@font-face {
  font-family: "Atkinson Hyperlegible Next";
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url("/media/fonts/atkinson-hyperlegible-next-latin-wght-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Atkinson Hyperlegible Next";
  font-style: italic;
  font-weight: 200 800;
  font-display: swap;
  src: url("/media/fonts/atkinson-hyperlegible-next-latin-wght-italic.woff2") format("woff2");
}

/* Shared rules. See DESIGN.md for the roles and when to use them. */
:root {
  --font: "Atkinson Hyperlegible Next", system-ui, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Consolas, monospace;
  color-scheme: light dark;
  --paper: light-dark(#f5f5f0, #041a32);
  --ink: light-dark(#10253b, #e8eef6);
  --blue: light-dark(#2355ed, #8fbcef);
  --action: #2355ed;
  --action-hover: light-dark(#10253b, #1a3fb0);
  --muted: light-dark(#586571, #93a3b8);
  --line: light-dark(#cfd4d5, #1f3a5a);
  --wash: light-dark(#e4e7e4, #0a2441);
  --surface: light-dark(#10253b, #020f1f);
  --selected: light-dark(#10253b, #0f3a6b);
  --on-surface: light-dark(#f5f5f0, #e8eef6);
  --white: #fff;
  --on-dark-muted: #b8c3ce;
  --on-dark-link: #86a6ff;
  --on-dark-line: #425467;
  --overlay: rgb(16 37 59 / .35);
  --text-display: clamp(58px, 6.8vw, 96px);
  --text-page: clamp(44px, 5.4vw, 72px);
  --text-section: clamp(32px, 3.2vw, 44px);
  --text-entry: clamp(24px, 2.2vw, 28px);
  --text-body: 18px;
  --text-small: 14px;
  --text-control: 16px;
  --leading-body: 1.6;
  --leading-title: 1.12;
  --weight-heading: 550;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 96px;
  --gutter: clamp(24px, 4vw, 64px);
  --site-width: 1280px;
  --reading-width: 760px;
  --icon-size: 80px;
}

/* The device setting decides; the header button overrides it and is remembered. */
:root[data-theme="light"] { color-scheme: light; }
:root[data-theme="dark"] { color-scheme: dark; }

/* Base typography and interactions. */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: var(--text-body)/var(--leading-body) var(--font); -webkit-font-smoothing: antialiased; }
::selection { background: var(--action); color: var(--white); }
a { color: var(--blue); text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible, .table-scroll:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
button, input { font: inherit; }
h1, h2, h3, h4 { font-family: var(--font); font-weight: var(--weight-heading); color: var(--ink); line-height: var(--leading-title); letter-spacing: -.025em; }
h1 { font-size: var(--text-page); margin: 0 0 var(--space-4); }
h2 { font-size: var(--text-section); margin: var(--space-6) 0 var(--space-3); }
h3 { font-size: var(--text-entry); margin: var(--space-5) 0 var(--space-2); }
h4 { font-size: 20px; margin: var(--space-4) 0 var(--space-2); }
p { margin: 0 0 var(--space-3); }
li { margin-bottom: var(--space-1); }
hr { border: 0; border-top: 1px solid var(--line); margin: var(--space-5) 0; }
small, figcaption, .caption, .meta, .post-date { font-size: var(--text-small); line-height: 1.5; color: var(--muted); }
.entry-title, .post .entry-title, .resource-card .entry-title { font-size: var(--text-entry); font-weight: var(--weight-heading); line-height: 1.2; margin: 0 0 var(--space-2); }
.entry-title a { color: var(--ink); text-decoration: none; }
.entry-title a:hover, .entry-title a:focus-visible { color: var(--blue); text-decoration: underline; }
.sr-only, .skip-link:not(:focus) { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip-link:focus { position: fixed; top: var(--space-2); left: var(--space-2); z-index: 100; background: var(--paper); padding: var(--space-2) var(--space-3); }

