/* ============================================================
   THE TOOLKIT — shared design system
   Field-manual / bench-instrument identity: warm paper, warm ink,
   hairline rules, one burnt-orange accent. Flat, squared, plain.
   Type: IBM Plex Sans (work) + IBM Plex Mono (readouts & labels),
   with system fallbacks if the font CDN is unreachable.
   ============================================================ */
:root{
  --paper:#faf7f0;
  --panel:#fffdf7;
  --panel-2:#f3efe2;
  --ink:#23251f;
  --ink-2:#3c3f35;
  --muted:#716e60;
  --line:#ddd5c1;
  --line-2:#c8bfa6;
  --accent:#bc4208;
  --accent-dk:#93350a;
  --accent-tint:#f9ead9;
  --bad:#b3352b;
  --warn:#9a6a06;
  --sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);background:var(--paper);color:var(--ink);line-height:1.55;font-size:16px}
::selection{background:var(--accent-tint)}

/* ---------- nameplate header (all pages) ---------- */
.site-head{background:var(--ink);color:var(--paper)}
.site-head-in{max-width:1080px;margin:0 auto;padding:13px 16px;display:flex;flex-wrap:wrap;align-items:center;gap:8px 28px}
.brand{color:var(--paper);text-decoration:none;font-weight:700;font-size:1.02rem;letter-spacing:.045em;display:inline-flex;align-items:center;gap:10px}
.brand:hover{color:#fff}
.brand-mark{width:11px;height:11px;background:var(--accent);flex:none}
.brand small{font-family:var(--mono);font-weight:400;font-size:.66rem;letter-spacing:.13em;text-transform:uppercase;color:#b9b6a6}
.site-nav{display:flex;flex-wrap:wrap;gap:2px 16px;margin-left:auto}
.site-nav a{font-family:var(--mono);font-size:.7rem;letter-spacing:.11em;text-transform:uppercase;color:#c9c6b6;text-decoration:none;padding:3px 0;border-bottom:2px solid transparent}
.site-nav a:hover{color:#fff;border-bottom-color:var(--accent)}
.site-nav a.here{color:#fff;border-bottom-color:var(--accent)}
@media(max-width:640px){.site-nav{margin-left:0}}

/* ---------- page frame ---------- */
.wrap{max-width:760px;margin:0 auto;padding:30px 16px 56px}
.eyebrow{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin:0 0 6px;font-weight:600}
h1{font-size:2rem;line-height:1.12;letter-spacing:-.021em;font-weight:700;margin:0 0 8px}
.sub{color:var(--ink-2);margin:0 0 22px;font-size:1.02rem;max-width:62ch}
h2{font-size:1.18rem;letter-spacing:-.012em;margin:0 0 8px;font-weight:700}

/* ---------- panels & forms ---------- */
.card{background:var(--panel);border:1px solid var(--line);border-radius:3px;padding:22px;margin-bottom:20px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:560px){.grid{grid-template-columns:1fr}}
label{display:block;font-family:var(--mono);font-size:.7rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-2);margin-bottom:6px}
input,select,textarea{width:100%;padding:11px 12px;border:1px solid var(--line-2);border-radius:2px;font-size:1rem;background:#fff;color:var(--ink);font-family:inherit}
input[type=checkbox],input[type=radio]{width:auto}
input[type=range]{padding:0}
textarea{resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
button{margin-top:16px;width:100%;padding:13px 14px;background:var(--accent);color:#fff;border:0;border-bottom:3px solid var(--accent-dk);border-radius:2px;font-family:var(--mono);font-size:.86rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;cursor:pointer}
button:hover{background:#a83b07}
button:active{transform:translateY(2px);border-bottom-width:1px}
button.secondary,button.ghost,button.alt,.btnrow button.alt,.roomrow button,.trow button{background:var(--panel-2);color:var(--ink);border:1px solid var(--line-2);border-bottom:3px solid var(--line-2);text-transform:none;letter-spacing:.01em;font-family:var(--sans);font-weight:600}
button.secondary:hover,button.ghost:hover,button.alt:hover,.btnrow button.alt:hover,.roomrow button:hover,.trow button:hover{background:#eae4d0}

