e8f5e9;
    border-color: #27ae60;
    color: #155724;
}

.markdown .warning {
    background: #fff3cd;
    border-color: #f39c12;
    color: #856404;
}

.markdown .danger {
    background: #f8d7da;
    border-color: #e74c3c;
    color: #721c24;
}

.markdown .info {
    background: #d1ecf1;
    border-color: #17a2b8;
    color: #0c5460;
}

/* 上标下标 */
.markdown sup {
    font-size: 12px;
    vertical-align: super;
}

.markdown sub {
    font-size: 12px;
    vertical-align: sub;
}

/* 缩写 */
.markdown abbr[title] {
    text-decoration: underline dotted;
    cursor: help;
}

/* 数学公式（KaTeX） */
.markdown .katex {
    font-size: 1.1em;
}

.markdown .katex-display {
    margin: 16px 0;
    overflow-x: auto;
}

/* Mermaid图表 */
.markdown .mermaid {
    text-align: center;
    margin: 16px 0;
}

/* 注释 */
.markdown .comment {
    color: #999;
    font-style: italic;
}