/* GitHub 仓库链接只显示图标：默认按“图标+文字”预留宽度，改为自适应 */
/* ===== 全站黑白灰配色 ===== */
:root,
[data-md-color-scheme="default"] {
  --md-primary-fg-color: #171717;
  --md-primary-fg-color--light: #404040;
  --md-primary-fg-color--dark: #000;
  --md-primary-bg-color: #fafafa;
  --md-primary-bg-color--light: #fafafab3;
  --md-accent-fg-color: #525252;
  --md-accent-fg-color--transparent: #5252521a;
  --md-typeset-a-color: #171717;
  --md-hue: 225deg;
  --md-code-hl-color: #525252;
  --md-code-hl-color--light: #5252521a;
  --md-code-hl-number-color: #444;
  --md-code-hl-special-color: #444;
  --md-code-hl-function-color: #111;
  --md-code-hl-constant-color: #444;
  --md-code-hl-keyword-color: #111;
  --md-code-hl-string-color: #666;
}
[data-md-color-scheme="slate"] {
  --md-primary-fg-color: #e5e5e5;
  --md-primary-fg-color--light: #b0b0b0;
  --md-primary-fg-color--dark: #fff;
  --md-primary-bg-color: #171717;
  --md-primary-bg-color--light: #171717b3;
  --md-accent-fg-color: #9e9e9e;
  --md-accent-fg-color--transparent: #9e9e9e1a;
  --md-typeset-a-color: #e5e5e5;
  --md-hue: 225deg;
  --md-code-hl-color: #9e9e9e;
  --md-code-hl-color--light: #9e9e9e1a;
  --md-code-hl-number-color: #bbb;
  --md-code-hl-special-color: #bbb;
  --md-code-hl-function-color: #fff;
  --md-code-hl-constant-color: #bbb;
  --md-code-hl-keyword-color: #fff;
  --md-code-hl-string-color: #888;
}
/* 社交图标：保留各平台自身的彩色标志，不添加外层圆形。 */
[data-md-color-scheme="slate"] .home-socials img {
  filter: none;
}

/* 页脚仅保留并居中显示版权与构建信息。 */
.md-footer-meta__inner {
  justify-content: center;
  text-align: center;
}

