.stack-hero{padding:var(--space-xl) 0 var(--space-lg);border-bottom:var(--rule-hairline);background:var(--color-paper)}.stack-breadcrumb{margin:0 0 var(--space-md);color:var(--color-ink-3);font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.04em;text-transform:uppercase}.stack-breadcrumb a{color:inherit;text-decoration-color:var(--color-rule)}.stack-breadcrumb a:hover{color:var(--color-accent);text-decoration-color:var(--color-accent)}.stack-breadcrumb .sep{margin:0 .5rem;opacity:.6}.stack-hero .display-h1{max-width:18ch;margin:0 0 var(--space-md)}.stack-hero .lede{margin:0}.stack-meta{margin:var(--space-md) 0 0;color:var(--color-ink-3);font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.03em;text-transform:uppercase}.stack-main{padding:var(--space-2xl) 0 var(--space-3xl)}.stack-intro{display:grid;gap:var(--space-lg);margin-bottom:var(--space-xl)}@media (min-width: 900px){.stack-intro{grid-template-columns:minmax(0,5fr) minmax(18rem,4fr);align-items:end}}.stack-intro .section-head{margin-bottom:var(--space-sm)}.stack-intro .lede{margin:0}.stack-picker{padding:var(--space-md);border:var(--rule-hairline);border-radius:4px;background:var(--color-paper-3)}.stack-picker label{display:block;margin-bottom:var(--space-2xs);color:var(--color-ink);font-weight:600}.stack-picker select{width:100%;padding:.7rem 2.25rem .7rem .75rem;border:var(--rule-hairline);border-radius:4px;background:var(--color-paper);color:var(--color-ink);font:inherit}.stack-picker select:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px}.stack-picker .caption{margin:var(--space-2xs) 0 0}.stack-picker-status{min-height:1.5em}.stack-table-wrap{overflow-x:auto;border-top:2px solid var(--color-ink)}.stack-matrix{min-width:46rem}.stack-matrix.is-wide{min-width:78rem}.stack-matrix thead{background:var(--color-paper)}.stack-matrix th[scope=row]{width:12rem;padding:var(--space-sm) var(--space-xs);color:var(--color-ink);font-family:var(--font-body);font-weight:600;text-align:left;vertical-align:top;scroll-margin-top:7rem}.stack-matrix td{width:16.5rem;padding:var(--space-sm) var(--space-xs)}.stack-matrix tbody tr[data-selected=true]{background:var(--color-paper-3);outline:2px solid var(--color-ink);outline-offset:-2px}.matrix-list{display:grid;gap:var(--space-sm);margin:0;padding:0;list-style:none}.matrix-entry{display:grid;gap:.2rem}.matrix-entry-name{color:var(--color-ink);font-weight:600}.matrix-entry-name a{color:inherit;text-decoration-color:var(--color-rule);text-underline-offset:3px}.matrix-entry-name a:hover{color:var(--color-accent);text-decoration-color:var(--color-accent)}.matrix-evidence{color:var(--color-ink-3);font-family:var(--font-mono);font-size:.72rem;line-height:1.45}.matrix-caveat{margin:0;color:var(--color-ink-2);font-size:var(--text-xs);line-height:1.45}.matrix-empty{color:var(--color-ink-3)}.matrix-unknown summary{cursor:pointer;color:var(--color-ink);font-weight:600}.matrix-unknown summary:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px}.matrix-unknown .matrix-list{margin-top:var(--space-sm)}.stack-legend{display:grid;gap:var(--space-sm);margin-top:var(--space-xl);padding-top:var(--space-lg);border-top:var(--rule-hairline)}@media (min-width: 800px){.stack-legend{grid-template-columns:repeat(2,minmax(0,1fr))}}.stack-legend div{padding-bottom:var(--space-sm);border-bottom:var(--rule-hairline)}.stack-legend dt{color:var(--color-ink);font-weight:600}.stack-legend dd{margin:var(--space-2xs) 0 0;color:var(--color-ink-2);line-height:1.6}.stack-scope{padding:var(--space-lg) 0;border-bottom:var(--rule-hairline)}.stack-scope p{max-width:72ch;color:var(--color-ink-2)}.stack-scope details{max-width:72ch;margin-top:var(--space-md);border-top:var(--rule-hairline)}.stack-scope summary{padding:var(--space-sm) 0;cursor:pointer;font-weight:600}.stack-scope ul{display:flex;flex-wrap:wrap;gap:var(--space-xs) var(--space-md);margin:0 0 var(--space-md);padding-left:1.2rem}.stack-next{margin-top:var(--space-xl)}.stack-next a{color:var(--color-ink);text-decoration-color:var(--color-rule);text-underline-offset:3px}.stack-next a:hover{color:var(--color-accent);text-decoration-color:var(--color-accent)}