{# docker/_container_history.html — CPU/mem sparklines for the selected range #}
{% if have_data %}
<div style="display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;">
  <div>
    <div class="section-title" style="margin-bottom:0.4rem;">CPU %</div>
    {{ sparkline_cpu | safe }}
  </div>
  <div>
    <div class="section-title" style="margin-bottom:0.4rem;">Memory %</div>
    {{ sparkline_mem | safe }}
  </div>
</div>
{% else %}
<div style="color:var(--text-muted);font-size:0.85rem;">
  Not enough samples in this range yet — history fills in as the agent reports.
</div>
{% endif %}