/* ============================================================
   AGENTSEE RESEARCH NOTEBOOK — notebook-site.css
   The ONE self-contained stylesheet for every generated page.
   (section pages, home/landing, category + all listings, atlas)

   GENERATED PAGES LOAD ONLY THIS FILE + Google Fonts.
   Do NOT also load the old notebook.css / notebook-static.css.

   Mobile-first: base styles target a phone. min-width queries
   layer on the desktop sidebar (>=760px) and the comments rail
   (>=1100px). Every feature ADAPTS on small screens — nothing
   is hidden. Three themes via the [data-theme] attribute on
   <html> (default / atlas / journal), applied before paint by a
   tiny inline head script so there is no flash.

   Aesthetic carried over from notebook-preview.html (approved):
   dark frame chrome (topbar / sidebar / drawer / comments) wrapping
   a light reading well; Newsreader (display), Source Serif 4 (body),
   JetBrains Mono (mono); terracotta accent #b85a36, pink #d95a7f;
   type-coded badges. Atlas chrome carried over from notebook.css.
   ============================================================ */

/* ============================================================
   1. DESIGN TOKENS
   ============================================================ */
:root{
  /* Fonts */
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --serif:'Source Serif 4',Georgia,serif;
  --display:'Newsreader',Georgia,serif;
  /* Back-compat aliases (atlas3d / older markup reference these) */
  --serif-text:var(--serif);
  --body:var(--serif);

  /* Surface — light paper reading well */
  --well-bg:#faf8f4;
  --well-soft:#f5f0e6;
  --well-border:#e6dfcd;
  --well-bg-soft:var(--well-soft);   /* alias used by atlas/legacy */

  /* Frame — dark chrome */
  --frame-bg:#0e0d0b;
  --frame-soft:#16140f;
  --frame-border:#2a261e;
  --frame-bg-soft:var(--frame-soft); /* alias used by atlas/legacy */

  /* Ink (light-well text) */
  --ink:#2a2520;
  --ink-dim:#5a5347;
  --ink-faint:#8a8578;

  /* Frame (dark-chrome text) */
  --frame-ink:#e8e4df;
  --frame-ink-dim:#a8a29e;
  /* Aliases so chrome markup can use the parent-site token names too */
  --text:var(--frame-ink);
  --text-secondary:var(--frame-ink-dim);

  /* Accent system — terracotta + pink */
  --accent:#b85a36;
  --accent-soft:rgba(184,90,54,.10);
  --accent-rule:rgba(184,90,54,.35);
  --accent-ink:var(--accent);        /* alias used by atlas/legacy */
  --pink:#d95a7f;

  /* Panels & rules */
  --panel:#ffffff;                   /* atlas floating cards sit on white */
  --rule:var(--well-border);
  --rule-strong:#c8c0aa;

  /* Type-coded badge / node colors */
  --type-axiom:oklch(55% .12 260);
  --type-construct:oklch(55% .10 180);
  --type-mechanism:oklch(55% .13 20);
  --type-prediction:oklch(55% .13 140);
  --type-experiment:oklch(55% .14 80);
  --type-kill:oklch(45% .16 20);
  --type-positioning:oklch(50% .06 280);
  --type-gap:oklch(50% .04 60);
  --type-open:oklch(50% .04 60);

  /* Layout metrics */
  --topbar-h:52px;
  --sidebar-w:248px;
  --comments-w:340px;
  --reader-max:720px;
}

/* Theme: Atlas — lighter, cooler, more academic */
[data-theme="atlas"]{
  --well-bg:#eee8d9; --well-soft:#f5efe0;
  --accent:#3a5a9a; --accent-soft:rgba(58,90,154,.10); --accent-rule:rgba(58,90,154,.35);
}
/* Theme: Journal — warm high-contrast editorial */
[data-theme="journal"]{
  --well-bg:#fffaf0; --well-soft:#fbf3e3;
  --accent:#9a3a25; --accent-soft:rgba(154,58,37,.10); --accent-rule:rgba(154,58,37,.35);
}

/* ============================================================
   2. BASE / RESET
   ============================================================ */
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--serif);
  background:var(--well-bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;padding:0}
input,textarea{font:inherit;color:inherit;background:none;border:0;outline:0;padding:0}
a{color:var(--accent);text-underline-offset:2px}
img{max-width:100%;height:auto}
kbd{
  font-family:var(--mono);font-size:10px;padding:2px 5px;border-radius:3px;
  background:rgba(255,255,255,.06);border:1px solid var(--frame-border);color:var(--frame-ink-dim);
}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ============================================================
   3. TOPBAR (sticky dark frame) — on every page
   ============================================================ */
.topbar{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;gap:10px;
  height:var(--topbar-h);padding:0 12px;
  background:var(--frame-bg);border-bottom:1px solid var(--frame-border);
  color:var(--frame-ink);
}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:6px;color:var(--frame-ink-dim);
  transition:background .12s,color .12s;
}
.icon-btn:hover{background:rgba(255,255,255,.06);color:var(--frame-ink)}
.icon-btn svg{width:20px;height:20px}
.hamburger{display:inline-flex}              /* phone: visible; hidden >=760px */

