@charset "UTF-8";
:root{--paper:#f7f4eb;--surface:#fffdf7;--ink:#142331;--muted:#52606a;--line:#c7c9c1;--blue:#244ec7;--red:#bd3828;--yellow:#f5ca54;--teal:#c5e0d6;--shadow:5px 5px 0 var(--ink);color-scheme:light}
@media(prefers-color-scheme:dark){:root{--paper:#18242c;--surface:#21323c;--ink:#f3f0e5;--muted:#b8c5c7;--line:#50636d;--blue:#93b4ff;--red:#ffab94;--yellow:#ddbb61;--teal:#90c8b7;color-scheme:dark}}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:108px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}body.dialog-open{overflow:hidden}a{color:var(--blue);text-decoration-thickness:1.2px;text-underline-offset:4px}a:hover{text-decoration-thickness:2px}button,input,select,textarea{font:inherit}button,select,input[type=checkbox],input[type=range]{cursor:pointer}button,.button{border:1.5px solid var(--ink);border-radius:4px;background:var(--surface);color:var(--ink);padding:9px 16px;line-height:1.4;text-decoration:none;transition:transform .16s,box-shadow .16s,background .16s}button:hover,.button:hover{box-shadow:3px 3px 0 var(--ink);transform:translate(-1px,-1px)}button:disabled{opacity:.4;cursor:default;transform:none;box-shadow:none}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--red);outline-offset:5px}button[aria-pressed=true]{background:var(--ink);color:var(--paper)}.primary{background:var(--blue);border-color:var(--blue);color:var(--paper)}input[type=search],input[type=number],select,textarea{border:1px solid var(--line);border-radius:4px;background:var(--surface);color:var(--ink);padding:9px 12px;min-height:44px}input[type=range]{width:100%;accent-color:var(--blue);margin:18px 0}input[type=checkbox]{accent-color:var(--blue);width:18px;height:18px}label{display:block;font-size:14px;font-weight:650}select{display:block;width:100%;font-size:15px}textarea{width:100%;resize:vertical}img{max-width:100%;height:auto;display:block}svg{display:block;max-width:100%;width:100%;height:auto;color:var(--ink)}[hidden]{display:none!important}.js-only{display:none}.js .js-only{display:revert}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:fixed;left:16px;top:-100px;z-index:30;background:var(--yellow);color:#142331;padding:10px}.skip:focus{top:8px}.wrap{max-width:1320px;margin:0 auto;padding:0 48px}.page{padding-top:52px;padding-bottom:72px;min-height:calc(100vh - 170px)}h1,h2,h3,p,figure{margin-top:0}h1,h2,h3{line-height:1.15;letter-spacing:-.035em}h1{font-size:clamp(44px,5.6vw,76px);font-weight:760;margin-bottom:22px}h2{font-size:clamp(26px,3vw,38px);font-weight:720;margin-bottom:20px}h3{font-size:23px}h1 em,h2 em{font-family:Georgia,"Times New Roman",serif;font-weight:500;color:var(--blue)}p{margin-bottom:18px}small,.muted{color:var(--muted)}small{font-size:14px;line-height:1.6}sub,sup{line-height:0}.eyebrow{font-size:12px;letter-spacing:.13em;text-transform:uppercase;font-weight:750;line-height:1.5;margin-bottom:18px}.lead{font-size:20px;line-height:1.55;max-width:800px}.actions{display:flex;align-items:center;flex-wrap:wrap;gap:14px 24px;margin:24px 0}.text-link{font-weight:650}.link-button{border:0;background:none;padding:0;color:var(--blue);font-size:14px;text-decoration:underline;text-underline-offset:4px;box-shadow:none!important}.link-button:hover{transform:none}.panel{padding:28px;border:1.5px solid var(--ink);border-radius:5px;margin-bottom:24px;background:var(--surface)}.blue{background:#244ec7;color:#fffdf7}.blue a,.blue small{color:#fffdf7}.yellow{background:var(--yellow);color:#142331}.yellow a{color:#183ca8}.teal{background:var(--teal);color:#142331}.teal a{color:#183ca8}.cream{background:var(--surface)}.two-columns{display:grid;grid-template-columns:1fr 1fr;gap:40px}.formula{font-family:Cambria,"Times New Roman",serif;font-size:19px;line-height:1.9;margin:16px 0;overflow-x:auto;padding:5px 0}.formula math{font-size:1.12em;margin:7px 0;white-space:nowrap}.formula sub,.formula sup{font-size:.75em}.large-equation{font-family:Georgia,serif;font-size:clamp(25px,3vw,36px);line-height:1.3;letter-spacing:-.03em}details{border-top:1px solid var(--line);padding:16px 0}summary{cursor:pointer;font-weight:650;font-size:15px;line-height:1.55;list-style:none;display:flex;align-items:baseline;justify-content:space-between;gap:14px}summary::-webkit-details-marker{display:none}summary:after{content:"＋";color:var(--blue);font-size:20px;font-weight:400}details[open]>summary:after{content:"−"}details[open]>summary{margin-bottom:16px}details p:last-child{margin-bottom:0}.tabs{display:flex;gap:4px;margin:26px 0 30px;padding-bottom:8px;border-bottom:1.5px solid var(--ink);overflow-x:auto}.tabs button{border:0;white-space:nowrap;background:transparent;border-radius:4px;font-weight:650;font-size:15px;padding:11px 18px}.tabs button[aria-selected=true]{background:var(--ink);color:var(--paper)}.tabs button:hover{box-shadow:none;transform:none;background:var(--teal);color:#142331}body:not(.js) [data-tab-group]{margin-bottom:60px}.page-heading{max-width:940px}.page-heading .lead{margin-bottom:10px}
/* Navigation */
