:root{
  --page:#f9f9f7; --surface:#fcfcfb; --ink:#0b0b0b; --ink-2:#52514e; --muted:#898781;
  --grid:#e1e0d9; --axis:#c3c2b7; --line:#e1e0d9;
  --accent:#2a78d6; --accent-ink:#1c5cab; --before:#86b6ef; --after:#2a78d6;
  --h1:#cde2fb; --h2:#9ec5f4; --h3:#6da7ec; --h4:#3987e5; --h5:#256abf; --h6:#104281;
  --good:#006300; --good-bg:#e6f4e6; --critical:#d03b3b; --critical-bg:#fbe9e9; --warn:#a36b00;
  --code-bg:#f0efec; --focus:#2a78d6;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --page:#0d0d0d; --surface:#1a1a19; --ink:#ffffff; --ink-2:#c3c2b7; --muted:#898781;
    --grid:#2c2c2a; --axis:#383835; --line:#2c2c2a;
    --accent:#3987e5; --accent-ink:#86b6ef; --before:#5598e7; --after:#cde2fb;
    --h1:#0d366b; --h2:#104281; --h3:#184f95; --h4:#256abf; --h5:#3987e5; --h6:#86b6ef;
    --good:#0ca30c; --good-bg:#12290f; --critical:#e66767; --critical-bg:#331a1a; --warn:#fab219;
    --code-bg:#232321; color-scheme:dark;
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--page);color:var(--ink);font-family:"Instrument Sans","Helvetica Neue",Arial,sans-serif;font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--accent-ink);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.mono,code,pre,.num,td.num{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace}
.num,td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
td.num{font-size:.9rem}
.strong{font-weight:600}
.muted{color:var(--muted)}
.small{font-size:.85rem}
.top{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:16px 28px;border-bottom:1px solid var(--line);background:var(--surface)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.05rem;color:var(--ink);letter-spacing:-.01em}
.brand .mark{width:22px;height:22px;border-radius:4px;background:linear-gradient(135deg,var(--h4),var(--h6))}
.top nav{display:flex;gap:22px;font-size:.92rem}
.top nav a{color:var(--ink-2)}
.page{max-width:1180px;margin:0 auto;padding:36px 28px 80px}
.foot{max-width:1180px;margin:0 auto;padding:24px 28px 48px;color:var(--muted);font-size:.85rem;border-top:1px solid var(--line)}
.eyebrow{font-size:.74rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 8px}
h1{font-size:2.1rem;line-height:1.15;letter-spacing:-.015em;margin:0 0 12px;text-wrap:balance}
h2.section-title{font-size:1.25rem;margin:0 0 10px;letter-spacing:-.01em}
h3{font-size:1.05rem;margin:0 0 8px}
.hero{margin-bottom:40px;max-width:76ch}
.hero.compact{margin-bottom:28px}
.lede{font-size:1.1rem;color:var(--ink-2);margin:0}
.crumbs{font-size:.85rem;color:var(--muted);margin:0 0 14px}
.notice{margin-top:18px;padding:12px 16px;border-left:3px solid var(--accent);background:var(--surface);border-radius:0 4px 4px 0;font-size:.95rem;color:var(--ink-2)}
section{margin-bottom:48px}
.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:20px;flex-wrap:wrap;margin-bottom:6px}
.section-head p{margin:0;max-width:60ch;font-size:.9rem}
.card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:20px 22px;color:var(--ink)}
a.card:hover{text-decoration:none;border-color:var(--accent)}
.card p{margin:6px 0}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:16px}
.two-col{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px}
.benchmark-card{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;margin-bottom:12px}
.card-stat{text-align:right;min-width:200px}
.card-stat .label{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.card-stat .num{display:block;font-size:2rem;font-weight:500}
.card-stat .sub{display:block;font-size:.82rem;color:var(--ink-2)}
.meta{font-size:.85rem;color:var(--muted)}
