@import url("https://cdnjs.cloudflare.com/ajax/libs/lxgw-wenkai-screen-webfont/1.7.0/lxgwwenkaiscreenr.css");

/* ============================================================
   ian-blog theme — Stack-inspired (org-publish static site)
   配色 / 变量 / 暗色模式参考 hugo-theme-stack 的 variables.scss
   三栏布局: 左 profile + 中内容 + 右 widget(TOC/分类)
   ============================================================ */

:root {
  /* —— 全局配色（Stack 默认浅色） —— */
  --body-background:        #f5f5fa;
  --accent-color:           #34495e;
  --accent-color-darker:    #2c3e50;
  --accent-color-text:      #ffffff;
  --body-text-color:        #707070;

  /* —— 卡片 —— */
  --card-background:        #ffffff;
  --card-background-selected: #eaeaea;
  --card-text-color-main:   #000000;
  --card-text-color-secondary: #747474;
  --card-text-color-tertiary:  #767676;
  --card-separator-color:   rgba(218, 218, 218, 0.5);
  --card-border-radius:     10px;
  --card-padding:           20px;

  /* —— 文章正文 —— */
  --article-font-family:    "LXGW WenKai Screen R", "LXGW WenKai Screen", -apple-system,
                            BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                            "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC",
                            system-ui, sans-serif;
  --article-font-size:      1.15rem;
  --article-line-height:    1.85;

  /* —— 间距 —— */
  --main-top-padding:       35px;
  --section-separation:     40px;

  /* —— 行内代码 / 代码块 —— */
  --code-background-color:  rgba(0, 0, 0, 0.08);
  --code-text-color:        #808080;
  --pre-background-color:   #f6f6f6;
  --pre-text-color:         #272822;

  /* —— 引用 / 表格 / 边框 —— */
  --blockquote-background-color: rgb(248, 248, 248);
  --table-border-color:     #dadada;
  --tr-even-background-color: #efefee;
  --heading-border-size:    4px;

  /* —— 阴影（Figma 四级） —— */
  --shadow-l1: 0 4px 8px rgba(0, 0, 0, 0.04), 0 0 2px rgba(0, 0, 0, 0.06), 0 0 1px rgba(0, 0, 0, 0.04);
  --shadow-l2: 0 10px 20px rgba(0, 0, 0, 0.04), 0 2px 6px rgba(0, 0, 0, 0.04), 0 0 1px rgba(0, 0, 0, 0.04);
  --shadow-l3: 0 10px 20px rgba(0, 0, 0, 0.04), 0 2px 6px rgba(0, 0, 0, 0.04), 0 0 1px rgba(0, 0, 0, 0.04);
  --shadow-l4: 0 24px 32px rgba(0, 0, 0, 0.04), 0 16px 24px rgba(0, 0, 0, 0.04),
               0 4px 8px rgba(0, 0, 0, 0.04), 0 0 1px rgba(0, 0, 0, 0.04);

  /* —— 标签 —— */
  --tag-border-radius:      4px;

  /* —— 布局宽度 —— */
  --left-col: 260px;
  --right-col: 280px;
  --page-max:  1320px;
}

/* ============================================================
   暗色模式
   ============================================================ */
[data-scheme="dark"] {
  --body-background:        #303030;
  --accent-color:           #ecf0f1;
  --accent-color-darker:    #bdc3c7;
  --accent-color-text:      #000000;
  --body-text-color:        rgba(255, 255, 255, 0.7);

  --card-background:        #424242;
  --card-background-selected: rgba(255, 255, 255, 0.16);
  --card-text-color-main:   rgba(255, 255, 255, 0.9);
  --card-text-color-secondary: rgba(255, 255, 255, 0.7);
  --card-text-color-tertiary:  rgba(255, 255, 255, 0.5);
  --card-separator-color:   rgba(255, 255, 255, 0.12);

  --code-background-color:  #272822;
  --code-text-color:        rgba(255, 255, 255, 0.9);
  --pre-background-color:   #272822;
  --pre-text-color:         #f8f8f2;

  --blockquote-background-color: rgb(75, 75, 75);
  --table-border-color:     #717171;
  --tr-even-background-color: #545454;
  --card-background-selected: rgba(255, 255, 255, 0.16);
}

