:root{--bg:#fff;--fg:#16181d;--muted:#5b6270;--line:#e2e5ea;--accent:#0b5d3b;--accent-soft:#eef6f1;--measure:42rem}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#101215;--fg:#e9ecf1;--muted:#a2aab8;--line:#282d36;--accent:#6ee7a8;--accent-soft:#16231d}}:root[data-theme=dark]{--bg:#101215;--fg:#e9ecf1;--muted:#a2aab8;--line:#282d36;--accent:#6ee7a8;--accent-soft:#16231d}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);-webkit-text-size-adjust:100%;margin:0;font:17px/1.65 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.wrap{max-width:var(--measure);margin-inline:auto;padding-inline:16px}header.wrap{justify-content:space-between;align-items:baseline;gap:16px;padding-block:24px 8px;display:flex}header nav{flex-wrap:wrap;justify-content:flex-end;gap:8px 18px;display:flex}header nav a{font-size:.92rem;text-decoration:none}header nav a:hover,header nav a:focus-visible{text-decoration:underline}:where(a,button,input,select,textarea,summary,[tabindex]):focus-visible{outline:3px solid var(--accent,#0b6);outline-offset:2px;border-radius:2px}.foot-links{margin-top:16px}.btn{background:var(--accent);color:var(--bg);cursor:pointer;border:0;border-radius:8px;min-height:44px;padding:12px 22px;font-family:inherit;font-size:1rem;font-weight:600;text-decoration:none;display:inline-block}.btn:hover{filter:brightness(1.08)}.tfilter{margin:18px 0 4px}.tfilter>label{margin-bottom:6px;font-size:.92rem;font-weight:600;display:block}.tfilter input[type=search]{width:100%;font:inherit;border:1px solid var(--line);background:var(--bg);color:var(--fg);border-radius:7px;padding:10px 12px}.tfilter .checks{flex-wrap:wrap;gap:0 20px;margin-top:4px;display:flex}.tfilter .checks label{align-items:center;gap:8px;min-height:44px;font-size:.9rem;display:inline-flex}.tfilter .checks input{width:18px;height:18px;accent-color:var(--accent)}.tfilter .hint{min-height:1.4em;margin:6px 0 0}@media print{header.wrap nav,footer.wrap,.crumbs,.noprint,.adslot,.tfilter{display:none!important}body{color:#000;background:#fff;font-size:11.5pt}a{color:#000}html.print-only-checklist main>:not(.checklist),html.print-only-checklist header.wrap{display:none!important}}.footbtn{font:inherit;color:var(--accent);cursor:pointer;background:0 0;border:0;padding:0;text-decoration:underline}.hint{color:var(--muted);font-size:.88rem}.centered{text-align:center;margin:28px 0}.entries,.guides,.cards{gap:14px;margin:24px 0;padding:0;list-style:none;display:grid}.entries li,.cards li{border:1px solid var(--line);border-radius:10px;align-content:start;gap:4px;padding:14px 16px;display:grid}.entries li a,.cards li a{text-decoration:none}.entries li a:hover,.cards li a:hover{text-decoration:underline}.entries li span,.cards li span{color:var(--muted);font-size:.9rem}.guides li{border-top:1px solid var(--line);padding-top:16px}.guides li:first-child{border-top:0}.guides h2{margin:0 0 6px;font-size:1.12rem}.guides p{color:var(--muted);margin:0}dl.spec{border-top:1px solid var(--line);margin:20px 0}dl.spec>div{border-bottom:1px solid var(--line);grid-template-columns:1fr auto;align-items:baseline;gap:10px 20px;padding:10px 0;display:grid}dl.spec dt{color:var(--muted);margin:0;font-size:.9rem}dl.spec dd{text-align:right;font-variant-numeric:tabular-nums;margin:0}@media (width<=30rem){dl.spec>div{grid-template-columns:1fr;gap:2px}dl.spec dd{text-align:left}}.formula{background:var(--accent-soft);border-radius:10px;margin:20px 0;padding:14px 18px}.formula p{margin:6px 0}.formula code{font-size:.95rem}.sources{color:var(--muted);font-size:.9rem}.sources li{margin-bottom:8px}.ask{border-left:3px solid var(--accent);margin:18px 0;padding-left:14px}table tr.modal td{font-weight:600}.tag-inline{text-transform:uppercase;letter-spacing:.02em;color:var(--accent);font-size:.72rem;font-weight:600;display:block}.crumbs{color:var(--muted);margin:4px 0 18px;font-size:.85rem}.crumbs ol{flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none;display:flex}.crumbs li+li:before{content:"›";color:var(--muted);margin-right:6px}.crumbs a{color:var(--muted)}.crumbs [aria-current=page]{color:var(--fg)}.brand{color:var(--fg);letter-spacing:-.01em;font-size:1.05rem;text-decoration:none}.brand strong{color:var(--accent)}main.wrap{padding-block:16px 48px}h1{letter-spacing:-.02em;margin:.4em 0 .3em;font-size:clamp(1.75rem,5vw,2.4rem);line-height:1.2}h2{letter-spacing:-.01em;margin:2.2em 0 .6em;font-size:1.3rem;line-height:1.3}a{color:var(--accent)}.lede{color:var(--muted);font-size:1.15rem}.byline{color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:16px;font-size:.9rem}.callout{background:var(--accent-soft);border-left:3px solid var(--accent);border-radius:0 6px 6px 0;margin:24px 0;padding:16px 18px}.callout p:last-child{margin-bottom:0}.callout p:first-child{margin-top:0}.scroller{scrollbar-width:thin;background:linear-gradient(to right, var(--bg) 30%, transparent), linear-gradient(to left, var(--bg) 30%, transparent) 100% 0, radial-gradient(farthest-side at 0 50%, #00000029, transparent), radial-gradient(farthest-side at 100% 50%, #00000029, transparent) 100% 0;background-repeat:no-repeat;background-size:40px 100%,40px 100%,14px 100%,14px 100%;background-attachment:local,local,scroll,scroll;margin:20px -16px;padding-inline:16px;overflow-x:auto}.scroller:focus-visible{outline:3px solid var(--accent);outline-offset:2px}table{border-collapse:collapse;width:100%;font-size:.93rem}.scroller table{min-width:34rem}th,td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:9px 12px 9px 0}th{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-size:.82rem;font-weight:600}td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;padding-right:0}caption{caption-side:bottom;text-align:left;color:var(--muted);padding-top:10px;font-size:.85rem}code{background:var(--accent-soft);border-radius:4px;padding:1px 5px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em}footer.wrap{border-top:1px solid var(--line);color:var(--muted);padding-block:24px 56px;font-size:.87rem}