/* Article layout, markdown body, TOC and drawer styles. */
.blog-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) 220px;
  gap: 0;
  width: min(100%, var(--blog-layout-width));
  margin: 0 auto;
  min-width: 0;
  min-height: calc(100vh - 118px);
}

.blog-shell.no-sidebar {
  grid-template-columns: minmax(0, 1fr) 260px;
}

.blog-sidebar {
  position: sticky;
  top: 58px;
  height: calc(100vh - 58px);
  padding: 42px 0 24px;
  overflow: auto;
  border-right: 1px solid var(--blog-border);
}

.sidebar-title {
  padding: 0 24px 12px;
  color: var(--blog-heading);
  font-weight: 700;
}

.blog-sidebar .sidebar-links {
  max-height: calc(100vh - 132px);
  overflow: auto;
}

.sidebar-catalog-name {
  padding: 0 24px 10px;
  color: var(--blog-muted);
  font-size: 0.875rem;
  font-weight: 600;
}

.sidebar-section {
  margin-bottom: 4px;
}

.sidebar-section-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 8px 18px;
  color: var(--blog-heading);
  cursor: pointer;
  user-select: none;
}

.sidebar-section-toggle:hover {
  color: var(--blog-accent);
  background: var(--blog-active);
}

.sidebar-section-icon {
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  fill: currentColor;
  transform: rotate(0deg);
  transition: transform 0.18s ease;
}

.sidebar-section.is-open > .sidebar-section-toggle .sidebar-section-icon {
  transform: rotate(90deg);
}

.sidebar-section-docs {
  display: none;
  padding-bottom: 4px;
}

.sidebar-section.is-open > .sidebar-section-docs {
  display: block;
}

.doc-link {
  display: block;
  padding: 10px 24px;
  color: var(--blog-text);
  text-decoration: none;
  border-left: 3px solid transparent;
}

.doc-link:hover,
.doc-link.active {
  color: var(--blog-accent);
  background: var(--blog-active);
  /* border-left-color: var(--blog-accent); */
}

.sidebar-child-link {
  padding-left: 36px;
  font-size: 0.96rem;
}

.blog-content {
  width: min(100%, 980px);
  min-width: 0;
  max-width: 100%;
  padding: 28px 28px 42px;
  justify-self: center;
  overflow-wrap: anywhere;
}


.breadcrumb-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--blog-muted);
  font-size: 0.95rem;
}

.breadcrumb-wrap a {
  color: var(--blog-accent);
  text-decoration: none;
}

.blog-content h1 {
  margin: 0 0 12px;
  font-size: 2.2rem;
  font-weight: 650;
  color: var(--blog-heading);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  color: var(--blog-muted);
  font-size: 0.95rem;
}

.article-meta a {
  color: var(--blog-accent-strong);
  text-decoration: none;
}

.article-tags {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
}

.article-tags span {
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--blog-active);
  color: var(--blog-accent-strong);
}

.markdown-body {
  min-width: 0;
  max-width: 100%;
  font-size: 1.04rem;
  line-height: 1.85;
  overflow-wrap: anywhere;
}

.markdown-body h2 {
  margin-top: 42px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--blog-border);
  font-size: 1.8rem;
  scroll-margin-top: 86px;
}

.markdown-body h3 {
  margin-top: 32px;
  font-size: 1.35rem;
  scroll-margin-top: 86px;
}

.markdown-body h4 {
  scroll-margin-top: 86px;
}

.markdown-body a {
  color: #229b69;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.markdown-body code {
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  background: var(--blog-code-bg);
  color: var(--blog-text);
}

.markdown-body img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 1rem auto;
  border-radius: 6px;
}

.markdown-body .previewable-image {
  cursor: zoom-in;
  transition: filter 0.18s ease;
}

.markdown-body .previewable-image:hover {
  filter: brightness(0.96);
}

.viewer-container {
  z-index: 2000 !important;
}

.viewer-backdrop {
  background-color: rgba(15, 23, 42, 0.88);
}

.viewer-toolbar > ul > li,
.viewer-button {
  background-color: rgba(15, 23, 42, 0.72);
}

.viewer-toolbar > ul > li:hover,
.viewer-button:hover {
  background-color: var(--blog-accent-strong);
}

.markdown-body pre code,
.markdown-body .code-block code {
  display: block;
  padding: 0;
  background: transparent;
  color: inherit;
}

.markdown-body .code-block {
  margin: 1.15rem 0;
  overflow: hidden;
  border: 1px solid var(--blog-border);
  border-radius: 7px;
  background: #f6f8fa;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.08);
}

.markdown-body .code-block-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 34px;
  padding: 0 10px 0 12px;
  border-bottom: 1px solid var(--blog-border);
  background: #f6f8fa;
}

.markdown-body .code-block-language {
  color: var(--blog-muted);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.markdown-body .code-copy-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: 24px;
  padding: 0 8px;
  border: 1px solid var(--blog-border);
  border-radius: 5px;
  background: var(--blog-surface);
  color: var(--blog-text);
  font-size: 0.76rem;
  line-height: 1;
  cursor: pointer;
}

.markdown-body .code-copy-button:hover {
  color: #fff;
  border-color: var(--blog-accent-strong);
  background: var(--blog-accent-strong);
}

.markdown-body .code-copy-button.is-copied {
  color: #fff;
  border-color: var(--blog-accent);
  background: var(--blog-accent);
}

.markdown-body .code-block pre.shiki {
  margin: 0;
  padding: 12px 14px;
  overflow: auto;
  border-radius: 0;
  background: var(--shiki-light-bg) !important;
  color: var(--shiki-light) !important;
  font-size: 0.9rem;
  line-height: 1.55;
}

