:root{color-scheme:light dark;--bg:#ffffff;--bg-alt:#f5f7f9;--bg-code:#f2f4f7;--fg:#1b1f24;--fg-muted:#4f5966;--border:#d5dae1;--accent:#0b5cad;--accent-fg:#ffffff;--focus:#1a73e8;--mark:#fff1b8;--mark-strong:#ffd8d6;--ok:#17703a;--sev-critical:#b3261e;--sev-high:#b04a00;--sev-medium:#8a6100;--sev-low:#1f5fa8;--sev-info:#5b6470;--grade-a:#17703a;--grade-b:#4c7a12;--grade-c:#8a6100;--grade-d:#b04a00;--grade-f:#b3261e;--tok-kw:#8f2a9e;--tok-fn:#0b5cad;--tok-str:#17703a;--tok-num:#a3480f;--tok-com:#6a737d;--radius:6px;--mono:ui-monospace, "SFMono-Regular", "Cascadia Mono", "DejaVu Sans Mono", Menlo, Consolas, monospace;--sans:system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif}@media(prefers-color-scheme:dark){:root{--bg:#0f1216;--bg-alt:#161b21;--bg-code:#1b2128;--fg:#e4e8ed;--fg-muted:#a5afbb;--border:#2f3842;--accent:#6cb2ff;--accent-fg:#0f1216;--focus:#8cc4ff;--mark:#4a4012;--mark-strong:#5c2420;--ok:#5fd08a;--sev-critical:#ff8a80;--sev-high:#ffab66;--sev-medium:#f0c95a;--sev-low:#8cc4ff;--sev-info:#aab4bf;--grade-a:#5fd08a;--grade-b:#a8d65a;--grade-c:#f0c95a;--grade-d:#ffab66;--grade-f:#ff8a80;--tok-kw:#e39ff6;--tok-fn:#8cc4ff;--tok-str:#8fdba6;--tok-num:#ffb27a;--tok-com:#8b96a3}}*,*::before,*::after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 var(--sans)}a{color:var(--accent);text-underline-offset:2px}a:hover{text-decoration-thickness:2px}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}img,svg{max-width:100%;height:auto}h1,h2,h3{line-height:1.25}h1{font-size:2rem;margin:.5rem 0 1rem}h2{font-size:1.4rem;margin-top:2rem}h3{font-size:1.1rem;margin-top:1.5rem}code,pre,kbd,samp{font-family:var(--mono);font-size:.9em}:not(pre)>code{background:var(--bg-code);padding:.1em .3em;border-radius:4px}pre{background:var(--bg-code);border:1px solid var(--border);border-radius:var(--radius);padding:.75rem 1rem;overflow-x:auto;line-height:1.45;tab-size:2}table{border-collapse:collapse;width:100%;margin:1rem 0;font-size:.95rem}th,td{border-bottom:1px solid var(--border);padding:.4rem .5rem;text-align:left;vertical-align:top}th{background:var(--bg-alt);font-weight:600}.table-wrap{overflow-x:auto}.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:var(--accent-fg);padding:.5rem 1rem;z-index:10}.skip:focus{left:.5rem}.wrap{max-width:72rem;margin:0 auto;padding:0 1rem}.site-header{border-bottom:1px solid var(--border);background:var(--bg-alt)}.site-header .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem 1.5rem;padding-top:.6rem;padding-bottom:.6rem}.brand{font-family:var(--mono);font-weight:700;color:var(--fg);text-decoration:none;font-size:1.05rem}.brand span{color:var(--accent)}.site-nav ul{list-style:none;display:flex;flex-wrap:wrap;gap:.25rem 1rem;margin:0;padding:0}.site-nav a{color:var(--fg);text-decoration:none;padding:.25rem 0;display:inline-block}.site-nav a:hover,.site-nav a[aria-current=page]{color:var(--accent);text-decoration:underline}.nav-cta{background:var(--accent);color:var(--accent-fg)!important;padding:.25rem .75rem!important;border-radius:var(--radius)}main{padding:1rem 0 3rem;min-height:60vh;overflow-wrap:break-word}main :is(p,li,dd,td,h1,h2,h3,figcaption) :is(a,code),.site-footer