.data-attribution {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-tertiary);
    font-size: 0.875rem;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.data-attribution a {
    color: var(--primary-color);
    text-decoration: none;
}

.data-attribution a:hover {
    text-decoration: underline;
}