/* Shared Sunny engineering reader. Loaded after article-specific styles. */
:root{--reader-sans:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif;--reader-mono:"SFMono-Regular",Consolas,Menlo,monospace;--page:#090b10;--body:#d1dbe2;--heading:#f5f7fa;--muted:#a4b1be;--line:#29323d;--hover:#18212d;--track:#1b222d;--accent:#91b2d4;--strong:#96bcdf;--base:#5e83aa;--cached:#4b6685;--output:#77aaa8;--value:#e4eaf1;--link:#b1cbe3;--neutral:#8c97a6;--white:#fff;--scheme:dark;--paper:var(--page);--ink:var(--body);--blue:var(--accent);--lavender:var(--cached);--yellow:var(--output);--green:#77aaa8;--serif:var(--reader-sans)}
:root[data-theme=light]{--page:#fdfcf9;--body:#343c45;--heading:#20262d;--muted:#626c77;--line:#dfe3e6;--hover:#edf2f7;--track:#edf1f5;--accent:#6286ac;--strong:#2d6598;--base:#6286ac;--cached:#8fa4b9;--output:#47827f;--value:#303944;--link:#315e86;--neutral:#87929e;--white:#17222e;--scheme:light}
html{background:var(--page);color:var(--body);color-scheme:var(--scheme)}body{font-family:var(--reader-sans)}body::before{display:none}.shell{max-width:800px;margin:32px auto 0;padding:0 32px}.blog-page .shell{max-width:1040px}header,.site-header{height:auto;min-height:92px;display:flex;align-items:flex-start;justify-content:space-between;gap:24px;padding:0 0 36px;border:0;font-family:var(--reader-sans)}.brand img,.blog-page .brand img,.site-header img{width:170px;height:auto;display:block}:root[data-theme=light] .brand img{filter:brightness(0)}nav,header nav,.site-header nav{display:flex;align-items:center;gap:22px;font:13px/20px var(--reader-sans);color:var(--muted)}nav a{text-decoration:none}nav a:hover{background:none;color:var(--heading)}.reader-controls{display:flex;align-items:center;gap:8px;margin:0;font-size:12px}.reader-controls button,.reader-controls>a,.language-label{font:inherit;color:var(--muted);background:transparent;border:0;padding:0 5px;min-height:34px;display:inline-flex;align-items:center;white-space:nowrap}.reader-controls .selected{color:var(--heading);font-weight:600}.control-divider{padding:0 4px;opacity:.65}h1,h2,h3,.context-article h1,.context-article h2,.context-article h3,.context-article blockquote{font-family:var(--reader-sans);color:var(--heading)}h1,.context-article h1{font-size:32px;font-weight:550;letter-spacing:-.025em;line-height:1.45;margin:0 0 25px;text-wrap:balance}h2,.context-article h2{font-size:24px;font-weight:550;line-height:1.5;letter-spacing:-.015em;font-style:normal;margin:56px 0 22px}p,.context-article .prose{font-size:18px;line-height:1.85;letter-spacing:0}.byline,.context-article .byline{font:12px/1.7 var(--reader-sans);color:var(--muted);margin:-10px 0 30px}.small,.caption,figcaption,.data-note{color:var(--muted)}.mini-chart,.data,table,.chart-head,.result-row,.mini-axis,.type-axis{font-family:var(--reader-mono)}.mini-fill,.seg,.bar-segment{background-image:none!important}.mini-track,.bar-track{background:var(--track)}.mini-title,.chart-head{font-size:12px}.mini-label{font-size:12px}.mini-value{font-size:13px}details{border-top:1px solid var(--line);padding-top:17px}summary{font:13px/1.8 var(--reader-sans);color:var(--body)}details p{font:15px/1.85 var(--reader-sans)}footer{font:12px/1.7 var(--reader-sans);color:var(--muted);border-top:1px solid var(--line);padding-top:26px;margin-top:60px}.featured{padding:28px 0}.article-copy h2{font-size:22px;line-height:1.45}.article-description{font-size:14px!important}.article-date{font:12px/1.6 var(--reader-sans)}
/* Context study uses the same reading measure; only interactive figures break out. */
