/* Evolving Agents Labs — shared styles. Hand-written; no preprocessor. */
:root{
  --paper:#F5F5F2; --ground:#FFFFFF;
  --ink:#15171B; --ink-2:#4A4F58; --ink-3:#767C86;
  --rule:#DEDEDA; --rule-strong:#C4C4BF;
  --accent:#3E52A3; --signal:#8A5C10;
  --serif:"Newsreader",Georgia,"Times New Roman",serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --pad:clamp(1.25rem,5vw,3rem);
}
@media (prefers-color-scheme:dark){
  :root{
    --paper:#0F1114; --ground:#15181C;
    --ink:#E8E8E4; --ink-2:#A8ADB6; --ink-3:#767C86;
    --rule:#262A30; --rule-strong:#363B43;
    --accent:#8B9BE0; --signal:#D9A441;
  }
}
:root[data-theme="dark"]{
  --paper:#0F1114; --ground:#15181C;
  --ink:#E8E8E4; --ink-2:#A8ADB6; --ink-3:#767C86;
  --rule:#262A30; --rule-strong:#363B43;
  --accent:#8B9BE0; --signal:#D9A441;
}
:root[data-theme="light"]{
  --paper:#F5F5F2; --ground:#FFFFFF;
  --ink:#15171B; --ink-2:#4A4F58; --ink-3:#767C86;
  --rule:#DEDEDA; --rule-strong:#C4C4BF;
  --accent:#3E52A3; --signal:#8A5C10;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px;}
.wrap{max-width:min(64rem,100%);margin:0 auto;padding-inline:var(--pad);}
.wrap.narrow{max-width:min(46rem,100%);}

/* masthead */
.masthead{
  display:flex;align-items:baseline;justify-content:space-between;
  gap:1.5rem;flex-wrap:wrap;padding-block:1.75rem 1.5rem;
  border-bottom:1px solid var(--rule);
}
.wordmark{
  font-family:var(--mono);font-size:.8125rem;font-weight:500;
  letter-spacing:.08em;text-transform:uppercase;text-decoration:none;color:inherit;
}
.wordmark .mark{color:var(--accent);margin-right:.45em;}
.navlinks{display:flex;gap:1.5rem;font-family:var(--mono);font-size:.75rem;letter-spacing:.04em;}
.navlinks a{color:var(--ink-2);text-decoration:none;transition:color .15s;}
.navlinks a:hover{color:var(--accent);}

/* index hero */
.hero{padding-block:clamp(3rem,9vw,5.5rem) clamp(2.5rem,6vw,4rem);}
.hero h1{
  font-family:var(--serif);font-weight:300;
  font-size:clamp(2rem,5.4vw,3.5rem);line-height:1.12;
  letter-spacing:-.018em;margin:0 0 1.5rem;max-width:22ch;text-wrap:balance;
}
.hero h1 em{font-style:italic;color:var(--accent);}
.hero p{margin:0;max-width:66ch;color:var(--ink-2);font-size:1.0625rem;line-height:1.65;}
.hero p + p{margin-top:1rem;}
.hero .who{
  margin-top:1.75rem;padding-top:1.25rem;
  border-top:1px solid var(--rule);
  font-size:.9375rem;color:var(--ink-3);
}
.hero .who a{color:var(--ink-2);text-decoration-thickness:1px;text-underline-offset:2px;}
.hero .who a:hover{color:var(--accent);}

/* legend */
.legend{
  display:flex;flex-wrap:wrap;gap:.6rem 1.75rem;
  padding-block:1.25rem;border-block:1px solid var(--rule);
  font-family:var(--mono);font-size:.75rem;color:var(--ink-3);
}
.legend div{display:flex;align-items:center;gap:.5rem;}

.badge{
  font-family:var(--mono);font-size:.6875rem;font-weight:500;
  letter-spacing:.06em;text-transform:uppercase;
  padding:.2em .55em;border:1px solid currentColor;border-radius:2px;
  white-space:nowrap;line-height:1.3;
}
.badge.reproducible{color:var(--accent);}
.badge.results{color:var(--signal);}
.badge.prototype{color:var(--ink-3);}

