*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:Arial,sans-serif;
}

body{
background:#f4f7fc;
display:flex;
justify-content:center;
align-items:center;
min-height:100vh;
padding:20px;
}

.register-box{
width:100%;
max-width:420px;
background:#fff;
padding:30px;
border-radius:15px;
box-shadow:0 10px 25px rgba(0,0,0,.1);
text-align:center;
}

.logo{
width:90px;
margin-bottom:15px;
}

h1{
color:#0033cc;
margin-bottom:8px;
}

.register-box p{
color:#666;
margin-bottom:20px;
}

.message{
background:#ffe5e5;
color:#cc0000;
padding:12px;
border-radius:8px;
margin-bottom:15px;
font-weight:bold;
}

input{
width:100%;
padding:14px;
margin-bottom:15px;
border:1px solid #ddd;
border-radius:10px;
font-size:15px;
outline:none;
transition:.3s;
}

input:focus{
border-color:#0033cc;
}

button{
width:100%;
padding:15px;
background:#0033cc;
color:#fff;
border:none;
border-radius:10px;
font-size:16px;
font-weight:bold;
cursor:pointer;
transition:.3s;
}

button:hover{
background:#001f99;
}

.bottom-text{
margin-top:20px;
}

.bottom-text a{
color:#0033cc;
text-decoration:none;
font-weight:bold;
}

.bottom-text a:hover{
text-decoration:underline;
}

@media(max-width:480px){

.register-box{
padding:20px;
}

.logo{
width:70px;
}

h1{
font-size:24px;
}

}