/* Study 10: a shared reading language, preserving each original article. */
:root{--bg:#f5f7f2;--ink:#223933;--muted:#586d63;--line:#c4d0c5;--surface:#edf1e8;--surface-strong:#f8faf5;--blue:#385e4e;--blue-strong:#284537;--copper:#a44c36;--lab-accent:#a44c36;--shadow:none;--radius:3px;--max-width:1160px;--lab-font:'Avenir Next','Trebuchet MS',sans-serif;--lab-size:18px}
html{scroll-padding-top:112px}
body.lab-blog{background-color:var(--bg);background-image:radial-gradient(#7e9a7024 .65px,transparent .9px);background-size:24px 24px;color:var(--ink)}
body.lab-blog::before,body.lab-blog::after{display:none}
.lab-header{box-sizing:border-box;position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;gap:24px;margin:0 auto;padding:22px 0;width:calc(100% - 10vw);background:#f5f7f2f5;border-bottom:1px solid var(--line);font:12px/1.5 var(--lab-font);color:var(--ink)}
.lab-brand{display:flex;align-items:center;gap:24px;text-decoration:none!important;color:inherit!important}.lab-brand img{width:44px;height:44px;object-fit:contain}.lab-brand span{color:var(--muted);font-size:11px}
.lab-nav{display:flex;align-items:center;gap:28px;flex-wrap:wrap}.lab-nav>a{font-weight:500;color:var(--ink);text-decoration:none}.lab-nav>a:hover{color:var(--lab-accent)}
.lab-header .lang-switch,.lab-size{display:flex;gap:5px;align-items:center;padding:0;border:0;box-shadow:none;background:none;border-radius:0}
.lab-header button{appearance:none;background:transparent;border:1px solid transparent;border-radius:2px;padding:8px 10px;font:12px/1.5 var(--lab-font);color:var(--muted);min-height:36px;cursor:pointer;box-shadow:none}
.lab-header button[aria-pressed=true]{border-color:var(--line);background:#e4ebdc;color:var(--ink)}.lab-header button:hover{color:var(--lab-accent);background:#e4ebdc80}.lab-header button:disabled{opacity:.35;cursor:default}
.lab-size{border-left:1px solid var(--line);padding-left:12px}
.lab-blog :is(a,button,input):focus-visible{outline:2px solid var(--lab-accent);outline-offset:4px}.lab-skip{position:fixed;z-index:100;top:-80px;left:24px;background:var(--bg);padding:15px}.lab-skip:focus{top:10px}
.lab-progress{position:fixed;top:0;left:0;height:2px;background:var(--lab-accent);width:100%;transform:scaleX(0);transform-origin:left;z-index:30}
.lab-shell{max-width:1160px;width:calc(100% - 10vw);margin:44px auto 70px;display:grid;grid-template-columns:180px minmax(0,830px);gap:65px;align-items:start}
.lab-toc{position:sticky;top:132px;display:grid;gap:0;font:12px/1.6 var(--lab-font);max-height:calc(100vh - 160px);overflow:auto;padding:4px}
.lab-toc-label{font-size:10px;letter-spacing:.12em;color:var(--muted);margin-bottom:20px}.lab-toc a{display:block;text-decoration:none;color:var(--muted);padding:10px 0;border:0}.lab-toc a[aria-current]{color:var(--lab-accent)}
body.lab-blog .blog-main{width:100%;margin:0;display:block;min-width:0;padding:0;font-family:var(--lab-font)}
body.lab-blog .breadcrumb{margin:0 0 28px;font-size:11px;color:var(--muted)}
body.lab-blog :is(.post-header,.post-section,.repo-panel,.related-card){border:0;border-radius:0;box-shadow:none;background:none;overflow:visible;isolation:auto;padding:0;display:block}
body.lab-blog .post-header::before,body.lab-blog .post-header::after,body.lab-blog .related-card::before,body.lab-blog blockquote::before{display:none}
body.lab-blog .post-header{padding-bottom:44px}
body.lab-blog .post-kicker{font-size:10px;letter-spacing:.11em;font-weight:500;color:var(--muted);margin:0 0 20px;text-transform:uppercase}
body.lab-blog .post-header h1{font:500 clamp(36px,4.35vw,61px)/1.09 var(--lab-font);letter-spacing:-.052em;max-width:22ch;margin:0 0 24px;color:var(--ink);text-wrap:balance}