/* Shared frame. */
.site-header { display: flex; align-items: center; gap: var(--space-4); width: calc(100% - var(--gutter) * 2); max-width: var(--site-width); margin: auto; padding: var(--space-3) 0; background: var(--paper); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: var(--space-2); color: var(--ink); font-size: 28px; font-weight: 700; letter-spacing: -.02em; white-space: nowrap; text-decoration: none; }
.site-header .brand img { display: block; width: 40px; height: 40px; box-shadow: none; filter: none; background: transparent; border: 0; }
.site-nav { display: flex; gap: var(--space-4); margin-left: auto; }
.site-nav a { color: var(--ink); font-size: var(--text-control); padding: var(--space-1) 0; white-space: nowrap; text-decoration: none; }
.site-nav a[aria-current], .site-nav a:hover { text-decoration: underline; text-decoration-color: var(--blue); text-decoration-thickness: 2px; }
.nav-download { display: inline-flex; gap: var(--space-3); align-items: center; min-height: 48px; border: 1px solid var(--ink); padding: var(--space-1) var(--space-2); color: var(--ink); font-size: var(--text-control); text-decoration: none; }
.nav-download:hover { background: var(--ink); color: var(--paper); text-decoration: none; }
#content.container { width: calc(100% - var(--gutter) * 2); max-width: var(--site-width); margin: 0 auto; padding: var(--space-6) 0; background: none; box-shadow: none; border-radius: 0; }
#content:focus { outline: none; }
#content.container::after { content: none; }
#content h1 { border: 0; font-size: var(--text-page); font-weight: var(--weight-heading); }
#content img { display: block; max-width: 100%; height: auto; margin: var(--space-3) auto; border: 0; box-shadow: none; }
#content img + small { margin: var(--space-2) auto var(--space-4); text-shadow: none; font-size: var(--text-small); }
#content video, #content iframe { max-width: 100%; }
#content pre { max-width: 100%; overflow-x: auto; padding: var(--space-3); background: var(--wash); border: 1px solid var(--line); border-radius: 0; box-shadow: none; font: 16px/1.6 var(--mono); }
#content pre code { font: inherit; }
#content table { max-width: 100%; border-collapse: collapse; }
#content td, #content th { border-bottom: 1px solid var(--line); padding: var(--space-2); }
.action-primary, .hero-button, .button, #download-table .button { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-4); min-height: 48px; margin: 0; padding: 12px var(--space-3); background: var(--action); color: var(--white); border: 0; border-radius: 0; box-shadow: none; text-shadow: none; text-decoration: none; font: 500 var(--text-control)/1.5 var(--font); }
.action-primary:hover, .hero-button:hover, .button:hover, #download-table .button:hover { background: var(--action-hover); color: var(--white); text-decoration: none; }
.text-link { color: var(--ink); font-size: var(--text-control); text-decoration: underline; border: 0; padding: 0; }
.text-link:hover { color: var(--blue); }

/* Repeated entries: tutorials, screencasts, blog posts and feature lists. */
.resource-grid, #content .posts, .operation-grid, .feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-5) var(--space-4); }
.resource-card, #content .posts .post { min-width: 0; float: none; width: auto; display: block; margin: 0; }
.resource-card p, .operation-grid p, .feature-grid p { margin: 0; font-size: var(--text-body); line-height: var(--leading-body); color: var(--muted); }
#content .resource-card .entry-icon, #content .operation-grid img { width: var(--icon-size); height: var(--icon-size); object-fit: contain; margin: 0 0 var(--space-3); }
.learning-links { margin: var(--space-5) 0 var(--space-6); }
.resource-image, .post-image { display: block; position: relative; overflow: hidden; margin: 0 0 var(--space-3); text-decoration: none; }
#content .resource-image img, #content .posts .post img { display: block; width: 100%; margin: 0; aspect-ratio: 2 / 1; object-fit: cover; }
.post-image { background: var(--wash); }
.post-image > span { position: absolute; right: 0; bottom: 0; display: grid; place-items: center; width: 32px; height: 32px; background: var(--ink); color: var(--paper); font-size: 24px; }
.post-date { margin: 0 0 var(--space-2); }

