@media (max-width: 68rem) {
  :root {
    --sidebar-width: 13.5rem;
  }

  .main-content,
  .topbar {
    padding-inline: var(--space-5);
  }

  .page-grid--main-aside {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 47.99rem) {
  :root {
    --topbar-height: 4.25rem;
  }

  body {
    padding-bottom: calc(4.25rem + env(safe-area-inset-bottom));
  }

  body:has(.auth-shell:not([hidden])) {
    padding-bottom: 0;
  }

  .auth-shell {
    min-height: 100svh;
    padding: var(--space-4);
  }

  .auth-card {
    padding: var(--space-6) var(--space-5);
  }

  .sidebar {
    display: none;
  }

  .workspace {
    margin-left: 0;
  }

  .topbar {
    min-height: var(--topbar-height);
    padding: 0 var(--space-4);
  }

  .topbar__title {
    display: none;
  }

  .topbar__mobile-workspace {
    position: relative;
    display: block;
    min-width: 0;
  }

  .mobile-workspace-button {
    display: flex;
    min-height: 2rem;
    max-width: 12rem;
    align-items: center;
    gap: var(--space-1);
    padding: 0;
    overflow: hidden;
    background: transparent;
    cursor: pointer;
    font-size: 0.8125rem;
    font-weight: 800;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .workspace-menu--mobile {
    width: min(20rem, calc(100vw - 2rem));
  }

  .topbar__actions {
    gap: var(--space-2);
  }

  .status-pill {
    min-height: 1.8rem;
    padding-inline: var(--space-2);
    font-size: 0.6875rem;
  }

  .status-pill__desktop {
    display: none;
  }

  .status-pill__mobile {
    display: inline;
  }

  .avatar {
    display: none;
  }

  .main-content {
    padding: var(--space-4) var(--space-3) var(--space-6);
  }

  .page {
    gap: var(--space-4);
  }

  .summary-banner {
    min-height: 7.25rem;
    padding: var(--space-4);
  }

  .summary-banner__icon {
    display: none;
  }

  .summary-banner h2 {
    font-size: 1.2rem;
  }

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

  .page-grid--2,
  .notes-grid,
  .admin-grid {
    grid-template-columns: 1fr;
  }

  .danger-zone {
    align-items: stretch;
    flex-direction: column;
  }

  .danger-zone .item-action {
    width: 100%;
  }

  .page-grid--3 > :first-child:last-child,
  .page-grid--3 > :nth-child(3):last-child {
    grid-column: 1 / -1;
  }

  .card {
    padding: var(--space-4);
  }

  .metric-card {
    min-height: 7.75rem;
  }

  .metric-card__value {
    font-size: 1.25rem;
  }

  .metric-card__label {
    font-size: 0.625rem;
  }

  .page-intro {
    display: grid;
    align-items: start;
  }

  .filter-tabs {
    width: 100%;
  }

  .filter-tab {
    flex: 0 0 auto;
  }

  .activity-item {
    grid-template-columns: 2.15rem 1fr;
  }

  .activity-item time {
    display: none;
  }

  .data-table thead {
    display: none;
  }

  .data-table,
  .data-table tbody,
  .data-table tr,
  .data-table td {
    display: block;
    width: 100%;
  }

  .data-table tbody {
    display: grid;
    gap: var(--space-3);
  }

  .data-table tr {
    position: relative;
    padding: var(--space-3);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
  }

  .data-table td {
    padding: 0;
    border: 0;
  }

  .data-table td + td {
    margin-top: var(--space-2);
  }

  .data-table td:last-child {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    width: auto;
    margin: 0;
  }

  .data-table .table-primary,
  .data-table .table-secondary {
    max-width: calc(100% - 7.5rem);
  }

  .schedule-item {
    grid-template-columns: 3.75rem 1fr;
    align-items: start;
    gap: var(--space-3);
  }

  .schedule-side {
    grid-column: 2;
    justify-items: start;
  }

  .schedule-meta {
    display: grid;
    gap: var(--space-1);
  }

  .member-row {
    grid-template-columns: 2.5rem 1fr auto;
  }

  .member-avatar {
    width: 2.5rem;
    height: 2.5rem;
  }

  .member-stat {
    display: none;
  }

  .mobile-nav {
    position: fixed;
    z-index: 60;
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    min-height: calc(4.25rem + env(safe-area-inset-bottom));
    padding: 0.35rem var(--space-2) env(safe-area-inset-bottom);
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid var(--line);
    background: rgb(255 255 255 / 0.97);
    box-shadow: 0 -8px 24px rgb(41 26 19 / 0.05);
    backdrop-filter: blur(14px);
  }

  .mobile-nav__item {
    display: grid;
    min-width: 0;
    min-height: 3.5rem;
    place-items: center;
    align-content: center;
    gap: 0.2rem;
    border-radius: var(--radius-sm);
    color: var(--ink-600);
    background: transparent;
    cursor: pointer;
    font-size: 0.625rem;
    font-weight: 700;
  }

  .mobile-nav__item[aria-current="page"],
  .mobile-nav__item[aria-expanded="true"] {
    color: var(--orange-700);
    background: var(--orange-50);
  }

  .mobile-nav__item .icon {
    width: 1.2rem;
    height: 1.2rem;
  }

  .backdrop {
    position: fixed;
    z-index: 49;
    inset: 0;
    display: block;
    background: rgb(41 25 18 / 0.32);
    backdrop-filter: blur(1px);
  }

  .mobile-more-menu {
    position: fixed;
    z-index: 70;
    right: var(--space-3);
    bottom: calc(4.65rem + env(safe-area-inset-bottom));
    left: var(--space-3);
    display: grid;
    padding: var(--space-2);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: white;
    box-shadow: var(--shadow-lg);
  }

  .mobile-more-menu button {
    display: flex;
    min-height: 3rem;
    align-items: center;
    gap: var(--space-3);
    padding: 0 var(--space-3);
    border-radius: var(--radius-sm);
    background: transparent;
    cursor: pointer;
    font-size: 0.8125rem;
    font-weight: 700;
  }

  .mobile-more-menu button:hover,
  .mobile-more-menu button[aria-current="page"] {
    color: var(--orange-700);
    background: var(--orange-50);
  }

  .toast-region {
    right: var(--space-3);
    bottom: calc(5.25rem + env(safe-area-inset-bottom));
    left: var(--space-3);
    width: auto;
  }

  .form-grid { grid-template-columns: 1fr; }
  .form-field--wide, .checkbox-field { grid-column: auto; }
  .modal-layer { align-items: end; padding: var(--space-2); }
  .modal-layer > * { width: 100%; max-height: 86svh; padding: var(--space-4); border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
  .modal__actions { display: grid; grid-template-columns: 1fr 1fr; }
  .modal__actions .primary-button, .modal__actions .secondary-button { width: 100%; padding-inline: var(--space-2); }
}

@media (max-width: 23rem) {
  .page-grid--3 {
    grid-template-columns: 1fr;
  }

  .page-grid--3 > * {
    grid-column: auto !important;
  }

  .status-pill {
    padding-inline: 0.45rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}