.site-header{position:sticky;top:0;background:var(--paper);border-bottom:1px solid var(--ink);z-index:15}.header-inner{max-width:1320px;padding:19px 48px;margin:auto;display:flex;align-items:center;gap:28px}.wordmark{font-size:23px;letter-spacing:-.035em;line-height:1.1;font-weight:750;color:var(--ink);text-decoration:none;margin-right:auto;white-space:nowrap}.wordmark span{display:block;font-size:11px;font-weight:550;letter-spacing:.1em;text-transform:uppercase;margin-top:7px}#main-nav{display:flex;gap:24px;align-items:center}#main-nav a{color:var(--ink);text-decoration:none;white-space:nowrap;font-size:14px;font-weight:600;padding:7px 0;position:relative}#main-nav a[aria-current=page]{color:var(--blue)}#main-nav a[aria-current=page]:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--blue)}.menu-toggle{display:none!important}.site-footer{border-top:1px solid var(--ink);display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:24px;padding-bottom:28px;font-size:13px;color:var(--muted)}.site-footer p{margin:0}.site-footer p span{margin:0 8px}.site-footer>div{display:flex;flex-wrap:wrap;gap:14px 24px}.site-footer a{color:var(--ink)}
/* Home */
.home-intro{display:grid;grid-template-columns:1.13fr .87fr;gap:70px;padding:14px 0 44px;align-items:center}.home-intro h1{font-size:clamp(52px,6.7vw,90px);line-height:.98;margin:24px 0 30px}.home-intro .lead{max-width:570px}.home-aside{position:relative;padding:14px 0 20px}.chalk-note{position:relative;z-index:2;background:var(--surface);border:1.5px solid var(--ink);padding:28px 32px;box-shadow:5px 5px 0 var(--yellow);max-width:450px;transform:rotate(-1deg)}.chalk-note .large-equation{font-size:27px;white-space:nowrap}.chalk-note .large-equation span{color:var(--red)}.home-comic{max-width:290px;margin:22px 0 0 auto;border:1.5px solid var(--ink);border-radius:4px;transform:rotate(2deg)}.margin-note{display:block;font-family:Georgia,serif;font-style:italic;color:var(--muted);font-size:18px;text-align:right;margin:14px 0}.destinations{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:20px 0 42px}.destination{border:1.5px solid var(--ink);position:relative;padding:25px 23px 55px;border-radius:5px;text-decoration:none;color:inherit;transition:transform .18s,box-shadow .18s;min-height:265px}.destination:hover{transform:translateY(-5px);box-shadow:5px 5px 0 var(--ink)}.destination-number{font-size:11px;font-weight:750;letter-spacing:.1em;display:block;margin-bottom:30px}.destination h2{font-size:27px;margin-bottom:15px}.destination p{font-size:14px;line-height:1.55;margin:0}.destination .go{position:absolute;right:22px;bottom:18px;font-size:29px;line-height:1}.latest{display:grid;grid-template-columns:180px 1fr auto;gap:32px;border-top:1px solid var(--ink);padding-top:28px;align-items:center}.latest .eyebrow{margin:0;max-width:140px}.latest h2{font-size:26px;margin-bottom:8px}.latest p{font-size:15px;margin-bottom:0}
/* Research */
.research-layout{display:grid;grid-template-columns:minmax(0,1fr) 225px;gap:48px}.filters{padding:0 0 18px}.search-label input{display:block;width:100%;margin-top:5px}.filter-row{display:grid;grid-template-columns:1fr 1.4fr 1fr auto;gap:14px;align-items:end;margin-top:15px}.filter-row .link-button{padding:12px 0}.filters .muted{font-size:13px;margin:14px 0 0}.paper{border-top:1.5px solid var(--ink);padding:25px 0 28px;scroll-margin-top:110px}.paper-topline{display:flex;justify-content:space-between;gap:15px;font-size:12px;color:var(--muted);font-weight:650;margin-bottom:12px}.paper-topline b{margin:0 6px;color:var(--red)}.paper-layout{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:26px}.paper h2{font-size:24px;line-height:1.26;letter-spacing:-.025em;margin-bottom:12px}.authors{font-size:15px;line-height:1.45;margin-bottom:7px}.venue{font-size:14px;color:var(--muted);line-height:1.45;margin-bottom:14px}.paper-links{display:flex;flex-wrap:wrap;gap:12px 20px;font-size:14px;margin:15px 0}.paper details{padding-bottom:0;font-size:15px}.paper details .formula{font-size:18px}.comic{margin:0;max-width:310px}.comic>a{display:block;position:relative;text-decoration:none;color:var(--ink)}.comic img{width:100%;border:1.5px solid var(--ink);border-radius:4px;transition:transform .18s,box-shadow .18s}.comic a:hover img{transform:rotate(-1deg);box-shadow:4px 4px 0 var(--ink)}.comic a>span{display:block;font-size:12px;font-weight:650;color:var(--blue);padding-top:8px}.comic figcaption{font-family:Georgia,serif;font-style:italic;font-size:15px;color:var(--muted);margin-top:5px;line-height:1.4}.comic-small{width:145px;margin-top:4px}.comic-small figcaption{font-size:13px}.research-aside{padding-top:6px}.sticky-note{border:1px solid var(--ink);padding:24px;transform:rotate(1deg);margin-bottom:30px}.collection-number{font-size:64px;line-height:1;margin:22px 0 20px;font-weight:750;letter-spacing:-.06em}.collection-number span{font-size:20px;letter-spacing:-.02em}.side-note{border-top:1px solid var(--line);padding:24px 0;font-size:15px}.side-note h3{font-size:21px;margin-bottom:14px}.side-note .formula{font-size:17px}.pagination{border-top:1px solid var(--ink);align-items:center;justify-content:space-between;padding-top:24px;gap:16px}.pagination span{font-size:14px}.document-list{list-style:none;padding:0;margin:0}.document-list li{padding:19px 0;border-bottom:1px solid var(--line)}.document-list small{display:block;margin-top:6px}.document-list a{font-weight:550;line-height:1.5;display:block}.theme-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.theme-card{background:var(--surface);border:1.5px solid var(--ink);padding:28px 25px;border-radius:4px;box-shadow:0 5px 0 var(--blue)}.theme-card:nth-child(2){box-shadow:0 5px 0 var(--red)}.theme-card:nth-child(3){box-shadow:0 5px 0 var(--yellow)}.theme-card h2{font-size:31px}.theme-card .formula{font-size:17px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:17px 0}.theme-card>a{display:block;font-size:14px;font-weight:650;margin-top:17px}.mini-experiment{background:var(--paper);padding:18px;margin-top:18px;border:1px solid var(--line);border-radius:4px}
