radiocampus: misc adjustments

radiocampus/templates/aircox/episode_list.html

@@ -21,3 +21,22 @@
 {{ block.super }}
 {% endwith %}
 {% endblock %}
+
+{% block secondary-nav %}
+{% if not parent and categories %}
+<nav class="nav secondary">
+    <div class="nav-menu nav-categories">
+        {% for cat in categories %}
+        <a class="nav-item{% if cat == category %} active{% endif %}"
+            href="{% url request.resolver_match.url_name category_slug=cat.slug %}">
+            {{ cat.title }}
+        </a>
+        {% endfor %}
+    </div>
+    <a-switch class="button burger"
+        el=".nav-categories" group="nav" icon="fas fa-tags"
+        aria-label="{% translate "Categories" %}">
+    </a-switch>
+</nav>
+{% endif %}
+{% endblock %}