/* Front2Back-ReID project page */
:root{
  color-scheme:light;
  --page:#f9f9f7; --surface:#fcfcfb; --surface-2:#f2f1ed; --ink:#0b0b0b; --ink-2:#52514e; --muted:#76746e;
  --grid:#e1e0d9; --axis:#c3c2b7; --border:rgba(11,11,11,.10); --border-2:rgba(11,11,11,.18);
  --accent:#1d35c4; --accent-ink:#ffffff; --accent-wash:rgba(29,53,196,.08);
  --s1:#2a78d6; --s2:#eb6834; --s3:#1baf7a; --human:#0b0b0b;
  --good:#0ca30c; --good-ink:#006300; --bad:#d03b3b; --bad-ink:#b42323;
  --box:#ffd400; --box-ink:#0b0b0b;
  --shadow:0 1px 2px rgba(11,11,11,.06),0 4px 16px rgba(11,11,11,.05);
  --radius:12px; --maxw:1120px;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --page:#0d0d0d; --surface:#1a1a19; --surface-2:#232321; --ink:#ffffff; --ink-2:#c3c2b7; --muted:#9a988f;
    --grid:#2c2c2a; --axis:#46463f; --border:rgba(255,255,255,.10); --border-2:rgba(255,255,255,.20);
    --accent:#7d93ff; --accent-ink:#0b0b0b; --accent-wash:rgba(125,147,255,.14);
    --s1:#3987e5; --s2:#d95926; --s3:#199e70; --human:#ffffff;
    --good-ink:#2fc32f; --bad-ink:#ff8080;
    --shadow:0 1px 2px rgba(0,0,0,.4);
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --page:#0d0d0d; --surface:#1a1a19; --surface-2:#232321; --ink:#ffffff; --ink-2:#c3c2b7; --muted:#9a988f;
  --grid:#2c2c2a; --axis:#46463f; --border:rgba(255,255,255,.10); --border-2:rgba(255,255,255,.20);
  --accent:#7d93ff; --accent-ink:#0b0b0b; --accent-wash:rgba(125,147,255,.14);
  --s1:#3987e5; --s2:#d95926; --s3:#199e70; --human:#ffffff;
  --good-ink:#2fc32f; --bad-ink:#ff8080;
  --shadow:0 1px 2px rgba(0,0,0,.4);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-padding-top:72px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--page);color:var(--ink);font:16px/1.6 var(--sans);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-underline-offset:2px}
a:hover{text-decoration-thickness:2px}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;font-weight:650;letter-spacing:-.01em}
h1{font-size:clamp(1.7rem,4vw,2.6rem);text-wrap:balance}
h2{font-size:1.5rem}
h3{font-size:1.08rem}
p{margin:0 0 1em}
code,kbd,pre{font-family:var(--mono);font-size:.88em}
code{background:var(--surface-2);padding:.1em .35em;border-radius:5px}
pre{background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:14px 16px;overflow-x:auto;line-height:1.5}
pre code{background:none;padding:0}
kbd{border:1px solid var(--border-2);border-bottom-width:2px;border-radius:5px;padding:0 .4em;background:var(--surface)}
.skip{position:absolute;left:-999px}
.skip:focus{left:16px;top:8px;z-index:100;background:var(--surface);padding:8px 12px;border-radius:8px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.wrap{max-width:var(--maxw);margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
@media (max-width:640px){.wrap{padding-left:16px;padding-right:16px}}

/* ---------- top bar ---------- */
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:20px;padding:10px 24px;background:color-mix(in srgb,var(--page) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--border)}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:650;white-space:nowrap}
.mark{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:8px;background:var(--accent);color:var(--accent-ink);font-size:.72rem;letter-spacing:.02em}
.tabs{display:flex;gap:4px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tabs a{color:var(--ink-2);text-decoration:none;padding:7px 12px;border-radius:8px;font-size:.94rem;white-space:nowrap}
.tabs a:hover{background:var(--surface-2);color:var(--ink)}
.tabs a[aria-current="page"]{background:var(--accent-wash);color:var(--accent);font-weight:600}
.tabs .tab-try{color:var(--accent);font-weight:600}
.theme{flex:none;width:36px;height:36px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--ink-2);display:grid;place-items:center;cursor:pointer}
.theme svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8}
@media (max-width:760px){
  .topbar{flex-wrap:wrap;gap:8px 12px;padding:8px 16px}
  .brand-name{display:none}
  .tabs{order:3;width:100%;margin-left:-4px}
  .theme{margin-left:auto}
}

