.topic-table{width:100%;border-collapse:collapse;font-family:Arial, sans-serif}.topic-table th{background-color:#f5f5f5;border:1px solid #ddd;padding:12px;text-align:left;font-weight:bold}.topic-table td{border:1px solid #ddd;padding:12px;vertical-align:top}.topic-table tr:nth-child(even){background-color:#f9f9f9}.topic-table tr:hover{background-color:#f0f0f0}.child-row{background-color:#f8f9fa !important}.child-row:hover{background-color:#e8f5e9 !important}.toggle-button{background:none;border:none;margin-right:8px;cursor:pointer;font-size:14px;padding:2px;border-radius:2px}.toggle-button:hover{background-color:#e0e0e0}.view-children-button{margin-left:8px;color:#B9000E;padding:4px 8px;font-size:14px;border-radius:4px;cursor:pointer;transition:background-color 0.2s}.action-button{padding:4px 8px;font-size:12px;border-radius:4px;cursor:pointer;border:1px solid;transition:background-color 0.2s}.edit-button{margin-left:8px;background:#eff6ff;border-color:#2563eb;color:#2563eb}.edit-button:hover{background:#dbeafe}.assign-button{background:#f0fdf4;border-color:#16a34a;color:#16a34a}.assign-button:hover{background:#c0fcca}.delete-button{background:#ffebee;border-color:#f44336;color:#d32f2f;margin-left:8px}.delete-button:hover{background:#ffcdd2}.load-more-button{padding:8px 16px;border-radius:4px;cursor:pointer;font-size:14px;transition:background-color 0.2s}.load-more-button:disabled{opacity:0.6;cursor:not-allowed}.loading{text-align:center;padding:20px;font-size:16px;color:#666}.group-name{display:flex;align-items:center}.group-name-text{font-weight:bold}.child-name-text{font-weight:normal;color:#555}.indented{padding-left:20px}