:root{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:#172b40;background:#eef3f7}body{margin:0}main{max-width:900px;margin:48px auto;padding:24px}header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}small{letter-spacing:3px;color:#436378}h1{margin:8px 0;font-size:36px}h2{margin-top:0}section{background:white;padding:28px;border-radius:16px;margin-bottom:20px;box-shadow:0 4px 20px #17355008}p{line-height:1.7;color:#4d6375}form{display:flex;gap:16px;align-items:end;flex-wrap:wrap}label{display:flex;flex:1;min-width:180px;flex-direction:column;gap:8px}input{padding:12px;border:1px solid #afbfcb;border-radius:8px;font:inherit;box-sizing:border-box;width:100%}button{cursor:pointer;background:#075b83;color:white;border:0;border-radius:8px;padding:13px 18px;font:inherit}button:disabled{opacity:.6;cursor:wait}#message{color:#ad332d;min-height:25px}#credentials{background:#eaf6ff;margin-top:24px;box-shadow:none}.device{padding:18px 0;border-bottom:1px solid #e1e7ee;display:flex;justify-content:space-between;gap:12px;align-items:center}.device strong{display:block}.device span{display:block;font-size:14px;color:#536a7c;margin-top:6px}.remove{background:#fff0ed;color:#8b3021}footer{color:#647886;font-size:13px;margin-top:28px}[hidden]{display:none!important}@media(max-width:600px){main{margin:12px auto;padding:16px}section{padding:20px}h1{font-size:28px}form{display:block}label,form button{margin-bottom:16px}}