body{margin:0;background:#0b1013;color:#eaf3fa;font:16px system-ui}
main{max-width:420px;margin:10vh auto;padding:32px;border:1px solid #29343c;border-radius:18px;background:#131c22}
h1{font-size:32px}p{line-height:1.6;color:#b4c7d4}input,button{box-sizing:border-box;width:100%;padding:14px;margin-top:12px;border-radius:8px}
input{background:#0b1217;border:1px solid #435561;color:white}button{background:#8bd0ff;color:#08141d;border:0;font-weight:700}label{display:block;margin-top:20px}