@media (max-width: 1100px) {
  .dashboard-page .stat-grid,
  .dashboard-page .dash-links,
  .affiliate-settings-page .rate-hero,
  .store-page .rate-hero,
  .detail-grid,
  .posts-page .post-board {
    grid-template-columns: 1fr 1fr;
  }

  .variant-row {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

@media (max-width: 900px) {
  .admin-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 30;
    transform: translateX(-108%);
    transition: transform 0.22s ease;
    min-height: 100%;
    overflow: auto;
  }

  .admin-shell.is-nav-open .admin-sidebar {
    transform: translateX(0);
  }

  .admin-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(10, 28, 46, 0.45);
    z-index: 25;
    opacity: 0;
    pointer-events: none;
  }

  .admin-shell.is-nav-open .admin-backdrop {
    opacity: 1;
    pointer-events: auto;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .admin-topbar {
    padding: 0.9rem 1rem;
  }

  .admin-content,
  .admin-footer {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .page-hero {
    flex-direction: column;
    align-items: flex-start;
  }

  .topbar-kicker,
  .topbar-name {
    display: none;
  }

  .field-grid,
  .dashboard-page .stat-grid,
  .dashboard-page .dash-links,
  .affiliate-settings-page .rate-hero,
  .store-page .rate-hero,
  .detail-grid,
  .posts-page .post-board,
  .attr-row,
  .override-row {
    grid-template-columns: 1fr;
  }

  .variant-row {
    grid-template-columns: 1fr 1fr;
  }

  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-bar .field {
    min-width: 0;
  }

  .login-page {
    padding: 1.2rem 0.8rem;
  }

  .login-page .login-panel {
    padding: 1.5rem 1.15rem 1.3rem;
  }

  .login-page h1,
  .affiliate-settings-page .rate-hero h2,
  .store-page .rate-hero h2,
  h1 {
    font-size: 1.7rem;
  }

  .user-detail-page .user-hero-identity,
  .pet-detail-page .pet-hero-identity {
    align-items: flex-start;
  }

  .edit-product-page .form-actions .btn-danger,
  .pet-detail-page .form-actions .btn-danger {
    margin-left: 0;
  }

  .form-actions,
  .modal-actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 640px) {
  .variant-row {
    grid-template-columns: 1fr;
  }

  .dashboard-page .stat-value {
    font-size: 1.7rem;
  }

  .image-board {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  }

  .image-chip,
  .image-chip img {
    width: 100%;
  }

  .modal-card,
  .modal-card-wide {
    width: 100%;
  }

  .posts-page .post-media,
  .posts-page .post-media img,
  .posts-page .post-media video,
  .posts-page .post-text-frame,
  .post-detail-page .post-detail-text {
    height: 180px;
  }

  .inventory-page .data-table .field {
    min-width: 0;
  }
}