:root{
  --ink:#3d3a36; --accent:#c96f4a; --field:#f3e9dd;
  --bg:#faf5ec; --card:#ffffff; --line:#e4d8c6; --muted:#6f665b;
  --adv-bg:#fbeee4; --adv-line:#c96f4a; --shadow:0 1px 3px rgba(61,58,54,.10),0 8px 24px rgba(61,58,54,.06);
}
@media (prefers-color-scheme: dark){
  :root{ --ink:#ece5d8; --accent:#e0895f; --field:#f3e9dd;
    --bg:#211f1b; --card:#2b2823; --line:#3d3a34; --muted:#a99f92;
    --adv-bg:#33261e; --adv-line:#e0895f; --shadow:0 1px 3px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.3);}
}
:root[data-theme="light"]{ --ink:#3d3a36; --accent:#c96f4a; --bg:#faf5ec; --card:#fff; --line:#e4d8c6; --muted:#6f665b; --adv-bg:#fbeee4; --adv-line:#c96f4a; --shadow:0 1px 3px rgba(61,58,54,.10),0 8px 24px rgba(61,58,54,.06);}
:root[data-theme="dark"]{ --ink:#ece5d8; --accent:#e0895f; --bg:#211f1b; --card:#2b2823; --line:#3d3a34; --muted:#a99f92; --adv-bg:#33261e; --adv-line:#e0895f; --shadow:0 1px 3px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.3);}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:"Atkinson Hyperlegible",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  line-height:1.6;font-size:17px;-webkit-text-size-adjust:100%}
a{color:var(--accent)}
a:focus-visible,button:focus-visible,input:focus-visible,.cite:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-9999px;top:0;background:var(--accent);color:#fff;padding:.6rem 1rem;z-index:100}
.skip:focus{left:0}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:var(--bg);border-bottom:1px solid var(--line);
  padding:.5rem clamp(1rem,4vw,2.5rem);backdrop-filter:saturate(1.2) blur(6px)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{display:inline-flex;align-items:baseline;text-decoration:none;font-weight:700;font-size:1.3rem}
.brand-mark{color:var(--accent)} .brand-sub{color:var(--muted);font-weight:400;font-size:.85rem}
.theme-toggle{background:none;border:1px solid var(--line);border-radius:999px;width:2.2rem;height:2.2rem;
  font-size:1.05rem;cursor:pointer;color:var(--ink)}
.searchwrap{position:relative;margin:.5rem 0 .35rem}
#search{width:100%;padding:.6rem .9rem;border:1.5px solid var(--line);border-radius:10px;
  background:var(--card);color:var(--ink);font:inherit;font-size:1rem}
.results{position:absolute;left:0;right:0;top:calc(100% + 4px);margin:0;padding:.3rem;list-style:none;
  background:var(--card);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);
  max-height:60vh;overflow:auto;z-index:60}
.results li{margin:0}
.results a{display:block;text-decoration:none;color:var(--ink);padding:.5rem .6rem;border-radius:7px}
.results a:hover,.results a:focus,.results a.sel{background:var(--adv-bg)}
.results .r-name{font-weight:700}
.results .r-cat{font-size:.8rem;color:var(--accent)}
.results .r-def{display:block;font-size:.85rem;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.results .empty{padding:.6rem;color:var(--muted)}
.catnav{display:flex;flex-wrap:wrap;gap:.35rem .6rem;font-size:.9rem}
.catnav a{color:var(--muted);text-decoration:none;padding:.15rem .1rem;border-bottom:2px solid transparent}
.catnav a:hover{color:var(--ink)}
.catnav a.active{color:var(--ink);border-bottom-color:var(--accent)}
/* layout */
main{max-width:1080px;margin:0 auto;padding:clamp(1.2rem,4vw,3rem) clamp(1rem,4vw,2rem)}
.hero h1{font-size:clamp(1.8rem,5vw,2.8rem);line-height:1.15;margin:.2rem 0 .6rem}
.hero-lead{font-size:1.12rem;max-width:62ch}
.hero-note{color:var(--muted)}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem;margin:2rem 0}
.cat-card{display:flex;flex-direction:column;gap:.3rem;text-decoration:none;color:var(--ink);
  background:var(--card);border:1px solid var(--line);border-left:5px solid var(--cc,var(--accent));
