:root {
  --bg: #f4f5f1;
  --page-bg: radial-gradient(circle at 12% -18%, #fafbf7 0%, var(--bg) 42%);
  --surface: #ffffff;
  --surface-muted: #eef2ec;
  --text: #121712;
  --text-muted: #4d5a4d;
  --line: #d2dbc9;
  --accent: #1a6e3b;
  --accent-soft: #e2f1e7;
  --max-width: 980px;
  --radius: 14px;
}

html[data-theme="dark"] {
  --bg: #11160f;
  --page-bg: radial-gradient(circle at 12% -18%, #171f15 0%, var(--bg) 38%);
  --surface: #192018;
  --surface-muted: #202b20;
  --text: #edf4ea;
  --text-muted: #aab8a5;
  --line: #33402f;
  --accent: #8bd9a4;
  --accent-soft: #1f3b29;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--page-bg);
  color: var(--text);
  font-family:
    "IBM Plex Sans",
    "Segoe UI",
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  line-height: 1.7;
}

.site-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
}

.site-layout > main {
  flex-grow: 1;
}

.site-layout > .site-header,
.site-layout > .site-footer {
  flex-shrink: 0;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid color-mix(in srgb, var(--line), transparent 30%);
  background: color-mix(in srgb, var(--bg), white 32%);
  z-index: 10;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  min-height: 68px;
}

.site-title {
  font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--text);
}

.menu-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  appearance: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.28rem 0.62rem;
  cursor: pointer;
}

.menu-toggle-icon,
.menu-toggle-icon::before,
.menu-toggle-icon::after {
  width: 14px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition: transform 0.2s ease;
}

.menu-toggle-icon {
  position: relative;
  display: inline-block;
}

.menu-toggle-icon::before,
.menu-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.menu-toggle-icon::before {
  top: -5px;
}

.menu-toggle-icon::after {
  top: 5px;
}

.site-header.menu-open .menu-toggle-icon {
  background: transparent;
}

.site-header.menu-open .menu-toggle-icon::before {
  transform: translateY(5px) rotate(45deg);
}

.site-header.menu-open .menu-toggle-icon::after {
  transform: translateY(-5px) rotate(-45deg);
}

.header-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.7rem;
}

.preference-controls {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-list a {
  display: inline-flex;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.nav-list a.active {
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent), white 60%);
  color: var(--accent);
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.18rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  padding: 0.18rem;
}

.language-option {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.18rem 0.5rem;
  line-height: 1;
  cursor: pointer;
}

.language-option:hover {
  color: var(--text);
  background: var(--surface-muted);
}

.language-option:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent), white 58%);
  outline-offset: 1px;
}

.language-option.is-active {
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent), white 60%);
  color: var(--accent);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 1.62rem;
  appearance: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.18rem;
}

.theme-toggle:hover {
  color: var(--text);
  background: var(--surface-muted);
}

.theme-toggle:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent), white 58%);
  outline-offset: 1px;
}

.theme-toggle-icon {
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 999px;
  background: currentColor;
  box-shadow: inset -0.28rem -0.22rem 0 0 var(--surface);
}

html[data-theme="dark"] .theme-toggle {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent), black 45%);
}

html[data-theme="dark"] .theme-toggle-icon {
  box-shadow:
    0 0 0 0.12rem currentColor,
    0 -0.34rem 0 -0.22rem currentColor,
    0.28rem -0.2rem 0 -0.22rem currentColor,
    0.34rem 0 0 -0.22rem currentColor,
    0.28rem 0.2rem 0 -0.22rem currentColor,
    0 0.34rem 0 -0.22rem currentColor,
    -0.28rem 0.2rem 0 -0.22rem currentColor,
    -0.34rem 0 0 -0.22rem currentColor,
    -0.28rem -0.2rem 0 -0.22rem currentColor;
  background: transparent;
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  margin: 0;
  padding: 0.45rem;
  list-style: none;
  min-width: 320px;
  display: grid;
  gap: 0.2rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 12px 24px rgba(17, 23, 17, 0.1);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  pointer-events: none;
  transition:
    opacity 0.18s ease,
    transform 0.18s ease,
    visibility 0s linear 0.18s;
  z-index: 30;
}