main{min-height:70vh}
.view{padding-bottom:48px}

/* ---------- hero ---------- */
.hero{text-align:center;padding-top:56px;padding-bottom:24px}
.venue{color:var(--muted);font-size:.9rem;letter-spacing:.02em;margin-bottom:14px}
.hero h1{font-family:var(--serif);font-weight:600;max-width:900px;margin:0 auto 18px;font-size:clamp(1.7rem,4.2vw,2.75rem);letter-spacing:-.005em;line-height:1.15}
.authors{font-size:1.12rem;display:flex;justify-content:center;flex-wrap:wrap;gap:4px 28px;margin-bottom:4px}
.affil{color:var(--ink-2);font-size:.92rem;display:flex;justify-content:center;flex-wrap:wrap;gap:2px 22px}
.actions{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:22px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;border:1px solid var(--border-2);background:var(--surface);color:var(--ink);font:inherit;font-size:.95rem;font-weight:550;text-decoration:none;cursor:pointer;line-height:1.2}
.btn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.btn:hover{border-color:var(--ink-2)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.primary svg{fill:currentColor;stroke:none}
.btn.primary:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent}
.btn.small{padding:6px 12px;font-size:.88rem}
.btn:disabled{opacity:.45;cursor:not-allowed}

.teaser{margin-top:18px;margin-bottom:28px}
figure{margin:0}
figure img{border-radius:10px;background:#fff}
figcaption{color:var(--ink-2);font-size:.9rem;margin-top:10px;line-height:1.5}
figure.wide{margin-top:8px;margin-bottom:32px}
figure.wide img{border:1px solid var(--border)}

.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:40px}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;display:flex;flex-direction:column;gap:2px}
.stat-label{font-size:.84rem;color:var(--ink-2)}
.stat-value{font-size:2.1rem;font-weight:650;letter-spacing:-.02em;line-height:1.15}
.stat-note{font-size:.82rem;color:var(--muted)}
@media (max-width:860px){.stat-row{grid-template-columns:repeat(2,1fr)}}

.prose{max-width:var(--maxw)}
.prose > p,.prose > h2,.prose > h3{max-width:780px}
.prose p{color:var(--ink)}
section .prose{margin-bottom:28px}
.findings{margin-bottom:36px}
.finding-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.finding-list li{display:flex;gap:14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.finding-list .num{flex:none;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--accent-wash);color:var(--accent);font-weight:700;font-size:.9rem}
.finding-list h3{margin-bottom:.35em}
.finding-list p{margin:0;color:var(--ink-2);font-size:.94rem}
.more{margin-top:12px}
@media (max-width:860px){.finding-list{grid-template-columns:1fr}}

.two-col{display:grid;grid-template-columns:1.1fr 1fr;gap:24px;align-items:start;margin-bottom:28px}
@media (max-width:900px){.two-col{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow)}
.wrap.card{margin-bottom:24px}
@media (max-width:640px){.wrap.card{margin-left:16px;margin-right:16px;padding:16px}}
.card-title{font-size:1.12rem;margin-bottom:2px}
.card-sub{color:var(--ink-2);font-size:.9rem;margin-bottom:14px}
.foot{color:var(--muted);font-size:.84rem;margin:12px 0 0;line-height:1.5}
.hint{color:var(--muted);font-size:.86rem}
.section-title{margin:8px 0 14px}
.aside h3{margin-top:4px}
.aside p{color:var(--ink-2)}

.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0 0}
.facts div{border-top:1px solid var(--border);padding-top:8px}
.facts dt{font-size:.8rem;color:var(--muted)}
.facts dd{margin:0;font-weight:600}

.composition{display:grid;gap:16px}
.comp-group h4{font-size:.82rem;font-weight:600;color:var(--ink-2);margin:0 0 6px;text-transform:none}
.comp-row{display:grid;grid-template-columns:118px 1fr 52px;align-items:center;gap:10px;font-size:.86rem;padding:2px 0}
.comp-row .bar{height:10px;background:var(--surface-2);border-radius:0 4px 4px 0;position:relative}
.comp-row .bar span{position:absolute;inset:0 auto 0 0;background:var(--s1);border-radius:0 4px 4px 0}
.comp-row .v{text-align:right;color:var(--ink-2);font-variant-numeric:tabular-nums}
.comp-row:hover .bar span{filter:brightness(1.12)}

