@media (max-width: 991.98px) {
  html {
    font-size: 16px;
  }

  body {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, .88), rgba(245, 247, 251, .98)),
      #f2f4f8;
    -webkit-font-smoothing: antialiased;
  }

  .global-training-progress {
    top: calc(4.15rem + env(safe-area-inset-top));
    right: max(.75rem, env(safe-area-inset-right));
    left: max(.75rem, env(safe-area-inset-left));
  }

  .global-training-progress__content {
    grid-template-columns: 1fr;
    gap: .65rem;
    padding: .85rem .95rem;
    border-radius: 16px;
  }

  .global-training-progress__copy span {
    white-space: normal;
  }

  .global-training-progress__actions {
    justify-content: flex-end;
  }

  .app-shell {
    display: block;
  }

  .sidebar {
    display: none;
  }

  .content-shell {
    padding: 0;
  }

  .mobile-topbar {
    position: sticky;
    z-index: 20;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: calc(62px + env(safe-area-inset-top));
    padding: calc(.78rem + env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) .78rem max(1rem, env(safe-area-inset-left));
    background:
      linear-gradient(180deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, 0)),
      var(--ink);
    color: var(--white);
    box-shadow: 0 10px 24px rgba(16, 40, 84, .18);
  }

  .sidebar-toggle {
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: 999px;
    background: rgba(255, 255, 255, .1);
    color: var(--white);
    font-family: var(--font-head);
    font-size: .95rem;
    font-weight: 700;
    min-height: 42px;
    padding: .48rem .9rem;
  }

  .content-canvas {
    min-height: calc(100vh - 62px - env(safe-area-inset-top));
    padding: 1rem max(1rem, env(safe-area-inset-right)) calc(1.1rem + env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  .mobile-nav-panel .offcanvas-body {
    padding: 1.25rem;
  }

  .mobile-nav-panel {
    width: min(86vw, 340px) !important;
    border-right: 0;
    box-shadow: 14px 0 34px rgba(16, 40, 84, .22);
  }

  .side-nav {
    min-height: calc(100vh - 2.5rem);
  }

  .page-heading {
    display: block;
    margin-bottom: 1rem;
    padding-bottom: .8rem;
  }

  .page-heading h1 {
    font-size: clamp(1.55rem, 8vw, 2rem);
    line-height: 1.08;
  }

  .page-heading p {
    font-size: .98rem;
    line-height: 1.45;
  }

  .page-heading .btn {
    margin-top: .8rem;
  }

  .surface,
  .auth-panel,
  .action-card {
    border-radius: 18px;
    box-shadow: 0 10px 30px rgba(16, 40, 84, .1);
  }

  .surface {
    padding: 1rem;
  }

  .auth-panel {
    margin: 1.2rem auto;
    padding: 1.15rem;
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
    gap: .8rem;
  }

  .action-card {
    min-height: 112px;
    padding: 1rem;
  }

  .action-card strong {
    font-size: 1rem;
  }

  .btn {
    min-height: 44px;
    border-radius: 12px;
    font-size: .96rem;
  }

  .btn-sm {
    min-height: 38px;
    border-radius: 11px;
    font-size: .9rem;
  }

  .document-card {
    grid-template-columns: 1fr;
  }

  .document-card-actions {
    justify-content: flex-end;
  }

  .chat-open-btn {
    min-width: 104px;
    min-height: 42px;
    justify-content: center;
  }

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

  .chat-list-filter-actions .btn {
    flex: 1 1 0;
  }

  .chat-start-new {
    right: max(.85rem, env(safe-area-inset-right));
    bottom: max(.85rem, env(safe-area-inset-bottom));
  }

  .form-label {
    margin-bottom: .35rem;
    font-size: .88rem;
  }

  .form-control,
  .form-select {
    min-height: 46px;
    border-radius: 14px;
    padding: .72rem .85rem;
    font-size: 1rem;
    box-shadow: 0 1px 0 rgba(16, 40, 84, .04);
  }

  textarea.form-control {
    min-height: 104px;
  }

  .table-responsive {
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
  }

  .table {
    margin-bottom: 0;
    font-size: .92rem;
  }

  .catalog-page-heading {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: .85rem;
    align-items: end;
    margin-bottom: .65rem;
  }

  .catalog-category-toggle {
    display: inline-flex;
    max-width: 46vw;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 124px;
  }

  .catalog-page-heading > div:first-child p {
    display: none;
  }

  .catalog-workspace,
  .mapping-grid {
    grid-template-columns: 1fr;
  }

  .catalog-items {
    max-height: none;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
  }