/* Homepage. The display heading and interactive artwork are the two exceptions
   to the ordinary page-title and image sizes. */
#home #content { padding-top: 0; padding-bottom: 0; }
.hero-layout { display: grid; grid-template-columns: 1fr 1.25fr; gap: var(--space-4); align-items: center; padding: var(--space-4) 0 var(--space-5); }
#content #hero-title { font-size: var(--text-display); font-weight: 600; line-height: 1; letter-spacing: -.035em; margin: 0 0 var(--space-4); }
#hero-title em { color: var(--blue); font-style: normal; }
.hero-intro > p { max-width: 44ch; font-size: var(--text-body); }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-3); }
.artwork-stage { width: 100%; aspect-ratio: 8 / 7; }
#content .artwork-stage img, .artwork-stage svg { display: block; width: 100%; height: 100%; margin: 0; }
.artwork-controls { display: flex; align-items: center; gap: var(--space-2); margin: var(--space-2) 0 0; color: var(--muted); font-size: var(--text-small); }
.artwork-controls label, .artwork-controls a { white-space: nowrap; }
.artwork-controls input { flex: 1; min-width: 40px; height: 32px; accent-color: var(--blue); cursor: ew-resize; }
.artwork-controls output { min-width: 40px; text-align: right; font-variant-numeric: tabular-nums; }
.artwork-controls a { color: var(--ink); }
.section-shell { padding: var(--space-6) 0; border-top: 1px solid var(--line); }
.idea-heading { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); margin-bottom: var(--space-5); }
.idea-heading h2 { margin: 0; }
.idea-heading p { max-width: 50ch; margin: 0; }
.operation-grid > div { border-top: 1px solid var(--line); padding-top: var(--space-3); }
.operation-grid h3 { margin: 0 0 var(--space-2); }
.journal-heading { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-3); margin-bottom: var(--space-4); }
.journal-heading h2 { margin: 0; }
.community-section { display: grid; grid-template-columns: 1fr 2fr; align-items: center; gap: var(--space-6); }
.community-mark { align-self: stretch; display: grid; place-items: center; border-right: 1px solid var(--line); }
#content .community-mark img { width: 150px; height: 150px; margin: 0; }
.community-section h2 { margin: 0 0 var(--space-3); }
.community-section p { max-width: 50ch; }
.newsletter-section { display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); }
.newsletter-section h2 { margin: 0 0 var(--space-2); }
.newsletter-section p { margin: 0; }
.newsletter-section form { display: flex; align-items: stretch; width: 440px; max-width: 100%; }
.newsletter-section input[type=email] { min-width: 0; width: 100%; border: 1px solid var(--ink); border-radius: 0; background: transparent; color: var(--ink); font-size: var(--text-control); padding: 12px var(--space-2); }
.newsletter-section input[type=email]:focus { border-color: var(--blue); outline: 2px solid var(--blue); outline-offset: -2px; }
.newsletter-section button { border: 1px solid var(--ink); border-radius: 0; background: var(--ink); color: var(--paper); padding: 12px var(--space-3); font-size: var(--text-control); cursor: pointer; white-space: nowrap; }
.newsletter-section button:hover { background: var(--blue); border-color: var(--blue); }
.newsletter-section button:focus-visible { outline: 2px solid var(--paper); outline-offset: -4px; }
.newsletter-trap { position: absolute; left: -5000px; }

/* Documentation and reference share the same reading column and sidebar. */
#documentation #content { display: grid; grid-template-columns: minmax(0, 1fr) 240px; gap: var(--space-6); }
#documentation #content > article, #documentation #content > aside { min-width: 0; width: auto; float: none; padding: 0; margin: 0; }
#documentation #page-title { margin: 0 0 var(--space-4); }
.documentation-body, .page-body, .article-body { display: flow-root; max-width: var(--reading-width); overflow-wrap: break-word; }
.documentation-body > :first-child { margin-top: 0; }
.documentation-body table { display: block; overflow-x: auto; }
#documentation .sidebar { border-left: 1px solid var(--line); padding: var(--space-1) 0 0 var(--space-3); font-size: var(--text-small); }
#documentation .sidebar, #documentation .sidebar ul { list-style: none; margin: 0; }
#documentation .sidebar ul { padding: 0; }
#documentation .sidebar h3 { border: 0; margin: 0 0 var(--space-2); padding: 0; font-size: var(--text-control); font-weight: 600; letter-spacing: 0; }
#documentation .sidebar li li { padding: 0; margin: 0 0 var(--space-1); font-size: var(--text-small); line-height: 1.5; }
#documentation .sidebar a { color: var(--ink); text-decoration: none; }
#documentation .sidebar a:hover { color: var(--blue); text-decoration: underline; }
#documentation .sidebar li ul { margin-bottom: var(--space-4); }
#documentation .breadcrumbs { font-size: var(--text-small); margin-bottom: var(--space-4); }
#content img.node-icon { width: 26px; height: 26px; box-sizing: content-box; background: var(--surface); padding: var(--space-1); margin: 0 0 var(--space-3); }

