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

body{
    background:#0b1020;
    height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
    color:white;
}

.container{
    width:100%;
    display:flex;
    justify-content:center;
    align-items:center;
}

.card{
    background:#131a2f;
    padding:40px;
    border-radius:20px;
    width:350px;
    text-align:center;
    box-shadow:0 0 30px rgba(0,0,0,.4);
}

h1{
    margin-bottom:10px;
}

p{
    margin-bottom:20px;
    color:#bfc7e0;
}

input{
    width:100%;
    padding:12px;
    margin:10px 0;
    border:none;
    border-radius:10px;
    outline:none;
    background:#1e2745;
    color:white;
}

button{
    width:100%;
    padding:12px;
    border:none;
    border-radius:10px;
    background:#4c6fff;
    color:white;
    cursor:pointer;
    font-weight:bold;
    transition:.2s;
}

button:hover{
    transform:translateY(-2px);
}

#message{
    margin-top:20px;
    font-weight:bold;
}