.coll-progress{height:2px;left:0;pointer-events:none;position:fixed;right:0;top:0;z-index:100}.coll-progress>span{background:var(--m-accent);display:block;height:100%;transition:width 60ms linear}.coll-title{border-bottom:1px solid var(--m-rule);margin-bottom:2.25rem;padding:1.25rem 0 2rem}.coll-title__eyebrow{align-items:center;display:flex;gap:.875rem;margin:0 0 1rem}.coll-title__sep{background:var(--m-ink-55);height:1px;width:1.5rem}.coll-title__description{color:var(--m-ink-80);font:var(--m-lede);margin:1.125rem 0 0;max-width:62ch;text-wrap:pretty}.coll-shell{align-items:start;display:grid;gap:4rem;grid-template-columns:minmax(0,1fr) 17.5rem;padding:.5rem 0 3rem}@media(max-width:1080px){.coll-shell{gap:2rem;grid-template-columns:1fr}}.coll-article{min-width:0}.coll-rail{position:sticky;top:1.5rem}@media(max-width:1080px){.coll-rail{position:static}}.coll-rail__card{background:var(--m-canvas);border:1px solid var(--m-rule);padding:1.125rem 1.25rem 1.25rem}.coll-rail__heading{align-items:center;display:flex;justify-content:space-between;margin:0 0 .625rem}.coll-rail__ix{font-family:var(--font-mono)}.coll-rail ol{counter-reset:coll-toc;list-style:none;margin:0;padding:0}.coll-rail li{border-bottom:1px solid var(--m-rule);counter-increment:coll-toc;padding:.5rem 0}.coll-rail li:last-child{border-bottom:0;padding-bottom:0}.coll-rail a{align-items:baseline;color:var(--m-ink-80);display:grid;font:var(--type-label);gap:.625rem;grid-template-columns:auto 1fr;text-decoration:none;transition:color var(--dur-fast) var(--ease-standard)}.coll-rail a:before{color:var(--m-ink-30);content:counter(coll-toc,decimal-leading-zero);font:var(--type-mono-sm);font-variant-numeric:tabular-nums}.coll-rail a.coll-rail__link--active,.coll-rail a.coll-rail__link--active:before,.coll-rail a:hover,.coll-rail a:hover:before{color:var(--m-accent)}