/* ============================================
   DarkDocTheme — Docsify 深色主题
   沿用原 "小孙同学" 静态页面外观
   ============================================ */

/* ---------- 全局变量 ---------- */
:root {
    --bg-primary: #21252b;
    --bg-secondary: #282c34;
    --bg-sidebar: #333842;
    --bg-navbar: #21252b;
    --text-primary: #9fb2bf;
    --text-highlight: #e6e6e6;
    --accent: #74b9ff;
    --accent-hover: #8ac4ff;
    --border-color: #181a1f;
    --sidebar-width: 300px;
    --navbar-height: 35px;
    --tag-bg: #2c313a;
}

/* ---------- 基础全局样式 ---------- */
* {
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: "Source Serif Pro", "Noto Serif SC", -apple-system, "SF UI Text",
        "PingFang SC", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
    font-weight: 400;
    scroll-behavior: smooth;
}

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}
::-webkit-scrollbar-thumb {
    border-radius: 10px;
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
    background: #535353;
}
::-webkit-scrollbar-track {
    background: transparent;
}

/* ---------- 链接 ---------- */
a {
    text-decoration: none;
    color: var(--accent);
    transition: all .3s;
}
a:hover {
    color: var(--accent-hover);
    text-decoration: none;
}

/* ---------- 选中颜色 ---------- */
::selection {
    background: var(--accent);
    color: #fff;
}

/* ---------- 顶部导航栏 (Docsify 默认 navbar 改) ---------- */
.app-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    height: var(--navbar-height);
    background-color: var(--bg-navbar);
    padding: 0;
    margin: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    transition: all .5s;
}

.app-nav.no-badge {
    margin-right: 0;
}

.app-nav > ul {
    display: flex;
    align-items: center;
    height: var(--navbar-height);
    padding: 0;
    margin: 0 0 0 50px;
}

.app-nav > ul::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    background: url('../favicon.ico') no-repeat center / contain;
    margin-right: 10px;
}

.app-nav > ul > li {
    height: var(--navbar-height);
    line-height: var(--navbar-height);
    margin: 0;
    padding: 0;
}

.app-nav > ul > li > a {
    display: block;
    padding: 0 14px;
    height: var(--navbar-height);
    line-height: var(--navbar-height);
    color: var(--text-primary);
    font-size: 0.7rem;
    transition: all .3s;
    border: none;
}

.app-nav > ul > li > a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-highlight);
}

/* 导航栏右侧汉堡菜单（小屏） */
.app-nav > ul > li > a::before {
    display: none;
}

/* ---------- 侧边栏 ---------- */
.sidebar {
    background-color: var(--bg-sidebar);
    width: var(--sidebar-width);
    border-right: none;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.15);
    z-index: 5;
    overflow-y: auto;
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}
.sidebar::-webkit-scrollbar-thumb {
    background: #535353;
    border-radius: 2px;
}

/* 侧边栏品牌/标题 */
.sidebar > h1 {
    display: none;
}

/* 侧边栏个人资料区域 */
.sidebar-profile {
    text-align: center;
    padding: 30px 20px 20px;
    border-bottom: 2px solid var(--bg-primary);
    margin-bottom: 15px;
}

.sidebar-profile .sidebar-avatar {
    width: 100px;
    height: 100px;
    margin: 10px auto 20px;
}

.sidebar-profile .sidebar-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    transition: all .3s;
    object-fit: cover;
}

.sidebar-profile .sidebar-avatar img:hover {
    transform: scale(1.1);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.sidebar-profile h3 {
    color: var(--text-highlight);
    font-size: 1.2rem;
    margin-bottom: 15px;
    border-left: 4px solid var(--accent);
    padding-left: 15px;
    text-align: left;
}

.sidebar-profile p {
    color: var(--text-primary);
    font-size: 0.85rem;
    margin-bottom: 8px;
    text-align: left;
    padding-left: 19px;
}

/* 侧边栏导航链接 */
.sidebar-nav {
    padding: 0;
}

.sidebar-nav ul {
    margin: 0;
    padding: 0;
}

.sidebar-nav ul li {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sidebar-nav ul li a {
    display: block;
    padding: 10px 20px 10px 30px;
    color: var(--text-primary);
    font-size: 0.9rem;
    border-left: 3px solid transparent;
    transition: all .3s;
    position: relative;
}

