@media (max-width: 640px) {
  .topbar, .main-content { padding-left: 16px; padding-right: 16px; }
  .welcome-banner { padding: 16px; }
  .stats-grid { grid-template-columns: 1fr; }
  .status-search { flex-direction: column; }
  .table-wrap { font-size: 0.88rem; }
}