{# Boot + HTMX swap loader — one element (#pv-swap-blocker), two modes. #}
<style>
  #pv-swap-blocker {
    position: fixed;
    z-index: 62;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    border-radius: 0.5rem;
    background: color-mix(in srgb, var(--color-neutral-primary) 88%, transparent);
    backdrop-filter: blur(3px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
  }
  #pv-swap-blocker.pv-swap-blocker--visible,
  html.pv-app-loading #pv-swap-blocker {
    opacity: 1;
    pointer-events: auto;
  }
  html.pv-app-loading #pv-swap-blocker {
    inset: 0;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 0;
    z-index: 9999;
  }
  #pv-swap-blocker .pv-swap-blocker__spinner {
    width: 2rem;
    height: 2rem;
    color: var(--color-fg-brand);
    animation: pv-swap-blocker-spin 0.75s linear infinite;
  }
  @keyframes pv-swap-blocker-spin {
    to { transform: rotate(360deg); }
  }
  @media (prefers-reduced-motion: reduce) {
    #pv-swap-blocker { transition: none; }
    #pv-swap-blocker .pv-swap-blocker__spinner {
      animation: none;
    }
  }
</style>
<script>
    document.documentElement.classList.add('pv-app-loading');
</script>