/* Teaching */
.course-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:55px}.course-title{padding:36px}.course-title h2{font-size:40px;margin-top:38px}.course-symbol{font:100px/1.2 Georgia,serif;display:block;margin:25px 0 30px;color:var(--yellow)}.sheet-picker{border:1.5px solid var(--ink);padding:24px;margin:28px 0;background:var(--surface);border-radius:4px}.sheet-controls{display:flex;gap:14px;margin-top:10px}.sheet-controls select{flex:1}.sheet-picker .actions{margin-bottom:0}.sheets{list-style:none;padding:0}.sheets li{display:flex;gap:20px;align-items:center;border-bottom:1px solid var(--line);padding:11px 0;font-size:14px}.sheets li span{margin-right:auto;font-weight:600}.crosslink{border-top:1px solid var(--line);margin-top:28px;padding-top:22px}.crosslink span{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:8px}.story-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:60px;align-items:start}.story-layout aside{padding-top:24px}.story-layout h2{font-size:38px}.story-layout .tabs{margin-top:0}.experiment{background:var(--surface);border:1.5px solid var(--ink);border-radius:5px;padding:24px;margin:26px 0}.experiment>svg{margin:10px auto 18px}.nails{display:flex;gap:80px;justify-content:center;padding:18px 0 30px}.nail{border:2px solid var(--ink);border-radius:100%;width:50px;height:50px;text-align:center;line-height:45px;font:italic 28px/45px Georgia,serif;background:var(--yellow);color:#142331;box-shadow:4px 5px 0 var(--line);transition:opacity .25s,transform .25s}.nail.removed{opacity:.16;transform:translateY(30px)}.nails-demo>.large-equation{text-align:center}.nails-demo .actions{justify-content:center}.nails-demo small{display:block}.history{list-style:none;padding:0}.history li{display:grid;grid-template-columns:120px 1fr;gap:15px;padding:17px 0;border-bottom:1px solid var(--line);font-size:14px}.history time{font-size:13px;color:var(--muted)}.history strong{display:block;font-size:16px}.history span{display:block;font-size:13px;color:var(--muted)}
/* ECO */
.definition{border:1.5px solid var(--ink);background:var(--surface);padding:22px 28px;margin:30px 0;border-radius:5px}.definition>summary{font-size:19px}.definition-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}.definition-grid p{font-size:15px}.axioms{list-style:none;counter-reset:axiom;padding:0;margin:0}.axioms li{counter-increment:axiom;border-bottom:1px solid var(--line);padding:8px 0 15px;margin-bottom:13px}.axioms li:last-child{border-bottom:0;margin-bottom:0}.axioms strong{display:block;font-size:14px}.axioms strong:before{content:"0" counter(axiom) " / ";color:var(--blue)}.axioms span{display:block;font:19px/1.65 Cambria,Georgia,serif;margin-top:4px}.axioms small{display:block;font-size:12px}.lab-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:40px}.lab-main h2{font-size:35px}.lab-main>.formula{background:var(--surface);border-left:3px solid var(--blue);padding:12px 16px;font-size:19px}.lab-aside .panel{padding:25px}.big-number{font-size:clamp(40px,5vw,58px);font-weight:750;line-height:1.15;letter-spacing:-.05em;margin:15px 0;overflow-wrap:anywhere}.lab-aside .panel p:last-child{margin-bottom:0}.lab-aside .panel .formula{font-size:17px}.control-heading{display:flex;gap:20px;justify-content:space-between;align-items:center;font-size:13px}.control-heading label{font-size:15px}.check-label{align-items:center;gap:8px;font-size:13px!important}.plot-caption{font-size:14px;color:var(--muted);line-height:1.55}.prominent{border-left:3px solid var(--red);padding-left:14px;color:var(--ink)}.selection-note{border-top:1px solid var(--line);padding-top:14px;font-size:15px;margin-bottom:0}.coefficient-inputs{gap:18px}.coefficient-inputs label{flex:1}.coefficient-inputs input{width:100%;margin-top:6px}.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;border-top:1px solid var(--line);padding-top:18px}.stat-row span{display:block;font-size:12px;color:var(--muted)}.stat-row strong{display:block;font-size:22px;margin-top:5px}.svg-label{font-family:Cambria,Georgia,serif;fill:var(--ink)}.svg-small{font:13px system-ui,sans-serif;fill:var(--muted)}.axis{stroke:var(--muted);stroke-width:1}.grid-line{stroke:var(--line);stroke-width:1}.region{fill:var(--teal);opacity:.55;stroke:var(--blue);stroke-width:1.5}.point{fill:var(--blue)}.selected-point{fill:var(--red);stroke:var(--surface);stroke-width:2}.monomial{cursor:pointer}.monomial:hover .point,.monomial:focus .point{fill:var(--red)}.monomial:focus{outline:none}.monomial:focus .hit{stroke:var(--red);stroke-width:2}.torus-line{fill:none;stroke:var(--blue);stroke-width:1;opacity:.45}.torus-ring{fill:none;stroke:var(--red);stroke-width:2.4}
