/* ─────────────────────────────────────────────────────────────
   LemonBoss · NewFunction PRD — Shared Shell
   ───────────────────────────────────────────────────────────── */
:root{
  --paper:#FAF7F1;
  --paper-soft:#F2EDE0;
  --ink:#0E0E10;
  --ink-soft:#3B3B40;
  --ink-mute:#6c6c6c;
  --rule:#1c1c1f;
  --hairline:#dcd5c4;
  --card:#fff;

  --L1:#0E8C5A;     /* unit loop — emerald */
  --L1-tint:#E2F2EA;
  --L2:#C77C2C;     /* integrate loop — amber */
  --L2-tint:#F7E8D2;
  --L3:#6E48C3;     /* human loop — violet */
  --L3-tint:#ECE4FB;
  --accent:#C7341A; /* hot red */
  --warn:#8a6b00;
  --warn-tint:#FFF6CC;

  --code-bg:#0E0E10;
  --code-fg:#F3EFE5;
  --code-dim:#86827a;

  --sb-w:300px;
  --search-w:380px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--paper);color:var(--ink);
  font-family:"Inter",system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.65;}
h1,h2,h3,h4{font-family:"Fraunces",Georgia,serif;font-weight:500;letter-spacing:-0.01em;color:var(--ink)}
h1{font-size:clamp(34px,4vw,56px);line-height:1.05;margin:0 0 .3em;font-weight:300}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.15;margin:0 0 .5em;font-weight:500}
h3{font-size:20px;line-height:1.3;margin:1.6em 0 .4em;font-weight:600}
h4{font-size:13px;text-transform:uppercase;letter-spacing:.14em;font-family:"Inter";font-weight:700;color:var(--ink-soft);margin:1.4em 0 .4em}
p{margin:0 0 1em;color:var(--ink-soft)}
a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
code,pre,.mono{font-family:"JetBrains Mono",ui-monospace,Menlo,monospace}
hr{border:none;border-top:1px solid var(--hairline);margin:2.4em 0}

/* ── Shell layout ── */
.shell{display:grid;grid-template-columns:var(--sb-w) 1fr;min-height:100vh;
  max-width:1480px;margin:0 auto;
  border-left:1px solid var(--hairline);border-right:1px solid var(--hairline);background:var(--paper)}

/* ── Sidebar ── */
aside.sidebar{position:sticky;top:0;height:100vh;overflow:auto;
  padding:30px 0 60px;border-right:1px solid var(--hairline);background:var(--paper);font-size:13px}
aside.sidebar .brand{display:flex;align-items:center;gap:10px;padding:0 22px 22px;
  border-bottom:1px solid var(--hairline);text-decoration:none;color:var(--ink)}
aside.sidebar .brand .dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--accent)}
aside.sidebar .brand b{font-family:"Fraunces";font-weight:500;font-size:17px;letter-spacing:-.01em}
aside.sidebar .brand small{display:block;font-family:"JetBrains Mono";font-size:10px;color:var(--ink-mute);
  letter-spacing:.1em;text-transform:uppercase;margin-top:2px}

aside.sidebar .section-group{padding:10px 0;border-bottom:1px solid var(--hairline)}
aside.sidebar .section-group > .group-head{
  display:flex;justify-content:space-between;align-items:center;
  padding:9px 22px;cursor:pointer;user-select:none;
  font-family:"JetBrains Mono";font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft)}
aside.sidebar .section-group > .group-head:hover{color:var(--ink)}
aside.sidebar .section-group > .group-head .ix{color:var(--ink-mute);margin-right:8px}
aside.sidebar .section-group > .group-head .chev{font-family:"JetBrains Mono";font-size:13px;color:var(--ink-mute);transition:transform .15s}
aside.sidebar .section-group[data-open="true"] > .group-head .chev{transform:rotate(90deg)}
aside.sidebar .section-group > ul{list-style:none;margin:0;padding:0;display:none}
aside.sidebar .section-group[data-open="true"] > ul{display:block}
aside.sidebar .section-group > ul li{position:relative}
aside.sidebar .section-group > ul li a{
  display:block;padding:7px 22px 7px 44px;text-decoration:none;color:var(--ink-soft);
  border-left:2px solid transparent;line-height:1.45}
aside.sidebar .section-group > ul li a:hover{color:var(--ink);background:#F2EDE0}
aside.sidebar .section-group > ul li a .lbl{display:block}
aside.sidebar .section-group > ul li a .sub{display:block;font-family:"JetBrains Mono";
  font-size:10px;color:var(--ink-mute);margin-top:1px;letter-spacing:.04em}
aside.sidebar .section-group > ul li a.active{
  color:var(--ink);font-weight:700;background:#fff;border-left-color:var(--accent)}
aside.sidebar .sb-footer{padding:18px 22px;color:var(--ink-mute);font-family:"JetBrains Mono";font-size:10px;letter-spacing:.05em;line-height:1.6}

