:root{
  --bg:#ffffff;
  --bg-alt:#f6f8fb;
  --ink:#10202e;
  --ink-soft:#43586a;
  --line:#e2e8f0;
  --brand:#1f6feb;
  --brand-dark:#1450b0;
  --win-bg:#e2f2e4;
  --win-ink:#13662a;
  --max:1080px;
  --radius:14px;
  --shadow:0 1px 2px rgba(16,32,46,.06),0 8px 24px rgba(16,32,46,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  line-height:1.65;-webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
code{font-family:"JetBrains Mono",ui-monospace,Menlo,monospace;font-size:.86em;background:#eef2f7;padding:.1em .38em;border-radius:5px}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}
.narrow{max-width:820px}

/* accepted banner */
.accepted-bar{
  background:linear-gradient(90deg,#1450b0,#1f6feb);
  color:#fff;text-align:center;font-size:.92rem;font-weight:600;
  padding:9px 16px;letter-spacing:.01em;
}
.accepted-bar strong{font-weight:800}
.accepted-bar .trophy{margin-right:4px}
.acl-badge{
  display:inline-block;background:var(--brand);color:#fff;font-weight:700;
  padding:3px 11px;border-radius:999px;font-size:.74rem;letter-spacing:.03em;
  margin-right:10px;vertical-align:middle;text-transform:none;
}

/* nav */
.topnav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:var(--max);margin:0 auto;padding:11px 24px;display:flex;align-items:center;justify-content:space-between}
.brand{font-weight:800;font-size:1.05rem;color:var(--ink)}
.brand:hover{text-decoration:none}
.nav-links{display:flex;gap:22px;flex-wrap:wrap}
.nav-links a{color:var(--ink-soft);font-size:.9rem;font-weight:500}
.nav-links a:hover{color:var(--brand);text-decoration:none}

/* hero */
.hero{padding:62px 0 30px;text-align:center;background:
  radial-gradient(1100px 380px at 50% -120px,rgba(31,111,235,.10),transparent 70%),var(--bg)}
.venue{margin:0 0 14px;color:var(--brand);font-weight:600;letter-spacing:.04em;text-transform:uppercase;font-size:.78rem}
.title{margin:0 auto 24px;max-width:1000px;font-size:1.9rem;line-height:1.25;font-weight:800;letter-spacing:-.022em}
.authors{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 22px;font-size:1.04rem;margin-bottom:14px;line-height:1.3;max-width:720px;margin-left:auto;margin-right:auto}
.authors span{font-weight:400;white-space:nowrap}
.authors a{color:var(--ink)}
.authors sup{color:var(--brand);font-weight:600;font-size:.62em;vertical-align:super;margin-left:1px}
.authors .senior{font-weight:400}
.authors .break{flex-basis:100%;height:0;margin:0;padding:0}
.affil{color:var(--ink-soft);font-size:.88rem;max-width:760px;margin:0 auto 22px;line-height:1.85}
.affil sup{color:var(--brand)}
.affil-note{color:var(--ink-soft);font-size:.78rem;margin:-14px auto 24px;opacity:.85}
.affil-note sup{color:var(--brand)}
.buttons{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--ink);color:#fff;
  padding:11px 20px;border-radius:999px;font-weight:600;font-size:.93rem;box-shadow:var(--shadow);transition:transform .12s,background .12s}
.btn:hover{background:#000;transform:translateY(-1px);text-decoration:none}
.btn svg{flex:none}

/* teaser */
.teaser{padding:34px 0 8px}
figure{margin:0}
.teaser img{width:100%;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
figcaption{color:var(--ink-soft);font-size:.9rem;margin-top:12px;line-height:1.6}

/* stats */
.stats{padding:26px 0}
.stat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.stat{background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);padding:18px 14px;text-align:center}
.stat .num{font-size:1.5rem;font-weight:800;color:var(--brand-dark);letter-spacing:-.01em}
.stat .lbl{font-size:.82rem;color:var(--ink-soft);margin-top:4px}

/* blocks */
.block{padding:60px 0;border-top:1px solid var(--line)}
.block.alt{background:var(--bg-alt)}
.block h2{font-size:1.7rem;font-weight:800;margin:0 0 14px;letter-spacing:-.015em}
.lead{color:var(--ink-soft);font-size:1.02rem;max-width:780px;margin:0 0 28px}
#abstract p{font-size:1.05rem}

/* figures */
figure.wide img{width:100%;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
figure.wide{margin-bottom:34px}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.card-ico{width:32px;height:32px;border-radius:9px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:12px}
.card h3{margin:0 0 8px;font-size:1.04rem;font-weight:700}
.card p{margin:0;color:var(--ink-soft);font-size:.93rem}

/* table */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);background:#fff}
table.results{border-collapse:collapse;width:100%;font-size:.92rem}
table.results th,table.results td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line)}
table.results thead th{background:var(--ink);color:#fff;font-weight:600;position:sticky;top:0}
table.results td:nth-child(3),table.results td:nth-child(4){font-family:"JetBrains Mono",monospace;font-size:.84rem;white-space:nowrap}
table.results td .n{color:var(--ink-soft);font-weight:400;font-size:.82em}
table.results td.win{background:var(--win-bg);color:var(--win-ink);font-weight:600}
table.results tbody tr:hover td{background:#f3f7fc}
table.results tbody tr:hover td.win{background:#d4ecd8}
.note{color:var(--ink-soft);font-size:.85rem;margin-top:12px}
.winkey{display:inline-block;width:12px;height:12px;border-radius:3px;background:var(--win-bg);border:1px solid #bfe0c4;vertical-align:middle;margin:0 2px}

