:root{color-scheme:light;--paper:#f7f4e9;--ink:#191b17;--accent:#b43b27;--muted:#56584f;--rule:#b9b9ad}
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.document-page .skip{position:absolute;top:-100px;left:20px;padding:12px;background:var(--paper);z-index:10}
.document-page .skip:focus{top:10px}
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.document-masthead{min-height:75px;border-bottom:1px solid var(--ink);padding:13px 0}
.document-masthead .document-home{font-size:12px;font-weight:650;text-decoration:none;min-height:44px;display:flex;align-items:center;gap:15px}
.document-home span{font-weight:400}
.document-masthead nav{display:flex;gap:27px}
.document-masthead nav a{font:12px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;display:inline-flex;align-items:center;min-height:44px;text-decoration:none}
.document-masthead nav a[aria-current=page]{text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px}
.document-shell{position:relative;max-width:1200px;margin:auto;min-height:55vh;isolation:isolate}
.document-shell::before{content:"";position:absolute;inset:38px auto 0 0;width:155px;z-index:-1;background:url('/v7-rail-desktop.svg') left top/140px 420px repeat-y;opacity:.72;pointer-events:none}
.document-page main{max-width:none;width:auto;min-width:0;margin:0 110px 0 230px;padding:52px 0 65px;outline:none}
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.document-page .bibliography>li{padding:24px 0 27px;border-bottom:1px solid var(--rule)}
.document-page .bibliography .row{display:grid;grid-template-columns:70px minmax(0,1fr);gap:20px}
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.document-page abbr.badge{display:block;background:none!important;white-space:normal;text-decoration:none}
.document-page .preview{max-width:70px;height:auto}
.document-page .bibliography .title{font:25px/1.3 Georgia,serif;letter-spacing:-.3px;margin-bottom:10px}
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.document-page .author em{font-style:normal;color:var(--ink)}
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.document-page .pub-award,.document-page .pub-annotation{font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;margin-bottom:10px}
.document-page .pub-award{color:var(--accent)}
.document-page .links{display:flex;flex-wrap:wrap;gap:0 19px;margin-top:10px}
.document-page .links :is(a,button){font:13px/1.4 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;padding:8px 0;min-height:44px;display:inline-flex;align-items:center;color:var(--ink);border:0;background:none;text-decoration:underline;text-underline-offset:4px;cursor:pointer}
.document-page .links button[aria-expanded=true]{color:var(--accent);text-decoration-thickness:2px}
.document-page .links button[aria-expanded=true]::before{content:'−';margin-right:5px}
.document-page .bibliography :is(.abstract,.bibtex,.award).hidden{margin-top:14px;font-size:16px;line-height:1.75}
.document-page.archive-enhanced .bibliography :is(.abstract,.bibtex,.award).hidden{display:none}
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.document-page code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
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.document-page .post-list{list-style:none;padding:0;margin:0}
.document-page .post-list>li{padding:20px 0 28px;border-bottom:1px solid var(--rule)}
.document-page .post-list h3{font-size:31px;line-height:1.2;margin-bottom:17px}
.document-page .post-list h3 a{text-decoration:none}
.document-page .post-list h3 a:hover{text-decoration:underline}
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.document-page .post-tags a{display:inline-block;min-height:44px;padding-block:10px}
.document-page .table-responsive{overflow-x:auto}
.document-page table{border-collapse:collapse;width:100%;font-size:15px;line-height:1.5}
.document-page th,.document-page td{padding:15px 13px;border-bottom:1px solid var(--rule);vertical-align:top;text-align:left}
.document-page th{font-weight:500}
.document-page .archive th{width:130px;font-size:13px;color:var(--muted);padding-left:0}
.document-page .archive td a{font:24px/1.35 Georgia,serif}
.document-page .archive td{padding-right:0}
.document-page img,.document-page video{max-width:100%;height:auto}
.document-page .btn-primary{display:inline-flex;align-items:center;min-height:44px}
.document-page .sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
/* The essay keeps its original figures, local scroll containers and scientific controls. */
.essay-page main{font:18px/1.75 Georgia,"Iowan Old Style",serif;max-width:800px}
.essay-page .document-shell{max-width:1200px}
.essay-page .site{display:block;font:12px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;margin:0 0 24px;color:var(--muted)}
