/* ============================================================================
   khoj.css — the shared design system for the Khoj research surfaces.
   One stylesheet, every page. Long-form pages keep their exact body markup and
   class names; this file restyles them. Method pages (Atlas, Spectrum, Lenses)
   reuse the same tokens + shell. Change the look once here — it propagates.

   Accent model:
     --fam   family accent (place=terracotta, domain=teal, conceptual=indigo),
             set by a .fam-* class on <html>.
     --c     per-item accent (Conceptual sets one per probe, inline). Anything
             that should follow the probe hue uses var(--c, var(--fam)) so
             Place/Domain fall back to their family accent automatically.
     --glyph secondary/script accent (native scripts, .sharp borders).
   ========================================================================== */

/* ---- tokens : neutral palette ----------------------------------------- */
:root{
  --paper:#e9e5dc; --panel:#f3f0e8; --panel-2:#faf8f2;
  --ink:#23201b; --ink-soft:#4c473e; --muted:#726c60;
  --line:#d3cdbf; --line-soft:#e0dbcf;
  --fam:#8a5a34; --fam-soft:#b98a5e; --glyph:#7d3b34;
  /* conceptual per-lens hues */
  --art:#9e5b63; --sci:#3f6a8c; --mat:#4b4f7a; --fra:#6f4b7a; --eco:#6b6f3a; --ecl:#356b5b;
  --serif:"Iowan Old Style","Charter","Bitstream Charter",Georgia,"Times New Roman",serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","Menlo","Consolas",monospace;
  --script:"Iowan Old Style",Georgia,"Songti SC","Hiragino Mincho ProN",
    "Noto Serif","Noto Serif CJK SC","Noto Serif JP","Noto Naskh Arabic",
    "Noto Serif Hebrew","Noto Serif Devanagari","Apple SD Gothic Neo",serif;
  --measure:70ch;
}
@media (prefers-color-scheme:dark){:root{
  --paper:#16140f; --panel:#1e1b15; --panel-2:#24211a;
  --ink:#eae3d4; --ink-soft:#b9b19f; --muted:#8b8474;
  --line:#312d24; --line-soft:#28241d;
  --fam:#cc9a68; --fam-soft:#a97c4f; --glyph:#cf958b;
  --art:#d18b92; --sci:#7fb0d6; --mat:#9599c9; --fra:#b088bd; --eco:#adb26a; --ecl:#6db69f;
}}
:root[data-theme="light"]{
  --paper:#e9e5dc; --panel:#f3f0e8; --panel-2:#faf8f2;
  --ink:#23201b; --ink-soft:#4c473e; --muted:#726c60;
  --line:#d3cdbf; --line-soft:#e0dbcf; --fam:#8a5a34; --fam-soft:#b98a5e; --glyph:#7d3b34;
  --art:#9e5b63; --sci:#3f6a8c; --mat:#4b4f7a; --fra:#6f4b7a; --eco:#6b6f3a; --ecl:#356b5b;
}
:root[data-theme="dark"]{
  --paper:#16140f; --panel:#1e1b15; --panel-2:#24211a;
  --ink:#eae3d4; --ink-soft:#b9b19f; --muted:#8b8474;
  --line:#312d24; --line-soft:#28241d; --fam:#cc9a68; --fam-soft:#a97c4f; --glyph:#cf958b;
  --art:#d18b92; --sci:#7fb0d6; --mat:#9599c9; --fra:#b088bd; --eco:#adb26a; --ecl:#6db69f;
}

/* ---- family accents : each page sets one on <html> -------------------- */
.fam-place{--fam:#8a5a34; --fam-soft:#b98a5e; --glyph:#7d3b34;}
.fam-domain{--fam:#2f6f6a; --fam-soft:#5fa39c; --glyph:#7a4a2d;}
.fam-conceptual{--fam:#4b4f7a; --fam-soft:#8387b4; --glyph:#6f4b7a;}
.fam-review{--fam:#6a5636; --fam-soft:#9c855c; --glyph:#7d3b34;}
@media (prefers-color-scheme:dark){
  .fam-place{--fam:#cc9a68; --fam-soft:#a97c4f; --glyph:#cf958b;}
  .fam-domain{--fam:#6db0aa; --fam-soft:#4f8781; --glyph:#c99a78;}
  .fam-conceptual{--fam:#9599c9; --fam-soft:#6f73a8; --glyph:#b088bd;}
  .fam-review{--fam:#c3ad7f; --fam-soft:#94805a; --glyph:#cf958b;}
}
:root[data-theme="dark"] .fam-place{--fam:#cc9a68; --fam-soft:#a97c4f; --glyph:#cf958b;}
:root[data-theme="dark"] .fam-domain{--fam:#6db0aa; --fam-soft:#4f8781; --glyph:#c99a78;}
:root[data-theme="dark"] .fam-conceptual{--fam:#9599c9; --fam-soft:#6f73a8; --glyph:#b088bd;}
:root[data-theme="dark"] .fam-review{--fam:#c3ad7f; --fam-soft:#94805a; --glyph:#cf958b;}