pre{background:var(--code-bg);padding:12px 14px;border-radius:4px;overflow-x:auto;font-size:.85rem;line-height:1.5;margin:10px 0}
pre.schema{max-height:520px;overflow:auto;font-size:.78rem}
code{font-size:.9em}
.button{display:inline-block;padding:8px 14px;border-radius:4px;background:var(--accent);color:#fff;font-weight:600;font-size:.9rem;margin:6px 6px 0 0}
.button:hover{text-decoration:none;filter:brightness(1.08)}
.button.secondary{background:transparent;color:var(--accent-ink);border:1px solid var(--accent-ink)}
.tablewrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:.93rem}
th{font-size:.72rem;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);text-align:left;font-weight:600;padding:8px 10px;border-bottom:1px solid var(--axis);vertical-align:bottom}
td{padding:10px;border-bottom:1px solid var(--line);vertical-align:top}
table.results td:first-child{min-width:220px}
table.mini{font-size:.85rem;margin-top:8px}
table.mini th,table.mini td{padding:5px 8px}
.badge{display:inline-block;font-size:.72rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;padding:2px 7px;border-radius:3px}
.badge.ok{color:var(--good);background:var(--good-bg)}
.badge.critical{color:var(--critical);background:var(--critical-bg)}
.badge.neutral{color:var(--ink-2);background:var(--code-bg)}
.warn{color:var(--warn);font-weight:600}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;margin:0;font-size:.92rem}
.kv dt{color:var(--muted)}
.kv dd{margin:0}
/* chart */
.chart{margin:12px 0 22px;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:16px 18px 10px}
.chart svg{width:100%;height:auto;display:block;font-family:"Instrument Sans",sans-serif}
.chart .grid{stroke:var(--grid);stroke-width:1}
.chart .axis{fill:var(--muted);font-size:12px;font-family:"JetBrains Mono",monospace}
.chart .rowlabel{fill:var(--ink);font-size:13px;font-weight:500}
.chart .dumbbell{stroke:var(--before);stroke-width:2}
.chart .dot-before{fill:var(--before);stroke:var(--surface);stroke-width:2}
.chart .dot-after{fill:var(--after);stroke:var(--surface);stroke-width:2}
.chart .val{fill:var(--ink);font-size:13px;font-family:"JetBrains Mono",monospace;font-weight:500}
.chart .flag{fill:var(--critical);font-size:11px;font-weight:600}
.chart figcaption{display:flex;gap:22px;font-size:.82rem;color:var(--ink-2);padding:8px 4px 0}
.sw{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:6px;vertical-align:-1px}
.sw.before{background:var(--before)} .sw.after{background:var(--after)}
/* heatmap */
table.heatmap td.cell{text-align:center;font-family:"JetBrains Mono",monospace;font-size:.88rem;padding:0;border:2px solid var(--page);border-radius:4px}
table.heatmap td.cell a{display:block;padding:12px 8px;color:inherit}
table.heatmap td.cell a:hover{text-decoration:none;outline:2px solid var(--accent);outline-offset:-2px}
.h1{background:var(--h1);color:var(--ink)} .h2{background:var(--h2);color:var(--ink)} .h3{background:var(--h3);color:#0b0b0b}
.h4{background:var(--h4);color:#fff} .h5{background:var(--h5);color:#fff} .h6{background:var(--h6);color:#fff}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .h1,:root:not([data-theme="light"]) .h2,:root:not([data-theme="light"]) .h3{color:#fff} :root:not([data-theme="light"]) .h6{color:#0b0b0b}}
td.cell.timeout{background:repeating-linear-gradient(45deg,var(--critical-bg),var(--critical-bg) 6px,var(--surface) 6px,var(--surface) 12px);color:var(--critical);font-weight:600}
td.cell.none{color:var(--muted);background:var(--surface)}
td.cell.error{color:var(--critical);background:var(--critical-bg)}
