.mobile-sidebar-backdrop {
  display: none;
}

.pwa-install-button { color: #0878ed; font-weight: 800; }
.pwa-install-guide { display: grid; grid-template-columns: 84px 1fr; gap: 18px; align-items: start; margin-top: 14px; }
.pwa-install-guide img { width: 84px; height: 84px; border-radius: 19px; box-shadow: 0 10px 24px rgba(10, 45, 84, .18); }
.pwa-install-guide p { margin-top: 0; }
.pwa-install-guide ol { margin: 12px 0 0; padding-left: 20px; }
.pwa-install-guide li { margin: 9px 0; }
.pwa-install-note { color: #58708c; font-size: 13px; }

@supports (padding: max(0px)) {
  .topbar { padding-top: max(10px, env(safe-area-inset-top)); }
  .sidebar { padding-top: env(safe-area-inset-top); padding-bottom: env(safe-area-inset-bottom); }
}

@media (min-width: 761px) and (max-width: 1024px) {
  body.mobile-nav-open {
    overflow: hidden;
  }

  main {
    margin-left: 0;
  }

  .topbar {
    position: sticky;
    top: 0;
    z-index: 30;
    height: 72px;
    padding: 0 24px;
    gap: 14px;
    box-shadow: 0 3px 14px rgba(17, 24, 39, .06);
  }

  .mobile-menu {
    display: grid;
    flex: none;
    width: 40px;
    height: 40px;
    padding: 0;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: #fff;
    color: #1d3145;
  }

  .search {
    width: min(360px, 38vw);
  }

  .top-actions > #helpButton {
    display: grid !important;
  }

  .sidebar {
    z-index: 40;
    width: 286px;
    transform: translateX(-100%);
    transition: transform .25s;
    box-shadow: 22px 0 65px rgba(2, 18, 38, .4);
  }

  .sidebar.open {
    transform: none;
  }

  .mobile-sidebar-backdrop {
    position: fixed;
    inset: 0;
    z-index: 35;
    display: block;
    background: rgba(4, 15, 28, .45);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s;
    backdrop-filter: blur(2px);
  }

  .mobile-sidebar-backdrop.show {
    opacity: 1;
    pointer-events: auto;
  }

  .view {
    padding: 30px 26px;
  }

  .stats,
  .forms-summary,
  .contracts-summary,
  .library-summary,
  .inventory-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .asset-grid,
  .client-grid,
  .library-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contracts-layout,
  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .table-wrap {
    max-width: calc(100vw - 52px);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  dialog {
    max-width: calc(100vw - 48px);
    max-height: calc(100dvh - 48px);
    overflow-y: auto;
  }
}

@media (max-width: 760px) {
  body.mobile-nav-open {
    overflow: hidden;
  }

  .pwa-install-guide { grid-template-columns: 62px 1fr; gap: 13px; }
  .pwa-install-guide img { width: 62px; height: 62px; border-radius: 14px; }

  .topbar {
    position: sticky;
    top: 0;
    z-index: 30;
    height: auto;
    min-height: 68px;
    padding: 10px 14px;
    flex-wrap: wrap;
    gap: 9px;
    box-shadow: 0 3px 14px rgba(17, 24, 39, .06);
  }

  .mobile-menu {
    display: grid;
    flex: none;
    width: 38px;
    height: 38px;
    padding: 0;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: #fff;
    color: #1d3145;
  }

  .top-actions {
    margin-left: auto;
    gap: 6px;
  }

  .top-actions > .icon-btn {
    display: grid;
    width: 34px;
    height: 34px;
    place-items: center;
  }

  .top-actions > #helpButton {
    display: grid !important;
  }

  .top-profile {
    gap: 6px;
    padding: 4px 5px;
  }

  .top-profile .avatar {
    width: 30px;
    height: 30px;
  }

  .logout-button {
    padding: 7px 8px;
  }

  .search {
    order: 3;
    flex: 0 0 100%;
    width: 100%;
    max-width: none;
    padding: 9px 12px;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: #f8fafc;
  }

  .sidebar {
    z-index: 40;
    width: min(286px, 86vw);
    box-shadow: 22px 0 65px rgba(2, 18, 38, .4);
  }

  .mobile-sidebar-backdrop {
    position: fixed;
    inset: 0;
    z-index: 35;
    display: block;
    background: rgba(4, 15, 28, .48);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s;
    backdrop-filter: blur(2px);
  }

  .mobile-sidebar-backdrop.show {
    opacity: 1;
    pointer-events: auto;
  }

  .view {
    padding: 22px 14px 30px;
  }

  .page-heading {
    flex-direction: column;
    align-items: stretch;
    margin-bottom: 20px;
  }

  .page-heading h1 {
    font-size: 24px;
  }

  .page-heading > button,
  .page-heading > .primary,
  .page-heading [class$="-heading-actions"] {
    width: 100%;
  }

  .page-heading [class$="-heading-actions"] {
    display: grid;
    grid-template-columns: 1fr;
  }

  .page-heading [class$="-heading-actions"] button {
    width: 100%;
  }

  .filters {
    flex-direction: column;
  }

  .filters input,
  .filters select {
    width: 100%;
    min-height: 42px;
  }

  .stats,
  .forms-summary,
  .contracts-summary,
  .library-summary,
  .inventory-summary {
    gap: 10px;
  }

  .panel-head {
    align-items: flex-start;
    gap: 10px;
    padding: 16px;
  }

  .ticket-row {
    grid-template-columns: 66px minmax(0, 1fr);
    padding: 13px 14px;
  }

  .ticket-row .badge,
  .ticket-row .status {
    grid-column: 2;
  }

  .table-wrap {
    max-width: calc(100vw - 28px);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  table {
    min-width: 720px;
  }

  .manual-forms {
    padding: 16px;
  }

  .manual-forms > div:last-child,
  .document-actions,
  .library-actions,
  .detail-actions {
    flex-wrap: wrap;
  }

  dialog {
    width: calc(100vw - 20px);
    max-width: none;
    max-height: calc(100dvh - 20px);
    border-radius: 14px;
    overflow-y: auto;
  }

  dialog form,
  #detailContent,
  .header-tool-content {
    padding: 18px;
  }

  .modal-head {
    gap: 12px;
    margin-bottom: 16px;
  }

  .modal-head h2 {
    font-size: 19px;
  }

  .form-grid input,
  .form-grid select,
  .form-grid textarea {
    min-height: 44px;
    font-size: 16px;
  }

  .modal-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .modal-actions button,
  .detail-actions button {
    width: 100%;
    min-height: 43px;
  }

  .header-tool-item {
    padding: 12px;
  }

  .toast {
    right: 12px;
    bottom: 12px;
    left: 12px;
    text-align: center;
  }
}

@media (max-width: 420px) {
  .top-profile .profile-copy {
    display: none;
  }

  .view {
    padding-inline: 12px;
  }

  .stats {
    grid-template-columns: 1fr;
  }
}