.nav-dropdown-item {
  margin: 0;
}

.nav-dropdown-item--nested {
  display: grid;
  grid-template-columns: minmax(130px, 160px) minmax(170px, 1fr);
  column-gap: 0.6rem;
  align-items: start;
  padding: 0.2rem;
}

.nav-dropdown-item--nested + .nav-dropdown-item--nested {
  border-top: 1px solid color-mix(in srgb, var(--line), white 25%);
  padding-top: 0.4rem;
}

.nav-dropdown-item--nested > a {
  font-weight: 600;
  background: var(--surface-muted);
  color: var(--text);
  white-space: normal;
}

.nav-subdropdown {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.25rem;
}

.nav-subdropdown a {
  font-size: 0.82rem;
  padding: 0.32rem 0.55rem;
  white-space: normal;
}

.nav-dropdown a {
  display: block;
  border-radius: 8px;
  padding: 0.45rem 0.6rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  border: 1px solid transparent;
  line-height: 1.35;
}

.nav-dropdown a:hover,
.nav-dropdown a:focus-visible {
  text-decoration: none;
  background: var(--surface-muted);
  color: var(--text);
}

.nav-dropdown a.active {
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent), white 60%);
  color: var(--accent);
}

.nav-item--dropdown:hover > .nav-dropdown,
.nav-item--dropdown:focus-within > .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
  transition-delay: 0s;
}

main {
  padding-block: 2.2rem 3rem;
}

.home-intro {
  position: relative;
}

.hero {
  display: grid;
  gap: 1.4rem;
  align-items: start;
}

.home-content {
  display: flex;
  flex-direction: column;
}

.home-content > .home-intro {
  order: 1;
}

.home-latest-section {
  order: 2;
}

.home-latest-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.home-latest-heading > a {
  font-size: 0.9rem;
  white-space: nowrap;
}

#about {
  scroll-margin-top: 6rem;
}

.hero--with-sidebar {
  grid-template-columns: minmax(0, 1fr) minmax(250px, 320px);
}

.hero--without-sidebar {
  grid-template-columns: minmax(0, 1fr);
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem;
}

.favorite-card {
  padding: 0.9rem 0.95rem;
}

.favorite-rail {
  margin-bottom: 1rem;
}

.favorite-disclosure {
  overflow: hidden;
}

.favorite-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  list-style: none;
}

.favorite-summary::-webkit-details-marker {
  display: none;
}

.favorite-summary::after {
  content: "+";
  color: var(--text-muted);
  font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 0.95rem;
  line-height: 1;
}

.favorite-disclosure[open] .favorite-summary::after {
  content: "−";
}

.favorite-title {
  margin: 0;
  font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.favorite-list {
  list-style: none;
  margin: 0.7rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
  min-height: 0;
}

.favorite-group {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-muted);
  padding: 0.48rem 0.58rem;
}

.favorite-group-disclosure {
  display: block;
}

.favorite-group-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  list-style: none;
  gap: 0.45rem;
}

.favorite-group-summary::-webkit-details-marker {
  display: none;
}

.favorite-group-title {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text);
}

.favorite-group-count {
  color: var(--text-muted);
  font-size: 0.76rem;
  font-weight: 600;
  font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
}

.favorite-child-list {
  list-style: none;
  margin: 0.4rem 0 0;
  padding: 0 0.25rem 0 0;
  display: grid;
  gap: 0.35rem;
  max-height: min(22rem, 42vh);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.favorite-item a {
  display: inline-flex;
  font-size: 0.86rem;
  font-weight: 600;
}

.favorite-note {
  margin: 0.15rem 0 0;
  color: var(--text-muted);
  font-size: 0.78rem;
  line-height: 1.4;
}

.favorite-empty {
  margin: 0.28rem 0 0;
  color: var(--text-muted);
  font-size: 0.78rem;
}

.hero-side {
  display: grid;
  gap: 0.9rem;
}

.home-right-rail {
  display: grid;
  gap: 0.9rem;
}

.useful-info-card {
  padding: 0.85rem 0.95rem;
}

.home-ad-card {
  min-height: 320px;
  overflow: hidden;
}

.home-ad-card .adsbygoogle {
  min-height: 320px;
}

.useful-info-title {
  margin: 0;
  font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.useful-info-location {
  margin: 0.35rem 0 0;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.useful-info-block {
  margin-top: 0.75rem;
}

