/* IT Helpdesk V15 — Responsive behavior */
@media (max-width: 1360px) {
  .v15-kpi-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .v15-dashboard-grid.secondary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .v15-dashboard-grid.secondary > :last-child { grid-column: 1 / -1; }
  .stats-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 1120px) {
  .main-body { padding-inline: 18px; }
  .v15-dashboard-grid,
  .v15-dashboard-grid.bottom { grid-template-columns: 1fr; }
  .v15-dashboard-grid.secondary { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .v15-dashboard-grid.secondary > :last-child { grid-column: auto; }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) and (min-width: 769px) {
  :root { --ui-sidebar-w: 256px; }
  .v15-dashboard-grid.secondary { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  body { padding-bottom: 72px; }
  .sidebar {
    inset: 0 auto 0 0;
    width: min(86vw, 334px);
    height: 100dvh;
    border-radius: 0 24px 24px 0;
    box-shadow: none;
    transform: translateX(-105%);
  }
  .sidebar.open { transform: translateX(0); box-shadow: 18px 0 60px rgba(15,23,42,.34); }
  .sidebar-overlay {
    position: fixed;
    inset: 0;
    z-index: 620;
    display: block;
    visibility: hidden;
    opacity: 0;
    background: rgba(15,23,42,.50);
    backdrop-filter: blur(3px);
    transition: opacity var(--ui-transition), visibility var(--ui-transition);
  }
  .sidebar-overlay.show { visibility: visible; opacity: 1; }
  .main-content { width: 100%; margin-left: 0; }
  .main-header { min-height: 62px; padding: 8px 12px; }
  .main-body { padding: 14px 11px 22px; }
  .page-title { max-width: 190px; font-size: 16px; }
  .header-right { gap: 6px; }
  .header-right .header-btn:nth-of-type(3) { display: none; }
  .header-logout-btn span { display: none; }
  .header-logout-btn { width: 42px; padding: 0; justify-content: center; }
  .mobile-bottom-nav {
    position: fixed;
    right: 10px;
    bottom: max(9px, env(safe-area-inset-bottom));
    left: 10px;
    z-index: 580;
    display: grid !important;
    grid-template-columns: repeat(5, 1fr);
    min-height: 61px;
    padding: 6px;
    border: 1px solid rgba(255,255,255,.75);
    border-radius: 19px;
    background: rgba(255,255,255,.94);
    box-shadow: 0 16px 42px rgba(15,23,42,.18);
    backdrop-filter: blur(18px);
  }
  .mobile-nav-item { position: relative; display: grid; place-items: center; gap: 2px; border: 0; border-radius: 13px; color: var(--ui-text-muted); background: transparent; font-size: 9px; font-weight: 700; cursor: pointer; }
  .mobile-nav-item .mn-icon { display: grid; width: 31px; height: 31px; place-items: center; border-radius: 10px; font-size: 13px; }
  .mobile-nav-item.mn-active { color: var(--ui-brand); background: var(--ui-brand-soft); }
  .mn-badge { position: absolute; top: 4px; right: calc(50% - 23px); display: inline-flex; min-width: 17px; height: 17px; align-items: center; justify-content: center; padding: 0 4px; border: 2px solid #fff; border-radius: 999px; color: #fff; background: var(--ui-danger); font-size: 8px; }

  .v15-page-head { align-items: stretch; flex-direction: column; }
  .v15-head-actions { justify-content: flex-start; }
  .v15-date-range { width: 100%; overflow-x: auto; }
  .v15-clock { display: none; }
  .v15-kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .v15-dashboard-grid.secondary { grid-template-columns: 1fr; }
  .v15-dashboard-grid.secondary > :last-child { grid-column: auto; }
  .v15-quick-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .v15-assets-overview { grid-template-columns: 1fr; }
  .v15-asset-total { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
  .v15-asset-total b { margin: 0; }
  .v15-chart-summary { align-items: stretch; flex-direction: column; }
  .v15-chart-meta { justify-content: space-between; }
  .v15-chart-meta div { text-align: left; }
  .v15-bar-chart { height: 120px; gap: 4px; }

  .grid-2, .grid-3, .stats-grid { grid-template-columns: 1fr; }
  .filter-bar { align-items: stretch; }
  .filter-bar .form-control, .filter-bar .btn { width: 100%; min-height: 44px; }
  .search-input { min-width: 100%; }
  .tabs { max-width: 100%; scroll-snap-type: x proximity; }
  .tab-btn { scroll-snap-align: start; }

  .modal-overlay { align-items: flex-end; padding: 0; }
  .modal, .modal-lg, .modal-xl { width: 100%; max-width: none; max-height: min(92dvh, 920px); border-radius: 22px 22px 0 0; }
  .modal-header { position: sticky; top: 0; z-index: 2; padding: 16px; }
  .modal-body { max-height: calc(min(92dvh, 920px) - 132px); padding: 16px; }
  .modal-footer, .modal-actions { position: sticky; bottom: 0; z-index: 2; padding: 12px 16px; flex-wrap: wrap; }
  .modal-footer .btn, .modal-actions .btn { flex: 1 1 120px; min-height: 42px; }