/* ── Main page ── */
main.page{min-width:0}
header.page-head{padding:54px 64px 26px;border-bottom:1px solid var(--hairline);background:var(--paper);
  position:relative;overflow:hidden}
header.page-head .crumb{font-family:"JetBrains Mono";font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ink-soft);margin-bottom:18px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
header.page-head .crumb a{color:var(--ink-soft);text-decoration:none}
header.page-head .crumb .sep{color:var(--ink-mute)}
header.page-head .crumb .pill{padding:3px 9px;border:1px solid var(--ink);border-radius:999px}
header.page-head h1{max-width:24ch}
header.page-head .deck{font-family:"Fraunces";font-size:20px;line-height:1.4;color:var(--ink);
  font-weight:300;max-width:60ch;margin-top:14px}
header.page-head .meta{display:flex;gap:36px;margin-top:30px;flex-wrap:wrap;font-family:"JetBrains Mono";font-size:11px}
header.page-head .meta div b{display:block;font-weight:700;color:var(--ink);margin-bottom:4px;
  text-transform:uppercase;letter-spacing:.1em}
header.page-head .meta div span{color:var(--ink-soft)}

article.body{padding:48px 64px}
article.body section{padding:0 0 40px;border-bottom:1px dashed var(--hairline);margin-bottom:40px}
article.body section:last-child{border-bottom:none}
article.body section > h2{margin-top:0}

nav.prev-next{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--hairline)}
nav.prev-next a{padding:24px 32px;text-decoration:none;color:var(--ink);
  display:flex;flex-direction:column;gap:4px}
nav.prev-next a small{font-family:"JetBrains Mono";font-size:10.5px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute)}
nav.prev-next a b{font-family:"Fraunces";font-weight:500;font-size:18px}
nav.prev-next a.prev{border-right:1px solid var(--hairline)}
nav.prev-next a.next{text-align:right;align-items:flex-end}
nav.prev-next a:hover{background:#F2EDE0}

footer.site{padding:36px 64px;background:var(--ink);color:#d9d3c2;font-size:12px;font-family:"JetBrains Mono";
  display:flex;gap:30px;flex-wrap:wrap;justify-content:space-between;letter-spacing:.04em}
footer.site b{color:#fff;text-transform:uppercase;letter-spacing:.12em;display:block;margin-bottom:4px;font-size:10.5px}

@media (max-width:980px){
  .shell{grid-template-columns:1fr}
  aside.sidebar{position:static;height:auto;border-right:none;border-bottom:1px solid var(--hairline)}
  header.page-head{padding:36px 24px 22px}
  article.body{padding:32px 24px}
  nav.prev-next{grid-template-columns:1fr}
  nav.prev-next a.prev{border-right:none;border-bottom:1px solid var(--hairline)}
}

/* ─────────────────────────── Content primitives ─────────────────────────── */
.lede{font-family:"Fraunces";font-size:22px;line-height:1.4;color:var(--ink);font-weight:300;max-width:60ch}
.dropcap::first-letter{font-family:"Fraunces";font-size:64px;line-height:.85;float:left;padding:8px 12px 0 0;font-weight:500}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media (max-width:880px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

/* tags */
.tag{display:inline-block;font-family:"JetBrains Mono";font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;padding:3px 8px;border-radius:3px;margin-right:6px;vertical-align:middle}
.tag.L1{background:var(--L1-tint);color:var(--L1)}
.tag.L2{background:var(--L2-tint);color:var(--L2)}
.tag.L3{background:var(--L3-tint);color:var(--L3)}
.tag.NEW{background:#FCE7E2;color:var(--accent)}
.tag.REUSE{background:#EAEAEA;color:#444}
.tag.PATCH{background:var(--warn-tint);color:var(--warn)}

