:root{
  --paper:#f3f0e6;
  --paper-raised:#eae5d5;
  --ink:#20232c;
  --ink-soft:#585f70;
  --rule:#d9d3bf;
  --claim:#8a5c14;
  --claim-soft:#dcb47e;
  --science:#1f5c73;
  --science-soft:#8bb4c4;
  --band:rgba(168,114,28,0.08);
  --band-science:rgba(31,92,115,0.08);
  --focus:#8a6b1e;
  --mono:"Space Mono",ui-monospace,monospace;
  --serif:"Lora",Georgia,"Times New Roman",serif;
  --sans:"Space Grotesk","Inter",system-ui,sans-serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#13151c;
    --paper-raised:#191c25;
    --ink:#e9e5d6;
    --ink-soft:#a9a48f;
    --rule:#31344a;
    --claim:#dfab5f;
    --claim-soft:#8a6a3a;
    --science:#84b9cf;
    --science-soft:#2c4652;
    --band:rgba(223,171,95,0.09);
    --band-science:rgba(132,185,207,0.09);
    --focus:#d8b258;
  }
}
:root[data-theme="dark"]{
  --paper:#13151c;
  --paper-raised:#191c25;
  --ink:#e9e5d6;
  --ink-soft:#a9a48f;
  --rule:#31344a;
  --claim:#dfab5f;
  --claim-soft:#8a6a3a;
  --science:#84b9cf;
  --science-soft:#2c4652;
  --band:rgba(223,171,95,0.09);
  --band-science:rgba(132,185,207,0.09);
  --focus:#d8b258;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--serif);
  font-size:18px;
  line-height:1.62;
}
.wrap{max-width:44rem;margin:0 auto;padding:0 1.25rem}
.top{padding-top:1.25rem;font-family:var(--sans);font-size:0.85rem}
.top a{color:var(--ink-soft);text-decoration:none}
.top a:hover{color:var(--ink)}
.langbar{font-family:var(--sans);font-size:0.85rem;margin:1.5rem 0 0;color:var(--ink-soft)}
.langbar a{color:var(--ink-soft)}
.langbar .current{color:var(--ink);font-weight:600}
.masthead{margin:1.5rem 0 2rem}
.kicker{
  font-family:var(--sans);
  text-transform:uppercase;
  letter-spacing:0.08em;
  font-size:0.78rem;
  color:var(--ink-soft);
  margin:0 0 0.6rem;
}
h1{
  font-family:var(--serif);
  font-weight:600;
  font-size:clamp(2rem,5.6vw,2.9rem);
  line-height:1.1;
  margin:0 0 0.9rem;
  letter-spacing:-0.01em;
}
.deck{
  font-family:var(--sans);
  font-size:1.12rem;
  line-height:1.5;
  color:var(--ink-soft);
  margin:0;
  max-width:38rem;
}
article p, article li{max-width:36rem}
.lede{font-size:1.08rem}
h2{
  font-family:var(--serif);
  font-weight:600;
  font-size:1.5rem;
  margin:2.7rem 0 0.9rem;
  letter-spacing:-0.005em;
}
h3{
  font-family:var(--sans);
  font-weight:600;
  font-size:1.02rem;
  margin:1.8rem 0 0.6rem;
  color:var(--ink);
}
a{color:var(--claim)}
a:hover{color:var(--ink)}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
strong{color:var(--ink)}

.stat-row{display:flex;flex-wrap:wrap;gap:1px;background:var(--rule);margin:1.8rem 0;border:1px solid var(--rule)}
.stat{flex:1 1 8rem;background:var(--paper-raised);padding:0.9rem 1rem}
.stat .num{font-family:var(--mono);font-weight:700;font-size:1.25rem;color:var(--ink)}
.stat .lbl{font-family:var(--sans);font-size:0.78rem;color:var(--ink-soft);margin-top:0.3rem;line-height:1.4}