  border-radius:14px;padding:1.1rem 1.2rem;box-shadow:var(--shadow);transition:transform .12s ease}
.cat-card:hover{transform:translateY(-3px)}
.cat-card-count{font-size:2rem;font-weight:700;color:var(--cc,var(--accent));line-height:1}
.cat-card-name{font-weight:700;font-size:1.15rem}
.cat-card-blurb{color:var(--muted);font-size:.92rem}
.about{margin-top:1.5rem;max-width:70ch}
.about h2{font-size:1.3rem}
/* category page */
.cat-intro .crumb{margin:0 0 .5rem}
.cat-intro h1{margin:.2rem 0}
.cat-intro .lead{font-size:1.1rem;max-width:60ch;color:var(--ink)}
.cat-intro .count{color:var(--muted);font-size:.92rem}
.grid{display:grid;grid-template-columns:1fr;gap:1.2rem;margin:1.5rem 0}
@media(min-width:760px){.grid{grid-template-columns:1fr 1fr}}
.bias{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  box-shadow:var(--shadow);scroll-margin-top:170px;display:flex;flex-direction:column}
.bias-art{background:var(--field);border-bottom:1px solid var(--line)}
.bias-art img{display:block;width:100%;height:auto}
.bias-body{padding:1rem 1.15rem 1.15rem}
.bias-head{display:flex;align-items:center;justify-content:space-between;gap:.6rem;flex-wrap:wrap}
.bias-head h3{margin:.1rem 0;font-size:1.22rem;line-height:1.2}
.plain{margin:.5rem 0}
.example{margin:.5rem 0;color:var(--ink)}
.lbl{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;
  color:var(--muted)}
.example .lbl{color:var(--accent)}
.advocacy{margin:.8rem 0 .4rem;background:var(--adv-bg);border-left:4px solid var(--adv-line);
  border-radius:0 10px 10px 0;padding:.7rem .9rem}
.advocacy .adv-lbl{margin:0 0 .2rem;color:var(--accent)}
.advocacy p:last-child{margin:.1rem 0 0}
.wiki{margin:.7rem 0 0;font-size:.85rem}
.wiki a{color:var(--muted)}
/* chips */
.chip{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.02em;color:#fff;
  background:var(--accent);padding:.18rem .55rem;border-radius:999px;text-decoration:none;white-space:nowrap}
.chip.big{font-size:1rem;padding:.3rem .8rem}
.cat-estimation{--cc:#c96f4a}.cat-estimation.chip{background:#c96f4a}
.cat-decision{--cc:#6a8f7d}.cat-decision.chip{background:#6a8f7d}
.cat-hypothesis-assessment{--cc:#8a6d9e}.cat-hypothesis-assessment.chip{background:#8a6d9e}
.cat-causal-attribution{--cc:#b0764a}.cat-causal-attribution.chip{background:#b0764a}
.cat-recall{--cc:#4a7a96}.cat-recall.chip{background:#4a7a96}
.cat-opinion-reporting{--cc:#9c7d3a}.cat-opinion-reporting.chip{background:#9c7d3a}
/* citations */
.cite{position:relative;cursor:help}
.cite sup{color:var(--accent);font-weight:700;padding:0 .05rem}
.cite .tip{position:absolute;left:0;bottom:1.4em;z-index:20;display:none;width:min(280px,72vw);
  background:var(--ink);color:var(--field);font-size:.82rem;line-height:1.45;font-weight:400;
  padding:.55rem .7rem;border-radius:9px;box-shadow:var(--shadow);text-transform:none;letter-spacing:0}
.cite .tip strong{display:block;margin-bottom:.15rem}
.cite .tip a{color:var(--field);text-decoration:underline}
.cite:hover .tip,.cite:focus .tip,.cite:focus-within .tip{display:block}
/* references */
.biblio{margin-top:2.5rem;border-top:1px solid var(--line);padding-top:1.2rem}
.biblio h2{font-size:1.3rem}
.reflist{list-style:none;margin:0;padding:0;counter-reset:none}
.reflist li{display:flex;gap:.5rem;padding:.35rem 0;font-size:.9rem;scroll-margin-top:170px}
.reflist li:target{background:var(--adv-bg);border-radius:8px;padding:.35rem .5rem}
.refnum{color:var(--accent);font-weight:700;min-width:1.8rem}
.refbody strong{display:block}
/* footer */
.site-footer{max-width:1080px;margin:2rem auto 0;padding:1.5rem clamp(1rem,4vw,2rem) 3rem;
  border-top:1px solid var(--line);color:var(--muted);font-size:.85rem}
.site-footer a{color:var(--accent)}
.site-footer .made{font-weight:700;color:var(--ink)}
.site-footer .ver{opacity:.7}