:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#203f37;background:#f7f8f3;line-height:1.7}*{box-sizing:border-box}body{margin:0}a{color:#207969;text-underline-offset:4px}header,main,footer{max-width:1000px;margin:auto;padding:24px 28px}header{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid #dce4dd}nav{display:flex;gap:20px;flex-wrap:wrap}.brand{font-size:22px;font-weight:750;text-decoration:none}main{padding-top:52px}h1{font-size:clamp(30px,5vw,48px);line-height:1.25;letter-spacing:-.7px;margin:12px 0 24px}h2{font-size:21px;margin:0 0 14px}.eyebrow{color:#2e7b69;font-weight:650;letter-spacing:1px}.lead{font-size:19px;max-width:740px;color:#53685e}.primary{display:inline-block;padding:13px 22px;margin:12px 0 28px;border-radius:13px;background:#207969;color:white;font-weight:650;text-decoration:none}section{background:white;border:1px solid #dce4dd;border-radius:18px;padding:24px 28px;margin:20px 0}section p{max-width:760px}li{padding:4px 0}footer{color:#67786e;font-size:13px;border-top:1px solid #dce4dd}dl{margin:14px 0;padding:0}.crumbs{font-size:13px;color:#67786e;margin:0 0 14px}.crumbs a{color:#207969}dt{font-weight:650;margin-top:10px}dd{margin:2px 0 0;color:#44584f}ol,ul{padding-left:22px}small{color:#67786e}@media(max-width:600px){header,main,footer{padding:22px 18px}header{align-items:flex-start}nav{gap:10px;font-size:13px}section{padding:21px}h1{overflow-wrap:anywhere}}
:where(header,main,footer,section){min-width:0}header nav{min-width:0}main p,main li{overflow-wrap:anywhere}pre{max-width:100%;overflow-x:auto;white-space:pre;tab-size:4;padding:16px;background:#f4f7f5;border:1px solid #dce4dd;border-radius:10px;font-size:14px;line-height:1.6}code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}pre code{overflow-wrap:normal}.table-scroll{max-width:100%;overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:14px}th,td{padding:10px;text-align:left;vertical-align:top;border-bottom:1px solid #dce4dd}th{background:#f4f7f5}details{margin-top:18px;border-top:1px solid #dce4dd;padding-top:14px}summary{cursor:pointer;font-weight:600}details p{margin-bottom:0}.byline{font-size:14px;color:#67786e}

.lesson-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.lesson-actions .primary{margin:0}.lesson-actions>a{display:inline-block}