.useful-info-label {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.useful-info-value {
  margin: 0.2rem 0 0;
  color: var(--text);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.2;
}

.useful-info-meta {
  margin: 0.18rem 0 0;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.useful-info-rate-list {
  list-style: none;
  margin: 0.3rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.28rem;
}

.useful-info-rate-item {
  margin: 0;
  color: var(--text);
  font-size: 0.84rem;
}

@media (min-width: 1360px) {
  .home-intro {
    --home-rail-top: calc(68px + 2.2rem);
    --home-rail-bottom-gap: 1.2rem;
  }

  .favorite-summary {
    cursor: default;
    pointer-events: none;
  }

  .favorite-summary::after {
    display: none;
  }

  .favorite-disclosure:not([open]) > .favorite-list {
    display: grid;
  }

  .home-intro--with-favorites .favorite-rail {
    --favorite-rail-width: min(220px, calc((100vw - var(--max-width)) / 2 - 1.2rem));
    position: fixed;
    top: var(--home-rail-top);
    left: calc((100vw - var(--max-width)) / 2 - var(--favorite-rail-width) - 1rem);
    width: var(--favorite-rail-width);
    max-height: calc(100vh - var(--home-rail-top) - var(--home-rail-bottom-gap));
    margin-bottom: 0;
    display: flex;
    flex-direction: column;
  }

  .home-intro--with-favorites .favorite-rail > .favorite-list {
    overflow-y: auto;
    overscroll-behavior: contain;
    padding-right: 0.25rem;
    scrollbar-gutter: stable;
  }

  .home-intro--with-useful-info .home-right-rail {
    --useful-rail-width: min(220px, calc((100vw - var(--max-width)) / 2 - 1.2rem));
    position: fixed;
    top: var(--home-rail-top);
    right: calc((100vw - var(--max-width)) / 2 - var(--useful-rail-width) - 1rem);
    width: var(--useful-rail-width);
    max-height: calc(100vh - var(--home-rail-top) - var(--home-rail-bottom-gap));
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-gutter: stable;
  }
}

@media (max-width: 1359px) {
  .footer-inner {
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .social-links {
    margin-left: auto;
    justify-content: flex-end;
  }

  .favorite-rail {
    position: static;
    width: 100%;
    max-height: none;
    margin-bottom: 1rem;
    overflow: visible;
    background: color-mix(in srgb, var(--surface), var(--bg) 8%);
  }

  .favorite-disclosure:not([open]) {
    width: auto;
    overflow: hidden;
  }

  .favorite-disclosure:not([open]) .favorite-summary {
    min-width: 8.2rem;
  }

  .favorite-summary {
    gap: 0.7rem;
  }

  .favorite-card {
    padding: 0.7rem 0.8rem;
  }

  .favorite-list {
    display: grid;
    gap: 0.45rem;
    margin-top: 0.65rem;
  }

  .favorite-group {
    border-radius: 10px;
    padding: 0.42rem 0.52rem;
  }

  .favorite-group-title {
    font-size: 0.78rem;
  }

  .favorite-child-list {
    max-height: 12rem;
    overflow: auto;
    padding-right: 0.2rem;
  }

  .favorite-item a {
    font-size: 0.82rem;
    line-height: 1.35;
  }

  .home-intro {
    margin-top: -2.2rem;
  }

  .home-right-rail {
    display: contents;
  }

  .useful-info-card {
    margin-bottom: 1rem;
  }

  .useful-info-card {
    width: 100vw;
    margin-left: calc(50% - 50vw);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    overflow-x: auto;
    border-inline: 0;
    border-top: 0;
    border-radius: 0;
    padding: 0.5rem max(1rem, calc((100vw - var(--max-width)) / 2));
    white-space: nowrap;
  }

  .useful-info-title {
    flex: 0 0 auto;
  }

  .useful-info-location {
    flex: 0 0 auto;
    margin: 0;
    font-size: 0.78rem;
  }

  .useful-info-block {
    flex: 0 0 auto;
    display: flex;
    align-items: baseline;
    gap: 0.35rem;
    margin: 0;
  }