.brand{display:flex;align-items:baseline;gap:7px;text-decoration:none;color:inherit;padding:4px 2px}
.brand:hover .mark{color:var(--pink)}
.brand .back{font-size:15px;color:var(--frame-ink-dim);transition:transform .15s,color .15s}
.brand:hover .back{transform:translateX(-3px);color:var(--pink)}
.brand .mark{font-family:var(--display);font-size:17px;font-weight:500;transition:color .15s}
.brand .sub{display:none;font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--frame-ink-dim)}

.tb-nav{display:none;gap:2px}                /* phone: hidden, lives in drawer */
.tb-nav a{padding:7px 12px;border-radius:5px;font-size:13px;color:var(--frame-ink-dim);text-decoration:none;transition:background .12s,color .12s}
.tb-nav a:hover{background:rgba(255,255,255,.05);color:var(--frame-ink)}
.tb-nav a.active{background:rgba(255,255,255,.08);color:var(--frame-ink)}

.tb-spacer{flex:1}

.tb-search{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 10px;border-radius:7px;
  background:rgba(255,255,255,.05);border:1px solid var(--frame-border);
  color:var(--frame-ink-dim);font-size:13px;
  transition:border-color .12s,background .12s;
}
.tb-search:hover{border-color:var(--pink);background:rgba(255,255,255,.07)}
.tb-search .label{display:none}              /* phone: search collapses to an icon button */
.tb-search svg{width:16px;height:16px;flex-shrink:0}

/* ============================================================
   4. MOBILE NAV DRAWER + SCRIM
   The drawer holds the SAME nav/filters/contents as the desktop
   sidebar so nothing is lost on a phone.
   ============================================================ */
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:60;opacity:0;pointer-events:none;transition:opacity .2s}
body.nav-open .scrim{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:min(86vw,320px);z-index:70;
  background:var(--frame-bg);border-right:1px solid var(--frame-border);color:var(--frame-ink);
  transform:translateX(-100%);transition:transform .22s ease;
  overflow-y:auto;-webkit-overflow-scrolling:touch;padding:14px 0 40px;
}
body.nav-open .drawer{transform:none}

/* ============================================================
   5. NAV / TOC PRIMITIVES (shared by drawer + desktop sidebar)
   ============================================================ */
.nav-block{padding:0 8px}
.nav-section-label{font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--pink);padding:14px 14px 8px}
.nav-link{display:block;padding:8px 14px;border-radius:5px;font-size:14px;color:var(--frame-ink-dim);text-decoration:none;transition:background .12s,color .12s}
.nav-link:hover{background:rgba(255,255,255,.04);color:var(--frame-ink)}
.nav-link.active{background:var(--accent-soft);color:var(--pink)}
.nav-divider{height:1px;background:var(--frame-border);margin:10px 14px}

/* Type-filter chips (in nav, and reused on listing/home pages) */
.filter-row{display:flex;flex-wrap:wrap;gap:5px;padding:4px 14px 8px}
.chip{
  display:inline-flex;align-items:center;gap:5px;padding:4px 9px;border-radius:999px;
  border:1px solid var(--frame-border);font-family:var(--mono);font-size:10px;letter-spacing:.04em;
  color:var(--frame-ink-dim);transition:border-color .12s,color .12s;
}
.chip:hover{border-color:rgba(255,255,255,.25);color:var(--frame-ink)}
.chip.active{border-color:currentColor;color:var(--frame-ink)}
.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--type-construct);flex-shrink:0}
/* Type dots inside any chip/badge, keyed by a type-* class on the chip OR its dot */
.chip.type-axiom .dot,.chip .dot.type-axiom{background:var(--type-axiom)}
.chip.type-construct .dot,.chip .dot.type-construct{background:var(--type-construct)}
.chip.type-mechanism .dot,.chip .dot.type-mechanism{background:var(--type-mechanism)}
.chip.type-prediction .dot,.chip .dot.type-prediction{background:var(--type-prediction)}
.chip.type-experiment .dot,.chip .dot.type-experiment{background:var(--type-experiment)}
.chip.type-kill .dot,.chip .dot.type-kill{background:var(--type-kill)}
.chip.type-positioning .dot,.chip .dot.type-positioning{background:var(--type-positioning)}
.chip.type-gap .dot,.chip .dot.type-gap{background:var(--type-gap)}
.chip.type-open .dot,.chip .dot.type-open{background:var(--type-open)}

/* ============================================================
   6. PAGE LAYOUT SHELLS
   .layout = section-page 3-zone shell (sidebar | reader | comments)
   .page   = generic centered reading column for home + listings
   ============================================================ */
.layout{display:block}        /* phone: single column; sidebar lives in the drawer */
.sidebar{display:none}        /* phone: hidden (drawer is used instead) */
.main{display:block}

