/* Lecture notes pages: the course site's palette and type, set for long reading. */
main.notes{padding-block:44px 64px}
.notes article{max-width:760px;margin:0 auto}
.notes h1{font-size:clamp(32px,5vw,46px);line-height:1.12;margin:0 0 28px}
.notes h2{font-family:var(--font-display);font-size:28px;line-height:1.2;margin:44px 0 14px}
.notes h3{font-family:var(--font-display);font-size:22px;line-height:1.25;margin:32px 0 10px}
.notes h4{font-family:var(--font-sans);font-size:15px;letter-spacing:.04em;text-transform:uppercase;
  color:var(--ink-soft);margin:26px 0 8px}
.notes article > h1:not(:first-child){font-size:clamp(28px,4vw,36px);margin-top:56px}
.notes p{margin:0 0 16px}
.notes ul,.notes ol{margin:0 0 16px 1.4em}
.notes li{margin:4px 0}
.notes li > p{margin:0 0 6px}
.notes hr{border:0;border-top:1px solid var(--rule);margin:40px 0}
.notes blockquote{margin:18px 0;padding:10px 18px;border-left:3px solid var(--accent);
  background:var(--bg-alt);border-radius:0 8px 8px 0}
.notes blockquote p:last-child{margin-bottom:0}
.notes strong{font-weight:700}
.notes a{color:var(--accent)}
.notes a.slide-link{text-decoration:underline;text-decoration-style:dotted;text-underline-offset:3px}
.notes a.slide-link:hover{text-decoration-style:solid}
.notes table{border-collapse:collapse;margin:8px 0 22px;font-size:16px;width:100%;display:block;overflow-x:auto}
.notes th,.notes td{border-bottom:1px solid var(--rule);padding:7px 12px;text-align:left;vertical-align:top}
.notes th{font-family:var(--font-sans);font-size:14px;color:var(--ink-soft)}
.notes code{font-family:var(--font-mono);font-size:.9em;background:var(--bg-alt);padding:1px 5px;border-radius:4px}
.notes span.math.display{display:block;overflow-x:auto;overflow-y:hidden;margin:14px 0;padding:2px 0}
.notes .katex{font-size:1.06em}
.notes .katex-display{margin:0}
.notes .math-error{color:var(--accent)}

/* ---------- outline ---------- */
.toc{font-family:var(--font-sans);font-size:14px;line-height:1.35;margin:0 auto 26px;max-width:760px}
.toc details{border:1px solid var(--rule);border-radius:10px;background:var(--bg-alt);padding:10px 14px}
.toc summary{cursor:pointer;font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft)}
.toc summary:hover{color:var(--accent)}
.toc-list{list-style:none;margin:10px 0 2px;padding:0}
.toc-list li{margin:0}
.toc-list a{display:block;padding:4px 8px 4px 12px;border-left:2px solid transparent;color:var(--ink-soft);text-decoration:none}
.toc-list a:hover{color:var(--accent)}
.toc-list a.active{color:var(--ink);border-left-color:var(--accent);font-weight:600}
.toc-h1 a{font-size:11.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;margin-top:14px}
.toc-h1:first-child a{margin-top:0}
.toc-h1 a .katex{text-transform:none}
.toc-h3 a{padding-left:26px;font-size:13px}
.toc .katex{font-size:1em}
@media (min-width:1100px){
  main.wrap.notes{max-width:1160px;display:grid;grid-template-columns:250px minmax(0,760px);gap:0 56px;justify-content:center}
  .notes article{margin:0;min-width:0}
  .toc{position:sticky;top:84px;align-self:start;margin:6px 0 0;max-width:none}
  .toc details{border:0;background:none;padding:0}
  .toc summary{display:block;list-style:none;cursor:default;pointer-events:none;margin-bottom:4px}
  .toc summary::-webkit-details-marker{display:none}
  .toc-list{max-height:calc(100vh - 140px);overflow-y:auto;position:relative;margin-top:6px;padding-right:6px}
}