*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--copy);font:var(--step,17px)/1.6 var(--font,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif)}
h1,h2,h3{font-family:var(--display-face,inherit);line-height:1.25}
h1{font-size:30px;margin:10px 0 8px}h2{font-size:22px;margin:32px 0 10px}h3{font-size:18px}
a{color:var(--hl)}a.tc{font-variant-numeric:tabular-nums;text-decoration:none;border-bottom:1px dotted}
img{max-width:100%}
.page-head,.colophon,.container{max-width:var(--col-w,820px);margin:0 auto;padding:0 20px}
.page-head{display:flex;align-items:center;gap:14px;padding-top:9px;padding-bottom:9px;color:var(--dim);font-size:14px}
.page-head h1{margin:0}
.container:first-child{padding-top:24px}
.logo-link{color:var(--copy);text-decoration:none;font-weight:700;font-size:18px}.logo-link .emblem{margin-right:8px}
.logo-link .emblem:only-child{margin-right:0}
.colophon{padding-top:16px;padding-bottom:28px;color:var(--dim);font-size:14px}
.container{padding-bottom:40px}
.lead-text{color:var(--dim);margin:0 0 24px}
.credits{color:var(--dim);font-size:14px;margin:0 0 20px}
.trail{font-size:14px;color:var(--dim);margin:16px 0 0}.trail a{color:var(--dim)}
.media{display:block;position:relative;aspect-ratio:16/9;background:#000;border-radius:var(--rad,10px);overflow:hidden;margin:24px 0 6px}
.media img.screen{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.85;display:block}
.media img{width:100%;height:100%;object-fit:cover;opacity:.85;display:block}
.media iframe{position:relative;z-index:1;width:100%;height:100%;border:0;display:block}
.media.is-loading::before{content:"";position:absolute;inset:0;background:rgba(0,0,0,.45);z-index:2;pointer-events:none}
.media.is-loading::after{content:"";position:absolute;left:50%;top:50%;width:26px;height:26px;margin:-13px 0 0 -13px;
border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;z-index:3;pointer-events:none;
animation:rotate .8s linear infinite}
@keyframes rotate{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){.media.is-loading::after{animation-duration:2.4s}}
.clip-note,.via{font-size:14px;color:var(--dim)}.clip-note{margin:0 0 20px}
.hint-box{font-size:15px;line-height:1.5;margin:0 0 22px;padding:10px 14px;border-radius:var(--rad,8px);background:var(--cell-bg,rgba(127,127,127,.08));border-left:3px solid var(--hl)}
.embed-link{display:block;text-decoration:none}
.embed-link>a{display:block;width:100%;height:100%}
.embed-link .run-btn{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);box-sizing:border-box;z-index:2;padding:0;cursor:pointer;
width:var(--run-btn-w,72px);height:var(--run-btn-h,50px);border-radius:var(--run-btn-radius,14px);
background:var(--run-btn-bg,rgba(17,17,17,.74));border:var(--run-btn-border,0);box-shadow:var(--run-btn-shadow,0 2px 12px rgba(0,0,0,.3));
display:flex;align-items:center;justify-content:center;transition:transform .15s,filter .15s}
.embed-link .run-btn::after{content:"";display:block;margin-left:calc(var(--run-btn-h,50px)*.06);border-style:solid;
border-width:calc(var(--run-btn-h,50px)*.21) 0 calc(var(--run-btn-h,50px)*.21) calc(var(--run-btn-h,50px)*.34);
border-color:transparent transparent transparent var(--run-btn-ink,#fff)}
.embed-link .run-btn:hover,.embed-link .run-btn:focus-visible{transform:translate(-50%,-50%) scale(1.07);filter:brightness(1.1)}
