:root{--navy:#162e49;--blue:#28598b;--muted:#5e6e80;--line:#dce4ed;--bg:#f5f7fa}*{box-sizing:border-box}body{margin:0;background:var(--bg);font:16px/1.6 system-ui,-apple-system,Segoe UI,sans-serif;color:var(--navy)}[hidden]{display:none!important}header{background:#fff;border-bottom:1px solid var(--line);padding:20px max(24px,calc((100vw - 1180px)/2));display:flex;gap:18px;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--navy);font-size:26px;font-weight:800}.brand>span{font-size:18px;font-weight:650}.brand small{display:block;font-size:9px;letter-spacing:1.5px;color:var(--muted)}#account{display:flex;gap:15px;align-items:center;font-size:13px;overflow-wrap:anywhere}main{max-width:1228px;margin:auto;padding:40px 24px}.loginLayout{display:grid;grid-template-columns:1.2fr 1fr;gap:75px;align-items:center;min-height:65vh}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700;color:var(--blue)}h1{font-size:44px;line-height:1.15;letter-spacing:-1px;margin:12px 0 22px}.intro h1{font-size:60px}.intro p{font-size:19px;max-width:480px;color:var(--muted)}h2{font-size:25px;margin:0 0 8px}p{margin:12px 0}.pills{display:flex;gap:8px;flex-wrap:wrap;margin-top:28px}.pills span,.badge{background:#e8eff6;border-radius:6px;padding:5px 10px;font-size:12px}.panel{padding:30px;border:1px solid var(--line);border-radius:18px;background:white;box-shadow:0 8px 25px #132d4a04}.muted,small{color:var(--muted)}.small{font-size:13px}label{display:block;font-size:14px;font-weight:650;margin:18px 0 7px}input,select{width:100%;border:1px solid #b5c3d4;background:white;border-radius:8px;padding:11px 12px;font:inherit;color:var(--navy)}button{font:inherit;border-radius:8px;padding:10px 16px;cursor:pointer}button:disabled{opacity:.55;cursor:default}.primary{border:1px solid var(--blue);background:var(--blue);color:white;font-weight:650}.quiet{border:1px solid #bdcad9;background:white;color:var(--navy)}.wide{width:100%;margin-top:22px}:focus-visible{outline:3px solid #dda734;outline-offset:3px}.error{color:#a22c27}.notice{background:#fff1cf;padding:16px;border-radius:9px}.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.between{justify-content:space-between}.courses{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin:30px 0}.course{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;max-width:570px}.course h2{margin:14px 0;font-size:24px}.course .label{font-size:12px;color:var(--blue);letter-spacing:1px}.course p{color:var(--muted);font-size:15px}.course button{margin-top:14px}.admin{margin:30px 0}.admin summary{cursor:pointer;font-size:20px;font-weight:650}.formgrid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px;margin-bottom:20px}.tablewrap{overflow:auto;margin-top:22px}table{width:100%;border-collapse:collapse;text-align:left;font-size:14px}th,td{padding:12px;border-bottom:1px solid var(--line)}tr button{border:0;background:transparent;text-align:left;color:var(--blue);padding:0;overflow-wrap:anywhere}.lessonBar{display:flex;align-items:center;gap:15px;margin-bottom:14px;flex-wrap:wrap}#cloudStatus{margin-left:auto;font-size:13px;color:var(--muted)}iframe{display:block;width:100%;height:calc(100vh - 180px);min-height:600px;border:1px solid var(--line);border-radius:12px;background:white}footer{color:var(--muted);font-size:12px;margin-top:38px}#lessonView{margin-top:-18px}#lessonTitle{font-weight:650}@media(max-width:760px){header{padding:16px;align-items:flex-start;flex-wrap:wrap}main{padding:25px 16px}.loginLayout{grid-template-columns:1fr;gap:25px}.intro h1{font-size:42px}.intro p{font-size:16px}.intro .pills{display:none}.panel{padding:22px}.formgrid{grid-template-columns:1fr;gap:0}h1{font-size:34px}.lessonBar{gap:8px}#cloudStatus{margin-left:0}iframe{height:80vh}.courses{grid-template-columns:1fr}#account{flex-wrap:wrap}}