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426 lines
12 KiB
426 lines
12 KiB
/**
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* Note that it assumes the presence of cssVars.cssRootVars on <body>.
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*/
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import * as commands from 'app/client/components/commands';
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import {urlState} from "app/client/models/gristUrlState";
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import {resizeFlexVHandle} from 'app/client/ui/resizeHandle';
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import {transition, TransitionWatcher} from 'app/client/ui/transitions';
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import {colors, cssHideForNarrowScreen, mediaNotSmall, mediaSmall} from 'app/client/ui2018/cssVars';
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import {isNarrowScreenObs} from 'app/client/ui2018/cssVars';
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import {icon} from 'app/client/ui2018/icons';
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import {dom, DomArg, noTestId, Observable, styled, subscribe, TestId} from "grainjs";
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export interface PageSidePanel {
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// Note that widths need to start out with a correct default in JS (having them in CSS is not
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// enough), needed for open/close transitions.
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panelWidth: Observable<number>;
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panelOpen: Observable<boolean>;
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hideOpener?: boolean; // If true, don't show the opener handle.
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header: DomArg;
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content: DomArg;
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}
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export interface PageContents {
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leftPanel: PageSidePanel;
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rightPanel?: PageSidePanel; // If omitted, the right panel isn't shown at all.
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headerMain: DomArg;
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contentMain: DomArg;
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onResize?: () => void; // Callback for when either pane is opened, closed, or resized.
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testId?: TestId;
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contentTop?: DomArg;
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contentBottom?: DomArg;
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}
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export function pagePanels(page: PageContents) {
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const testId = page.testId || noTestId;
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const left = page.leftPanel;
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const right = page.rightPanel;
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const onResize = page.onResize || (() => null);
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let lastLeftOpen = left.panelOpen.get();
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let lastRightOpen = right?.panelOpen.get() || false;
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let leftPaneDom: HTMLElement;
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// When switching to mobile mode, close panels; when switching to desktop, restore the
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// last desktop state.
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const sub1 = subscribe(isNarrowScreenObs(), (use, narrow) => {
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if (narrow) {
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lastLeftOpen = left.panelOpen.get();
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lastRightOpen = right?.panelOpen.get() || false;
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}
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left.panelOpen.set(narrow ? false : lastLeftOpen);
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right?.panelOpen.set(narrow ? false : lastRightOpen);
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});
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// When url changes, we must have navigated; close the left panel since if it were open, it was
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// the likely cause of the navigation (e.g. switch to another page or workspace).
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const sub2 = subscribe(isNarrowScreenObs(), urlState().state, (use, narrow, state) => {
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if (narrow) {
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left.panelOpen.set(false);
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}
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});
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const commandsGroup = commands.createGroup({
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leftPanelOpen: () => new Promise((resolve) => {
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const watcher = new TransitionWatcher(leftPaneDom);
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watcher.onDispose(() => resolve(undefined));
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left.panelOpen.set(true);
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}),
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}, null, true);
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return cssPageContainer(
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dom.autoDispose(sub1),
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dom.autoDispose(sub2),
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dom.autoDispose(commandsGroup),
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page.contentTop,
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cssContentMain(
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leftPaneDom = cssLeftPane(
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testId('left-panel'),
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cssTopHeader(left.header),
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left.content,
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dom.style('width', (use) => use(left.panelOpen) ? use(left.panelWidth) + 'px' : ''),
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// Opening/closing the left pane, with transitions.
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cssLeftPane.cls('-open', left.panelOpen),
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transition(use => (use(isNarrowScreenObs()) ? false : use(left.panelOpen)), {
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prepare(elem, open) { elem.style.marginRight = (open ? -1 : 1) * (left.panelWidth.get() - 48) + 'px'; },
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run(elem, open) { elem.style.marginRight = ''; },
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finish: onResize,
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}),
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),
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// Resizer for the left pane.
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// TODO: resizing to small size should collapse. possibly should allow expanding too
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cssResizeFlexVHandle(
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{target: 'left', onSave: (val) => { left.panelWidth.set(val); onResize(); }},
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testId('left-resizer'),
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dom.show(left.panelOpen),
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cssHideForNarrowScreen.cls('')),
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// Show plain border when the resize handle is hidden.