*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--serif);font-size:18px;line-height:1.72;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;}

/* ---- the connective nav : same on every surface ----------------------- */
.khojnav{position:sticky;top:0;z-index:60;display:flex;align-items:center;gap:2px;
  padding:9px clamp(16px,4vw,40px);
  background:color-mix(in srgb,var(--paper) 84%,transparent);
  backdrop-filter:saturate(1.3) blur(10px);-webkit-backdrop-filter:saturate(1.3) blur(10px);
  border-bottom:1px solid var(--line);font-family:var(--sans);font-size:13px;flex-wrap:wrap;}
.khojnav .home{color:var(--ink);text-decoration:none;font-weight:600;margin-right:5px;letter-spacing:-.01em}
.khojnav .home b{color:var(--fam)}
.khojnav .sep{color:var(--muted);margin:0 7px}
.khojnav a.seg{color:var(--ink-soft);text-decoration:none;padding:5px 11px;border-radius:99px;
  transition:background .14s,color .14s}
.khojnav a.seg:hover{background:var(--panel);color:var(--ink)}
.khojnav a.seg.cur{background:var(--fam);color:#fff}
.khojnav .views{margin-left:auto;display:flex;gap:4px;align-items:center}
.khojnav .views a{font-size:12px;color:var(--muted);text-decoration:none;padding:5px 10px;
  border:1px solid var(--line);border-radius:99px;transition:border-color .14s,color .14s}
.khojnav .views a:hover{color:var(--ink-soft);border-color:var(--fam-soft)}
.khojnav .views a.on{color:var(--ink);border-color:var(--fam-soft);background:var(--panel)}

.wrap{max-width:900px;margin:0 auto;padding:clamp(20px,5vw,56px) clamp(18px,5vw,40px) 96px;}

/* ---- masthead (shared by all long-form pages) ------------------------- */
.mast{border-bottom:2px solid var(--ink);padding-bottom:26px;margin-bottom:8px;}
.kicker{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:18px;}
.kicker .dev{font-family:var(--serif);font-size:17px;letter-spacing:0;color:var(--fam);}
h1{font-size:clamp(28px,5vw,46px);line-height:1.05;font-weight:600;margin:0;
  letter-spacing:-.015em;text-wrap:balance;}
.lede{font-size:19px;color:var(--ink-soft);max-width:var(--measure);margin:22px 0 0;}
.lede em{font-style:italic;color:var(--ink);}
.note{font-family:var(--sans);font-size:13.5px;line-height:1.6;color:var(--muted);
  max-width:var(--measure);margin:16px 0 0;padding-left:14px;border-left:2px solid var(--line);}

/* domain spectrum key (decorative axis) */
.spectrum{margin:26px 0 4px;padding:16px 18px;background:var(--panel);border:1px solid var(--line);border-radius:10px;}
.spectrum .sl{font-family:var(--sans);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:10px;}
.bar{height:8px;border-radius:4px;background:linear-gradient(90deg,var(--fam),var(--muted),var(--glyph));margin-bottom:8px;}
.spectrum .ends{display:flex;justify-content:space-between;font-family:var(--sans);font-size:12px;color:var(--ink-soft);gap:12px;}

/* ---- sticky jump index (was top-only; now follows) -------------------- */
.index{display:flex;flex-wrap:wrap;gap:7px;margin:26px 0 4px;
  position:sticky;top:46px;z-index:40;padding:12px 0 12px;
  background:linear-gradient(var(--paper) 80%,transparent);}
.chip{font-family:var(--sans);font-size:12.5px;text-decoration:none;color:var(--ink-soft);
  display:inline-flex;align-items:center;gap:8px;padding:6px 12px;
  border:1px solid var(--line);border-radius:999px;background:var(--panel);transition:border-color .15s,background .15s;}
.chip:hover{border-color:var(--c,var(--fam));background:var(--panel-2);}
.chip .g{font-family:var(--script);color:var(--glyph);font-size:14px;}
.chip .n{font-family:var(--mono);font-size:11px;color:var(--muted);}
.chip .dot{width:9px;height:9px;border-radius:50%;background:var(--c,var(--fam));flex:none;}

