/* ============================================================
   md-code-block.css
   ============================================================ */

.md-code-block {
    margin: 1.5em 0;
    border-radius: 6px;
    border: 1px solid #e1e4e8;
    overflow: hidden;
}

/* --- 顶部栏 --- */
.md-code-block .code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2px 12px;
    background: #f8f8f8;
    border-bottom: 1px solid #e8e8e8;
    gap: 8px;
    font-size: 12px;
    line-height: 1;
}

.md-code-block .code-title {
    font-weight: 500;
    font-size: 12px;
    color: #666;
    font-family: system-ui, sans-serif;
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.md-code-block .code-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.md-code-block .code-dots {
    display: none;
}

/* --- 开关按钮样式 --- */
.md-code-block .toggle-btn {
    background: transparent;
    color: #888;
    border: none;
    padding: 2px 6px;
    font-size: 11px;
    cursor: pointer;
    font-family: inherit;
    white-space: nowrap;
    border-radius: 3px;
    transition: background 0.15s, color 0.15s;
}
.md-code-block .toggle-btn:hover {
    background: rgba(0,0,0,0.05);
    color: #333;
}
.md-code-block .toggle-btn.active {
    background: rgba(0,0,0,0.08);
    color: #333;
}

/* --- 代码区（滚动条在这里） --- */
.md-code-block .code-container {
    margin: 0;
    padding: 16px;
    max-height: 80em;
    overflow: auto !important;
    background: #f6f8fa;
    font-family: Consolas, Monaco, 'Liberation Mono', Courier, monospace;
    font-size: 13px;
    line-height: 1.6;
}

.md-code-block pre.code-container {
    margin: 0;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 0;
    white-space: pre;
    overflow: auto !important;
}

.md-code-block pre.code-container code {
    display: block;
    padding: 0;
    background: transparent;
    border: none;
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    white-space: inherit;
    overflow-wrap: normal;
    word-break: normal;
}

/* --- 换行模式 --- */
.md-code-block.wrap-enabled .code-container {
    white-space: pre-wrap !important;
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
}
.md-code-block.wrap-enabled .code-container code {
    white-space: pre-wrap !important;
}

/* --- 行号模式 --- */
.md-code-block.line-numbers .code-container {
    position: relative;
    padding-left: 3.5em !important;
}
.md-code-block.line-numbers .line-numbers-rows {
    position: absolute;
    left: 0;
    top: 0;
    width: 3em;
    padding: 16px 4px 16px 0;
    text-align: right;
    font-size: inherit;
    line-height: inherit;
    color: #999;
    background: rgba(0,0,0,0.03);
    border-right: 1px solid rgba(0,0,0,0.06);
    pointer-events: none;
    user-select: none;
    overflow: hidden;
}
.md-code-block.line-numbers .line-numbers-rows span {
    display: block;
    line-height: inherit;
}

/* ============================================================
   Prism Token 颜色（GitHub 浅色风格）
   ============================================================ */

/* 高优先级切断 Prism 默认色 */
.md-code-block .code-container code[class*="language-"],
.md-code-block .code-container pre[class*="language-"] {
    color: #24292e;
    background: transparent;
    text-shadow: none;
}

.md-code-block .code-container .token.comment,
.md-code-block .code-container .token.prolog,
.md-code-block .code-container .token.doctype,
.md-code-block .code-container .token.cdata {
    color: #6a737d;
}
.md-code-block .code-container .token.punctuation { color: #24292e; }
.md-code-block .code-container .token.property,
.md-code-block .code-container .token.tag,
.md-code-block .code-container .token.boolean,
.md-code-block .code-container .token.number,
.md-code-block .code-container .token.constant,
.md-code-block .code-container .token.symbol {
    color: #005cc5;
}
.md-code-block .code-container .token.selector,
.md-code-block .code-container .token.attr-name,
.md-code-block .code-container .token.string,
.md-code-block .code-container .token.char,
.md-code-block .code-container .token.builtin {
    color: #032f62;
}
.md-code-block .code-container .token.operator,
.md-code-block .code-container .token.entity,
.md-code-block .code-container .token.url {
    color: #d73a49;
}
.md-code-block .code-container .token.atrule,
.md-code-block .code-container .token.attr-value,
.md-code-block .code-container .token.keyword {
    color: #d73a49;
}
.md-code-block .code-container .token.function,
.md-code-block .code-container .token.function-name {
    color: #6f42c1;
}
.md-code-block .code-container .token.regex,
.md-code-block .code-container .token.important {
    color: #e36209;
}
.md-code-block .code-container .token.bold { font-weight: bold; }
.md-code-block .code-container .token.italic { font-style: italic; }
.md-code-block .code-container .token.deleted { color: #b31d28; }
.md-code-block .code-container .token.inserted { color: #22863a; }