/* two col */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:36px}
.two-col img{width:100%;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}

/* tabs */
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.tab{border:1px solid var(--line);background:#fff;color:var(--ink-soft);padding:8px 16px;border-radius:999px;font-family:inherit;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .12s}
.tab:hover{border-color:var(--brand);color:var(--brand)}
.tab.active{background:var(--brand);border-color:var(--brand);color:#fff}
.tab-panels .panel{display:none}
.tab-panels .panel.active{display:block;animation:fade .25s ease}
.tab-panels img{width:100%;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.ll{font-variant:normal}

/* explorer */
.explorer{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.ex-controls{display:flex;flex-wrap:wrap;gap:18px 26px;align-items:flex-end;margin-bottom:18px}
.seg{display:inline-flex;background:var(--bg-alt);border:1px solid var(--line);border-radius:999px;padding:3px}
.seg-btn{border:none;background:none;color:var(--ink-soft);font-family:inherit;font-weight:600;font-size:.88rem;padding:7px 16px;border-radius:999px;cursor:pointer;transition:all .12s}
.seg-btn.active{background:var(--brand);color:#fff}
.ex-selectors{display:flex;flex-wrap:wrap;gap:16px}
.ex-selectors label{font-size:.78rem;font-weight:600;color:var(--ink-soft);line-height:1.5}
.ex-selectors select{display:block;margin-top:3px;min-width:190px;font-family:inherit;font-size:.92rem;color:var(--ink);
  padding:8px 12px;border:1px solid var(--line);border-radius:9px;background:#fff;cursor:pointer}
.ex-selectors select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,111,235,.15)}
.chart-box{position:relative;height:420px;width:100%}
.ex-note{color:var(--ink-soft);font-size:.82rem;margin:14px 0 0;line-height:1.55}

/* explorer legend */
.ex-legend{display:flex;gap:16px;flex-wrap:wrap;align-items:center;margin-left:auto;font-size:.82rem;color:var(--ink-soft)}
.ex-legend span{display:inline-flex;align-items:center;gap:6px}
.ex-legend .sw{width:13px;height:13px;border-radius:3px;border:1px solid rgba(0,0,0,.08)}
.sw.imp{background:#dcf0df}.sw.reg{background:#fbe2e2}.sw.tie{background:#eef2f7}.sw.na{background:#f7f8fa}

/* full results grid */
.pc-grid-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}
table.pc-grid{border-collapse:collapse;width:100%;font-size:.8rem}
table.pc-grid th,table.pc-grid td{padding:6px 9px;border-bottom:1px solid var(--line);text-align:center;white-space:nowrap}
table.pc-grid thead th{background:var(--ink);color:#fff;font-weight:600;position:sticky;top:0;z-index:3;font-size:.78rem}
table.pc-grid thead th.b,table.pc-grid thead th.m{text-align:left}
table.pc-grid td.b{text-align:left;font-weight:700;background:#fff;position:sticky;left:0;z-index:2;border-right:1px solid var(--line)}
table.pc-grid th.b{position:sticky;left:0;z-index:4}
table.pc-grid td.m{text-align:left;color:var(--ink-soft);font-weight:500}
table.pc-grid tr.fam td{background:var(--bg-alt);text-align:left;font-weight:700;color:var(--ink);font-size:.82rem;letter-spacing:.01em;padding:7px 12px}
table.pc-grid td.cell{font-family:"JetBrains Mono",monospace;font-size:.74rem;color:var(--ink)}
table.pc-grid td.cell b{font-weight:700}
td.cell.imp{background:#dcf0df}
td.cell.reg{background:#fbe2e2}
td.cell.tie{background:#fff}
td.cell.na{background:#f7f8fa;color:#b3bdc8}
table.pc-grid tbody tr:hover td.cell{filter:brightness(.96)}

/* bibtex */
pre.bib{background:#0d1b27;color:#e6edf3;border-radius:var(--radius);padding:20px 22px;overflow-x:auto;font-size:.86rem;line-height:1.6;box-shadow:var(--shadow)}
pre.bib code{background:none;color:inherit;padding:0;font-size:.86rem}
.copy-btn{margin-top:14px;border:1px solid var(--line);background:#fff;color:var(--ink);padding:9px 18px;border-radius:999px;font-family:inherit;font-weight:600;font-size:.9rem;cursor:pointer;transition:all .12s}
.copy-btn:hover{border-color:var(--brand);color:var(--brand)}
.copy-btn.done{background:var(--win-bg);color:var(--win-ink);border-color:#bfe0c4}

/* footer */
.footer{padding:36px 0;border-top:1px solid var(--line);text-align:center;color:var(--ink-soft);font-size:.9rem}
.footer .fine{font-size:.8rem;margin-top:6px;opacity:.8}

/* responsive */
@media(max-width:880px){
  .title{font-size:1.7rem}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .cards{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .nav-links{display:none}
}