/* Articles and other reading pages. */
.journal-page-heading { margin-bottom: var(--space-5); }
#content .journal-page-heading h1 { margin: 0 0 var(--space-3); }
.journal-page-heading p { max-width: var(--reading-width); color: var(--muted); }
.journal-article { max-width: 1100px; margin: auto; }
.article-heading { border-bottom: 1px solid var(--line); padding-bottom: var(--space-4); margin-bottom: var(--space-5); }
.article-back { font-size: var(--text-control); }
.article-heading .meta { margin: var(--space-3) 0 var(--space-2); }
#content .article-heading h1 { margin: 0; }
.article-body { margin: auto; }
.article-body video { display: block; width: 100%; margin: var(--space-4) 0 var(--space-2); }
#content .article-body img { margin: var(--space-4) auto var(--space-2); }
.article-end { display: flex; justify-content: space-between; gap: var(--space-3); border-top: 1px solid var(--line); margin-top: var(--space-6); padding-top: var(--space-3); font-size: var(--text-control); }
.page-heading h1 { margin-top: 0; }
.page-layout.has-aside { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: var(--space-5); }
.page-gallery { min-width: 0; }
.page-gallery figure { margin: 0 0 var(--space-4); }

/* Product and download pages use the same titles, entries and controls. */
.product-hero { display: grid; grid-template-columns: 1fr 280px; align-items: center; gap: var(--space-6); background: var(--surface); padding: var(--space-5); margin-bottom: var(--space-6); }
#content .product-hero h1 { margin: 0 0 var(--space-3); color: var(--on-surface); }
.product-hero p { max-width: 48ch; color: var(--on-surface); }
.product-hero .text-link { color: var(--on-surface); }
#content .product-hero .product-icon { width: 220px; height: auto; margin: 0 auto; }
.feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-bottom: var(--space-6); }
.feature-grid .resource-image { max-width: 100%; }
.product-notes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-5); }
.product-notes h2 { margin-top: 0; }
.product-notes p { max-width: 60ch; }
.table-scroll { max-width: 100%; overflow-x: auto; margin-bottom: var(--space-6); }
#download-table { width: 100%; min-width: 700px; margin: 0; font-size: var(--text-body); }
#download-table td, #download-table th { width: 25%; padding: var(--space-3) var(--space-2); }
#download-table td.version { padding-left: 0; padding-right: var(--space-3); white-space: normal; }
#download-table small { font-size: var(--text-small); font-weight: 400; font-style: normal; color: var(--muted); }
#download-table .highlight { background: var(--wash); }
#download-table .button { gap: var(--space-2); margin-bottom: var(--space-1); }
.download-learning h2 { margin-top: 0; }
.popup { position: fixed; z-index: 20; top: 50%; left: 50%; right: auto; bottom: auto; width: min(640px, calc(100% - 48px)); max-height: calc(100vh - 48px); overflow: auto; transform: translate(-50%, -50%); height: auto; margin: 0; padding: var(--space-4); background: var(--paper); color: var(--ink); font: inherit; border: 1px solid var(--ink); box-shadow: none; }
.popup::backdrop { background: var(--overlay); }
.popup h3 { margin-top: 0; padding-right: var(--space-5); }
.popup .close-button { position: absolute; top: var(--space-1); right: var(--space-1); width: 48px; height: 48px; padding: 0; text-align: center; background: var(--wash); color: var(--ink); border: 0; border-radius: 0; font-size: 24px; cursor: pointer; }

/* Compatibility for the old column markup still present in some documents. */
.container .columns, .container .column { margin-left: 12px; margin-right: 12px; }
.container .four.columns { width: calc(25% - 24px); }
.container .five.columns { width: calc(31.25% - 24px); }
.container .six.columns { width: calc(37.5% - 24px); }
.container .eight.columns { width: calc(50% - 24px); }
.container .ten.columns { width: calc(62.5% - 24px); }
.container .twelve.columns { width: calc(75% - 24px); }
.container .fourteen.columns { width: calc(87.5% - 24px); }
.container .sixteen.columns { width: calc(100% - 24px); }
#download #content > .columns { width: 100%; margin: 0; float: none; }

