/* Integrate last. Pane rules activate only after all public hosts have docked. */
@media (pointer: coarse) and (min-width: 600px) and (max-height: 600px) {
  html[data-mobile-landscape-panels] .app-header,
  html[data-mobile-landscape-panels] #documents-panel > .panel-heading:not(.mobile-landscape-context) {
    display: none;
  }

  html[data-mobile-landscape-panels] .mobile-landscape-context {
    position: sticky;
    top: 0;
    z-index: 40;
    box-sizing: border-box;
    display: flex;
    flex: none;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: flex-start;
    gap: 4px;
    height: 48px;
    min-height: 48px;
    padding: 0 8px;
    overflow: visible;
    border-bottom: 1px solid var(--ui-border);
    background: var(--ui-surface);
  }

  html[data-mobile-landscape-panels] .mobile-landscape-context > :is(strong, h2) {
    flex: none;
    margin: 0;
    font-size: var(--ui-font-body, 14px);
    line-height: 20px;
  }

  html[data-mobile-landscape-panels] .mobile-landscape-context > .mobile-pane-back {
    order: -1;
    flex: 0 0 44px;
    height: 44px;
    min-height: 44px;
  }

  html[data-mobile-landscape-panels] :is(#documents-panel, #notes-panel) .mobile-landscape-context > .research-shell-host:not([hidden]) {
    position: static;
    display: block;
    flex: 0 1 200px;
    width: auto;
    min-width: 100px;
    max-height: none;
    margin-left: auto;
    overflow: visible;
    border: 0;
  }

  html[data-mobile-landscape-panels] .mobile-landscape-context .research-shell-picker {
    display: flex;
    gap: 4px;
    padding: 0;
  }

  html[data-mobile-landscape-panels] .mobile-landscape-context .research-shell-picker > :is(svg, .research-shell-picker-caption) {
    display: none;
  }

  html[data-mobile-landscape-panels] .mobile-landscape-context .research-shell-select {
    height: 44px;
    min-height: 44px;
    padding: 4px 8px;
  }

  html[data-mobile-landscape-panels] .mobile-landscape-context :is(.research-shell-areas, .research-shell-panels) {
    display: none;
  }

  html[data-mobile-landscape-panels] .mobile-landscape-context > :is(#device-storage-ui, #header-settings) {
    flex: none;
    min-width: 44px;
  }

  html[data-mobile-landscape-panels] .mobile-landscape-context .device-storage-summary {
    gap: 4px;
    max-width: 180px;
    height: 44px;
  }

  html[data-mobile-landscape-panels] .mobile-landscape-context :is(.device-storage-panel, .header-settings-panel) {
    position: absolute;
    right: 0;
    left: auto;
    width: min(340px, calc(var(--mobile-viewport-width, 100vw) - 24px));
    top: calc(100% + 4px);
    max-height: calc(var(--mobile-viewport-height, 100dvh) - 112px);
  }

  html[data-mobile-landscape-panels] #documents-panel .library-search {
    padding: 4px 12px;
  }

  html[data-mobile-landscape-panels] #documents-panel .library-search-label {
    margin-bottom: 4px;
    font-size: var(--ui-font-metadata, 12px);
  }

  html[data-mobile-landscape-panels] #documents-panel :is(.library-search-row input, .library-search-row .button, .paper-library-actions .button) {
    min-height: 44px;
    padding-block: 4px;
  }

  html[data-mobile-landscape-panels] #documents-panel .paper-library-actions {
    gap: 4px;
    padding: 0 12px 4px;
  }

  html[data-mobile-landscape-panels] #documents-panel :is(.paper-library-summary, .study-library-summary, #library-trash > summary) {
    min-height: 44px;
    padding-block: 4px;
  }

  html[data-mobile-landscape-panels] #notes-panel .notes-workspace-toolbar {
    gap: 4px;
    padding: 0 12px;
  }

  html[data-mobile-landscape-panels] #notes-panel .notes-workspace-tabs {
    flex: 1 1 auto;
  }

  html[data-mobile-landscape-panels] #notes-panel :is(.notes-workspace-tab, .notes-workspace-open:not([hidden])) {
    min-height: 44px;
    padding-block: 4px;
  }

  html[data-mobile-landscape-panels] #notes-panel #notes-filter-panel {
    margin: 4px 12px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  html[data-mobile-landscape-panels] #notes-panel .note-filter-search-row {
    flex-wrap: nowrap;
    align-items: center;
    gap: 4px;
  }

  html[data-mobile-landscape-panels] #notes-panel .note-filter-query > span,
  html[data-mobile-landscape-panels] #notes-panel .notes-filter-grid label > span {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }

  html[data-mobile-landscape-panels] #notes-panel .notes-filter-grid {
    grid-template-columns: minmax(0, 1fr) minmax(100px, 160px) minmax(100px, 160px);
    gap: 4px;
  }

