/* 代码高亮样式 */
/* GitHub 风格的代码高亮主题 */

/* 基础代码块样式 */
pre, code {
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
}

/* 行内代码样式 */
code {
    background: #f6f8fa;
    padding: 0.2em 0.4em;
    border-radius: 3px;
    font-size: 0.9em;
    color: #e36209;
    border: 1px solid #e1e4e8;
}

/* 代码块样式 */
pre {
    background: #f6f8fa;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5rem 0;
    position: relative;
    border: 1px solid #e1e4e8;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

pre code {
    background: none;
    padding: 0;
    border: none;
    color: #24292e;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* 代码块复制按钮 */
.code-block {
    position: relative;
}

.copy-code-btn {
    position: absolute;
    top: 0.8rem;
    right: 0.8rem;
    background: #ffffff;
    border: 1px solid #e1e4e8;
    border-radius: 4px;
    padding: 0.5rem;
    cursor: pointer;
    opacity: 0;
    transition: all 0.3s ease;
    font-size: 0.8rem;
    color: #586069;
    z-index: 10;
}

.code-block:hover .copy-code-btn {
    opacity: 1;
}

.copy-code-btn:hover {
    background: #f6f8fa;
    color: #24292e;
}

/* 语法高亮颜色 */
.hljs {
    color: #24292e;
    background: #f6f8fa;
}

.hljs-comment,
.hljs-quote {
    color: #6a737d;
    font-style: italic;
}

.hljs-keyword,
.hljs-selector-tag,
.hljs-meta-keyword,
.hljs-doctag,
.hljs-section {
    color: #d73a49;
    font-weight: 600;
}

.hljs-name,
.hljs-type {
    color: #6f42c1;
}

.hljs-string,
.hljs-number,
.hljs-selector-id,
.hljs-selector-class,
.hljs-quote,
.hljs-template-tag,
.hljs-deletion {
    color: #032f62;
}

.hljs-title,
.hljs-section {
    color: #6f42c1;
    font-weight: 600;
}

.hljs-regexp,
.hljs-symbol,
.hljs-variable,
.hljs-template-variable,
.hljs-link,
.hljs-selector-attr,
.hljs-selector-pseudo {
    color: #e36209;
}

.hljs-literal {
    color: #005cc5;
}

.hljs-built_in,
.hljs-bullet,
.hljs-code,
.hljs-addition {
    color: #22863a;
}

.hljs-attr {
    color: #6f42c1;
}

.hljs-meta {
    color: #005cc5;
}

.hljs-meta-string {
    color: #032f62;
}

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

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

/* 特定语言的样式增强 */
.language-javascript .hljs-function,
.language-js .hljs-function {
    color: #6f42c1;
}

.language-css .hljs-selector-tag {
    color: #22863a;
}

.language-css .hljs-attribute {
    color: #d73a49;
}

.language-html .hljs-tag {
    color: #22863a;
}

.language-html .hljs-name {
    color: #6f42c1;
}

.language-python .hljs-function {
    color: #005cc5;
}

.language-python .hljs-keyword {
    color: #d73a49;
}

/* 行号样式（如果启用） */
.hljs-ln-numbers {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    
    text-align: right;
    color: #ccc;
    border-right: 1px solid #CCC;
    vertical-align: top;
    padding-right: 0.5rem;
    margin-right: 0.5rem;
    min-width: 2rem;
}

.hljs-ln-code {
    padding-left: 0.5rem;
}

/* 代码块语言标签 */
pre[data-language]::before {
    content: attr(data-language);
    position: absolute;
    top: 0;
    right: 0;
    background: #e1e4e8;
    color: #586069;
    padding: 0.2rem 0.5rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 600;
    border-radius: 0 8px 0 4px;
}

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

pre::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

pre::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

pre::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* 响应式设计 */
@media (max-width: 768px) {
    pre {
        padding: 1rem;
        margin: 1rem 0;
        border-radius: 6px;
    }
    
    pre code {
        font-size: 0.8rem;
    }
    
    .copy-code-btn {
        top: 0.5rem;
        right: 0.5rem;
        padding: 0.4rem;
        font-size: 0.7rem;
    }
}

/* 暗色模式支持（如果启用） */
@media (prefers-color-scheme: dark) {
    .dark-mode pre {
        background: #161b22;
        border-color: #30363d;
    }
    
    .dark-mode pre code {
        color: #e6edf3;
    }
    
    .dark-mode .hljs {
        color: #e6edf3;
        background: #161b22;
    }
    
    .dark-mode .hljs-comment,
    .dark-mode .hljs-quote {
        color: #8b949e;
    }
    
    .dark-mode .hljs-keyword,
    .dark-mode .hljs-selector-tag {
        color: #ff7b72;
    }
    
    .dark-mode .hljs-string {
        color: #a5d6ff;
    }
    
    .dark-mode .hljs-number {
        color: #79c0ff;
    }
    
    .dark-mode .copy-code-btn {
        background: #21262d;
        border-color: #30363d;
        color: #8b949e;
    }
    
    .dark-mode .copy-code-btn:hover {
        background: #30363d;
        color: #e6edf3;
    }
}

/* 特殊效果 */
.hljs-ln-line.highlighted {
    background-color: #fff5b4;
    display: block;
}

/* 错误高亮 */
.hljs-ln-line.error {
    background-color: #ffeef0;
    border-left: 3px solid #d73a49;
}

/* 成功高亮 */
.hljs-ln-line.success {
    background-color: #f0fff4;
    border-left: 3px solid #28a745;
}

/* 代码差异显示 */
.code-diff .addition {
    background-color: #f0fff4;
    border-left: 3px solid #28a745;
}

.code-diff .deletion {
    background-color: #ffeef0;
    border-left: 3px solid #d73a49;
}

/* 搜索高亮 */
mark {
    background: #ffeb3b;
    color: #000;
    padding: 0.1em 0.2em;
    border-radius: 2px;
}