/* 引入字体和图标库 */
@import url('https://fastly.jsdelivr.net/npm/@fortawesome/fontawesome-free/css/all.min.css');
@import url('https://fastly.jsdelivr.net/npm/katex@0.13.11/dist/katex.min.css');
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap');

/* 全局变量定义 */
:root {
    --primary-color: #007bff;
    --secondary-color: #0056b3;
    --background-color: #f0f4f7;
    --content-background-color: #fff;
    --text-color: #333;
    --code-background-color: #f8f8f8;
    --inline-code-background-color: #f0f0f0;
    --code-block-background-color: #282c34;
    --code-block-text-color: #abb2bf;
    --blockquote-background-color: #f8f9fa;
    --blockquote-border-color: #007bff;
    --table-border-color: #e0e0e0;
    --time-container-color: #888;
    --pretty-button-background-color: #007bff;
    --pretty-button-hover-background-color: #0056b3;
    --pretty-button-text-color: #fff;
    --link-color: #007bff;
    --link-hover-color: #0056b3;
    --shadow-color: rgba(0, 0, 0, 0.2);
    --transition-time: 0.3s;
}

.dark {
    --primary-color: #61dafb;
    --secondary-color: #4ec9b0;
    --background-color: #1e1e1e;
    --content-background-color: #282c34;
    --text-color: #fff;
    --code-background-color: #333;
    --inline-code-background-color: #444;
    --code-block-background-color: #1e1e1e;
    --code-block-text-color: #d4d4d4;
    --blockquote-background-color: #333;
    --blockquote-border-color: #61dafb;
    --table-border-color: #444;
    --time-container-color: #aaa;
    --pretty-button-background-color: #61dafb;
    --pretty-button-hover-background-color: #4ec9b0;
    --pretty-button-text-color: #000;
    --link-color: #61dafb;
    --link-hover-color: #4ec9b0;
    --heading-text-color: #fff;
    --katex-text-color: #fff;
    --shadow-color: rgba(0, 0, 0, 0.5);
}

/* 全局样式 */
html,
body {
    height: 90%;
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    transition:
        background-color var(--transition-time) ease,
        color var(--transition-time) ease;
    scroll-behavior: smooth;
}

/* 通用间距类 */
.margin-6px {
    margin: 0 6px;
}

.font-size-20px {
    font-size: 20px;
}

.font-size-24px {
    font-size: 24px;
}

.ml-auto {
    margin-left: auto;
}

.mr-auto {
    margin-right: auto;
}

.mlr-auto {
    margin-left: auto;
    margin-right: auto;
}

.display-inline {
    display: inline;
}

.display-flex {
    display: flex;
}

/* 内容容器 */
.content-container {
    padding: 40px;
    max-width: 960px;
    margin: 120px auto 40px;
    background-color: var(--content-background-color);
    min-height: calc(100% - 200px);
    box-shadow: 0 8px 16px var(--shadow-color);
    border-radius: 16px;
    transition: box-shadow var(--transition-time) ease;
}

.content-container:hover {
    box-shadow: 0 12px 24px var(--shadow-color);
}

/* 引用块 */
blockquote {
    border-left: 6px solid var(--blockquote-border-color);
    padding: 15px;
    background-color: var(--blockquote-background-color);
    margin: 20px 0;
    border-radius: 5px;
    box-shadow: 0 4px 5px var(--shadow-color);
    transition: box-shadow var(--transition-time) ease;
}

blockquote:hover {
    box-shadow: 0 6px 12px var(--shadow-color);
}

blockquote p {
    margin: 0;
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-color);
}

/* 图片 */
img {
    vertical-align: bottom;
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 4px 8px var(--shadow-color);
    transition:
        transform var(--transition-time) ease,
        box-shadow var(--transition-time) ease;
}

img:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 12px var(--shadow-color);
}

/* 表格元素 */
table {
    border-collapse: collapse;
}

tbody,
td,
tfoot,
th,
thead,
tr {
    border: 1px solid var(--table-border-color);
    padding: 8px;
}

/* 代码块相关 */
.marked code,
.marked pre {
    font-family:
        SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono',
        'Courier New', monospace;
    background-color: var(--code-background-color);
}

.marked code {
    margin: 0.2em;
    padding: 0.1em 0.2em;
    tab-size: 4;
    -moz-tab-size: 4;
    background-color: var(--inline-code-background-color);
}

.marked pre {
    margin: 0;
    overflow-y: auto;
    color: var(--code-block-text-color);
    border: 1px solid #d0d0d0;
    border-radius: 5px;
}

.marked pre > code {
    font-size: unset;
    margin: 0;
    white-space: pre;
    border: none;
}

.language-tag {
    line-height: 1;
    font-family: monospace;
    color: white;
}

.hljs-ln,
.hljs-ln-numbers,
.hljs-ln-code,
.hljs-ln > tbody,
.hljs-ln > tbody > tr {
    border: none;
}