.markdown-body .code-block pre.shiki code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.markdown-body .code-block pre.shiki span {
  color: var(--shiki-light) !important;
}

:root[data-theme="dark"] .markdown-body .code-block,
:root[data-theme="dark"] .markdown-body .code-block-toolbar {
  background: #0d1117;
}

:root[data-theme="dark"] .markdown-body .code-block pre.shiki {
  background: var(--shiki-dark-bg) !important;
  color: var(--shiki-dark) !important;
}

:root[data-theme="dark"] .markdown-body .code-block pre.shiki span {
  color: var(--shiki-dark) !important;
}

@media (prefers-color-scheme: dark) {
  :root[data-theme="system"] .markdown-body .code-block,
  :root[data-theme="system"] .markdown-body .code-block-toolbar {
    background: #0d1117;
  }

  :root[data-theme="system"] .markdown-body .code-block pre.shiki {
    background: var(--shiki-dark-bg) !important;
    color: var(--shiki-dark) !important;
  }

  :root[data-theme="system"] .markdown-body .code-block pre.shiki span {
    color: var(--shiki-dark) !important;
  }
}

.markdown-body blockquote {
  margin: 1.25rem 0;
  padding: 0.75rem 1rem;
  border-left: 4px solid var(--blog-accent);
  background: var(--blog-quote-bg);
  color: var(--blog-muted);
}

.blog-toc {
  position: sticky;
  top: 82px;
  height: calc(100vh - 100px);
  padding: 58px 28px 24px;
  overflow: auto;
}

.toc-title {
  margin-bottom: 14px;
  font-weight: 700;
}

.toc-link {
  display: block;
  padding: 6px 0 6px 14px;
  color: #737373;
  text-decoration: none;
  border-left: 2px solid #e5e7eb;
  font-size: 0.95rem;
}

.toc-link:hover,
.toc-link.active {
  color: var(--blog-accent);
  border-left-color: var(--blog-accent);
}

.toc-level-3 {
  padding-left: 26px;
}

.toc-level-4 {
  padding-left: 38px;
}

.toc-empty {
  color: var(--blog-muted);
}


.mobile-drawer-toolbar {
  display: none;
  position: sticky;
  top: var(--topbar-height);
  z-index: 54;
  align-items: center;
  justify-content: space-between;
  width: min(100%, var(--blog-layout-width));
  min-height: 46px;
  padding: 0 24px;
  margin: 0 auto;
  border-bottom: 1px solid var(--blog-border);
  background: var(--blog-surface);
  box-shadow: 0 8px 18px var(--blog-shadow);
}

.mobile-drawer-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 46px;
  color: var(--blog-muted);
  font-size: 0.95rem;
  cursor: pointer;
  user-select: none;
}

.mobile-drawer-action.menu-action {
  display: none;
}

.mobile-drawer-action:hover {
  color: var(--blog-accent-strong);
}

.mobile-drawer-action svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.mobile-drawer-action.toc-action {
  margin-left: auto;
}

.toc-drawer-mask,
.sidebar-drawer-mask {
  position: fixed;
  inset: var(--topbar-height) 0 0;
  z-index: 58;
  display: none;
  background: var(--blog-overlay);
}

.toc-drawer,
.sidebar-drawer {
  position: fixed;
  top: var(--topbar-height);
  z-index: 59;
  width: min(82vw, 320px);
  height: calc(100vh - var(--topbar-height));
  padding: 18px 18px 28px;
  overflow: auto;
  background: var(--blog-surface);
  transform: translateX(100%);
  transition: transform 0.22s ease;
}

.sidebar-drawer .sidebar-links {
  max-height: none;
  overflow: visible;
}

.sidebar-drawer .sidebar-catalog-name,
.sidebar-drawer .sidebar-section-toggle {
  padding-right: 6px;
  padding-left: 6px;
}

.sidebar-drawer .sidebar-child-link {
  padding-right: 8px;
  padding-left: 30px;
}

.toc-drawer {
  right: 0;
  border-left: 1px solid var(--blog-border);
  box-shadow: -16px 0 34px var(--blog-shadow);
}

.sidebar-drawer {
  left: 0;
  border-right: 1px solid var(--blog-border);
  box-shadow: 16px 0 34px var(--blog-shadow);
  transform: translateX(-100%);
}

.toc-drawer.is-open {
  transform: translateX(0);
}

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

.toc-drawer-mask.is-open,
.sidebar-drawer-mask.is-open {
  display: block;
}

.toc-drawer-header,
.sidebar-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  font-weight: 700;
}

.toc-drawer-header button,
.sidebar-drawer-header button {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--blog-border);
  border-radius: 8px;
  background: var(--blog-surface);
  color: var(--blog-text);
  font-size: 1.4rem;
  line-height: 1;
}


@media (max-width: 1180px) {
  .blog-shell {
    grid-template-columns: 240px minmax(0, 1fr);
  }

  .blog-shell.no-sidebar {
    grid-template-columns: minmax(0, 1fr);
  }

  .blog-toc {
    display: none;
  }

  .mobile-drawer-toolbar.has-toc {
    display: flex;
  }
}

@media (max-width: 820px) {
  .blog-shell {
    display: block;
    width: 100%;
    overflow-x: hidden;
  }

  .blog-sidebar {
    display: none;
  }

  .mobile-drawer-toolbar.has-sidebar {
    display: flex;
  }

  .mobile-drawer-action.menu-action {
    display: inline-flex;
  }

  .mobile-drawer-toolbar {
    padding-right: 18px;
    padding-left: 18px;
  }

  .blog-content {
    width: 100%;
    padding: 24px 18px 64px;
  }

  .blog-content h1 {
    font-size: 1.75rem;
  }
}