/* quote block for primary-source excerpts */
blockquote.source-quote{
  margin:1.6rem 0;
  padding:1rem 1.2rem;
  background:var(--band);
  border-left:3px solid var(--claim);
  font-style:italic;
}
blockquote.source-quote p{margin:0 0 0.4rem;max-width:none}
blockquote.source-quote cite{
  display:block;
  font-family:var(--sans);
  font-style:normal;
  font-size:0.8rem;
  color:var(--ink-soft);
}
blockquote.science-quote{
  margin:1.6rem 0;
  padding:1rem 1.2rem;
  background:var(--band-science);
  border-left:3px solid var(--science);
  font-style:italic;
}
blockquote.science-quote p{margin:0 0 0.4rem;max-width:none}
blockquote.science-quote cite{
  display:block;
  font-family:var(--sans);
  font-style:normal;
  font-size:0.8rem;
  color:var(--ink-soft);
}

/* chain widget */
.chain{
  margin:1.8rem 0 2.2rem;
  border:1px solid var(--rule);
  background:var(--paper-raised);
}
.chain-head{
  display:flex;
  justify-content:space-between;
  gap:0.6rem;
  padding:0.7rem 1rem;
  font-family:var(--sans);
  font-size:0.78rem;
  color:var(--ink-soft);
  border-bottom:1px solid var(--rule);
  flex-wrap:wrap;
}
.chain-nodes{
  display:flex;
  overflow-x:auto;
  border-bottom:1px solid var(--rule);
  -webkit-overflow-scrolling:touch;
}
.chain-node{
  flex:1 1 0;
  min-width:6.5rem;
  padding:0.85rem 0.7rem;
  text-align:center;
  background:none;
  border:none;
  border-right:1px solid var(--rule);
  font-family:var(--sans);
  font-size:0.82rem;
  color:var(--ink-soft);
  cursor:pointer;
}
.chain-node:last-child{border-right:none}
.chain-node .yr{display:block;font-family:var(--mono);font-weight:700;color:var(--ink);font-size:0.95rem;margin-bottom:0.15rem}
.chain-node[aria-selected="true"]{background:var(--band);color:var(--ink);font-weight:600}
.chain-node:hover{background:var(--band)}
.chain-panel{padding:1.1rem 1.2rem 1.3rem}
.chain-panel .said{font-family:var(--serif);font-style:italic;margin:0 0 0.7rem;line-height:1.55}
.chain-panel .gap{
  font-family:var(--sans);
  font-size:0.85rem;
  color:var(--claim);
  background:var(--band);
  padding:0.55rem 0.7rem;
  margin:0 0 0.7rem;
  border-left:2px solid var(--claim);
}
.chain-panel .src{font-family:var(--sans);font-size:0.78rem;color:var(--ink-soft)}
.chain-fallback{padding:1rem 1.2rem}
.chain-fallback li{margin-bottom:0.8rem}

/* archival figures */
figure.archival{
  margin:2rem 0;
  border:1px solid var(--rule);
  background:var(--paper-raised);
  padding:0.6rem;
}
figure.archival img{display:block;width:100%;height:auto}
figure.archival figcaption{
  font-family:var(--sans);
  font-size:0.78rem;
  color:var(--ink-soft);
  padding:0.6rem 0.3rem 0.2rem;
  line-height:1.5;
}

/* species-contrast table */
.contrast{width:100%;border-collapse:collapse;margin:1.6rem 0;font-family:var(--sans);font-size:0.88rem}
.contrast th,.contrast td{border:1px solid var(--rule);padding:0.55rem 0.7rem;text-align:left;vertical-align:top}
.contrast th{background:var(--paper-raised);font-weight:600}
.contrast td.no{color:var(--ink-soft)}

.method{
  margin:2.4rem 0 0;
  padding-top:1.4rem;
  border-top:1px solid var(--rule);
}
.method h2{margin-top:0}
.sources-list{padding-left:1.1rem}
.sources-list li{margin-bottom:0.55rem;font-size:0.92rem;color:var(--ink-soft)}

footer{
  margin:3rem 0 2.5rem;
  padding-top:1.4rem;
  border-top:1px solid var(--rule);
  font-family:var(--sans);
  font-size:0.85rem;
  color:var(--ink-soft);
}
footer a{color:var(--ink-soft)}
.author-credit{display:inline-block;margin-top:0.3rem}

.attrib-note{font-size:0.78rem;color:var(--ink-soft);font-family:var(--sans)}

@media (max-width:480px){
  body{font-size:17px}
  .chain-node{min-width:5.2rem;font-size:0.76rem;padding:0.7rem 0.4rem}
}