/* Migrated post stylesheet orchestrator. */
/* Shared site navigation for standalone blog articles. */
.article-shellbar {
  position: sticky;
  z-index: 1000;
  top: 0;
  min-height: 48px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid rgba(0, 0, 0, .28);
  background: rgba(230, 220, 210, .97);
  color: #111;
  font: 10px/1.4 'JetBrains Mono', 'Courier New', monospace;
  backdrop-filter: blur(8px);
}

.article-shellbar a { color: inherit; text-decoration: none; }
.article-shellbar__id { justify-self: start; white-space: nowrap; }
.article-shellbar__id b { color: #8b0000; }
.article-shellbar__id span { color: rgba(0, 0, 0, .48); }
.article-shellbar nav { display: flex; align-items: center; }
.article-shellbar nav a {
  padding: 4px 8px;
  border-bottom: 1px solid transparent;
  color: rgba(0, 0, 0, .52);
  letter-spacing: .04em;
  text-transform: uppercase;
}
.article-shellbar nav a:hover,
.article-shellbar nav a:focus-visible { border-bottom-color: #111; color: #111; outline: 0; }
.article-shellbar nav a[aria-current="page"] { border-bottom-color: #8b0000; color: #8b0000; }
.article-shellbar__divider { color: rgba(0, 0, 0, .18); }
.article-shellbar a.article-shellbar__status { justify-self: end; color: rgba(0, 0, 0, .48); white-space: nowrap; }
.article-shellbar__status span { margin-right: 7px; color: #0f692f; }

body:not(.migrated-post) > .article-shellbar {
  margin-top: -48px;
  margin-bottom: 48px;
}

@media (max-width: 760px) {
  .article-shellbar {
    min-height: 48px;
    padding: 8px 12px 7px;
    grid-template-columns: 1fr auto;
  }
  .article-shellbar__status { display: none; }
  .article-shellbar nav {
    grid-column: 1 / -1;
    width: 100%;
    margin-top: 6px;
    overflow-x: auto;
    border-top: 1px solid rgba(0, 0, 0, .12);
    white-space: nowrap;
    scrollbar-width: thin;
  }
  .article-shellbar nav a { padding: 7px 7px 4px; }
  .article-shellbar nav a:first-child { padding-left: 0; }
  body:not(.migrated-post) > .article-shellbar {
    margin-top: -8px;
    margin-bottom: 8px;
  }
}

html{scroll-behavior:smooth}
body.migrated-post{margin:0;background:var(--atlas-bg);color:var(--atlas-ink)}
.seo-heading{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.post-shell{width:min(980px,calc(100% - 32px));margin:32px auto 72px}
.post-header{padding:26px 30px;border:1px solid var(--atlas-border);border-bottom:0;background:rgba(230,220,210,.96)}
.post-path{margin:0 0 12px;color:var(--atlas-ink-muted);font:10px var(--atlas-font-mono);text-transform:uppercase}
.post-header h1{max-width:820px;margin:0 0 14px;font-size:clamp(26px,5vw,44px);line-height:1.08}
.post-summary{max-width:760px;margin:0;color:var(--atlas-ink-soft);font-size:12px;line-height:1.7}
.post-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.post-meta span{padding:4px 7px;border:1px solid var(--atlas-border);font:9px var(--atlas-font-mono);text-transform:uppercase}
.migrated-post .atlas-container{border:1px solid var(--atlas-border);background:rgba(230,220,210,.96)}
.migrated-post .content-block{padding:30px}
.migrated-post .content-block>h2:not(:first-child){margin-top:42px}
.migrated-post .content-block>h3{margin-top:30px}
.migrated-post .content-block a:not(.atlas-btn){color:#0000aa;text-decoration-thickness:1px;text-underline-offset:3px}
.migrated-post .content-block blockquote{margin:24px 0;padding:12px 16px;border-left:4px solid var(--atlas-ink-muted);background:var(--atlas-bg-alt)}
.migrated-post .content-block pre{overflow:auto;padding:16px;border:1px solid var(--atlas-border);background:rgba(0,0,0,.04);font:12px/1.6 var(--atlas-font-mono)}
.migrated-post .content-block table{display:block;overflow-x:auto;margin:24px 0;border-collapse:collapse}
.migrated-post .content-block th,.migrated-post .content-block td{padding:8px 10px;border:1px solid var(--atlas-border);vertical-align:top}
.migrated-post .content-block th{background:rgba(0,0,0,.04);text-align:left}
.migrated-post .content-block .media-frame img,.migrated-post .content-block .media-frame video{max-height:680px;object-fit:contain;background:#111}
.post-end{width:auto;min-height:0;margin:0;display:flex;justify-content:space-between;gap:16px;padding:15px 30px;border:1px solid var(--atlas-border);border-top:0;font:9px var(--atlas-font-mono);text-transform:uppercase}
.post-end a{color:inherit}
@media(max-width:640px){.post-shell{width:min(100% - 16px,980px);margin-top:8px}.post-header,.migrated-post .content-block{padding:20px}.post-end{padding-inline:20px}}