.prompt{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 18px;margin-bottom:24px}
.prompt summary{cursor:pointer;font-weight:600}
.prompt-body{margin-top:14px}
.prompt h4{font-size:.9rem;margin:14px 0 6px;display:flex;align-items:center;gap:8px}
.mono{font-family:var(--mono);font-size:.82rem;line-height:1.55;color:var(--ink-2)}
.prompt-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:760px){.prompt-cols{grid-template-columns:1fr}}
.key{display:inline-block;width:14px;height:3px;border-radius:2px}
.k-rgb_full{background:var(--s1)} .k-front_crop{background:var(--s2)} .k-front_mask{background:var(--s3)}

/* ---------- results ---------- */
.page-head{padding-top:44px;padding-bottom:12px}
.eyebrow{color:var(--accent);font-weight:650;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px}
.lede{color:var(--ink-2);font-size:1.05rem;max-width:760px}
.toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:10px 14px;margin:6px 0 18px}
.toolbar-label{font-size:.88rem;color:var(--ink-2);font-weight:600}
.toolbar-note{font-size:.85rem;color:var(--muted)}
.seg{display:inline-flex;background:var(--surface-2);border:1px solid var(--border);border-radius:9px;padding:3px}
.seg button{font:inherit;font-size:.88rem;border:0;background:transparent;color:var(--ink-2);padding:6px 12px;border-radius:7px;cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--surface);color:var(--ink);font-weight:600;box-shadow:0 1px 2px rgba(0,0,0,.12)}
.table-scroll{overflow-x:auto;margin:0 -4px}
.board{width:100%;border-collapse:collapse;font-size:.92rem;min-width:720px}
.board th,.board td{padding:9px 10px;text-align:left;border-bottom:1px solid var(--border);vertical-align:middle}
.board thead th{font-size:.8rem;color:var(--ink-2);font-weight:600;border-bottom:1px solid var(--border-2);white-space:nowrap}
.board thead th button{all:unset;cursor:pointer;display:inline-flex;align-items:center;gap:6px}
.board thead th button:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.board thead th[aria-sort] button::after{content:"↓";font-size:.8em;color:var(--accent)}
.board thead th[aria-sort="ascending"] button::after{content:"↑"}
.board tr.group td{font-size:.76rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:650;padding-top:16px;border-bottom:0}
.board tr.human td{background:var(--accent-wash)}
.board td.name{font-weight:550;white-space:nowrap}
.board td.name small{display:block;font-weight:400;color:var(--muted);font-size:.78rem}
.cell{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:10px;min-width:150px}
.cell b{font-variant-numeric:tabular-nums;font-weight:600;min-width:2.6em}
.cell .ci{font-size:.74rem;color:var(--muted);font-variant-numeric:tabular-nums;display:block;line-height:1.2}
.mini-bar{position:relative;height:14px;min-width:70px}
.mini-bar .track{position:absolute;left:0;right:0;top:6px;height:2px;background:var(--grid);border-radius:2px}
.mini-bar .range{position:absolute;top:5px;height:4px;border-radius:2px;opacity:.35}
.mini-bar .dot{position:absolute;top:2px;width:10px;height:10px;margin-left:-5px;border-radius:50%;box-shadow:0 0 0 2px var(--surface)}
.best b{color:var(--ink)}
.best b::after{content:" ●";font-size:.6em;vertical-align:.25em;color:var(--accent)}
.delta{font-variant-numeric:tabular-nums;white-space:nowrap}
.delta.neg{color:var(--bad-ink)} .delta.pos{color:var(--good-ink)}
.na{color:var(--muted)}

