/* public bench site — one stylesheet, light and dark from the same tokens */
:root{color-scheme:light;--page:#f9f9f7;--surface:#fcfcfb;--surface-2:#f3f2ee;--ink:#0b0b0b;--ink-2:#52514e;--muted:#898781;
--grid:#e1e0d9;--axis:#c3c2b7;--ring:rgba(11,11,11,.10);--accent:#2a78d6;--c1:#2a78d6;--c2:#eb6834;--c3:#1baf7a;
--pos:42,120,214;--neg:227,73,72;--warning:#fab219;--radius:12px;--font:system-ui,-apple-system,"Segoe UI",sans-serif}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--page:#0d0d0d;--surface:#1a1a19;--surface-2:#222220;
--ink:#fff;--ink-2:#c3c2b7;--muted:#898781;--grid:#2c2c2a;--axis:#383835;--ring:rgba(255,255,255,.10);--accent:#3987e5;
--c1:#3987e5;--c2:#d95926;--c3:#199e70;--pos:57,135,229;--neg:230,103,103}}
:root[data-theme=dark]{color-scheme:dark;--page:#0d0d0d;--surface:#1a1a19;--surface-2:#222220;--ink:#fff;--ink-2:#c3c2b7;--muted:#898781;
--grid:#2c2c2a;--axis:#383835;--ring:rgba(255,255,255,.10);--accent:#3987e5;--c1:#3987e5;--c2:#d95926;--c3:#199e70;--pos:57,135,229;--neg:230,103,103}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--page);color:var(--ink);font:16px/1.55 var(--font)}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
header.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--grid)}
header.top .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:4px 20px;min-height:52px;padding-top:6px;padding-bottom:6px}
.brand{font-weight:700;letter-spacing:-.02em;color:var(--ink);white-space:nowrap}.brand:hover{text-decoration:none}
.brand span{color:var(--muted);font-weight:500}

nav{display:flex;flex-wrap:wrap;gap:2px;overflow-x:auto}
nav a{padding:6px 11px;border-radius:8px;color:var(--ink-2);white-space:nowrap}nav a:hover{background:var(--surface-2);text-decoration:none}
nav a[aria-current=page]{background:var(--surface-2);color:var(--ink);font-weight:600}
main{padding:28px 0 56px}
h1{font-size:2rem;line-height:1.15;letter-spacing:-.01em;margin:0 0 8px}h2{font-size:1.3rem;margin:40px 0 8px;letter-spacing:-.01em}
h3{font-size:1.05rem;margin:0 0 6px}
.lede{font-size:1.12rem;color:var(--ink-2);max-width:70ch;margin:0 0 22px}.sub{color:var(--ink-2);max-width:78ch;margin:0 0 14px}
p{max-width:78ch}.muted{color:var(--muted)}.small{font-size:.86rem}.n{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.banner{background:var(--surface-2);border-left:3px solid var(--warning);border-radius:var(--radius);
padding:10px 14px;margin:0 0 20px;font-size:.94rem;color:var(--ink-2)}.banner b{color:var(--ink)}
.card{background:var(--surface);border-radius:var(--radius);box-shadow:0 0 0 1px var(--ring);padding:16px 18px}
.card.chart{padding:14px}
/* card rows: a fixed count per width, so a row of three always fills the page */
.grid{display:grid;gap:14px;grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:900px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.grid{grid-template-columns:1fr}}
.next{margin-top:28px}.next .card{color:var(--ink-2);display:block}.next .card h3{color:var(--accent)}.next .card:hover{text-decoration:none;box-shadow:0 0 0 1px var(--accent)}
.hero{display:grid;grid-template-columns:minmax(0,3fr) minmax(280px,2fr);gap:28px;align-items:start;margin:4px 0 22px}
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.tile{background:var(--surface);box-shadow:0 0 0 1px var(--ring);border-radius:var(--radius);padding:16px 18px 14px;position:relative;overflow:hidden}
.tile::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);opacity:.9}
.tile .v{display:block;font-size:2.1rem;font-weight:650;letter-spacing:-.02em;line-height:1.1}.tile .l{font-size:.86rem;color:var(--ink-2)}
.intro{max-width:66ch}.intro p{margin:0 0 12px;color:var(--ink);font-size:1.05rem;line-height:1.62}.intro p:last-child{margin-bottom:0}
