und-color: #2d3748;
            color: #cbd5e0;
            border-color: #4a5568;
        }

        .dark header {
            background-color: #2d3748;
        }

        .dark #dataset-count {
            color: #cbd5e0;
        }

        .dark .filter-panel {
            background-color: #2d3748;
            border-color: #4a5568;
        }

        .btn {
            display: inline-block;
            border-radius: 9999px;
            padding: 0.25rem 0.5rem;
            text-align: center;
      