/* ---- long-form : Place sections --------------------------------------- */
.place{margin-top:56px;scroll-margin-top:96px;border-top:1px solid var(--line);padding-top:34px;}
.place-h{margin-bottom:24px;}
.place-eyebrow{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px;}
.place-eyebrow .num{color:var(--fam);}
.place-eyebrow .own{color:var(--glyph);border:1px solid var(--line);border-radius:4px;padding:1px 6px;letter-spacing:.08em;}
.place-name{font-size:clamp(24px,3.6vw,32px);line-height:1.05;font-weight:600;margin:0 0 4px;letter-spacing:-.01em;}
.place-sys{font-family:var(--sans);font-size:13px;color:var(--muted);}
.word{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;margin:20px 0 6px;
  padding:16px 20px;background:var(--panel);border:1px solid var(--line);border-radius:10px;border-left:3px solid var(--glyph);}
.word .glyph{font-family:var(--script);font-size:clamp(30px,6vw,46px);line-height:1;color:var(--glyph);font-weight:600;}
.word .rom{font-family:var(--serif);font-style:italic;font-size:18px;color:var(--ink);}
.word .gloss{font-family:var(--sans);font-size:13.5px;color:var(--muted);line-height:1.5;flex:1;min-width:180px;}

/* ---- long-form : Domain sections -------------------------------------- */
.domain{margin-top:52px;scroll-margin-top:96px;border-top:1px solid var(--line);padding-top:32px;}
.domain-h{margin-bottom:20px;}
.domain-eyebrow{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:12px;}
.domain-eyebrow .num{color:var(--fam);}
.domain-name{font-size:clamp(23px,3.5vw,31px);line-height:1.06;font-weight:600;margin:0 0 12px;letter-spacing:-.01em;}
.metab{display:flex;align-items:flex-start;gap:12px;padding:14px 18px;background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--fam);border-radius:8px;}
.metab .tl{font-family:var(--sans);font-size:10.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--fam);flex:none;padding-top:2px;}
.metab .tx{font-family:var(--sans);font-size:14px;line-height:1.5;color:var(--ink-soft);}

/* ---- long-form : Conceptual probe panels ------------------------------ */
.probe{margin-top:52px;scroll-margin-top:96px;border-top:1px solid var(--line);padding-top:34px;}
.probe-h{display:flex;flex-direction:column;gap:6px;margin-bottom:22px;border-left:3px solid var(--c,var(--fam));padding-left:18px;}
.probe-tag{font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--c,var(--fam));display:flex;align-items:center;gap:10px;}
.probe-tag .own{color:var(--muted);border:1px solid var(--line);border-radius:4px;padding:1px 6px;letter-spacing:.08em;}
.probe-h h2{font-family:var(--serif);font-size:clamp(23px,3.4vw,30px);line-height:1.1;font-weight:600;margin:2px 0 0;letter-spacing:-.01em;text-wrap:balance;}
.probe-h .scope{font-family:var(--sans);font-size:13.5px;color:var(--muted);line-height:1.55;}

/* ---- long-form : shared prose (brief / lens-label / sharp / sources) --- */
.brief{max-width:var(--measure);margin-top:22px;}
.brief p{margin:0 0 18px;}
.brief > p.frame,.brief > p:first-child{font-size:18.5px;}
.lens-label{font-family:var(--sans);font-size:12px;font-weight:600;letter-spacing:.13em;
  text-transform:uppercase;color:var(--c,var(--fam));margin:26px 0 12px;display:flex;align-items:center;gap:10px;}
.lens-label::after{content:"";height:1px;flex:1;background:var(--line-soft);}
.brief ul{list-style:none;margin:0 0 8px;padding:0;}
.brief li{position:relative;padding-left:22px;margin:0 0 15px;}
.brief li::before{content:"";position:absolute;left:3px;top:.72em;width:7px;height:7px;
  border:1.5px solid var(--c,var(--fam));border-radius:50%;}
.brief ol{margin:0 0 8px;padding-left:22px;}
.brief ol li{padding-left:4px;}
.brief ol li::before{display:none;}
.brief strong{font-weight:600;color:var(--ink);}
.brief code{font-family:var(--mono);font-size:.82em;background:var(--panel);border:1px solid var(--line-soft);border-radius:4px;padding:.06em .38em;}
.brief a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--c,var(--fam));padding-bottom:1px;word-break:break-word;}
.brief a:hover{background:var(--panel);}

.takes{background:var(--panel-2);border:1px solid var(--line);border-radius:10px;padding:6px 22px 14px;margin:20px 0;}
.takes .lens-label{margin-top:16px;}
.takes dl{margin:0;}
.takes dt{font-family:var(--sans);font-size:11.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--fam);margin:14px 0 3px;}
.takes dd{margin:0 0 6px;}