p{overflow-wrap:anywhere}@media(max-width:30rem){.site-header .wrap{gap:.35rem 1rem;padding-top:.5rem;padding-bottom:.5rem}.site-nav ul{gap:.1rem .8rem}.site-nav a{padding:.15rem 0}h1{font-size:1.6rem}.lead{font-size:1.05rem}}.prose{max-width:48rem}.site-footer{border-top:1px solid var(--border);color:var(--fg-muted);font-size:.9rem;padding:1.5rem 0;background:var(--bg-alt)}.site-footer ul{list-style:none;padding:0;margin:0 0 .5rem;display:flex;flex-wrap:wrap;gap:.25rem 1rem}.site-footer a{color:var(--fg-muted)}.breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:.25rem;padding:0;margin:.5rem 0 0;font-size:.9rem;color:var(--fg-muted)}.breadcrumbs li+li::before{content:"/";margin-right:.25rem}.lead{font-size:1.15rem;color:var(--fg-muted);max-width:48rem}.meta{color:var(--fg-muted);font-size:.9rem}.button,button{font:inherit;cursor:pointer;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-alt);color:var(--fg);padding:.4rem .9rem;text-decoration:none;display:inline-block}.button.primary,button.primary{background:var(--accent);color:var(--accent-fg);border-color:var(--accent);font-weight:600}button:disabled{opacity:.6;cursor:progress}.grid-2{display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(min(20rem,100%),1fr))}.card{border:1px solid var(--border);border-radius:var(--radius);padding:1rem;background:var(--bg)}.card h2,.card h3{margin-top:0}.badge{display:inline-block;font-size:.8rem;font-weight:600;padding:.05rem .5rem;border-radius:999px;border:1px solid;white-space:nowrap}.sev-critical{color:var(--sev-critical)}.sev-high{color:var(--sev-high)}.sev-medium{color:var(--sev-medium)}.sev-low{color:var(--sev-low)}.sev-info{color:var(--sev-info)}.src{font-size:.8rem;color:var(--fg-muted);white-space:nowrap}.src-unverified{color:var(--sev-medium)}.rule-list{list-style:none;padding:0}.rule-list li{padding:.6rem 0;border-bottom:1px solid var(--border)}.rule-list .rid{font-family:var(--mono);font-size:.85rem;color:var(--fg-muted);margin-right:.5rem}.rule-list p{margin:.25rem 0 0;color:var(--fg-muted);font-size:.95rem}.examples{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(min(18rem,100%),1fr))}.examples h3{margin:0 0 .25rem;font-size:1rem}.ex-bad h3{color:var(--sev-critical)}.ex-good h3{color:var(--ok)}.annotated li{margin-bottom:.5rem}.avail-yes{color:var(--ok);font-weight:600}.avail-no{color:var(--fg-muted)}.checker{display:grid;gap:1.25rem;grid-template-columns:minmax(0,3fr)minmax(0,2fr);align-items:start}@media(max-width:960px){.checker{grid-template-columns:minmax(0,1fr)}}.checker fieldset{border:1px solid var(--border);border-radius:var(--radius);margin:0 0 1rem;padding:.5rem .9rem .9rem}.checker legend{font-weight:600;padding:0 .25rem}.checker label{display:block;font-weight:600;margin:.5rem 0 .2rem;font-size:.95rem}.checker .hint{font-size:.85rem;color:var(--fg-muted);margin:.1rem 0 .3rem}.checker input[type=text],.checker textarea,.checker select{width:100%;font:.9rem/1.45 var(--mono);color:var(--fg);background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:.4rem .5rem}.checker .inline{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}.checker .inline