/* document */
.doc-grid{display:grid;grid-template-columns:minmax(280px,1fr) minmax(0,1.6fr);gap:28px;align-items:start}
.pages{position:sticky;top:16px;max-height:calc(100vh - 32px);overflow-y:auto;padding-right:4px}
.pageimg{margin:0 0 14px;border:1px solid var(--line);background:var(--surface);border-radius:4px;overflow:hidden}
.pageimg img{display:block;width:100%;height:auto}
.pageimg figcaption{font-size:.78rem;color:var(--muted);padding:6px 10px;border-top:1px solid var(--line)}
.fields-table td{font-size:.82rem;vertical-align:top;word-break:break-word}
.fields-table td.path{color:var(--ink-2);min-width:180px}
.fields-table td.gold{min-width:160px}
.fields-table .dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:7px;vertical-align:1px;background:var(--muted)}
.fields-table td.cell-pass .dot{background:var(--good)}
.fields-table td.cell-fail .dot{background:var(--critical)}
.fields-table td.cell-fail{background:var(--critical-bg)}
.fields-table td.cell-missing .dot,.fields-table td.cell-extra .dot{background:var(--muted)}
.fields-table td.cell-missing,.fields-table td.cell-extra{color:var(--muted);font-style:italic}
.fields-table tr.same.hidden{display:none}
.pagechip{display:inline-block;font-size:.7rem;padding:0 5px;border:1px solid var(--line);border-radius:3px;margin-left:4px;color:var(--accent-ink);font-family:"Instrument Sans",sans-serif}
.toggle{font-size:.85rem;color:var(--ink-2);display:flex;align-items:center;gap:8px;white-space:nowrap}
/* prose */
.prose{max-width:74ch;font-family:"Source Serif 4",Georgia,serif;font-size:1.05rem;line-height:1.65}
.prose h2{font-family:"Instrument Sans",sans-serif;font-size:1.25rem;margin:36px 0 10px}
.prose h3{font-family:"Instrument Sans",sans-serif}
.prose table{font-family:"Instrument Sans",sans-serif;font-size:.9rem}
.prose blockquote{margin:12px 0;padding:8px 16px;border-left:3px solid var(--accent);background:var(--surface);font-style:normal;color:var(--ink-2)}
.prose pre{font-family:"JetBrains Mono",monospace}
.dispute-card h3{margin-top:4px}
.found p{max-width:76ch}
@media (max-width:900px){.doc-grid{grid-template-columns:1fr}.pages{position:static;max-height:none}.top{flex-direction:column;align-items:flex-start}.benchmark-card{grid-template-columns:1fr}.card-stat{text-align:left}}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
/* v2: card, filters, record tables, editor chrome */
.bcard{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:0;border:1px solid var(--line);border-radius:6px;background:var(--surface);overflow:hidden}
.bcard-item{padding:14px 16px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:4px;min-width:0}
.bcard-item .k{font-size:.7rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}
.bcard-item .v{font-size:1rem;line-height:1.35}
.bcard-item .v.small{font-size:.86rem;color:var(--ink-2)}
.bcard-item .sub{font-size:.8rem;color:var(--muted);line-height:1.35}
.timeline{list-style:none;padding:0;margin:0;font-size:.92rem}
.timeline li{padding:6px 0;border-bottom:1px solid var(--line)}
.timeline .mono{margin-right:10px;font-size:.82rem}
.filters{display:flex;gap:14px;font-size:.85rem;color:var(--ink-2);white-space:nowrap}
.filters label{display:flex;align-items:center;gap:5px}
.block-title{margin:26px 0 6px;font-size:.95rem;display:flex;gap:10px;align-items:baseline}
.block-title.empty,.tablewrap.empty{display:none}
.fields-table tr.hidden{display:none}
.fields-table td.act{width:1%;white-space:nowrap}
a.fix{font-size:.75rem;color:var(--accent-ink);opacity:0;transition:opacity .1s}
