:root {
  color-scheme: light;
  --paper: #faf9f6;
  --ink: #222b25;
  --muted: #687069;
  --green: #42664e;
  --green-soft: #edf2ea;
  --line: #dddFD5;
  --mono: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --serif: 'Iowan Old Style', 'Palatino Linotype', 'Book Antiqua', Palatino, Georgia, serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 108px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
body.dialog-open { overflow: hidden; }
a { color: inherit; text-underline-offset: 4px; }
button { color: inherit; font: inherit; cursor: pointer; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid #9baf81; outline-offset: 5px; }
::selection { background: #d8e5cf; color: #1d3425; }
.skip-link { position: fixed; z-index: 100; left: 20px; top: -70px; padding: 12px 20px; background: var(--ink); color: white; }
.skip-link:focus { top: 12px; }
.reading-progress { position: fixed; top: 0; left: 0; height: 3px; width: 100%; transform: scaleX(0); transform-origin: left; background: var(--green); z-index: 40; }
.masthead { position: sticky; top: 0; z-index: 20; background: var(--paper); border-bottom: 1px solid var(--line); }
.masthead-inner { max-width: 1296px; margin: auto; min-height: 76px; padding: 0 40px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; gap: 15px; align-items: center; text-decoration: none; }
.brand-symbol { font: 34px Georgia, serif; color: var(--green); letter-spacing: -2px; }
.brand-symbol sup { font-size: 18px; vertical-align: super; margin-left: 1px; }
.brand-name { font-size: 11px; font-weight: 600; letter-spacing: 1.65px; text-transform: uppercase; border-left: 1px solid #cbd1c5; padding-left: 15px; line-height: 1.5; }
.masthead-nav { display: flex; align-items: center; gap: 27px; }
.masthead-nav a { font-size: 12px; text-decoration: none; color: #505a51; }
.masthead-nav a:hover { color: var(--green); text-decoration: underline; }
.hero { max-width: 1120px; margin: auto; padding: 70px 35px 53px; text-align: center; }
.eyebrow { margin: 0 0 27px; color: var(--green); font: 10px var(--mono); letter-spacing: 2.2px; text-transform: uppercase; display: flex; justify-content: center; align-items: center; gap: 12px; }
.eyebrow::before { content: ''; width: 6px; height: 6px; background: var(--green); border-radius: 50%; }
h1 { font: 400 clamp(42px, 4.4vw, 62px)/1.1 var(--serif); letter-spacing: -2px; margin: 0 auto 26px; max-width: 990px; text-wrap: balance; }
h1 span { display: block; color: var(--green); }
.dek { color: #626a61; max-width: 685px; font: 21px/1.55 var(--serif); margin: 0 auto 31px; text-wrap: pretty; }
.authors { font-size: 12px; line-height: 1.9; margin: 0; color: #39443a; }
.authors .author { display: inline-block; white-space: nowrap; }
.authors .dot { color: #929b8f; margin: 0 7px; }
.affiliations { font-size: 11px; color: var(--muted); margin: 6px 0 25px; }
.hero-meta { display: flex; align-items: center; justify-content: center; gap: 18px; color: var(--muted); font: 10px var(--mono); }
.hero-meta .divider { height: 12px; width: 1px; background: #c7cebf; }
.share-button { border: 0; background: none; padding: 3px 0; font: inherit; display: inline-flex; gap: 7px; align-items: center; }
.share-button:hover { color: var(--green); }
.article-layout { display: grid; grid-template-columns: 180px minmax(0, 790px); gap: 58px; max-width: 1200px; margin: 0 auto; padding: 38px 40px 90px; border-top: 1px solid var(--line); align-items: start; }
.contents { position: sticky; top: 117px; max-height: calc(100vh - 145px); overflow: auto; padding: 2px 8px 5px 0; scrollbar-width: thin; }
.contents-label { font: 10px var(--mono); text-transform: uppercase; letter-spacing: 1.7px; color: var(--muted); margin: 0 0 19px; }
.contents nav { display: flex; flex-direction: column; }
.contents a { display: flex; gap: 12px; align-items: baseline; text-decoration: none; font-size: 12px; line-height: 1.6; padding: 7px 0 7px 11px; border-left: 1px solid var(--line); color: #71786e; transition: color .15s, border-color .15s; }