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cssResizeDisabledBorder(
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dom.hide(left.panelOpen),
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cssHideForNarrowScreen.cls('')),
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cssMainPane(
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cssTopHeader(
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testId('top-header'),
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(left.hideOpener ? null :
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cssPanelOpener('PanelRight', cssPanelOpener.cls('-open', left.panelOpen),
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testId('left-opener'),
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dom.on('click', () => toggleObs(left.panelOpen)),
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cssHideForNarrowScreen.cls(''))
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),
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page.headerMain,
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(!right || right.hideOpener ? null :
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cssPanelOpener('PanelLeft', cssPanelOpener.cls('-open', right.panelOpen),
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testId('right-opener'),
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dom.cls('tour-creator-panel'),
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dom.on('click', () => toggleObs(right.panelOpen)),
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cssHideForNarrowScreen.cls(''))
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),
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),
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page.contentMain,
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testId('main-pane'),
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),
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(right ? [
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// Resizer for the right pane.
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cssResizeFlexVHandle(
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{target: 'right', onSave: (val) => { right.panelWidth.set(val); onResize(); }},
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testId('right-resizer'),
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dom.show(right.panelOpen),
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cssHideForNarrowScreen.cls('')),
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cssRightPane(
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testId('right-panel'),
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cssTopHeader(right.header),
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right.content,
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dom.style('width', (use) => use(right.panelOpen) ? use(right.panelWidth) + 'px' : ''),
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// Opening/closing the right pane, with transitions.
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cssRightPane.cls('-open', right.panelOpen),
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transition(use => (use(isNarrowScreenObs()) ? false : use(right.panelOpen)), {
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prepare(elem, open) { elem.style.marginLeft = (open ? -1 : 1) * right.panelWidth.get() + 'px'; },
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run(elem, open) { elem.style.marginLeft = ''; },
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finish: onResize,
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}),
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)] : null
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),
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cssContentOverlay(
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dom.show((use) => use(left.panelOpen) || Boolean(right && use(right.panelOpen))),
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dom.on('click', () => {
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left.panelOpen.set(false);
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if (right) { right.panelOpen.set(false); }
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}),
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testId('overlay')
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),
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dom.maybe(isNarrowScreenObs(), () =>
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cssBottomFooter(
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testId('bottom-footer'),
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cssPanelOpenerNarrowScreenBtn(
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cssPanelOpenerNarrowScreen(
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'FieldTextbox',
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dom.on('click', () => {
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right?.panelOpen.set(false);
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toggleObs(left.panelOpen);
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}),
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testId('left-opener-ns')
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),
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cssPanelOpenerNarrowScreenBtn.cls('-open', left.panelOpen)
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),
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page.contentBottom,
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(!right ? null :
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cssPanelOpenerNarrowScreenBtn(
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cssPanelOpenerNarrowScreen(
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'Settings',
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dom.on('click', () => {
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left.panelOpen.set(false);
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toggleObs(right.panelOpen);
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}),
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testId('right-opener-ns')
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),
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cssPanelOpenerNarrowScreenBtn.cls('-open', right.panelOpen),
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)
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),
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)
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),
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),
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);
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}
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function toggleObs(boolObs: Observable<boolean>) {
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boolObs.set(!boolObs.get());
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}
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const bottomFooterHeightPx = 48;
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const cssVBox = styled('div', `
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display: flex;
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flex-direction: column;
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`);
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const cssHBox = styled('div', `
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display: flex;
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`);
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const cssPageContainer = styled(cssVBox, `
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position: absolute;
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isolation: isolate; /* Create a new stacking context */
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z-index: 0; /* As of March 2019, isolation does not have Edge support, so force one with z-index */
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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min-width: 600px;
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background-color: ${colors.lightGrey};
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@media ${mediaSmall} {
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& {
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padding-bottom: ${bottomFooterHeightPx}px;
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min-width: 240px;
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}
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.interface-light & {
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padding-bottom: 0;
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}
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}
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`);
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const cssContentMain = styled(cssHBox, `
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flex: 1 1 0px;
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overflow: hidden;
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`);
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export const cssLeftPane = styled(cssVBox, `
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position: relative;
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background-color: ${colors.lightGrey};
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width: 48px;
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margin-right: 0px;
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overflow: hidden;
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transition: margin-right 0.4s;
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@media ${mediaSmall} {
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& {
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width: 240px;
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position: fixed;
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z-index: 10;
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top: 0;
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bottom: ${bottomFooterHeightPx}px;
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left: -${240 + 15}px; /* adds an extra 15 pixels to also hide the box shadow */
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visibility: hidden;
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box-shadow: 10px 0 5px rgba(0, 0, 0, 0.2);
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transition: left 0.4s, visibility 0.4s;
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will-change: left;
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}
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&-open {