.essay-page h1{font-size:clamp(34px,3.7vw,51px);line-height:1.08;margin-bottom:20px;text-wrap:balance}
.essay-page h2{font-size:30px;margin-top:54px}
.essay-page .meta{font:13px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--muted);margin-bottom:26px}
.essay-page #fig-animation{margin-bottom:36px}
.essay-page #fig-animation video{border-radius:0;max-height:680px}
.essay-page figcaption{font:13px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--muted)}
.essay-page .summary{background:none;border:0;border-top:2px solid var(--accent);border-bottom:1px solid var(--rule);border-radius:0;padding:15px 0;margin-bottom:30px}
.essay-page .summary p{margin:0 0 16px}.essay-page .summary p:last-child{margin-bottom:0}
.essay-page nav.toc{display:block;background:none;border-left:2px solid var(--accent);padding-left:18px;font:14px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;margin-bottom:32px}
.essay-page :is(.views button,.cite button){font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;min-height:44px;border-radius:0;background:var(--paper);color:var(--ink)}
.essay-page .views button[aria-pressed=true]{background:#eee4d6;border-color:var(--accent)}
.essay-page .scroll{max-width:100%;overflow-x:auto}
.essay-page table{font:13.5px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;width:auto;min-width:100%}
.essay-page th,.essay-page td{padding:6px 9px;text-align:right;border-bottom:1px solid #d1cfc4}
.essay-page th{background:#eeebdf}.essay-page th:first-child,.essay-page td:first-child{text-align:left}
.essay-page .card{border-radius:0;background:#f0eddf}.essay-page .card pre{font-size:12px;padding:0;background:none}
.essay-page .foot{border-top-color:var(--rule);color:var(--muted)}
@media(min-width:1440px){.document-masthead,.document-footer{max-width:1200px}}
@media(max-width:1280px){.document-masthead,.document-footer,.document-shell{margin-inline:40px}.document-page main{margin-left:180px;margin-right:70px}.document-shell::before{width:120px}}
@media(max-width:1050px){.document-masthead,.document-footer,.document-shell{margin-inline:24px}.document-page main{margin-left:135px;margin-right:20px}.document-shell::before{width:90px;background-size:100px 300px}.document-page .bibliography .row{grid-template-columns:55px minmax(0,1fr);gap:15px}.document-page .bibliography .title{font-size:23px}}
@media(max-width:700px){.document-masthead,.document-footer,.document-shell{margin-inline:20px}.document-masthead{flex-wrap:wrap;gap:0;padding:12px 0 9px}.document-masthead .document-home{flex-basis:100%;font-size:13px}.document-masthead nav{gap:27px}.document-page main{margin:0 0 0 30px;padding:35px 0 45px}.document-shell::before{top:0;left:-20px;width:35px;background:url('/v7-rail-mobile.svg') left top/64px 340px repeat-y;opacity:.78}.document-page h1{font-size:40px;letter-spacing:-1.2px}.document-page h2{font-size:26px}.document-page .post-header,.document-page .header-bar{padding-bottom:22px;margin-bottom:22px}.document-page .bibliography .row{display:block}.document-page .abbr{padding:0 0 9px}.document-page abbr.badge{display:inline}.document-page .preview{display:none}.document-page .bibliography .title{font-size:24px}.document-page .links{gap:0 22px}.document-page .links :is(a,button){font-size:14px}.document-page .bibliography>li{padding-top:23px}.document-page .document-footer{align-items:flex-start;flex-direction:column;gap:0;padding:14px 0}.document-page .post-list h3{font-size:28px}.document-page .archive th{width:90px;padding-right:14px;font-size:12px}.document-page .archive td a{font-size:22px}.essay-page main{font-size:17px;line-height:1.75}.essay-page h1{font-size:35px;letter-spacing:-1px}.essay-page .nw{white-space:normal}.essay-page h2{font-size:27px}.essay-page #fig-animation{margin-inline:0}.essay-page #fig-animation figcaption{padding:0}.essay-page #fig-animation video{max-height:none}.essay-page :is(#fig-cost,#fig-parts,#tab-match,#tab-speed){margin-inline:0}.essay-page .fig1 .ctl{grid-template-columns:1fr}.essay-page .fig1 .hint{margin-left:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.document-page *{animation:none!important;transition:none!important}}
@media print{.document-shell::before,.document-masthead,.document-footer,.skip{display:none!important}.document-page main{margin:0;padding:0}.document-page{background:white}}

.document-page .more-authors{font:inherit;color:inherit;background:none;border:0;padding:0;min-height:44px;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
@media(max-width:700px){.essay-page .ex>div{min-width:0;flex-basis:100%}.essay-page .fig1 .ctl button{overflow-wrap:anywhere}}
@media(max-width:1280px){.essay-page :is(#fig-cost,#fig-parts,#tab-match,#tab-speed){margin-inline:0}}
.document-page h1{overflow-wrap:anywhere}
.essay-page #how-to-cite+p{overflow-wrap:anywhere}