{#- chirp-ui: Collapse component
    Single expand/collapse section. Native <details>/<summary>.

    Usage:
        {% from "chirpui/collapse.html" import collapse %}

        {% call collapse(trigger="Click to expand", open=false) %}
            Hidden content here.
        {% end %}
-#}

{% def collapse(trigger, open=false, cls="") %}
<details class="chirpui-collapse{{ " " ~ cls if cls else "" }}"
         {% if open %}open{% end %}>
    <summary class="chirpui-collapse__trigger">
        <span class="chirpui-collapse__trigger-text">{{ trigger }}</span>
        <div class="chirpui-collapse__trigger-actions">{% slot header_actions %}</div>
    </summary>
    <div class="chirpui-collapse__content">
        {% slot %}
    </div>
</details>
{% end %}