/* Reading surfaces are intentionally separate from the editor and project pages. */
:is(.home-page, .reading-page) {
  --reading-width: 860px;
  --muted-color: #586879;
  background: #f3f6f8;
  font-size: 16px;
  line-height: 1.85;
}

:is(.home-page, .reading-page)::before,
:is(.home-page, .reading-page)::after {
  display: none;
}

:is(.home-page, .reading-page) :is(.post-block, .sidebar-inner, .site-search-card, .account-links-card, .header) {
  background: #fff;
  border-color: var(--soft-line-color);
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

:is(.home-page, .reading-page) :is(.post-block, .sidebar-inner, .site-search-card, .account-links-card, .header)::before {
  display: none;
}

.home-page .main {
  width: calc(100% - 64px);
  max-width: 1160px;
  grid-template-columns: 210px minmax(0, 1fr);
  grid-template-rows: auto auto 1fr;
  column-gap: 32px;
  margin-top: 40px;
}

.home-page .main-inner { grid-row: 1 / span 3; }
.home-page .account-links-card { grid-row: 3; }
.home-page .post-block { padding: 40px; }
.home-page .sidebar-inner { background: transparent; border: 0; }
.home-page .account-links-card { background: transparent; border: 0; padding: 16px 0; }
.home-page .site-title { font-size: 1.12rem; }
.home-page .identity-hero { border-top: 0; padding: 0 0 28px; margin-bottom: 28px; }
.home-page .identity-hero h1 {
  margin: 0 0 8px;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
}
.home-page .identity-hero .identity-tagline { margin-bottom: 16px; color: var(--text-strong-color); }
.home-page #blog { margin: 0 0 16px; }
.home-page .site-search-card {
  margin: 0 0 16px;
  padding: 0;
  border: 0;
  border-radius: 0;
  overflow: visible;
}
.home-page .site-search-label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
}
.home-page .site-search-control { max-width: 100%; }
.home-page .site-search-input { font-size: 1rem; }
.home-page .site-search-status { margin: 4px 0 0; }
.home-page .archive-filters { gap: 6px; margin-bottom: 16px; }
.home-page .archive-filter.is-active { box-shadow: none; }
.home-page .archive-year { margin-top: 12px; }
.home-page .archive-timeline { gap: 0; }
.home-page .archive-year-disclosure { border-bottom: 1px solid var(--line-color); }
.home-page .archive-year-toggle {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 68px;
  padding: 12px 4px;
  color: var(--text-strong-color);
  cursor: pointer;
  list-style: none;
  border-radius: 8px;
  transition: background-color 120ms ease-out;
}
.home-page .archive-year-toggle::-webkit-details-marker { display: none; }
.home-page .archive-year-label { font-size: 1.4rem; font-weight: 700; line-height: 1.4; }
.home-page .archive-year-count { margin-left: auto; color: var(--muted-color); font-size: 0.875rem; }
.home-page .archive-year-chevron {
  width: 8px;
  height: 8px;
  margin: 0 8px 0 2px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  transition: transform 160ms ease-out;
}
.home-page .archive-year-disclosure[open] > .archive-year-toggle .archive-year-chevron { transform: rotate(45deg); }
.home-page .archive-year-toggle:is(:hover, :focus-visible) { background: #edf3f6; }
.home-page .archive-year-toggle:active { background: #e0eaf0; }
.home-page .archive-year-toggle:focus-visible .archive-year-chevron { transition: none; }
.home-page .archive-year-disclosure > .archive-timeline { margin: 0; }
.home-page .archive-year-disclosure .archive-entry:last-child { border-bottom: 0; }
.home-page .blog-list .blog-item {
  border: 0;
  border-bottom: 1px solid var(--soft-line-color);
  border-radius: 0;
  background: transparent;
  padding: 16px 0;
  box-shadow: none;
  transform: none;
}
.home-page .blog-list .blog-item::before { display: none; }
.home-page .archive-entry-tags { margin-top: 6px; }
.home-page .project-list > li { background: #f8fafb; box-shadow: none; transform: none; }
.home-page .project-list > li::before { display: none; }
.home-page .footer-inner { max-width: 1160px; padding-left: 242px; }

