:root{font-family:Inter,Arial,sans-serif;color:#132039;background:#f4f6fa;font-size:16px}*{box-sizing:border-box}body{margin:0}header,footer{padding:24px 5%;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #dce1e9;background:#fff}.brand{font-weight:900;font-size:24px;letter-spacing:2px;text-decoration:none;color:inherit}.brand span{display:block;font-size:11px;letter-spacing:1.6px;margin-top:6px}main{max-width:1100px;margin:0 auto;padding:44px 24px;min-height:75vh}h1{font-size:clamp(32px,5vw,54px);letter-spacing:-1.7px;line-height:1.1;margin:12px 0 22px}h2{font-size:27px;line-height:1.2;margin:14px 0}h3{font-size:16px;margin:0 0 8px}p{line-height:1.65}.eyebrow{letter-spacing:2px;color:#4259aa;font-weight:700;font-size:13px}.muted,.meta{color:#626e80;font-size:14px}#login{max-width:700px;margin:6vh auto}label{display:block;margin:30px 0 10px;font-weight:700}.inputrow{display:flex;gap:10px}input{width:100%;min-width:0;border:1px solid #bec8d9;padding:15px;font-size:18px;border-radius:6px}button{font:inherit;cursor:pointer;padding:12px 20px;border:1px solid #bfc8d9;border-radius:6px;background:#fff;color:#172744}button[type=submit],button.active{background:#233a7b;color:white;border-color:#233a7b}button:disabled{opacity:.5;cursor:wait}button:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid #5275df;outline-offset:3px}nav{display:flex;gap:10px;flex-wrap:wrap;border-bottom:1px solid #d8dfeb;padding:0 0 20px}.language,.notice{padding:12px 16px;background:#e7edf9;border-left:3px solid #5472ce;font-size:14px}.topline{display:flex;justify-content:space-between;gap:20px;align-items:end}article{background:white;border:1px solid #dce1e9;border-radius:10px;padding:28px;margin:20px 0;display:grid;grid-template-columns:50px 1fr;gap:20px}.number{font-size:23px;color:#5870b0;font-weight:800}.assessment{padding:20px;background:#f1f5ff;margin:18px 0}.idea{border-top:1px solid #dce1e9;padding-top:16px}a{color:#2c4794}.codebox{background:white;padding:25px;border:1px solid #dce1e9;border-radius:8px;margin:24px 0}.codebox strong{display:block;font-family:monospace;font-size:24px;overflow-wrap:anywhere}#status{color:#993e24}footer{font-size:14px;border-top:1px solid #dce1e9;gap:20px}[hidden]{display:none!important}@media(max-width:650px){main{padding:24px 16px}.inputrow,.topline{display:block}.inputrow button{margin-top:12px;width:100%}article{grid-template-columns:1fr;padding:20px;gap:0}h2{font-size:24px}footer{align-items:start}.brand span{font-size:10px}}