/* index listing */
.listing{padding-block:1rem 4rem;}
.sectionlabel{
  font-family:var(--mono);font-size:.6875rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--ink-3);margin:0;padding-block:2.25rem 1rem;
}
.row{
  display:grid;grid-template-columns:7.5rem minmax(9rem,12rem) 1fr auto;
  gap:.5rem 2rem;align-items:start;
  padding:1.5rem .875rem;margin-inline:-.875rem;
  border-bottom:1px solid var(--rule);
  text-decoration:none;color:inherit;border-radius:3px;
  transition:background-color .18s ease;
}
.row:first-of-type{border-top:1px solid var(--rule-strong);}
.row:hover{background:var(--ground);}
.row:hover .name{color:var(--accent);}
.row:hover .arrow{transform:translateX(3px);opacity:1;}
.thumb{
  display:block;border:1px solid var(--rule);border-radius:3px;
  overflow:hidden;background:var(--ground);aspect-ratio:16/9;
}
.thumb img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .25s ease;}
.row:hover .thumb img{transform:scale(1.03);}
@media (prefers-color-scheme:dark){.thumb img{filter:brightness(.88) saturate(.95);}}
:root[data-theme="dark"] .thumb img{filter:brightness(.88) saturate(.95);}
:root[data-theme="light"] .thumb img{filter:none;}
.rowhead{display:flex;flex-direction:column;gap:.55rem;align-items:flex-start;}
/* The origin has no evidence badge — it is not being worked on, and inventing a
   fourth badge would dilute what the other three mean. */
.row.origin .rowhead{justify-content:flex-start;}
.name{font-family:var(--mono);font-size:.9375rem;font-weight:500;letter-spacing:-.01em;transition:color .18s;}
.question{
  font-family:var(--serif);font-weight:300;
  font-size:clamp(1.125rem,2.1vw,1.4375rem);
  line-height:1.34;letter-spacing:-.012em;margin:0;max-width:44ch;text-wrap:balance;
}
.note{margin:.6rem 0 0;font-size:.875rem;line-height:1.55;color:var(--ink-2);max-width:52ch;}
.meta{
  display:flex;align-items:center;gap:.85rem;
  font-family:var(--mono);font-size:.75rem;color:var(--ink-3);
  font-variant-numeric:tabular-nums;white-space:nowrap;
}
.arrow{opacity:.45;transition:transform .18s ease,opacity .18s ease;}
@media (max-width:44rem){
  .row{grid-template-columns:1fr;gap:.85rem;padding-block:1.375rem;}
  .thumb{max-width:none;}
  .rowhead{flex-direction:row;align-items:center;gap:.75rem;flex-wrap:wrap;}
  .meta{order:3;}
}

/* detail page */
.crumb{
  font-family:var(--mono);font-size:.6875rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-3);padding-block:2rem .5rem;
}
.crumb a{color:var(--ink-3);text-decoration:none;}
.crumb a:hover{color:var(--accent);}
.crumb span{margin-inline:.5em;opacity:.5;}
.detail-hero{padding-block:.5rem 2rem;border-bottom:1px solid var(--rule);}
.detail-hero h1{
  font-family:var(--mono);font-weight:500;
  font-size:clamp(1.5rem,3.6vw,2rem);letter-spacing:-.02em;margin:0 0 1rem;
}
.detail-hero .question{
  font-size:clamp(1.375rem,3.2vw,1.875rem);margin:0 0 1.5rem;max-width:30ch;color:var(--ink);
}
.hero-meta{display:flex;align-items:center;gap:.85rem;flex-wrap:wrap;margin-bottom:1.75rem;}
.hero-meta .when{font-family:var(--mono);font-size:.75rem;color:var(--ink-3);}
.ctas{display:flex;gap:.75rem;flex-wrap:wrap;}
.cta{
  display:inline-flex;align-items:center;gap:.5rem;
  font-family:var(--mono);font-size:.8125rem;
  padding:.6rem 1rem;border:1px solid var(--rule-strong);border-radius:3px;
  text-decoration:none;color:var(--ink);background:var(--ground);
  transition:border-color .18s,color .18s;
}
.cta:hover{border-color:var(--accent);color:var(--accent);}
.cta.primary{border-color:var(--accent);color:var(--accent);}