/* Shared footer. */
.site-footer { background: var(--surface); color: var(--on-surface); padding: var(--space-6) var(--gutter) var(--space-3); font-size: var(--text-small); }
.site-footer a { color: var(--on-surface); }
.footer-top, .footer-bottom { max-width: var(--site-width); margin: auto; }
.footer-top { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); padding-bottom: var(--space-6); }
.footer-invitation { font-size: var(--text-page); font-weight: var(--weight-heading); letter-spacing: -.025em; line-height: var(--leading-title); text-decoration: none; }
.footer-invitation span { color: var(--on-dark-link); }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); padding-top: var(--space-1); }
.footer-links h2 { font-size: var(--text-control); letter-spacing: 0; color: var(--on-dark-muted); margin: 0 0 var(--space-3); }
.footer-links a { display: block; margin-bottom: var(--space-1); font-size: var(--text-small); text-decoration: none; }
.footer-links a:hover { text-decoration: underline; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); border-top: 1px solid var(--on-dark-line); padding-top: var(--space-3); }
.footer-wordmark { font-weight: 700; font-size: 28px; letter-spacing: -.02em; text-decoration: none; }
.footer-bottom p { font-size: var(--text-small); color: var(--on-dark-muted); margin: 0; }

@media (max-width: 1050px) {
  :root { --text-display: clamp(48px, 7vw, 72px); }
  .site-header, .site-nav { gap: var(--space-3); }
  .artwork-controls { flex-wrap: wrap; gap: var(--space-1); }
  .artwork-controls a { flex-basis: 100%; text-align: right; }
  #documentation #content { grid-template-columns: minmax(0, 1fr) 200px; gap: var(--space-4); }
  .documentation-body .resource-grid { grid-template-columns: 1fr; }
  .documentation-body .learning-links .resource-card { display: grid; grid-template-columns: var(--icon-size) minmax(0, 1fr); column-gap: var(--space-3); }
  #content .documentation-body .learning-links .entry-icon { grid-row: 1 / 3; margin: 0; }
  .documentation-body .learning-links .entry-title, .documentation-body .learning-links p { grid-column: 2; }
  .documentation-body .screencasts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-top { grid-template-columns: .8fr 1.2fr; }
}
@media (max-width: 767px) {
  :root { --icon-size: 64px; --text-page: clamp(36px, 10.5vw, 44px); --text-display: clamp(50px, 12.5vw, 88px); }
  .site-header { flex-wrap: wrap; gap: var(--space-2); padding: var(--space-2) 0; }
  .brand { font-size: 24px; gap: var(--space-1); }
  .site-header .brand img { width: 32px; height: 32px; }
  .nav-download { margin-left: auto; padding: var(--space-1) 12px; gap: var(--space-2); font-size: var(--text-small); }
  .site-nav { order: 3; justify-content: space-between; width: 100%; margin: 0; gap: var(--space-2); }
  .site-nav a { font-size: var(--text-control); }
  #content.container { padding-top: var(--space-4); padding-bottom: var(--space-5); }
  .hero-layout { grid-template-columns: 1fr; gap: var(--space-3); padding: var(--space-4) 0; }
  .hero-actions { gap: var(--space-2) var(--space-3); }
  .hero-actions .action-primary { gap: var(--space-3); padding-left: var(--space-2); padding-right: var(--space-2); }
  .section-shell { padding: var(--space-5) 0; }
  .idea-heading, .editions, .community-section, .newsletter-section, .product-notes { display: grid; grid-template-columns: 1fr; gap: var(--space-4); }
  .resource-grid, #content .posts, .operation-grid, .feature-grid { grid-template-columns: 1fr; gap: var(--space-4); }
  .learning-links .resource-card, .operation-grid > div { display: grid; grid-template-columns: var(--icon-size) minmax(0, 1fr); column-gap: var(--space-3); }
  #content .learning-links .entry-icon, #content .operation-grid img { grid-row: 1 / 3; margin: 0; }
  .learning-links .entry-title, .learning-links p, .operation-grid h3, .operation-grid p { grid-column: 2; }
      .community-mark { display: none; }
  .newsletter-section form { width: 100%; }
  .newsletter-section button { padding-left: var(--space-2); padding-right: var(--space-2); }