  .useful-info-value {
    margin: 0;
    font-size: 1.05rem;
  }

  .useful-info-meta {
    margin: 0;
  }

  .useful-info-rate-list {
    display: flex;
    gap: 0.7rem;
    margin: 0;
  }

  .useful-info-meta,
  .useful-info-rate-item {
    font-size: 0.78rem;
    line-height: 1.35;
  }

  .home-ad-card {
    display: none;
  }
}

@media (max-width: 899px) {
  .hero--with-sidebar,
  .hero--without-sidebar {
    grid-template-columns: 1fr;
  }

  .hero-side {
    display: contents;
  }

  .hero > .markdown-body {
    order: 2;
  }

  .hero-side > .card:not(.useful-info-card) {
    order: 3;
  }

  .useful-info-card {
    order: 1;
  }
}

.profile-image {
  width: 100%;
  border-radius: calc(var(--radius) - 3px);
  border: 1px solid var(--line);
  display: block;
}

.section-title {
  margin: 2rem 0 0.65rem;
  font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.home-latest-section .section-title {
  margin-top: 1rem;
}

.post-list,
.book-list,
.repo-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.post-item,
.book-item,
.repo-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 0.95rem 1rem;
}

.post-item h2,
.post-item h3,
.book-item h2,
.repo-item h2 {
  margin: 0;
  font-size: 1.06rem;
}

.post-item--with-media {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(140px, 288px);
  gap: 1rem;
  align-items: start;
}

.post-card-content {
  grid-column: 1;
  grid-row: 1;
  min-width: 0;
}

.post-card-media {
  grid-column: 2;
  grid-row: 1;
  display: block;
  position: relative;
  justify-self: end;
  min-width: 0;
  height: 140px;
  width: fit-content;
  max-width: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 4px);
  background: var(--surface-muted);
}

.post-card-media:hover {
  text-decoration: none;
}

.post-card-preview {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 140px;
  gap: 0.25rem;
  width: max-content;
  max-width: 100%;
  height: 100%;
}

.post-card-preview img,
.post-card-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.post-card-preview img {
  aspect-ratio: 1 / 1;
  min-width: 0;
  border-radius: 0;
}

.post-card-preview--2 img {
  border-radius: 6px;
}

.post-card-gallery {
  position: absolute;
  inset: auto 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.25rem;
  padding: 0.25rem;
  background: color-mix(in srgb, var(--surface), transparent 18%);
  opacity: 0;
  transform: translateY(0.35rem);
  transition:
    opacity 0.18s ease,
    transform 0.18s ease;
}

.post-card-gallery img {
  aspect-ratio: 1 / 1;
  border: 1px solid color-mix(in srgb, var(--line), transparent 15%);
  border-radius: 6px;
}

.post-card-media:hover .post-card-gallery,
.post-card-media:focus-visible .post-card-gallery {
  opacity: 1;
  transform: translateY(0);
}

.post-meta,
.book-meta,
.project-meta {
  margin-top: 0.33rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.badge {
  display: inline-flex;
  margin-top: 0.5rem;
  padding: 0.2rem 0.48rem;
  border-radius: 999px;
  background: #fff6db;
  color: #7a5600;
  font-size: 0.78rem;
  border: 1px solid #efdca0;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.tags span,
.tags a {
  border: 1px solid var(--line);
  background: var(--surface-muted);
  color: var(--text-muted);
  border-radius: 999px;
  font-size: 0.78rem;
  padding: 0.12rem 0.45rem;
}

.tags a:hover {
  text-decoration: none;
  background: color-mix(in srgb, var(--surface-muted), #dce7de 50%);
  color: var(--text);
}

@media (max-width: 620px) {
  .post-item--with-media {
    grid-template-columns: 1fr;
  }

  .post-card-content,
  .post-card-media {
    grid-column: 1;
  }

  .post-card-media {
    grid-row: 1;
  }

  .post-card-content {
    grid-row: 2;
  }

  .post-card-gallery {
    opacity: 1;
    transform: none;
  }

  .project-grid {
    grid-template-columns: 1fr;
  }
}

.blog-header h1,
.post-header h1,
.page-header h1 {
  margin: 0;
  font-size: clamp(1.5rem, 3.5vw, 2.3rem);
  line-height: 1.15;
}

.blog-header p,
.post-header p,
.page-header p {
  margin-top: 0.5rem;
  color: var(--text-muted);
}