.item .embed-link .run-btn{width:var(--run-btn-w-m,58px);height:var(--run-btn-h-m,40px);border-radius:var(--run-btn-radius-m,12px)}
.item .embed-link .run-btn::after{margin-left:calc(var(--run-btn-h-m,40px)*.06);
border-width:calc(var(--run-btn-h-m,40px)*.21) 0 calc(var(--run-btn-h-m,40px)*.21) calc(var(--run-btn-h-m,40px)*.34)}
.via{border-top:1px solid var(--hair);padding-top:12px;margin-top:28px}
.key-points{background:var(--cell-bg,#f4f7fb);border-left:4px solid var(--hl);border-radius:var(--rad,8px);padding:12px 18px;margin:20px 0}.key-points h2{margin:0 0 8px;font-size:18px}.key-points ul{margin:0;padding-left:20px}
.chapters{margin:20px 0}.chapters summary{cursor:pointer;font-weight:600}.chapters ol{margin:8px 0 0;padding-left:22px;font-size:15px}.chapters a{text-decoration:none}
.answers details{border-top:1px solid var(--hair);padding:10px 0}.answers summary{cursor:pointer;font-weight:600}
.more-posts{margin-top:36px}.more-posts h2{font-size:20px}.more-posts ul{padding-left:20px}.more-posts li{margin:8px 0}.more-posts span{color:var(--dim);font-size:15px}
.pager{display:flex;justify-content:space-between;gap:16px;font-size:15px;margin-top:24px;padding-top:12px;border-top:1px solid var(--hair)}.pager a[rel=next]{margin-left:auto;text-align:right}
blockquote{border-left:3px solid var(--hl);margin:16px 0;padding:4px 16px;color:var(--dim)}
hr{border:0;border-top:1px solid var(--hair);margin:28px 0}
table{border-collapse:collapse;width:100%;font-size:15px}td,th{border:1px solid var(--hair);padding:6px 10px;text-align:left}
.feed{display:grid;gap:28px}
.item{background:var(--cell-bg,transparent);border-radius:var(--rad,8px);box-shadow:var(--tile-shadow,none);border:var(--card-border,0)}
.item .media{margin:0}
.item-text{padding:var(--box-pad,10px 0 0)}
.item h2{margin:0 0 6px;font-size:20px}.item h2 a{color:var(--copy);text-decoration:none}
.item h2 a:hover,.item h2 a:focus-visible{color:var(--hl);text-decoration:underline;text-underline-offset:3px}
.item p{margin:0 0 6px;color:var(--dim);font-size:15px}.item time{font-size:13px;color:var(--dim)}
.item p.snippet{color:var(--copy);font-size:16px;line-height:1.6;margin:0 0 10px}.l-hero .item.featured p.snippet{font-size:17px}
.m-grid .feed{grid-template-columns:minmax(0,1fr)}
@media(min-width:668px){.m-grid .feed{grid-template-columns:repeat(2,minmax(0,1fr))}}
.l-hero .feed{grid-template-columns:minmax(0,1fr)}
@media(min-width:628px){.l-hero .feed{grid-template-columns:repeat(2,minmax(0,1fr))}}
.l-hero .item.featured{grid-column:1/-1}.l-hero .item.featured h2{font-size:28px}
.layout-row .feed,.view-strip-r .feed{gap:22px}
.layout-row .item,.view-strip-r .item{display:grid;grid-template-columns:240px minmax(0,1fr);align-items:start;gap:18px;overflow:hidden}
.item>:only-child{grid-column:1/-1}
.nav-pages{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:center;margin:34px 0 10px}
.nav-pages a,.nav-pages b{display:inline-block;min-width:40px;padding:8px 12px;text-align:center;border-radius:var(--rad,8px);
border:1px solid var(--hair);text-decoration:none;color:var(--copy);font-size:15px;line-height:1.2}
.nav-pages a:hover{border-color:var(--hl);color:var(--hl)}
.nav-pages b{background:var(--hl);border-color:var(--hl);color:var(--paper)}
.nav-pages span{color:var(--dim);padding:0 2px}
.view-strip-r .item{grid-template-columns:minmax(0,1fr) 240px}
.view-strip-r .item>.embed-link{order:2}