.sidebar::-webkit-scrollbar{width:8px}
.sidebar::-webkit-scrollbar-thumb{background:var(--frame-border);border-radius:4px}

/* Generic page container (home, category index, all index) */
.page{max-width:880px;margin:0 auto;padding:22px 20px 80px}
.page-narrow{max-width:var(--reader-max)}

/* ============================================================
   7. READER (section page body) — light well
   ============================================================ */
.reader{max-width:var(--reader-max);margin:0 auto;padding:20px 20px 80px}

.crumbs{font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--ink-faint);padding:6px 0 18px;display:flex;gap:7px;flex-wrap:wrap;align-items:center}
.crumbs a{color:var(--ink-faint);text-decoration:none}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{opacity:.6}

.section-head{display:flex;align-items:flex-start;gap:12px;margin-bottom:10px}
.section-title{flex:1;font-family:var(--display);font-size:30px;font-weight:500;line-height:1.18;letter-spacing:-.012em;color:var(--ink);margin:0}

.section-tools{display:flex;gap:2px;flex-shrink:0}
.tool{width:36px;height:36px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;color:var(--ink-faint);transition:color .12s,background .12s}
.tool:hover{color:var(--accent);background:var(--accent-soft)}
.tool.on{color:var(--accent)}
.tool svg{width:18px;height:18px}

/* ---- Badges (preview style: .badge / .badge.type) ---- */
.badges{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 18px}
.badge{
  display:inline-flex;align-items:center;gap:5px;padding:3px 8px;border-radius:4px;
  font-family:var(--mono);font-size:10px;letter-spacing:.07em;text-transform:uppercase;
  background:var(--well-soft);color:var(--ink-dim);border:1px solid var(--rule);
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--type-construct);flex-shrink:0}
.badge.type{color:var(--type-construct);border-color:currentColor}
.badge.attr{color:var(--ink-faint)}            /* evidence / attribution badges */

/* ---- Badges (atlas / legacy style: .badge.tc.type-*) ----
   The atlas detail panel builds badges as .badge.tc.<typecls> with
   an inner .dot, so the site stylesheet must color these too. */
.badge.tc{color:var(--ink)}
.badge.tc .dot{width:6px;height:6px;border-radius:50%}
.badge.type.type-axiom,.badge.tc.type-axiom{color:var(--type-axiom)}
.badge.type.type-construct,.badge.tc.type-construct{color:var(--type-construct)}
.badge.type.type-mechanism,.badge.tc.type-mechanism{color:var(--type-mechanism)}
.badge.type.type-prediction,.badge.tc.type-prediction{color:var(--type-prediction)}
.badge.type.type-experiment,.badge.tc.type-experiment{color:var(--type-experiment)}
.badge.type.type-kill,.badge.tc.type-kill{color:var(--type-kill)}
.badge.type.type-positioning,.badge.tc.type-positioning{color:var(--type-positioning)}
.badge.type.type-gap,.badge.tc.type-gap{color:var(--type-gap)}
.badge.type.type-open,.badge.tc.type-open{color:var(--type-open)}
/* Each badge's dot inherits its type color */
.badge.type.type-axiom .dot,.badge.tc.type-axiom .dot{background:var(--type-axiom)}
.badge.type.type-construct .dot,.badge.tc.type-construct .dot{background:var(--type-construct)}
.badge.type.type-mechanism .dot,.badge.tc.type-mechanism .dot{background:var(--type-mechanism)}
.badge.type.type-prediction .dot,.badge.tc.type-prediction .dot{background:var(--type-prediction)}
.badge.type.type-experiment .dot,.badge.tc.type-experiment .dot{background:var(--type-experiment)}
.badge.type.type-kill .dot,.badge.tc.type-kill .dot{background:var(--type-kill)}
.badge.type.type-positioning .dot,.badge.tc.type-positioning .dot{background:var(--type-positioning)}
.badge.type.type-gap .dot,.badge.tc.type-gap .dot{background:var(--type-gap)}
.badge.type.type-open .dot,.badge.tc.type-open .dot{background:var(--type-open)}

/* ---- Claim callout ---- */
.claim{
  font-family:var(--display);font-size:18px;font-style:italic;line-height:1.5;color:var(--ink);
  padding:14px 18px;margin:0 0 16px;background:var(--accent-soft);
  border-left:3px solid var(--accent);border-radius:0 4px 4px 0;
}
.claim .lbl,.claim .claim-label{
  display:inline-block;font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);font-style:normal;margin-right:8px;vertical-align:1px;
}

/* ---- Falsifier ("This claim fails if") ---- */
.falsifier{margin:0 0 22px;padding:12px 16px;border:1px dashed var(--rule-strong);border-radius:5px;background:rgba(0,0,0,.02)}
.falsifier .lbl,.falsifier .f-label{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:5px}
.falsifier .txt,.falsifier .f-text{font-size:15px;line-height:1.6;color:var(--ink-dim);font-style:italic}