  #documentation #content { display: block; }
  #documentation #content > aside { margin-top: var(--space-5); padding-top: var(--space-4); border-top: 1px solid var(--line); }
  #documentation .sidebar { border-left: 0; padding: 0; }
  .documentation-body .screencasts { grid-template-columns: 1fr; }
  .article-heading { margin-bottom: var(--space-4); }
  .article-end { flex-direction: column; }
  .page-layout.has-aside { grid-template-columns: 1fr; }
  .product-hero { grid-template-columns: 1fr; gap: var(--space-4); padding: var(--space-3); }
  #content .product-hero .product-icon { width: 140px; }
  .container .columns, .container .column { width: 100% !important; float: none; display: block; margin: 0 0 var(--space-3); padding-left: 0; padding-right: 0; }
  .site-footer { padding-top: var(--space-5); }
  .footer-top { grid-template-columns: 1fr; gap: var(--space-5); padding-bottom: var(--space-5); }
  .footer-links { gap: var(--space-2); }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: var(--space-3); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* Homepage examples: an index of NodeBox networks beside one interactive result. */
.hero-figure { margin: 0; min-width: 0; }
#content .hero-figure img { display: block; width: 100%; height: auto; margin: 0; border: 1px solid var(--line); }
.example { margin: 0; min-width: 0; }
.showcase { display: grid; grid-template-columns: minmax(260px, 1fr) 2fr; gap: var(--space-5); align-items: start; }
.showcase .artwork-stage { max-height: calc(100vh - 160px); }
.artwork-controls a + a { margin-left: var(--space-1); }
.example-play { display: grid; place-items: center; flex: none; width: 32px; height: 32px; padding: 0; color: var(--ink); background: none; border: 1px solid var(--line); border-radius: 0; cursor: pointer; }
.example-play:hover:not(:disabled) { color: var(--blue); border-color: var(--blue); }
.example-play:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.example-play:disabled { opacity: .4; cursor: default; }
.example-play .icon-play, .example-play[data-playing="true"] .icon-pause { display: block; }
.example-play .icon-pause, .example-play[data-playing="true"] .icon-play { display: none; }
.example-index { display: grid; border-top: 1px solid var(--line); }
.example-index [role=tab] { display: grid; gap: var(--space-1); padding: var(--space-3) 0 var(--space-3) var(--space-3); font: inherit; color: var(--ink); background: none; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; text-align: left; cursor: pointer; }
.example-index [role=tab]:focus-visible { outline: 2px solid var(--blue); outline-offset: -2px; }
#content .example-index .entry-title { margin: 0; font-size: var(--text-entry); font-weight: var(--weight-heading); line-height: 1.2; }
.example-index [role=tab]:hover:not([aria-selected=true]) .entry-title { color: var(--blue); }
.example-index [aria-selected=true] { background: var(--selected); }
.example-index [aria-selected=true] .entry-title { color: var(--white); }
.example-nodes { display: flex; flex-wrap: wrap; gap: 0; margin-top: var(--space-1); }
#content .example-nodes img { width: 28px; height: 28px; box-sizing: content-box; margin: 0; padding: 0 var(--space-1); border-left: 1px solid rgb(16 37 59 / .3); opacity: .45; }
#content .example-nodes img:first-child { padding-left: 0; border-left: 0; }
/* On the selected entry the icons are inverted to white; the filter inverts their rules too, so these are black. */
#content .example-index [aria-selected=true] .example-nodes img { filter: invert(1); opacity: .85; border-left-color: rgb(0 0 0 / .4); }
@media (max-width: 760px) {
  .showcase { grid-template-columns: 1fr; gap: var(--space-3); }
  .example-index { grid-auto-flow: column; grid-auto-columns: max-content; overflow-x: auto; border: 0; border-bottom: 1px solid var(--line); }
  .example-index [role=tab] { padding: var(--space-1) var(--space-2); }
  .example-index .entry-title { font-size: var(--text-control); font-weight: 500; }
  .example-nodes { display: none; }
}