.contents a span { font: 9px var(--mono); color: #949b8e; }
.contents a[aria-current='location'] { border-left: 2px solid var(--green); padding-left: 10px; color: var(--green); font-weight: 600; }
.contents a:hover { color: var(--green); }
.contents-footer { border-top: 1px solid var(--line); padding-top: 16px; margin: 25px 0 0 11px; font: 10px/1.8 var(--mono); color: #92998b; }
.mobile-contents { display: none; }
article { min-width: 0; }
.prose { font: 19px/1.78 var(--serif); }
.prose p { margin: 0 0 23px; text-wrap: pretty; }
.prose > section > p, .prose h2 { max-width: 700px; }
.prose strong { font-weight: 600; color: #263e2d; }
.prose > section { scroll-margin-top: 20px; }
.prose h2 { font: 600 27px/1.3 var(--sans); letter-spacing: -.65px; margin: 62px 0 25px; text-wrap: balance; }
.prose h2::before { content: attr(data-number); display: block; font: 10px/1 var(--mono); letter-spacing: 1px; color: #89947f; margin-bottom: 14px; }
.prose > #introduction p:first-child { font-size: 22px; line-height: 1.67; }
.prose a { color: var(--green); }
.prose figure { margin: 35px 0 32px; }
.figure-button { border: 1px solid var(--line); background: white; border-radius: 3px; width: 100%; padding: 15px; display: block; position: relative; cursor: zoom-in; }
.figure-button img { width: 100%; height: auto; display: block; }
.figure-button::after { content: '↗'; position: absolute; top: 9px; right: 10px; background: rgba(250,249,246,.93); border: 1px solid var(--line); border-radius: 3px; width: 25px; height: 25px; display: grid; place-items: center; font: 14px var(--sans); color: var(--green); opacity: 0; transition: opacity .15s; }
.figure-button:hover::after, .figure-button:focus-visible::after { opacity: 1; }
.prose figcaption { margin-top: 13px; font: 12px/1.7 var(--sans); color: var(--muted); }
.figure-number { color: var(--green); font: 10px var(--mono); text-transform: uppercase; letter-spacing: .8px; margin-right: 7px; }
.figure-hint { color: #8a9285; font-size: 10px; display: block; margin-top: 5px; }
.opening-figure { max-width: 1120px; margin: 0 auto; padding: 0 35px 38px; }
.opening-figure figure { margin: 0; }
.opening-figure figcaption { max-width: 980px; margin: 15px auto 0; }
.prose .table-wrap { margin: 28px 0 18px; overflow-x: auto; border-top: 2px solid var(--green); border-bottom: 1px solid var(--line); }
.prose table { border-collapse: collapse; width: 100%; font: 13px/1.65 var(--sans); text-align: left; min-width: 390px; }
.prose th { color: var(--muted); font-weight: 500; font-size: 11px; background: #f0f2eb; }
.prose td, .prose th { padding: 14px 16px; border-bottom: 1px solid var(--line); }
.prose tr:last-child td { border-bottom: none; }
.prose td:not(:first-child) { font-family: var(--mono); font-size: 12px; }
.prose .table-caption { font: 12px/1.7 var(--sans); color: var(--muted); }
.technical-note { max-width: 700px; margin: 27px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); border-radius: 3px; background: #f3f5ef; font-size: 17px; }
.technical-note summary { cursor: pointer; padding: 15px 18px; color: var(--green); font: 500 13px/1.6 var(--sans); }
.technical-note summary::marker { color: #819374; }
.technical-note[open] summary { border-bottom: 1px solid var(--line); margin-bottom: 18px; }
.technical-note > :not(summary) { margin-left: 18px; margin-right: 18px; }
.technical-note > p:last-child { margin-bottom: 18px; }
.explainer { margin: 35px 0; border: 1px solid #cdd7c5; border-radius: 4px; background: #f3f5ef; padding: 26px; }
.explainer-heading { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-bottom: 23px; }
.explainer-kicker { font: 9px var(--mono); letter-spacing: 1.6px; text-transform: uppercase; color: var(--green); }
.toy-label { font: 9px var(--mono); color: #849079; border: 1px solid #d6decd; border-radius: 20px; padding: 4px 9px; }