/* ---- Converted markdown body ---- */
.body{font-size:17px;line-height:1.72;color:var(--ink-dim)}
.body p{margin:0 0 15px}
.body h2{font-family:var(--display);font-size:19px;font-weight:600;color:var(--ink);margin:26px 0 10px;letter-spacing:0}
.body h3{font-family:var(--display);font-size:16px;font-weight:600;color:var(--ink);margin:18px 0 8px}
.body ul,.body ol{margin:8px 0 16px 20px;padding:0}
.body li{margin-bottom:6px}
.body strong{color:var(--ink);font-weight:600}
.body em{font-style:italic}
.body a{color:var(--accent);text-decoration:underline;text-underline-offset:2px;text-decoration-thickness:1px}
.body a:hover{color:var(--ink)}
.body code{font-family:var(--mono);font-size:14px;background:var(--well-soft);padding:1px 5px;border-radius:3px}
.body blockquote{margin:14px 0;padding:6px 16px;border-left:3px solid var(--rule-strong);color:var(--ink-dim);font-style:italic}
/* GFM tables (generated as <div class="table-wrap"><table>…). The wrapper lets a
   wide table scroll horizontally on a phone instead of breaking the layout. */
.body .table-wrap{margin:16px 0;overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--rule);border-radius:8px}
.body table{border-collapse:collapse;width:100%;min-width:520px;font-size:14px;line-height:1.5}
.body thead th{
  font-family:var(--mono);font-size:11px;letter-spacing:.04em;text-transform:uppercase;
  text-align:left;color:var(--ink);font-weight:600;background:var(--well-soft);
  padding:9px 12px;border-bottom:1px solid var(--rule-strong);vertical-align:bottom;white-space:nowrap;
}
.body tbody td{padding:9px 12px;color:var(--ink-dim);border-bottom:1px solid var(--rule);vertical-align:top}
.body tbody tr:last-child td{border-bottom:0}
.body tbody tr:nth-child(even) td{background:color-mix(in oklab,var(--well-soft) 45%,transparent)}
.body table strong{color:var(--ink)}

/* ---- Depends-on chips ---- */
.deps{margin-top:24px;padding-top:16px;border-top:1px solid var(--rule);display:flex;flex-wrap:wrap;gap:7px;align-items:center}
.deps .lbl,.deps .deps-label{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint);margin-right:4px}
.dep,.dep-chip{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;border:1px solid var(--rule);
  font-size:13px;color:var(--ink-dim);text-decoration:none;transition:color .12s,border-color .12s,background .12s;
}
.dep:hover,.dep-chip:hover{color:var(--accent);border-color:var(--accent);background:var(--accent-soft)}

/* ---- Prev / next in reading order ---- */
.prevnext{display:flex;gap:10px;margin-top:30px}
.pn{flex:1;display:block;padding:14px 16px;border:1px solid var(--rule);border-radius:8px;text-decoration:none;background:var(--well-soft);transition:border-color .12s}
.pn:hover{border-color:var(--accent)}
.pn .dir{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint)}
.pn .t{display:block;margin-top:4px;font-family:var(--display);font-size:15px;color:var(--ink)}
.pn.next{text-align:right}
.pn.placeholder{visibility:hidden}            /* keeps the row balanced when one side is missing */

/* ============================================================
   8. COMMENTS REGION (dark frame; right rail on desktop)
   On a phone it flows inline below the reader.
   ============================================================ */
.comments{background:var(--frame-bg);color:var(--frame-ink);padding:24px 20px 40px}
.comments-inner{max-width:var(--reader-max);margin:0 auto}
.comments h2{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--frame-ink-dim);margin:0 0 16px;padding-bottom:12px;border-bottom:1px solid var(--frame-border);font-weight:400}