/* Shared shell for long-form records: project case studies and Atlas notes.
   Content components stay specialised; the page chrome and reading rhythm do not. */
:root {
  --record-paper: #eee7df;
  --record-border: rgba(10, 10, 10, .28);
  --record-line: rgba(10, 10, 10, .12);
  --record-muted: rgba(10, 10, 10, .55);
  --record-blue: #0000aa;
}

/* Legacy posts use their own header class, but it deliberately mirrors .shellbar. */
.article-shellbar {
  min-height: 40px;
  padding: 0 18px;
  border-bottom-color: var(--record-border);
  background: rgba(230, 220, 210, .97);
  color: #0a0a0a;
  font-size: 10px;
  backdrop-filter: none;
}
.article-shellbar__id b { color: #0a0a0a; }
.article-shellbar__id span,
.article-shellbar a.article-shellbar__status { color: var(--record-muted); }
.article-shellbar nav a {
  padding: 0 10px;
  border: 0;
  color: #1c1c1c;
  font-size: 9px;
  font-weight: 500;
}
.article-shellbar nav a:hover,
.article-shellbar nav a:focus-visible,
.article-shellbar nav a[aria-current="page"] {
  border: 0;
  background: rgba(0, 0, 170, .08);
  color: var(--record-blue);
}
.article-shellbar__divider { color: rgba(10, 10, 10, .20); }

/* The former iframe canvas becomes the same quiet paper document used by records. */
html:has(body.article-record-page:not(.migrated-post)) {
  background-color: #e6dcd2;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14'%3E%3Ccircle cx='1' cy='1' r='.7' fill='%23000' fill-opacity='.10'/%3E%3C/svg%3E");
  background-size: 14px 14px;
}
body.article-record-page:not(.migrated-post) { padding: 32px 0 64px; }
body.article-record-page:not(.migrated-post) > .atlas-container {
  width: min(920px, calc(100% - 48px));
  border-color: var(--record-border);
  background: var(--record-paper);
  box-shadow: none;
}
body.article-record-page:not(.migrated-post) > .atlas-container::before {
  height: 30px;
  padding: 0 18px;
  border-bottom-color: var(--record-border);
  background: rgba(10, 10, 10, .025);
  color: var(--record-muted);
  font-size: 8px;
  line-height: 30px;
}
body.article-record-page:not(.migrated-post) > .atlas-container > .content-block { padding-inline: var(--notebook-record-inset, 28px); }
body.article-record-page:not(.migrated-post) > .atlas-container #site-passport .passport-title-bar { border-bottom-color: var(--record-border); }

@media (max-width: 760px) {
  .article-shellbar { min-height: 40px; padding: 8px 12px 7px; }
  .article-shellbar nav a { padding: 7px 7px 4px; }
  body.article-record-page:not(.migrated-post) { padding: 10px 0 40px; }
  body.article-record-page:not(.migrated-post) > .atlas-container { width: calc(100% - 16px); }
  body.article-record-page:not(.migrated-post) > .atlas-container > .content-block { padding-inline: 18px; }
}