body.lab-blog .post-subtitle{font-size:15px;font-weight:400;color:var(--muted);margin:0 0 24px}
body.lab-blog .post-meta{display:flex;gap:18px;flex-wrap:wrap;margin:0 0 22px;padding:0}
body.lab-blog .meta-pill{border:0;border-bottom:1px solid var(--line);padding:0 0 5px;border-radius:0;background:none;font-size:11px;font-weight:400;box-shadow:none}
body.lab-blog .absurd-ribbon{display:flex;flex-wrap:wrap;gap:8px 22px;margin:26px 0;padding:15px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:none;border-radius:0}
body.lab-blog .ribbon-item{background:none;padding:0;border:0;font-size:10px;letter-spacing:.04em;color:var(--muted);font-weight:400}
body.lab-blog .post-lead{font-size:calc(var(--lab-size)*1.12);line-height:1.8;max-width:65ch;margin:22px 0 0;color:var(--ink)}
body.lab-blog .post-section,body.lab-blog .repo-panel{padding:40px 0 44px;border-top:1px solid var(--line);margin:0;scroll-margin-top:20px}
body.lab-blog .section-tag{font-size:10px!important;letter-spacing:.1em;color:var(--muted);text-transform:uppercase;margin:0 0 17px!important;font-weight:500}
body.lab-blog .post-section h2,body.lab-blog .repo-panel h2{font:500 clamp(25px,2.7vw,36px)/1.24 var(--lab-font);letter-spacing:-.035em;max-width:34ch;margin:0 0 25px;color:var(--ink)}
body.lab-blog .post-section h3{font:500 22px/1.4 var(--lab-font);letter-spacing:-.02em}
body.lab-blog :is(.post-section,.repo-panel)>p,body.lab-blog .post-section li{font-size:var(--lab-size);line-height:1.85;margin:0 0 22px;max-width:68ch;color:var(--ink)}
body.lab-blog .post-section blockquote{font:400 calc(var(--lab-size)*1.2)/1.65 var(--lab-font);letter-spacing:-.025em;border:0;border-left:2px solid var(--lab-accent);border-radius:0;background:#e4ebdc66;padding:25px 30px;margin:0;color:var(--ink)}
body.lab-blog .post-section a,body.lab-blog .repo-panel a{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}
body.lab-blog .post-section figure{margin:28px 0}body.lab-blog .post-section img{display:block;max-width:100%;height:auto;border-radius:2px}
body.lab-blog :is(figcaption,.figure-note){font-size:12px;line-height:1.7;color:var(--muted);margin-top:14px}
body.lab-blog :is(.recursion-step,.version-card,.implication-card,.mini-note){border-radius:2px;box-shadow:none;background:#edf1e888;border:1px solid var(--line);padding:20px}
body.lab-blog :is(.recursion-step,.version-card,.implication-card,.mini-note) p{font-size:calc(var(--lab-size)*.9);line-height:1.75}
body.lab-blog .related-grid{display:grid;grid-template-columns:1fr;gap:25px;margin:35px 0}body.lab-blog .related-card{border-top:1px solid var(--line);padding:28px 0;transform:none}body.lab-blog .related-card h2{font:500 25px/1.3 var(--lab-font)}
body.lab-blog .article-actions{margin-top:24px;gap:12px}body.lab-blog .btn{background:transparent;border:1px solid var(--line);border-radius:2px;box-shadow:none;color:var(--ink);font:12px/1.5 var(--lab-font);padding:11px 15px}
body.lab-blog pre{max-width:100%;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px;padding:20px;border:1px solid var(--line);border-radius:2px;background:#edf1e8;color:var(--ink)}
.lab-footer{max-width:1160px;width:calc(100% - 10vw);border-top:1px solid var(--line);margin:0 auto;padding:28px 0;font:12px/1.8 var(--lab-font)}
/* Keep the five-level model and its explanatory colors, in the same paper palette. */
body.lab-model .maturity-model{--mm-paper:#f5f7f2;--mm-paper-strong:#f8faf5;--mm-paper-warm:#edf1e8;--mm-shadow:none;background:#edf1e880;border:1px solid var(--line);border-radius:3px;box-shadow:none;padding:22px}
body.lab-model .maturity-model :is(.maturity-assess,.maturity-detail,.maturity-level,.maturity-dim-card){box-shadow:none;border-radius:3px}