.legend{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:.86rem;color:var(--ink-2);margin:0 0 8px}
.legend span{display:inline-flex;align-items:center;gap:7px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:50%}
.legend i.line{width:16px;height:2px;border-radius:2px}
.legend i.star{width:12px;height:12px;border-radius:0;clip-path:polygon(50% 0,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%)}
.chart{width:100%;position:relative}
.chart svg{display:block;width:100%;height:auto;overflow:visible}
.chart text,.multiples text{fill:var(--ink-2);font:12px var(--sans)}
.chart .muted,.multiples .muted{fill:var(--muted)}
.chart .strong{fill:var(--ink);font-weight:600}
.gridline{stroke:var(--grid);stroke-width:1}
.axis{stroke:var(--axis);stroke-width:1}
.hit{fill:transparent;cursor:default}
.hit:hover + .hl,.hl.on{opacity:1}
.hl{fill:var(--accent-wash);opacity:0;pointer-events:none}
.multiples{display:grid;grid-template-columns:repeat(4,1fr);gap:18px 20px}
.multiples figure h4{font-size:.86rem;font-weight:600;margin:0 0 4px;color:var(--ink)}
@media (max-width:980px){.multiples{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.multiples{grid-template-columns:1fr}}
.tooltip{position:fixed;z-index:80;pointer-events:none;background:var(--surface);color:var(--ink);border:1px solid var(--border-2);border-radius:8px;padding:8px 10px;font-size:.82rem;box-shadow:0 6px 24px rgba(0,0,0,.18);max-width:280px;line-height:1.4}
.tooltip .t-head{color:var(--ink-2);font-size:.78rem;margin-bottom:4px}
.tooltip .t-row{display:flex;align-items:center;gap:8px}
.tooltip .t-row i{width:12px;height:2px;border-radius:2px;flex:none}
.tooltip .t-row b{font-variant-numeric:tabular-nums}
.tooltip .t-row span{color:var(--ink-2)}

.cases{display:grid;grid-template-columns:1fr;gap:18px}
.case img{max-width:920px;margin:0 auto;width:100%}
.cases{margin-bottom:32px}
.prose > p.abs{text-align:justify;hyphens:auto}
.nw{white-space:nowrap}
.case img{border-radius:8px;border:1px solid var(--border)}
.case figcaption{margin-top:12px}
.quotes{margin-top:12px}
.quotes summary{cursor:pointer;font-weight:600;font-size:.92rem}
.mini{width:100%;border-collapse:collapse;font-size:.84rem;margin-top:8px}
.mini th,.mini td{text-align:left;padding:6px 8px;border-bottom:1px solid var(--border);vertical-align:top}
.mini th{color:var(--ink-2);font-weight:600;font-size:.78rem}
.mini td:last-child{color:var(--ink-2);font-style:italic}

/* ---------- try ---------- */
.setup{display:grid;grid-template-columns:1fr 1fr;gap:18px 28px}
@media (max-width:760px){.setup{grid-template-columns:1fr}}
.choice{border:0;margin:0;padding:0;display:grid;gap:8px;align-content:start}
.choice legend{font-weight:650;margin-bottom:8px;padding:0}
.choice label{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border:1px solid var(--border-2);border-radius:10px;cursor:pointer;background:var(--surface)}
.choice label:has(input:checked){border-color:var(--accent);background:var(--accent-wash)}
.choice input{margin-top:4px;accent-color:var(--accent)}
.choice span{display:flex;flex-direction:column}
.choice small{color:var(--ink-2);font-size:.85rem}
.setup-foot{grid-column:1/-1;display:flex;align-items:center;flex-wrap:wrap;gap:10px 16px;border-top:1px solid var(--border);padding-top:16px}
.setup-foot .btn{margin-left:auto}
.seed{font-size:.9rem;font-weight:600;display:flex;align-items:center;gap:8px}
.seed input{width:92px;font:inherit;font-variant-numeric:tabular-nums;padding:6px 10px;border:1px solid var(--border-2);border-radius:8px;background:var(--surface);color:var(--ink)}
#best-score{grid-column:1/-1;margin:0}
#best-score:empty{display:none}

.run-head{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.progress{flex:1;height:6px;background:var(--surface-2);border-radius:6px;overflow:hidden}
.progress span{display:block;height:100%;width:0;background:var(--accent);border-radius:6px;transition:width .25s}
.run-status{margin:0;font-size:.9rem;color:var(--ink-2);font-variant-numeric:tabular-nums;white-space:nowrap}

