@font-face{font-family:"Geist Sans";font-style:normal;font-display:swap;font-weight:100 900;
  src:url("https://cdn.jsdelivr.net/fontsource/fonts/geist:vf@5.3.0/latin-wght-normal.woff2") format("woff2-variations")}
:root{
  --bg:#f3f5f7;--panel:#fff;--line:#dce1e7;--ink:#101418;--muted:#59636f;--faint:#737e8c;
  --accent:#1687b8;--green:#167c36;--red:#c93128;--amber:#b77900;--soft-green:#e9f5ed;
  --soft-red:#fff0ee;--soft-amber:#fff7df;--mono:"IBM Plex Mono","SFMono-Regular",Consolas,monospace;
}
*{box-sizing:border-box}
html{background:var(--bg);color:var(--ink);font-family:"Geist Sans",ui-sans-serif,system-ui,sans-serif}
body{min-width:320px;margin:0}
button,input{font:inherit}
a{color:inherit}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);
  white-space:nowrap;border:0}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none}
.brand img{display:block;flex:none}
.brand div{display:grid;gap:2px}
.brand strong{text-transform:uppercase;letter-spacing:.075em;font-size:18px}
.brand span{color:var(--muted);font-size:12px;letter-spacing:.025em}
.button,.icon-button{min-height:44px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);
  cursor:pointer;font-weight:650}
.button{padding:10px 15px}
.button.primary{border-color:var(--accent);background:var(--accent);color:#fff}
.button.quiet:hover{border-color:var(--accent);color:var(--accent)}
.button:focus-visible,.icon-button:focus-visible,a:focus-visible,input:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px}
.site-header{height:74px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:0 max(24px,calc((100vw - 1240px)/2));background:var(--panel);border-bottom:1px solid var(--line)}
.weekly-link{min-height:44px;display:inline-flex;align-items:center;color:var(--muted);font-size:13px;
  font-weight:650;text-decoration:none}
.weekly-link:hover{color:var(--accent)}
.archive-tabs{display:flex;gap:26px;padding:0 max(24px,calc((100vw - 1240px)/2));background:var(--panel);
  border-bottom:1px solid var(--line)}
.archive-tabs a{min-height:50px;display:flex;align-items:center;border-bottom:2px solid transparent;
  color:var(--muted);font-size:13px;font-weight:700;text-decoration:none}
.archive-tabs a[aria-current="page"]{border-color:var(--ink);color:var(--ink)}
.archive-shell{width:min(1240px,calc(100% - 48px));margin:0 auto;padding:38px 0 64px}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:25px}
.section-heading h1{margin:2px 0 0;font-size:clamp(25px,3vw,38px);font-weight:690;letter-spacing:-.035em}
.eyebrow{margin:0;color:var(--faint);font:650 11px/1.3 var(--mono);letter-spacing:.08em;text-transform:uppercase}
.archive-layout.has-detail{display:grid;grid-template-columns:minmax(340px,.82fr) minmax(0,1.18fr);
  gap:34px;align-items:start}
.round-list{border-top:1px solid var(--ink)}
.round-list[aria-busy="true"]{min-height:120px}
.round-row{display:grid;grid-template-columns:minmax(112px,.55fr) minmax(150px,.75fr) minmax(230px,1.2fr) auto;
  gap:20px;align-items:center;min-height:112px;padding:17px 8px;border-bottom:1px solid var(--line);
  text-decoration:none}
.round-row:hover{background:#fff}
.archive-layout.has-detail>.round-list .round-row{
  grid-template-columns:minmax(105px,.72fr) minmax(0,1fr);gap:12px 18px;align-items:start}
.archive-layout.has-detail>.round-list .outcome-summary,
.archive-layout.has-detail>.round-list .explore{grid-column:1/-1}
.round-date{display:grid;gap:4px}
.round-date strong{font-size:15px}
.round-date span,.round-meta,.winner{color:var(--muted);font:500 11px/1.5 var(--mono)}
.round-meta{display:grid;gap:3px}
.winner strong{color:var(--ink);font-weight:650}
.explore{color:var(--accent);font-size:12px;font-weight:700;white-space:nowrap}
.outcome-summary{display:grid;gap:6px;min-width:0}