label{display:inline;font-weight:400;margin:0}.toolbar{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin:.5rem 0 1rem}.status{font-size:.9rem;color:var(--fg-muted)}.notice{border-left:4px solid var(--sev-medium);background:var(--bg-alt);padding:.5rem .75rem;margin:.5rem 0;font-size:.95rem}.notice.error{border-left-color:var(--sev-critical)}pac-editor{display:block}.ed{position:relative;display:grid;grid-template-columns:auto 1fr;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);height:28rem;resize:vertical;overflow:hidden;font:13px/20px var(--mono)}.ed-gutter{margin:0;padding:8px 6px 8px 8px;text-align:right;color:var(--fg-muted);background:var(--bg-alt);border-right:1px solid var(--border);overflow:hidden;user-select:none;min-width:3.5em;font:inherit;white-space:pre}.ed-gutter span{display:block;height:20px}.ed-gutter span.mk{color:var(--sev-critical);font-weight:700}.ed-body{position:relative;overflow:hidden}.ed-hl,.ed-ta{margin:0;border:0;padding:8px 10px;font:inherit;letter-spacing:0;tab-size:4;white-space:pre;overflow-wrap:normal;word-break:normal}.ed-hl{position:absolute;inset:0;overflow:hidden;pointer-events:none;color:var(--fg);background:0 0;border-radius:0}.ed-hl .ln{display:block;height:20px}.ed-hl .ln.mk{background:var(--mark)}.ed-hl .ln.mk-err{background:var(--mark-strong)}.ed-hl .ln.cur{outline:2px solid var(--focus);outline-offset:-2px}.checker .ed-ta,.ed-ta{position:absolute;inset:0;width:100%;height:100%;resize:none;outline:none;background:0 0;color:transparent;caret-color:var(--fg);overflow:auto}.ed-ta::selection{background:rgba(26,115,232,.3);color:transparent}.ed-body:focus-within{box-shadow:inset 0 0 0 2px var(--focus)}.checker .ed.plain .ed-ta,.ed.plain .ed-ta{color:var(--fg)}.ed.plain .ed-hl{display:none}.t-kw{color:var(--tok-kw)}.t-fn{color:var(--tok-fn)}.t-str{color:var(--tok-str)}.t-num{color:var(--tok-num)}.t-com{color:var(--tok-com);font-style:italic}pac-grade{display:block}.grade{display:flex;gap:1rem;align-items:center;flex-wrap:wrap}.grade-badge{font:700 2.6rem/1 var(--sans);width:5rem;height:5rem;display:grid;place-items:center;border-radius:12px;color:#fff;background:var(--sev-info);flex:none}.grade-badge.g-A{background:#17703a}.grade-badge.g-B{background:#4c7a12}.grade-badge.g-C{background:#8a6100}.grade-badge.g-D{background:#b04a00}.grade-badge.g-E,.grade-badge.g-F{background:#b3261e}.grade-badge.g-none{background:var(--bg-alt);color:var(--fg-muted);border:1px dashed var(--border);font-size:1.2rem}.grade-score{font-size:1.1rem}.grade-caps{margin:.25rem 0 0;padding-left:1.1rem;font-size:.9rem}.cat-bars{display:grid;grid-template-columns:max-content 1fr 2.5rem;gap:.25rem .6rem;align-items:center;margin-top:.75rem;font-size:.9rem}.cat-bars meter{width:100%;height:1rem}.cat-bars .num{text-align:right;font-variant-numeric:tabular-nums}pac-findings{display:block}.findings{list-style:none;padding:0;margin:0}.finding{border:1px solid var(--border);border-left-width:4px;border-radius:var(--radius);padding:.5rem .75rem;margin-bottom:.6rem}.finding.sev-critical{border-left-color:var(--sev-critical)}.finding.sev-high{border-left-color:var(--sev-high)}.finding.sev-medium{border-left-color:var(--sev-medium)}.finding.sev-low{border-left-color:var(--sev-low)}.finding.sev-info{border-left-color:var(--sev-info)}.finding