/* Comment thread items + post form (rendered by comments-static.js into .comments).
   Ported from the old notebook-static.css and re-palette'd to the comments rail. */
.nb-c-title{font-family:var(--display);font-size:18px;color:var(--frame-ink);margin:0 0 14px}
.nb-c-list{list-style:none;padding:0;margin:0 0 20px}
.nb-c-item{padding:12px 0;border-bottom:1px solid var(--frame-border)}
.nb-c-item:last-child{border-bottom:none}
.nb-c-meta{display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-family:var(--mono);font-size:11px;color:var(--frame-ink-dim);margin-bottom:4px}
.nb-c-who{color:var(--frame-ink)}
.nb-c-body{color:var(--frame-ink-dim);font-size:15px;line-height:1.6}
.nb-c-body p{margin:0 0 10px}
.nb-c-body p:last-child{margin-bottom:0}
.nb-c-empty{color:var(--frame-ink-dim);font-size:14px;margin-bottom:18px}
.nb-c-form{display:flex;flex-direction:column;gap:8px}
.nb-c-name,.nb-c-text,.nb-c-email{font-family:inherit;font-size:15px;padding:9px 11px;background:var(--panel);border:1px solid var(--frame-border);border-radius:4px;color:var(--ink);width:100%;box-sizing:border-box}
.nb-c-text{resize:vertical;min-height:72px}
.nb-c-email{font-size:13.5px}
.nb-c-name:focus,.nb-c-text:focus,.nb-c-email:focus{outline:none;border-color:var(--accent)}
.nb-c-row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.nb-c-status{font-size:12.5px;color:var(--frame-ink-dim)}
.nb-c-submit{font-family:var(--mono);font-size:12px;letter-spacing:.04em;padding:8px 18px;background:var(--accent);color:#fff;border:none;border-radius:4px;cursor:pointer}
.nb-c-submit:hover{filter:brightness(1.08)}
.nb-c-submit:disabled{opacity:.5;cursor:default}
/* --- CM3: threading, author badge, owner tools --- */
.nb-c-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.nb-c-owner{font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--frame-ink-dim);background:none;border:1px solid var(--frame-border);border-radius:4px;padding:3px 8px;cursor:pointer}
.nb-c-owner:hover{color:var(--frame-ink);border-color:var(--frame-ink-dim)}
.nb-c-owner.on{color:var(--accent);border-color:var(--accent)}
.nb-c-badge{font-size:9.5px;letter-spacing:.06em;text-transform:uppercase;color:#fff;background:var(--accent);border-radius:3px;padding:1px 6px}
.nb-c-del{margin-left:auto;background:none;border:none;color:var(--frame-ink-dim);font-size:16px;line-height:1;padding:0 4px;cursor:pointer}
.nb-c-del:hover{color:var(--accent)}
.nb-c-del:disabled{opacity:.4;cursor:default}
.nb-c-actions{margin-top:6px}
.nb-c-reply-btn{font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--frame-ink-dim);background:none;border:none;padding:0;cursor:pointer}
.nb-c-reply-btn:hover{color:var(--accent)}
.nb-c-replies{list-style:none;margin:10px 0 0;padding:0 0 0 16px;border-left:2px solid var(--frame-border)}
.nb-c-replies .nb-c-item{padding:10px 0;border-bottom:none}
.nb-c-replies .nb-c-item + .nb-c-item{border-top:1px solid var(--frame-border)}
.nb-c-reply-slot:empty{display:none}
.nb-c-reply-slot .nb-c-form{margin-top:10px;padding:10px;background:var(--panel);border:1px solid var(--frame-border);border-radius:5px}
.nb-c-cancel{font-family:var(--mono);font-size:11px;color:var(--frame-ink-dim);background:none;border:none;cursor:pointer}
.nb-c-cancel:hover{color:var(--frame-ink)}

.cmt{background:var(--frame-soft);border:1px solid var(--frame-border);border-radius:6px;padding:12px 14px;margin-bottom:10px;font-size:14px;line-height:1.55}
.cmt .who{display:flex;gap:8px;align-items:baseline;margin-bottom:6px;font-family:var(--mono);font-size:11px;color:var(--pink)}
.cmt .who .when{margin-left:auto;color:var(--frame-ink-dim);opacity:.7}
.cmt.author{border-color:var(--pink);background:rgba(217,90,127,.07)}
.cmt.author .tag{padding:1px 6px;border-radius:3px;font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:var(--pink);border:1px solid var(--pink)}

.add{width:100%;padding:11px;border:1px dashed var(--frame-border);border-radius:6px;font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--frame-ink-dim);transition:color .12s,border-color .12s}
.add:hover{color:var(--pink);border-color:var(--pink)}

/* Comment composer (rendered by comments-static.js) */
.cmt-form{display:flex;flex-direction:column;gap:8px;padding:12px;background:var(--frame-soft);border:1px solid var(--frame-border);border-radius:6px;margin-bottom:10px}
.cmt-form input,.cmt-form textarea{background:var(--frame-bg);border:1px solid var(--frame-border);border-radius:4px;padding:8px 10px;font-size:13px;color:var(--frame-ink)}
.cmt-form input::placeholder,.cmt-form textarea::placeholder{color:var(--frame-ink-dim);opacity:.7}
.cmt-form input:focus,.cmt-form textarea:focus{border-color:var(--pink)}
.cmt-form textarea{min-height:74px;resize:vertical;font-family:var(--serif)}
.cmt-form .row{display:flex;gap:6px;justify-content:flex-end}
.cmt-form button{padding:6px 13px;border-radius:4px;font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--frame-ink-dim);border:1px solid var(--frame-border)}
.cmt-form button:hover{color:var(--frame-ink)}
.cmt-form button.primary{background:var(--pink);color:#fff;border-color:var(--pink)}
.cmt-form button.primary:hover{filter:brightness(.95)}
.cmt-status{font-family:var(--mono);font-size:11px;color:var(--frame-ink-dim)}
.cmt-status.error{color:var(--pink)}