  .catalog-items > .catalog-panel-header {
    padding: .15rem .2rem 0;
  }

  .catalog-mobile-toolbar {
    position: sticky;
    z-index: 15;
    top: calc(62px + env(safe-area-inset-top));
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: .55rem;
    margin: 0 -.15rem .75rem;
    padding: .65rem .15rem;
    background: rgba(245, 247, 251, .96);
    backdrop-filter: blur(14px);
  }

  .catalog-search-form {
    min-width: 0;
    margin: 0;
  }

  .catalog-search-form .input-group {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
  }

  .catalog-search-form .input-group .form-control {
    width: 100%;
    border-radius: 14px 0 0 14px;
  }

  .catalog-search-form .input-group .btn-primary {
    border-radius: 0 14px 14px 0;
  }

  .catalog-search-form .input-group .btn-outline-secondary {
    margin-left: .35rem;
    border-radius: 14px;
  }

  .catalog-search-status {
    display: block;
    min-height: 1rem;
    margin-top: .18rem;
    color: var(--muted);
    font-size: .72rem;
  }

  .catalog-categories-backdrop {
    position: fixed;
    z-index: 1040;
    inset: 0;
    display: block;
    background: rgba(16, 40, 84, .36);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease;
  }

  .catalog-categories {
    position: fixed;
    z-index: 1041;
    top: 0;
    bottom: 0;
    left: 0;
    width: min(86vw, 360px);
    max-height: none;
    overflow-y: auto;
    padding: calc(1rem + env(safe-area-inset-top)) 1rem calc(1rem + env(safe-area-inset-bottom));
    border: 0;
    border-radius: 0 22px 22px 0;
    box-shadow: 16px 0 38px rgba(16, 40, 84, .24);
    transform: translateX(-105%);
    transition: transform .24s ease;
  }

  body.catalog-categories-open {
    overflow: hidden;
  }

  .catalog-categories .catalog-panel-header {
    position: sticky;
    z-index: 2;
    top: calc(-1rem - env(safe-area-inset-top));
    margin: calc(-1rem - env(safe-area-inset-top)) -1rem .65rem;
    padding: calc(1rem + env(safe-area-inset-top)) 1rem .75rem;
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, .97);
    backdrop-filter: blur(14px);
  }

  .catalog-category-search {
    position: sticky;
    z-index: 2;
    top: 4.8rem;
    display: block;
    margin-bottom: .65rem;
    background: #fff;
  }

  .compact-category-grid .compact-grid-head {
    display: none;
  }

  .compact-category-grid .compact-grid-row:not(.edit-row):not(.add-row),
  .compact-category-grid .edit-row,
  .compact-category-grid .add-row {
    grid-template-columns: 1fr;
    gap: .55rem;
    padding: .65rem;
  }

  .catalog-row-link {
    grid-template-columns: minmax(74px, auto) minmax(0, 1fr);
    min-height: 44px;
  }

  .compact-category-grid .row-actions,
  .compact-category-grid .row-actions .btn {
    width: 100%;
  }

  .compact-category-grid .row-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  }

  .catalog-quant-parameter-row {
    grid-template-columns: 1fr;
  }

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

  .catalog-category-modal-actions,
  .catalog-category-modal-actions .btn {
    width: 100%;
  }

  .catalog-quant-parameter-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: .15rem;
  }

  .catalog-categories.is-open {
    transform: translateX(0);
  }

  .catalog-categories-backdrop.is-open {
    opacity: 1;
    pointer-events: auto;
  }

  .catalog-categories-close {
    display: inline-flex;
  }

  .mapping-grid {
    min-height: 0;
  }

  .mapping-list,
  .mapping-table {
    max-height: none;
  }

  .mapping-list-row,
  .mapping-assigned-row,
  .mapping-add-form {
    grid-template-columns: 1fr;
  }

  .mapping-row-meta {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .compact-item-grid .compact-grid-head {
    display: none;
  }

  .compact-item-grid .compact-grid-row,
  .item-edit-card {
    grid-template-columns: 1fr;
  }

  .item-list {
    overflow: visible;
    padding: 0;
    gap: .7rem;
  }

  .item-card {
    gap: .48rem;
    padding: .8rem;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 6px 18px rgba(16, 40, 84, .07);
  }

  .item-card-primary-link {
    gap: .48rem;
  }

  .item-card-view {
    display: inline-flex;
    width: 100%;
    align-items: center;
    justify-content: center;
  }