/* 跟随系统偏好（仅在用户未显式选择时生效） */
@media (prefers-color-scheme: dark) {
  :root:not([data-scheme]) {
    --body-background:        #303030;
    --accent-color:           #ecf0f1;
    --accent-color-darker:    #bdc3c7;
    --accent-color-text:      #000000;
    --body-text-color:        rgba(255, 255, 255, 0.7);
    --card-background:        #424242;
    --card-background-selected: rgba(255, 255, 255, 0.16);
    --card-text-color-main:   rgba(255, 255, 255, 0.9);
    --card-text-color-secondary: rgba(255, 255, 255, 0.7);
    --card-text-color-tertiary:  rgba(255, 255, 255, 0.5);
    --card-separator-color:   rgba(255, 255, 255, 0.12);
    --code-background-color:  #272822;
    --code-text-color:        rgba(255, 255, 255, 0.9);
    --pre-background-color:   #272822;
    --pre-text-color:         #f8f8f2;
    --blockquote-background-color: rgb(75, 75, 75);
    --table-border-color:     #717171;
    --tr-even-background-color: #545454;
  }
}

/* ============================================================
   基础
   ============================================================ */
* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--body-background);
  color: var(--body-text-color);
  font-family: var(--article-font-family);
  line-height: var(--article-line-height);
  font-size: 16px;
  transition: background-color 0.2s ease, color 0.2s ease;

  display: grid;
  grid-template-columns: var(--left-col) minmax(0, 1fr) var(--right-col);
  grid-template-areas:
    "left main right"
    "footer footer footer";
  gap: 0 28px;
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 24px;
  min-height: 100vh;
}

a { color: var(--accent-color); text-decoration: none; }
a:hover { color: var(--accent-color-darker); text-decoration: underline; }

/* ============================================================
   三栏网格定位
   body 直接子元素: #preamble / #content / #postamble
   （#postamble 用 display:contents 拆成右栏 + footer 两个 grid item）
   ============================================================ */
#preamble  { grid-area: left; }
#content, .content { grid-area: main; }
#postamble { display: contents; }
.right-sidebar { grid-area: right; }
#site-footer  { grid-area: footer; }

#content, .content {
  margin: 0;
  max-width: none;   /* 覆盖 org 默认 60em 限制 */
  padding: var(--main-top-padding) 0 72px;
  min-width: 0;   /* 防止 grid/flex 内容溢出 */
}

/* ============================================================
   左栏（profile + 竖排菜单）
   ============================================================ */
#preamble { position: relative; }

.left-sidebar {
  position: sticky;
  top: 24px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding-top: 24px;
}

.site-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-color);
  color: var(--accent-color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.site-name a {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--card-text-color-main);
}
.site-name a:hover { color: var(--accent-color); text-decoration: none; }

.site-description {
  font-size: 1rem;
  color: var(--card-text-color-secondary);
  margin-top: 2px;
}

.sidebar-menu { display: flex; flex-direction: column; }
.sidebar-menu .menu-item {
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--card-text-color-main);
  font-size: 1.1rem;
  transition: background 0.15s ease, color 0.15s ease;
}
.sidebar-menu .menu-item:hover {
  background: var(--card-background-selected);
  color: var(--accent-color);
  text-decoration: none;
}

.sidebar-actions { margin-top: 8px; }

#dark-toggle {
  appearance: none;
  border: 1px solid var(--card-separator-color);
  background: transparent;
  color: var(--card-text-color-main);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, border-color 0.15s ease;
}
#dark-toggle:hover {
  background: var(--card-background-selected);
  border-color: var(--accent-color);
}
#dark-toggle .icon-sun  { display: inline; }
#dark-toggle .icon-moon { display: none; }
[data-scheme="dark"] #dark-toggle .icon-sun  { display: none; }
[data-scheme="dark"] #dark-toggle .icon-moon { display: inline; }

/* ============================================================
   右栏 widget
   ============================================================ */
.right-sidebar {
  position: sticky;
  top: 24px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-top: 24px;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
}

.widget {
  background: var(--card-background);
  border-radius: var(--card-border-radius);
  box-shadow: var(--shadow-l1);
  padding: var(--card-padding);
}

.widget-title {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--card-text-color-main);
}

.widget-list { list-style: none; margin: 0; padding: 0; }
.widget-list li a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--card-text-color-main);
}
.widget-list li a:hover {
  background: var(--card-background-selected);
  text-decoration: none;
  color: var(--accent-color);
}
.count {
  font-size: 0.78rem;
  color: var(--card-text-color-tertiary);
  background: var(--card-background-selected);
  padding: 0 8px;
  border-radius: 10px;
  white-space: nowrap;
}

/* ============================================================
   目录（文章页，由 toc.js 移入）
   ============================================================ */
#toc-container { font-size: 0.9rem; }
.sidebar-toc > h1, .sidebar-toc > h2, .sidebar-toc > h3, .sidebar-toc > h4,
.sidebar-toc > h5, .sidebar-toc > h6 { display: none; }
#toc-container ul { list-style: none; margin: 0; padding-left: 0; }
#toc-container ul ul { padding-left: 14px; }
#toc-container li { margin: 3px 0; }
#toc-container a {
  color: var(--card-text-color-secondary);
  display: block;
  padding: 2px 0;
}
#toc-container a:hover { color: var(--accent-color); text-decoration: none; }

