:root{--bg:#fff;--fg:#16181d;--muted:#4a5160;--line:#d7dbe2;--accent:#0b4f9e;--accent-bg:#eef4fb;--warn-bg:#fdf3e3;--warn-line:#8a6100;--max:74rem;--radius:4px}@media (prefers-color-scheme:dark){:root{--bg:#12141a;--fg:#e8eaef;--muted:#a3abbb;--line:#2c3140;--accent:#7fb2f0;--accent-bg:#182234;--warn-bg:#2b2312;--warn-line:#e0b25a}}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}main{max-width:var(--max);margin:0 auto;padding:0 1.25rem 5rem}a{color:var(--accent);text-underline-offset:2px}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:2px}.skip{position:absolute;left:-9999px;top:0;background:var(--bg);color:var(--fg);padding:.7rem 1rem;border:2px solid var(--accent);z-index:99}.skip:focus{left:.5rem;top:.5rem}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}header.site{border-bottom:1px solid var(--line);margin-bottom:2rem}header.site .in{max-width:var(--max);margin:0 auto;padding:1rem 1.25rem;display:flex;gap:1.25rem;flex-wrap:wrap;align-items:baseline}header.site .brand{font-weight:700;font-size:1.05rem;text-decoration:none;color:var(--fg)}header.site nav{display:flex;gap:1rem;flex-wrap:wrap}header.site nav a{font-size:.94rem}h1{font-size:1.85rem;line-height:1.25;margin:.4rem 0 .6rem}h2{font-size:1.28rem;margin:2.2rem 0 .6rem;padding-bottom:.3rem;border-bottom:1px solid var(--line)}h3{font-size:1.05rem;margin:1.5rem 0 .4rem}p,li{max-width:68ch}.lede{font-size:1.06rem;color:var(--fg)}.muted{color:var(--muted)}.small{font-size:.88rem}table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.94rem}caption{text-align:left;font-weight:600;padding:.4rem 0;color:var(--muted)}th,td{text-align:left;padding:.55rem .6rem;border-bottom:1px solid var(--line);vertical-align:top}th{font-weight:600;background:var(--accent-bg)}tbody tr:hover{background:var(--accent-bg)}.wrap{overflow-x:auto}.badge{display:inline-block;font-size:.8rem;font-weight:600;padding:.1rem .5rem;border:1px solid currentColor;border-radius:2rem;white-space:nowrap}.badge:before{margin-right:.3rem;font-weight:700}.badge.in-force:before{content:"✓"}.badge.final:before{content:"✓"}.badge.draft:before{content:"○"}.badge.proposed:before{content:"○"}.badge.unknown:before{content:"?"}.badge.superseded:before{content:"→"}.badge.withdrawn:before{content:"✕"}.note{background:var(--warn-bg);border-left:4px solid var(--warn-line);padding:.8rem 1rem;margin:1.2rem 0;border-radius:0 var(--radius) var(--radius) 0}.note p:last-child{margin-bottom:0}dl.meta{display:grid;grid-template-columns:minmax(9rem,auto) 1fr;gap:.35rem 1rem;margin:1rem 0}dl.meta dt{color:var(--muted);font-size:.9rem}dl.meta dd{margin:0}footer.site{border-top:1px solid var(--line);margin-top:4rem;padding:1.5rem 1.25rem 3rem}footer.site .in{max-width:var(--max);margin:0 auto;font-size:.9rem;color:var(--muted)}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em;background:var(--accent-bg);padding:.1rem .3rem;border-radius:2px}blockquote{margin:1rem 0;padding:.6rem 1rem;border-left:4px solid var(--line);color:var(--muted)}.diffgrid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}@media (max-width:60rem){.diffgrid{grid-template-columns:1fr}}.ext-mark{font-size:.78em;margin-left:.15em;opacity:.75}.ext-host,.ext-date{white-space:nowrap}.anchored{position:relative}.anchor-link{opacity:0;margin-left:.4rem;text-decoration:none;font-weight:400;color:var(--muted);padding:0 .25rem}.anchored:hover .anchor-link,.anchored:focus-within .anchor-link,.anchor-link:focus{opacity:1}@media (hover:none){.anchor-link{opacity:.55}}.cite{margin:1.25rem 0;font-size:.92rem}.cite summary{cursor:pointer;color:var(--accent);padding:.45rem 0;min-height:44px;display:flex;align-items:center}.cite pre{background:var(--accent-bg);border:1px solid var(--line);border-radius:var(--radius);padding:.7rem .8rem;overflow-x:auto;font-size:.85rem;margin:.4rem 0 0;white-space:pre-wrap;word-break:break-word}.cite h4{margin:.9rem 0 .1rem;font-size:.85rem;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.03em}.copy-btn{font:inherit;font-size:.82rem;padding:.4rem .7rem;min-height:36px;background:var(--bg);color:var(--accent);border:1px solid var(--line);border-radius:var(--radius);cursor:pointer;margin-top:.4rem}.copy-btn:hover{background:var(--accent-bg)}nav.crumbs{font-size:.88rem;color:var(--muted);margin:.25rem 0 1rem}nav.crumbs ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.3rem}nav.crumbs li+li:before{content:"/";margin-right:.3rem;color:var(--line)}.callout{background:var(--accent-bg);border:1px solid var(--line);border-radius:var(--radius);padding:.2rem 1.1rem 1rem;margin:1.5rem 0}.callout h2{border:0;margin-top:1rem}ul.related{list-style:none;padding:0}ul.related li{margin:0 0 1.1rem;max-width:68ch}ul.related .scope{margin:.15rem 0 0;color:var(--muted);font-size:.92rem}.verif{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;margin:.9rem 0 1.4rem;padding:.7rem .9rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--accent-bg);font-size:.92rem}.verif b{font-weight:600}.verif .unverified{color:var(--warn-line);font-weight:600}#site-search{width:100%;max-width:32rem;font:inherit;padding:.6rem .7rem;min-height:44px;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg);color:var(--fg)}#search-results:empty{display:none}#search-results{list-style:none;padding:0;margin:.8rem 0}#search-results li{margin:0 0 .7rem;max-width:68ch}#search-results .hit-kind{color:var(--muted);font-size:.85rem}@media (pointer:coarse){header.site nav a,footer.site a,td a,.anchor-link{display:inline-block;min-height:44px;line-height:44px}td a{line-height:1.5;padding:.6rem 0}}@media (max-width:40rem){table.reflow{border:0;font-size:.95rem}table.reflow thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}table.reflow tr{display:block;border:1px solid var(--line);border-radius:var(--radius);margin:0 0 .85rem;padding:.3rem .75rem}table.reflow td{display:flex;gap:.75rem;justify-content:space-between;align-items:baseline;border:0;border-bottom:1px solid var(--line);padding:.5rem 0;text-align:right}table.reflow tr td:last-child{border-bottom:0}table.reflow td:before{content:attr(data-label);font-weight:600;color:var(--muted);text-align:left;flex:0 0 8.5rem;font-size:.85rem}table.reflow td:not([data-label]):before{content:"";flex:0}.wrap{overflow-x:visible}}@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}@media print{header.site nav,.skip,#site-search,#search-results,.anchor-link,.copy-btn{display:none}.cite{display:none}a[href^=http]:after{content:" (" attr(href) ")";font-size:.8em;word-break:break-all}.ext-mark,.sr-only{display:none}body{color:#000;background:#fff}table{page-break-inside:auto}tr{page-break-inside:avoid}}