/* The reading workspace: the same TAIL product language at a useful working density. */
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.reading-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;border-bottom:1px solid var(--tail-line);padding:17px 0}.reading-bar .breadcrumb{padding:0;font-size:11px;gap:8px}.reading-actions{display:flex;align-items:center;gap:6px;flex-shrink:0}.reading-actions button{padding:7px 10px;border:1px solid var(--tail-line);background:var(--tail-paper);border-radius:7px;color:var(--tail-muted);font-size:10px;min-height:34px}.reading-actions button[aria-pressed=true]{background:var(--tail-blue-light);color:var(--tail-blue-text)}.reading-progress{position:fixed;top:71px;left:0;right:0;height:2px;z-index:65;pointer-events:none}.reading-progress i{display:block;height:100%;width:0;background:var(--tail-blue)}.article-intro{display:grid;grid-template-columns:1fr minmax(240px,.7fr);align-items:center;gap:32px;padding:32px 0;border-bottom:1px solid var(--tail-line)}.article-heading{padding:0}.article-heading h1{font-size:clamp(34px,3.5vw,54px);letter-spacing:-.05em;line-height:1.02;margin:19px 0}.article-heading .deck{font-size:16px;line-height:1.65}.byline{flex-wrap:wrap;font-size:10px;gap:8px;margin-top:22px}.byline img{width:24px;height:22px}.article-cover{border-radius:12px;aspect-ratio:1200/760;height:auto}.article-layout{grid-template-columns:minmax(0,1fr) 175px;gap:40px;padding:36px 0 52px;max-width:970px}.article-layout>.toc{grid-column:2;grid-row:1;top:103px;font-size:11px}.article-layout>.prose{grid-column:1;grid-row:1}.toc a.is-active{color:var(--tail-blue-text);font-weight:600}.prose h2{font-size:26px}.prose p,.prose li{font-size:15px;line-height:1.85}.prose section{margin:32px 0}.answer{border:1px solid var(--tail-line);border-left:3px solid var(--tail-blue);border-radius:9px;padding:20px 22px}.answer p{font-size:14px;line-height:1.8}.related-band{padding:28px 0 36px}.related-band h2{font-size:26px}.related-list{gap:24px}.related-card h3{font-size:20px}.reading-toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%) translateY(12px);background:var(--tail-ink);color:var(--tail-paper);padding:11px 18px;border-radius:10px;font-size:12px;box-shadow:0 8px 30px #06133626;opacity:0;pointer-events:none;transition:opacity .15s,transform .15s;z-index:100}.reading-toast.is-visible{opacity:1;transform:translateX(-50%) translateY(0)}
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.docs-shell{display:block;padding-top:0;padding-bottom:48px}.doc-content{max-width:920px;margin:auto}.docs-sidebar,.docs-mobile-menu{display:none}.doc-tools{margin-bottom:0;padding:18px 0;border-bottom:1px solid var(--tail-line);flex-direction:row;align-items:center}.doc-title{padding-top:30px}.doc-title h1{font-size:44px;margin:16px 0 18px}.doc-title .description{font-size:16px;line-height:1.7}.doc-meta{margin:18px 0 27px;font-size:10px}.doc-reading-layout{display:grid;grid-template-columns:minmax(0,1fr) 165px;gap:34px;align-items:start}.doc-reading-layout>.doc-reading-body{min-width:0}.doc-reading-layout>.doc-outline{position:sticky;top:103px;padding:0 0 18px;margin:0;border:0}.doc-outline ol{list-style:none;padding:0;font-size:11px}.doc-outline li{margin:14px 0;line-height:1.6}.doc-outline a.is-active{color:var(--tail-blue-text);font-weight:600}.doc-content .prose p,.doc-content .prose li{font-size:15px}.doc-content .prose h2{font-size:25px}.doc-next{margin-top:30px;gap:14px}.doc-next a{padding:17px}.doc-next a:hover{background:var(--tail-surface)}.doc-next strong{font-size:13px}.mode-switch a{padding:5px 12px;font-size:11px}.machine-hero{padding:30px 0 20px}.machine-hero h1{font-size:46px;line-height:1.05;margin:18px 0}.machine-hero p{font-size:16px}.machine-code{font-size:12px;margin:15px 0 28px}.machine-resources{gap:18px}.machine-resource{padding:22px;background:var(--tail-surface)}.machine-resource h2{font-size:23px}.machine-resource p{font-size:13px}.machine-resource .text-link{font-size:11px}.site-footer{padding:23px 0 20px}.footer-top{gap:20px}.footer-top .brand{font-size:24px}.footer-top p{font-size:11px}.footer-nav{gap:17px;font-size:10px}.footer-bottom{font-size:9px;margin-top:18px;padding-top:15px}.footer-bottom p{max-width:550px}
@media(min-width:1600px){.content-app{border-left:1px solid var(--tail-line);border-right:1px solid var(--tail-line)}}
@media(max-width:1200px){.content-app{grid-template-columns:212px minmax(0,1fr)}.content-sidebar{padding-inline:14px}.content-workspace .wrap{padding-inline:30px}.journal-note{max-width:210px}.article-intro{grid-template-columns:1fr 240px;gap:24px}.article-heading h1{font-size:38px}.article-layout{grid-template-columns:minmax(0,1fr) 150px;gap:28px}.doc-reading-layout{grid-template-columns:minmax(0,1fr) 140px;gap:25px}.doc-hero{grid-template-columns:1fr 215px}.doc-hero-art{width:215px}.doc-hero h1{font-size:42px}.doc-start{padding:18px}.doc-start h2{font-size:21px}.footer-top{flex-wrap:wrap}.footer-nav{margin-left:0}}
@media(max-width:960px){.journal-note{display:none}.journal-hero{grid-template-columns:1fr}.feature-story{grid-template-columns:1fr}.feature-story .story-art{max-height:290px}.feature-story .story-art img{height:290px;object-fit:contain}.story:not(.feature-story) .story-copy{padding:18px}.story-bottom>span{display:none}.article-intro{display:block}.article-cover{max-width:520px;margin-top:25px}.article-layout{display:block;max-width:740px}.article-layout>.toc{display:none}.doc-reading-layout{display:flex;flex-direction:column-reverse;gap:20px}.doc-reading-layout>.doc-outline{position:static;width:100%;border-bottom:1px solid var(--tail-line);padding-bottom:18px}.doc-outline ol{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:10px}.doc-outline li{margin:0}.doc-hero{grid-template-columns:1fr}.doc-hero-art{display:none}.doc-starts{grid-template-columns:1fr}.doc-start{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px}.doc-start .num{grid-column:1/-1}.doc-start h2{margin:5px 0;font-size:24px}.doc-start .text-link{grid-column:2;margin-top:2px}.doc-directory-intro{display:block}.doc-directory-intro p{margin-top:10px}.directory-rows{grid-template-columns:1fr}.doc-tools{flex-wrap:wrap}.doc-tools .reading-actions{margin-left:auto}.doc-home-tools .search-open{min-width:0}}
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@media(prefers-reduced-motion:reduce){.doc-start,.reading-toast{transition:none}.doc-start:hover{transform:none}}
.copy-link-fallback{display:block;max-width:100%;width:100%;padding:9px 12px;border:1px solid var(--tail-line);border-radius:7px;background:var(--tail-surface);color:var(--tail-ink);font-size:12px;margin:12px 0}
.doc-reading-body{grid-column:1;grid-row:1}.doc-reading-layout>.doc-outline{grid-column:2;grid-row:1}
@media(max-width:960px){.doc-reading-layout{flex-direction:column}}