body {

    min-height: 100vh;

    background:
        linear-gradient(
            135deg,
            #0f172a,
            #12528a
        );

    display: flex;

    align-items: center;

    justify-content: center;

    padding: 20px;

}

body::before {

    content: '';

    position: fixed;

    top: -150px;
    right: -150px;

    width: 350px;
    height: 350px;

    border-radius: 50%;

    background:
        rgba(255,255,255,.05);

}

body::after {

    content: '';

    position: fixed;

    bottom: -120px;
    left: -120px;

    width: 280px;
    height: 280px;

    border-radius: 50%;

    background:
        rgba(255,255,255,.04);

}

.card-login {

    width: 100%;

    max-width: 420px;

    border: none;

    border-radius: 30px;

    overflow: hidden;

    background:
        rgba(255,255,255,.98);

    box-shadow:
        0 25px 60px rgba(0,0,0,.25);

}

.topo {

    background:
        linear-gradient(
            135deg,
            #12528a,
            #0d3f6b
        );

    color: white;

    text-align: center;

    padding: 35px 30px;

}

.logo {

    width: 110px;

    margin-bottom: 15px;

}

.subtitulo {

    opacity: .85;

    font-size: 14px;

}

.form-control {

    height: 50px;

}

.btn-itc {

    height: 55px;

    border-radius: 15px;

    font-weight: 600;

    background:
        linear-gradient(
            135deg,
            #12528a,
            #0d3f6b
        );

    border: none;

}

.alert-primary {

    background: #eef6ff;

    color: #12528a;

    border-radius: 15px;

}

.rodape {

    text-align: center;

    color: #94a3b8;

    font-size: 12px;

    margin-top: 20px;

}