body{font-family:Arial;background:#f5f5f5;margin:0;padding:20px;}
.container{max-width:480px;margin:auto;background:#fff;padding:20px;border-radius:14px;
box-shadow:0 6px 16px rgba(0,0,0,0.1);}
label{font-weight:600;margin-top:14px;display:block;}
select,input{width:100%;padding:12px;border-radius:10px;border:2px solid #ccc;margin-top:6px;}
button{width:100%;padding:14px;margin-top:20px;border:none;border-radius:10px;background:#0066ff;
color:white;font-size:16px;font-weight:600;}
.error{color:red;font-size:13px;display:none;}