/* ============================================================
   9. HOME / LANDING PAGE
   Topbar chrome + hero intro + full section list grouped by
   category + type-filter chips + search trigger + atlas link.
   ============================================================ */
.nb-hero{padding:30px 0 26px;border-bottom:1px solid var(--rule);margin-bottom:24px}
.nb-hero .kicker{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:16px}
.nb-hero .kicker .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.nb-hero h1{font-family:var(--display);font-size:34px;font-weight:500;line-height:1.16;letter-spacing:-.014em;color:var(--ink);margin:0 0 14px}
.nb-hero .lede{font-size:17px;line-height:1.65;color:var(--ink-dim);max-width:60ch;margin:0 0 20px}
.nb-hero .actions{display:flex;flex-wrap:wrap;gap:10px}
.nb-hero .stats{display:flex;gap:26px;flex-wrap:wrap;font-family:var(--mono);font-size:10.5px;letter-spacing:.04em;color:var(--ink-faint);margin-top:18px}
.nb-hero .stat strong{display:block;font-family:var(--display);font-size:22px;font-weight:500;color:var(--ink);margin-bottom:2px}
.nb-hero .kicker .hero-ver{margin-left:auto;color:var(--ink-faint)}
.nb-hero .accent-em{font-style:italic;color:var(--accent-ink)}
/* Tiny per-page provenance (version + created/updated), top-right of a section page */
.page-meta{font-family:var(--mono);font-size:10px;letter-spacing:.04em;color:var(--ink-faint);text-align:right;margin:0 0 12px}

/* Buttons used on light surfaces (hero actions, atlas link, etc.) */
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 15px;border-radius:7px;font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;text-decoration:none;border:1px solid var(--rule-strong);color:var(--ink-dim);transition:border-color .12s,color .12s,background .12s}
.btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.btn svg{width:15px;height:15px}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{filter:brightness(.95);color:#fff}

/* Type-filter chip row on light pages (home/listing).
   Reuses .chip markup but recolors for the light well. */
.filter-bar{display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0 0 22px}
.filter-bar .chip{border-color:var(--rule-strong);color:var(--ink-faint)}
.filter-bar .chip:hover{border-color:var(--accent);color:var(--accent)}
.filter-bar .chip.active{border-color:currentColor;color:var(--ink)}

/* ============================================================
   10. LISTING PRIMITIVES (home category groups, category index,
   all index) — real anchor links, filterable.
   ============================================================ */
.nb-cat-group{margin:0 0 8px}
.nb-cat-head{display:flex;gap:16px;align-items:baseline;padding:28px 0 12px;margin-top:8px;border-bottom:1px dashed var(--rule)}
.nb-cat-head .num{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;color:var(--ink-faint);padding-top:3px;flex-shrink:0}
.nb-cat-head .title{flex:1}
.nb-cat-head h2{font-family:var(--display);font-size:20px;font-weight:500;color:var(--ink);margin:0 0 4px;letter-spacing:-.005em}
.nb-cat-head h2 a{color:inherit;text-decoration:none}
.nb-cat-head h2 a:hover{color:var(--accent)}
.nb-cat-head .desc{font-size:13.5px;line-height:1.55;color:var(--ink-dim)}
.nb-cat-head .count{font-family:var(--mono);font-size:10px;color:var(--ink-faint);opacity:.7}

.nb-list{list-style:none;margin:0;padding:0}
.nb-list-item{position:relative;padding:16px 0;border-bottom:1px solid var(--rule);transition:opacity .15s}
.nb-list-item.dim{opacity:.28;filter:grayscale(.4)}        /* dimmed by type filter */
.nb-list-item.hide{display:none}                            /* hidden by type filter */
/* Canonical filter classes toggled by notebook-site.js initFilters: */
.nb-hidden{display:none !important}                          /* listing items + empty groups hidden by type filter */
.nav-link.nb-dim{opacity:.3}                                 /* sidebar nav-links dimmed (not hidden) by type filter */
.nb-list-item > a{display:block;text-decoration:none;color:inherit}
.nb-list-item .it-head{display:flex;align-items:baseline;gap:10px}
.nb-list-item .it-title{flex:1;font-family:var(--display);font-size:18px;font-weight:500;line-height:1.3;color:var(--ink);letter-spacing:-.004em;transition:color .12s}
.nb-list-item > a:hover .it-title{color:var(--accent)}
.nb-list-item .it-claim{margin-top:5px;font-size:14.5px;line-height:1.55;color:var(--ink-dim)}
.nb-list-item .it-badges{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}

/* Empty state when a filter matches nothing */
.nb-empty{padding:40px 0;text-align:center;font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--ink-faint)}