.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:10px;display:flex;flex-direction:column;min-width:0}
.panel figcaption{margin:0 2px 8px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:.86rem;color:var(--ink)}
.tag{font-size:.72rem;text-transform:uppercase;letter-spacing:.07em;font-weight:700;color:var(--muted)}
.zoom-ctl{margin-left:auto;display:inline-flex;gap:2px;background:var(--surface-2);border-radius:7px;padding:2px}
.zoom-ctl button{font:inherit;font-size:.78rem;border:0;background:transparent;color:var(--ink-2);padding:3px 8px;border-radius:5px;cursor:pointer}
.zoom-ctl button[aria-pressed="true"]{background:var(--surface);color:var(--ink);font-weight:600}
.zoomer{overflow:auto;border-radius:8px;background:#0b0b0b;flex:1;display:flex;align-items:center;justify-content:center;min-height:180px;overscroll-behavior:contain}
.zoom-inner{width:100%;flex:none}
.zoom-inner > img{width:100%;margin:auto}
.zoomer:has(img.small-src){background:repeating-conic-gradient(var(--surface-2) 0 25%,var(--surface) 0 50%) 0 0/16px 16px}
.front-panel img.small-src{image-rendering:auto;max-height:360px;width:auto;max-width:100%}
.gallery{position:relative;width:100%}
.gallery img{width:100%;border-radius:0}
.gallery svg{position:absolute;inset:0;width:100%;height:100%}
.answer-bar{display:flex;align-items:center;gap:12px;margin-top:14px;flex-wrap:wrap}
.chips{display:flex;flex-wrap:wrap;gap:6px;flex:1}
.chip{font:inherit;font-size:.9rem;font-weight:600;min-width:46px;padding:8px 10px;border-radius:8px;border:1px solid var(--border-2);background:var(--surface);color:var(--ink);cursor:pointer;font-variant-numeric:tabular-nums}
.chip:hover{border-color:var(--ink-2)}
.chip[aria-checked="true"]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.chip.correct{background:var(--good);border-color:var(--good);color:#fff}
.chip.wrong{background:var(--bad);border-color:var(--bad);color:#fff}
.keys{margin-top:10px}
@media (hover:none){.keys{display:none}}
.feedback{margin-top:14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center}
.feedback .verdict{font-weight:700;font-size:1.05rem}
.feedback .verdict.ok{color:var(--good-ink)} .feedback .verdict.no{color:var(--bad-ink)}
.feedback .btn{margin-left:auto}
.pick-list{display:flex;flex-wrap:wrap;gap:6px;font-size:.82rem;width:100%}
.pick{display:inline-flex;gap:6px;align-items:center;border:1px solid var(--border);border-radius:999px;padding:3px 10px;background:var(--surface-2)}
.pick.ok::before{content:"✓";color:var(--good-ink);font-weight:700}
.pick.no::before{content:"✗";color:var(--bad-ink);font-weight:700}

.done-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:18px;margin-bottom:18px}
@media (max-width:860px){.done-grid{grid-template-columns:1fr}}
.score-hero{display:flex;flex-direction:column;gap:6px}
.score-hero .big{font-size:3.6rem;font-weight:700;letter-spacing:-.03em;line-height:1}
.score-hero .verdict-line{font-size:1.05rem;color:var(--ink)}
.kv{display:grid;grid-template-columns:1fr auto;gap:6px 14px;font-size:.92rem;margin-top:10px;border-top:1px solid var(--border);padding-top:12px}
.kv dt{color:var(--ink-2)} .kv dd{margin:0;font-weight:600;font-variant-numeric:tabular-nums;text-align:right}
.done-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.review{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.review-item{border:1px solid var(--border);border-radius:10px;overflow:hidden;background:var(--surface);cursor:pointer;text-align:left;padding:0;font:inherit;color:inherit}
.review-item:hover{border-color:var(--ink-2)}
.review-item img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.review-item div{padding:8px 10px;font-size:.84rem;display:flex;justify-content:space-between;gap:8px}
.review-item .res-ok{color:var(--good-ink);font-weight:700} .review-item .res-no{color:var(--bad-ink);font-weight:700}
.note-box{border-left:3px solid var(--accent);background:var(--accent-wash);padding:10px 14px;border-radius:0 8px 8px 0;font-size:.88rem;color:var(--ink-2);margin:12px 0 0}

/* ---------- explore ---------- */
.filters label{font-size:.88rem;color:var(--ink-2);display:inline-flex;align-items:center;gap:6px}
select{font:inherit;font-size:.9rem;padding:6px 10px;border:1px solid var(--border-2);border-radius:8px;background:var(--surface);color:var(--ink)}
.check input{accent-color:var(--accent)}
.explorer .ex-nav{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px}
.ex-nav label{font-size:.9rem;display:inline-flex;gap:6px;align-items:center}
.ex-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.pill{font-size:.8rem;padding:3px 10px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border);color:var(--ink-2)}
.pill b{color:var(--ink);font-weight:600}
.pill.warn{border-color:var(--bad);color:var(--bad-ink)}
.ex-picks{margin-top:10px}
.ex-picks:empty{display:none}

