:root{--ink:#071c3d;--muted:#52627a;--blue:#007dab;--line:#dce8ef;--pale:#edf8fd;--red:#a12e38}*{box-sizing:border-box}body{margin:0;background:#fff;color:var(--ink);font:16px/1.65 Arial,sans-serif}a{color:var(--blue);text-underline-offset:4px}button,input,textarea{font:inherit}button,a{touch-action:manipulation}button,.button{display:inline-flex;justify-content:center;align-items:center;gap:9px;background:var(--blue);color:#fff;border:1px solid transparent;border-radius:9px;padding:12px 21px;min-height:46px;font-weight:700;cursor:pointer;text-decoration:none}button:hover,.button:hover{background:#00658b}button:disabled{opacity:.6;cursor:wait}.outline{border:1px solid var(--line);padding:9px 17px;border-radius:8px;text-decoration:none;color:var(--ink)}.subtle{background:white;color:var(--ink);border-color:var(--line)}.subtle:hover{background:var(--pale)}:focus-visible{outline:3px solid #009ddb;outline-offset:4px}h1,h2,h3{margin:0 0 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42px;background:linear-gradient(145deg,#edf9ff,#d9eff9);border-radius:24px;min-height:540px;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:center}.welcome-panel>*{position:relative;z-index:1}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700;color:#376c88;margin-bottom:22px}.welcome-panel h2{font-size:46px;max-width:360px;margin-bottom:24px;line-height:1.1}.welcome-panel p{max-width:330px}.welcome-panel .welcome-foot{border-top:1px solid #b9d9e8;margin-top:55px;padding-top:22px;font-size:13px;max-width:340px}.auth-card{max-width:430px;width:100%;padding:12px 0}.intro{margin:14px 0 26px}.auth-card .eyebrow{margin-bottom:13px}.fields{display:grid;gap:18px}label{display:block;font-size:14px;font-weight:700;margin-bottom:7px}input,textarea{width:100%;border:1px solid #cbd9e3;border-radius:8px;padding:12px 14px;color:var(--ink);background:#fff;min-height:49px}input:focus,textarea:focus{border-color:var(--blue)}.password-wrap{position:relative}.password-wrap input{padding-right:73px}.password-toggle{position:absolute;right:5px;top:5px;background:transparent;color:var(--muted);border:0;padding:6px 10px;font-size:12px;min-height:38px}.password-toggle:hover{background:var(--pale);color:var(--ink)}.help{display:block;font-size:12px;color:var(--muted);margin-top:6px}.form-row{display:flex;justify-content:space-between;align-items:center;gap:14px;font-size:13px;margin:21px 0}.check{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:400;margin:0}.check input{width:16px;height:16px;min-height:16px;accent-color:var(--blue)}.wide{width:100%;margin-top:24px}.form-row+.wide{margin-top:0}.auth-switch{text-align:center;margin:23px 0 0;font-size:14px}.quiet{font-size:12px;margin-top:22px}.status{padding:13px 16px;border-radius:9px;background:#edf8f4;color:#235947;margin:18px 0}.error{background:#fff2f1;color:var(--red)}.status:empty{display:none}.link-row{margin-top:20px;font-size:14px}.stamp{display:grid;place-items:center;height:54px;width:54px;background:var(--pale);color:var(--blue);border-radius:50%;font-size:25px;margin-bottom:25px}.loading{padding:80px;text-align:center;color:var(--muted)}footer{max-width:1200px;margin:auto;padding:27px 34px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted)}footer strong{color:var(--ink)}.member-shell{max-width:1160px;margin:44px auto 70px;padding:0 32px}.member-top{display:flex;justify-content:space-between;align-items:center;gap:22px;margin-bottom:30px}.member-top .eyebrow{margin-bottom:10px}.member-top p{margin:0}.search{max-width:300px}.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.course-card{border:1px solid var(--line);border-radius:16px;padding:26px;text-decoration:none;display:flex;flex-direction:column;min-height:230px;color:var(--ink);background:linear-gradient(145deg,#f1faff,#fff)}.course-card:nth-child(3n+2){background:linear-gradient(145deg,#f5f3eb,#fff)}.course-card:nth-child(3n){background:linear-gradient(145deg,#eef5f1,#fff)}.course-card small{font-size:10px;letter-spacing:1.6px;color:var(--muted)}.course-card h2{margin:17px 0 12px;font-size:27px}.course-card p{font-size:12px;margin-top:auto;margin-bottom:10px}.course-card:hover{border-color:var(--blue);box-shadow:0 8px 25px #071c3d0a}progress{width:100%;height:7px;border:0;border-radius:8px;overflow:hidden;accent-color:var(--blue)}progress::-webkit-progress-bar{background:#dceaf1}progress::-webkit-progress-value{background:var(--blue)}.empty{padding:40px;border:1px solid var(--line);border-radius:16px}.study-shell{display:grid;grid-template-columns:280px 1fr;gap:28px;margin-top:25px}.curriculum{border:1px solid var(--line);border-radius:12px;padding:22px;align-self:start}.curriculum h2{font-size:24px;margin-bottom:15px}.curriculum small{font-size:12px;color:var(--muted)}.curriculum summary{cursor:pointer;font-weight:700;margin:20px 0 12px}.lesson-list{max-height:60vh;overflow:auto;display:grid;gap:6px;margin-top:12px}.lesson-list a{font-size:13px;line-height:1.45;text-decoration:none;color:var(--ink);padding:12px 10px;border-radius:8px;display:flex;gap:10px}.lesson-list a:hover,.lesson-list a[aria-current]{background:var(--pale)}.lesson-list span{font-size:10px;flex:none;color:var(--muted);padding-top:2px}.lesson-panel{border:1px solid var(--line);border-radius:12px;padding:36px;min-width:0}.lesson-panel h1{font-size:30px}.passage{font:19px/1.9 Georgia,serif;white-space:pre-wrap;margin:25px 0;color:#263c50}.video{border:0;width:100%;aspect-ratio:16/9;border-radius:10px;margin:20px 0}.workbook{display:grid;gap:25px;margin-top:28px}.workbook 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