h3{font-size:1rem;margin:0;color:var(--fg);display:flex;gap:.5rem;flex-wrap:wrap;align-items:baseline}.finding p{margin:.3rem 0 0;color:var(--fg)}.finding .fmeta{font-size:.85rem;color:var(--fg-muted);display:flex;flex-wrap:wrap;gap:.25rem .9rem;margin-top:.3rem}.finding .fix{font-size:.9rem;color:var(--fg-muted)}.linkbtn{background:0 0;border:0;padding:0;color:var(--accent);text-decoration:underline;font-size:inherit}pac-trace,pac-engines,pac-share,pac-settings,pac-dns-map,pac-delivery{display:block}.trace td,.trace th{font-family:var(--mono);font-size:.82rem}.trace td.res{word-break:break-all}.trace .diverge{background:var(--mark)}.trace .o-bad{color:var(--sev-critical);font-weight:600}.eng-list{display:grid;gap:.25rem 1rem;grid-template-columns:repeat(auto-fill,minmax(min(14rem,100%),1fr))}.eng-list label{font-weight:400!important;margin:0!important;display:flex;gap:.4rem;align-items:center}.diff-hints{margin:.5rem 0 0;padding-left:1.1rem;font-size:.9rem}.dns-rows{display:grid;gap:.3rem}.dns-row{display:grid;grid-template-columns:1fr 1fr auto;gap:.3rem}.share-out{display:flex;gap:.5rem;margin-top:.4rem}.share-out input{flex:1}details>summary{cursor:pointer;font-weight:600}.inline-list{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:.25rem 1.25rem}.mono{font-family:var(--mono)}.ed-hl .ln.dead{opacity:.5}main section+section{margin-top:2rem}.checker .ed-ta{border:0;border-radius:0;padding:8px 10px;font:inherit;width:100%}.checker .inline{flex-wrap:nowrap;align-items:flex-start}.checker .inline label{flex:1}.checker .inline input[type=checkbox]{margin-top:.3rem}#check-meta{word-break:break-all}.generator{display:grid;gap:1.5rem;grid-template-columns:minmax(0,1fr);align-items:start}@media(min-width:60rem){.generator{grid-template-columns:minmax(0,1fr)minmax(0,1fr)}.gen-output{position:sticky;top:1rem}}.gen-form .field{margin-bottom:1rem}.gen-form .field-checkbox .inline{align-items:flex-start}.gen-form input[type=text],.gen-form select,.gen-form textarea{width:100%}.gen-form .grade-note{color:var(--sev-medium)}.gen-output h2{margin-top:0}.pac-output{width:100%;min-height:24rem;font-family:var(--mono);font-size:.85rem;line-height:1.45;white-space:pre;overflow:auto;background:var(--bg-code);border:1px solid var(--border);border-radius:var(--radius);padding:.75rem}.problems{list-style:none;padding:0;margin:0 0 .5rem}.problems li{margin:0 0 .5rem}.grade-notes{padding-left:1.2rem}pac-generator:not(.js-ready) .gen-output{display:none}pac-generator a.button[aria-disabled=true]{opacity:.5;pointer-events:none}.gen-group{border:1px solid var(--border);border-radius:var(--radius);margin:0 0 1.25rem;padding:.5rem .9rem .25rem;min-width:0}.gen-group legend{font-weight:600;padding:0 .25rem}.gen-form .hint{font-size:.85rem;color:var(--fg-muted);margin:.2rem 0 .3rem}.gen-form textarea.mono{font-family:var(--mono);font-size:.85rem;white-space:pre;overflow-x:auto}.gen-form textarea.comment-input{font-size:.9rem}.gen-form [aria-invalid=true]{border-color:var(--sev-critical)}.field-msgs{list-style:none;padding:0;margin:.25rem 0 0}.field-msgs:empty{display:none}.field-msgs