/* cards */
.card{background:var(--card);border:1px solid var(--hairline);border-radius:6px;padding:22px}
.card h3{margin-top:0}
.card.l1{border-left:3px solid var(--L1)}
.card.l2{border-left:3px solid var(--L2)}
.card.l3{border-left:3px solid var(--L3)}

/* tables */
table{width:100%;border-collapse:collapse;font-size:14px;margin:1.2em 0}
table th,table td{padding:12px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--hairline)}
table th{font-family:"JetBrains Mono";font-size:11px;text-transform:uppercase;letter-spacing:.1em;
  color:var(--ink-soft);font-weight:600;background:var(--paper-soft)}
table tr:hover td{background:#F6F2E5}
table code{background:#EFE9D7;padding:1px 5px;border-radius:3px;font-size:12.5px}
.dense th,.dense td{padding:8px 10px;font-size:13px}

/* code blocks */
pre.code{background:var(--code-bg);color:var(--code-fg);border-radius:6px;padding:18px 20px;overflow:auto;
  font-size:13px;line-height:1.6;border:1px solid #000}
pre.code .c{color:var(--code-dim);font-style:italic}
pre.code .k{color:#FFA94D}
pre.code .s{color:#A0E8B9}
pre.code .n{color:#7AB8FF}
pre.code .p{color:#E8D58E}
pre.code .v{color:#F3EFE5}
pre.code .r{color:#FF8A6E}

/* tabs (interaction) */
.tabs{border:1px solid var(--hairline);border-radius:6px;overflow:hidden;background:#fff;margin:14px 0}
.tabbar{display:flex;background:var(--paper-soft);border-bottom:1px solid var(--hairline);flex-wrap:wrap}
.tabbar button{flex:1;min-width:120px;border:none;background:transparent;font-family:"JetBrains Mono";font-size:12px;
  padding:11px 14px;cursor:pointer;color:var(--ink-soft);border-right:1px solid var(--hairline)}
.tabbar button:last-child{border-right:none}
.tabbar button[aria-selected="true"]{background:#fff;color:var(--ink);font-weight:700;box-shadow:inset 0 -2px 0 var(--accent)}
.tabpanel pre.code{border-radius:0;border:none}
.tabpanel[hidden]{display:none}

/* accordion */
details.acc{border:1px solid var(--hairline);border-radius:6px;background:#fff;margin:10px 0;overflow:hidden}
details.acc summary{cursor:pointer;list-style:none;padding:13px 18px;display:flex;align-items:center;gap:14px;font-weight:600}
details.acc summary::-webkit-details-marker{display:none}
details.acc summary::before{content:"+";font-family:"JetBrains Mono";font-size:18px;color:var(--accent);width:18px}
details.acc[open] summary::before{content:"–"}
details.acc summary .role{font-family:"JetBrains Mono";font-size:11px;letter-spacing:.1em;color:var(--ink-soft);text-transform:uppercase;margin-left:auto}
details.acc .inner{padding:0 18px 16px;border-top:1px solid var(--hairline)}

/* callout */
.callout{border-left:3px solid var(--accent);padding:14px 18px;background:#fff;border-radius:0 6px 6px 0;
  font-size:14px;margin:1.4em 0}
.callout.warn{border-left-color:var(--warn);background:#FFFBE8}
.callout.ok{border-left-color:var(--L1);background:#F6FBF8}

/* file tree */
pre.tree{background:#fff;border:1px solid var(--hairline);border-radius:6px;padding:18px 20px;
  font-family:"JetBrains Mono";font-size:12.5px;line-height:1.7;color:var(--ink);overflow:auto}
pre.tree .new{color:var(--accent);font-weight:700}
pre.tree .reuse{color:#6c6c6c}
pre.tree .com{color:#a39c8b}

/* ribbon */
.contents-ribbon{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.contents-ribbon span{font-family:"JetBrains Mono";font-size:10.5px;letter-spacing:.12em;padding:4px 9px;
  background:#fff;border:1px solid var(--ink);border-radius:3px;text-transform:uppercase}

