.container-fluid {
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
}

.content-section {
    max-width: 800px;
    margin: 0 auto;
}

.change-password-form {
    max-width: 100%;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .change-password-form {
        max-width: 400px;
    }
}

.hover-effect {
    transition: opacity 0.3s ease;
}

.hover-effect:hover {
    opacity: 0.8;
}

.theme-light .dark-logo {
    display: none;
}

.theme-dark .light-logo {
    display: none;
}

.btn-group-responsive {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

h1 {
    font-size: 1.8rem;
}

@media (min-width: 576px) {
    h1 {
        font-size: 2.5rem;
    }
}