/* ============================================================
   11. COMMAND PALETTE (search) — opened by search button / Cmd-K / "/"
   ============================================================ */
.cmdk-scrim{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:90;display:none;align-items:flex-start;justify-content:center;padding:10vh 16px 16px}
.cmdk-scrim.open{display:flex}
.cmdk{width:min(620px,100%);background:var(--frame-soft);border:1px solid var(--frame-border);border-radius:10px;box-shadow:0 24px 60px rgba(0,0,0,.55);overflow:hidden;color:var(--frame-ink)}
.cmdk-top{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--frame-border)}
.cmdk-top svg{width:18px;height:18px;color:var(--frame-ink-dim);flex-shrink:0}
.cmdk-top input{flex:1;font-size:16px;color:var(--frame-ink)}
.cmdk-top input::placeholder{color:var(--frame-ink-dim)}
.cmdk-list{max-height:48vh;overflow-y:auto;padding:6px}
.cmdk-item{display:flex;align-items:baseline;gap:10px;padding:10px 12px;border-radius:6px;cursor:pointer;text-decoration:none}
.cmdk-item.active{background:rgba(255,255,255,.07)}
.cmdk-item .kind{font-family:var(--mono);font-size:9.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--pink);width:96px;flex-shrink:0}
.cmdk-item .t{font-family:var(--display);font-size:15px;color:var(--frame-ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cmdk-item .c{margin-left:auto;font-size:11px;color:var(--frame-ink-dim);flex-shrink:0}
.cmdk-empty{padding:26px;text-align:center;font-family:var(--mono);font-size:12px;color:var(--frame-ink-dim)}
.cmdk-foot{display:flex;gap:16px;padding:10px 16px;border-top:1px solid var(--frame-border);font-size:11px;color:var(--frame-ink-dim);flex-wrap:wrap}

/* ============================================================
   12. ATLAS (dependency graph) — chrome carried over from
   notebook.css; consumed by atlas2d.js / atlas3d.js verbatim.
   ============================================================ */
/* The atlas page must give .atlas a real height so the canvas can
   be measured. The generator adds class "atlas-page" to <body>. */
body.atlas-page{height:100vh;overflow:hidden}
body.atlas-page .layout,
body.atlas-page .main,
body.atlas-page .atlas-host{height:calc(100vh - var(--topbar-h))}
.atlas-host{position:relative;overflow:hidden;background:var(--well-bg)}

.atlas{display:grid;grid-template-rows:auto 1fr;grid-template-columns:minmax(0,1fr);height:100%}
.atlas-chrome{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:22px 32px 14px;border-bottom:1px solid var(--rule);background:var(--well-bg)}
.atlas-chrome .sub{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:4px}
.atlas-chrome h2{font-family:var(--display);font-size:22px;font-weight:500;color:var(--ink);margin:0 0 4px;letter-spacing:-.005em}
.atlas-chrome .desc{font-size:12.5px;color:var(--ink-dim);max-width:56ch}

.atlas-legend{display:flex;flex-direction:column;gap:4px;font-family:var(--mono);font-size:10px;letter-spacing:.06em;color:var(--ink-faint)}
.atlas-legend .li{display:flex;align-items:center;gap:6px}
.atlas-legend .swatch{width:10px;height:10px;border-radius:50%;display:inline-block;flex-shrink:0}

.atlas-canvas{grid-row:2;grid-column:1;position:relative;background:var(--well-bg);overflow:hidden}
.atlas-svg{position:absolute;inset:0;width:100%;height:100%}

.atlas-link{fill:none;stroke:var(--rule-strong);stroke-width:.7;opacity:.45;transition:stroke .12s,opacity .12s,stroke-width .12s}
.atlas-link.highlight{stroke:var(--accent);stroke-width:1.4;opacity:.95}
.atlas-link.dim{opacity:.08}

.atlas-node{cursor:pointer}
.atlas-node circle{transition:r .12s}
.atlas-node.dim{opacity:.22}
.atlas-node.linked circle{stroke:var(--accent);stroke-width:1.3}
.atlas-node.selected circle{stroke:var(--ink);stroke-width:2}
.atlas-node text{transition:opacity .15s}

.atlas-controls{position:absolute;bottom:16px;right:16px;display:flex;gap:4px;background:var(--panel);border:1px solid var(--rule);border-radius:5px;padding:3px}
.atlas-controls button{width:28px;height:28px;border-radius:3px;color:var(--ink-dim);font-family:var(--mono);font-size:13px}
.atlas-controls button:hover{background:var(--well-soft);color:var(--ink)}

