{% macro summary_card(icon, label, value, helper="", highlighted=false) %}
<div class="summary-card {{ 'highlighted' if highlighted else '' }}">
  <div class="summary-icon" aria-hidden="true">{{ icon }}</div>
  <div class="summary-body">
    <span class="summary-label">{{ label }}</span>
    <strong class="summary-value">{{ value }}</strong>
    {% if helper %}
    <span class="summary-helper">{{ helper }}</span>
    {% endif %}
  </div>
</div>
{% endmacro %}