/* About */
.about-grid{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:80px;margin-top:35px}.portrait{padding-top:6px}.portrait img{width:100%;aspect-ratio:3/4;object-fit:cover;border:1.5px solid var(--ink);border-radius:4px;box-shadow:7px 7px 0 var(--yellow)}.portrait p{font-family:Georgia,serif;font-size:19px;margin:22px 0 0}.portrait p span{font-family:system-ui,sans-serif;font-size:13px;color:var(--muted)}.milestones{display:flex;gap:45px;margin:32px 0}.milestones strong{display:block;font-size:30px;letter-spacing:-.04em}.milestones span{display:block;font-size:13px;color:var(--muted)}.merci{margin-top:38px}.merci h2{font-size:28px}.about-bottom{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:60px;margin-top:40px;align-items:start}.contact-panel{background:#142331;color:#fffdf7;border-radius:5px;padding:40px}.contact-panel h2{font-size:46px;margin:24px 0}.contact-panel a{color:#f5ca54}.contact-panel .email{font-size:clamp(16px,2.5vw,25px);overflow-wrap:anywhere}.contact-panel p:not(.eyebrow){font-size:14px;color:#c7d0d2;margin-top:30px}.running-aside>p{font-size:13px;color:var(--muted);margin-top:16px}.running-aside>a{font-size:14px}
/* Readers */
dialog{padding:28px;border:1.5px solid var(--ink);border-radius:6px;background:var(--paper);color:var(--ink);max-height:94vh;width:min(920px,94vw);overflow:auto}dialog::backdrop{background:#0a172ddd;backdrop-filter:blur(4px)}.reader-head{display:flex;align-items:center;justify-content:space-between;gap:25px;margin-bottom:20px}.reader-head h2{font-size:25px;margin:0}.reader-head button{white-space:nowrap}#reader-canvas{max-height:68vh;overflow-y:auto;overflow-x:hidden;background:var(--surface);border:1px solid var(--line)}#reader-image{max-height:68vh;width:auto;max-width:100%;margin:auto}#comic-reader{overflow-x:hidden}#comic-reader.reader-wide{width:94vw;max-width:94vw}#reader-canvas.zoomed #reader-image{max-height:none;width:100%;max-width:100%;height:auto}#reader-transcript{white-space:pre-line}.reader-tools{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-top:15px;font-size:14px}dialog details{margin-top:15px;font-size:15px}#copy-dialog{max-width:620px}#copy-close{margin-top:20px}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--paper);padding:10px 22px;border-radius:4px;z-index:40;font-size:14px}.noscript{padding:15px 24px;background:var(--yellow);color:#142331;font-size:14px}
@media(min-width:901px){.lab-aside{padding-top:8px}}
@media(max-width:1100px){.wrap{padding-left:32px;padding-right:32px}.header-inner{padding-left:32px;padding-right:32px;gap:20px}#main-nav{gap:18px}.home-intro{gap:40px}.chalk-note{padding:24px}.chalk-note .large-equation{font-size:23px}.destinations{grid-template-columns:repeat(2,1fr)}.destination{min-height:225px}.destination-number{margin-bottom:22px}.latest{grid-template-columns:150px 1fr}.latest>.button{grid-column:2;width:max-content}.research-layout{grid-template-columns:minmax(0,1fr) 195px;gap:30px}.comic-small{width:120px}.paper-layout{gap:18px}.theme-grid{gap:18px}.theme-card{padding:24px 20px}.theme-card h2{font-size:28px}.story-layout{grid-template-columns:minmax(0,1fr) 260px;gap:35px}.lab-layout{grid-template-columns:minmax(0,1fr) 240px;gap:28px}.about-grid{gap:50px}.control-heading{align-items:flex-start;flex-direction:column;gap:8px}}
@media(max-width:900px){.research-layout{grid-template-columns:1fr}.research-aside{display:none}.lab-layout{grid-template-columns:1fr}.lab-aside{display:grid;grid-template-columns:1fr 1fr;gap:24px}.lab-aside .panel,.lab-aside .side-note{margin-bottom:0}.theme-grid{grid-template-columns:1fr}.theme-card h2 br{display:none}.theme-card{display:block}.course-layout{gap:30px;grid-template-columns:.8fr 1.2fr}.course-title{padding:25px}.course-title h2{font-size:32px}.story-layout{grid-template-columns:minmax(0,1fr) 210px;gap:30px}.definition-grid{gap:28px}.home-intro{gap:28px}.home-comic{max-width:240px}.chalk-note .large-equation{white-space:normal}.about-grid{grid-template-columns:1fr 220px;gap:35px}.about-bottom{grid-template-columns:1fr 250px;gap:30px}.contact-panel{padding:30px}.contact-panel h2{font-size:38px}.milestones{gap:25px}#main-nav{gap:13px}#main-nav a{font-size:13px}.wordmark{font-size:20px}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
@media print{.site-header,.site-footer,.tabs,.js-only,.filters,.pagination{display:none!important}.page{padding:0;max-width:none}.research-layout,.lab-layout,.story-layout{display:block}.research-aside{display:none}.paper{break-inside:avoid}.comic{max-width:130px}.paper[hidden]{display:block!important}body{background:#fff;color:#000;font-size:11pt}.paper h2{font-size:16pt}a{color:#000}}

.js .pagination,.js .coefficient-inputs,.js .check-label{display:flex}

/* Rational-height explorer: number entry, slider and step buttons share one bound. */