/* ---------- results readout ---------- */
.results{display:none}
.results>.big:first-child,.card .big:first-child{margin-top:2px}
.big{font-family:var(--mono);font-size:1.85rem;font-weight:600;letter-spacing:-.01em;color:var(--ink);line-height:1.2;font-variant-numeric:tabular-nums}
.stat{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:8px 0;border-bottom:1px solid var(--line)}
.stat:last-child{border-bottom:0}
.stat span:first-child{color:var(--muted)}
.stat strong{font-family:var(--mono);font-weight:600;font-variant-numeric:tabular-nums;text-align:right}
p.note{color:var(--ink-2);font-size:.95rem}
p.note strong{color:var(--ink)}

/* ---------- ad placeholder (ad code drops in here at launch) ---------- */
.adslot{border:1px dashed var(--line-2);border-radius:2px;min-height:90px;margin-bottom:20px;display:flex;align-items:flex-start;justify-content:center;padding-top:9px;background:transparent}
.adslot::before{content:"ADVERTISEMENT";font-family:var(--mono);font-size:.62rem;letter-spacing:.22em;color:var(--muted)}

/* ---------- page footer + shared site footer ---------- */
footer{color:var(--muted);font-size:.86rem;margin-top:10px;border-top:1px solid var(--line);padding-top:12px}
.site-foot{margin-top:26px;border-top:3px solid var(--ink);padding-top:14px}
.sf-label{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);margin:0 0 8px;font-weight:600}
.sf-links{margin:0 0 10px;font-size:.95rem;line-height:1.9}
.sf-links a{color:var(--accent-dk);text-decoration:none;border-bottom:1px solid var(--line-2)}
.sf-links a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.sf-note{color:var(--muted);font-size:.86rem;margin:0}

/* ---------- index / directory ---------- */
.dir-wrap{max-width:1080px;margin:0 auto;padding:34px 16px 60px}
.dir-intro{font-size:1.06rem;color:var(--ink-2);max-width:68ch;margin:0 0 8px}
.dir-count{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 10px}
.chapter{border-top:3px solid var(--ink);margin-top:38px;padding-top:16px}
.chapter-head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.chapter-no{font-family:var(--mono);font-size:.78rem;font-weight:600;color:var(--accent);letter-spacing:.1em}
.chapter h2{font-size:1.45rem;letter-spacing:-.018em;margin:0}
.chapter-intro{color:var(--ink-2);margin:8px 0 6px;max-width:70ch}
.dir-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 44px}
@media(max-width:720px){.dir-grid{grid-template-columns:1fr}}
.dir-item{padding:11px 0 10px;border-bottom:1px solid var(--line)}
.dir-item a{color:var(--ink);text-decoration:none;font-weight:600;font-size:1rem}
.dir-item a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.dir-item p{margin:2px 0 0;color:var(--muted);font-size:.9rem;line-height:1.45}
.dir-foot{margin-top:48px;border-top:3px solid var(--ink);padding-top:14px;color:var(--muted);font-size:.9rem;max-width:72ch}
/* ---------- shop funnel block (mapped pages only, one per page) ---------- */
.shop-funnel{border-top:1px solid var(--line);margin-top:22px;padding-top:12px}
.shop-funnel .funnel-label{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);margin:0 0 6px;font-weight:600}
.shop-funnel p.funnel-line{margin:0;color:var(--ink-2);font-size:.95rem;max-width:62ch}
.shop-funnel a{color:var(--accent-dk);text-decoration:none;border-bottom:1px solid var(--line-2);font-weight:600}
.shop-funnel a:hover{color:var(--accent);border-bottom-color:var(--accent)}