.blog-category-filter {
  margin-top: 1rem;
}

.blog-category-parent-list,
.blog-category-child-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.blog-category-parent-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.blog-category-parent-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 0;
}

.blog-category-child-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  padding-left: 0.5rem;
}

.blog-category-filter a {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.2rem 0.56rem;
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.82rem;
  white-space: nowrap;
}

.blog-category-filter a:hover {
  text-decoration: none;
  background: var(--surface-muted);
  color: var(--text);
}

.blog-category-filter a.active {
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent), white 60%);
  color: var(--accent);
}

.blog-search-form {
  margin-top: 0.95rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
}

.blog-search-input {
  flex: 1 1 240px;
  min-height: 2.2rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
  padding: 0.35rem 0.8rem;
}

.blog-search-input:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent), white 58%);
  outline-offset: 1px;
}

.blog-search-button {
  min-height: 2.2rem;
  border: 1px solid color-mix(in srgb, var(--accent), white 60%);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 600;
  padding: 0.35rem 0.8rem;
  cursor: pointer;
}

.blog-search-button:hover {
  background: color-mix(in srgb, var(--accent-soft), white 18%);
}

.search-results-meta {
  margin: 0.95rem 0 0.2rem;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.pagination {
  margin-top: 1rem;
}

.pagination-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.pagination-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.84rem;
}

.pagination-link:hover {
  text-decoration: none;
  background: var(--surface-muted);
  color: var(--text);
}

.pagination-link.active {
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent), white 60%);
  color: var(--accent);
}

.pagination-link--disabled {
  color: var(--text-muted);
  pointer-events: none;
}

.post-body {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem;
}

.post-detail-layout {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 280px);
  gap: 1rem;
  align-items: start;
}

.post-main {
  min-width: 0;
}

.post-body {
  overflow-wrap: anywhere;
}

.post-related {
  position: sticky;
  top: 5.2rem;
  padding: 0.9rem 0.95rem;
}

.post-related h2 {
  margin: 0;
  font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.post-related-list {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.post-related-item a {
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.35;
}

.post-related-item a:hover {
  color: var(--accent);
}

.post-related-meta {
  margin: 0.2rem 0 0;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.post-ad-card {
  margin-top: 1rem;
  min-height: 220px;
  overflow: hidden;
}

.post-ad-card .adsbygoogle {
  min-height: 220px;
}

.post-pager {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.post-pager-link {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  padding: 0.7rem 0.8rem;
  color: var(--text);
}

.post-pager-link:hover {
  text-decoration: none;
  border-color: color-mix(in srgb, var(--accent), white 60%);
  background: color-mix(in srgb, var(--surface), var(--accent-soft) 35%);
}

.post-pager-link--next {
  text-align: right;
  align-items: flex-end;
}

.post-pager-label {
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.post-pager-title {
  max-width: 100%;
  overflow-wrap: anywhere;
  font-size: 0.9rem;
  line-height: 1.35;
  font-weight: 600;
}

.post-comments {
  margin-top: 1rem;
}

.post-comments .section-title {
  margin-top: 0;
}

.post-body img {
  max-width: 100%;
  height: auto;
}

.post-body pre {
  overflow-x: auto;
  overflow-wrap: normal;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.8rem;
  background: #f0f4ed;
}

.markdown-body code {
  font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 0.92em;
}

.markdown-body code:not(pre code) {
  padding: 0.12em 0.35em;
  border: 1px solid var(--line);
  border-radius: 0.3em;
  background: var(--accent-soft);
  color: var(--accent);
  overflow-wrap: anywhere;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

.notice {
  margin-top: 1rem;
  border: 1px solid #efdda5;
  background: #fff9e8;
  border-radius: 10px;
  padding: 0.72rem 0.8rem;
  color: #6c5200;
  font-size: 0.9rem;
}

.eyebrow {
  margin: 0 0 0.35rem;
  font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.back-link {
  display: inline-flex;
  margin-bottom: 0.95rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.back-link:hover {
  color: var(--accent);
}

.project-portfolio-header {
  max-width: 720px;
}

.project-section {
  margin-top: 1.4rem;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.project-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
  transition:
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.18s ease;
}

.project-card:hover {
  border-color: color-mix(in srgb, var(--accent), white 58%);
  box-shadow: 0 14px 32px color-mix(in srgb, var(--text), transparent 88%);
  transform: translateY(-2px);
}

