@media (max-width: 1120px) {
  .header-desktop {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 12px;
  }

  .brand-link img {
    width: 172px;
  }

  .nav-button {
    padding-inline: 8px;
    font-size: 12px;
  }

  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .capacity-overview {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cycle-capacity-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  :root {
    --header-height: 76px;
  }

  .site-header {
    border-bottom-width: 4px;
  }

  .header-desktop {
    display: none;
  }

  .header-mobile {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 0 16px;
  }

  .header-mobile img {
    width: 160px;
    height: auto;
  }

  .menu-button {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border: 1px solid var(--amsa-ink);
    background: var(--surface);
  }

  .menu-lines,
  .menu-lines::before,
  .menu-lines::after {
    width: 16px;
    height: 2px;
    display: block;
    background: var(--amsa-ink);
    transition: transform 160ms ease, opacity 160ms ease;
  }

  .menu-lines {
    position: relative;
  }

  .menu-lines::before,
  .menu-lines::after {
    content: "";
    position: absolute;
    left: 0;
  }

  .menu-lines::before {
    top: -6px;
  }

  .menu-lines::after {
    top: 6px;
  }

  .menu-button[aria-expanded="true"] .menu-lines {
    background: transparent;
  }

  .menu-button[aria-expanded="true"] .menu-lines::before {
    top: 0;
    transform: rotate(45deg);
  }

  .menu-button[aria-expanded="true"] .menu-lines::after {
    top: 0;
    transform: rotate(-45deg);
  }

  .mobile-panel {
    display: grid;
    gap: 8px;
    padding: 10px 16px 14px;
    border-top: 1px solid var(--line);
    background: var(--surface);
  }

  .mobile-role {
    width: 100%;
    border-radius: 2px;
  }

  .mobile-role select {
    width: 100%;
    max-width: none;
  }

  .mobile-nav {
    display: grid;
  }

  .mobile-nav .nav-button {
    min-height: 46px;
    padding: 0 10px;
    border-bottom: 1px solid var(--line);
    text-align: left;
  }

  .mobile-nav .nav-button[aria-current="page"]::after {
    top: 8px;
    right: auto;
    bottom: 8px;
    left: 0;
    width: 4px;
    height: auto;
  }

  .main-content {
    width: min(calc(100% - 28px), var(--max-width));
    padding-top: 18px;
  }

  .operation-grid,
  .grid-2,
  .grid-2-even {
    grid-template-columns: 1fr;
  }

  .access-profile-grid {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .table-scroll-hint {
    display: block;
  }

  .section-head {
    min-width: 0;
    min-height: 0;
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
  }

  .segmented {
    width: 100%;
  }

  .segment-button {
    min-width: 0;
    flex: 1 1 0;
  }

  .section-head .inline-actions {
    align-self: flex-start;
  }

  .page-header {
    min-height: 84px;
    align-items: flex-start;
  }

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

  .page-actions .button.secondary-on-mobile {
    display: none;
  }

  .grid-4,
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .kpi {
    min-height: 110px;
    padding: 14px 13px;
  }

  .kpi > strong {
    font-size: 27px;
  }

  .panel {
    padding: 15px;
  }

  .panel.flush {
    padding: 0;
  }

  .metric-strip {
    grid-template-columns: 1fr;
  }

  .module-toggle-grid {
    grid-template-columns: 1fr;
  }

  .filters {
    align-items: stretch;
  }

  .filter-group,
  .filter-group.grow {
    min-width: min(100%, 210px);
    flex: 1 1 160px;
  }

  .filter-group.grow {
    flex-basis: 100%;
  }

  .visit-row {
    grid-template-columns: 58px minmax(0, 1fr) 48px;
  }

  .visit-actor {
    grid-column: 2 / -1;
    padding-top: 7px;
    border-top: 1px solid var(--line);
  }

  .space-number {
    grid-column: 3;
    grid-row: 1;
  }

  .visit-actions {
    grid-column: 2 / -1;
    grid-template-columns: repeat(2, minmax(0, max-content));
    justify-content: start;
    padding-top: 7px;
    border-top: 1px solid var(--line);
  }

  .cycle-capacity-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .assignment-block,
  .assignment-empty {
    grid-template-columns: 1fr;
  }

  .assignment-block-rule {
    text-align: left;
  }

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

  .form-control.full {
    grid-column: auto;
  }

  .dialog-head,
  .dialog-body,
  .dialog-foot {
    padding-inline: 15px;
  }

  .audit-event {
    grid-template-columns: 36px minmax(0, 1fr);
  }

  .audit-event time {
    grid-column: 2;
    text-align: left;
  }

  .validation-row {
    grid-template-columns: 58px minmax(0, 1fr);
  }

  .validation-row .tag {
    grid-column: 2;
    justify-self: start;
  }

  .footer-inner {
    width: min(calc(100% - 28px), 1120px);
    gap: 12px;
  }
}

@media (max-width: 440px) {
  .header-mobile img {
    width: 148px;
  }

  .mobile-brand .demo-label {
    max-width: 190px;
  }

  .main-content {
    width: calc(100% - 24px);
  }

  .page-header {
    gap: 10px;
  }

  .page-actions {
    max-width: 130px;
  }

  .page-actions .button {
    min-height: 40px;
    padding-inline: 11px;
  }

  .grid-4,
  .grid-3 {
    gap: 9px;
  }

  .kpi > span {
    min-height: 32px;
    font-size: 11px;
  }

  .kpi > small {
    line-height: 1.25;
  }

  .panel-head {
    align-items: flex-start;
  }

  .inventory-bar {
    grid-template-columns: 106px minmax(0, 1fr) 34px;
  }

  .role-banner {
    align-items: flex-start;
    flex-direction: column;
  }

  .capacity-overview,
  .cycle-capacity-grid {
    grid-template-columns: 1fr;
  }

  .occupancy-legend {
    display: grid;
  }

  .alert-button {
    grid-template-columns: 40px minmax(0, 1fr) 16px;
  }

  .audit-change {
    grid-template-columns: 1fr;
  }

  .audit-change .audit-arrow {
    transform: rotate(90deg);
  }

  .site-footer {
    margin-top: 2px;
  }

  .footer-inner {
    min-height: 72px;
    font-size: 10px;
  }

  .footer-inner > span {
    max-width: 122px;
    justify-content: flex-end;
    text-align: right;
  }

  .toast {
    right: 12px;
    bottom: 12px;
    width: min(310px, calc(100% - 24px));
    padding: 10px 12px;
  }
}

@media (max-width: 350px) {
  .grid-4,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

@media print {
  .site-header,
  .page-actions,
  .filters,
  .site-footer {
    display: none !important;
  }

  body,
  html,
  .page-shell {
    background: #fff;
  }

  .main-content {
    width: 100%;
    padding: 0;
  }
}