/* Theme button: shows the theme it switches to. */
.theme-toggle { display: grid; place-items: center; width: 48px; height: 48px; padding: 0; color: var(--ink); background: none; border: 1px solid var(--line); border-radius: 0; cursor: pointer; }
.theme-toggle:hover { color: var(--blue); border-color: var(--blue); }
.theme-toggle:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.theme-toggle .icon-sun { display: none; }
:root:not([data-theme]) .theme-toggle .icon-moon { display: block; }
@media (prefers-color-scheme: dark) { :root:not([data-theme]) .theme-toggle .icon-moon { display: none; } :root:not([data-theme]) .theme-toggle .icon-sun { display: block; } }
:root[data-theme="light"] .theme-toggle .icon-moon { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }

/* Dark theme: example drawings and images are exported in the light palette. */
.artwork-stage svg [fill="#10253b"] { fill: light-dark(#10253b, #e8eef6); }
.artwork-stage svg [stroke="#10253b"] { stroke: light-dark(#10253b, #e8eef6); }
.artwork-stage svg [fill="#2355ed"] { fill: light-dark(#2355ed, #7c9cff); }
.artwork-stage svg [stroke="#2355ed"] { stroke: light-dark(#2355ed, #7c9cff); }
.artwork-stage svg [fill="#ffffff"] { fill: light-dark(#ffffff, #0a2441); }
.artwork-stage svg [fill="#586571"] { fill: light-dark(#586571, #93a3b8); }
.artwork-stage img { filter: var(--art-filter); }
#content .hero-figure img, .highlight { background: transparent; color: inherit; }
/* Filters cannot use light-dark(), so the dark theme sets them as variables. Black line icons turn light. */
:root { --icon-filter: none; --art-filter: none; --shot-filter: none; --plot-ink: #10253b; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --icon-filter: invert(1); --art-filter: invert(1) hue-rotate(180deg); --shot-filter: brightness(.9); --plot-ink: #fff; } }
:root[data-theme="dark"] { --icon-filter: invert(1); --art-filter: invert(1) hue-rotate(180deg); --shot-filter: brightness(.9); --plot-ink: #fff; }
.site-header .brand img, .operation-grid img, .community-mark img, #content .example-nodes img { filter: var(--icon-filter); }
#content .example-index [aria-selected=true] .example-nodes img { filter: invert(1); }
.artwork-stage svg [fill="#f5f5f0"] { fill: light-dark(#f5f5f0, #041a32); }
.artwork-stage svg [stroke="#f5f5f0"] { stroke: light-dark(#f5f5f0, #041a32); }
/* Thin light lines look weaker than thin dark ones, so the plotter lines are pure white in dark. The colour is set on the <use> elements, which the copied curve inherits; a rule on the curve itself does not update its copies. */
.artwork-stage svg use { stroke: var(--plot-ink); }

/* Work made by others with NodeBox. */
.works-section h2 { margin: 0 0 var(--space-5); }
.works-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-5) var(--space-4); }
.work { margin: 0; min-width: 0; }
#content .work img { display: block; width: 100%; height: auto; aspect-ratio: 8 / 5; object-fit: cover; margin: 0 0 var(--space-3); border: 1px solid var(--line); }
.work figcaption { margin: 0; }
#content .work .entry-title { margin: 0 0 var(--space-1); }
.work p { margin: 0; color: var(--muted); font-size: var(--text-small); line-height: 1.5; }
@media (max-width: 760px) { .works-grid { grid-template-columns: 1fr; gap: var(--space-4); } }

/* NodeBox 3 and NodeBox Live, side by side, with a table of differences. */
.editions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-5) var(--space-4); margin-bottom: var(--space-5); }
.edition { min-width: 0; }
#content .edition img { display: block; width: 100%; height: auto; aspect-ratio: 11 / 8; object-fit: cover; margin: 0 0 var(--space-3); border: 1px solid var(--line); }
.edition .entry-title { margin: 0 0 var(--space-1); }
.edition p { max-width: 46ch; margin: 0 0 var(--space-3); }
.software-section .table-scroll { margin-bottom: 0; }
.compare { width: 100%; min-width: 640px; border-collapse: collapse; font-size: var(--text-control); line-height: 1.5; }
#content .compare th, #content .compare td { padding: var(--space-2) var(--space-3) var(--space-2) 0; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
#content .compare thead th { font-size: var(--text-body); font-weight: var(--weight-heading); }
#content .compare tbody th { width: 18%; font-weight: var(--weight-heading); }
#content .hero-figure img, #content .edition img { filter: var(--shot-filter); }
@media (max-width: 760px) { .editions { grid-template-columns: 1fr; gap: var(--space-4); } }