.about{margin:0 0 8px}.about .card{position:relative;padding-top:18px}.about .card h3{margin:6px 0 6px}
.about .card p{margin:0;color:var(--ink-2);font-size:.95rem;line-height:1.55}
.about .k{font-size:.74rem;font-weight:700;letter-spacing:.08em;color:var(--accent)}
@media(max-width:820px){.hero{grid-template-columns:1fr}}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0}
.tag{display:inline-flex;align-items:center;font-size:.74rem;line-height:1;padding:4px 7px;border-radius:6px;background:var(--surface-2);color:var(--ink-2);white-space:nowrap;margin-left:0}
td .tag{margin-left:8px}
.takeaways{padding-left:1.2em}.takeaways li{margin:6px 0;max-width:78ch}
/* tables */
.scroll{overflow-x:auto;border-radius:var(--radius);box-shadow:0 0 0 1px var(--ring);background:var(--surface)}
table{border-collapse:separate;border-spacing:0;width:100%;font-size:.92rem}
th,td{padding:8px 10px;border-bottom:1px solid var(--grid);text-align:left;vertical-align:middle}
th{font-weight:600;color:var(--ink-2);font-size:.8rem;white-space:nowrap;background:var(--surface);position:sticky;top:0;z-index:2}
th.sort{cursor:pointer;user-select:none}th.sort:hover{color:var(--ink)}th.sort[aria-sort]::after{content:" ▾";color:var(--accent)}th.sort[aria-sort=ascending]::after{content:" ▴"}
tbody tr:hover td{background:var(--surface-2)}tbody tr:last-child td{border-bottom:0}
tr.ref td{color:var(--ink-2);font-style:italic}tr.ref a{font-style:italic}
tr.guess td{background:var(--surface-2);font-style:normal;color:var(--ink-2)}
tr.divider td{background:var(--surface-2);color:var(--ink-2);font-size:.82rem;padding:8px 12px;font-style:normal}
tbody tr.divider:hover td{background:var(--surface-2)}
.rank td:nth-child(2){min-width:140px}.rank td:nth-child(3){min-width:105px}
td.wins{min-width:140px}td.wins .tag{margin:2px 4px 2px 0}
td.gain{min-width:140px}
.rank th,.rank td{padding:8px 8px}.rank th{white-space:normal;line-height:1.2;vertical-align:bottom}.rank th.one{white-space:nowrap}.rank td:first-child,.rank th:first-child{padding-left:12px}
.gbar{display:inline-block;width:80px;height:10px;border-radius:3px;background:var(--surface-2);vertical-align:middle;margin-right:8px;overflow:hidden}
.gbar.wide{width:120px}.gbar i{display:block;height:100%;background:var(--c1);border-radius:0 3px 3px 0}
.matrix th.first,.matrix td.first{position:sticky;left:0;z-index:3;background:var(--surface);min-width:190px;border-right:1px solid var(--grid)}
.matrix th.first{z-index:4}.matrix tbody tr:hover td.first{background:var(--surface-2)}
.matrix th.cell{text-align:center;max-width:110px;white-space:normal;line-height:1.25;vertical-align:bottom}
.matrix td.cell{text-align:center;font-variant-numeric:tabular-nums;min-width:74px}.matrix td.empty{color:var(--muted)}
sup{font-size:.7em;color:var(--ink-2)}
/* bar chart (one data set) */
.bars{display:grid;gap:4px;margin:8px 0 6px}
.brow{display:grid;grid-template-columns:minmax(150px,270px) 1fr 56px;gap:12px;align-items:center;padding:2px 6px;border-radius:6px}
.brow:hover,.brow:focus{background:var(--surface-2);outline:none}
.blabel{color:var(--ink);font-size:.92rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:right}
.btrack{position:relative;height:16px;background:var(--surface-2);border-radius:3px}
.bfill{position:absolute;left:0;top:0;bottom:0;background:var(--c1);border-radius:0 4px 4px 0}
.bfill.ref{background:var(--axis)}
.bfill.seen{background:repeating-linear-gradient(135deg,var(--c1) 0 4px,color-mix(in srgb,var(--c1) 45%,var(--surface)) 4px 8px)}
.bci{position:absolute;top:7px;height:2px;background:var(--ink-2);box-shadow:0 0 0 2px var(--surface);border-radius:1px}
.bbase{position:absolute;top:-3px;bottom:-3px;width:2px;background:var(--ink);opacity:.55;border-radius:1px}