/* The detail card shares the canvas grid cell (floats top-right over the graph)
   on desktop; on mobile (section 15) the grid collapses to a block and the card
   flows BELOW the graph so the constellation stays fully visible above it. */
.atlas-detail{grid-row:2;grid-column:1;align-self:start;justify-self:end;margin:16px;position:relative;width:320px;background:var(--panel);border:1px solid var(--rule);border-radius:5px;padding:16px;box-shadow:0 12px 32px rgba(0,0,0,.12);display:none;max-height:calc(100% - 32px);overflow-y:auto;z-index:4}
.atlas-detail.open{display:block}
.atlas-detail .close{position:absolute;top:8px;right:8px;padding:4px;color:var(--ink-faint)}
.atlas-detail .close:hover{color:var(--ink)}
.atlas-detail .close svg{width:16px;height:16px}
.atlas-detail .label{font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:4px}
.atlas-detail h3{font-family:var(--display);font-size:16.5px;font-weight:500;color:var(--ink);margin:0 0 6px}
.atlas-detail .claim-mini{font-family:var(--display);font-size:13px;font-style:italic;color:var(--ink-dim);line-height:1.55;margin-bottom:12px}

.btn-open{padding:7px 12px;border-radius:4px;background:var(--accent);color:#fff;font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase}
.btn-open:hover{filter:brightness(.95)}

.linked-list{margin-top:14px;padding-top:12px;border-top:1px solid var(--rule)}
.linked-list .hdr{font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:6px}
.linked-list button{display:block;width:100%;padding:5px 8px;border-radius:3px;font-size:12px;color:var(--ink-dim);text-align:left}
.linked-list button:hover{background:var(--well-soft);color:var(--accent)}

/* ============================================================
   13. TABLET >=760px — bring back the persistent sidebar
   ============================================================ */
@media (min-width:760px){
  .hamburger{display:none}
  .brand .sub{display:inline}
  .tb-nav{display:flex}
  .tb-search{min-width:240px}
  .tb-search .label{display:inline;flex:1;text-align:left}
  .scrim,.drawer{display:none}

  /* Section page: sidebar | reader */
  .layout{display:grid;grid-template-columns:var(--sidebar-w) minmax(0,1fr);align-items:start}
  .sidebar{
    display:block;position:sticky;top:var(--topbar-h);max-height:calc(100vh - var(--topbar-h));
    overflow-y:auto;background:var(--frame-bg);border-right:1px solid var(--frame-border);
    color:var(--frame-ink);padding:10px 0 40px;
  }
  .reader{padding:26px 36px 90px}
  .section-title{font-size:34px}

  /* Roomier interior on listing/home pages */
  .page{padding:26px 36px 90px}
  .nb-hero h1{font-size:40px}

  /* Atlas: sidebar | graph */
  body.atlas-page .layout{height:calc(100vh - var(--topbar-h))}
  body.atlas-page .main{height:100%;min-width:0}
}

/* ============================================================
   14. DESKTOP >=1100px — add the right-hand comments rail
   ============================================================ */
@media (min-width:1100px){
  .main{display:grid;grid-template-columns:minmax(0,1fr) var(--comments-w)}
  .comments{position:sticky;top:var(--topbar-h);max-height:calc(100vh - var(--topbar-h));overflow-y:auto;border-left:1px solid var(--frame-border)}
  .comments-inner{max-width:none}

  /* Atlas spans full width (it has no comments rail) */
  body.atlas-page .main{display:block}
}

/* ============================================================
   15. ATLAS ON MOBILE (<=760px) — the constellation is its own
   tall "screen", and the node detail flows BELOW it so the page
   extends (scrolls) instead of the popup covering the graph.
   ============================================================ */
@media (max-width:760px){
  /* Release the full-viewport height-lock so the atlas page can scroll.
     (The topbar is position:sticky, so it stays put while you scroll.) */
  body.atlas-page{height:auto;overflow:visible}
  body.atlas-page .layout,
  body.atlas-page .main,
  body.atlas-page .atlas-host{height:auto;overflow:visible}
  .atlas{display:block;height:auto}
  .atlas-chrome{flex-direction:column;padding:16px 18px}
  .atlas-legend{flex-flow:row wrap;gap:8px 12px}
  /* The graph keeps a near-full-screen fixed height: a real constellation you
     can pan/pinch, that stays visible above the detail after you tap a node. */
  .atlas-canvas{height:72vh;min-height:380px}
  /* Detail is no longer an overlay — it drops into normal flow under the graph,
     full-bleed, with no internal scroll cap (the page scrolls instead). It keeps
     position:relative from the base rule so its close button stays anchored. */
  .atlas-detail{margin:0;width:auto;max-height:none;border:0;border-top:1px solid var(--rule);border-radius:0;box-shadow:none;z-index:auto}
}

/* ============================================================
   15b. SMALL-PHONE TYPE TWEAKS
   ============================================================ */
@media (max-width:520px){
  body{font-size:15px}
  .section-title{font-size:26px}
  .nb-hero h1{font-size:28px}
  .prevnext{flex-direction:column}
  .pn.placeholder{display:none}
}

/* ============================================================
   16. MOTION / PRINT
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .brand .back{transition:none}
}
@media print{
  .topbar,.sidebar,.drawer,.scrim,.comments,.cmdk-scrim,.section-tools,.prevnext,.atlas-controls{display:none !important}
  body{background:#fff;color:#000}
  .reader,.page{max-width:none;padding:0}
}
