:root{--canvas:#f7f5ee;--paper:#fffefa;--ink:#23382e;--muted:#727a71;--faint:#969c91;--line:#e0e4d9;--green:#315b45;--soft:#edf1e7;--gold:#a78145;--rail:286px;font-synthesis:none;color-scheme:light}
*{box-sizing:border-box}html{scroll-padding-top:30px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--green);text-underline-offset:4px}button,input,select{font:inherit}p{margin:0 0 1em}h1,h2,h3,h4{line-height:1.22}h1,h2,h3,h4,p,ul,ol{overflow-wrap:break-word}a,button,summary,select{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible,select:focus-visible{outline:2px solid var(--green);outline-offset:5px}h1:focus{outline:none}[hidden]{display:none!important}.muted{color:var(--faint)}.skip-link{position:fixed;top:-100px;left:20px;z-index:20;padding:10px;background:var(--paper);border:1px solid var(--line)}.skip-link:focus{top:12px}
.sidebar{position:fixed;inset:0 auto 0 0;width:var(--rail);background:var(--canvas);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:34px 18px 18px;z-index:2}.brand{display:flex;gap:13px;align-items:center;color:var(--ink);text-decoration:none;font-family:Georgia,"Times New Roman",serif;font-size:24px;line-height:1.1;padding:0 14px}.brand-mark{width:39px;height:45px;display:grid;place-items:center;background:var(--green);color:var(--canvas);font-size:34px;font-style:italic;line-height:1;border-radius:2px}.brand small{font:9px/2.3 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;letter-spacing:.18em;color:var(--muted)}.rail-meta{font-size:11px;line-height:1.8;color:var(--muted);padding:23px 14px 24px}.lesson-list{overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#c8cfc1 transparent;margin:0 -6px 0 0;padding-right:6px}.lesson-group{margin-bottom:26px}.lesson-group h2{font-size:10px;letter-spacing:.085em;text-transform:uppercase;font-weight:650;color:var(--muted);margin:0 0 9px;padding:0 14px}.lesson-group h2 span{color:var(--gold);margin-right:5px}.lesson-list a{display:flex;align-items:baseline;gap:11px;text-decoration:none;padding:9px 12px;border:1px solid transparent;border-radius:5px;line-height:1.4;margin-bottom:2px;color:#5b685d}.lesson-list-number{font-size:10px;letter-spacing:.02em;color:#8c9589;flex:0 0 16px;font-variant-numeric:tabular-nums}.lesson-list strong{display:block;font-size:12px;font-weight:450}.lesson-list small{display:block;font-size:10px;color:var(--faint);margin-top:4px}.lesson-list a[aria-current]{background:#e8eddf;border-color:#dfe6d5;color:var(--ink)}.lesson-list a[aria-current] .lesson-list-number{color:var(--green)}.lesson-list a[aria-current] strong{font-weight:600}.rail-footer{padding:13px 14px 0;border-top:1px solid var(--line);color:var(--muted);font-size:10px;line-height:1.8;margin-top:auto}
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.lesson-heading{padding-bottom:40px}.lesson-meta{display:flex;align-items:center;gap:17px;font-size:10px;font-weight:650;letter-spacing:.12em;color:var(--green);margin-bottom:20px}.kind{font-size:10px;letter-spacing:.02em;font-weight:500;color:var(--muted);border:1px solid var(--line);border-radius:30px;padding:3px 9px}.lesson-heading h1{font-family:Georgia,"Times New Roman",serif;font-size:clamp(34px,3.7vw,48px);font-weight:400;line-height:1.12;letter-spacing:-.035em;margin:0 0 22px;max-width:760px;text-wrap:balance}.session-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:12px;color:var(--muted);line-height:1.6}.session-meta .dot{color:#bac1b3}.agenda{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:32px;padding:16px 0;gap:10px}.agenda div{display:flex;flex-direction:column;line-height:1.65;border-right:1px solid var(--line);padding-left:14px}.agenda div:first-child{padding-left:0}.agenda div:last-child{border-right:0}.agenda strong{font-size:11px;font-weight:600}.agenda span{font-size:10px;color:var(--muted);font-variant-numeric:tabular-nums}
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@media(min-width:1500px){main{max-width:1050px;padding-left:90px;padding-right:90px}:root{--rail:305px}.sidebar{padding-left:24px;padding-right:24px}}
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