*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--main-ink);font:var(--scale,17px)/1.6 var(--font,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif)}
h1,h2,h3{font-family:var(--head-type,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(--accent)}a.tc{font-variant-numeric:tabular-nums;text-decoration:none;border-bottom:1px dotted}
img{max-width:100%}
.head-bar,.bottom-bar,.container{max-width:var(--band,820px);margin:0 auto;padding:0 20px}
.head-bar{display:flex;align-items:center;gap:14px;padding-top:9px;padding-bottom:9px;color:var(--muted);font-size:14px}
.head-bar h1{margin:0}
.container:first-child{padding-top:24px}
.logo-link{color:var(--main-ink);text-decoration:none;font-weight:700;font-size:18px}.logo-link .sigil{margin-right:8px}
.logo-link .sigil:only-child{margin-right:0}
.bottom-bar{padding-top:16px;padding-bottom:28px;color:var(--muted);font-size:14px}
.container{padding-bottom:40px}
.preamble{color:var(--muted);margin:0 0 24px}
.subline{color:var(--muted);font-size:14px;margin:0 0 20px}
.crumbs{font-size:14px;color:var(--muted);margin:16px 0 0}.crumbs a{color:var(--muted)}
.frame-box{display:block;position:relative;aspect-ratio:16/9;background:#000;border-radius:var(--round,10px);overflow:hidden;margin:24px 0 6px}
.frame-box img.cover{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.85;display:block}
.frame-box img{width:100%;height:100%;object-fit:cover;opacity:.85;display:block}
.frame-box iframe{position:relative;z-index:1;width:100%;height:100%;border:0;display:block}
.frame-box.waiting::before{content:"";position:absolute;inset:0;background:rgba(0,0,0,.45);z-index:2;pointer-events:none}
.frame-box.waiting::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){.frame-box.waiting::after{animation-duration:2.4s}}
.tube-note,.origin{font-size:14px;color:var(--muted)}.tube-note{margin:0 0 20px}
.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)}
.origin{border-top:1px solid var(--rule);padding-top:12px;margin-top:28px}
.gist{background:var(--item-bg,#f4f7fb);border-left:4px solid var(--accent);border-radius:var(--round,8px);padding:12px 18px;margin:20px 0}.gist h2{margin:0 0 8px;font-size:18px}.gist ul{margin:0;padding-left:20px}
.toc{margin:20px 0}.toc summary{cursor:pointer;font-weight:600}.toc ol{margin:8px 0 0;padding-left:22px;font-size:15px}.toc a{text-decoration:none}
.faq-block details{border-top:1px solid var(--rule);padding:10px 0}.faq-block summary{cursor:pointer;font-weight:600}
.related{margin-top:36px}.related h2{font-size:20px}.related ul{padding-left:20px}.related li{margin:8px 0}.related span{color:var(--muted);font-size:15px}
.siblings{display:flex;justify-content:space-between;gap:16px;font-size:15px;margin-top:24px;padding-top:12px;border-top:1px solid var(--rule)}.siblings a[rel=next]{margin-left:auto;text-align:right}
blockquote{border-left:3px solid var(--accent);margin:16px 0;padding:4px 16px;color:var(--muted)}
hr{border:0;border-top:1px solid var(--rule);margin:28px 0}
table{border-collapse:collapse;width:100%;font-size:15px}td,th{border:1px solid var(--rule);padding:6px 10px;text-align:left}
.entries{display:grid;gap:28px}
.item{background:var(--item-bg,transparent);border-radius:var(--round,8px);box-shadow:var(--item-shadow,none);border:var(--item-border,0)}
.item .frame-box{margin:0}
.post-body{padding:var(--card-pad,10px 0 0)}
.item h2{margin:0 0 6px;font-size:20px}.item h2 a{color:var(--main-ink);text-decoration:none}
.item h2 a:hover,.item h2 a:focus-visible{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.item p{margin:0 0 6px;color:var(--muted);font-size:15px}.item time{font-size:13px;color:var(--muted)}
.item p.excerpt{color:var(--main-ink);font-size:16px;line-height:1.6;margin:0 0 10px}.hero-view .item.featured p.excerpt{font-size:17px}
.grid-view .entries{grid-template-columns:minmax(0,1fr)}
@media(min-width:668px){.grid-view .entries{grid-template-columns:repeat(2,minmax(0,1fr))}}