/* Each article starts with navigation and content, with author details at the end. */
.reading-page .main {
  display: block;
  width: calc(100% - 64px);
  max-width: var(--reading-width);
  margin: 24px auto 0;
  padding: 0;
}
.reading-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-bottom: 20px;
  padding: 0 8px;
}
.reading-header > a,
.reading-header > nav a,
.reading-search summary {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  border: 0;
  font-size: 0.875rem;
}
.reading-header .reading-brand {
  margin-right: auto;
  color: var(--text-strong-color);
  font-size: 1rem;
  font-weight: 700;
}
.reading-brand span { color: var(--muted-color); font-weight: 400; margin-left: 8px; }
.reading-search { position: relative; }
.reading-search summary { cursor: pointer; color: var(--link-color); gap: 6px; }
.reading-search summary::after { content: "+"; }
.reading-search[open] summary::after { content: "−"; }
.reading-search summary::-webkit-details-marker { display: none; }
.reading-search .site-search-card {
  position: absolute;
  top: 100%;
  right: 0;
  z-index: 5;
  width: min(360px, calc(100vw - 48px));
  max-height: 65vh;
  overflow-y: auto;
  margin: 4px 0 0;
  box-shadow: 0 12px 36px rgba(23, 33, 46, 0.12);
}
.reading-search .site-search-input { font-size: 1rem; }
.reading-page .main-inner { width: 100%; padding: 0; margin: 0; }
.reading-page .post-block { padding: 48px 56px; }
.reading-page .post-header { text-align: left; margin-bottom: 32px; padding: 0; }
.reading-page .post-title { font-size: clamp(1.65rem, 3vw, 2.25rem); font-weight: 700; line-height: 1.4; }
.reading-page .post-meta-container { letter-spacing: 0; }
.reading-page .article-content { font-size: 1rem; line-height: 1.9; }
.reading-end { margin: 28px 0 0; padding: 24px 8px 0; border-top: 1px solid var(--line-color); }
.reading-end .sidebar { position: static; }
.reading-end .sidebar-inner { margin: 0; padding: 0; border: 0; border-radius: 0; background: transparent; text-align: left; }
.reading-end .account-links-card { margin: 12px 0 0; padding: 0; border: 0; border-radius: 0; background: transparent; justify-content: flex-start; }
.reading-page .footer-inner { max-width: var(--reading-width); width: auto; padding: 0 24px; }

@media (max-width: 991px) {
  .home-page .main { width: 100%; max-width: 780px; padding: 20px; margin: 0 auto; gap: 0; }
  .home-page .header {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0 12px;
    margin-bottom: 16px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
  }
  .home-page .site-brand-container { padding: 0; background: transparent; }
  .home-page .site-meta { padding: 0; text-align: left; }
  .home-page .site-title { color: var(--text-strong-color); font-weight: 700; font-size: 1rem; }
  .home-page :is(.logo-line, .site-subtitle) { display: none; }
  .home-page .site-nav { background: transparent; }
  .home-page .site-nav .menu { padding: 0; }
  .home-page .menu-item a { display: flex; align-items: center; min-height: 44px; padding: 4px 8px; }
  .home-page .main-inner { margin: 0; }
  .home-page .post-block { padding: 28px; }
  .home-page .sidebar-inner { margin-top: 24px; }
  .home-page .account-links-card { margin: 0; }
  .home-page .footer-inner { width: auto; padding-left: 0; }
  .reading-page .main { width: calc(100% - 40px); margin-top: 16px; }
  .reading-page .post-block { padding: 36px; }
}

@media (max-width: 600px) {
  .home-page .main { padding: 12px 16px; }
  .home-page .header { margin-bottom: 12px; }
  .home-page .site-title { font-size: 0.92rem; }
  .home-page .post-block { padding: 24px 18px; border-radius: 14px; }
  .home-page .identity-hero { padding-bottom: 20px; margin-bottom: 20px; }
  .home-page .identity-hero .identity-tagline { margin-bottom: 12px; font-size: 0.875rem; }
  .home-page .identity-hero p { line-height: 1.75; }
  .home-page .archive-filter { min-height: 36px; padding: 5px 10px; }
  .home-page .archive-entry { gap: 4px; }
  .reading-page .main { width: calc(100% - 32px); margin-top: 8px; }
  .reading-header { padding: 0; gap: 0 16px; margin-bottom: 12px; }
  .reading-header .reading-brand { flex-basis: 100%; min-height: 36px; }
  .reading-search { margin-left: auto; }
  .reading-page .post-block { padding: 24px 18px; border-radius: 14px; }
  .reading-page .post-header { margin-bottom: 24px; }
  .reading-end { padding-top: 20px; }
}

