body {
    background-color: #1976d2 !important;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0;
}

/* Contenedor principal centrado vertical y horizontalmente */
.login-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.btn-group label {
    transition: all .25s ease;
}

#togglePassword {
    user-select: none;
}

.info-circle {
    width: 40px;
    height: 40px;
    background: white;
    border-radius: 50%;
    flex-shrink: 0;
}

#loginBox {
    border-radius: 18px;
}

.active-mode {
    background-color: #1976d2 !important;
    color: #fff !important;
}

footer {
    flex-shrink: 0;
}

/* ========= RESPONSIVO ========= */

/* Tablets y pantallas medianas */
@media (max-width: 991px) {
    .login-wrapper .row {
        justify-content: center;
    }
    
    .login-wrapper .col-lg-6 {
        text-align: center;
        margin-bottom: 2rem;
    }

    .login-wrapper .col-lg-5 {
        max-width: 500px;
        margin: 0 auto;
    }

    .login-wrapper .d-flex.align-items-start {
        justify-content: center;
    }
}

/* Móviles */
@media (max-width: 576px) {
    .login-wrapper {
        padding: 1rem 0.5rem;
    }

    #loginBox {
        padding: 1.25rem !important;
    }

    h1.display-5 {
        font-size: 2rem;
    }
}

/* Pantallas grandes: limitar ancho */
@media (min-width: 1400px) {
    .login-wrapper .container {
        max-width: 1200px;
    }
}