.article{padding-block:2.5rem 3rem;}
.hero-figure{
  margin:2rem 0 0;border:1px solid var(--rule);border-radius:4px;
  overflow:hidden;background:var(--ground);
}
.hero-figure img{display:block;width:100%;height:auto;}
.hero .mark{
  display:block;width:clamp(3.5rem,7vw,4.75rem);height:auto;
  margin:0 0 1.75rem -.35rem;mix-blend-mode:multiply;
}
/* In dark mode the figures stay on their paper ground rather than being
   inverted. Inverting would drag the indigo through olive and shift the amber
   that means "signal detected" in sleep-harness — the accents carry meaning
   here. A light plate on a dark page reads as a printed figure, which suits a
   site set in Newsreader. Dimmed slightly so it does not glare. */
@media (prefers-color-scheme:dark){
  .hero-figure{border-color:var(--rule-strong);}
  .hero-figure img,.hero .mark{filter:brightness(.88) saturate(.95);}
  .hero .mark{mix-blend-mode:normal;}
}
:root[data-theme="dark"] .hero-figure{border-color:var(--rule-strong);}
:root[data-theme="dark"] .hero-figure img,
:root[data-theme="dark"] .hero .mark{filter:brightness(.88) saturate(.95);}
:root[data-theme="dark"] .hero .mark{mix-blend-mode:normal;}
:root[data-theme="light"] .hero-figure img,
:root[data-theme="light"] .hero .mark{filter:none;}
.article h2{
  font-family:var(--serif);font-weight:400;
  font-size:clamp(1.375rem,2.6vw,1.75rem);line-height:1.25;letter-spacing:-.012em;
  margin:2.75rem 0 1rem;text-wrap:balance;
}
.article h2:first-child{margin-top:0;}
.article .lede{
  font-family:var(--serif);font-weight:300;
  font-size:clamp(1.1875rem,2.4vw,1.5rem);line-height:1.4;
  color:var(--ink);margin-bottom:2rem;
}
.article p{margin:0 0 1.15rem;color:var(--ink-2);}
.article strong{color:var(--ink);font-weight:600;}
.article em{color:var(--ink);}
.article a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:2px;}
.article ul{margin:0 0 1.15rem;padding-left:1.25rem;color:var(--ink-2);}
.article li{margin-bottom:.5rem;}
.article code{
  font-family:var(--mono);font-size:.875em;
  background:var(--ground);border:1px solid var(--rule);border-radius:3px;padding:.1em .35em;
}
.article pre{
  background:var(--ground);border:1px solid var(--rule);border-radius:4px;
  padding:1rem;overflow-x:auto;margin:0 0 1.15rem;
}
.article pre code{background:none;border:none;padding:0;font-size:.8125rem;line-height:1.7;}

.nextprev{
  border-top:1px solid var(--rule-strong);padding-block:2rem 1rem;
  font-family:var(--mono);font-size:.8125rem;
}
.nextprev a{color:var(--accent);text-decoration:none;}
.nextprev a:hover{text-decoration:underline;}

.foot{
  border-top:1px solid var(--rule-strong);
  padding-block:2.5rem 3.5rem;
  display:flex;flex-direction:column;gap:.75rem;
  font-family:var(--mono);font-size:.75rem;color:var(--ink-3);
}
.foot .by{max-width:62ch;line-height:1.7;color:var(--ink-2);}
.foot .meta-foot{color:var(--ink-3);}
.foot a{color:var(--ink-2);text-decoration:none;}
.foot a:hover{color:var(--accent);}
@media (prefers-reduced-motion:reduce){*{transition:none !important;animation:none !important;}}