tr:hover a.fix,td.rcell:hover a.fix{opacity:1}
.fields-table td.gold .v{font-weight:500}
table.records td.rcell{min-width:120px;position:relative;padding:8px 10px}
table.records td.rcell .v{display:block;font-family:"JetBrains Mono",monospace;font-size:.82rem}
table.records td.rcell .v.nogold{color:var(--accent-ink)}
table.records td.rcell.has-fail{background:var(--critical-bg)}
table.records td.rcell.has-disagree .v.nogold{background:var(--code-bg);border-radius:3px;padding:0 4px}
.marks{display:inline-flex;gap:3px;margin-top:3px}
.marks .dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--muted)}
.marks .dot.pass{background:var(--good)} .marks .dot.fail{background:var(--critical)} .marks .dot.ungraded{background:var(--accent)}
.sysval{font-size:.75rem;font-family:"JetBrains Mono",monospace;color:var(--ink-2);margin-top:3px;word-break:break-word}
.sysval .who{font-family:"Instrument Sans",sans-serif;color:var(--muted);margin-right:4px}
.sysval.fail{color:var(--critical)}
.fields-table td.cell-ungraded .dot{background:var(--accent)}
.fields-table td.cell-ungraded{color:var(--ink)}
/* editor chrome */
.local-tag{font-size:.65rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#fff;background:var(--accent);border-radius:3px;padding:2px 6px;margin-left:8px}
.uncommitted{font-size:.8rem;color:var(--warn);font-weight:600}
.editbar{margin:0 0 14px;padding:12px 14px;border:1px solid var(--accent);border-radius:6px;background:var(--surface);font-size:.92rem}
.editbar p{margin:4px 0}
.editable{cursor:pointer}
.editable:hover{outline:2px solid var(--accent);outline-offset:-2px;border-radius:3px}
.popover{position:absolute;z-index:20;background:var(--surface);border:1px solid var(--axis);border-radius:6px;box-shadow:0 8px 24px rgba(0,0,0,.14);padding:12px 14px;min-width:300px;max-width:440px;font-size:.88rem}
.popover h4{margin:0 0 8px;font-size:.85rem}
.popover .cand{display:block;width:100%;text-align:left;background:var(--code-bg);border:1px solid var(--line);border-radius:4px;padding:6px 8px;margin:4px 0;font-family:"JetBrains Mono",monospace;font-size:.8rem;cursor:pointer;color:var(--ink)}
.popover .cand:hover,.popover .cand.selected{border-color:var(--accent);background:var(--surface)}
.popover .cand .who{font-family:"Instrument Sans",sans-serif;color:var(--muted);margin-right:6px;font-size:.75rem}
.popover input,.popover textarea{width:100%;box-sizing:border-box;font:inherit;padding:6px 8px;border:1px solid var(--axis);border-radius:4px;background:var(--page);color:var(--ink);margin:4px 0}
.popover .row{display:flex;gap:8px;justify-content:flex-end;margin-top:8px}
.popover .button{margin:0}
.popover .err{color:var(--critical);font-size:.8rem}
.toast{position:fixed;bottom:18px;right:18px;background:var(--ink);color:var(--page);padding:10px 14px;border-radius:6px;font-size:.88rem;z-index:30;max-width:420px}
.draft-note{font-size:.8rem;color:var(--muted)}
tr.draft-disagree td.gold,td.rcell.draft-disagree{outline:2px dashed var(--warn);outline-offset:-2px}
.review-progress{font-size:.85rem;color:var(--ink-2);margin:6px 0}
.fields-table th .dot.legend{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--muted);margin-right:3px}
table.records td:first-child{white-space:nowrap}
table.records.focus th.quiet,table.records.focus td.quiet{display:none}
.fields-table td.rcell{min-width:200px}
input.wide{width:100%;box-sizing:border-box;font-size:.9rem;padding:7px 9px;border:1px solid var(--axis);border-radius:4px;background:var(--page);color:var(--ink)}
.uncommitted.clean{color:var(--good)}