*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

html,
body{
    width:100%;
    height:100%;
}

body{

    font-family:'Segoe UI',sans-serif;

    background:url("https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&w=1600&q=80");

    background-size:cover;
    background-position:center;
    background-repeat:no-repeat;

}

.overlay{

    width:100%;
    min-height:100vh;

    background:rgba(0,0,0,.55);

    display:flex;
    justify-content:center;
    align-items:center;

}

.container{

    display:flex;
    justify-content:center;
    align-items:center;

}

.row{

    width:100%;
    justify-content:center;
}

.login-card{

    width:100%;
    max-width:430px;

    background:rgba(255,255,255,.12);

    backdrop-filter:blur(15px);

    border-radius:20px;

    padding:22px;

    color:#fff;

    border:1px solid rgba(255,255,255,.2);

    box-shadow:0 15px 30px rgba(0,0,0,.35);

}

.logo{

    font-size:45px;

    color:#ffc107;

    margin-bottom:8px;

}

.login-card h2{

    font-size:28px;

    font-weight:700;

    margin-bottom:4px;

}

.login-card p{

    font-size:14px;

    color:#ddd;

    margin-bottom:18px;

}

.form-label{

    font-size:15px;

}

.form-control,
.form-select{

    height:42px;

    border-radius:10px;

}

.input-group-text{

    background:#0d6efd;

    color:#fff;

    border:none;

}

.form-control:focus,
.form-select:focus{

    box-shadow:none;

    border-color:#0d6efd;

}

.btn-login{

    height:44px;

    font-size:16px;

    border-radius:10px;

    background:#0d6efd;

    color:#fff;

}

.btn-login:hover{

    background:#084298;

    color:#fff;

}

a{

    color:#ffc107;

    text-decoration:none;

}

a:hover{

    color:#fff;

}

.form-check-input:checked{

    background:#0d6efd;

}

hr{

    margin:15px 0;

    border-color:rgba(255,255,255,.2);

}

small{

    color:#ddd;

}

@media (max-width:768px){

    .login-card{

        padding:18px;

    }

    .logo{

        font-size:40px;

    }

    .login-card h2{

        font-size:24px;

    }

    .form-control,
    .form-select{

        height:40px;

    }

    .btn-login{

        height:42px;

    }

}