/* ===================== RESPONSIVE ===================== */
  @media (max-width: 960px) {
    .sidebar { transform: translateX(-100%); box-shadow: 0 0 40px rgba(0,0,0,0.25); }
    .sidebar.open { transform: translateX(0); }
    .main { margin-left: 0; padding: 24px 20px 50px; }
    .menu-toggle { display: inline-flex; }
    .sidebar-backdrop.open { display: block; position: fixed; inset: 0; background: rgba(16,48,43,0.4); z-index: 39; }
    .form-panel { padding: 24px 20px; }
  }
  @media (max-width: 620px) {
    .form-grid { grid-template-columns: 1fr; }
    .modal-grid { grid-template-columns: 1fr; }
    .page-title { font-size: 24px; }
    .stat-tile-value { font-size: 26px; }
  }