*{box-sizing:border-box}body{margin:0;background:#f2f5fa;color:#19283d;font:15px/1.6 system-ui,sans-serif}main{max-width:1120px;margin:auto;padding:28px}header{background:#142846;color:white;padding:24px;border-radius:16px}.brand{font-size:30px;font-weight:800;letter-spacing:2px}.brand span{font-size:16px;margin-left:18px;letter-spacing:1px}header p{margin:0;color:#c2d1e5}nav,.row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}nav{justify-content:flex-start;margin:20px 0}a{color:#225ac5}h1{font-size:28px}h2{font-size:20px}section{background:white;border:1px solid #e0e6ef;padding:24px;border-radius:14px;margin:16px 0}label{display:block;margin:14px 0;font-weight:600}input,textarea{display:block;width:100%;padding:12px;border:1px solid #c7d2e1;border-radius:8px;font:inherit;background:#fbfcfe}button{border:0;background:#2159bd;color:white;padding:12px 18px;border-radius:8px;cursor:pointer;font:600 14px system-ui;margin:8px 0}.muted{background:#e8eef8;color:#183d77}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.cards strong{font-size:20px}.cards section{margin:0}.badge{background:#e7effd;color:#264a86;border-radius:20px;padding:4px 12px;font-size:13px}aside{padding:14px;background:#fff0cc;border-radius:8px;margin:16px 0}.login{max-width:500px;margin:32px auto}.check{display:flex;gap:10px;align-items:center}.check input{width:auto}summary{cursor:pointer;color:#2458aa}article{max-width:780px}footer{color:#67778b;font-size:13px;margin-top:40px}code{overflow-wrap:anywhere}@media(max-width:700px){main{padding:14px}.cards{grid-template-columns:1fr}.brand span{display:block;margin:0}}

select{width:100%;padding:12px;border:1px solid #c7d2e1;border-radius:8px;font:inherit;background:#fbfcfe}button:disabled{opacity:.5;cursor:not-allowed}