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

body{

    background:linear-gradient(135deg,#1e3c72,#2a5298);
    height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
}

.login-box{

    width:380px;
    background:#fff;
    border-radius:10px;
    padding:40px;
    box-shadow:0 10px 30px rgba(0,0,0,.3);

}

.logo{

    text-align:center;
    font-size:34px;
    color:#2a5298;
    margin-bottom:10px;

}

.title{

    text-align:center;
    margin-bottom:30px;
    color:#333;
}

.input-group{

    margin-bottom:18px;

}

label{

    display:block;
    margin-bottom:8px;
    color:#555;
    font-weight:bold;

}

input{

    width:100%;
    padding:12px;
    border:1px solid #ccc;
    border-radius:5px;
    font-size:15px;

}

input:focus{

    outline:none;
    border-color:#2a5298;

}

button{

    width:100%;
    padding:12px;
    background:#2a5298;
    color:#fff;
    border:none;
    border-radius:5px;
    cursor:pointer;
    font-size:16px;
    transition:.3s;

}

button:hover{

    background:#1b3e78;

}

.error{

    color:red;
    margin-bottom:15px;
    text-align:center;

}

.footer{

    text-align:center;
    margin-top:20px;
    color:#777;
    font-size:14px;

}