/* ============================================================
   首页标题 + 分类网格 + 分类卡片
   ============================================================ */
#content h1.title {
  text-align: left;
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin: 0 0 8px;
  color: var(--card-text-color-main);
}

#content h1.title + p,
#content .subtitle {
  color: var(--card-text-color-secondary);
  margin-top: 0;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--section-separation);
  margin: 28px 0 0;
}

.category-card {
  display: flex;
  flex-direction: column;
  background: var(--card-background);
  border-radius: var(--card-border-radius);
  box-shadow: var(--shadow-l1);
  overflow: hidden;
}

h2.category-name {
  margin: 0;
  padding: 16px 20px 10px;
  border-bottom: 1px solid var(--card-separator-color);
  color: var(--card-text-color-main);
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}

h2.category-name::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 1.1em;
  border-radius: 2px;
  background: var(--accent-color);
}

.category-list {
  margin: 0;
  padding: 8px 14px 14px;
  list-style: none;
  flex: 1;
}

.category-list li {
  padding: 11px 8px;
  border-bottom: 1px dashed var(--card-separator-color);
  border-radius: 8px;
  transition: background 0.15s ease;
}

.category-list li:last-child { border-bottom: none; }
.category-list li:hover { background: var(--card-background-selected); }

.category-list li a {
  color: var(--card-text-color-main);
  font-weight: 500;
}
.category-list li a:hover { color: var(--accent-color); }

.category-more {
  display: block;
  margin: 0;
  padding: 11px 20px;
  border-top: 1px solid var(--card-separator-color);
  background: var(--blockquote-background-color);
  color: var(--accent-color);
  font-size: 0.9rem;
  text-align: center;
  transition: background 0.15s ease;
}
.category-more:hover {
  background: var(--card-background-selected);
  text-decoration: none;
}

/* ============================================================
   首页文章列表 + 归档（Stack 风格）
   ============================================================ */
.article-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin: 28px 0 0;
}

.article-item {
  background: var(--card-background);
  border-radius: var(--card-border-radius);
  box-shadow: var(--shadow-l1);
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}
.article-item:hover { box-shadow: var(--shadow-l2); }

.article-details { padding: 20px 22px; }

.article-category {
  margin-bottom: 4px;
  font-size: 0.85rem;
}
.article-category a {
  color: var(--accent-color);
  font-weight: 600;
  text-decoration: none;
}
.article-category a:hover { text-decoration: underline; }

#content .article-title {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.4;
  border-left: none;
  padding-left: 0;
}
.article-title a {
  color: var(--card-text-color-main);
  text-decoration: none;
  transition: color 0.2s ease;
}
.article-title a:hover { color: var(--accent-color); }

.article-summary {
  margin-top: 8px;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--card-text-color-secondary);
}

.article-time {
  margin-top: 12px;
  font-size: 0.9rem;
  color: var(--card-text-color-tertiary);
}

.archive-year {
  margin: 36px 0 16px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--card-text-color-main);
  border-left: var(--heading-border-size) solid var(--accent-color);
  padding-left: 12px;
}
.archive-year:first-child { margin-top: 24px; }

/* ============================================================
   文章页排版
   ============================================================ */
#content h1.title { margin-bottom: 6px; }

#content h1, #content h2, #content h3, #content h4 {
  color: var(--card-text-color-main);
}
#content h2 {
  font-size: 1.7rem;
  margin-top: 44px;
  font-weight: 650;
  border-left: var(--heading-border-size) solid var(--accent-color);
  padding-left: 12px;
}
#content h3 { font-size: 1.45rem; margin-top: 32px; }
#content h4 { font-size: 1.2rem; margin-top: 26px; }

#content p {
  margin: 14px 0;
  color: var(--body-text-color);
  font-size: var(--article-font-size);
}