.sharp{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--c,var(--glyph));
  border-radius:8px;padding:18px 22px;margin:24px 0 18px;max-width:var(--measure);}
.sharp .lens-label{margin-top:0;color:var(--c,var(--glyph));}
.sharp .lens-label::after{display:none;}
.sharp p{margin:0;}
.sharp p + p{margin-top:12px;}

.sources{font-family:var(--sans);font-size:12.5px;line-height:1.7;color:var(--muted);margin:20px 0 0;max-width:var(--measure);}
.sources b{font-weight:600;color:var(--ink-soft);}

/* conceptual "unprobed" menu (its own .card/.cards — Atlas uses .atlas-card) */
.conv,.unprobed{margin-top:64px;border-top:2px solid var(--ink);padding-top:30px;}
.conv h2,.unprobed h2{font-size:clamp(20px,3.3vw,27px);font-weight:600;margin:0 0 8px;letter-spacing:-.01em;}
.conv p{font-family:var(--sans);font-size:14px;color:var(--ink-soft);max-width:var(--measure);line-height:1.7;}
.unprobed .sub{font-family:var(--sans);font-size:14px;color:var(--muted);max-width:var(--measure);margin:0 0 26px;}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,340px),1fr));gap:14px;}
.cards .card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:18px 20px;}
.cards .card h3{font-family:var(--serif);font-size:19px;font-weight:600;margin:0 0 8px;}
.cards .card p{font-family:var(--sans);font-size:13.5px;line-height:1.6;color:var(--ink-soft);margin:0;}
.cards .card .pill{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);border:1px solid var(--line);border-radius:4px;padding:2px 7px;display:inline-block;margin-bottom:12px;}
.foot{font-family:var(--sans);font-size:13px;color:var(--muted);margin-top:24px;padding-top:18px;border-top:1px solid var(--line);max-width:var(--measure);}
.foot a{color:var(--ink-soft);}

/* ---- method pages : card grid (Atlas, Domain spectrum, Conceptual) ----- */
.method-head{max-width:var(--measure)}
.method-head h1 em{font-style:italic;color:var(--ink-soft)}
.method-head .lede b{color:var(--ink);font-weight:600}
.axis{margin:30px 0 6px;padding:16px 18px;background:var(--panel);border:1px solid var(--line);border-radius:12px;}
.axis .sl{font-family:var(--sans);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:10px;}
.axis .bar{height:8px;border-radius:4px;background:linear-gradient(90deg,var(--fam),var(--muted),var(--glyph));margin-bottom:8px;}
.axis .ends{display:flex;justify-content:space-between;font-family:var(--sans);font-size:12px;color:var(--ink-soft);gap:12px;}
.atlas-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(248px,1fr));gap:16px;margin-top:26px}
.atlas-card{position:relative;display:flex;flex-direction:column;text-decoration:none;color:inherit;
  background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:20px 20px 18px;
  min-height:250px;overflow:hidden;transition:transform .16s,box-shadow .16s,border-color .16s,background .16s}
.atlas-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c,var(--fam));opacity:.5;transition:opacity .16s}
.atlas-card:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(0,0,0,.14);border-color:var(--fam-soft);background:var(--panel-2)}
.atlas-card:hover::before{opacity:1}
.atlas-card:hover .go{opacity:1;transform:translateX(0)}
.atlas-card.added{border-style:dashed}
.atlas-card .cnum{font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);margin-bottom:auto}
.atlas-card .cnum .badge{color:var(--fam);border:1px solid var(--fam-soft);border-radius:99px;padding:1px 7px;margin-left:5px;font-size:9px;letter-spacing:.1em}
.atlas-card .glyph{color:var(--glyph);line-height:1.05;margin:16px 0 2px;word-break:break-word;font-family:var(--script)}
.atlas-card .glyph.script{font-size:44px;font-weight:500}
.atlas-card .glyph.latinword{font-size:24px;font-style:italic;font-weight:500;letter-spacing:-.01em;font-family:var(--serif)}
.atlas-card .rom{font-family:var(--mono);font-size:12px;color:var(--c,var(--fam));margin-bottom:15px}
.atlas-card .kind{font-family:var(--sans);font-size:11px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin:0}
.atlas-card .headline{font-size:18px;font-weight:600;line-height:1.2;letter-spacing:-.01em;margin:3px 0 8px}
.atlas-card .gloss{font-family:var(--sans);font-size:12.8px;line-height:1.5;color:var(--ink-soft);margin:0}
.atlas-card .go{font-family:var(--sans);font-size:12px;color:var(--c,var(--fam));margin-top:14px;opacity:0;transform:translateX(-4px);transition:opacity .16s,transform .16s}

@media (max-width:560px){
  body{font-size:17px}
  .khojnav .views{margin-left:0;width:100%;margin-top:6px}
}