.md-footer-meta__inner .md-copyright {
  margin: 0;
}

.md-footer-meta__inner .md-social {
  display: none;
}

@media screen {
  .md-header__source {
    width: auto;
    max-width: none;
  }
  /* 仓库图标尺寸与头部其他 Lucide 图标保持一致。 */
  .md-header .md-source__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2.4rem;
  }
  .md-header .md-source__icon svg {
    width: 1.3rem;
    height: 1.3rem;
    margin: auto;
  }
  /* 头部图标统一尺寸 */
  .md-header .md-icon svg {
    width: 1.3rem;
    height: 1.3rem;
  }
  /* Logo 保持在头部的可用高度内，避免中等和移动端挤压导航。 */
  .md-logo img {
    width: 2rem;
    height: 2rem;
    max-width: 2rem;
  }
  .md-header__button.md-logo {
    margin: 0;
    padding: 0.2rem;
  }
  /* 网站名与导航标签 */
  .md-header__title {
    font-size: 1rem;
    line-height: 2.4rem;
  }
  /* 保持标签在窄桌面宽度也能单行显示。 */
  .md-tabs__link {
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
  }
  /* 主页 hero：左右结构（左头像，右信息） */
  .md-content__inner:has(.home-hero) > h1:first-child {
    display: none;
  }
  /* 主页两栏：左个人信息/日历，右最新文章 */
  .home-grid {
    display: grid;
    grid-template-columns: clamp(15rem, 16vw, 16rem) minmax(0, 1fr);
    gap: 2rem;
    align-items: start;
    margin: 0 auto;
  }
  .home-left,
  .home-right {
    min-width: 0;
  }
  @media (max-width: 76.25em) {
    .home-grid {
      grid-template-columns: 1fr;
    }
    .home-grid .home-left {
      position: static;
    }
  }
  .home-right h2 {
    margin-top: 0.4rem;
  }
  .home-left {
    display: grid;
    width: 100%;
    max-width: 16rem;
    margin: 0 auto;
    gap: 1.5rem;
    position: sticky;
    top: clamp(6rem, 14vh, 9rem);
    align-self: start;
  }
  /* 博客页左栏：固定在视口内，目录过长时出现内部滚动条 */
  .blog-grid .home-left {
    position: sticky;
    top: clamp(6rem, 14vh, 9rem);
    align-self: start;
    max-height: calc(100vh - clamp(6rem, 14vh, 9rem) - 1.5rem);
    overflow-y: auto;
    scrollbar-width: thin;
  }
  /* 目录：年份与列表间距收紧，链接去下划线 */
  .blog-grid .home-left h3 {
    margin: 0.5rem 0 0.15rem;
  }
  .blog-grid .home-left a {
    text-decoration: none;
  }
  .blog-grid .home-left ul,
  .blog-grid .home-left li {
    list-style: none;
  }
  .blog-grid .home-left li::before {
    content: none;
  }
  .home-profile-card,
  .home-tags-card {
    padding: 1.25rem 1rem;
    border: 1px solid var(--md-primary-fg-color);
    border-radius: 0.35rem;
    background: var(--md-primary-bg-color);
    text-align: center;
  }
  .home-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    padding: 0;
    text-align: center;
  }
  .home-avatar {
    flex: 0 0 auto;
    width: 120px;
    height: 120px;
    border: 1px solid #171717;
    border-radius: 50%;
  }
  .home-info {
    width: 100%;
  }
  .home-name {
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.2;
  }
  .home-divider {
    width: 70%;
    margin: 0.55rem auto;
    border-top: 1px dashed currentColor;
    opacity: 0.35;
  }
  .home-tagline {
    margin: 0;
    font-weight: 600;
    opacity: 0.75;
  }
  .home-motto {
    opacity: 0.6;
    font-size: 0.85rem;
    margin-bottom: 0.4rem;
  }
  .home-socials {
    display: flex;
    justify-content: center;
    gap: 0.45rem;
    margin: 0.8rem 0 0;
  }
  .home-socials a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: auto;
    height: auto;
    margin: 0;
    border: 0;
    transition: opacity 0.2s, transform 0.2s;
  }
  .home-socials a:nth-child(2) {
    filter: invert(35%) sepia(86%) saturate(1261%) hue-rotate(183deg) brightness(86%) contrast(94%);
  }
  .home-socials a:nth-child(3) {
    filter: invert(43%) sepia(93%) saturate(2906%) hue-rotate(194deg) brightness(102%) contrast(101%);
  }
  .home-socials a:nth-child(4) {
    filter: none;
  }
  .home-socials a:nth-child(5) {
    filter: none;
  }
  .home-socials a:hover {
    opacity: 0.7;
    transform: translateY(-1px);
  }
  .home-socials img {
    width: 1.15rem;
    height: 1.15rem;
    filter: none;
  }
  .home-stats {
    display: flex;
    gap: 1.6rem;
  }
  .home-stat {
    text-align: center;
    color: inherit;
  }
  .home-stat strong {
    display: block;
    font-size: 1.4rem;
    line-height: 1.2;
  }
  .home-stat span {
    font-size: 0.75rem;
    opacity: 0.7;
  }
  .home-chips {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin: 1rem 0 0;
  }
  .home-chip {
    border: 1px solid var(--md-primary-fg-color);
    border-radius: 999px;
    padding: 0.15rem 0.9rem;
    font-size: 0.8rem;
    color: var(--md-primary-fg-color);
    transition: background-color 0.2s, color 0.2s;
  }
  .home-chip:hover {
    background-color: var(--md-primary-fg-color);
    color: var(--md-primary-bg-color);
  }
  .home-tags-title {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
  }
  .home-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.9rem;
  }
  .home-tags a {
    padding: 0.2rem 0.55rem;
    border: 1px solid currentColor;
    border-radius: 999px;
    font-size: 0.72rem;
    color: inherit;
    transition: background-color 0.2s, color 0.2s;
  }
  .home-tags a:hover {
    color: var(--md-primary-bg-color);
    background: var(--md-primary-fg-color);
  }
}

@media screen and (max-width: 76.234375em) {
  .md-logo img {
    width: 1.6rem;
    height: 1.6rem;
    max-width: 1.6rem;
  }

  .md-header__title {
    font-size: 0.9rem;
  }
}

/* 侧栏层级差异化样式 */
.md-nav[data-md-level="1"] > .md-nav__list > .md-nav__item > .md-nav__link {
  font-weight: 600;
  font-size: 0.8rem;
}
.md-nav[data-md-level="2"] > .md-nav__list > .md-nav__item > .md-nav__link {
  font-weight: 500;
  font-size: 0.75rem;
}
.md-nav[data-md-level="3"] > .md-nav__list > .md-nav__item > .md-nav__link {
  font-weight: 400;
  font-size: 0.7rem;
  opacity: 0.85;
}

/* 左侧目录整体折叠开关（圆形按钮嵌在目录与文章的分界线上） */
#__nav-toggle,
#__tag-toggle {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
  pointer-events: none;
  display: none;
}
.md-nav-toggle {
  display: none;
}
@media screen and (min-width: 76.25em) {
  .md-nav-toggle {
    position: fixed;
    top: 50vh;
    left: calc(50vw - 30.5rem + 12.1rem);
    z-index: 6;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.7rem;
    height: 1.7rem;
    border-radius: 50%;
    border: 1px solid var(--md-default-fg-color--lightest);
    background: var(--md-default-bg-color);
    box-shadow: var(--md-shadow-z1);
    cursor: pointer;
    opacity: 0.65;
    transform: translate(-50%, -50%);
    transition: opacity 0.2s, left 0.2s;
  }
  .md-nav-toggle:hover {
    opacity: 1;
  }
  .md-nav-toggle svg {
    width: 0.9rem;
    height: 0.9rem;
  }
  /* 收起状态：侧栏缩成细条，按钮随分界线移动，图标水平翻转 */
  body:has(#__nav-toggle:not(:checked)) .md-sidebar--primary {
    width: 2.6rem;
    min-width: 2.6rem;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }
  body:has(#__nav-toggle:not(:checked)) .md-sidebar--primary .md-nav {
    display: none;
  }
  body:has(#__nav-toggle:not(:checked)) .md-nav-toggle {
    left: calc(50vw - 30.5rem + 2.6rem);
  }
  body:has(#__nav-toggle:not(:checked)) .md-nav-toggle svg {
    transform: rotate(180deg);
  }
}