/* ---------- dataset ---------- */
.filelist{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:8px}
.filelist li{display:flex;flex-direction:column;border-top:1px solid var(--border);padding-top:8px}
.filelist span{color:var(--ink-2);font-size:.88rem}
.filelist b{font-weight:400}
.bib{white-space:pre;overflow-x:auto;font-size:.82rem}

.footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 20px;padding-top:22px;padding-bottom:32px;border-top:1px solid var(--border);color:var(--muted);font-size:.88rem}

@media (forced-colors:active){
  .mini-bar .dot,.legend i{forced-color-adjust:none}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

@media (max-width:640px){
  .mini-bar{display:none}
  .board{min-width:500px;font-size:.88rem}
  .cell{min-width:0;display:block}
  .board td.name{white-space:normal;min-width:120px}
  .cell .ci{white-space:nowrap}
  .board th,.board td{padding:8px 6px}
}

/* ---------- pair viewer (Try + Explore) ---------- */
.wrap-xl{max-width:1520px}
.view.running .page-head{display:none}
.view.running{padding-top:18px}
.viewer .arena{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px}
.viewer[data-mode="crop"] .arena,.viewer[data-mode="silhouette"] .arena{grid-template-columns:minmax(0,.78fr) minmax(0,1.22fr)}
@media (max-width:900px){.viewer .arena,.viewer[data-mode] .arena{grid-template-columns:1fr}}
.viewer .panel figcaption .cap{color:var(--ink);font-weight:500}
.viewer .zoomer{flex:none;aspect-ratio:16/9;min-height:0;display:block;overflow:auto;background:#0b0b0b;border-radius:8px;scrollbar-width:thin}
.viewer[data-mode="crop"] .front-panel .zoomer,.viewer[data-mode="silhouette"] .front-panel .zoomer{flex:1;aspect-ratio:auto;min-height:220px}
.viewer[data-mode="crop"] .front-panel .zoom-inner,.viewer[data-mode="silhouette"] .front-panel .zoom-inner{height:100%}
.viewer[data-mode="crop"] .front-panel .stage,.viewer[data-mode="silhouette"] .front-panel .stage{aspect-ratio:auto;height:100%;min-height:220px}
@media (max-width:900px){.viewer[data-mode="crop"] .front-panel .zoomer,.viewer[data-mode="silhouette"] .front-panel .zoomer{aspect-ratio:16/9;flex:none}}
.viewer .zoomer.zoomed{cursor:grab}
.viewer .zoom-inner{width:100%}
.stage{position:relative;width:100%;aspect-ratio:16/9}
.stage > img{position:absolute;inset:0;width:100%;height:100%;border-radius:0;background:#000}
.stage.is-crop{display:flex;align-items:center;justify-content:center;background:repeating-conic-gradient(#e9e8e3 0 25%,#f6f5f1 0 50%) 0 0/18px 18px}
.stage.is-crop > img{position:static;object-fit:contain;background:transparent;margin:auto}
.stage > svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}
.stage > svg .cand,.stage > svg .lbl{pointer-events:auto}
.cand .halo{fill:none;stroke:rgba(0,0,0,.62);stroke-width:5;vector-effect:non-scaling-stroke}
.cand .box{fill:none;stroke:#ffd400;stroke-width:2.2;vector-effect:non-scaling-stroke}
.cand .hitbox{fill:transparent}
.lbl rect{fill:#ffd400;stroke:rgba(0,0,0,.55);stroke-width:1;vector-effect:non-scaling-stroke}
.lbl text{fill:#111;font-family:var(--sans);font-weight:750;letter-spacing:.01em}
.lbl .lead{stroke:#ffd400;stroke-width:1.5;vector-effect:non-scaling-stroke}
.cand.target .box{stroke:#22d3ee;stroke-width:2.6}
.cand.target .lbl rect{fill:#22d3ee}
#try-viewer .cand,#try-viewer .lbl{cursor:pointer}
.cand.hot .box{stroke-width:3.6}
.cand.hot .halo{stroke-width:7}
.lbl.hot rect{stroke:#000;stroke-width:1.5}
.cand.sel .box{stroke:#3b9bff;stroke-width:3.6}
.lbl.sel rect{fill:#3b9bff} .lbl.sel text{fill:#fff}
.lbl.sel .lead{stroke:#3b9bff}
.cand.correct .box{stroke:#22c55e;stroke-width:3.6}
.lbl.correct rect{fill:#22c55e} .lbl.correct text{fill:#fff}
.lbl.correct .lead{stroke:#22c55e}
.cand.wrong .box{stroke:#ef4444;stroke-width:3.6}
.lbl.wrong rect{fill:#ef4444} .lbl.wrong text{fill:#fff}
.lbl.wrong .lead{stroke:#ef4444}
.cand.dim,.lbl.dim{opacity:.38}
.closeup-wrap{margin-top:14px}
.closeup-title{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 12px;margin:0 0 8px;font-size:.92rem}
.closeups{display:flex;flex-wrap:wrap;gap:10px}
.closeup{display:flex;flex-direction:column;align-items:stretch;padding:0;border:2px solid var(--border-2);border-radius:10px;overflow:hidden;background:#0b0b0b;color:inherit;font:inherit;cursor:default;transition:transform .12s,border-color .12s}
button.closeup{cursor:pointer}
.closeup .thumb{position:relative;display:block;background-repeat:no-repeat;background-color:#000}
.closeup .ring{position:absolute;border:2px solid #ffd400;border-radius:2px;box-shadow:0 0 0 1px rgba(0,0,0,.7)}
.closeup .cl-label{font-weight:700;font-size:.88rem;padding:4px 8px;background:var(--surface);color:var(--ink);text-align:center;font-variant-numeric:tabular-nums}
.closeup.hot{border-color:var(--ink-2);transform:translateY(-1px)}
.closeup.sel{border-color:#3b9bff} .closeup.sel .cl-label{background:#3b9bff;color:#fff} .closeup.sel .ring{border-color:#3b9bff}
.closeup.correct{border-color:#22c55e} .closeup.correct .cl-label{background:#22c55e;color:#fff} .closeup.correct .ring{border-color:#22c55e}
.closeup.wrong{border-color:#ef4444} .closeup.wrong .cl-label{background:#ef4444;color:#fff} .closeup.wrong .ring{border-color:#ef4444}
.closeup.dim{opacity:.45}
#try-run:has(.closeup-wrap:not([hidden])) .chips{visibility:hidden;height:0;overflow:hidden}
.choice label.opt{margin-top:6px;border-style:dashed}