/* Comfortable reading and predictable input feedback across pointer types. */
:is(.home-page, .reading-page) :is(.menu-item a, .archive-filter, .btn, .site-search-input, .account-link) {
  min-height: 44px;
}
.home-page .menu-item a { display: flex; align-items: center; font-size: 0.875rem; }
.home-page .archive-filter { font-size: 0.875rem; }
.home-page .archive-entry-date,
.reading-page .post-meta-container { font-size: 0.875rem; }
.home-page .archive-entry-tag { font-size: 0.75rem; }
:is(.home-page, .reading-page) .site-search-status { font-size: 0.8125rem; }
:is(.home-page, .reading-page) :is(.site-search-result-title, .site-description) { font-size: 0.875rem; }
:is(.home-page, .reading-page) :is(.site-search-result-meta, .site-search-result-excerpt) { font-size: 0.8125rem; }
.reading-page .article-content { line-height: 1.85; }
.reading-page .reading-header .reading-brand { min-height: 44px; }

:is(.home-page, .reading-page) .account-link {
  --brand-ink: #263442;
  color: #435061;
  background: #eaf0f3;
  border: 1px solid #d6e0e6;
  box-shadow: none;
  justify-content: center;
  opacity: 1;
  font-size: 0.8125rem;
  transition: background-color 120ms ease-out, color 120ms ease-out, transform 120ms ease-out;
}
:is(.home-page, .reading-page) .account-link-bilibili { --brand-ink: #17618e; }
:is(.home-page, .reading-page) .account-link-xhs { --brand-ink: #a7253e; }
:is(.home-page, .reading-page) .account-link-bangumi { --brand-ink: #973c59; }
:is(.home-page, .reading-page) .account-link-leetcode { --brand-ink: #825100; }
:is(.home-page, .reading-page) .account-link:is(:hover, :focus-visible, :active) {
  color: var(--brand-ink);
  border-color: currentColor;
  background: #fff;
  box-shadow: none;
  transform: none;
  opacity: 1;
}
:is(.home-page, .reading-page) :is(.menu-item a, .archive-filter, .btn, .reading-header > a, .reading-header > nav a, .reading-search summary) {
  transition: background-color 120ms ease-out, color 120ms ease-out, transform 120ms ease-out;
}
:is(.home-page, .reading-page) :is(.menu-item a, .reading-header > a, .reading-header > nav a, .reading-search summary) { border-radius: 8px; }
:is(.home-page, .reading-page) :is(.menu-item a, .archive-filter, .btn, .account-link, .reading-header > a, .reading-header > nav a, .reading-search summary):active {
  transform: scale(0.97);
  background-color: #e0eaf0;
  transition-duration: 60ms;
}
:is(.home-page, .reading-page) :is(a, button, summary, input, textarea, [tabindex]):focus-visible {
  outline: 2px solid #367c93;
  outline-offset: 3px;
}
.reading-page .xhs-gallery .xhs-gallery-button:active:not(:disabled) {
  transform: translateY(-50%) scale(0.94);
  background: #536775;
  transition-duration: 60ms;
}

@media (hover: none), (pointer: coarse) {
  .reading-page .xhs-gallery .xhs-gallery-button:not(:disabled) {
    opacity: 1;
    pointer-events: auto;
  }
  .reading-page .xhs-gallery-count { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  :is(.home-page, .reading-page) :is(.menu-item a, .archive-filter, .btn, .account-link, .reading-header > a, .reading-header > nav a, .reading-search summary):active {
    transform: none;
  }
  .reading-page .xhs-gallery .xhs-gallery-button:active:not(:disabled) {
    transform: translateY(-50%);
  }
}