/* signage */
.sig{font-family:"JetBrains Mono";font-size:11.5px;color:var(--ink-mute)}
.kbd{font-family:"JetBrains Mono";font-size:12px;background:#fff;border:1px solid var(--hairline);
  border-bottom-width:2px;padding:1px 6px;border-radius:4px}

/* hero specific (for index.html) */
.hero{padding:80px 64px 50px;border-bottom:1px solid var(--rule);background:
  radial-gradient(1200px 400px at 80% -10%, rgba(110,72,195,.10), transparent),
  radial-gradient(900px 300px at 10% 110%, rgba(199,124,44,.10), transparent),
  var(--paper);position:relative;overflow:hidden}
.hero .kicker{display:flex;gap:14px;align-items:center;font-family:"JetBrains Mono";
  font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:22px;flex-wrap:wrap}
.hero .kicker .pill{padding:4px 10px;border:1px solid var(--ink);border-radius:999px}

/* mock browser frame */
.mock{background:#fff;border:1px solid var(--hairline);border-radius:8px;padding:16px;
  box-shadow:0 1px 0 #e7dfca, 0 10px 30px -18px rgba(0,0,0,.25)}
.mock .topbar{display:flex;align-items:center;gap:6px;border-bottom:1px solid var(--hairline);
  padding-bottom:10px;margin-bottom:14px;font-family:"JetBrains Mono";font-size:11px;color:var(--ink-soft)}
.mock .topbar .dot{width:9px;height:9px;border-radius:50%;background:#ddd}
.mock .topbar .url{margin-left:14px}

/* Agent header — used on agent pages */
.agent-hero{display:grid;grid-template-columns:120px 1fr;gap:24px;align-items:center;
  padding:30px;border:1px solid var(--hairline);border-radius:8px;background:#fff;margin-bottom:24px}
.agent-hero .avatar{width:120px;height:120px;border-radius:14px;background:var(--paper-soft);
  display:flex;align-items:center;justify-content:center;font-family:"Fraunces";font-size:46px;color:var(--ink)}
.agent-hero .meta{font-family:"JetBrains Mono";font-size:11px;color:var(--ink-soft);
  margin-top:8px;display:flex;gap:14px;flex-wrap:wrap}
.agent-hero .meta b{color:var(--ink);font-weight:700;text-transform:uppercase;letter-spacing:.1em}

/* upstream / downstream — small node graph */
.io-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:16px 0}
.io-box{background:#fff;border:1px solid var(--hairline);border-radius:6px;padding:16px}
.io-box h4{margin-top:0}
.io-box ul{margin:0;padding-left:18px}
.io-box ul li{margin:4px 0;color:var(--ink-soft);font-size:14px}
.io-box ul li code{background:#EFE9D7;padding:1px 5px;border-radius:3px;font-size:12.5px}

/* status pill */
.pill-row{display:flex;gap:6px;flex-wrap:wrap;font-family:"JetBrains Mono";font-size:11px;margin:10px 0}
.pill-row span{padding:3px 9px;border-radius:999px;border:1px solid var(--hairline);background:#fff}
.pill-row span.on{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ─────────────── Sidebar v2 — 3 levels + search ─────────────── */
.shell.search-open{grid-template-columns:var(--sb-w) var(--search-w) 1fr}
@media (max-width:980px){.shell.search-open{grid-template-columns:1fr}}

/* search input */
.sb-search{padding:14px 18px 12px;border-bottom:1px solid var(--hairline);background:var(--paper);position:sticky;top:0;z-index:2}
.sb-search input{
  width:100%;border:1px solid var(--hairline);border-radius:6px;
  padding:9px 32px 9px 30px;font-family:"JetBrains Mono";font-size:12px;
  background:#fff url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' width='12' height='12' fill='%236c6c6c'><path d='M11.7 11l3 3-.7.7-3-3a5.5 5.5 0 1 1 .7-.7zM6.5 11a4.5 4.5 0 1 0 0-9 4.5 4.5 0 0 0 0 9z'/></svg>") no-repeat 10px center;
  outline:none;color:var(--ink);
}
.sb-search input:focus{border-color:var(--ink)}
.sb-search input::placeholder{color:#a39c8b}
.sb-search .clear-btn{
  position:absolute;right:26px;top:50%;transform:translateY(-50%);
  background:none;border:none;color:#a39c8b;cursor:pointer;font-size:14px;
  font-family:"JetBrains Mono";padding:0;width:18px;height:18px;display:none
}
.sb-search.has-text .clear-btn{display:block}
.sb-search .hint{font-family:"JetBrains Mono";font-size:10px;color:var(--ink-mute);margin-top:6px;letter-spacing:.04em}