  html[data-mobile-landscape-panels] #notes-panel .notes-filter-grid label:first-child {
    grid-column: auto;
  }

  html[data-mobile-landscape-panels] #notes-panel :is(.note-filter-query input, .note-filter-disclosure, .notes-filter-grid input, .notes-filter-grid select) {
    box-sizing: border-box;
    height: 44px;
    min-height: 44px;
  }

  html[data-mobile-landscape-panels] #notes-panel .notes-filter-actions {
    gap: 4px;
    margin-top: 4px;
  }

  html[data-mobile-landscape-panels] #notes-panel :is(.notes-count, .notes-workspace-count, .notes-filter-status) {
    margin-block: 4px;
    font-size: var(--ui-font-metadata, 12px);
    line-height: 16px;
  }

  html[data-mobile-landscape-panels] :is(#documents-panel, #notes-panel) :is(.empty-state, .notes-empty, .mobile-notes-empty) {
    min-height: 0;
    margin: 4px 12px;
    padding: 8px 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    color: var(--ui-text-soft);
    font-size: var(--ui-font-body, 14px);
    line-height: 20px;
  }

  html[data-mobile-landscape-panels] :is(#documents-panel, #notes-panel) .empty-state p {
    margin: 0;
  }

  html[data-mobile-landscape-panels] #notes-filter-panel:not([hidden]) {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 4px 8px;
  }

  html[data-mobile-landscape-panels] #notes-filter-panel > :is(#notes-filter-react-host, #notes-filter-native) {
    grid-column: 1 / -1;
  }

  html[data-mobile-landscape-panels] #notes-filter-panel > .notes-filter-actions {
    grid-column: 1;
  }

  html[data-mobile-landscape-panels] #notes-filter-status {
    grid-column: 2;
    align-self: center;
    margin: 0;
    text-align: end;
    overflow-wrap: anywhere;
  }

  /* Independent of pane docking, including the existing reader overlay. */
  :root #assistant-panel[data-floating="true"][data-compact="true"] {
    padding-bottom: 0;
    overflow: hidden;
  }

  :root #assistant-panel[data-compact="true"][data-floating] .assistant-header {
    box-sizing: border-box;
    display: flex;
    flex: 0 0 48px;
    flex-wrap: nowrap;
    gap: 0;
    height: 48px;
    min-height: 48px;
    padding: 0 4px;
  }

  :root #assistant-panel[data-compact="true"][data-floating] .assistant-header h2 {
    position: static;
    flex: 0 1 48px;
    width: auto;
    height: auto;
    margin: 0 4px 0 0;
    overflow: hidden;
    clip-path: none;
    font-size: 12px;
    line-height: 16px;
  }

  :root #assistant-panel[data-compact="true"][data-floating] .assistant-header-actions {
    display: flex;
    flex: 1 1 auto;
    flex-wrap: nowrap;
    gap: 0;
    width: 0;
    min-width: 0;
  }

  :root #assistant-panel[data-compact="true"][data-floating] #assistant-history {
    flex: 1 1 auto;
    width: 0;
    min-width: 44px;
    max-width: none;
    height: 44px;
    min-height: 44px;
    padding: 4px;
  }

  :root #assistant-panel[data-compact="true"][data-floating] .assistant-header-actions > button:not([hidden]) {
    flex: 0 0 44px;
    width: 44px;
    min-width: 44px;
    min-height: 44px;
    padding: 0;
  }

  :root #assistant-panel .assistant-source-bar {
    flex: 0 0 44px;
    height: 44px;
    box-sizing: border-box;
    padding: 0 8px;
  }

  :root #assistant-panel .assistant-source-chip {
    width: 100%;
    height: 44px;
    min-height: 44px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    line-height: 44px;
    white-space: nowrap;
    text-overflow: ellipsis;
  }

  :root #assistant-panel .assistant-scroll {
    flex: 1 1 0;
    min-height: 0;
    overflow: auto;
  }

  :root #assistant-panel .mobile-assistant-reply-row:not([hidden]) {
    box-sizing: border-box;
    flex: 0 0 48px;
    align-items: center;
    height: 48px;
    min-height: 48px;
    padding: 0 52px 0 8px;
  }

  :root #assistant-panel .mobile-assistant-reply {
    height: 44px;
    min-height: 44px;
    margin: 0;
    padding-block: 0;
  }

  :root #assistant-panel[data-floating="true"][data-compact="true"] #assistant-resize-bottom:not([hidden]) {
    right: 4px;
    bottom: 0;
    left: auto;
    width: 44px;
    height: 44px;
    min-height: 44px;
    transform: none;
  }

  :root #assistant-panel[data-floating="true"][data-compact="true"] .assistant-form {
    max-height: 50%;
    padding: 4px 52px 4px 8px;
  }
}