.height-budget-controls>label{font-size:16px}.height-stepper{display:flex;align-items:center;gap:12px;margin:12px 0}.height-stepper input{width:110px;text-align:center;font-size:19px}.height-stepper button{width:46px;height:46px;padding:0;font-size:23px}#height-bound-range{display:block;width:100%;height:30px;margin:12px 0;pointer-events:auto;touch-action:pan-y}.control-status{font-weight:650;margin:5px 0 8px}.height-window-control{margin:24px 0 4px}.height-window-control select{max-width:310px;margin-top:6px}#visible-rational-count{display:block;color:var(--muted);font-size:13px;margin-top:8px}.rational-inputs{gap:18px}.js .rational-inputs{display:flex}.rational-inputs label{flex:1}.rational-inputs input{display:block;width:100%;margin-top:6px}.rational-point{cursor:pointer}.rational-point:hover{fill:var(--red)}.excluded-point{fill:var(--surface);stroke:var(--red);stroke-width:2.5}#rational-svg{min-height:150px}.lab-aside .side-note details{margin-top:16px}.lab-aside .side-note details .formula{white-space:normal}
/* Publication experiments */
.paper-explorer{margin-top:18px;border-top:1px solid var(--line);padding-bottom:0}.paper-explorer>summary{color:var(--blue);font-size:16px}.paper-explorer[open]{margin-top:24px;padding:22px;border:1.5px solid var(--ink);border-radius:5px;background:var(--surface)}.paper-explorer section>h3{font-size:27px;margin:15px 0 20px}.paper-explorer .eyebrow{margin-top:22px}.paper-explorer section>p{font-size:15px}.paper-explorer .formula{font-size:19px}.sampler-controls{gap:28px;grid-template-columns:1fr 1fr;margin:24px 0 10px}.js .sampler-controls{display:grid}.sampler-controls input[type=number]{width:120px;display:block;margin-top:9px;font-size:18px}.sampler-controls input[type=range]{display:block;height:28px;touch-action:pan-y}.sampler-controls label{font-size:14px;min-height:22px}.sampler-budget{font-size:14px;font-weight:600;color:var(--blue)}.polynomial-result{padding:22px;background:var(--paper);border:1px solid var(--line);border-radius:4px;margin:24px 0}.polynomial-result .eyebrow{font-size:10px;margin:0 0 13px}.polynomial-expression{font-family:Cambria,Georgia,serif;font-size:23px;line-height:1.7;overflow-wrap:anywhere;margin-bottom:12px}.polynomial-result>p:last-child{font-size:13px;margin:0;color:var(--muted)}.root-plot-toolbar{gap:22px;align-items:end;justify-content:space-between;margin-top:20px}.js .root-plot-toolbar{display:flex}.root-plot-toolbar select{font-size:13px;margin-top:6px}.root-circle-toggle{display:flex;align-items:center;gap:8px;font-size:13px;white-space:nowrap;padding-bottom:10px}.root-plot{max-width:620px;margin:14px auto}.root-plot-area{fill:var(--surface);stroke:var(--line)}.root-dot{fill:var(--blue);stroke:var(--surface);stroke-width:1.1}.unit-circle{stroke:var(--red);stroke-width:1.6;stroke-dasharray:5 5;fill:none;opacity:.65}.root-table-wrap{overflow-x:auto;max-height:300px}.root-table{width:100%;border-collapse:collapse;font-size:13px;font-variant-numeric:tabular-nums}.root-table th,.root-table td{padding:7px 10px;border-bottom:1px solid var(--line);text-align:right}.root-table th:first-child,.root-table td:first-child{text-align:left}.root-table th{position:sticky;top:0;background:var(--surface)}.coefficient-bounds{overflow-wrap:anywhere;font-size:13px!important;line-height:1.7}.manin-formula{font-family:Cambria,Georgia,serif;font-size:19px;padding:14px 0}.manin-formula p{margin-bottom:8px}.manin-formula math{font-size:1.1em;overflow-x:auto}.manin-controls{margin:20px 0}.manin-controls input[type=number]{width:110px;margin-top:9px;display:block;font-size:19px}.bound-comparison{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:24px 0}.bound-comparison>div{border:1px solid var(--line);border-radius:4px;padding:18px;background:var(--paper)}.bound-comparison span{font-size:12px;display:block}.bound-comparison strong{display:block;font-size:38px;line-height:1.2;margin-top:10px;color:var(--blue);letter-spacing:-.04em}.bound-comparison>div+div strong{color:var(--red)}.bound-exact-line{stroke:var(--blue);stroke-width:2.5;fill:none}.bound-simple-line{stroke:var(--red);stroke-width:2;stroke-dasharray:6 5;fill:none}.bound-guide{stroke:var(--line);stroke-width:1.5;stroke-dasharray:3 4}.research-play-links>a{display:block;font-size:13px;margin-top:15px}.manin-plot{margin:24px 0;max-width:650px}
@media(max-width:720px){.paper-explorer[open]{padding:17px}.sampler-controls{gap:18px}.sampler-controls label{min-height:44px}.root-plot-toolbar{flex-direction:column;align-items:start;gap:12px}.root-circle-toggle{padding:0}.polynomial-expression{font-size:20px}.bound-comparison{gap:12px}.bound-comparison>div{padding:15px}.bound-comparison strong{font-size:30px}.paper-explorer section>h3{font-size:25px}.manin-formula{font-size:17px}}
/* Stable Faltings heights: exact gamma expressions and every odd point in an interval. */
