/* Generated by tools/render_course.py — edit the template, not this file. */
:root{
  --ground:#f7f6f3; --surface:#fff; --surface-2:#efedE8; --ink:#1b1a17; --ink-2:#4a4740;
  --muted:#6f6b62; --rule:#e0ddd4; --rule-strong:#c9c4b8; --accent:#8a5a2b; --accent-soft:#f3ebe1;
  --code-bg:#1e1d1a; --code-ink:#e9e6df; --ok:#2f6f4f; --warn:#8a6112;
}
@media (prefers-color-scheme:dark){:root{
  --ground:#141412; --surface:#1c1b19; --surface-2:#252420; --ink:#ece9e2; --ink-2:#b9b4a9;
  --muted:#8d887d; --rule:#2e2c28; --rule-strong:#413e38; --accent:#d9a273; --accent-soft:#2a231c;
  --code-bg:#0f0f0d; --code-ink:#e9e6df; --ok:#71b894; --warn:#d7a94a;
}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ground);color:var(--ink);font-size:17px;line-height:1.65;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
.wrap{max-width:46rem;margin:0 auto;padding:0 1.15rem}
a{color:var(--accent);text-underline-offset:.2em}
h1,h2,h3,h4{line-height:1.2;margin:0;text-wrap:balance;letter-spacing:-.01em}
h1{font-size:clamp(1.7rem,5vw,2.5rem);font-weight:700}
h2{font-size:clamp(1.25rem,3.4vw,1.6rem);font-weight:650;margin:2.4rem 0 .8rem;padding-top:.6rem;border-top:1px solid var(--rule)}
h3{font-size:1.1rem;font-weight:650;margin:1.8rem 0 .6rem}
p,ul,ol,table,pre,.callout,.note{margin:0 0 1rem}
ul,ol{padding-left:1.3rem}
li{margin:.3rem 0}
code{font-family:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;font-size:.88em;
  background:var(--surface-2);border:1px solid var(--rule);border-radius:4px;padding:.06em .32em;
  overflow-wrap:anywhere}
pre{margin:0;background:none;color:var(--code-ink);padding:.15rem 1rem 1rem;
  overflow-x:auto;font-size:.86rem;line-height:1.6;-webkit-overflow-scrolling:touch}
pre code{background:none;border:0;padding:0;color:inherit;font-size:1em;overflow-wrap:normal}
.snippet{margin:0 0 1rem;background:var(--code-bg);border-radius:10px;overflow:hidden}
.snippet[data-lang="text"] pre{white-space:pre-wrap;overflow-wrap:anywhere}
.snippet-bar{display:flex;justify-content:space-between;align-items:center;gap:.5rem;
  min-height:1.9rem;padding:.4rem .7rem 0}
.snippet-lang{font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:#8d887d}
.copy{font:inherit;font-size:.72rem;color:#cfcabf;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);border-radius:6px;padding:.15rem .55rem;cursor:pointer}
.copy:hover{background:rgba(255,255,255,.18)}
.callout{background:var(--surface);border:1px solid var(--rule);border-left:3px solid var(--accent);
  border-radius:8px;padding:.9rem 1rem}
.callout .snippet{margin-left:-.35rem;margin-right:-.35rem}
.callout>*:last-child{margin-bottom:0}
.note{color:var(--ink-2);font-size:.94rem;border-left:2px solid var(--rule-strong);padding-left:.85rem}
.checklist{list-style:none;padding:0;margin:0 0 1rem;border:1px solid var(--rule);border-radius:8px;
  background:var(--surface);overflow:hidden}
.checklist li{margin:0;border-bottom:1px solid var(--rule)}
.checklist li:last-child{border-bottom:0}
.checklist label{display:flex;gap:.65rem;align-items:flex-start;padding:.6rem .85rem;cursor:pointer}
.checklist input{margin:.35rem 0 0;accent-color:var(--accent);width:1rem;height:1rem;flex:none}
.checklist input:checked+span{color:var(--muted);text-decoration:line-through}
.tablewrap{overflow-x:auto;margin:0 0 1rem;border:1px solid var(--rule);border-radius:8px}
table{border-collapse:collapse;width:100%;font-size:.9rem;background:var(--surface);margin:0}
th,td{text-align:left;padding:.55rem .7rem;border-bottom:1px solid var(--rule);vertical-align:top}
th{background:var(--surface-2);font-weight:650;white-space:nowrap}
tr:last-child td{border-bottom:0}
.eyebrow{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
header.top{border-bottom:1px solid var(--rule);background:var(--surface);position:sticky;top:0;z-index:5}
header.top .wrap{display:flex;align-items:center;gap:.75rem;min-height:3rem;font-size:.82rem}
header.top a{text-decoration:none;color:var(--ink-2)}
header.top a:hover{color:var(--accent)}
header.top .sep{color:var(--rule-strong)}
.cover{padding:2.6rem 0 1.6rem}
.lede{font-size:1.06rem;color:var(--ink-2);margin:.9rem 0 0}
.facts{display:flex;flex-wrap:wrap;gap:.5rem;margin:1.4rem 0 0;padding:0;list-style:none}
.facts li{background:var(--surface);border:1px solid var(--rule);border-radius:999px;
  padding:.25rem .7rem;font-size:.8rem;color:var(--ink-2)}
.actions{display:flex;flex-wrap:wrap;gap:.6rem;margin:1.4rem 0 0}
.btn{display:inline-block;text-decoration:none;font-size:.9rem;padding:.5rem .9rem;border-radius:8px;
  border:1px solid var(--rule-strong);color:var(--ink);background:var(--surface)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.toc{list-style:none;padding:0;margin:1.6rem 0 0;border-top:1px solid var(--rule)}
.toc li{border-bottom:1px solid var(--rule)}
.toc a{display:flex;gap:.8rem;align-items:baseline;padding:.75rem .2rem;text-decoration:none;color:inherit}
.toc a:hover{background:var(--surface)}
.toc .num{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.78rem;color:var(--muted);min-width:2.2rem}
.toc .name{flex:1;font-weight:550}
.toc .meta{font-size:.76rem;color:var(--muted);white-space:nowrap}
.toc .desc{display:block;font-weight:400;font-size:.85rem;color:var(--ink-2);margin-top:.15rem}
.unit-head{padding:2rem 0 .4rem}
.onpage{background:var(--surface);border:1px solid var(--rule);border-radius:10px;padding:.5rem .9rem;margin:1.4rem 0 2rem}
.onpage summary{cursor:pointer;font-size:.86rem;color:var(--ink-2);padding:.35rem 0}
.onpage ol{margin:.4rem 0 .5rem;font-size:.9rem}
.onpage a{color:var(--ink-2)}
nav.pager{display:flex;gap:.8rem;justify-content:space-between;margin:3rem 0 0;
  border-top:1px solid var(--rule);padding-top:1.2rem}
nav.pager a{flex:1;text-decoration:none;border:1px solid var(--rule);border-radius:10px;
  padding:.7rem .85rem;background:var(--surface);color:var(--ink)}
nav.pager a.next{text-align:right}
nav.pager .eyebrow{display:block;margin-bottom:.15rem}
footer{margin:3.5rem 0 0;border-top:1px solid var(--rule);background:var(--surface)}
footer .wrap{padding-top:1.3rem;padding-bottom:2.2rem;font-size:.82rem;color:var(--muted)}
footer a{color:var(--ink-2)}
@media print{header.top,nav.pager,.copy,.actions{display:none}body{background:#fff;font-size:11pt}}