.project-card-link {
  display: block;
  color: inherit;
  text-decoration: none;
  height: 100%;
}

.project-image {
  width: 100%;
  height: 132px;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid var(--line);
  background: var(--surface-muted);
}

.project-content {
  display: grid;
  padding: 0.72rem 0.82rem;
}

.project-card-topline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.42rem;
}

.project-card-topline span {
  border: 1px solid color-mix(in srgb, var(--line), var(--accent-soft) 35%);
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--text-muted);
  font-size: 0.76rem;
  line-height: 1.2;
  padding: 0.16rem 0.48rem;
}

.project-content h2 {
  margin: 0;
  color: var(--text);
  font-size: 0.98rem;
  line-height: 1.24;
}

.project-content .project-meta {
  margin: -0.18rem 0 0;
  line-height: 1.5;
}

.project-role {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.project-highlights,
.project-detail-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--text);
}

.project-highlights {
  display: grid;
  gap: 0.35rem;
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.project-stack span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent-soft), var(--surface) 42%);
  color: var(--accent);
  font-size: 0.78rem;
  line-height: 1.25;
  padding: 0.16rem 0.5rem;
}

.project-read-more {
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 700;
}

.project-detail-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: end;
}

.project-detail-header h1 {
  margin: 0;
  font-size: clamp(1.6rem, 3.5vw, 2.45rem);
  line-height: 1.12;
}

.project-detail-header p:not(.eyebrow) {
  margin: 0.58rem 0 0;
  color: var(--text-muted);
  max-width: 720px;
}

.project-detail-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.5rem;
}

.project-detail-actions a {
  border: 1px solid color-mix(in srgb, var(--accent), white 60%);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 700;
  padding: 0.34rem 0.75rem;
}

.project-detail-actions a:hover {
  text-decoration: none;
  background: color-mix(in srgb, var(--accent-soft), white 18%);
}

.project-detail-layout {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 280px);
  gap: 1rem;
  align-items: start;
}

.project-detail-main {
  display: grid;
  gap: 1rem;
  min-width: 0;
}

.project-detail-image {
  width: 100%;
  max-height: 360px;
  object-fit: cover;
  display: block;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-muted);
}

.project-detail-section,
.project-summary-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1.05rem 1.15rem;
}

.project-detail-section h2,
.project-summary-panel h2 {
  margin: 0 0 0.65rem;
  font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.project-detail-list {
  display: grid;
  gap: 0.45rem;
  line-height: 1.55;
}

.project-summary-panel {
  position: sticky;
  top: 5.2rem;
}

.project-summary-panel dl {
  margin: 0;
  display: grid;
  gap: 0.72rem;
}

.project-summary-panel dt {
  color: var(--text-muted);
  font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-summary-panel dd {
  margin: 0.18rem 0 0;
  color: var(--text);
  font-size: 0.92rem;
  line-height: 1.45;
}

.project-summary-stack {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.book-cover {
  width: 74px;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.book-row {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 0.9rem;
  align-items: start;
}

.social-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  color: var(--text-muted);
  font-size: 0.86rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.2rem 0.5rem;
}

.footer-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  min-width: 0;
}

.footer-site-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.45rem 0.85rem;
  align-items: center;
  font-size: 0.78rem;
}

.footer-site-links a,
.footer-site-links button {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--text-muted);
  font: inherit;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--text-muted), transparent 62%);
  text-underline-offset: 0.18em;
}

.footer-site-links a:hover,
.footer-site-links button:hover {
  color: var(--accent);
  text-decoration-color: currentColor;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1rem 0 max(1.8rem, env(safe-area-inset-bottom));
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-inner p {
  margin: 0;
}

.privacy-page {
  max-width: 720px;
  margin-inline: auto;
  padding-block: clamp(1rem, 3vw, 2rem);
}

.privacy-updated {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.markdown-body :is(h1, h2, h3, h4, h5, h6) {
  line-height: 1.2;
  margin-top: 1.6em;
  margin-bottom: 0.5em;
}

.hero > .markdown-body > :first-child {
  margin-top: 0;
}

.home-subtitle {
  font-style: italic;
}

.markdown-body p,
.markdown-body ul,
.markdown-body ol,
.markdown-body blockquote {
  margin-top: 0.7em;
  margin-bottom: 0.7em;
}