/* Long-form posts join the project-record layout after article-page.js builds its rails. */
body.article-record-page:not(.migrated-post) { min-height: 100vh; padding: 0 0 42px; }
.article-rail-title,
.article-meta-block > p,
.article-neighbours > p {
  margin: 0 0 8px;
  padding-bottom: 7px;
  border-bottom: 1px solid var(--record-border);
  color: #0a0a0a;
  font-weight: 700;
}
.article-outline li.article-outline--sub a { font-size: 9px; }
.article-outline li.article-outline--sub a b { padding-left: 10px; }
.article-index-link { display: inline-block; margin-top: 18px; padding-top: 10px; border-top: 1px solid var(--record-line); color: var(--record-blue); text-decoration: none; }
.article-main { min-width: 0; border-inline: 1px solid var(--record-line); background: var(--record-paper); }
.article-main > .atlas-container {
  width: 100%;
  margin: 0;
  overflow: clip;
  border: 0;
  background: var(--record-paper);
  box-shadow: none;
}
.article-main > .atlas-container::before {
  content: attr(data-document-path) "  [ DOCUMENT VIEW ]";
  display: block;
  height: 30px;
  padding: 0 18px;
  border-bottom: 1px solid var(--record-border);
  background: rgba(10, 10, 10, .025);
  color: var(--record-muted);
  font: 700 8px/30px 'JetBrains Mono', monospace;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.article-main > .atlas-container #site-passport {
  padding: 18px var(--notebook-record-inset, 28px) 0;
}
.article-main > .atlas-container > .content-block { padding-inline: var(--notebook-record-inset, 28px); }
.article-main > .post-shell { width: auto; margin: 0; }
.article-main .post-header { padding: 26px var(--notebook-record-inset, 28px); background: var(--record-paper); }
.article-main .post-header h1 { font-size: clamp(26px, 3.2vw, 34px); }
.article-main .content-block { background: var(--record-paper); }
.article-meta-block { margin-bottom: 18px; }
.article-meta-block dl { display: grid; grid-template-columns: 1fr 1fr; margin: 0; }
.article-meta-block dt,
.article-meta-block dd { margin: 0; padding: 4px 0; border-bottom: 1px dotted var(--record-line); }
.article-meta-block dd { color: #0a0a0a; text-align: right; }
.article-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.article-tags span { padding: 2px 4px; border: 1px solid var(--record-line); color: #0a0a0a; }
.article-neighbours { margin-top: 28px; }
.article-neighbours a { display: block; padding: 7px 0; border-bottom: 1px solid var(--record-line); color: #0a0a0a; text-decoration: none; }
.article-neighbours a:hover { color: var(--record-blue); }
.article-record-page .article-main #atlas-footer { width: auto; min-height: 0; margin: 24px 26px 28px; padding: 0; display: block; border: 1px solid var(--record-line); }
.atlas-local-footer { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.atlas-local-footer section { min-width: 0; padding: 11px 13px 12px; border-right: 1px solid var(--record-line); }
.atlas-local-footer section:last-child { border-right: 0; }
.atlas-local-footer p { margin: 0 0 7px; padding-bottom: 5px; border-bottom: 1px solid var(--record-line); color: var(--record-muted); font: 700 8px/1.4 'JetBrains Mono', monospace; letter-spacing: .06em; }
.atlas-local-footer a { display: block; overflow-wrap: anywhere; padding: 3px 0; color: #0a0a0a; font: 9px/1.45 'JetBrains Mono', monospace; text-decoration: none; }
.atlas-local-footer a:hover { color: var(--record-blue); }
.article-site-footer {
  width: min(1360px, calc(100vw - 36px));
  min-height: 55px;
  margin: 0 auto;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  align-items: center;
  border: 0;
  border-top: 1px solid var(--record-border);
  background: transparent;
  color: var(--record-muted);
  font: 8px/1.4 'JetBrains Mono', monospace;
}
.article-site-footer a { justify-self: end; color: #0a0a0a; text-decoration: underline; text-underline-offset: 2px; }
.article-site-footer a:hover { color: var(--record-blue); }