li{margin:0 0 .25rem;font-size:.85rem}pac-anonymise .inline{display:flex;gap:.5rem;align-items:center}pac-anonymise .inline label{display:inline;font-weight:400;margin:0}.anon-table input[type=text]{width:100%;min-width:10rem}.anon-table td:first-child{white-space:nowrap}.anon-err{color:var(--sev-critical);font-size:.85rem;margin:.2rem 0 0}.anon-err:empty{display:none}.anon-bad td{background:var(--bg-alt)}.anon-reset{font-size:.85rem;padding:.1rem .4rem}.anon-risks{font-size:.9rem}.beta-badge{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;border:1px solid var(--sev-medium);color:var(--sev-medium);border-radius:var(--radius);padding:.05rem .4rem}.beta-line{font-weight:600}.privacy-line{font-size:.95rem;margin:.25rem 0 .5rem}.top-findings{list-style:none;padding:0}.top-findings li{margin:.25rem 0}.full-adds{margin:1rem 0}dialog.review{width:min(60rem,96vw);max-height:92vh;overflow:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);color:var(--fg);padding:1rem 1.25rem}dialog.review::backdrop{background:rgba(0,0,0,.45)}.review-preview{max-height:18rem;overflow:auto;background:var(--bg-code);border:1px solid var(--border);border-radius:var(--radius);padding:.5rem;font-size:.85rem;white-space:pre}.review-actions{justify-content:flex-end;position:sticky;bottom:-1rem;background:var(--bg);padding:.5rem 0}.review-actions .review-btn{min-width:12rem}.review-actions [hidden]{display:none}.review-actions .review-btn[data-checking]{position:relative;isolation:isolate;overflow:hidden}.review-actions .review-btn[data-checking]:disabled{opacity:1;color:var(--fg-muted)}.review-actions .review-btn[data-checking]::before{content:"";position:absolute;inset:0 auto 0 0;z-index:-1;width:calc(var(--p,0) * 100%);background:color-mix(in srgb,var(--ok) 45%,var(--bg-alt));transition:width .3s ease-out}@media(prefers-reduced-motion:reduce){.review-actions .review-btn[data-checking]::before{transition:none}}.review-problems{color:var(--sev-critical);font-size:.9rem}.eng-list{grid-template-columns:repeat(auto-fill,minmax(min(10rem,100%),1fr))}.eng-list label.eng{white-space:nowrap}pac-engines:not(:has(#eng-all:checked)) .eng-old{display:none!important}.checker .eng-all{margin-top:.4rem}.eng-ranges{margin:.3rem 0;padding-left:1.1rem}.group-by{display:flex;flex-wrap:wrap;gap:.25rem .9rem;align-items:center;margin:.25rem 0 .6rem;font-size:.9rem}.group-by .gb-opt{display:inline-flex;gap:.3rem;align-items:center}.checker .group-by label{display:inline;font-weight:400;margin:0}.finding .count{font-size:.85rem;font-weight:600;color:var(--fg-muted)}.finding details.locs{margin-top:.3rem;font-size:.9rem}.finding details.locs>summary{font-weight:400;color:var(--accent)}.loc-list{list-style:none;padding:0;margin:.3rem 0 0;display:grid;gap:.2rem;font-size:.9rem}.loc-list .badge{font-size:.7rem}.cat-h{font-size:1rem;margin:1rem 0 .4rem}.gen-switch{display:flex;flex-wrap:wrap;gap:.5rem;margin:0 0 1rem}.gen-switch a{border:1px solid var(--border);border-radius:var(--radius);padding:.35rem .8rem;text-decoration:none;color:var(--fg);overflow-wrap:anywhere}.gen-switch a[aria-current=page]{border-color:var(--accent);color:var(--accent);font-weight:600}