:root{color-scheme:light;--ink: #263747;--muted: #627384;--accent: #183b56;--link: #285d87;--line: #dfe6ec;--surface: #f5f8fa;--radius: 12px;--serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;font:16px/1.7 var(--sans);color:var(--ink);background:#fff;font-synthesis:none}*{box-sizing:border-box}[hidden]{display:none!important}html{scroll-behavior:smooth;scroll-padding-top:6rem}body,figure{margin:0}::selection{background:#dceaf5;color:#143954}a{color:var(--link);text-decoration:none;text-underline-offset:.22em}a:hover{text-decoration:underline}:focus-visible{outline:3px solid #4b83ac;outline-offset:4px}button,.button{display:inline-flex;align-items:center;justify-content:center;gap:.6rem;min-height:44px;padding:.6rem 1rem;border:1px solid var(--line);border-radius:7px;font:500 .875rem/1.5 var(--sans);color:var(--accent);background:#fff;cursor:pointer;transition:background .2s,border-color .2s,box-shadow .2s,transform .2s}button:enabled:hover,.button:hover{border-color:#9cb4c7;background:#edf3f7;text-decoration:none}button:disabled{cursor:wait;opacity:.6}.button.primary{color:#fff;border-color:var(--accent);background:var(--accent)}.button.primary:hover{background:#245474;box-shadow:0 4px 14px #183b5620}.icon{flex:none;width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.icon-fill{fill:currentColor;stroke:none}.huggingface-icon{display:inline-grid;flex:none;width:22px;height:22px;place-items:center;font-size:1.25rem;line-height:1}h1,h2{color:var(--accent);text-wrap:balance}h2{margin:0;font:500 clamp(1.7rem,3vw,2.1rem)/1.3 var(--serif);letter-spacing:-.025em}p{margin:0 0 1rem}sup{font-size:.7em}.prose{line-height:1.85}.note{margin:1rem 0 0;color:var(--muted);font-size:.875rem;line-height:1.7}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.skip-link{position:absolute;left:1rem;top:-5rem;z-index:10;padding:.5rem 1rem;background:#fff}.skip-link:focus{top:.5rem}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}.site-header{position:sticky;top:0;z-index:5;border-bottom:1px solid var(--line);background:#ffffffed;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.navigation,main,.site-footer{width:min(100% - 4rem,1080px);margin-inline:auto}.navigation{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;min-height:72px}.wordmark{color:var(--accent);font-size:1.3rem;font-weight:750;letter-spacing:-.06em}.wordmark:hover{text-decoration:none}.nav-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:.4rem 1.8rem;font-size:.875rem}.nav-links a{color:var(--muted);padding-block:.65rem}.nav-links a:hover{color:var(--accent)}.hero{position:relative;padding:6.8rem 0 3rem;text-align:center}h1{max-width:1080px;margin:0 auto 2.7rem;font:400 clamp(2rem,3.7vw,3.15rem)/1.28 var(--serif);letter-spacing:-.035em}.title-line{display:block}.title-lead{font-weight:400}.title-lead strong{font-weight:700}.authors{margin-bottom:.5rem;font:400 1rem/1.7 var(--serif)}.authors span{display:inline-block;white-space:nowrap}.affiliation{margin:0;color:var(--muted);font-size:.925rem}.resource-links{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:.7rem;margin-top:1.8rem}.resource-links .resource-button{justify-content:center;min-height:54px;padding:.75rem 1.25rem;border-radius:10px;font-size:.95rem;font-weight:600;line-height:1}.resource-links .resource-paper{padding-inline:1.4rem}.resource-links .resource-button .icon{width:20px;height:20px}.resource-links .resource-button:hover{box-shadow:0 5px 16px #183b560d}.paper-unavailable{padding:.6rem 1rem;color:var(--muted);font-size:.875rem}.paper-section{padding-top:3.7rem}.hero+.paper-section{padding-top:2rem}.section-heading{display:flex;align-items:center;gap:1rem;margin-bottom:1.7rem}.section-heading:after{content:"";height:1px;background:var(--line);flex:1;margin-left:.25rem}.site-footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;padding:1.7rem 