/* Shared article afterword: social distribution and automatic discovery. */
.article-afterword {
  margin: 42px 26px 0;
  padding-top: 18px;
  color: #0a0a0a;
  font: 10px/1.5 'JetBrains Mono', monospace;
}
.article-end-marker {
  display: grid;
  grid-template-columns: minmax(24px, 1fr) auto minmax(24px, 1fr);
  gap: 12px;
  align-items: center;
  margin-bottom: 20px;
  color: var(--record-muted);
}
.article-end-marker span { height: 1px; background: var(--record-border); }
.article-end-marker strong { color: var(--record-blue); font-size: 8px; font-weight: 700; letter-spacing: .08em; }
.article-afterword__header {
  min-height: 30px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--record-line);
}
.article-afterword__header span { color: var(--record-muted); font-size: 8px; letter-spacing: .06em; }
.article-afterword__header strong { font-size: 11px; }
.article-share__links { display: flex; flex-wrap: wrap; gap: 8px; padding: 12px 0 24px; }
.article-share__links a {
  padding: 5px 9px;
  border: 1px solid var(--record-border);
  background: transparent;
  color: #0a0a0a;
  text-decoration: none;
}
.article-share__links a::before { content: '['; color: var(--record-muted); }
.article-share__links a::after { content: ']'; color: var(--record-muted); }
.article-share__links a:hover,
.article-share__links a:focus-visible {
  border-color: #008181;
  background: #008181;
  color: #fff;
  outline: 0;
}
.article-share__links a:hover::before,
.article-share__links a:hover::after,
.article-share__links a:focus-visible::before,
.article-share__links a:focus-visible::after { color: #fff; }
.article-related { margin-top: 4px; }
.article-related__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--record-line);
  border-left: 1px solid var(--record-line);
}
.article-related-card {
  min-width: 0;
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  grid-template-rows: minmax(104px, auto);
  border-right: 1px solid var(--record-line);
  border-bottom: 1px solid var(--record-line);
  color: #0a0a0a;
  text-decoration: none;
}
.article-related-card__media {
  display: grid;
  place-items: center;
  min-width: 0;
  overflow: hidden;
  border-right: 1px solid var(--record-line);
  background: rgba(10, 10, 10, .035);
  color: var(--record-muted);
  font-size: 8px;
}
.article-related-card__media img { display: block; width: 100%; height: 100%; object-fit: cover; }
.article-related-card__body { display: flex; min-width: 0; flex-direction: column; padding: 9px 10px; }
.article-related-card__body small { color: var(--record-muted); font-size: 8px; text-transform: uppercase; }
.article-related-card__body strong { margin: 4px 0; font-size: 10px; line-height: 1.35; }
.article-related-card__body > span { display: -webkit-box; overflow: hidden; color: var(--record-muted); font-size: 8px; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.article-related-card__body i { margin-top: auto; padding-top: 6px; color: var(--record-blue); font-size: 8px; font-style: normal; }
.article-related-card:hover,
.article-related-card:focus-visible { background: rgba(0, 129, 129, .08); outline: 1px solid #008181; outline-offset: -1px; }
.article-function-bar { grid-template-columns: repeat(8, minmax(0, 1fr)); }

@media (max-width: 760px) {
  .article-main { border: 1px solid var(--record-line); }
  .article-main > .atlas-container #site-passport { padding: 14px 18px 0; }
  .article-main > .atlas-container > .content-block,
  .article-main .post-header { padding-inline: 18px; }
  .article-record-page .article-main #atlas-footer { margin-inline: 18px; }
  .article-afterword { margin-inline: 18px; }
  .article-related__grid { grid-template-columns: 1fr; }
  .article-related-card { grid-template-columns: 112px minmax(0, 1fr); grid-template-rows: minmax(118px, auto); }
  .atlas-local-footer { grid-template-columns: 1fr; }
  .atlas-local-footer section { border-right: 0; border-bottom: 1px solid var(--record-line); }
  .atlas-local-footer section:last-child { border-bottom: 0; }
  .article-site-footer { width: calc(100vw - 20px); grid-template-columns: 1fr auto; }
  .article-site-footer span:nth-child(2) { display: none; }
}


/* Canonical support for the ShaderLab series' technical diagrams. */
.atlas-series-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: var(--atlas-space-md);
  border: 1px solid var(--atlas-border);
}
.atlas-series-nav > span {
  grid-column: 1 / -1;
  padding: 7px 10px;
  border-bottom: 1px solid var(--atlas-border);
  color: var(--atlas-muted);
  font-size: var(--fs-meta);
  letter-spacing: .06em;
}
.atlas-series-nav a {
  padding: 9px 10px;
  border-right: 1px solid var(--atlas-border);
  color: var(--atlas-ink);
  font-size: var(--fs-meta);
  line-height: 1.45;
  text-decoration: none;
}
.atlas-series-nav a:last-child { border-right: 0; }
.atlas-series-nav a:hover,
.atlas-series-nav a[aria-current="page"] { background: rgba(0, 0, 170, .08); color: var(--atlas-accent); }