.bval{font-variant-numeric:tabular-nums;text-align:right;font-size:.92rem}
@media(max-width:560px){.brow{grid-template-columns:1fr 50px;gap:4px 10px}.blabel{grid-column:1/-1;text-align:left;font-size:.86rem}.btrack{grid-column:1;grid-row:2}.bval{grid-column:2;grid-row:2}}
.legend{display:flex;flex-wrap:wrap;gap:6px 18px;align-items:center;font-size:.82rem;color:var(--ink-2);margin:10px 0 0}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{display:inline-block;width:18px;height:10px;border-radius:3px;background:var(--c1)}
.legend i.ref{background:var(--axis)}.legend i.seen{background:repeating-linear-gradient(135deg,var(--c1) 0 4px,color-mix(in srgb,var(--c1) 45%,var(--surface)) 4px 8px)}
.legend i.base{width:2px;height:14px;background:var(--ink);opacity:.55}.legend i.ci{height:2px;background:var(--ink-2)}
.legend i.c1{background:var(--c1);border-radius:50%;width:10px}.legend i.c2{background:var(--c2);border-radius:50%;width:10px}.legend i.c3{background:var(--c3);border-radius:50%;width:10px}
/* tabs */
.tabs{display:flex;flex-wrap:wrap;gap:4px;margin:0 0 18px;padding:3px;background:var(--surface-2);border-radius:10px}
.tabs button{border:0;background:none;font:inherit;font-size:.9rem;color:var(--ink-2);padding:6px 11px;border-radius:8px;cursor:pointer}
.tabs button:hover{color:var(--ink)}.tabs button[aria-selected=true]{background:var(--surface);color:var(--ink);font-weight:600;box-shadow:0 0 0 1px var(--ring)}
section[role=tabpanel]{margin:0 0 28px}section[role=tabpanel] h2{margin-top:8px}
.summary{font-size:1.02rem;margin:0 0 8px}
/* compare */
.pickrow{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:0 0 18px}
select{font:inherit;padding:7px 10px;border:1px solid var(--grid);border-radius:8px;background:var(--surface);color:var(--ink);max-width:100%}
.verdict{font-size:1.1rem;margin:0 0 14px}
.dbar{display:grid;grid-template-columns:1fr 1fr;gap:2px;height:12px;min-width:140px}
.dbar i{display:block;height:100%;background:var(--c1);border-radius:4px 0 0 4px;justify-self:end}
.dbar i+i{background:var(--c2);border-radius:0 4px 4px 0;justify-self:start}
td.win{font-weight:600}
/* scatter */
svg.scatter{width:100%;height:auto;display:block}
svg text{fill:var(--muted);font:12px var(--font)}svg text.lab{fill:var(--ink-2);font-size:11.5px;paint-order:stroke;stroke:var(--surface);stroke-width:3px;stroke-linejoin:round}
svg .gridline{stroke:var(--grid);stroke-width:1}svg .axis{stroke:var(--axis);stroke-width:1}
svg .dot{stroke:var(--surface);stroke-width:2;cursor:default}svg .dot.c1{fill:var(--c1)}svg .dot.c2{fill:var(--c2)}svg .dot.c3{fill:var(--c3)}
svg .dot:hover{r:7}
/* models */
.model h3{margin-bottom:2px}.model p{margin:8px 0}
.strip{display:flex;gap:3px;margin:8px 0 4px}
.strip i{width:20px;height:20px;border-radius:4px;background:var(--surface-2);display:inline-flex;align-items:center;justify-content:center;font-size:.7rem;font-style:normal;color:var(--ink-2)}
.strip i.empty{background:repeating-linear-gradient(135deg,var(--surface-2) 0 3px,var(--surface) 3px 6px)}
.stats{margin:4px 0 0}
dl.terms dt{font-weight:600;margin-top:14px}dl.terms dd{margin:2px 0 0;color:var(--ink-2);max-width:74ch}
footer{border-top:1px solid var(--grid);padding:18px 0 40px;color:var(--muted);font-size:.86rem}footer p{margin:0 0 6px;max-width:none}
footer .when{color:var(--ink-2)}
.dateline{font-size:.86rem;color:var(--muted);margin:-12px 0 20px}
.tip{position:fixed;z-index:50;pointer-events:none;max-width:320px;background:var(--surface);color:var(--ink);border-radius:9px;padding:9px 12px;
box-shadow:0 0 0 1px var(--ring),0 8px 28px rgba(0,0,0,.18);font-size:.84rem;line-height:1.4}
[hidden]{display:none!important}