.neighbor-panels { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.neighbor-panel + .neighbor-panel { border-left: 1px solid #d6decd; padding-left: 20px; }
.neighbor-panel h3 { font: 500 14px var(--sans); margin: 0 0 5px; }
.neighbor-panel .panel-subtitle { font: 10px var(--sans); color: var(--muted); margin: 0; }
.neighbor-panel svg { width: 100%; height: auto; display: block; overflow: visible; }
.neighbor-link { stroke: #91a987; stroke-width: 1.8; transition: stroke .25s, opacity .25s; }
.neighbor-node { fill: #f3f5ef; stroke: #bfcbb7; stroke-width: 1.3; }
.neighbor-node.near { fill: #e0e9d9; stroke: #759365; }
.query-node { fill: #dcd0a8; stroke: #b6a577; }
.neighbor-text { font: 10px var(--mono); fill: #567046; text-anchor: middle; dominant-baseline: central; pointer-events: none; }
.neighbor-text.query-text { fill: #534a2f; font-size: 9px; }
.show-shared .neighbor-link.shared { stroke: #2f633a; stroke-width: 3; }
.show-shared .neighbor-link:not(.shared) { stroke: #a6ae9f; stroke-dasharray: 4 5; opacity: .45; }
.show-shared .neighbor-node.shared { fill: #41694a; stroke: #41694a; }
.show-shared .neighbor-text.shared { fill: white; }
.explainer-controls { display: flex; align-items: flex-start; gap: 20px; padding-top: 14px; border-top: 1px solid #d6decd; }
.overlap-button { flex: 0 0 auto; border: 1px solid #acbba2; border-radius: 4px; padding: 10px 13px; background: var(--paper); color: var(--green); font: 11px var(--sans); min-width: 162px; text-align: left; }
.overlap-button::before { content: '+'; display: inline-block; width: 19px; }
.overlap-button[aria-pressed='true'] { color: white; background: var(--green); border-color: var(--green); }
.overlap-button[aria-pressed='true']::before { content: '✓'; }
.explainer .overlap-description { margin: 0; font: 11px/1.65 var(--sans); color: #6b7663; min-height: 55px; }
.explainer .explainer-note { font: 10px/1.6 var(--sans); color: #87917f; margin: 14px 0 0; }
.prose .paper-note { font: 13px/1.8 var(--sans); color: var(--muted); border-top: 1px solid var(--line); margin-top: 44px; padding-top: 23px; }
.site-footer { padding: 37px 40px 45px; border-top: 1px solid var(--line); }
.footer-inner { max-width: 1120px; margin: auto; display: flex; justify-content: space-between; align-items: flex-start; gap: 28px; }
.footer-title { font: 24px var(--serif); color: var(--green); margin: 0 0 10px; }
.footer-note { font-size: 11px; line-height: 1.8; color: var(--muted); margin: 0; max-width: 560px; }
.footer-top { font: 11px var(--mono); text-decoration: none; white-space: nowrap; }
.toast { position: fixed; bottom: 26px; left: 50%; transform: translate(-50%, 15px); z-index: 70; border-radius: 4px; padding: 12px 18px; background: var(--ink); color: white; opacity: 0; pointer-events: none; font-size: 12px; transition: opacity .2s, transform .2s; }
.toast.visible { opacity: 1; transform: translate(-50%, 0); }
.figure-dialog { border: 0; border-radius: 5px; padding: 0; background: var(--paper); color: var(--ink); width: min(1500px, 95vw); max-width: 95vw; max-height: 94vh; }
.figure-dialog::backdrop { background: rgba(25,32,25,.76); backdrop-filter: blur(4px); }
.dialog-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 13px 18px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--paper); z-index: 1; }
.dialog-title { font: 11px var(--mono); color: var(--green); }
.dialog-actions { display: flex; align-items: center; gap: 10px; }
.dialog-actions button { background: transparent; border: 1px solid var(--line); border-radius: 3px; padding: 8px 11px; font-size: 11px; }
.dialog-image-wrap { overflow: auto; max-height: 69vh; background: white; padding: 20px; }
.dialog-image { display: block; width: 100%; height: auto; margin: auto; }
.dialog-image-wrap.actual-size .dialog-image { width: auto; max-width: none; margin: 0; }
.dialog-caption { padding: 15px 20px 20px; font-size: 12px; line-height: 1.65; color: var(--muted); margin: 0; }
