/* Laptop */
@media (max-width: 1280px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .layout-side { grid-template-columns: minmax(0, 1fr) 300px; }
  .pos { grid-template-columns: minmax(0, 1fr) 360px; }
}
@media (max-width: 1100px) {
  .app, .app.collapsed { grid-template-columns: var(--sidebar-w-collapsed) minmax(0, 1fr); }
  .app:not(.expanded) .brand-text, .app:not(.expanded) .nav-group-btn .lbl, .app:not(.expanded) .nav-group-btn .chev, .app:not(.expanded) .nav-items, .app:not(.expanded) .demo-pill span, .app:not(.expanded) .collapse-btn .lbl { display: none !important; }
  .app:not(.expanded) .nav-group-btn { justify-content: center; padding: 10px; }
  .app:not(.expanded) .demo-pill { justify-content: center; }
  .app.expanded .sidebar { position: fixed; width: var(--sidebar-w); left: 0; box-shadow: var(--shadow-lg); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .layout-side { grid-template-columns: 1fr; }
  .pos { grid-template-columns: 1fr; }
  .pos-cart { position: static; max-height: none; }
  .user-chip .meta { display: none; }
  .login { grid-template-columns: 1fr; }
  .login-right { order: 2; padding-top: 56px; padding-bottom: 72px; }
  .mock-window { transform: none; }
}

/* Tablet */
@media (max-width: 860px) {
  .hide-sm { display: none; }
  .app, .app.collapsed { grid-template-columns: minmax(0, 1fr); }
  .sidebar { position: fixed; left: 0; top: 0; bottom: 0; width: min(var(--sidebar-w), 86vw); transform: translateX(-100%); transition: transform .25s var(--ease); box-shadow: var(--shadow-lg); }
  .app .brand-text, .app .nav-group-btn .lbl, .app .nav-group-btn .chev, .app .demo-pill span, .app .collapse-btn .lbl { display: initial !important; }
  .app .nav-group.open .nav-items { display: block !important; }
  .app .nav-group:not(.open) .nav-items { display: none !important; }
  .app .nav-group-btn { justify-content: flex-start !important; padding: 11px 10px !important; }
  .app .nav-group-btn .chev { display: block !important; }
  .app .demo-pill { justify-content: flex-start !important; }
  .app .collapse-btn { display: none; }
  .app.mobile-open .sidebar { transform: none; }
  .nav-link { padding-top: 10px; padding-bottom: 10px; }
  .topbar { padding: 0 14px; gap: 8px; }
  .topbar .menu-btn { display: inline-grid; }
  .site-select { display: none; }
  .content { padding: 18px 16px 40px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .span-2, .span-3 { grid-column: auto; }
  .dl.cols-3, .dl.cols-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .page-head h1 { font-size: 22px; }
  .modal-backdrop { padding: 0; align-items: flex-end; }
  .modal, .modal.lg, .modal.xl { max-width: 100%; border-radius: 18px 18px 0 0; max-height: 92vh; }
  .doc-paper { padding: 22px 18px; }
  .search-box kbd { display: none; }
  .search-box input { padding-right: 12px; }
}

/* Mobile */
@media (max-width: 560px) {
  .grid-4, .grid-kpi { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; }
  .kpi { padding: 13px 14px; }
  .kpi .kpi-value { font-size: 18px; }
  .kpi .kpi-ico { width: 28px; height: 28px; flex-basis: 28px; }
  .kpi .spark { display: none; }
  .form-grid { grid-template-columns: 1fr; }
  .dl, .dl.cols-3, .dl.cols-4 { grid-template-columns: 1fr 1fr; }
  .page-head { align-items: flex-start; }
  .page-head .actions { width: 100%; }
  .page-head .actions .btn { flex: 1 1 auto; }
  .topbar .quick-btn, .topbar .theme-btn { display: none; }
  .search-box { max-width: none; }
  .dt-toolbar .input-icon { max-width: none; flex-basis: 100%; }
  .dt-filters { width: 100%; }
  .dt-filters .select { flex: 1 1 140px; min-width: 0; }
  .table { font-size: 13px; }
  .table td, .table th { padding: 9px 10px; }
  .hero { padding: 16px; }
  .hero .hero-stats { gap: 18px; }
  .doc-meta { grid-template-columns: 1fr; }
  .doc-totals { width: 100%; }
  .kanban { grid-auto-columns: minmax(250px, 86vw); }
  .kb-card .kb-move { display: flex; }
  .toasts { right: 12px; left: 12px; bottom: 12px; max-width: none; }
  .demo-panel { right: 10px; left: 10px; bottom: 10px; width: auto; }
  .hbar-row { grid-template-columns: 90px 1fr auto; }
  .hbar-row .hb-val { min-width: 54px; }
  .login-left { padding: 24px 18px; }
  .login-left h1 { font-size: 25px; }
  .mock-float { display: none; }
  .mock-kpis { grid-template-columns: repeat(2, 1fr); }
  .mock-kpis .mock-kpi:nth-child(3) { display: none; }
  .mock-charts { grid-template-columns: 1fr; }
  .profiles-section { padding: 32px 16px 48px; }
  .pay-methods { grid-template-columns: repeat(2, 1fr); }
  .calendar { gap: 2px; }
  .cal-d { min-height: 56px; padding: 3px; font-size: 10px; }
  .cal-ev { font-size: 9px; padding: 0 3px; }
  .tabs .tab { padding: 10px 11px; }
  .demo-banner { font-size: 11px; }
}
@media (max-width: 380px) {
  .grid-4, .grid-kpi { grid-template-columns: 1fr 1fr; }
  .user-chip { padding: 2px; }
}