/* Retain the masterclasses' simulations and semantic scan colours. */
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body.pocus-course h1,body.pocus-course h2,body.pocus-course h3{font-family:Georgia,"Times New Roman",serif}body.pocus-course h1{font-size:clamp(38px,4.2vw,58px);line-height:1.06}body.pocus-course .inner :is(.card,.scene,.demo){min-width:0}@media(max-width:650px){body.pocus-course h1{font-size:clamp(34px,9vw,46px)}}
body.pocus-course .course-overview-close{position:sticky;top:0;z-index:2;display:block;margin:0 0 18px auto;padding:12px 18px;border:1px solid var(--line2);border-radius:0;background:var(--panel);color:var(--ink);font:13px Inter,Arial,sans-serif;min-height:44px;cursor:pointer}
/* Editorial course layout: shared grid, illustrated introductions, restrained controls. */
body.pocus-course{font:15px/1.65 Inter,Arial,sans-serif}body.pocus-course .deck{top:150px;bottom:92px}body.pocus-course .inner{padding:32px var(--site-gutter) 42px;max-width:var(--site-width)}body.pocus-course .course-toolbar{position:fixed;top:92px;left:0;right:0;z-index:46;height:58px;border-bottom:1px solid var(--line);background:var(--bg)}body.pocus-course .course-toolbar-inner,body.pocus-course .course-bar-inner{max-width:var(--site-width);padding-inline:var(--site-gutter);margin:auto;display:flex;align-items:center;gap:24px;height:100%}body.pocus-course .course-breadcrumb{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--mute)}body.pocus-course .course-breadcrumb a{color:var(--accent);text-decoration:none}body.pocus-course .course-section-picker{margin-left:auto;max-width:390px}body.pocus-course .course-section-picker select{font:12px Inter,Arial,sans-serif;padding:10px 26px 10px 12px;background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:0;width:100%;min-height:38px}body.pocus-course .course-sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}body.pocus-course .course-start-grid{align-items:start;column-gap:42px;row-gap:26px;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr)}body.pocus-course .course-hero{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:30px;border-block:1px solid var(--line);padding:24px 0;margin:0 0 2px}body.pocus-course .course-hero h1{font:400 clamp(38px,4.2vw,56px)/1.06 Georgia,serif;letter-spacing:-.045em;margin:8px 0 16px}body.pocus-course .course-hero figure{margin:0;height:225px;overflow:hidden}body.pocus-course .course-hero img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}body.pocus-course .course-eyebrow{font:12px/1.6 ui-monospace,monospace;letter-spacing:.12em;text-transform:uppercase;color:var(--mute);margin:0 0 10px}body.pocus-course .course-hero-lead{font-size:15px;line-height:1.65;max-width:380px;margin:0;color:var(--ink2)}body.pocus-course .course-author{font-size:12px;color:var(--mute);margin:14px 0 0}body.pocus-course .course-intro .agenda{margin:0;max-width:none!important}body.pocus-course .course-intro .agenda li{font-size:12px;gap:15px;padding:10px 0}body.pocus-course .course-intro .agenda li span:last-child{white-space:nowrap}body.pocus-course .course-intro .mini{font:12px/1.6 Inter,Arial,sans-serif}body.pocus-course :is(.card,.panel,.side,.status,.plist li){border-radius:0;box-shadow:none}body.pocus-course :is(.card,.panel){background:var(--bg);border-color:var(--line)}body.pocus-course .card{padding:20px}body.pocus-course .card p{font-size:14px;line-height:1.7}body.pocus-course .callout{border-radius:0;border-left-width:2px;font-size:14px;padding:16px 20px}body.pocus-course .scanner{border-radius:2px}body.pocus-course .us{border-radius:0}body.pocus-course .btn,body.pocus-course .seg,body.pocus-course .tabs button,body.pocus-course .chip{border-radius:0;box-shadow:none;font-family:Inter,Arial,sans-serif;font-size:12px;letter-spacing:0}body.pocus-course .btn{min-height:40px;padding:10px 15px}body.pocus-course .chip{min-height:32px;padding:6px 10px}body.pocus-course .seg button{font:12px Inter,Arial,sans-serif;min-height:38px;padding:8px 14px}body.pocus-course .tabs button{min-height:38px;padding:8px 14px}body.pocus-course .ctrls{font:12px/1.6 Inter,Arial,sans-serif}body.pocus-course h2{font:400 clamp(28px,2.8vw,39px)/1.12 Georgia,serif;letter-spacing:-.035em}body.pocus-course h3{font:400 22px/1.25 Georgia,serif;letter-spacing:-.02em}body.pocus-course .kicker,body.pocus-course .cap{font-size:12px;letter-spacing:.12em}body.pocus-course .lede{font-size:15px;line-height:1.7;max-width:62ch}body.pocus-course .big-quote{font-style:normal;font-size:22px;line-height:1.5}body.pocus-course .hint{display:none}body.pocus-course .bar{height:56px;display:block;padding:0;background:var(--bg)}body.pocus-course .bar :is(.timer,#ntB,#thB,#fsB){display:none}body.pocus-course .bar button{border:0;border-radius:0;min-height:44px;font:12px Inter,Arial,sans-serif;padding:8px 0;background:none}body.pocus-course .bar #ovB{margin-left:auto;border-bottom:1px solid var(--line2);min-width:80px}body.pocus-course .bar #cnt{font:12px ui-monospace,monospace;color:var(--mute);min-width:45px;text-align:center}body.pocus-course .bar .pace{display:none}body.pocus-course #overview{inset:92px 0 92px;padding:24px var(--site-gutter)}body.pocus-course #overview .og{max-width:1128px;gap:0 26px}body.pocus-course #overview button{background:var(--bg);border:0;border-radius:0;box-shadow:none;border-bottom:1px solid var(--line);min-height:100px;padding:18px 0}body.pocus-course #overview button.cur{box-shadow:inset 2px 0 var(--accent);padding-left:16px}body.pocus-course #overview .course-overview-close{min-height:44px;padding:10px 16px;border:1px solid var(--line);background:var(--bg);margin-bottom:18px}body.pocus-course :is(button,input,select,a):focus-visible{outline:2px solid var(--accent);outline-offset:4px}body.pocus-course #notes{bottom:98px;border-radius:0}
@media(max-width:900px){body.pocus-course .course-toolbar{top:80px}body.pocus-course .deck{top:138px}body.pocus-course #overview{top:80px}}
@media(max-width:700px){body.pocus-course .course-start-grid{grid-template-columns:minmax(0,1fr)}body.pocus-course .course-hero{grid-template-columns:minmax(0,1fr);gap:12px;padding:20px 0}body.pocus-course .course-hero figure{height:170px}body.pocus-course .course-hero h1{font-size:40px}body.pocus-course .course-hero-lead{font-size:14px}body.pocus-course .course-toolbar-inner{gap:12px}body.pocus-course .course-breadcrumb{font-size:12px;gap:8px}body.pocus-course .course-breadcrumb>span:last-child{display:none}body.pocus-course .course-section-picker{max-width:240px;min-width:0}body.pocus-course .course-section-picker select{font-size:12px;max-width:100%;text-overflow:ellipsis}body.pocus-course .inner{padding:22px 24px 30px}body.pocus-course .course-toolbar-inner,body.pocus-course .course-bar-inner{padding-inline:24px;gap:16px}body.pocus-course #overview{padding:20px 24px}body.pocus-course .course-card{padding:18px}body.pocus-course .course-intro .agenda li{font-size:12px}body.pocus-course .course-bar-inner{gap:12px}body.pocus-course .bar #cnt{min-width:40px}body.pocus-course .bar button{font-size:14px}body.pocus-course .bar #ovB{min-width:74px}body.pocus-course #overview .og{gap:0 18px}body.pocus-course .card p{font-size:14px}}
/* Section changes are immediate; movement belongs in the teaching simulations. */
body.pocus-course .slide,body.pocus-course .slide.active{transition:none;transform:none}body.pocus-course .agenda li{border-bottom-style:solid}body.pocus-course .eq{border-radius:0}body.pocus-course .card p.mini{font:12px/1.7 Inter,Arial,sans-serif;letter-spacing:0}