.faltings-picker{margin-top:24px}.faltings-picker input[type=range]{display:block;width:100%;height:28px;touch-action:pan-y}.faltings-value{padding:22px;background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:4px;margin:24px 0}.faltings-value>span{font-size:12px;color:var(--muted)}.faltings-value>strong{display:block;font-size:clamp(24px,4vw,39px);letter-spacing:-.035em;font-variant-numeric:tabular-nums;color:var(--blue);margin:12px 0;overflow-wrap:anywhere}.faltings-value>p{font-size:14px;margin:0}.faltings-exact-panel h4,.faltings-interval h4{font-size:19px;margin:26px 0 18px}.faltings-math{overflow-x:auto;padding:12px 0;font-size:20px}.faltings-math math{min-width:max-content;margin:0}.faltings-normalization{margin-top:24px}.faltings-normalization>p{font-size:14px}.faltings-interval{margin-top:30px;border-top:1px solid var(--line)}.faltings-interval-controls{grid-template-columns:minmax(0,1fr) minmax(0,1fr) auto;align-items:end;gap:16px}.js .faltings-interval-controls{display:grid}.faltings-interval-controls label{font-size:13px}.faltings-interval-controls input{display:block;width:100%;margin-top:8px}.faltings-plot-toolbar{flex-wrap:wrap;gap:18px;align-items:end;margin-top:24px}.js .faltings-plot-toolbar{display:flex}.faltings-plot-toolbar>label:first-child{font-size:13px}.faltings-plot-toolbar select{margin-top:8px;font-size:14px}.faltings-plot-toolbar .check-label{padding-bottom:10px}.faltings-plot-toolbar>button{padding:0;font-size:13px}.faltings-plot{display:block;width:100%;margin:24px 0 0;cursor:crosshair}.faltings-plot:focus-visible{outline:2px solid var(--blue);outline-offset:3px}.faltings-lower{fill:none;stroke:#16846d;stroke-width:2}.faltings-dot{cursor:pointer}.faltings-dot:hover{fill:var(--red)}.control-error{color:var(--red);font-size:14px;min-height:1.2em;margin:8px 0}.control-error:empty{display:none}.faltings-table-panel{margin-top:20px}.faltings-selected{pointer-events:none}
@media(max-width:720px){.faltings-math{font-size:17px}.faltings-interval-controls{grid-template-columns:1fr 1fr;gap:12px}.faltings-interval-controls>button{grid-column:1/-1}.faltings-value{padding:18px}.faltings-plot-toolbar{align-items:start;flex-direction:column;gap:14px}.faltings-plot-toolbar .check-label{padding-bottom:0}}
/* Maths Lab: a hub and separate experiment pages. */
.lab-navigation{display:flex;flex-wrap:wrap;gap:8px 12px;border-bottom:1px solid var(--line);padding-bottom:20px;margin:-10px 0 34px}.lab-navigation a{display:block;text-decoration:none;padding:8px 13px;border:1px solid transparent;border-radius:4px;font-size:13px;font-weight:650;color:var(--muted)}.lab-navigation a:hover{background:var(--surface);color:var(--ink)}.lab-navigation a[aria-current=page]{background:var(--ink);color:var(--paper);border-color:var(--ink)}.lab-heading{margin-bottom:28px}.lab-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:32px}.lab-card{display:block;position:relative;border:1.5px solid var(--ink);border-radius:5px;padding:28px 32px 54px;text-decoration:none;transition:transform .18s,box-shadow .18s;color:var(--ink)}.lab-card.yellow,.lab-card.teal{color:#142331}.lab-card:hover{transform:translateY(-4px);box-shadow:5px 5px 0 var(--ink)}.lab-card .eyebrow{display:block;font-size:11px;margin-bottom:22px}.lab-glyph{font-family:Cambria,Georgia,serif;font-size:clamp(30px,4vw,49px);line-height:1.25;letter-spacing:-.03em;margin-bottom:25px;color:var(--blue)}.lab-card.yellow .lab-glyph,.lab-card.teal .lab-glyph{color:#244ec7}.lab-card h2{font-size:29px;margin-bottom:15px}.lab-card p{font-size:16px;max-width:490px;line-height:1.6}.lab-card small{display:block;font-size:12px;letter-spacing:.01em}.lab-card.yellow small,.lab-card.teal small{color:#324954}.lab-card-arrow{position:absolute;bottom:19px;right:25px;font-size:28px}.lab-footer-note{border-top:1px solid var(--line);padding-top:22px;margin-top:36px;font-size:14px;color:var(--muted)}.lab-paper-link{margin:18px 0 28px;font-size:14px}.lab-workspace{max-width:960px;margin-right:auto}.lab-experiment{padding:28px 32px;border:1.5px solid var(--ink);border-radius:5px;background:var(--surface)}.lab-experiment section>h3{font-size:29px}.lab-experiment section>p{font-size:16px}.paper-lab-link{margin-top:16px;font-size:13px}.lab-experiment .mini-experiment{margin-top:28px;padding:24px;background:var(--paper);border:1px solid var(--line);border-radius:4px}
@media(max-width:720px){.lab-navigation{gap:4px;margin-bottom:26px}.lab-navigation a{padding:7px 9px;font-size:12px}.lab-card-grid{grid-template-columns:1fr;gap:18px}.lab-card{padding:24px 24px 50px}.lab-card h2{font-size:27px}.lab-glyph{font-size:37px;margin-bottom:18px}.lab-experiment{padding:20px 17px}.lab-experiment section>h3{font-size:25px}.lab-experiment section>p{font-size:15px}.lab-experiment .mini-experiment{padding:18px}}
/* Rational values in denominator rows, and the MERCI outreach poster. */
.rational-plot-scroll{overflow-x:auto;margin:22px 0 12px;border:1px solid var(--line);border-radius:4px;background:var(--surface)}.rational-plot-scroll svg{width:100%;min-width:530px}.rational-row-label{font-size:12px}.rational-value-grid{stroke-dasharray:4 5}.rational-selection-label{paint-order:stroke;stroke:var(--surface);stroke-width:4px;stroke-linejoin:round}.home-project{font-size:15px;line-height:1.65;max-width:575px;border-left:3px solid var(--yellow);padding-left:16px;margin-top:24px}.home-project a{font-weight:700}.merci-poster-layout{display:grid;grid-template-columns:minmax(0,1fr) 170px;gap:26px;align-items:start;margin-top:28px}.merci-poster-layout h3{font-size:22px}.merci-poster-layout p{font-size:15px}.merci-poster-layout .plot-caption{color:#324954;font-size:13px}.merci-poster-layout>.actions{margin:16px 0}.merci-poster{margin:0}.merci-poster a{display:block;text-decoration:none;font-size:12px;line-height:1.5}.merci-poster img{width:100%;height:auto;border:1px solid #142331;border-radius:3px;background:white;box-shadow:4px 4px 0 #142331}.merci-poster span{display:block;margin-top:13px}.lab-poster-link{font-size:14px;margin-top:18px}
