/* ── Modal Overlay (shared) ───────────────────────────── */
    .modal-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,.45);
      z-index: 9500;
      align-items: center;
      justify-content: center;
    }
    .modal-overlay.active { display: flex; }