.hljs-ln-numbers {
    text-align: center;
    border-right: 2px solid #555;
    padding-right: 5px !important;
    color: #888;
}

.hljs-ln-code {
    padding-left: 5px !important;
}

.time-container {
    z-index: -1;
    font-size: 20px;
    position: absolute;
    top: -24px;
    width: 100%;
    color: var(--time-container-color);
    background-color: transparent;
}

/* 链接样式 */
.marked a {
    color: var(--link-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition:
        color var(--transition-time) ease,
        border-bottom-color var(--transition-time) ease;
}

.marked a:hover {
    color: var(--link-hover-color);
    border-bottom-color: var(--link-hover-color);
}

/* 按钮样式 */
.pretty-button {
    background-color: var(--pretty-button-background-color);
    height: 42px;
    color: var(--pretty-button-text-color);
    border: none;
    padding: 12px 24px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
    border-radius: 8px;
    transition:
        background-color 0.3s ease,
        box-shadow 0.3s ease;
    position: absolute;
}

.pretty-button:hover {
    background-color: var(--pretty-button-hover-background-color);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

/* 深色模式下的标题和段落样式 */
.dark h1,
.dark h2,
.dark h3,
.dark h4,
.dark h5,
.dark h6 {
    color: var(--heading-text-color);
}

.dark.katex {
    color: var(--katex-text-color);
}

.dark p {
    color: var(--text-color);
}

/* 代码块头部和复制按钮样式 */
.code-header {
    padding: 5px 5px 5px 10px;
    overflow: auto;
}

.copy-btn {
    float: right;
    border: none;
    background-color: var(--primary-color);
    color: #fff;
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
    transition:
        background-color var(--transition-time) ease,
        transform var(--transition-time) ease;
}

.copy-btn:hover {
    background-color: var(--secondary-color);
    transform: scale(1.05);
}

/* Utterances 评论框样式 */
.utterances {
    position: relative;
    box-sizing: border-box;
    width: 100%;
    max-width: 760px;
    height: auto;
    max-height: 800px;
    margin: 0 auto;
}

.utterances-frame {
    color-scheme: light;
    position: absolute;
    left: 0;
    right: 0;
    width: 1px;
    min-width: 100%;
    max-width: 100%;
    height: 100%;
    border: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .content-container {
        padding: 20px;
        max-width: 100%;
        border-radius: 0;
        margin-top: 80px;
    }

    .blog-header {
        padding: 12px 5%;
    }

    .blog-nav-links-item {
        margin-left: 1em;
    }

    article {
        width: 90%;
    }
}

/* 滚动条样式 */
*::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

*::-webkit-scrollbar-track {
    background-color: #f1f1f1;
}

*::-webkit-scrollbar-thumb {
    background-color: #888;
    border-radius: 10px;
    border: 2px solid #f1f1f1;
}

*::-webkit-scrollbar-thumb:hover {
    background-color: #555;
}

/* 一言样式 */
.hitokoto {
    text-align: center;
    font-style: italic;
    color: var(--text-color);
}

/* 加载动画样式 */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

/* 加载动画 */
.loader::after {
    content: '';
    width: 60px;
    height: 60px;
    border: 6px solid #f3f3f3;
    border-top: 6px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.loader.hidden {
    display: none;
}

/* 标题栏整体样式 */
.blog-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 10%;
    background-color: var(--background-color);
    box-shadow: 0 2px 4px var(--shadow-color);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    transition:
        padding var(--transition-time) ease,
        box-shadow var(--transition-time) ease;
}

.blog-header:hover {
    box-shadow: 0 6px 12px var(--shadow-color);
}

/* 博客标题样式 */
.blog-title {
    margin: 0;
    font-size: 24px;
    color: var(--text-color);
}

/* 导航链接列表样式 */
.blog-nav-links {
    display: flex;
    list-style-type: none;
    margin: 0;
    padding: 0;
}

/* 导航链接项样式 */
.blog-nav-links-item {
    margin-left: 2em;
}

.blog-nav-links-item a {
    color: var(--text-color);
    text-decoration: none;
    transition: color var(--transition-time) ease;
    position: relative;
}

.blog-nav-links-item a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--link-hover-color);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--transition-time) ease;
}

.blog-nav-links-item a:hover {
    color: var(--link-hover-color);
}

.blog-nav-links-item a:hover::after {
    transform: scaleX(1);
}

/* 主题切换按钮样式 */
.theme-toggle-btn {
    position: absolute;
    top: 16px;
    right: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    cursor: pointer;
    transition: all var(--transition-time) ease;
}

.theme-toggle-btn:hover {
    transform: scale(1.1);
    background-color: rgba(59, 130, 246, 0.2);
}

.theme-toggle-btn i {
    font-size: 1.25rem;
}

.dark .theme-toggle-btn {
    background-color: rgba(30, 41, 59, 1);
    color: #fde047;
}

article {
    width: 80%;
    margin: 0 auto;
    margin-top: 90px;
}