0 2rem;margin-top:3rem;border-top:1px solid var(--line);color:var(--muted);font-size:.875rem}.site-footer>span>span{margin-inline:.6rem;color:#b3c1cc}@media(hover:hover){.resource-links .button:hover{transform:translateY(-2px)}}@media(max-width:700px){html{scroll-padding-top:8rem}.navigation,main,.site-footer{width:calc(100% - 2.5rem)}.navigation{min-height:68px;gap:1rem;padding-block:.5rem}.nav-links{gap:0 .9rem}.hero{padding:3.3rem 0 3rem}h1{margin-bottom:2rem;font-size:clamp(1.75rem,7vw,2.5rem)}.paper-section{padding-top:2.8rem}.section-heading{gap:.7rem;margin-bottom:1.3rem}}@media(max-width:430px){.navigation{flex-direction:column;gap:.1rem}.nav-links{justify-content:center;gap:1.2rem}.nav-links a{padding-block:.25rem}.resource-links{gap:.5rem}.resource-links .resource-button{min-height:50px;padding:.65rem .9rem;font-size:.875rem}.resource-links .resource-paper{padding-inline:1rem}}@media print{.site-header,.resource-links,.skip-link,.site-footer{display:none}main{width:100%}.hero{padding:1rem 0 2rem}.paper-section{padding-top:2rem}h2{break-after:avoid}}.abstract-copy{font:1.125rem/1.85 var(--serif)}.abstract-copy p:last-child{margin-bottom:0}.study-results{margin-top:2.6rem}.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:0;padding:1.8rem .4rem;border-block:1px solid var(--line);background:var(--surface)}.stat{display:flex;flex-direction:column;align-items:center;padding:.4rem 1.2rem;text-align:center}.stat+.stat{border-left:1px solid var(--line)}.stat dt{max-width:13rem;font-size:1rem;line-height:1.45;color:var(--muted)}.stat dd{order:-1;margin:0 0 .7rem;color:var(--accent);font:500 clamp(2.1rem,4vw,2.8rem)/1.15 var(--serif);letter-spacing:-.04em;font-variant-numeric:lining-nums tabular-nums}.stat dd span{margin-left:.2rem;font:400 1.2rem/1 var(--sans);letter-spacing:-.025em}.figure-link{position:relative;display:block;padding:1.3rem;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:border-color .2s,box-shadow .2s}.figure-link:hover{border-color:#9db7ca;box-shadow:0 7px 24px #183b5608}figure img{display:block;width:100%;height:auto}.figure-expand{position:absolute;top:.5rem;right:.8rem;color:var(--muted);font-size:1rem}figcaption{margin-top:.9rem;text-align:center;font-size:.875rem;line-height:1.65;color:var(--muted)}.figure-description{margin:1.4rem 0 0}.section-intro{margin-bottom:1.4rem}.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}table{width:100%;min-width:740px;border-collapse:collapse;font-size:.925rem;font-variant-numeric:tabular-nums}caption{padding:.9rem 1.2rem;text-align:left;font-size:.875rem;color:var(--muted);border-bottom:1px solid var(--line)}th,td{padding:1rem 1.2rem;text-align:right;border-bottom:1px solid var(--line)}thead th:nth-child(-n+2),tbody th,tfoot th{text-align:left}tbody th[scope=rowgroup]{vertical-align:middle}thead,tfoot{background:var(--surface);color:var(--accent)}thead th,tfoot th,tfoot td{font-weight:600}tbody th{font-weight:500}tbody+tbody{border-top:2px solid var(--line)}tbody tr:hover{background:#f8fafc}tfoot th,tfoot td{border-bottom:0}.citation-box{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden}.citation-toolbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.6rem 1.3rem;border-bottom:1px solid var(--line);color:var(--muted);font-size:.875rem}.citation-toolbar button{padding:.4rem .75rem;background:transparent}pre{margin:0;padding:1.4rem 1.6rem 1.6rem;white-space:pre-wrap;overflow-wrap:anywhere}code{color:#344f64;font:.875rem/1.85 SFMono-Regular,Consolas,Liberation Mono,monospace}.copy-status{min-height:1.5rem;margin-top:.6rem}@media(max-width:700px){.abstract-copy{font-size:1.075rem}.