{# Navigation bar — expects: breadcrumbs (list of (label, url) tuples, optional) #}
<nav class="navbar">
    <a href="/" class="navbar-logo" title="Airut Dashboard">
        {% include "components/logo.html" %}
    </a>
    {% if breadcrumbs %}
    {% for crumb in breadcrumbs %}
    <span class="navbar-sep">/</span>
    {% if loop.last %}
    <span class="navbar-crumb current">{{ crumb[0] }}</span>
    {% else %}
    <span class="navbar-crumb"><a href="{{ crumb[1] }}">{{ crumb[0] }}</a></span>
    {% endif %}
    {% endfor %}
    {% endif %}
</nav>