/* --- 复制按钮 --- */
.md-code-block .copy-code-btn {
    background: transparent;
    color: #666;
    border: none;
    padding: 2px 6px;
    font-size: 11px;
    cursor: pointer;
    font-family: inherit;
    white-space: nowrap;
    border-radius: 3px;
}
.md-code-block .copy-code-btn:hover { background: rgba(0,0,0,0.05); color: #333; }
.md-code-block .copy-code-btn.copied { color: #22863a; }
.md-code-block .copy-code-btn.failed { color: #cb2431; }

/* --- 折叠按钮 --- */
.md-code-block .collapse-code-btn {
    background: transparent;
    border: none;
    color: #666;
    width: 20px;
    height: 20px;
    cursor: pointer;
    font-size: 14px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 3px;
}
.md-code-block .collapse-code-btn:hover { background: rgba(0,0,0,0.05); color: #333; }

/* ============================================================
   深色模式（GitHub Dark）
   ============================================================ */
@media (prefers-color-scheme: dark) {
    .md-code-block {
        border-color: #30363d;
        background: #161b22;
    }
    .md-code-block .code-container {
        background: #0d1117;
        color: #c9d1d9;
    }
    .md-code-block .code-header {
        background: #21262d;
        border-color: #30363d;
        color: #8b949e;
    }
    .md-code-block .code-title { color: #8b949e; }
    .md-code-block .toggle-btn { color: #8b949e; }
    .md-code-block .toggle-btn:hover { background: rgba(255,255,255,0.08); color: #c9d1d9; }
    .md-code-block .toggle-btn.active { background: rgba(255,255,255,0.12); color: #c9d1d9; }
    .md-code-block .copy-code-btn { color: #8b949e; }
    .md-code-block .copy-code-btn:hover { background: rgba(255,255,255,0.08); color: #c9d1d9; }
    .md-code-block .copy-code-btn.copied { color: #7ee787; }
    .md-code-block .collapse-code-btn { color: #8b949e; }
    .md-code-block .collapse-code-btn:hover { background: rgba(255,255,255,0.08); color: #c9d1d9; }

    /* 行号深色 */
    .md-code-block.line-numbers .line-numbers-rows {
        color: #484f58;
        background: rgba(255,255,255,0.03);
        border-right-color: rgba(255,255,255,0.08);
    }

    /* 深色 Token */
    .md-code-block .code-container code[class*="language-"],
    .md-code-block .code-container pre[class*="language-"] { color: #c9d1d9; }
    .md-code-block .code-container .token.comment,
    .md-code-block .code-container .token.prolog,
    .md-code-block .code-container .token.doctype,
    .md-code-block .code-container .token.cdata { color: #8b949e; }
    .md-code-block .code-container .token.punctuation { color: #c9d1d9; }
    .md-code-block .code-container .token.property,
    .md-code-block .code-container .token.tag,
    .md-code-block .code-container .token.boolean,
    .md-code-block .code-container .token.number,
    .md-code-block .code-container .token.constant,
    .md-code-block .code-container .token.symbol { color: #79c0ff; }
    .md-code-block .code-container .token.selector,
    .md-code-block .code-container .token.attr-name,
    .md-code-block .code-container .token.string,
    .md-code-block .code-container .token.char,
    .md-code-block .code-container .token.builtin { color: #a5d6ff; }
    .md-code-block .code-container .token.operator,
    .md-code-block .code-container .token.entity,
    .md-code-block .code-container .token.url { color: #ff7b72; }
    .md-code-block .code-container .token.atrule,
    .md-code-block .code-container .token.attr-value,
    .md-code-block .code-container .token.keyword { color: #ff7b72; }
    .md-code-block .code-container .token.function,
    .md-code-block .code-container .token.function-name { color: #d2a8ff; }
    .md-code-block .code-container .token.regex,
    .md-code-block .code-container .token.important { color: #ffa657; }
}

/* ============================================================
   移动端
   ============================================================ */
@media (max-width: 768px) {
    .md-code-block .code-container {
        padding: 12px;
        font-size: 12px;
        max-height: 30em;
    }
    .md-code-block .code-header { padding: 4px 10px; }
    .md-code-block .code-controls { gap: 4px; }
    .md-code-block .toggle-btn { padding: 2px 4px; font-size: 10px; }
}

/* ============================================================
   打印
   ============================================================ */
@media print {
    .md-code-block { border: 1px solid #ccc; box-shadow: none; }
    .md-code-block .code-container { max-height: none; overflow: visible; }
    .md-code-block .copy-code-btn,
    .md-code-block .collapse-code-btn,
    .md-code-block .toggle-btn { display: none; }
}