{{ attach_library("goizueta_theme/switchpane") }}
<div class="switchpane" data-togglenarrow="{{ toggle_id_narrow }}"
  data-togglewide="{{ toggle_id_wide }}">
  {% for pane in panes %}
    {% set classes = "switchpane--pane switchpane--pane-" ~ loop.index %}
    {% if loop.index == 1 %}
      {% set classes = classes ~ " active" %}
    {% endif %}
    <div class="{{ classes }}">
      {{ pane }}
    </div>
  {% endfor %}
</div>