.layout-row .item-text,.view-strip-r .item-text{padding:var(--box-pad,4px 12px 12px 0)}
.layout-row .item h2,.view-strip-r .item h2{font-size:19px}
@media(max-width:700px){.layout-row .item,.view-strip-r .item{grid-template-columns:minmax(0,1fr)}.view-strip-r .item>.embed-link{order:0}}
.two-col .feed{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
@media(max-width:700px){.two-col .feed{grid-template-columns:minmax(0,1fr)}}
.l-dense .feed{grid-template-columns:minmax(0,1fr);gap:18px}
@media(min-width:498px){.l-dense .feed{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:736px){.l-dense .feed{grid-template-columns:repeat(3,minmax(0,1fr))}}
.l-dense .item h2{font-size:17px}.l-dense .item p{font-size:14px}
.full-view .feed{grid-template-columns:minmax(0,1fr);gap:34px}
.full-view .item h2{font-size:24px}
.full-view .item.featured h2{font-size:30px}
@media(min-width:498px) and (max-width:735.98px){
.l-dense .item:nth-child(2n+1):last-child{grid-column:span 2;display:grid;grid-template-columns:calc((100% - 18px)/2) minmax(0,1fr);column-gap:18px;align-items:start}
}
@media(min-width:736px){
.l-dense .item:nth-child(3n+1):last-child{grid-column:span 3;display:grid;grid-template-columns:calc((100% - 36px)/3) minmax(0,1fr);column-gap:18px;align-items:start}
.l-dense .item:nth-child(3n+2):last-child{grid-column:span 2;display:grid;grid-template-columns:calc((100% - 18px)/2) minmax(0,1fr);column-gap:18px;align-items:start}
}
@media(min-width:668px){
.m-grid .item:nth-child(2n+1):last-child{grid-column:span 2;display:grid;grid-template-columns:calc((100% - 28px)/2) minmax(0,1fr);column-gap:28px;align-items:start}
}
@media(min-width:628px){
.l-hero .item:nth-child(2n+1 of .item:not(.featured)):last-child{grid-column:span 2;display:grid;grid-template-columns:calc((100% - 28px)/2) minmax(0,1fr);column-gap:28px;align-items:start}
}
@media not all and (max-width:700px){
.two-col .item:nth-child(2n+1):last-child{grid-column:span 2;display:grid;grid-template-columns:calc((100% - 24px)/2) minmax(0,1fr);column-gap:24px;align-items:start}
}
.layout-side.post-page .container{max-width:calc(var(--col-w,820px) + 300px)}
.entry-wrap{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;overflow-wrap:anywhere}
.layout-side .entry-wrap{grid-template-columns:minmax(0,1fr) 260px}
.layout-side .flank{position:sticky;top:20px;align-self:start;font-size:15px}
.layout-side .flank .chapters{margin:0 0 24px}.layout-side .flank .more-posts{margin-top:0}.layout-side .flank .more-posts h2{font-size:17px;margin-top:0}.layout-side .flank .more-posts ul{padding-left:18px}.layout-side .flank .more-posts span{display:none}
@media(max-width:900px){.layout-side .entry-wrap{grid-template-columns:minmax(0,1fr)}.layout-side .flank{position:static}.layout-side.post-page .container{max-width:var(--col-w,820px)}}
@media(max-width:600px){body{font-size:16px}h1{font-size:24px}.l-hero .item.featured h2{font-size:22px}}

:root{--paper:#eef2f7;--copy:#16202b;--dim:#5c6b7c;--hl:#2563eb;--hair:#dbe3ec;--cell-bg:rgba(255,255,255,.75);--rad:18px;
--font:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--display-face:system-ui,"Segoe UI",sans-serif;
--run-btn-bg:#2563eb;--run-btn-ink:#fff;--run-btn-radius:18px;--run-btn-border:0}
.item{backdrop-filter:blur(6px);box-shadow:0 6px 24px rgba(30,60,110,.10);border:1px solid rgba(255,255,255,.7)}
.key-points{background:rgba(255,255,255,.8)}
h1{font-size:32px}