.sidebar-nav ul li a::after {
    content: '';
    display: block;
    width: 0;
    height: 3px;
    background-color: var(--accent);
    transition: all .3s;
    margin-top: 5px;
}

.sidebar-nav ul li a:hover {
    color: var(--text-highlight);
    background: rgba(255, 255, 255, 0.03);
}

.sidebar-nav ul li a:hover::after {
    width: 80%;
}

.sidebar-nav ul li.active > a {
    color: var(--accent);
    border-left-color: var(--accent);
    background: rgba(116, 185, 255, 0.05);
}

/* 侧边栏分组标题 (带 ** 的粗体) */
.sidebar-nav ul li strong {
    display: block;
    padding: 12px 20px 5px 25px;
    color: var(--text-highlight);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ---------- 主内容区 ---------- */
.content {
    background-color: var(--bg-secondary);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow-y: auto;
    padding-top: var(--navbar-height);
}

.content::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}
.content::-webkit-scrollbar-thumb {
    border-radius: 10px;
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
    background: #535353;
}

/* 内容区域自适应边距 */
.markdown-section {
    max-width: 900px;
    margin: 0 auto;
    padding: 50px 60px 80px;
    color: var(--text-primary);
    font-size: 1rem;
    line-height: 1.8;
}

/* ---------- 标题 ---------- */
.markdown-section h1,
.markdown-section h2 {
    border-left: 4px solid var(--accent);
    padding-left: 15px;
    margin: 30px 0 20px;
    color: var(--text-highlight);
    font-weight: 400;
}

.markdown-section h1 {
    font-size: 2rem;
    border-left-width: 5px;
}

.markdown-section h2 {
    font-size: 1.6rem;
}

.markdown-section h3,
.markdown-section h4 {
    color: var(--text-highlight);
    font-weight: 400;
    margin: 25px 0 15px;
}

.markdown-section h3 {
    font-size: 1.3rem;
}

/* ---------- 段落 ---------- */
.markdown-section p {
    color: var(--text-primary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 16px;
    cursor: default;
}

/* ---------- 引用块 ---------- */
.markdown-section blockquote {
    border-left: 4px solid var(--accent);
    background: rgba(116, 185, 255, 0.05);
    padding: 12px 20px;
    margin: 20px 0;
    color: var(--text-primary);
    border-radius: 0 6px 6px 0;
}

.markdown-section blockquote p {
    margin-bottom: 0;
    color: var(--text-primary);
}

/* ---------- 代码 ---------- */
.markdown-section code {
    background-color: var(--tag-bg);
    color: #e6db74;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 0.9em;
}

.markdown-section pre {
    background-color: var(--tag-bg) !important;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
}

.markdown-section pre code {
    background: transparent;
    color: var(--text-primary);
}

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

.markdown-section table thead {
    background: var(--bg-sidebar);
}

.markdown-section table th,
.markdown-section table td {
    border: 1px solid var(--border-color);
    padding: 10px 15px;
    color: var(--text-primary);
}

.markdown-section table th {
    color: var(--text-highlight);
    font-weight: 500;
}

.markdown-section table tbody tr:nth-child(2n) {
    background: rgba(255, 255, 255, 0.02);
}

/* ---------- 任务列表 ---------- */
.markdown-section input[type="checkbox"] {
    accent-color: var(--accent);
}

/* ---------- 水平线 ---------- */
.markdown-section hr {
    border: none;
    height: 1px;
    background: var(--border-color);
    margin: 30px 0;
}

/* ---------- 图片 ---------- */
.markdown-section img {
    max-width: 70%;
    min-width: 300px;
    max-height: 500px;
    border-radius: 10px;
    transition: all .3s;
    cursor: pointer;
    display: block;
    margin: 20px auto;
}

.markdown-section img:hover {
    transform: translateY(-10px);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.5);
}

/* 图片说明（斜体包裹的图片下一行） */
.markdown-section em {
    display: block;
    text-align: center;
    color: var(--text-primary);
    font-style: normal;
    font-size: 0.85rem;
    margin-top: -10px;
    margin-bottom: 20px;
}

.markdown-section em::after {
    content: ' ↑';
}

/* ---------- 按钮链接 ---------- */
.markdown-section a.button,
.markdown-section a[href*="github.com"] {
    display: inline-block;
    padding: 10px 40px;
    background-color: var(--accent);
    color: white;
    border-radius: 20px;
    transition: all .3s;
    margin: 20px 0;
}