.context-article .site-header{max-width:800px;margin:32px auto 0;padding:0 32px 36px}.context-article .hero{max-width:736px;display:block;min-height:0;margin:0 auto;padding:0 0 30px;gap:0;border-bottom:1px solid var(--line)}.context-article .hero-copy{max-width:none}.context-article .deck{max-width:none;font-size:18px;line-height:1.85;color:var(--body);margin-bottom:20px}.context-article .hero-links{font-size:14px;margin:20px 0 30px}.context-article .hero-figure{max-width:550px;margin:0 auto}.context-article .prose{max-width:736px;margin:54px auto}.context-article .prose p{margin:22px 0}.context-article .prose.intro h2{margin-top:0}.context-article .wide:not(.hero){max-width:1040px;margin:56px auto 0;padding:40px 32px 20px}.context-article .section-heading h2{margin-top:0}.context-article .section-heading p{font-size:16px;color:var(--muted)}.context-article .section-no{font-size:11px}.context-article blockquote{font-size:22px;line-height:1.7;margin:32px 0;padding:12px 0 12px 24px;border-color:var(--accent);font-weight:400}.context-article .method-figure h3{font-size:22px}.context-article .method-figure p,.context-article .evidence-copy p{color:var(--body)}.context-article .method-controls button{color:var(--body);border-color:var(--line)}.context-article .method-controls button[aria-pressed=true],.context-article .result-row:hover,.context-article .result-row[aria-pressed=true]{background:var(--hover)}.context-article .result-row{border-color:var(--line);color:var(--body)}.context-article .bar-track{background:var(--track)}.context-article .input{background:var(--accent)}.context-article .cache{background:var(--cached)}.context-article .write{background:var(--base)}.context-article .output{background:var(--output)}.context-article .chart-insight{font:16px/1.8 var(--reader-sans)}.context-article .cost-detail b{color:var(--heading)}.context-article select{background:var(--page);color:var(--body)}.context-article .legend,.context-article .quality-select,.context-article .outcome-legend{color:var(--muted)}.context-article .pass{color:var(--output)}.context-article .partial{color:#c38769}.context-article .big-number{font:80px/1.2 var(--reader-sans);color:var(--heading)}.context-article .big-number span{font-family:var(--reader-sans)}.context-article .mini-bar em{font:12px/1.7 var(--reader-mono)}.context-article .methods{font-size:14px;color:var(--muted)}.context-article .methods p{font-size:15px}.context-article footer{max-width:736px;margin:45px auto 0}.context-article .hero-figure svg text,.context-article .method-figure svg text{fill:var(--muted)}.context-article .hero-figure svg rect:not([fill="url(#fineGrid)"]),.context-article .method-figure svg rect:not([fill="url(#fineGrid)"]){opacity:.85}.context-article .hero-figure svg path,.context-article .method-figure svg path{stroke:var(--line)}.context-article .caption{font-size:12px}.context-article .evidence-figure p{font-size:16px}.experiment-series{max-width:736px;margin:60px auto 0;border-top:1px solid var(--line);padding-top:24px;font:13px/1.8 var(--reader-sans);color:var(--muted)}.experiment-series strong{display:block;font-weight:500;color:var(--heading);margin-bottom:14px}.experiment-series ol{list-style:none;padding:0;margin:0;display:grid;gap:12px}.experiment-series li{display:flex;gap:14px}.experiment-series .series-index{font:11px/1.8 var(--reader-mono);opacity:.7}.experiment-series [aria-current=page]{color:var(--heading);text-decoration:none}.context-list .article-description{max-width:600px}.context-cover{display:block;padding:14px 0;text-decoration:none}.context-cover .context-cover-line{display:flex;gap:5px;margin:10px 0}.context-cover i{display:block;height:10px;background:var(--accent)}.context-cover small{font:11px/1.7 var(--reader-sans);color:var(--muted)}
@media(max-width:800px){.context-article .hero,.context-article .prose,.context-article footer,.context-article>.experiment-series{margin-left:24px;margin-right:24px}.context-article .wide:not(.hero){margin-left:0;margin-right:0;padding-left:24px;padding-right:24px}.context-article .site-header{padding-left:24px;padding-right:24px}.context-article h1,h1{font-size:28px}.context-article .hero{padding-top:0}.context-article .prose{font-size:17px}.context-article .evidence-layout{gap:36px}}
