/* GROK'it shelves: articles, receipts, code, batons. Same field as the tool. R2.2: human speaks in Space Grotesk, system in IBM Plex Mono. */
:root{--bg:#000;--ink:#e9efe4;--dim:#93a08c;--faint:#7f8b78;--frog:#8fe04a;--sky:#7fb8f0;--line:#1b2219;--card:#060905;
  --mono:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,Consolas,monospace;--sans:"Space Grotesk",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
@font-face{font-family:"Space Grotesk";src:url(/space-grotesk.woff) format("woff");font-weight:300 700;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url(/plex-mono-400.woff) format("woff");font-weight:400;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url(/plex-mono-500.woff) format("woff");font-weight:500;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url(/plex-mono-600.woff) format("woff");font-weight:600 800;font-display:swap}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 var(--sans);-webkit-text-size-adjust:100%}
a{color:var(--sky)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--frog);outline-offset:2px}
.wrap{max-width:680px;margin:0 auto;padding:0 16px 40px}
nav{position:sticky;top:0;z-index:1;display:flex;align-items:center;gap:16px;height:48px;background:#000;border-bottom:1px solid var(--line);margin:0 -16px;padding:0 16px;font:600 14px var(--mono)}
nav a{color:var(--ink);text-decoration:none;min-height:32px;display:inline-flex;align-items:center}
nav .brand{color:var(--frog);margin-right:auto}
nav .go{color:#000;background:var(--frog);padding:6px 13px;border-radius:999px}
h1{font:800 clamp(26px,7vw,34px)/1.1 var(--sans);letter-spacing:-.015em;margin:26px 0 8px}
h1 span{color:var(--frog)}
h2{font:800 22px/1.2 var(--sans);margin:34px 0 6px}
h2 small{display:block;font:600 11px var(--mono);letter-spacing:.14em;color:var(--faint);margin-bottom:6px}
h3{font:600 12px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--frog);margin:18px 0 4px}
p{margin:0 0 12px}
.lede{color:var(--dim)}
.dim{color:var(--dim)}
article{border-top:1px solid var(--line);margin-top:30px}
.toc{list-style:none;padding:0;margin:14px 0 0}
.toc li{margin:0 0 8px}
.toc a{display:block;border:1px solid var(--line);background:var(--card);border-radius:10px;padding:10px 12px;text-decoration:none;color:var(--ink)}
.toc a b{display:block;font:600 11px var(--mono);letter-spacing:.12em;color:var(--faint)}
.tag{display:inline-block;font:600 11px var(--mono);letter-spacing:.1em;color:#000;background:var(--frog);border-radius:6px;padding:1px 7px;margin-right:6px}
.tag.syn{background:var(--sky)}
dl{margin:8px 0 0}
dt{font:600 11px/1.6 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--faint);margin-top:10px}
dd{margin:0}
pre,code{font:13px/1.5 var(--mono)}
pre{white-space:pre-wrap;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px;overflow-x:auto}
.card{border:1px solid var(--line);background:var(--card);border-radius:12px;padding:14px;margin:14px 0}
.meta{font:12px/1.6 var(--mono);color:var(--dim);word-break:break-all}
button,.btn{font:600 13px var(--mono);background:none;color:var(--sky);border:1px solid #1f3346;border-radius:8px;padding:7px 12px;min-height:32px;cursor:pointer;text-decoration:none;display:inline-block}
input[type=file]{font:13px var(--mono);color:var(--dim);max-width:100%;min-height:36px;padding:6px 0}
.final{margin-top:40px;text-align:center;border-top:1px solid var(--line);padding-top:24px}
.final p{font:800 24px/1.15 var(--sans);margin:0 0 4px}.final p span{color:var(--frog)}
.final small{display:block;font:600 14px var(--mono);color:var(--dim);margin-bottom:12px}
.cta{display:inline-block;font:700 17px var(--mono);color:#000;background:var(--frog);border-radius:999px;padding:12px 28px;text-decoration:none}
footer{font:11px/1.5 var(--mono);color:var(--faint);margin-top:28px}
@media print{nav,.final,footer,button,.btn,input{display:none!important}body{background:#fff;color:#000}a{color:#000}pre,.card,.toc a{background:#fff;border-color:#999}h3,h1 span,.tag{color:#000;background:none}}
article ol{padding-left:22px;margin:0 0 12px}article ol li{margin:8px 0}
/* R2.1: field-paper metadata, one quiet next door, progressive details */
.fpmeta{display:grid;grid-template-columns:max-content 1fr;gap:4px 14px;border:1px solid var(--line);background:var(--card);border-radius:10px;padding:12px 14px;margin:12px 0 4px;font-size:14px}
.fpmeta dt{margin:0}.fpmeta dd{color:var(--dim)}
@media (max-width:420px){.fpmeta{grid-template-columns:1fr}.fpmeta dd{margin-bottom:6px}}
article details{border-top:1px solid var(--line);padding:10px 0}article details summary{cursor:pointer;font:600 13px var(--mono);color:var(--sky);min-height:24px}
article details p{margin:8px 0 0;color:var(--dim)}
.next{margin:44px 0 0;padding-top:20px;border-top:1px solid var(--line);font:14px var(--mono);color:var(--dim)}
.next a{display:inline-block;padding:4px 0;min-height:24px}
/* R2.2 TWO-VOICE TYPOGRAPHY (same doctrine as the tool; see index.html). HUMAN: headings, prose, field-paper steps, actions,
   navigation. SYSTEM: metadata, tags, ids, code, recipes, logs. System weights: 400 detail, 500 labels, 600 ids/status. */
h1,h2{font-weight:700;letter-spacing:-.02em}
nav{font:600 15px var(--sans);letter-spacing:0}
h3{font:600 17px/1.3 var(--sans);letter-spacing:0;text-transform:none;margin:22px 0 6px}
button,.btn{font:600 14px var(--sans)}
input[type=file]{font:14px var(--sans)}
.final small{font:500 14px var(--sans)}
.cta{font:600 17px var(--sans)}
article details summary{font:600 15px var(--sans)}
.next{font:15px var(--sans)}
h2 small,.toc a b,.tag{font-weight:500}
dt{font:500 11px/1.6 var(--mono)}
/* R2.2-D DEPTH (same tokens as the tool): human prose stays open on the field; system objects (metadata, code, recipes,
   logs, manifests) sit on one lifted machine surface with a restrained rule and a tight radius. */
:root{--d1:#070a06;--d2:#0d130b;--d3:#131b10;--r2:#27321f;--r-sys:6px;--card:#070a06}
pre,.fpmeta{background:var(--d3);border-color:var(--r2);border-radius:var(--r-sys)}
pre{padding:12px 14px}
.fpmeta{padding:12px 14px}