/* ---------- lightbox ---------- */
img.zoomable{cursor:zoom-in}
.lightbox{position:fixed;inset:0;z-index:120;background:rgba(5,5,5,.88);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;gap:12px}
.lightbox img{max-width:min(96vw,1800px);max-height:84vh;width:auto;height:auto;border-radius:8px;background:#fff;cursor:zoom-out}
.lb-cap{color:#e6e6e3;font-size:.9rem;max-width:900px;text-align:center;margin:0}
.lb-close{position:absolute;top:14px;right:16px;width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.08);color:#fff;font-size:24px;line-height:1;cursor:pointer}
body.no-scroll{overflow:hidden}

/* ---------- citation band ---------- */
.citation-band{background:var(--surface);border-top:1px solid var(--border);padding:40px 0 28px;margin-top:24px}
.citation-band h2{margin-bottom:10px}
.citation-band h3{font-size:1rem;margin-top:22px}
.cite-as{color:var(--ink-2);max-width:900px}
.cite-as b{color:var(--ink);font-weight:600}
.bib-wrap{position:relative}
.bib-wrap .bib{padding-right:96px;margin:0}
.copy-bib{position:absolute;top:10px;right:10px}
.copy-bib svg{fill:none;stroke:currentColor}
.ack{color:var(--ink-2);max-width:900px}
.tldr{max-width:760px;margin:18px auto 0;color:var(--ink-2);font-size:.98rem}
.tldr b{color:var(--accent);margin-right:6px;letter-spacing:.04em}
@media (max-width:640px){.bib-wrap .bib{padding-right:16px;padding-top:44px}}

/* ---------- MindForge AI logo ---------- */
.brand .logo{height:36px;width:auto;border-radius:0;background:none;flex:none}
.aff-logo{display:inline-block;height:1.2em;width:auto;vertical-align:-.22em;margin:0 5px 0 1px;background:none;border-radius:0}
.foot-brand{display:inline-flex;align-items:center;gap:10px}
.foot-brand img{height:28px;width:auto;background:none;border-radius:0}
:root[data-theme="dark"] .brand .logo,:root[data-theme="dark"] .foot-brand img{background:#eef0ff;padding:3px 5px;border-radius:8px;box-sizing:content-box}
:root[data-theme="dark"] .aff-logo{background:#eef0ff;padding:1px 2px;border-radius:3px}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .brand .logo,:root:not([data-theme="light"]) .foot-brand img{background:#eef0ff;padding:3px 5px;border-radius:8px;box-sizing:content-box}:root:not([data-theme="light"]) .aff-logo{background:#eef0ff;padding:1px 2px;border-radius:3px}}