@media(max-width:900px){.merci-poster-layout{grid-template-columns:1fr}.merci-poster{width:190px;max-width:100%}}
@media(max-width:720px){.home-project{font-size:14px}.rational-plot-scroll{margin-left:-5px;margin-right:-5px}}

/* Larger previews for the detailed eight-panel comics. */
.paper .comic-small.comic-extended{width:180px}
.story-layout.story-extended{grid-template-columns:minmax(0,1fr) 360px;gap:48px}
.story-extended .comic{max-width:360px}
.chalk-note [data-connection] .large-equation{white-space:normal}
.chalk-note [data-connection]>p:not(.large-equation){font-size:15px;line-height:1.6}
.chalk-note [data-connection]>a{font-size:15px}
@media(max-width:1100px){.paper .comic-small.comic-extended{width:150px}.story-layout.story-extended{grid-template-columns:minmax(0,1fr) 310px;gap:30px}}
@media(max-width:900px){.story-layout.story-extended{grid-template-columns:minmax(0,1fr) 250px;gap:28px}}
@media(max-width:720px){.paper .comic-small.comic-extended{width:136px}.story-layout.story-extended{grid-template-columns:1fr;gap:25px}.story-extended aside{width:100%;max-width:324px}.chalk-note [data-connection]>p:not(.large-equation),.chalk-note [data-connection]>a{font-size:14px}}
@media(max-width:420px){.paper .comic-small.comic-extended{width:112px}}

.contact-panel .email{display:block;color:#f5ca54}.contact-email{overflow-wrap:anywhere}
.reader-head h2{min-width:0;overflow-wrap:anywhere}.reader-tools{flex-wrap:wrap}
.surface-selector{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}.surface-selector button{font-size:14px}
.cycle-controls{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:28px}.cycle-weights{border:0;padding:0;margin:20px 0}.cycle-weights legend{font-weight:700;margin-bottom:12px}.cycle-entry-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(80px,1fr));gap:14px}.cycle-entry-grid label{min-width:0}.cycle-entry-grid input{display:block;width:100%;min-width:0;margin-top:5px;padding:9px 10px;border:1px solid var(--line);border-radius:4px;background:var(--surface);color:var(--ink);font:inherit}.cycle-entry-grid input[aria-invalid=true]{border-color:var(--red)}.cycle-value{padding:22px;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:4px;background:var(--paper);margin:25px 0}.cycle-value .eyebrow{font-size:11px}.cycle-exact{font-size:25px;color:var(--blue);margin:16px 0}.cycle-value .plot-caption{overflow-wrap:anywhere}.cycle-source-formulas{overflow-x:auto;font-size:18px}.cycle-source-formulas math{margin:18px 0}.js .cycle-controls{display:grid}
@media(max-width:720px){.cycle-controls{gap:16px}.cycle-value{padding:18px}.cycle-exact{font-size:21px}}

/* Research, reproducible experiments and responsive artwork. */
.home-intro{grid-template-columns:1.02fr .98fr;gap:48px;align-items:center}
.home-aside{display:flex;flex-direction:column;align-items:stretch;gap:20px}
.home-comic{display:block!important;width:100%;max-width:560px;height:auto;margin:0 auto;transform:rotate(1deg);box-shadow:7px 7px 0 var(--yellow)}
.home-aside .chalk-note{max-width:100%;padding:22px 26px;transform:rotate(-1deg)}
.chalk-note .large-equation{white-space:normal}.home-aside .margin-note{margin:0}
.bibliography-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin:0 0 25px}
.bibliography-toolbar>div{display:flex;flex-wrap:wrap;gap:8px}.bibliography-toolbar button{font-size:13px}
.compact-expand{display:none!important}.compact .compact-expand{display:inline-block!important}
.compact .paper{padding:17px 0}.compact .paper h2{font-size:20px;margin-bottom:6px}.compact .paper-layout{display:block}
.compact .paper figure,.compact .paper details,.compact .paper .paper-lab-link{display:none}
.compact .paper .paper-topline{margin-bottom:5px}.compact .paper .paper-links{margin:8px 0 0}.compact .paper .venue{margin-bottom:6px}
.summary-source{margin-top:18px;font-size:12px;color:var(--muted)}
.research-map-panel{margin-bottom:40px;border:1.5px solid var(--ink);padding:28px;border-radius:6px;background:var(--surface)}
.map-filters{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}.map-filters button{font-size:13px;padding:8px 11px}
.research-map{width:100%;margin:20px auto}.map-edge path{stroke:var(--line);stroke-width:1.8;fill:none}.map-edge text{font:13px system-ui;fill:var(--muted);paint-order:stroke;stroke:var(--surface);stroke-width:8px;stroke-linejoin:round}
.research-map a rect{fill:var(--paper);stroke:var(--blue);stroke-width:1.6}.research-map a text{font:600 17px system-ui;fill:var(--ink)}.research-map a:hover rect,.research-map a:focus rect{fill:var(--yellow)}.research-map a:hover text,.research-map a:focus text{fill:#142331}.research-map .map-muted{opacity:.2}