.markdown-section a.button:hover,
.markdown-section a[href*="github.com"]:hover {
    transform: scale(1.1);
    box-shadow: 0 0 10px #74d3ff;
    color: white;
    text-decoration: none;
}

/* ---------- 列表 ---------- */
.markdown-section ul,
.markdown-section ol {
    color: var(--text-primary);
    margin: 15px 0;
    padding-left: 30px;
}

.markdown-section li {
    margin-bottom: 8px;
}

/* ---------- 底部版权 ---------- */
.docsify-footer {
    width: 100%;
    height: 25px;
    background-color: var(--bg-primary);
    position: relative;
    font-size: .8rem;
    box-shadow: 0 -10px 10px rgba(0, 0, 0, .1);
    margin-top: 60px;
    clear: both;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    box-sizing: border-box;
}

.docsify-footer p {
    margin: 0;
    line-height: 25px;
    display: inline-block;
    color: var(--text-primary);
}

.docsify-footer p a {
    color: var(--accent);
    transition: all .3s;
}

.docsify-footer p a:hover {
    color: var(--accent-hover);
}

.docsify-footer .right {
    float: right;
}

/* ---------- 恋爱计时 ---------- */
.lovetime {
    text-align: center;
    margin: 40px 0 20px;
    padding: 15px;
    background: rgba(116, 185, 255, 0.08);
    border-radius: 10px;
    border: 1px solid rgba(116, 185, 255, 0.15);
    color: var(--accent);
    font-size: 1rem;
}

/* ---------- 搜索框 ---------- */
.sidebar .search {
    padding: 10px 15px;
    border-bottom: 1px solid var(--bg-primary);
}

.sidebar .search input {
    background: var(--bg-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 8px 15px;
    color: var(--text-primary);
    font-size: 0.85rem;
    outline: none;
    transition: all .3s;
    width: 100%;
    box-sizing: border-box;
}

.sidebar .search input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 5px rgba(116, 185, 255, 0.2);
}

.sidebar .search input::placeholder {
    color: rgba(159, 178, 191, 0.5);
}

.sidebar .search .clear-button {
    color: var(--text-primary);
}

/* ---------- 搜索结果 ---------- */
.sidebar .search .results-panel {
    background: var(--bg-sidebar);
}

.sidebar .search .matching-post {
    border-bottom: 1px solid var(--bg-primary);
}

.sidebar .search .matching-post a {
    color: var(--text-primary);
}

.sidebar .search .matching-post a:hover {
    color: var(--accent);
}

/* ---------- 标签/徽章 ---------- */
.markdown-section .tag {
    display: inline-block;
    background: var(--tag-bg);
    color: var(--accent);
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    margin: 2px;
}

/* ---------- 响应式 ---------- */
@media screen and (max-width: 768px) {
    .sidebar {
        width: 260px;
        transform: translateX(-260px);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .content {
        left: 0 !important;
    }

    .markdown-section {
        padding: 40px 25px 60px;
    }

    .markdown-section img {
        max-width: 100%;
        min-width: auto;
    }

    .app-nav > ul {
        margin-left: 15px;
        flex-wrap: wrap;
    }

    .app-nav > ul > li > a {
        padding: 0 8px;
        font-size: 0.65rem;
    }

    .sidebar-profile {
        padding: 20px 15px 15px;
    }

    .sidebar-profile .sidebar-avatar {
        width: 80px;
        height: 80px;
    }
}

@media screen and (max-width: 1080px) {
    .markdown-section img {
        max-width: 90%;
        min-width: 200px;
    }
}

/* ---------- Docsify 汉堡菜单图标适配 ---------- */
.app-nav .app-nav-rl {
    display: none;
}

/* ---------- 代码复制按钮 ---------- */
.docsify-copy-code-button {
    background: var(--accent) !important;
    color: #fff !important;
    border-radius: 4px !important;
    font-size: 12px !important;
    padding: 4px 12px !important;
    transition: all .3s !important;
}

.docsify-copy-code-button:hover {
    background: var(--accent-hover) !important;
}

/* ---------- 标题锚点 ---------- */
.markdown-section .anchor {
    color: var(--accent);
}