  .item-main-line {
    display: grid;
    gap: .28rem;
  }

  .item-main-line .mono {
    width: fit-content;
    padding: .16rem .42rem;
    border-radius: 999px;
    background: rgba(16, 40, 84, .08);
    color: var(--primary);
    font-size: .76rem;
  }

  .item-main-line strong {
    overflow: visible;
    font-size: 1rem;
    white-space: normal;
    text-overflow: clip;
  }

  .item-category-line {
    width: fit-content;
    max-width: 100%;
    padding: .2rem .52rem;
    border-radius: 999px;
    background: var(--pink-soft);
    color: var(--ink);
    white-space: normal;
  }

  .item-meta-line,
  .item-detail-line {
    grid-template-columns: 1fr;
  }

  .item-description-line--desktop {
    display: none;
  }

  .item-description-disclosure {
    display: block;
    min-width: 0;
  }

  .item-description-disclosure summary {
    min-height: 36px;
    color: var(--primary);
    font-weight: 700;
    cursor: pointer;
  }

  .item-description-disclosure p {
    margin: .35rem 0 0;
    overflow-wrap: anywhere;
    color: var(--text);
    font-size: .9rem;
    line-height: 1.48;
  }

  .item-card-actions,
  .item-edit-actions,
  .item-edit-card .row-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    width: 100%;
  }

  .item-card-actions .btn,
  .item-edit-actions .btn,
  .item-edit-card .row-actions .btn {
    width: 100%;
  }

  .item-edit-card {
    padding: .85rem;
    border-radius: 16px;
  }

  .pagination-strip {
    justify-content: space-between;
    padding-bottom: .25rem;
  }

  .catalog-knowledge-drawer {
    width: 100vw;
    max-width: 100vw;
    padding-bottom: env(safe-area-inset-bottom);
  }

  .catalog-knowledge-header {
    position: sticky;
    z-index: 4;
    top: 0;
    padding-top: calc(1rem + env(safe-area-inset-top));
    background: rgba(255, 255, 255, .97);
    backdrop-filter: blur(14px);
  }

  .catalog-knowledge-body {
    overflow-x: hidden;
    padding-bottom: calc(1rem + env(safe-area-inset-bottom));
  }

  .catalog-knowledge-entry,
  .catalog-knowledge-add {
    min-width: 0;
    padding: .8rem;
    border-radius: 14px;
  }

  .catalog-quant-value-card {
    max-width: 100%;
  }

  .catalog-quant-value-add-form {
    grid-template-columns: 1fr;
  }

  .catalog-knowledge-reference a,
  .catalog-knowledge-reference strong {
    overflow-wrap: anywhere;
  }

  .catalog-image-strip,
  .catalog-image-picker-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .catalog-knowledge-inline-form,
  .catalog-image-picker-search,
  .thumbnail-backfill-form,
  .catalog-image-delete-grid {
    grid-template-columns: 1fr;
  }

  .catalog-image-delete-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .catalog-image-delete-actions form,
  .catalog-image-delete-actions .btn {
    width: 100%;
  }

  .chat-thread-summary--desktop {
    display: none;
  }

  .chat-page-heading {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: .7rem;
    align-items: center;
  }

  .chat-page-heading .page-title {
    min-width: 0;
  }

  .chat-page-heading .page-title span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .chat-page-heading .btn {
    margin-top: 0;
  }

  .chat-thread-summary--mobile {
    display: block;
    padding: .75rem .85rem;
    border-radius: 18px;
  }

  .chat-thread-summary--mobile summary {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: .7rem;
    align-items: center;
    cursor: pointer;
    list-style: none;
  }

  .chat-thread-summary--mobile summary::-webkit-details-marker {
    display: none;
  }

  .chat-thread-summary--mobile summary > span:first-child,
  .chat-thread-summary__details > div {
    display: grid;
    gap: .12rem;
    min-width: 0;
  }

  .chat-thread-summary--mobile summary strong,
  .chat-thread-summary__details strong,
  .chat-thread-summary__details small {
    overflow-wrap: anywhere;
  }

  .chat-thread-summary--mobile summary small,
  .chat-thread-summary__details span,
  .chat-thread-summary__details small {
    color: var(--muted);
    font-size: .76rem;
  }

  .chat-thread-summary__details {
    display: grid;
    gap: .7rem;
    margin-top: .75rem;
    padding-top: .75rem;
    border-top: 1px solid var(--line);
  }

  .chat-message {
    max-width: 94%;
    padding: .78rem .9rem;
    border-radius: 18px;
  }