/* ---------- link marks ---------- */
.btn svg.gh{fill:currentColor;stroke:none;width:18px;height:18px}
.btn-dark{background:#1b1f24;border-color:#1b1f24;color:#fff}
.btn-dark:hover{background:#2c323a;border-color:#2c323a}
:root[data-theme="dark"] .btn-dark{background:#f0f2f5;border-color:#f0f2f5;color:#1b1f24}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn-dark{background:#f0f2f5;border-color:#f0f2f5;color:#1b1f24}}
.arxiv-mark{font-family:var(--serif);font-weight:700;font-size:.92em;letter-spacing:-.01em;color:var(--ink);background:var(--surface-2);border:1px solid var(--border);border-radius:5px;padding:1px 5px;line-height:1.2}
.arxiv-mark b{color:#b31b1b;font-weight:800}
:root[data-theme="dark"] .arxiv-mark b{color:#ff6b6b}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .arxiv-mark b{color:#ff6b6b}}
.foot-links{display:inline-flex;flex-wrap:wrap;gap:6px 16px;align-items:center}
.foot-links a{display:inline-flex;align-items:center;gap:6px}
.foot-links svg.gh{width:16px;height:16px;fill:currentColor}
.foot-links .arxiv-mark{font-size:.8em}

/* ---------- v3: section dividers, larger nav ---------- */
.topbar{padding:12px 28px;gap:24px}
.brand{font-size:1.08rem}
.brand .logo{height:40px}
.tabs{gap:6px}
.tabs a{font-size:1rem;padding:9px 16px;font-weight:500}
.top-links{display:flex;gap:6px;align-items:center}
.top-links a{display:inline-flex;align-items:center;gap:7px;padding:8px 12px;border-radius:8px;color:var(--ink-2);text-decoration:none;font-size:.95rem;border:1px solid var(--border)}
.top-links a:hover{color:var(--ink);border-color:var(--border-2)}
.top-links svg.gh{width:18px;height:18px;fill:currentColor}
.top-links .arxiv-mark{font-size:.8rem}
@media (max-width:1100px){.top-links .tl-text{display:none}}
@media (max-width:760px){.top-links{display:none}.tabs a{font-size:.95rem;padding:8px 12px}}
.section{margin-top:56px;margin-bottom:10px}
.sec-head{display:flex;align-items:baseline;gap:14px;border-top:1px solid var(--border-2);padding-top:18px;margin:48px auto 18px}
.wrap.sec-head{max-width:calc(var(--maxw) - 48px)}
@media (max-width:640px){.wrap.sec-head{max-width:none;margin-left:16px;margin-right:16px;padding-left:0;padding-right:0}}
.section > .sec-head{margin-top:0}
.sec-num{font:700 .82rem/1 var(--mono);color:var(--accent);letter-spacing:.06em}
.sec-head h2{margin:0;font-size:1.55rem}
.task-points{list-style:none;padding:0;margin:0 0 6px;display:grid;gap:6px;font-size:1.08rem;color:var(--ink-2)}
.task-points b{color:var(--ink)}
.facts-lg{grid-template-columns:repeat(2,1fr);gap:14px;margin:0;align-content:start}
.facts-lg dd{font-size:1.5rem;font-weight:650;letter-spacing:-.01em}
.finding-list p{font-size:.95rem}
#view-overview .prose > h2{font-size:1.55rem}
.cases{grid-template-columns:1fr 1fr}
.cases .case:first-child{grid-column:1/-1}
@media (max-width:860px){.cases{grid-template-columns:1fr}}

.btn-red{background:#b31b1b;border-color:#b31b1b;color:#fff}
.btn-red:hover{background:#9c1414;border-color:#9c1414}
.btn-red .arxiv-mark{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.35);color:#fff}
.btn-red .arxiv-mark b{color:#fff !important}
.btn-green{background:#1a7f37;border-color:#1a7f37;color:#fff}
.btn-green:hover{background:#156d2e;border-color:#156d2e}
.btn-green svg{stroke:#fff}