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:1.5rem;padding-block:1.5rem}.stat:nth-child(3){border-left:0}.stat{padding-inline:.7rem}.stat dd span{font-size:1rem}.figure-link{padding:.7rem}th,td{padding:.8rem}pre{padding:1rem}.citation-toolbar{padding-inline:1rem}}@media print{figure,.study-results,table,.citation-box{break-inside:avoid}.figure-link{padding:.5rem;box-shadow:none}.figure-expand,#copy-citation,.copy-status{display:none}table{min-width:0;font-size:.8rem}th,td{padding:.5rem}}.intent-demo{min-width:900px;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.intent-controls{display:flex;align-items:center;justify-content:space-between;gap:2rem;padding:1rem 1.5rem;border-bottom:1px solid var(--line);background:#f7f9fb}.choice-controls{display:flex;align-items:center;gap:.3rem}.control-label{margin-right:.75rem;color:var(--muted);font-size:.8rem}.choice-controls button{min-height:40px;padding:.45rem 1rem;border-color:transparent;background:transparent}.spec-controls{padding:3px;border-radius:8px;background:#e9eef3}.spec-controls button[aria-pressed=true]{color:#fff;background:var(--accent)}.target-controls button[aria-pressed=true]{border-color:#c1cfda;background:#fff}.view-controls{display:flex;align-items:center;gap:.75rem;height:64px;padding:.5rem 1.5rem;border-bottom:1px solid var(--line)}.view-tabs{display:flex;gap:.35rem}.view-tabs button{min-width:85px;min-height:36px;padding:.3rem .8rem;border-color:transparent;background:transparent;color:var(--muted)}.view-tabs button[aria-selected=true]{color:var(--accent);background:#e8f0f6}.layer-formula{margin-left:auto;color:var(--muted);font-size:.8rem}.full-view{display:flex;align-items:center;gap:1rem;font-size:.8rem}.full-view strong{padding:.3rem 1rem;border-radius:6px;color:var(--accent);background:#e8f0f6;font-weight:600}.full-view span{color:var(--muted)}.view-intro{padding:1rem 1.5rem .75rem}.view-summary{margin:0;color:var(--muted);font-size:.85rem}.edge-summary{margin:.35rem 0 0;color:var(--muted);font-size:.75rem}.graph-canvas{padding:.2rem 1rem .75rem}.view-graph{display:block;width:100%;height:auto}.graph-heading text{fill:var(--accent);font-size:20px;font-weight:600;text-anchor:middle}.view-node{opacity:.3;transition:opacity .18s}.view-edge{opacity:.18;transition:opacity .18s}.view-node.is-visible,.view-edge.is-visible{opacity:1}.node-body{fill:#f5f7f9;stroke:#9baab7;stroke-width:1.3}.view-node text{fill:#52697e;text-anchor:middle}.node-label{font-size:19px;font-weight:500}.node-badge{font-size:12px}.view-node.is-visible .node-body{fill:#e8f1f8;stroke:#7695ad}.view-node.is-visible text{fill:#23475f}.view-node[data-evidence=metadata] .node-label{transform:translateY(-8px)}.view-node[data-evidence=metadata] .node-badge{fill:#627384}.view-node.current-node .node-body{fill:#fff0df;stroke:#bc742d;stroke-width:1.7}.view-node.current-node .node-label{fill:#8a4c15;font-weight:650}.edge-base{fill:none;stroke:#8b9baa;stroke-width:1.5}.view-edge[data-edge-kind=contain] .edge-base{stroke-dasharray:5 4}.binding-label{fill:#627384;font-size:13px;text-anchor:middle;visibility:hidden}.view-edge.is-visible .binding-label{visibility:visible}.view-legend{display:flex;justify-content:center;gap:1.75rem;padding:.8rem 1.5rem;border-top:1px solid var(--line);color:var(--muted);font-size:.8rem}.view-legend span{display:inline-flex;align-items:center;gap:.5rem}.view-legend i{width:12px;height:12px;border:1px solid;border-radius:3px}.legend-current{background:#fff0df;border-color:#bc742d}.legend-visible{background:#e8f1f8;border-color:#7695ad}.legend-masked{background:#f5f7f9;border-color:#cbd3da}@media(prefers-reduced-motion:reduce){.view-node,.view-edge{transition:none}}@media print{.intent-controls,.view-controls,#view-announcement{display:none}.intent-demo{min-width:0;break-inside:avoid}}