{% block messages %}
    {% if messages %}
        {% for message in messages %}
            <div class="alert{% if message.tags %} alert-{{ message.tags }}{% endif %} alert-dismissible fade show" role="alert">
                {{ message }}
                <button type="button" class="close" data-dismiss="alert" aria-label="Close">
                    <span aria-hidden="true">&times;</span>
                </button>
            </div>
        {% endfor %}
    {% endif %}
    {% if form %}
        {% if form.non_field_errors %}
            {% for error in form.non_field_errors %}
                <div class="alert alert-danger" role="alert">
                    <strong>Error:</strong> {{ error }}
                </div>
            {% endfor %}
        {% elif form.errors %}
            <div class="alert alert-danger" role="alert">
                <strong>Error:</strong> Some fields have errors. See below for details.
            </div>
        {% endif %}
    {% endif %}
{% endblock %}