body{
    margin:0;
    padding:0;
    font-family:Arial,Helvetica,sans-serif;

    background:#f5f7fa;

    display:flex;

    justify-content:center;

    align-items:center;

    height:100vh;
}

.loginBox{

    width:420px;

    background:white;

    border-radius:15px;

    box-shadow:0 10px 30px rgba(0,0,0,.15);

    padding:40px;

    text-align:center;
}

.logo{

    width:90px;

    margin-bottom:15px;
}

.loginBox h1{

    margin:0;

    color:#1d3557;
}

.loginBox h3{

    color:#666;

    font-weight:normal;

    margin-bottom:30px;
}

input{

    width:100%;

    padding:12px;

    margin-top:12px;

    border:1px solid #ccc;

    border-radius:8px;

    font-size:15px;

    box-sizing:border-box;
}

button{

    width:100%;

    padding:12px;

    margin-top:20px;

    border:none;

    border-radius:8px;

    background:#0066cc;

    color:white;

    font-size:16px;

    cursor:pointer;

    transition:.3s;
}

button:hover{

    background:#004f9e;
}

.error{

    color:red;

    margin-bottom:15px;
}

.footer{

    margin-top:30px;

    font-size:12px;

    color:#888;
}