{% comment %}
  Recursive partial for a single category node.

  Context variables (passed via {% include … with … %})
  ------------------------------------------------------
  node            : dict with keys "category", "forms", "children"
  form_url_name   : URL name for the "Fill Out Form" link
  depth           : integer nesting depth (0 = top-level)
{% endcomment %}
{% with cat=node.category cat_id="cat-"|add:node.category.slug sub_id="sub-"|add:node.category.slug %}
<div class="accordion-item{% if depth > 0 %} mb-2 border rounded bg-light ms-3{% else %} mb-2 border rounded shadow-sm{% endif %}"
     data-category-slug="{{ cat.slug }}">

  <h2 class="accordion-header" id="heading-{{ cat.slug }}">
    <button
      class="accordion-button{% if cat.is_collapsed_by_default %} collapsed{% endif %}{% if depth > 0 %} py-2 ps-3 fs-6 fw-semibold{% else %} fw-semibold{% endif %}"
      type="button"
      data-bs-toggle="collapse"
      data-bs-target="#{{ cat_id }}"
      aria-expanded="{% if cat.is_collapsed_by_default %}false{% else %}true{% endif %}"
      aria-controls="{{ cat_id }}">
      {% if cat.icon %}
        <i class="bi {{ cat.icon }} me-2{% if depth > 0 %} fs-6{% endif %}"></i>
      {% endif %}
      {{ cat.name }}
      <span class="badge bg-secondary ms-2 fw-normal">
        {% with direct=node.forms|length %}{{ direct }}{% endwith %}
      </span>
    </button>
  </h2>

  <div id="{{ cat_id }}"
       class="accordion-collapse collapse{% if not cat.is_collapsed_by_default %} show{% endif %}"
       aria-labelledby="heading-{{ cat.slug }}">
    <div class="accordion-body{% if depth > 0 %} pb-1{% endif %}">

      {% if cat.description and depth == 0 %}
        <p class="text-muted small mb-3">{{ cat.description }}</p>
      {% endif %}

      {# ---- Direct forms ---- #}
      {% if node.forms %}
        <div class="row">
          {% for form in node.forms %}
            <div class="col-md-6 col-lg-4 mb-3">
              <div class="card h-100 border-0 shadow-sm">
                <div class="card-body">
                  <h5 class="card-title">{{ form.name }}</h5>
                  <p class="card-text text-muted small">{{ form.description|striptags|truncatewords:20 }}</p>
                </div>
                <div class="card-footer bg-transparent border-0 pt-0">
                  <a href="{% url form_url_name form.slug %}" class="btn btn-primary btn-sm">
                    <i class="bi bi-pencil-square"></i> Fill Out Form
                  </a>
                </div>
              </div>
            </div>
          {% endfor %}
        </div>
      {% endif %}

      {# ---- Child sub-categories (recursive) ---- #}
      {% if node.children %}
        <div class="accordion{% if depth == 0 %} mt-2{% endif %}" id="{{ sub_id }}">
          {% for child_node in node.children %}
            {% include "django_forms_workflows/_category_node.html" with node=child_node depth=depth|add:1 %}
          {% endfor %}
        </div>
      {% endif %}

    </div>
  </div>
</div>
{% endwith %}