/* Reset básico para asegurar consistencia */
body, html {
    height: 100%;
    margin: 0;
    padding: 0;
    background: #f2f2f2;
    font-family: 'Roboto', sans-serif;
}

#wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

/* Fondo adaptado */
.login-register {
    background-size: cover;
    background-position: center;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Tarjeta central responsiva */
.login-box {
    width: 100%;
    max-width: 400px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    background-color: white;
}

/* Logo responsivo */
.login-box img {
    max-width: 150px;
    height: auto;
    margin-bottom: 1rem;
}

/* Espaciado general */
.card-body {
    padding: 2rem;
}

h2 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.text-center {
    text-align: center;
}

input.form-control {
    border-radius: 10px;
    padding: 0.75rem;
    font-size: 1rem;
}

button.btn {
    padding: 0.8rem;
    font-size: 1rem;
    border-radius: 10px;
}

/* Adaptaciones para pantallas pequeñas */
@media (max-width: 480px) {
    .login-box {
        padding: 1rem;
    }

    .card-body {
        padding: 1.5rem 1rem;
    }

    h2 {
        font-size: 1.5rem;
    }
}