  .chat-log {
    min-height: calc(100dvh - 250px);
    padding: .85rem;
    border-radius: 20px;
  }

  .content-canvas:has([data-chat-composer]:not(.d-none)) {
    padding-bottom: calc(9.5rem + env(safe-area-inset-bottom));
  }

  .chat-composer-surface {
    position: fixed;
    z-index: 1015;
    right: max(.75rem, env(safe-area-inset-right));
    bottom: max(.65rem, env(safe-area-inset-bottom));
    left: max(.75rem, env(safe-area-inset-left));
    margin: 0 !important;
    padding: .65rem;
    border: 1px solid rgba(16, 40, 84, .14);
    border-radius: 18px;
    background: rgba(255, 255, 255, .96);
    box-shadow: 0 14px 34px rgba(16, 40, 84, .2);
    backdrop-filter: blur(16px);
    max-height: min(55dvh, 420px);
    overflow-y: auto;
  }

  .chat-composer-form {
    gap: .5rem;
  }

  .chat-composer-surface textarea.form-control {
    min-height: 48px;
    max-height: 120px;
    resize: none;
  }

  .chat-composer-surface .chat-spreadsheet-preview {
    max-height: 32dvh;
    overflow: auto;
  }

  .chat-composer-send {
    min-width: 78px;
    min-height: 48px;
  }

  .chat-start-new {
    max-width: calc(100vw - 1.7rem);
  }

  .chat-start-new .btn {
    min-height: 48px;
  }

  .chat-message.customer {
    border-bottom-right-radius: 8px;
  }

  .chat-message.bot,
  .chat-message.systemaction {
    border-bottom-left-radius: 8px;
  }

  .chat-meta {
    font-size: .76rem;
  }

  .chat-message-text {
    font-size: .98rem;
    line-height: 1.48;
  }

  .chat-md-table-wrap,
  .chat-spreadsheet-preview__table-wrap {
    max-width: calc(100vw - 3.4rem);
    overscroll-behavior-inline: contain;
    box-shadow: inset -14px 0 18px -18px rgba(16, 40, 84, .55);
  }

  .chat-multi-choice-options {
    gap: .65rem;
  }

  .chat-multi-choice-options .btn,
  .chat-actions .btn {
    white-space: normal;
    text-align: left;
  }

  .chat-choice-btn {
    min-width: min(100%, 180px);
    min-height: 48px;
    padding: .7rem 1rem;
    font-size: .96rem;
  }
}

@media (max-width: 575.98px) {
  .content-canvas {
    padding-inline: .75rem;
  }

  .mobile-brand img {
    width: 132px;
  }

  .page-heading {
    border-bottom-color: rgba(16, 40, 84, .08);
  }

  .surface {
    padding: .85rem;
  }

  .chat-log {
    min-height: calc(100dvh - 230px);
    padding: .7rem;
  }

  .chat-message {
    max-width: 98%;
    padding: .72rem .82rem;
  }

  .chat-message.bot,
  .chat-message.systemaction {
    margin-right: .5rem;
  }

  .chat-message.customer {
    margin-left: .5rem;
  }

  .chat-composer-form {
    grid-template-columns: minmax(0, 1fr) 72px;
  }

  .catalog-mobile-toolbar {
    grid-template-columns: 1fr;
  }

  .catalog-search-form .input-group {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .catalog-search-form .input-group .btn-outline-secondary {
    grid-column: 1 / -1;
    width: 100%;
    margin: .35rem 0 0;
  }

  .catalog-page-heading {
    grid-template-columns: 1fr;
  }

  .chat-page-heading {
    grid-template-columns: 1fr;
  }

  .chat-page-heading > .d-inline-flex {
    width: 100%;
    justify-content: flex-end;
  }

  .catalog-category-toggle {
    width: 100%;
    max-width: none;
  }

  .catalog-image-strip,
  .catalog-image-picker-grid {
    grid-template-columns: 1fr;
  }

  .chat-multi-choice-options {
    display: grid;
    grid-template-columns: 1fr;
    gap: .45rem;
  }

  .chat-multi-choice-options form,
  .chat-multi-choice-options .btn {
    width: 100%;
  }

  .chat-choice-form,
  .chat-choice-btn,
  .chat-open-btn {
    width: 100%;
  }

  .chat-open-btn {
    min-width: 112px;
  }

  .chat-actions > form {
    width: 100%;
  }

  .chat-actions > form .btn {
    width: 100%;
  }
}