.container-main {
    margin-bottom: 1.5rem;
}

.card-header {
    cursor: pointer;
}

.card-header h2 {
    margin: 0;
}

.card-body {
    padding: 1rem;
}

.badge {
    margin-right: 0.5rem;
}

.category-heading {
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
}

body.dark-theme {
    background-color: #121212;
    color: #e0e0e0;
}

.navbar.dark-theme {
    background-color: #1f1f1f !important;
    color: #e0e0e0 !important;
}

.navbar.dark-theme a {
    color: #e0e0e0 !important;
}

.card.dark-theme {
    background-color: #1f1f1f;
    border-color: #333;
}

.card-header.dark-theme {
    background-color: #1f1f1f;
    border-color: #333;
}

.footer.dark-theme {
    background-color: #1f1f1f !important;
    color: #e0e0e0 !important;
}

.btn-toggle {
    position: absolute;
    right: 1rem;
    background-color: #007bff;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    cursor: pointer;
    border-radius: 0.25rem;
}