body.pocus-course .geometry-layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:24px}@media(max-width:700px){body.pocus-course .geometry-layout{grid-template-columns:minmax(0,1fr)}body.pocus-course .ctrls>*,body.pocus-course .seg{min-width:0;max-width:100%}body.pocus-course .ctrls input[type=range]{min-height:44px;touch-action:pan-y}body.pocus-course :is(.btn,.seg button,.tabs button,.chip){min-height:44px}body.pocus-course .course-section-picker select,body.pocus-course input[type=number]{font-size:16px}body.pocus-course .course-section-picker{flex:1}body.pocus-course .tabs{flex-wrap:wrap}}
/* Navigation shell (18 Oct 2026): parts, where-am-I, rail, grouped contents, keyboard help. Nothing below 12px. */
body.pocus-course .ntf-copyright,body.pocus-course .course-author,body.pocus-course :is(.kicker,.cap,.course-eyebrow){font-size:12px}
body.pocus-course .course-cnt-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;min-width:0!important}
body.pocus-course .bar .course-btn-arrow{font-size:1.05em}
body.pocus-course .bar .series-next-short{display:none}
body.pocus-course .bar #nextB.series-next-lecture{color:var(--accent);font-weight:550}
/* Contents overlay */
body.pocus-course #overview{padding:0 var(--site-gutter) 40px}
body.pocus-course #overview .course-ov-head{position:sticky;top:0;z-index:3;display:flex;align-items:flex-end;gap:28px;max-width:var(--site-width);margin:0 auto 8px;padding:18px 0 16px;background:var(--bg);border-bottom:1px solid var(--line)}
body.pocus-course #overview .course-ov-title{flex:0 0 auto;max-width:44%}
body.pocus-course #overview .course-ov-kicker{font:12px/1.4 'NTF Mono',ui-monospace,monospace;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin:0}
body.pocus-course #overview .course-ov-title h2{font:400 28px/1.15 'NTF Serif',Georgia,serif;letter-spacing:-.02em;margin:4px 0 4px}
body.pocus-course #overview .course-ov-hint{font-size:13px;color:var(--ink2);margin:0}
body.pocus-course #overview kbd,body.pocus-course .course-keys kbd{font:12px/1 'NTF Mono',ui-monospace,monospace;border:1px solid var(--line2);padding:2px 5px;background:var(--panel);color:var(--ink)}
body.pocus-course #overview .course-ov-search{flex:1 1 auto;min-width:0}
body.pocus-course #overview .course-ov-search .series-search{margin:0;max-width:none}
body.pocus-course #overview .course-ov-search .series-search label{font-size:13px;margin:0 0 6px;color:var(--ink2)}
body.pocus-course #overview .course-ov-search .series-result-count{min-height:0;margin:4px 0 0}
body.pocus-course #overview .course-ov-search .series-result-count:empty{display:none}
body.pocus-course #overview .course-ov-head .course-overview-close{position:static;flex:none;margin:0;min-height:48px;padding:10px 16px;border:1px solid var(--line2);background:var(--panel);font:15px 'NTF Sans',Inter,Arial,sans-serif;color:var(--ink);cursor:pointer}
body.pocus-course #overview .course-ov-body{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;max-width:var(--site-width);margin:0 auto}
body.pocus-course #overview .course-ov-main{min-width:0}
body.pocus-course #overview #ovGrid.course-flat{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:28px;max-width:none;margin:0;gap:0 28px}
body.pocus-course #overview #ovGrid.course-flat button{display:flex;align-items:baseline;gap:14px;width:100%;min-height:52px;margin:0;padding:12px 10px;text-align:left;background:none;border:0;border-bottom:1px solid var(--line);border-radius:0;box-shadow:none;cursor:pointer;color:var(--ink)}
body.pocus-course #overview #ovGrid.course-flat button:hover{background:var(--accent-soft)}
body.pocus-course #overview #ovGrid.course-flat button.cur{background:var(--accent-soft);box-shadow:inset 3px 0 var(--accent);padding-left:14px}
body.pocus-course #overview #ovGrid.course-flat .on{flex:none;font:12px/1.4 'NTF Mono',ui-monospace,monospace;color:var(--accent);letter-spacing:.06em;margin:0}
body.pocus-course #overview #ovGrid.course-flat .ot{display:block;font:17px/1.4 'NTF Sans',Inter,Arial,sans-serif;margin:0}
