:root {
  color-scheme: light;
  --bg: #f7f8f4;
  --ink: #1f1d1a;
  --muted: #5d5953;
  --accent: #23636b;
  --accent-soft: rgba(35, 99, 107, 0.12);
  --border: rgba(31, 29, 26, 0.12);
  --code-bg: rgba(31, 29, 26, 0.08);
  --mono: "IBM Plex Mono", monospace;
  --sans: "Space Grotesk", sans-serif;
  --serif: "STIX Two Text", serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--serif);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.frame {
  max-width: 840px;
  margin: 0 auto;
  padding: 56px 24px 72px;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  margin-bottom: 56px;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.brand-link {
  font-family: var(--sans);
  font-size: 1.35rem;
  text-decoration: none;
  letter-spacing: 0;
}

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

.brand-meta {
  color: var(--muted);
  font-size: 0.95rem;
}

.nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0;
}

.nav-link {
  text-decoration: none;
  color: var(--muted);
}

.nav-link:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.main {
  min-height: 60vh;
}

.intro {
  margin-bottom: 56px;
  animation: fade-up 0.6s ease both;
}

.intro-kicker {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0;
  color: var(--accent);
  margin-bottom: 12px;
}

.intro h1 {
  font-family: var(--sans);
  font-size: 2.15rem;
  line-height: 1.2;
  margin: 0 0 12px;
  max-width: 720px;
}

.intro-copy {
  margin: 0;
  color: var(--muted);
  max-width: 640px;
  font-size: 1.08rem;
}

.post-list {
  margin-top: 48px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 18px;
  font-family: var(--sans);
}

.section-header h2 {
  margin: 0;
  font-size: 1.2rem;
}

.section-header span {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0;
}

.post-listing {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 24px;
}

.post-item {
  display: grid;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  animation: fade-up 0.6s ease both;
}

.post-item.has-thumb {
  grid-template-columns: 96px 1fr;
  align-items: start;
}

.post-thumb {
  width: 96px;
  height: 72px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--accent-soft);
  display: block;
}

.post-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.post-item-body {
  min-width: 0;
}

.post-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.post-link {
  font-family: var(--sans);
  font-size: 1.25rem;
  display: inline-block;
  text-decoration: none;
  color: var(--ink);
}

.post-link:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.post-item-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0;
}

.post-item-divider {
  opacity: 0.6;
}

.post-item-category {
  color: inherit;
  text-decoration: none;
}

.post-item-category:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.post-item-summary {
  margin: 8px 0 0;
  color: var(--muted);
}

.draft-pill {
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(31, 29, 26, 0.08);
  font-size: 0.65rem;
  letter-spacing: 0;
  text-transform: uppercase;
  font-family: var(--mono);
  color: var(--muted);
}

.post {
  animation: fade-up 0.5s ease both;
}

.draft-banner {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(31, 29, 26, 0.08);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0;
  margin-bottom: 14px;
}

.post-title {
  font-family: var(--sans);
  font-size: 2.35rem;
  margin: 12px 0 10px;
  line-height: 1.2;
}

.post-meta {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0 0 18px;
  text-transform: uppercase;
  letter-spacing: 0;
}

.post-meta-sep {
  margin: 0 6px;
}

.post-updated {
  margin-top: -8px;
}

.back-link {
  display: inline-block;
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: 0.75rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0;
  color: var(--muted);
}

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

.prose {
  font-size: 1.02rem;
  overflow-wrap: anywhere;
}

.prose img,
.prose video {
  max-width: 100%;
  max-height: 70vh;
  width: auto;
  height: auto;
  display: block;
  border-radius: 10px;
}

.prose img {
  cursor: zoom-in;
}

.prose iframe {
  max-width: 100%;
  width: 100%;
}

.prose a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.prose h2,
.prose h3,
.prose h4 {
  font-family: var(--sans);
  margin-top: 32px;
  line-height: 1.2;
}

.header-anchor {
  margin-left: 6px;
  text-decoration: none;
  color: var(--muted);
  opacity: 0.5;
}

.header-anchor:hover {
  opacity: 1;
}

.prose pre {
  margin: 24px 0;
  background: #1c1c1a;
  color: #f4f1ea;
  padding: 18px;
  border-radius: 10px;
  overflow-x: auto;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.prose code {
  font-family: var(--mono);
  font-size: 0.92em;
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 6px;
}

.prose pre code {
  background: transparent;
  padding: 0;
  border-radius: 0;
}

.prose blockquote {
  margin: 24px 0;
  padding: 0 0 0 18px;
  border-left: 2px solid var(--border);
  color: var(--muted);
}

.prose figure {
  margin: 24px 0;
}

.prose figcaption {
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--muted);
}

.prose table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
}

.prose th,
.prose td {
  padding: 8px 10px;
  border: 1px solid var(--border);
}

.prose details {
  background: rgba(178, 76, 31, 0.08);
  padding: 14px 18px;
  border-radius: 10px;
  margin: 20px 0;
}

.prose summary {
  cursor: pointer;
  font-family: var(--sans);
}

.code-block,
.mermaid-block {
  margin: 26px 0;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}

.code-block {
  background: #1c1f26;
  box-shadow: 0 14px 30px rgba(15, 18, 22, 0.22);
}

.code-block__label {
  display: none;
}

.code-block pre {
  margin: 0;
  padding: 14px 16px;
  background: transparent;
  color: #e6edf3;
  border: 0;
  border-radius: 0;
}

.code-block code.hljs {
  display: block;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.55;
  white-space: pre;
  background: transparent !important;
  padding: 0;
}

