/* =============================================================================
   COMPONENT: loading-overlay — global frame/form wait feedback (FEA-0023).
   ========================================================================== */
@layer components {
  .loading-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--z-overlay);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    background: color-mix(in oklab, var(--surface) 72%, transparent);
    pointer-events: auto;
    touch-action: none;
  }

  #main.is-loading {
    overflow: hidden;
    touch-action: none;
    overscroll-behavior: none;
  }

  .loading-overlay[hidden] {
    display: none;
  }

  .loading-overlay__spinner {
    inline-size: 2.25rem;
    block-size: 2.25rem;
    border: 0.1875rem solid var(--color-border);
    border-block-start-color: var(--accent);
    border-radius: var(--radius-pill);
    animation: loading-spin calc(var(--dur-base) * 4) linear infinite;
  }

  .loading-overlay__status {
    margin: 0;
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-text-muted);
  }

  .loading-overlay__escalate {
    margin: 0;
    font-size: var(--text-sm);
    color: var(--color-text-muted);
  }

  @keyframes loading-spin {
    to { rotate: 360deg; }
  }

  @media (prefers-reduced-motion: reduce) {
    .loading-overlay__spinner {
      animation: none;
      border-block-start-color: var(--accent);
      opacity: 0.85;
    }
  }
}