body.pocus-course #overview .om{display:none}
/* Keyboard help */
body.pocus-course .course-keys{position:fixed;right:max(16px,calc((100vw - var(--site-width))/2 + var(--site-gutter)));bottom:104px;z-index:70;width:min(360px,calc(100vw - 32px));background:var(--panel);border:1px solid var(--line2);padding:18px 20px;font:15px/1.5 'NTF Sans',Inter,Arial,sans-serif;color:var(--ink)}
body.pocus-course .course-keys-title{font:12px/1.4 'NTF Mono',ui-monospace,monospace;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin:0 0 10px}
body.pocus-course .course-keys dl{margin:0}
body.pocus-course .course-keys dl>div{display:grid;grid-template-columns:110px minmax(0,1fr);gap:12px;padding:6px 0;border-bottom:1px solid var(--line)}
body.pocus-course .course-keys dt,body.pocus-course .course-keys dd{margin:0}
body.pocus-course .course-keys-close{margin-top:12px;min-height:44px;padding:8px 14px;border:1px solid var(--line2);background:var(--bg);font:15px 'NTF Sans',Inter,Arial,sans-serif;cursor:pointer;color:var(--ink)}
@media(max-width:900px){body.pocus-course .bar #ovB{margin-left:auto}}
@media(max-width:900px){
 body.pocus-course #overview .course-ov-head{flex-wrap:wrap;align-items:center;gap:10px 16px;padding:14px 0 12px}
 body.pocus-course #overview .course-ov-title{flex:1 1 auto;max-width:none;min-width:0}
 body.pocus-course #overview .course-ov-title h2{font-size:22px}
 body.pocus-course #overview .course-ov-search{order:3;flex:1 1 100%}
 body.pocus-course #overview .course-ov-body{display:block}
 body.pocus-course #overview #ovGrid.course-flat{grid-template-columns:minmax(0,1fr)}
}
@media(max-width:700px){
 body.pocus-course .bar .course-bar-inner{gap:4px;padding-inline:12px}
 body.pocus-course .bar :is(#prevB,#nextB){min-width:44px;font-size:20px;padding:0}
 body.pocus-course .bar :is(#prevB,#nextB) .course-btn-label{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
 body.pocus-course .bar #nextB.series-next-lecture{font-size:14px;padding:0 4px}
 body.pocus-course .bar #nextB.series-next-lecture .course-btn-label{position:static;width:auto;height:auto;clip-path:none}
 body.pocus-course .bar .series-next-long{display:none}
 body.pocus-course .bar .series-next-short{display:inline}
 body.pocus-course .bar #ovB{font-size:14px;min-width:0;padding:0 8px}
 body.pocus-course .course-keys{bottom:100px}
}
html body.pocus-course #overview{padding-top:0}
@media(max-width:900px){
 html body.pocus-course #overview{padding-inline:18px}
 body.pocus-course #overview .course-ov-head{flex-wrap:wrap}
 body.pocus-course #overview .course-ov-title{flex:1 1 0}
 body.pocus-course #overview .course-ov-head .course-overview-close{min-height:44px;padding:8px 12px}
 body.pocus-course #overview .course-ov-hint{display:none}
 body.pocus-course #overview .course-ov-search .series-search label{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
 body.pocus-course #overview .course-ov-search .series-search input{min-height:44px;font-size:16px}
}
@media(min-width:701px){body.pocus-course .bar :is(#prevB,#nextB,#ovB){font-size:15px}}
body.pocus-course .ntf-footer{font-size:12px}body.pocus-course .ntf-footer .ntf-copyright a{font-size:inherit}
body.pocus-course .ntf-footer .ntf-footer-identity>span{font-size:12px}

/* One continuous deck: Previous/Next and Contents navigate; the top section picker stays in the DOM for engines but is not shown. */
body.pocus-course .course-section-picker{display:none}
/* Phones: long agenda labels wrap instead of running off the slide. */
@media(max-width:700px){body.pocus-course .course-intro .agenda li span:last-child{white-space:normal;text-align:right;min-width:0}}
/* With the picker gone, phones have room for the lecture name in the breadcrumb. */
@media(max-width:900px){body.pocus-course .course-breadcrumb>span:last-child{display:inline;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}