div>
  </div>
  <div class="mb-4 tab-content">
    <div class="tab-pane fade show active" id="byLinePanel" role="tabpanel" aria-labelledby="byLineTab">
      <div id="lineVisualization"></div>
    </div>
    <div class="tab-pane fade" id="byJobPanel" role="tabpanel" aria-labelledby="byJobTab">
      <div id="jobVisualization"></div>
    </div>
  </div>

  <h2>Unassigned Operators</h2>
  <div id="unassignedOperators" class="row row-cols-3 g-3 mb-4"></div>

  <h2>Unassigned jobs</h2>
  <div id="unassignedJobs