.outcome-caption{color:var(--muted);font:600 9px/1.2 var(--mono);letter-spacing:.02em}
.outcome-rail{display:grid;gap:4px;min-width:0}
.outcome-hidden{color:var(--muted);font:600 9px/1.2 var(--mono)}
.rail-lane{display:grid;grid-template-columns:118px minmax(40px,1fr) 22px;align-items:center;gap:7px;
  color:var(--faint);font:600 9px/1.2 var(--mono)}
.rail-lane>span:last-child{text-align:right;font-variant-numeric:tabular-nums}
.rail-track{height:4px;overflow:hidden;background:#e8ebef}
.rail-fill{display:block;height:100%;min-width:0;background:var(--rail-color)}
.rail-lane[data-outcome="pose-solved"]{--rail-color:var(--green)}
.rail-lane[data-outcome="pose-unsolved"]{--rail-color:var(--red)}
.rail-lane[data-outcome="none-solved"]{--rail-color:var(--amber)}
.rail-lane[data-outcome="none-unsolved"]{--rail-color:#8d98a5}
.load-more{display:block;margin:22px auto 0}
.round-detail{position:sticky;top:18px;min-width:0;max-height:calc(100vh - 36px);overflow:auto;padding:0 4px 30px 28px;
  border-left:1px solid var(--line)}
.detail-head{display:grid;gap:12px;padding-bottom:20px;border-bottom:1px solid var(--ink)}
.detail-head h2{margin:0;font-size:26px;line-height:1.08;letter-spacing:-.025em}
.detail-actions{display:flex;flex-wrap:wrap;gap:8px}
.detail-actions a{min-height:44px;display:inline-flex;align-items:center;padding:9px 13px;border:1px solid var(--line);
  border-radius:8px;color:var(--ink);font-size:12px;font-weight:700;text-decoration:none}
.detail-actions a:first-child{border-color:var(--accent);color:var(--accent)}
.overview{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-bottom:1px solid var(--line)}
.overview div{padding:16px 10px 16px 0}
.overview div+div{padding-left:14px;border-left:1px solid var(--line)}
.overview span{display:block;color:var(--faint);font:600 9px/1.2 var(--mono);text-transform:uppercase}
.overview strong{display:block;margin-top:6px;font-size:16px;font-variant-numeric:tabular-nums}
.detail-section{padding-top:23px}
.detail-section h3{margin:0 0 13px;font-size:12px;letter-spacing:.07em;text-transform:uppercase}
.filter-row{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.filter-row button,.segmented button{min-height:44px;padding:8px 12px;border:1px solid var(--line);background:#fff;
  color:var(--muted);cursor:pointer;font-size:11px;font-weight:700}
.filter-row button{border-radius:7px}
.filter-row button[aria-pressed="true"],.segmented button[aria-pressed="true"]{
  border-color:var(--ink);background:var(--ink);color:#fff}
.question-list{border-top:1px solid var(--line)}
.question-row{padding:16px 0;border-bottom:1px solid var(--line)}
.question-title{display:flex;align-items:baseline;justify-content:space-between;gap:14px}
.question-title strong{font-size:14px}
.outcome-tag{color:var(--outcome-color);font:700 10px/1.2 var(--mono);text-transform:uppercase}
.question-row[data-outcome="pose-solved"]{--outcome-color:var(--green)}
.question-row[data-outcome="pose-unsolved"]{--outcome-color:var(--red)}
.question-row[data-outcome="none-solved"]{--outcome-color:var(--amber)}
.question-row[data-outcome="none-unsolved"]{--outcome-color:#66717f}
.question-row[data-outcome="suppressed"]{--outcome-color:var(--muted)}
.answer-block{display:grid;gap:5px;margin-top:11px;color:var(--muted);font:500 11px/1.45 var(--mono)}
.answer-line{display:flex;justify-content:space-between;gap:14px}
.answer-line b{color:var(--ink);font-weight:650}
.answer-section-label{margin-top:5px;padding-top:7px;border-top:1px solid var(--line);
  color:var(--faint);font-size:9px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.admin-panel{margin-top:24px;padding:18px;border:1px solid #dfc56e;background:var(--soft-amber)}
