{% if error %}
  <div class="pf-banner bad">The checks could not run: {{ error }}</div>
{% elif not ready %}
  <div class="pf-banner bad">
    <strong>This computer is not ready to run a study.</strong>
    Fix these first: {{ blockers | map("check_label") | join(", ") }}. A study started now fails a few minutes in.
    <a href="/preflight">See what is wrong</a>.
  </div>
{% else %}
  <div class="pf-banner ok">
    Ready: {{ n_pass }} checks passed{% if n_skip %}, {{ n_skip }} optional ones not set up{% endif %}.
    <a href="/preflight">Details</a>
  </div>
{% endif %}