@media(max-width:540px){.shell{padding:0 22px;margin-top:24px}.brand img,.blog-page .brand img,.site-header img{width:132px}header,.site-header{flex-wrap:wrap;min-height:105px;gap:16px;padding-bottom:30px}header nav,.site-header nav{margin-left:auto;gap:12px;font-size:12px}.reader-controls{gap:2px;font-size:11px}.reader-controls button,.reader-controls>a{padding:0 4px}h1,.context-article h1{font-size:27px}h2,.context-article h2{font-size:22px}p,.context-article .prose,.context-article .deck{font-size:17px}.context-article .site-header{margin-top:24px}.context-article .prose h2 br{display:none}.context-article .hero-figure{margin-top:28px}.experiment-series{font-size:12px}.context-article .big-number{font-size:72px}.context-article .chart-head{font-size:10px}.context-article .result-row{font-size:11px}.context-article .method-layout{gap:22px}}
/* English controls need room for longer labels at narrow breakpoints. */
html[lang=en] .context-article .quality-select{white-space:normal;flex-wrap:wrap;max-width:100%}
html[lang=en] .context-article .quality-select select{max-width:100%}
html[lang=en] .context-article .method-controls b{white-space:normal;overflow-wrap:normal}
@media(max-width:800px){html[lang=en] .context-article .method-controls{align-items:stretch}html[lang=en] .context-article .method-controls button{min-width:0}html[lang=en] .context-article .method-controls b{display:block;line-height:1.5}html[lang=en] .context-article .quality-select{display:block;width:100%}html[lang=en] .context-article .quality-select select{margin-top:8px;width:100%}}
/* Editorial refinement: quieter hero, explicit findings, legible mobile results. */
.context-article .hero-figure{max-width:490px}
.context-article .hero-links{flex-wrap:wrap;gap:18px 30px}
.context-article .decision-notes{margin:34px 0}
.context-article .decision-notes>div{padding:24px 0;border-top:1px solid var(--line)}
.context-article .decision-notes dt{font-size:18px;font-weight:600;line-height:1.6;color:var(--heading);margin-bottom:10px}
.context-article .decision-notes dd{margin:0;font-size:16px;line-height:1.9;color:var(--body)}
.context-article .bounded-finding{border-left:2px solid var(--accent);padding-left:24px;font-size:16px}
.context-article .section-no{letter-spacing:.04em}
.context-article :is(a,button,select,summary):focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.context-article [id]{scroll-margin-top:24px}
.context-article .result-row .row-name{font-family:var(--reader-sans)}
@media(max-width:540px){
.context-article .chart-head{display:none}
.context-article .result-row{grid-template-columns:minmax(76px,1.4fr) repeat(3,minmax(42px,1fr));gap:14px 12px;padding:17px 10px;font-size:13px}
.context-article .row-name{font-size:13px;line-height:1.5}
.context-article .result-row .bar-track{grid-row:2;grid-column:1/-1;height:9px}
.context-article .result-row .num::before{content:attr(data-label);display:block;font:10px/1.6 var(--reader-sans);color:var(--muted);margin-bottom:5px}
.context-article .chart-scroll{overflow:visible}
.context-article .decision-notes dt{font-size:17px}
.context-article .hero-links{font-size:13px;gap:14px 22px}
.context-article .hero-links span{padding-left:5px}
}
.context-article .hero-figure{animation:none}
.context-article .summary-overview img{display:block;width:100%;height:auto;margin-top:24px}.context-article .summary-overview h2{margin-top:0}.context-article .scale-control{display:block;max-width:300px;font-size:12px;color:var(--muted);margin-top:24px}.context-article .relative-note{color:var(--heading);padding-top:12px;border-top:1px solid var(--line)}
@media(max-width:700px){.context-article .summary-overview>a{display:block;overflow-x:auto}.context-article .summary-overview img{min-width:700px}}