.hero-view .entries{grid-template-columns:minmax(0,1fr)}
@media(min-width:628px){.hero-view .entries{grid-template-columns:repeat(2,minmax(0,1fr))}}
.hero-view .item.featured{grid-column:1/-1}.hero-view .item.featured h2{font-size:28px}
.row-mode .entries,.m-row-alt .entries{gap:22px}
.row-mode .item,.m-row-alt .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(--round,8px);
border:1px solid var(--rule);text-decoration:none;color:var(--main-ink);font-size:15px;line-height:1.2}
.nav-pages a:hover{border-color:var(--accent);color:var(--accent)}
.nav-pages b{background:var(--accent);border-color:var(--accent);color:var(--paper)}
.nav-pages span{color:var(--muted);padding:0 2px}
.m-row-alt .item{grid-template-columns:minmax(0,1fr) 240px}
.m-row-alt .item>.embed-link{order:2}
.row-mode .post-body,.m-row-alt .post-body{padding:var(--card-pad,4px 12px 12px 0)}
.row-mode .item h2,.m-row-alt .item h2{font-size:19px}
@media(max-width:700px){.row-mode .item,.m-row-alt .item{grid-template-columns:minmax(0,1fr)}.m-row-alt .item>.embed-link{order:0}}
.two-col .entries{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
@media(max-width:700px){.two-col .entries{grid-template-columns:minmax(0,1fr)}}
.m-dense .entries{grid-template-columns:minmax(0,1fr);gap:18px}
@media(min-width:498px){.m-dense .entries{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:736px){.m-dense .entries{grid-template-columns:repeat(3,minmax(0,1fr))}}
.m-dense .item h2{font-size:17px}.m-dense .item p{font-size:14px}
.l-wide .entries{grid-template-columns:minmax(0,1fr);gap:34px}
.l-wide .item h2{font-size:24px}
.l-wide .item.featured h2{font-size:30px}
@media(min-width:498px) and (max-width:735.98px){
.m-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){
.m-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}
.m-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){
.grid-view .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){
.hero-view .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(--band,820px) + 300px)}
.post-wrap{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;overflow-wrap:anywhere}
.layout-side .post-wrap{grid-template-columns:minmax(0,1fr) 260px}
.layout-side .sidebar{position:sticky;top:20px;align-self:start;font-size:15px}
.layout-side .sidebar .toc{margin:0 0 24px}.layout-side .sidebar .related{margin-top:0}.layout-side .sidebar .related h2{font-size:17px;margin-top:0}.layout-side .sidebar .related ul{padding-left:18px}.layout-side .sidebar .related span{display:none}
@media(max-width:900px){.layout-side .post-wrap{grid-template-columns:minmax(0,1fr)}.layout-side .sidebar{position:static}.layout-side.post-page .container{max-width:var(--band,820px)}}
@media(max-width:600px){body{font-size:16px}h1{font-size:24px}.hero-view .item.featured h2{font-size:22px}}

:root{--paper:#fff;--main-ink:#111;--muted:#777;--accent:#111;--rule:#e5e5e5;--item-bg:#fafafa;--round:0;--band:680px;--scale:17px;
--font:"Helvetica Neue",Helvetica,Arial,sans-serif;
--run-btn-bg:rgba(17,17,17,.9);--run-btn-ink:#fff;--run-btn-radius:0;--run-btn-radius-m:0;--run-btn-w:64px;--run-btn-h:46px;--run-btn-w-m:54px;--run-btn-h-m:38px}
.frame-box img{opacity:.7}
a{text-decoration:underline;text-underline-offset:3px}
h1{font-weight:500;letter-spacing:-.02em;font-size:32px}h2{font-weight:500;font-size:20px}
.head-bar{border-bottom:1px solid #111}.logo-link{font-weight:500;letter-spacing:.08em;text-transform:uppercase;font-size:14px}
.item{border-bottom:1px solid var(--rule);padding-bottom:24px;border-radius:0}.item .frame-box{margin-bottom:10px}
.gist{background:transparent;border:0;border-top:1px solid #111;border-bottom:1px solid #111;border-radius:0;padding:14px 0}
.toc summary{font-weight:500}.faq-block summary{font-weight:500}
.bottom-bar{border-top:1px solid #111;text-transform:uppercase;letter-spacing:.08em;font-size:12px}