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@media(prefers-color-scheme:dark){.factor-power{fill:#e8a6f1;color:#e8a6f1}.factor-composite{fill:#8cd4b2;color:#8cd4b2}}
.root-plot-toolbar{flex-wrap:wrap}.polynomial-tool .actions{gap:10px}.polynomial-tool .actions button{font-size:14px}.lab-action-status:empty{display:none}
#reader-panel-view{padding:8px 0}#reader-panel-svg{max-width:900px;max-height:none;width:100%;height:auto;margin:0 auto;background:#fbf4df}#comic-reader.panel-mode{width:min(94vw,1020px);max-width:94vw}.reader-panel-controls{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:18px 0}.reader-panel-controls button{font-size:13px}.reader-panel-controls span{font-size:13px;white-space:nowrap}#reader-panel-description{max-width:75ch;margin:0 auto;white-space:normal}
.new-tab:not([data-map-topics]):after{content:' ↗';font-size:.78em;white-space:nowrap;display:inline}.wordmark.new-tab:after{position:absolute;right:-15px;top:0;font-size:10px}.wordmark{position:relative}.merci-french{margin-top:25px}.merci-updates{border-top:1px solid #14233155;margin-top:20px;padding-top:20px}.merci-updates h3{font-size:22px}.merci-updates time{font-weight:700}
@media(max-width:1100px){.home-intro{gap:32px}.home-comic{max-width:520px}}
@media(max-width:900px){.home-intro{grid-template-columns:1fr}.home-aside{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;align-items:center}.home-aside .margin-note{grid-column:1/-1}.home-comic{max-width:560px}.home-aside .chalk-note{padding:20px}.research-map-panel{padding:18px}}
@media(max-width:720px){.home-aside{display:flex;flex-direction:column;gap:25px}.home-comic{width:100%;max-width:540px}.home-aside .chalk-note{width:100%;padding:22px}.home-intro{padding-top:0;gap:18px}.research-map-panel{padding:16px 10px}.research-map{min-width:0}.research-map a text{font-size:20px}.map-edge text{font-size:15px}.lab-actions button{min-height:42px}.bibliography-toolbar>div{width:100%}}
@media(max-width:420px){.home-comic{display:block!important;width:100%;max-width:100%}.home-intro h1{font-size:54px}.reader-panel-controls{flex-wrap:wrap;justify-content:center}.reader-panel-controls button{padding:9px}.research-map a text{font-size:21px}}
@media print{.lab-actions,.bibliography-toolbar,.map-filters,.reader-panel-controls{display:none!important}}
.new-tab.has-link-icon:after{content:none}
body:not(.js) .lab-actions,body:not(.js) .cycle-presets{display:none!important}
/* Bright panels retain a complete light palette in either browser theme. */
.yellow,.teal{
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  --paper:#f7f4eb;--surface:#fffdf7;--line:#52606a;
  color:var(--ink);color-scheme:light;
}
/* Override the destination cards' inherited colour on the fixed blue surface. */
.blue{--muted:#fffdf7;color:#fffdf7}
.eco-weight-presets{display:flex!important;flex-wrap:wrap;gap:8px;margin:0 0 22px}
.eco-weight-presets button{font-size:12px;padding:8px 11px}
.eco-weight-controls{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.eco-weight-controls input{display:block;touch-action:pan-y}
.weighted-rule{font-size:16px;font-weight:650;margin:12px 0 0}
.eco-hull-control{margin:14px 0;line-height:1.5}
.integer-hull{fill:none;stroke:var(--red);stroke-width:2.5;stroke-dasharray:7 5;pointer-events:none}
.eco-comparison{margin-top:34px;padding-top:28px;border-top:1.5px solid var(--ink)}
.eco-comparison>h3{font-size:29px;margin-bottom:17px}
.eco-table-wrap{width:100%;overflow-x:auto;margin:22px 0}
.eco-comparison-table{border-collapse:collapse;width:100%;font-variant-numeric:tabular-nums;font-size:18px;background:var(--surface)}
.eco-comparison-table caption{text-align:left;font:14px/1.6 system-ui,sans-serif;color:var(--muted);padding:0 0 13px}
.eco-comparison-table th,.eco-comparison-table td{padding:17px 20px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
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.eco-comparison-table tbody th{font:650 16px/1.5 system-ui,sans-serif;width:46%}
.eco-comparison-table small{display:block;font:13px/1.5 system-ui,sans-serif;margin-top:5px;font-weight:400}
.eco-comparison-table td{font-family:Cambria,Georgia,serif;overflow-wrap:anywhere}
.eco-comparison-table strong{font-size:22px;color:var(--blue)}
.eco-theorem{padding:24px 27px;margin:24px 0;background:var(--surface);border-left:4px solid var(--blue)}
.eco-theorem h3{font-size:23px}.eco-theorem p:last-child{margin-bottom:0}
.eco-comparison-actions{display:flex;flex-wrap:wrap;gap:14px;margin:20px 0}
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.monomial-name{paint-order:stroke;stroke:var(--surface);stroke-width:3px;stroke-linejoin:round;pointer-events:none}
.dense-monomials .monomial-name{opacity:0}
.dense-monomials .monomial:hover .monomial-name,.dense-monomials .monomial:focus .monomial-name,.dense-monomials .monomial-chosen .monomial-name{opacity:1}
body:not(.js) .eco-weight-presets,body:not(.js) .eco-weight-controls,body:not(.js) .eco-comparison-actions{display:none!important}
@media(max-width:420px){.eco-weight-controls{grid-template-columns:1fr;gap:4px}}
.research-map-list{display:none}
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