/* Personalización del formulario de login/register */
.login-page, .register-page {
    background: linear-gradient(120deg, #000036, #070846);
}

.login-card-body, .register-card-body {
    border-radius: 10px;
    box-shadow: 0 15px 25px rgba(0,0,0,.2);
    padding: 30px;
}

.login-logo, .register-logo {
    margin-bottom: 25px;
}

.login-logo a, .register-logo a {
    color: white;
    text-shadow: 1px 1px 3px rgba(253, 13, 3, 1);
}

.btn-primary {
    background-color: #045d76 !important;
    border-color: #045d76 !important;
    transition: background-color 0.3s ease, color 0.3s ease, border 0.3s ease;
}

.btn-primary:hover {
    background-color: rgba(0, 174, 161, 1) !important;
    border-color: rgba(0, 174, 161, 1) !important;
}

.input-group .form-control:focus {
    border-color: #045d76;
    box-shadow: 0 0 0 0.2rem rgba(23, 193, 180, 1);
    color: #001b30;
}

.card-primary.card-outline {
    border-top: 3px solid #045d76;
}

/* Animación suave para inputs */
.form-control {
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Mensaje de error con estilo */
.invalid-feedback {
    background-color: rgba(220, 53, 69, 0.1);
    padding: 5px 10px;
    border-radius: 4px;
    margin-top: 5px;
}