body.lab-model .maturity-model :is(h3,.maturity-level-title){font-family:var(--lab-font)}
/* These two editions retain their original layouts and typography. */
body.lab-map{--bg2:#e9eee4;--bg3:#dce5d6;background-color:var(--bg)}
body.lab-report{--surface:#f8faf6;--surface-soft:#edf1e8;--accent-soft:#e4ebdc;background-color:var(--bg)}
body.lab-report .lab-header{position:relative}body.lab-report .lab-progress{display:none}
@media(max-width:1050px){.lab-shell{grid-template-columns:145px minmax(0,1fr);gap:36px}.lab-brand span{display:none}.lab-nav{gap:16px}}
@media(max-width:740px){html{scroll-padding-top:104px}.lab-header{padding:14px 0;gap:12px}.lab-brand img{width:34px;height:34px}.lab-nav{gap:9px}.lab-nav>a{font-size:11px}.lab-header button{padding:7px 8px}.lab-size{padding-left:4px}.lab-shell{display:block;margin-top:28px}.lab-toc{position:static;display:flex;flex-wrap:wrap;gap:4px 18px;max-height:none;border-bottom:1px solid var(--line);padding:0 0 24px;margin-bottom:30px}.lab-toc-label{width:100%;margin-bottom:8px}.lab-toc a{font-size:11px;padding:5px 0;max-width:100%}body.lab-blog .post-header h1{font-size:37px;letter-spacing:-.045em;max-width:none}body.lab-blog .post-section,body.lab-blog .repo-panel{padding:30px 0 34px}body.lab-blog .post-section blockquote{padding:20px;font-size:calc(var(--lab-size)*1.08)}body.lab-blog .note-grid,body.lab-blog .version-grid{grid-template-columns:1fr}body.lab-blog .post-meta{gap:12px}body.lab-model .maturity-model{padding:13px}body.lab-blog .post-section p{overflow-wrap:anywhere}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media print{.lab-header,.lab-toc,.lab-progress,.lab-skip{display:none!important}.lab-shell{display:block;width:100%;margin:0}body.lab-blog{background:white}.lab-blog .post-section{break-inside:auto}}
body.lab-blog .breadcrumb{border:0;border-radius:0;background:none;box-shadow:none;padding:0;gap:10px}
body.lab-blog .absurd-ribbon{align-items:center;justify-content:flex-start}
body.lab-blog .absurd-ribbon .ribbon-item{flex:0 1 auto;width:auto;min-width:0;border:0;border-radius:0;box-shadow:none;background:none;padding:0;text-align:left}
body.lab-blog .lab-header .lang-btn{box-shadow:none;transform:none}
.lab-header{background:#f5f7f2}
body.lab-model .maturity-header h3{max-width:30ch}
/* Study 13: one return in the header, adjacent essays at the end of a reading. */
body .related-card .article-actions{margin-top:28px;padding-top:20px;border-top:1px solid var(--line);gap:30px}
body .related-card .article-link{border:0;border-radius:0;background:none;padding:8px 0;font-size:12px;color:var(--ink);box-shadow:none}
body .related-card .article-link::after{content:' ↗';margin-left:6px;color:var(--muted)}
body .related-card .article-link:hover{color:var(--accent);text-decoration:underline;text-underline-offset:5px;transform:none;background:none}

/* Audit 03/04/07: same semantics with pointer and keyboard. */
body.lab-map :is(.cell,.row-label,.col-head){appearance:none;font:inherit;color:inherit;text-align:left;border-radius:0}
body.lab-map :is(.row-label,.col-head){background:transparent;border-top:0;border-left:0;border-bottom:0}
body.lab-map .cell{border-top:0;border-left:0;border-bottom:0}
body.lab-map :is(.cell,.row-label,.col-head):focus-visible{outline:3px solid #385e4e;outline-offset:-3px}
body.lab-map :is(.row-sub,.d-label,.cell.lvl-1 .cell-text){color:#59675e}
.map-mobile-controls{display:none}.map-status{font:12px/1.5 var(--lab-font);color:#59675e;margin:12px 0}.map-scroll-hint{font:12px/1.5 var(--lab-font);color:#59675e}