.markdown-body a {
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.markdown-body blockquote {
  border-left: 4px solid var(--line);
  margin-left: 0;
  padding-left: 1rem;
  color: var(--text-muted);
}

.markdown-body table {
  width: 100%;
  margin: 1rem 0;
  border-collapse: collapse;
  border: 1px solid var(--line);
  background: var(--surface);
  font-size: 0.95rem;
}

.markdown-body th,
.markdown-body td {
  border: 1px solid var(--line);
  padding: 0.55rem 0.7rem;
  text-align: left;
  vertical-align: top;
}

.markdown-body th {
  background: var(--surface-muted);
  color: var(--text);
  font-weight: 700;
}

.markdown-body tr:nth-child(even) td {
  background: color-mix(in srgb, var(--surface-muted), transparent 58%);
}

.markdown-body hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 1.5rem 0;
  opacity: 0.35;
}

@media (max-width: 840px) {
  .home-latest-section {
    order: 0;
  }

  .home-latest-section .section-title {
    margin-top: 0;
  }

  .home-content > .home-intro {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
  }

  .home-intro > .hero {
    order: 0;
  }

  .home-intro > .favorite-rail {
    order: 1;
    position: static;
    width: 100%;
    max-height: none;
    margin-bottom: 0;
    box-shadow: none;
  }

  .home-intro > .home-right-rail {
    order: 2;
    display: block;
  }

  .useful-info-card {
    display: block;
    width: 100%;
    margin: 0;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    white-space: normal;
  }

  .useful-info-block {
    display: block;
    margin-top: 0.75rem;
  }

  .useful-info-rate-list {
    display: grid;
    gap: 0.35rem;
  }

  .hero {
    grid-template-columns: 1fr;
  }

  .favorite-disclosure {
    padding: 0.75rem 0.85rem;
  }

  .header-inner {
    position: relative;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-between;
    padding-block: 0.8rem;
  }

  .menu-toggle {
    display: inline-flex;
    margin-left: auto;
    min-height: 44px;
  }

  .header-controls {
    position: absolute;
    top: calc(100% + 0.45rem);
    right: 0;
    display: none;
    width: min(12rem, calc(100vw - 2rem));
    align-items: flex-start;
    flex-direction: row;
    gap: 0.25rem;
    padding: 0.5rem;
    background: color-mix(in srgb, var(--surface), var(--bg) 6%);
    border: 1px solid var(--line);
    border-radius: 14px;
    box-shadow: 0 18px 36px color-mix(in srgb, var(--text), transparent 86%);
  }

  .site-header.menu-open .header-controls {
    display: flex;
  }

  .header-controls nav {
    flex: 1;
    min-width: 0;
    width: auto;
  }

  .nav-list {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
  }

  .nav-list a {
    width: 100%;
    min-height: 44px;
    align-items: center;
    justify-content: flex-start;
    font-size: 0.88rem;
    line-height: 1.25;
    border-radius: 10px;
    border-color: var(--line);
    background: var(--surface);
    padding: 0.5rem 0.6rem;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-links {
    width: 100%;
    align-items: flex-start;
    justify-content: flex-start;
    flex-direction: column;
    gap: 0.85rem;
  }

  .footer-site-links,
  .social-links {
    margin-left: 0;
    justify-content: flex-start;
  }

  .language-switch {
    align-self: flex-start;
  }

  .preference-controls {
    align-self: flex-start;
  }

  .header-controls .theme-toggle {
    width: 44px;
    height: 44px;
  }

  .nav-item--dropdown > .nav-dropdown {
    display: none;
  }

  .post-detail-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .post-body {
    padding: 1rem;
  }

  .post-body table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    overflow-wrap: normal;
  }

  .post-body th,
  .post-body td {
    min-width: 9rem;
  }

  .blog-search-input {
    min-height: 44px;
    font-size: 1rem;
    min-width: 0;
  }

  .blog-search-button,
  .blog-category-filter a {
    min-height: 44px;
  }

  .post-related {
    position: static;
  }

  .project-detail-header,
  .project-detail-layout {
    grid-template-columns: 1fr;
  }

  .project-detail-actions {
    justify-content: flex-start;
  }

  .project-summary-panel {
    position: static;
  }

  .project-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}