:root{
  --bg:#ffffff; --bg-alt:#f6f7f9; --fg:#1b1f24; --muted:#5b6470; --line:#e3e6ea;
  --accent:#2f6fb0; --accent-soft:#e8f0f9; --good:#1f7a3f; --bad:#b4312a;
  --btn:#1b1f24; --btn-fg:#ffffff; --card:#ffffff; --fig-bg:#ffffff;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#121417; --bg-alt:#191c20; --fg:#e7eaee; --muted:#9aa3ad; --line:#2a2f35;
    --accent:#79aee6; --accent-soft:#1d2a38; --good:#5ec482; --bad:#f07c74;
    --btn:#e7eaee; --btn-fg:#121417; --card:#191c20; --fig-bg:#ffffff;
  }
}
:root[data-theme="dark"]{
  --bg:#121417; --bg-alt:#191c20; --fg:#e7eaee; --muted:#9aa3ad; --line:#2a2f35;
  --accent:#79aee6; --accent-soft:#1d2a38; --good:#5ec482; --bad:#f07c74;
  --btn:#e7eaee; --btn-fg:#121417; --card:#191c20; --fig-bg:#ffffff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 Inter,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none} a:hover{text-decoration:underline}
.wrap{max-width:960px;margin:0 auto;padding:0 16px}
section{padding:48px 0;border-top:1px solid var(--line)}
section.alt{background:var(--bg-alt)}
h1{font-family:"Source Serif 4",Georgia,serif;font-weight:600;font-size:clamp(28px,4.6vw,44px);line-height:1.18;margin:0 0 20px;letter-spacing:-.01em}
h2{font-family:"Source Serif 4",Georgia,serif;font-weight:600;font-size:28px;margin:0 0 18px;text-align:center;padding-bottom:8px}
h2::after,h3::after{content:"";display:block;width:52px;height:3px;background:var(--bad);margin:8px auto 0}
h3{font-size:17px;font-weight:600;margin:28px 0 10px;text-align:center;padding-bottom:6px}
p{margin:0 0 14px}
.muted{color:var(--muted)}
.center{text-align:center}

/* Header */
header{padding:64px 0 40px;text-align:center}
.venue{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);background:var(--accent-soft);padding:4px 12px;border-radius:999px;margin:8px 0 18px}
.authors{font-size:18px;margin:0 0 6px;display:flex;flex-wrap:wrap;justify-content:center;gap:4px 22px}
.authors a,.authors span{color:var(--fg)}
.affil{color:var(--muted);margin:0 0 4px}
.email{font-family:"JetBrains Mono",monospace;font-size:13px;color:var(--muted)}
.publication-links{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:26px}
.link-block{display:inline-flex}
.publication-links .button{display:inline-flex;align-items:center;gap:8px;background:var(--btn);color:var(--btn-fg);padding:9px 18px;border-radius:999px;font-weight:500;font-size:15px}
.publication-links .button:hover{text-decoration:none;opacity:.85}
.publication-links .button.disabled{opacity:.4;pointer-events:none}
.publication-links .icon{display:inline-flex;align-items:center}
.publication-links .icon img{width:17px;height:17px;display:block;filter:invert(1)}
.publication-links svg{width:17px;height:17px;fill:currentColor}
.publication-links svg path[fill="none"],
.publication-links svg ellipse{fill:none}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) .publication-links .icon img{filter:none}
}
:root[data-theme="dark"] .publication-links .icon img{filter:none}

/* Figures */
figure{max-width:750px;margin:0 auto 24px}
.fig{background:var(--fig-bg);border:1px solid var(--line);border-radius:10px;padding:14px}
.fig img{display:block;width:100%;height:auto;margin:0 auto}
figcaption{font-size:14px;color:var(--muted);margin-top:10px;line-height:1.55}
.tldr{font-size:16px;line-height:1.55;border-left:4px solid var(--accent);padding:6px 0 6px 18px;margin:28px 0 0}
.two{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media (max-width:720px){.two{grid-template-columns:1fr}}

/* Highlights */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:28px 0 8px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 12px;text-align:center}
.stat b{display:block;font-size:26px;font-weight:700;color:var(--accent);line-height:1.2}
.stat span{font-size:13px;color:var(--muted)}
@media (max-width:720px){.stats{grid-template-columns:repeat(2,1fr)}}

ul.contrib{padding-left:20px;margin:0} ul.contrib li{margin-bottom:8px}

/* Image grids */
.grid-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.imgs{border-collapse:separate;border-spacing:4px;margin:0 auto}
table.imgs th{font-size:13px;font-weight:600;color:var(--muted);padding:2px 6px;white-space:nowrap}
table.imgs th.row{text-align:right;color:var(--fg)}
table.imgs th.row.ours{color:var(--accent)}
table.imgs td{padding:0}
table.imgs img{display:block;width:76px;height:76px;image-rendering:pixelated;border-radius:4px;background:#ddd}
table.imgs.sm img{width:58px;height:58px}
table.imgs td.gap{width:10px}
#hrGrid img{width:92px;height:92px;image-rendering:auto}
@media (max-width:600px){table.imgs img{width:54px;height:54px} table.imgs.sm img{width:44px;height:44px}}

/* Tabs */
.tabs{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 18px}
.tab{border:1px solid var(--line);background:var(--card);color:var(--fg);padding:7px 14px;border-radius:999px;font:inherit;font-size:14px;cursor:pointer}
.tab[aria-selected="true"]{background:var(--btn);color:var(--btn-fg);border-color:var(--btn)}
.panel{display:none} .panel.active{display:block}
.panel-card{max-width:750px;margin-left:auto;margin-right:auto;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px 10px}

/* Tables */
.tbl-scroll{max-width:750px;margin-left:auto;margin-right:auto;overflow-x:visible}
table.res{border-collapse:collapse;width:100%;font-size:11px;font-variant-numeric:tabular-nums;background:var(--card)}
table.res th,table.res td{padding:6px 4px;text-align:center;border-bottom:1px solid var(--line);white-space:nowrap}
table.res thead th{font-weight:600;border-bottom:2px solid var(--fg)}
table.res td:first-child,table.res th:first-child{text-align:left}
table.res .sd{color:var(--muted);font-size:10px}
.up{color:var(--good);font-weight:600} .down{color:var(--bad);font-weight:600}
.best{font-weight:700}
.tbl-cap{font-size:14px;color:var(--muted);margin:10px 0 28px}

/* Equation */
.eq{overflow-x:auto;padding:6px 0;margin:6px 0 16px;font-size:15px}

/* BibTeX */
.bib{position:relative}
pre{background:var(--bg-alt);border:1px solid var(--line);border-radius:10px;padding:18px;overflow-x:auto;font:13px/1.6 "JetBrains Mono",monospace;margin:0}
.copy{position:absolute;top:10px;right:10px;font:inherit;font-size:13px;border:1px solid var(--line);background:var(--card);color:var(--fg);border-radius:6px;padding:4px 10px;cursor:pointer}

footer{padding:32px 0 48px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);text-align:center}
.theme-toggle{position:fixed;top:14px;right:14px;z-index:5;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:var(--card);color:var(--fg);cursor:pointer;font-size:16px}