.atlas-container .content-block .atlas-notice {
  margin-block: var(--atlas-space-md);
  padding: var(--atlas-space-sm);
  border: 1px solid var(--atlas-border);
  border-left: 4px solid var(--atlas-warn);
  background: var(--atlas-bg-raised);
}
.atlas-container .content-block .atlas-notice__header {
  display: block;
  margin-bottom: 8px;
  color: var(--atlas-warn);
  font-size: var(--fs-meta);
  font-weight: 700;
}
.atlas-container .content-block .atlas-notice > :last-child { margin-bottom: 0; }

.atlas-container .content-block .atlas-compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-block: var(--atlas-space-md);
  border: 1px solid var(--atlas-border);
}
.atlas-compare-blueprint-nodes,
.atlas-compare__divider { display: none; }
.atlas-compare__block,
.atlas-compare__column { min-width: 0; padding: 12px; border-right: 1px solid var(--atlas-border); }
.atlas-compare__block:last-child,
.atlas-compare__column:last-child { border-right: 0; }
.atlas-compare__tag,
.atlas-compare__badge { margin-bottom: 8px; color: var(--atlas-muted); font-size: var(--fs-meta); }
.atlas-compare__concept { display: block; margin: 0 0 8px; color: var(--atlas-ink); font-size: var(--fs-h3); font-weight: 700; }
.atlas-compare__description,
.atlas-compare__content { color: var(--atlas-ink-soft); font-size: var(--fs-body); line-height: 1.65; }
.atlas-compare__content p { margin: 0; }

.atlas-pipeline-stack,
.atlas-data-flow { margin-block: var(--atlas-space-md); padding: 12px; border: 1px solid var(--atlas-border); }
.atlas-pipeline-step { display: grid; grid-template-columns: minmax(130px, .35fr) 1fr; gap: 12px; padding: 8px 0; border-bottom: 1px dotted var(--atlas-border); }
.atlas-pipeline-step:last-child { border-bottom: 0; }
.atlas-pipeline-step strong { color: var(--atlas-accent); }
.atlas-pipeline-arrow { height: 8px; border-left: 1px solid var(--atlas-border); margin-left: 10px; }
.atlas-flow-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.atlas-flow-row + .atlas-flow-row { margin-top: 10px; }
.atlas-flow-node { flex: 1 1 100px; min-width: 90px; padding: 8px; border: 1px solid var(--atlas-border); text-align: center; }
.atlas-flow-connector { flex: 0 0 18px; height: 1px; background: var(--atlas-border); }
.atlas-flow-sub-info { color: var(--atlas-muted); font-size: var(--fs-meta); }

.atlas-container .content-block table.atlas-table { width: 100%; margin-block: var(--atlas-space-md); }
.atlas-container .content-block .media-frame > img { display: block; width: 100%; height: auto; object-fit: contain; }
.atlas-container .content-block .media-caption { display: block; padding: 8px 10px; border-top: 1px solid var(--atlas-border); color: var(--atlas-muted); font-size: var(--fs-meta); }
.atlas-param { padding: 1px 4px; border: 1px solid var(--atlas-border); color: var(--atlas-accent); }
.atlas-references-list { margin-block: var(--atlas-space-md); padding: 0; border: 1px solid var(--atlas-border); list-style: none; }
.atlas-references-list li { padding: 10px 12px; border-bottom: 1px solid var(--atlas-border); }
.atlas-references-list li:last-child { border-bottom: 0; }
.atlas-references-list a { overflow-wrap: anywhere; }

@media (max-width: 760px) {
  .atlas-series-nav { grid-template-columns: 1fr 1fr; }
  .atlas-series-nav a { border-bottom: 1px solid var(--atlas-border); }
  .atlas-series-nav a:nth-of-type(2n) { border-right: 0; }
  .atlas-compare { grid-template-columns: 1fr; }
  .atlas-compare__block,
  .atlas-compare__column { border-right: 0; border-bottom: 1px solid var(--atlas-border); }
  .atlas-compare__block:last-child,
  .atlas-compare__column:last-child { border-bottom: 0; }
}