{#
  Per-category wiki mini-chart grid (#540). One small card per visible
  category that has at least one classified task. The detailed view stays
  on /cat/<id>.html (#572, partials/wiki_sections_by_project.html).

  Expects:
  - ``wiki_by_category``: list of {cat, sections, total} (already ordered)
  - ``wiki_by_category_total``: grand total across cards (for the header)
#}
{% if wiki_by_category %}
<div class="activity-card">
  <div class="activity-header">
    <span class="activity-title">Tâches par section wiki — par catégorie</span>
    <span class="activity-total">{{ wiki_by_category_total }}</span>
  </div>
  <div class="wiki-cat-grid">
    {% for entry in wiki_by_category %}
    <a class="wiki-cat-card" href="{{ prefix }}cat/{{ entry.cat.id }}.html"
       style="border-left: 3px solid {{ entry.cat.color }}">
      <div class="wiki-cat-head">
        <span class="wiki-cat-name">{{ entry.cat.name }}</span>
        <span class="wiki-cat-total">{{ entry.total }}</span>
      </div>
      <div class="wiki-bars">
        {% for s in entry.sections %}
        <div class="wiki-bar-row">
          <span class="wiki-bar-label" title="{{ s.section }}">{{ s.section }}</span>
          <span class="wiki-bar-track"><span class="wiki-bar-fill" style="width: {{ s.pct }}%; background: {{ entry.cat.color }}"></span></span>
          <span class="wiki-bar-count">{{ s.count }}</span>
        </div>
        {% endfor %}
      </div>
    </a>
    {% endfor %}
  </div>
</div>
{% endif %}