.code-block code.hljs.has-line-numbers {
  white-space: normal;
}

.code-block .code-line {
  position: relative;
  display: block;
  white-space: pre;
  padding-left: 3rem;
}

.code-block .code-line::before {
  content: attr(data-line);
  position: absolute;
  left: 0;
  width: 2.2rem;
  text-align: right;
  color: rgba(230, 237, 243, 0.42);
  user-select: none;
}

.mermaid-block {
  background: rgba(255, 255, 255, 0.82);
}

.mermaid-block .code-block__label {
  color: var(--muted);
  background: rgba(31, 29, 26, 0.05);
  border-bottom: 1px solid var(--border);
}

.mermaid-block pre.mermaid {
  margin: 0;
  padding: 16px;
  background: transparent;
  color: var(--ink);
  border: 0;
  border-radius: 0;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.45;
  white-space: pre;
}

.mermaid-block svg {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
}

.mermaid--error {
  color: #8f2e12;
  border: 1px dashed rgba(178, 76, 31, 0.36);
  background: rgba(178, 76, 31, 0.08);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.gallery-grid a {
  display: block;
}

.image-pair {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.image-card {
  display: block;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 12px 24px rgba(31, 29, 26, 0.08);
  text-decoration: none;
}

.image-card img {
  width: 100%;
  height: auto;
  max-height: 220px;
  object-fit: contain;
  border-radius: 12px;
  display: block;
}

body.lightbox-open {
  overflow: hidden;
}

.lightbox {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(18, 16, 22, 0.78);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 999;
}

.lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox__backdrop {
  position: absolute;
  inset: 0;
}

.lightbox__content {
  position: relative;
  background: #ffffff;
  border-radius: 18px;
  padding: 16px;
  max-width: min(980px, 92vw);
  max-height: 92vh;
  width: 100%;
  box-shadow: 0 30px 60px rgba(31, 29, 26, 0.22);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.lightbox__toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.lightbox__actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.lightbox__counter {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--muted);
}

.lightbox__nav,
.lightbox__close {
  border: 1px solid var(--border);
  background: var(--accent-soft);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
}

.lightbox__nav:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.lightbox__img {
  max-width: 100%;
  max-height: 70vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #ffffff;
}

.lightbox__caption {
  font-size: 0.85rem;
  color: var(--muted);
}

.lightbox__thumbs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.lightbox__thumb {
  border: 1px solid var(--border);
  background: #ffffff;
  padding: 4px;
  border-radius: 10px;
  cursor: pointer;
  flex: 0 0 auto;
}

.lightbox__thumb img {
  display: block;
  height: 56px;
  width: auto;
  border-radius: 8px;
}

.lightbox__thumb.is-active {
  border-color: var(--accent);
  box-shadow: 0 10px 20px rgba(178, 76, 31, 0.2);
}

.post-taxonomy {
  margin-top: 24px;
  display: grid;
  gap: 12px;
}

.tax-group {
  display: grid;
  gap: 8px;
}

.tax-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--muted);
}

.tax-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  font-size: 0.75rem;
}

.pill-link {
  text-decoration: none;
  color: inherit;
}

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

.category-list {
  margin-top: 48px;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.category-card {
  display: grid;
  gap: 6px;
  padding: 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.6);
}

.category-card:hover {
  border-color: rgba(178, 76, 31, 0.5);
  box-shadow: 0 12px 30px rgba(31, 29, 26, 0.08);
}

.category-title {
  font-family: var(--sans);
  font-size: 1.05rem;
}

.category-count {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0;
}

.category-hero {
  margin-bottom: 32px;
}

.primary-link {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-family: var(--sans);
}

.site-footer {
  margin-top: 72px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.site-footer a {
  color: var(--muted);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-sep {
  opacity: 0.5;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 720px) {
  .frame {
    padding: 28px 16px 56px;
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 36px;
  }

  .nav {
    width: 100%;
    gap: 8px 14px;
    font-size: 0.76rem;
  }

  .nav-link {
    padding: 6px 0;
  }

  .brand-link {
    font-size: 1.2rem;
  }

  .brand-meta {
    font-size: 0.9rem;
    line-height: 1.45;
  }

  .intro {
    margin-bottom: 34px;
  }

  .intro h1 {
    font-size: 1.65rem;
  }

  .intro-copy {
    font-size: 1rem;
    line-height: 1.65;
  }

  .section-header {
    align-items: flex-start;
    gap: 4px;
  }

  .post-link {
    font-size: 1.08rem;
  }

  .post-listing {
    gap: 18px;
  }

  .post-item.has-thumb {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 12px;
  }

  .post-thumb {
    width: 76px;
    height: 58px;
    border-radius: 8px;
  }

  .post-item-meta {
    gap: 6px;
    font-size: 0.7rem;
  }

  .post-item-summary {
    font-size: 0.95rem;
    line-height: 1.55;
  }

  .post-title {
    font-size: 1.75rem;
  }

  .prose {
    font-size: 1rem;
    line-height: 1.72;
  }

  .code-block,
  .mermaid-block,
  .prose pre {
    border-radius: 8px;
    margin-left: -4px;
    margin-right: -4px;
  }

  .lightbox {
    padding: 12px;
  }

  .lightbox__content {
    max-width: 96vw;
    padding: 10px;
    border-radius: 12px;
  }
}

@media (max-width: 420px) {
  .frame {
    padding-left: 14px;
    padding-right: 14px;
  }

  .nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px 12px;
  }

  .post-item.has-thumb {
    grid-template-columns: 64px minmax(0, 1fr);
  }

  .post-thumb {
    width: 64px;
    height: 50px;
  }
}