@media(max-width:740px){.map-mobile-controls{display:grid;gap:12px}.map-mobile-controls label{display:grid;gap:6px;font-size:12px;color:#59675e}.map-mobile-controls select{width:100%;min-height:44px;font:14px var(--lab-font);color:#223933;background:#f8faf5;border:1px solid #c4d0c5;border-radius:3px;padding:10px}.map-mobile-controls p{font-size:13px;margin:0}.lab-map .detail-panel{scroll-margin-top:90px}.lab-map .meta-strip{min-width:0;grid-template-columns:repeat(2,minmax(0,1fr));overflow:visible}.lab-map .meta-col{min-width:0}}


/* Audit 09/10: reachable outline, current section, and return during a long read. */
.reading-contents{position:relative;font:12px/1.5 var(--lab-font);color:var(--ink)}
.reading-contents summary{cursor:pointer;min-height:44px;display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--line)}
.reading-contents summary::after{content:'＋';color:var(--muted)}.reading-contents[open] summary::after{content:'−'}
.reading-current{display:none}
.reading-contents nav{position:absolute;right:0;top:calc(100% + 8px);width: min(380px,85vw);max-height:65vh;overflow:auto;overscroll-behavior:contain;padding:15px 20px;background:var(--bg);border:1px solid var(--line);box-shadow:0 8px 22px #22393312}
.reading-contents nav a{display:block;padding:11px 0;color:var(--muted);text-decoration:none;border-bottom:1px solid var(--line)}
.reading-contents a[aria-current]{color:var(--lab-accent)}
.lab-blog :is(.table-wrap,pre,code)[tabindex="0"]:focus-visible{outline:2px solid var(--lab-accent);outline-offset:-2px}
body.lab-report .lab-header{position:sticky}body.lab-report .lab-progress{display:block}
body.lab-report .sidebar-panel{top:120px;max-height:calc(100vh - 145px);overflow:auto}
body.lab-report .report-body :is(p,li){font-size:var(--lab-size)}
body.lab-report .report-body :is(h2,h3){scroll-margin-top:20px}
@media(min-width:741px){.reading-current{display:inline;max-width:180px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}}
@media(max-width:1080px){body.lab-report .sidebar{display:none}}
@media(max-width:740px){
 .lab-shell>.lab-toc{display:none}
 body.lab-blog .post-header{padding-bottom:28px}
 body.lab-blog .post-kicker{margin-bottom:12px}
 body.lab-blog .breadcrumb{margin-bottom:18px}
 body.lab-blog .post-header h1{margin-bottom:16px}
 body.lab-blog .post-subtitle{margin-bottom:14px}
 body.lab-blog .post-meta{margin-bottom:14px;gap:8px 12px}
 body.lab-blog .post-lead{font-size:var(--lab-size);line-height:1.7;margin-top:16px}
 .lab-header{width:calc(100% - 24px);gap:8px}.lab-nav{gap:8px}.lab-brand img{width:28px;height:28px}
 .lab-size{gap:0;padding-left:2px}.lab-header .lab-size button{padding:6px;min-height:44px}
 .reading-contents nav{position:fixed;top:calc(var(--page-header-height,104px) + 8px);left:12px;right:12px;width:auto;max-height:min(65vh,calc(100dvh - var(--page-header-height,104px) - 24px))}
}
@media print{.reading-contents{display:none!important}body.lab-report .report-body :is(p,li){font-size:inherit}}

.map-mobile-controls,.map-status,.map-scroll-hint{margin-inline:20px;scroll-margin-top:90px}

@media(max-width:740px){body.lab-map .detail-close-btn{display:none}}

/* Native map buttons keep the original paper surface rather than browser button gray. */
body.lab-map .cell{background:transparent}
body.lab-map .cell:hover{background:rgba(0,0,0,.025)}
body.lab-map .cell.sel{background:rgba(0,0,0,.035)}
/* Small map annotations retain their original hues with readable contrast. */
body.lab-map .meta-q{color:#59564f}
body.lab-map .meta-zone.z-a{color:#285e28}
body.lab-map .meta-zone.z-m{color:#754b16}
body.lab-map .meta-zone.z-p{color:#4d5b52}
@media(max-width:740px){html body.lab-map .detail-close-btn.ui-control{display:none}.map-mobile-controls{scroll-margin-top:12px}}