  .table-wrapper[data-mobile-cards="true"] { overflow: visible; border: 0; background: transparent; box-shadow: none; }
  .table-wrapper[data-mobile-cards="true"] .data-table,
  .table-wrapper[data-mobile-cards="true"] .data-table tbody,
  .table-wrapper[data-mobile-cards="true"] .data-table tr,
  .table-wrapper[data-mobile-cards="true"] .data-table td { display: block; width: 100%; }
  .table-wrapper[data-mobile-cards="true"] .data-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
  .table-wrapper[data-mobile-cards="true"] .data-table tbody { display: grid; gap: 10px; }
  .table-wrapper[data-mobile-cards="true"] .data-table tbody tr { padding: 10px 12px; border: 1px solid var(--ui-border); border-radius: 14px; background: #fff; box-shadow: var(--ui-shadow-xs); }
  .table-wrapper[data-mobile-cards="true"] .data-table tbody td { min-height: 34px; padding: 8px 0; border-bottom: 1px dashed var(--ui-border); white-space: normal; text-align: right; }
  .table-wrapper[data-mobile-cards="true"] .data-table tbody td:last-child { border-bottom: 0; }
  .table-wrapper[data-mobile-cards="true"] .data-table tbody td::before { content: attr(data-label); float: left; max-width: 47%; margin-right: 12px; color: var(--ui-text-muted); font-size: 9.5px; font-weight: 750; text-align: left; text-transform: uppercase; letter-spacing: .03em; }
  .table-wrapper[data-mobile-cards="true"] .data-table tbody td[colspan] { text-align: center; }
  .table-wrapper[data-mobile-cards="true"] .data-table tbody td[colspan]::before { content: none; }

  .toast-container { top: 70px; right: 10px; left: 10px; width: auto; }
  .notif-popup, .reminder-toast { top: 70px; right: 10px; left: 10px; width: auto; }
  .vault-toolbar { align-items: stretch; flex-direction: column; }
  .vault-list-header { align-items: stretch; }
  .vault-list-header .filter-bar { min-width: 100%; }
  .vault-lock-shell { margin: 20px auto; }
  .vault-lock-card { padding: 28px 20px; }
  .cal-grid { min-width: 780px; }
  .cal-grid-wrap { overflow-x: auto; }
  .asset-detail-row, .mai-row { grid-template-columns: 1fr; gap: 4px; }
  .dept-user-bar { align-items: stretch; flex-direction: column; }
}

@media (max-width: 430px) {
  .header-right .header-btn:first-of-type { display: none; }
  .page-title { max-width: 150px; }
  .v15-page-head h1 { font-size: 25px; }
  .v15-kpi-grid { grid-template-columns: 1fr 1fr; gap: 9px; }
  .v15-kpi { min-height: 118px; padding: 13px; }
  .v15-kpi-value { font-size: 23px; }
  .v15-quick-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .v15-date-range { display: grid; grid-template-columns: 1fr 1fr; }
  .v15-date-field { min-width: 0; }
  .v15-date-field input { width: 100%; min-width: 0; }
  .nc-summary { grid-template-columns: 1fr; }
}

@media (max-width: 1120px) {
  .proc-grid { grid-template-columns: 1fr; }
  .proc-filter { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .task-search-wrap { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .grid-4, .proc-filter, .task-search-wrap { grid-template-columns: 1fr; }
  .proc-hero { padding: 16px; border-radius: 18px; }
  .proc-card, .preventive-card { padding: 15px; }
  .proc-steps { grid-template-columns: 1fr; }
  .proc-step { min-height: 50px; }
  .proc-tl-item { grid-template-columns: 1fr; gap: 3px; }
  .summary-box { min-width: calc(50% - 6px); }
}


@media(max-width:1180px){
  .v15-calendar-toolbar{align-items:flex-start;flex-direction:column}
  .v10-cal-filter{justify-content:flex-start}
  .v10-calendar-layout{grid-template-columns:1fr}
  .v10-agenda{position:static;max-height:none}
  .v15-agenda-stack{max-height:360px}
}
@media(max-width:760px){
  .v15-calendar-toolbar{padding:11px;border-radius:16px}
  .v15-calendar-nav{min-width:0;width:100%;justify-content:space-between}
  .v15-cal-month{min-width:0;flex:1}
  .v10-cal-filter{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));width:100%}
  .v10-cal-filter button{padding:8px 6px}
  .v10-calendar{padding:8px;border-radius:17px;overflow-x:auto}
  .v10-cal-grid{display:grid!important;min-width:720px}
  .v10-cal-cell{min-height:112px;margin-bottom:0}
}