/* ============================================================
   代码块（Stack monokai 风格）
   ============================================================ */
pre {
  background: var(--pre-background-color);
  color: var(--pre-text-color);
  border: none;   /* 覆盖 org 默认浅灰边框 */
  padding: 16px 18px;
  border-radius: 10px;
  overflow-x: auto;
  font-size: 0.88rem;
  line-height: 1.6;
  box-shadow: var(--shadow-l1);
}

code, .verbatim {
  font-family: "JetBrains Mono", "Cascadia Code", Consolas, "Courier New", monospace;
  font-size: 0.9em;
  background: var(--code-background-color);
  color: var(--code-text-color);
  padding: 2px 6px;
  border-radius: 5px;
}

pre code { background: transparent; padding: 0; color: inherit; }

/* ============================================================
   表格
   ============================================================ */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 20px 0;
  background: var(--card-background);
  color: var(--card-text-color-main);
  font-size: 0.95rem;
  box-shadow: var(--shadow-l1);
  border-radius: 10px;
  overflow: hidden;
}

th, td {
  border: 1px solid var(--table-border-color);
  padding: 10px 14px;
  text-align: left;
}

th {
  background: var(--blockquote-background-color);
  color: var(--accent-color);
  font-weight: 600;
}

tbody tr:nth-child(even) { background: var(--tr-even-background-color); }
tbody tr:hover { background: var(--card-background-selected); }

/* ============================================================
   引用
   ============================================================ */
blockquote {
  margin: 20px 0;
  padding: 14px 18px;
  border-left: 4px solid var(--accent-color);
  border-radius: 0 10px 10px 0;
  background: var(--blockquote-background-color);
  color: var(--card-text-color-main);
}

blockquote p { margin: 4px 0; }

/* ============================================================
   TODO 徽章
   ============================================================ */
.done, .todo {
  font-size: 0.8em;
  padding: 2px 8px;
  border-radius: 10px;
  vertical-align: middle;
}
.done { background: #e3f7e8; color: #1f8a44; }
.todo { background: #fdecec; color: #cc3d3d; }
[data-scheme="dark"] .done { background: rgba(46, 160, 67, 0.25); color: #7be087; }
[data-scheme="dark"] .todo { background: rgba(248, 81, 73, 0.25); color: #ff9999; }

/* ============================================================
   搜索页
   ============================================================ */
.search-title { margin-top: 0; color: var(--card-text-color-main); font-size: 1.5rem; }

.search-box input {
  width: 100%;
  padding: 14px 18px;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--card-separator-color);
  border-radius: 12px;
  outline: none;
  background: var(--card-background);
  color: var(--card-text-color-main);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  box-shadow: var(--shadow-l1);
}

.search-box input:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 4px rgba(52, 73, 94, 0.15);
}

.search-status {
  margin: 14px 2px;
  color: var(--card-text-color-secondary);
  font-size: 0.9rem;
}

.search-hit {
  background: var(--card-background);
  border: 1px solid var(--card-separator-color);
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-l1);
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.search-hit:hover {
  transform: translateX(3px);
  border-color: var(--accent-color);
}

.search-hit-title {
  display: block;
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--card-text-color-main) !important;
}
.search-hit-title:hover { color: var(--accent-color) !important; }

.search-hit-snippet {
  margin: 6px 0 2px;
  color: var(--card-text-color-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
}

.search-hit-url {
  margin: 2px 0 0;
  color: var(--card-text-color-tertiary);
  font-size: 0.8rem;
  word-break: break-all;
}

/* ============================================================
   org 导出的杂项
   ============================================================ */
#org-div-home-and-up { font-size: 90%; text-align: right; }
.timestamp { color: var(--card-text-color-tertiary); font-size: 0.9em; }
img { max-width: 100%; border-radius: 8px; }

.todo, .tag {
  font-family: inherit;
}

.tag {
  background: var(--code-background-color);
  color: var(--card-text-color-secondary);
  padding: 2px 8px;
  border-radius: var(--tag-border-radius);
  font-size: 0.8em;
  white-space: nowrap;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1100px) {
  body {
    grid-template-columns: 220px minmax(0, 1fr);
    grid-template-areas:
      "left main"
      "left right"
      "footer footer";
  }
  .right-sidebar { position: static; align-self: stretch; max-height: none; }
}

@media (max-width: 768px) {
  body {
    grid-template-columns: 1fr;
    grid-template-areas:
      "left"
      "main"
      "right"
      "footer";
    gap: 0;
    padding: 0 16px;
  }
  .left-sidebar {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    padding: 16px 0;
  }
  .left-sidebar .site-header { display: flex; align-items: center; gap: 12px; }
  .left-sidebar .site-avatar { width: 40px; height: 40px; font-size: 1.2rem; margin: 0; }
  .left-sidebar .site-description { display: none; }
  .sidebar-menu { flex-direction: row; flex-wrap: wrap; }
  .sidebar-menu .menu-item { padding: 6px 10px; }
  .sidebar-actions { margin-left: auto; }
}

@media (max-width: 640px) {
  body { font-size: 15px; }
  #content h1.title { font-size: 1.6rem; }
  .category-grid { grid-template-columns: 1fr; }
}