.admin-panel h3{margin:0 0 12px;color:#6f5712;font-size:11px;letter-spacing:.07em;text-transform:uppercase}
.admin-list{display:grid;gap:7px}
.admin-line{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;font:550 11px/1.4 var(--mono)}
.admin-question{padding-top:12px;margin-top:12px;border-top:1px solid #e4cf8d}
.ranking-controls{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;margin-bottom:22px}
.segmented{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.segmented button{border:0;border-radius:0;border-right:1px solid var(--line)}
.segmented button:last-child{border-right:0}
.segmented button:disabled{cursor:not-allowed;opacity:.48}
.status{min-height:20px;color:var(--muted);font-size:12px}
.ranking-table{border-top:1px solid var(--ink)}
.ranking-row{display:grid;grid-template-columns:50px minmax(180px,1fr) repeat(3,minmax(95px,.45fr));
  align-items:center;gap:18px;min-height:66px;padding:10px 8px;border-bottom:1px solid var(--line)}
.ranking-row.header{min-height:40px;color:var(--faint);font:600 9px/1.2 var(--mono);text-transform:uppercase}
.ranking-row .rank{font:650 12px/1 var(--mono)}
.ranking-row .participant{font-weight:680}
.ranking-row .kind,.ranking-row .metric{font:500 11px/1.35 var(--mono)}
.ranking-row .kind{color:var(--muted)}
.provisional{display:inline-block;margin-left:7px;color:var(--amber);font:700 9px/1 var(--mono);text-transform:uppercase}
.empty,.error{padding:28px 8px;border-bottom:1px solid var(--line);color:var(--muted);font-size:13px}
.error{color:var(--red)}
.round-chooser{width:min(620px,calc(100vw - 24px));max-height:min(720px,calc(100dvh - 24px));padding:0;
  border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink)}
.round-chooser::backdrop{background:#10141880}
.chooser-head{position:sticky;top:0;z-index:1;display:flex;align-items:center;justify-content:space-between;
  min-height:64px;padding:10px 16px;background:#fff;border-bottom:1px solid var(--line)}
.chooser-head h2{margin:0;font-size:17px}
.icon-button{width:44px;padding:0;font-size:25px}
.chooser-list a{display:flex;align-items:center;justify-content:space-between;min-height:58px;padding:8px 17px;
  border-bottom:1px solid var(--line);text-decoration:none}
.chooser-list a span{color:var(--muted);font:500 11px/1.4 var(--mono)}
@media(max-width:900px){
  .archive-layout.has-detail{display:block}
  .archive-layout.has-detail>.round-list{display:none}
  .round-detail{position:static;max-height:none;padding-left:0;border-left:0}
  #choose-round{display:block}
  .round-row{grid-template-columns:minmax(100px,.6fr) minmax(145px,.8fr) minmax(190px,1fr)}
  .round-row .explore{grid-column:2/4}
}
@media(max-width:620px){
  .site-header{height:68px;padding:0 16px}
  .site-header .brand strong{font-size:15px}
  .site-header .brand span{font-size:10px}
  .weekly-link{font-size:12px}
  .archive-tabs{padding:0 16px}
  .archive-shell{width:calc(100% - 32px);padding:28px 0 48px}
  .round-row{grid-template-columns:1fr auto;gap:10px 14px;min-height:0;padding:18px 4px}
  .round-date{grid-column:1}
  .round-meta{grid-column:2;grid-row:1;text-align:right}
  .outcome-summary{grid-column:1/3;margin-top:5px}
  .round-row .explore{grid-column:1/3}
  .rail-lane{grid-template-columns:118px minmax(40px,1fr) 22px}
  .overview{grid-template-columns:1fr}
  .overview div+div{padding-left:0;border-left:0;border-top:1px solid var(--line)}
  .ranking-controls{display:grid}
  .segmented{width:100%}
  .segmented button{flex:1;padding-inline:7px}
  .ranking-table{overflow-x:auto}
  .ranking-row{min-width:640px}
  .round-chooser{width:100%;max-width:none;max-height:82dvh;margin:auto 0 0;border-radius:14px 14px 0 0;
    border-bottom:0}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}