/* 渐入动画 */
.fade-in { animation: fadeIn 0.5s ease-in-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* 隐藏滚动条 */
.scrollbar-hide::-webkit-scrollbar { display: none; }
.scrollbar-hide { -ms-overflow-style: none; scrollbar-width: none; }

/* =========================================
   文章正文样式 (Markdown Body)
   ========================================= */

.markdown-body p { margin-bottom: 1rem; line-height: 1.75; color: #374151; }
.markdown-body h2 { font-size: 1.5rem; font-weight: bold; margin-top: 2rem; margin-bottom: 1rem; color: #111827; }
.markdown-body h3 { font-size: 1.25rem; font-weight: bold; margin-top: 1.5rem; margin-bottom: 0.75rem; color: #1f2937; }
.markdown-body ul, .markdown-body ol { margin-bottom: 1rem; padding-left: 1.5rem; color: #374151; list-style-type: disc; }
.markdown-body li { margin-bottom: 0.5rem; }
.markdown-body a { color: #2563eb; text-decoration: underline; }
.markdown-body img { max-width: 100%; height: auto; border-radius: 0.5rem; margin: 1rem 0; box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1); }

/* 引用块 */
.markdown-body blockquote { 
    border-left: 4px solid #3b82f6; 
    padding-left: 1rem; 
    color: #4b5563; 
    font-style: italic; 
    background: #f3f4f6; 
    padding: 1rem; 
    border-radius: 0.25rem; 
    margin-bottom: 1rem; 
}

/* 行内代码 `npm install` */
.markdown-body :not(pre) > code { 
    font-family: 'JetBrains Mono', Consolas, monospace;
    background: #f3f4f6; 
    color: #ef4444;       
    padding: 0.2rem 0.4rem; 
    border-radius: 0.25rem; 
    font-size: 0.875em; 
}

/* =========================================
   💻 Mac 窗口风格代码块 (核心修改)
   ========================================= */

/* 1. 代码块容器 */
.markdown-body .highlight {
    background: #282c34;
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
    position: relative;
    padding-top: 36px; /* 留出顶部标题栏 */
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
}

/* ✨ 全屏模式样式 */
.markdown-body .highlight.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 9999;
    border-radius: 0;
    padding-top: 40px;
    margin: 0;
    overflow: auto; /* 允许滚动 */
}

/* 2. 🔴 🟡 🟢 装饰性红绿灯 (左上角) */
.markdown-body .highlight::before {
    content: " ";
    position: absolute;
    top: 12px;
    left: 12px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #fc625d;
    box-shadow: 20px 0 0 #fdbc40, 40px 0 0 #35cd4b;
    z-index: 10;
}

/* 3. 右上角功能按钮组容器 */
.code-controls {
    position: absolute;
    top: 6px;
    right: 10px;
    display: flex;
    gap: 6px; /* 按钮间距 */
    z-index: 20;
}

/* 4. 圆形功能按钮样式 */
.control-btn {
    width: 24px;
    height: 24px;
    border-radius: 50%; /* 圆形 */
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    color: #abb2bf;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.control-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    transform: scale(1.1); /* 鼠标移上去轻微放大 */
}

/* 复制成功时的绿色反馈 */
.control-btn.copied {
    background: #10b981;
    border-color: #10b981;
    color: white;
}

/* 5. 隐藏行号样式 */
.highlight.no-gutter .gutter {
    display: none !important;
}
.highlight.no-gutter .code {
    border-left: none !important;
}

/* 代码表格布局 */
.markdown-body .highlight table { width: 100%; border-spacing: 0; border: none; }
.markdown-body .highlight td { padding: 0; border: none; }

.markdown-body .highlight .gutter {
    color: #4b5263;
    background: #282c34;
    text-align: right;
    padding: 0.5rem 0.8rem;
    border-right: 1px solid #333842;
    user-select: none;
    width: 40px; /* 固定宽度 */
}

.markdown-body .highlight .code {
    padding: 0.5rem 1rem;
    width: 100%;
    background: #282c34;
    color: #abb2bf;
}

.markdown-body .highlight pre {
    margin: 0;
    padding: 0;
    background: transparent;
    color: inherit;
    font-family: 'JetBrains Mono', Consolas, monospace;
    font-size: 0.9em;
    line-height: 1.6;
}

/* =========================================
   🎨 代码高亮配色 (Atom One Dark)
   ========================================= */
.highlight .comment { color: #5c6370; font-style: italic; }
.highlight .keyword, .highlight .selector-tag { color: #c678dd; }
.highlight .string { color: #98c379; }
.highlight .title, .highlight .function { color: #61afef; }
.highlight .variable, .highlight .template-variable { color: #e06c75; }
.highlight .number { color: #d19a66; }
.highlight .tag { color: #e06c75; }
.highlight .attr { color: #d19a66; }

/* =========================================
   深色模式适配
   ========================================= */
.dark .markdown-body p, .dark .markdown-body ul { color: #d1d5db; }
.dark .markdown-body h2, .dark .markdown-body h3 { color: #f3f4f6; }
.dark .markdown-body blockquote { color: #9ca3af; background: #374151; }
.dark .markdown-body :not(pre) > code { background: #374151; color: #fca5a5; }
.dark .markdown-body a { color: #60a5fa; }

/* 按钮状态 */
.filter-btn.active { background-color: #dbeafe; color: #1d4ed8; border-color: transparent; }
.dark .filter-btn.active { background-color: #1e3a8a; color: #bfdbfe; }