body{
    background:#0f172a;
    display:flex;
    justify-content:center;
    align-items:center;
    height:100vh;
    font-family:Arial;
}

.box{
    background:#1e293b;
    padding:30px;
    border-radius:15px;
    width:350px;
}

h1{
    color:white;
    margin-bottom:20px;
}

input{
    width:100%;
    padding:12px;
    margin-bottom:15px;
    border:none;
    border-radius:10px;
    background:#334155;
    color:white;
}

button{
    width:100%;
    padding:12px;
    border:none;
    border-radius:10px;
    background:#3b82f6;
    color:white;
    cursor:pointer;
}

.error{
    color:#ff6b6b;
    margin-bottom:15px;
}