.csv-upload-area {
            background: #f8f9fa;
            border-radius: 1rem;
            padding: 1.2rem;
            margin-bottom: 1.8rem;
            border: 1px solid #e9ecef;
        }
        .drop-zone {
            border: 2px dashed #adb5bd;
            border-radius: 1rem;
            background: #ffffff;
            text-align: center;
            padding: 1.8rem 1rem;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        .drop-zone.drag-over {
            background: #e2f0fa;
            border-color: #0d6efd;
        }
        .stats-panel {
            background: #f1f3f5;
            border-radius: 0.75rem;
            padding: 0.75rem 1rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.75rem;
        }
        .filter-bar {
            background: white;
            padding: 0.75rem 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.75rem;
        }
        .table-container {
            max-height: 550px;
            overflow-y: auto;
            border-radius: 0.75rem;
            border: 1px solid #dee2e6;
            background: white;
        }
        .data-table th {
            background: #f1f3f5;
            position: sticky;
            top: 0;
            z-index: 10;
            cursor: pointer;
            user-select: none;
        }
        .data-table th:hover {
            background: #e9ecef;
        }
        .sort-icon {
            margin-left: 0.3rem;
            font-size: 0.7rem;
        }
        .stats-badge {
            background: #eef2ff;
            padding: 0.3rem 0.9rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 500;
        }
        .privacy-note-csv {
            background: #e7f3ff;
            border-radius: 0.75rem;
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            margin-top: 0.75rem;
        }
        .delimiter-select {
            max-width: 180px;
        }
        @media (max-width: 768px) {
            .stats-panel {
                flex-direction: column;
                align-items: stretch;
            }
        }