/* 3-level subgroup */
aside.sidebar .subgroup{}
aside.sidebar .subgroup > .sub-head{
  display:flex;align-items:center;gap:8px;
  padding:5px 22px 5px 42px;cursor:pointer;user-select:none;
  font-family:"JetBrains Mono";font-size:11px;color:var(--ink-soft);
  text-transform:uppercase;letter-spacing:.08em
}
aside.sidebar .subgroup > .sub-head:hover{color:var(--ink)}
aside.sidebar .subgroup > .sub-head .chev2{font-family:"JetBrains Mono";font-size:11px;color:var(--ink-mute);transition:transform .15s;margin-left:auto;margin-right:4px}
aside.sidebar .subgroup[data-open="true"] > .sub-head .chev2{transform:rotate(90deg)}
aside.sidebar .subgroup > ul{list-style:none;margin:0;padding:0;display:none}
aside.sidebar .subgroup[data-open="true"] > ul{display:block}
aside.sidebar .subgroup > ul li a{
  display:block;padding:6px 22px 6px 58px;text-decoration:none;color:var(--ink-soft);
  border-left:2px solid transparent;line-height:1.4;font-size:13px
}
aside.sidebar .subgroup > ul li a:hover{color:var(--ink);background:#F2EDE0}
aside.sidebar .subgroup > ul li a.active{
  color:var(--ink);font-weight:700;background:#fff;border-left-color:var(--accent)
}
aside.sidebar .subgroup > ul li a .lbl{display:block}
aside.sidebar .subgroup > ul li a .sub{display:block;font-family:"JetBrains Mono";font-size:10px;color:var(--ink-mute);margin-top:1px;letter-spacing:.04em}

/* Hide old single-list view when using subgroups */
aside.sidebar .section-group > ul.flat li a{padding-left:44px}

/* ── Search panel (slide-out beside sidebar) ── */
.search-panel{
  position:sticky;top:0;height:100vh;overflow:auto;
  border-right:1px solid var(--hairline);background:#fff;display:none;
  padding:0
}
.shell.search-open .search-panel{display:block}
.search-panel .sp-head{
  padding:18px 22px 12px;border-bottom:1px solid var(--hairline);
  position:sticky;top:0;background:#fff;z-index:1;
  display:flex;justify-content:space-between;align-items:center
}
.search-panel .sp-head .title{font-family:"JetBrains Mono";font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft)}
.search-panel .sp-head .count{font-family:"JetBrains Mono";font-size:11px;color:var(--ink-mute);margin-left:8px}
.search-panel .sp-head .close-btn{background:none;border:none;font-family:"JetBrains Mono";font-size:14px;cursor:pointer;color:var(--ink-soft)}
.search-panel .sp-empty{padding:40px 22px;text-align:center;font-family:"JetBrains Mono";font-size:12px;color:var(--ink-mute);line-height:1.6}
.search-panel .sp-result{
  border-bottom:1px solid var(--hairline);padding:14px 22px;cursor:pointer
}
.search-panel .sp-result:hover{background:var(--paper-soft)}
.search-panel .sp-result .crumb{font-family:"JetBrains Mono";font-size:10px;color:var(--ink-mute);text-transform:uppercase;letter-spacing:.1em;margin-bottom:4px}
.search-panel .sp-result .title{font-family:"Fraunces";font-size:16px;font-weight:500;color:var(--ink);margin-bottom:6px;display:block}
.search-panel .sp-result .snippet{font-size:12.5px;color:var(--ink-soft);line-height:1.55}
.search-panel .sp-result .snippet mark{background:#FFE9B3;color:var(--ink);padding:0 2px;border-radius:2px;font-weight:600}
.search-panel .sp-result .count{font-family:"JetBrains Mono";font-size:10px;color:var(--ink-mute);float:right}