@media (min-width: 1450px) {
  .hero { padding-top: 82px; padding-bottom: 64px; }
}
@media (max-width: 1050px) {
  .article-layout { grid-template-columns: 160px minmax(0, 1fr); gap: 32px; padding-left: 28px; padding-right: 28px; }
  .contents a { font-size: 11px; }
  .prose { font-size: 18px; }
}
@media (max-width: 800px) {
  html { scroll-padding-top: 90px; }
  .masthead-inner { min-height: 66px; padding: 0 24px; }
  .masthead-nav { gap: 18px; }
  .brand-name { font-size: 9px; letter-spacing: 1.2px; }
  .brand-symbol { font-size: 30px; }
  .hero { padding: 48px 25px 35px; }
  .opening-figure { padding: 0 25px 30px; }
  h1 { font-size: clamp(39px, 7vw, 56px); letter-spacing: -1.8px; }
  .dek { font-size: 19px; max-width: 540px; }
  .authors { font-size: 11px; max-width: 520px; margin: auto; }
  .article-layout { display: block; padding: 24px 30px 60px; max-width: 760px; }
  .contents { display: none; }
  .mobile-contents { display: block; border: 1px solid var(--line); border-radius: 3px; margin-bottom: 29px; background: #f5f5ef; }
  .mobile-contents summary { padding: 14px 17px; font: 11px var(--mono); color: var(--green); cursor: pointer; }
  .mobile-contents nav { padding: 0 17px 14px; display: flex; flex-direction: column; }
  .mobile-contents a { font: 12px/1.5 var(--sans); color: var(--muted); text-decoration: none; padding: 7px 0; }
  .mobile-contents a span { font: 9px var(--mono); margin-right: 13px; color: #8e9a83; }
  .prose h2 { font-size: 24px; margin-top: 47px; }
  .figure-button::after { opacity: 1; }
}
@media (max-width: 480px) {
  .masthead-inner { padding: 0 19px; }
  .masthead-nav a:not(:last-child) { display: none; }
  .masthead-nav a { font-size: 11px; }
  .hero { padding: 39px 21px 31px; }
  .opening-figure { padding: 0 21px 27px; }
  .eyebrow { font-size: 9px; letter-spacing: 1.7px; margin-bottom: 22px; }
  h1 { font-size: 40px; line-height: 1.1; letter-spacing: -1.5px; margin-bottom: 22px; }
  h1 span { margin-top: 3px; }
  .dek { font-size: 18px; line-height: 1.5; margin-bottom: 24px; }
  .authors { font-size: 10px; }
  .authors .dot { margin: 0 3px; }
  .affiliations { font-size: 10px; margin-bottom: 19px; }
  .article-layout { padding: 21px 22px 50px; }
  .prose { font-size: 18px; line-height: 1.76; }
  .prose > #introduction p:first-child { font-size: 20px; }
  .prose p { margin-bottom: 21px; }
  .prose h2 { font-size: 23px; letter-spacing: -.55px; }
  .figure-button { padding: 8px; }
  .prose figcaption { font-size: 11px; line-height: 1.7; }
  .technical-note table { min-width: 0; table-layout: fixed; }
  .technical-note td, .technical-note th { padding: 12px 8px; }
  .explainer { padding: 19px 15px; }
  .neighbor-panels { grid-template-columns: 1fr; gap: 14px; }
  .neighbor-panel + .neighbor-panel { padding: 18px 0 0; border-left: none; border-top: 1px solid #d6decd; }
  .neighbor-panel h3 { font-size: 13px; }
  .neighbor-panel .panel-subtitle { font-size: 10px; }
  .explainer-controls { flex-direction: column; gap: 12px; }
  .overlap-button { font-size: 11px; padding: 11px 13px; }
  .explainer .overlap-description { min-height: 56px; }
  .site-footer { padding: 29px 22px; }
  .footer-inner { flex-direction: column; gap: 20px; }
  .dialog-toolbar { padding: 10px; }
  .dialog-image-wrap { padding: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}
@media print {
  body { background: white; color: black; }
  .masthead, .reading-progress, .contents, .mobile-contents, .share-button, .site-footer, .explainer-controls, .toast { display: none; }
  .hero { padding: 0 0 25px; }
  .opening-figure { padding: 0 0 25px; }
  h1 { font-size: 35px; }
  .article-layout { display: block; border: 0; padding: 0; }
  .prose { font-size: 11pt; line-height: 1.55; }
  .prose h2 { font-size: 17pt; break-after: avoid; }
  .technical-note { background: white; font-size: inherit; }
  figure, .explainer, table { break-inside: avoid; }
  .figure-hint { display: none; }
}