/* 标签阅读器：目录高亮与阅读区 */
.md-content__inner:has(.tag-dir) > h1:first-child {
  display: none;
}
/* 标签页左栏宽度与间距对齐博客侧栏（12.1rem） */
.blog-grid {
  grid-template-columns: 10rem minmax(0, 1fr);
}
.blog-grid .home-left {
  max-width: 10rem;
}

/* 标签页左侧目录折叠 */
@media screen and (min-width: 76.25em) {
  .blog-grid .md-nav-toggle {
    left: calc(50vw - 30.5rem + 10rem);
  }
  body:has(#__tag-toggle:not(:checked)) .blog-grid {
    grid-template-columns: 2.6rem minmax(0, 1fr);
  }
  body:has(#__tag-toggle:not(:checked)) .blog-grid .home-left {
    max-width: 2.6rem;
    overflow: visible;
  }
  body:has(#__tag-toggle:not(:checked)) .blog-grid .home-left h2,
  body:has(#__tag-toggle:not(:checked)) .blog-grid .tag-dir {
    display: none;
  }
  body:has(#__tag-toggle:not(:checked)) .blog-grid .md-nav-toggle {
    left: calc(50vw - 30.5rem + 2.6rem);
  }
  body:has(#__tag-toggle:not(:checked)) .blog-grid .md-nav-toggle svg {
    transform: rotate(180deg);
  }
}
.blog-grid .tag-dir-link {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
  text-align: left;
}
.blog-grid .tag-dir-link.active {
  font-weight: 700;
}
.tag-article-view {
  min-height: 30rem;
}
/* 标签阅读器右栏：文章 + 右侧目录 */
.blog-grid .home-right {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 14rem;
  gap: 1.5rem;
  align-items: start;
}
.tag-toc {
  width: 100%;
  position: sticky;
  top: clamp(6rem, 14vh, 9rem);
  padding: 0.4rem 0;
  height: calc(100vh - clamp(6rem, 14vh, 9rem) - 1.5rem);
  overflow-y: auto;
  scrollbar-width: thin;
}
/* 右侧目录与博客页原生 TOC 一致：无圆点、无下划线 */
.tag-toc ul,
.tag-toc li {
  list-style: none;
  padding-left: 0;
}
.tag-toc li::before {
  content: none;
}
.tag-toc a {
  text-decoration: none;
}
@media (max-width: 76.25em) {
  .tag-toc {
    display: none;
  }
}

/* 专栏卡片加边框 */
.grid.cards > li {
  border: 1px solid var(--md-default-fg-color--lightest);
}

/* 最新文章卡片 */
.post-card {
  border: 1px solid var(--md-primary-fg-color--light);
  border-radius: 0.4rem;
  padding: 0.55rem 0.8rem;
  margin-bottom: 0.5rem;
}
.post-title {
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.4;
}
.pin-icon {
  width: 0.9rem;
  height: 0.9rem;
  vertical-align: -0.12rem;
  margin-right: 0.15rem;
}
.post-tags {
  margin: 0.2rem 0 0.6rem;
}
.post-tags .post-badge {
  margin-right: 0.35rem;
}
.post-meta {
  font-size: 0.7rem;
  opacity: 0.65;
  margin-top: 0.15rem;
}
.post-badge {
  border: 1px solid currentColor;
  border-radius: 999px;
  padding: 0 0.5rem;
  font-size: 0.7rem;
  opacity: 0.8;
}
a.post-badge {
  text-decoration: none;
  color: inherit;
  transition: background-color 0.2s, color 0.2s, opacity 0.2s;
}
a.post-badge:hover {
  background-color: var(--md-default-fg-color);
  color: var(--md-default-bg-color);
  opacity: 1;
}
.post-desc {
  font-size: 0.76rem;
  line-height: 1.5;
  opacity: 0.7;
  margin-top: 0.3rem;
}

/* 翻页按钮（右栏底部） */
.pager {
  display: flex;
  justify-content: space-between;
  margin-top: 1.2rem;
}
button.pager-btn {
  background: none;
  cursor: pointer;
  font: inherit;
  text-align: left;
}
.md-typeset .pager-btn {
  display: inline-block;
  padding: 0.3rem 1.2rem;
  border: 1px solid var(--md-primary-fg-color);
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--md-primary-fg-color);
  text-decoration: none;
  max-width: 46%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: background-color 0.2s, color 0.2s;
}
.pager-btn:hover {
  background-color: var(--md-primary-fg-color);
  color: var(--md-primary-bg-color);
}