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left: 0;
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visibility: visible;
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}
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}
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&-open {
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width: 240px;
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min-width: 160px;
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max-width: 320px;
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}
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@media print {
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& {
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display: none;
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}
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}
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.interface-light & {
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display: none;
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}
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`);
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const cssMainPane = styled(cssVBox, `
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position: relative;
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flex: 1 1 0px;
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min-width: 0px;
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background-color: white;
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z-index: 1;
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`);
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const cssRightPane = styled(cssVBox, `
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position: relative;
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background-color: ${colors.lightGrey};
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width: 0px;
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margin-left: 0px;
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overflow: hidden;
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transition: margin-left 0.4s;
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z-index: 0;
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@media ${mediaSmall} {
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& {
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width: 240px;
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position: fixed;
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z-index: 10;
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top: 0;
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bottom: ${bottomFooterHeightPx}px;
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right: -${240 + 15}px; /* adds an extra 15 pixels to also hide the box shadow */
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box-shadow: -10px 0 5px rgba(0, 0, 0, 0.2);
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visibility: hidden;
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transition: right 0.4s, visibility 0.4s;
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will-change: right;
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}
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&-open {
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right: 0;
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visibility: visible;
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}
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}
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&-open {
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width: 240px;
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min-width: 240px;
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max-width: 320px;
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}
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@media print {
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& {
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display: none;
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}
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}
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.interface-light & {
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display: none;
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}
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`);
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const cssTopHeader = styled('div', `
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height: 48px;
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flex: none;
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display: flex;
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align-items: center;
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justify-content: space-between;
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border-bottom: 1px solid ${colors.mediumGrey};
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@media print {
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& {
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display: none;
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}
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}
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.interface-light & {
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display: none;
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}
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`);
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const cssBottomFooter = styled ('div', `
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height: ${bottomFooterHeightPx}px;
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background-color: white;
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z-index: 20;
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display: flex;
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flex-direction: row;
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align-items: center;
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justify-content: space-between;
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padding: 8px 16px;
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position: absolute;
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bottom: 0;
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left: 0;
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right: 0;
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border-top: 1px solid ${colors.mediumGrey};
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@media ${mediaNotSmall} {
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& {
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display: none;
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}
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}
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@media print {
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& {
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display: none;
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}
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}
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.interface-light & {
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display: none;
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}
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`);
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const cssResizeFlexVHandle = styled(resizeFlexVHandle, `
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--resize-handle-color: ${colors.mediumGrey};
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--resize-handle-highlight: ${colors.lightGreen};
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@media print {
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& {
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display: none;
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}
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}
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`);
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const cssResizeDisabledBorder = styled('div', `
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flex: none;
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width: 1px;
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height: 100%;
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background-color: ${colors.mediumGrey};
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`);
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const cssPanelOpener = styled(icon, `
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flex: none;
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width: 32px;
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height: 32px;
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padding: 8px 8px;
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cursor: pointer;
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-webkit-mask-size: 16px 16px;
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background-color: ${colors.lightGreen};
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transition: transform 0.4s;
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&:hover { background-color: ${colors.darkGreen}; }
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&-open { transform: rotateY(180deg); }
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`);
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const cssPanelOpenerNarrowScreenBtn = styled('div', `
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width: 32px;
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height: 32px;
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--icon-color: ${colors.slate};
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cursor: pointer;
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border-radius: 4px;
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&-open {
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background-color: ${colors.lightGreen};
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--icon-color: white;
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}
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`);
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const cssPanelOpenerNarrowScreen = styled(icon, `
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width: 24px;
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height: 24px;
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margin: 4px;
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`);
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const cssContentOverlay = styled('div', `
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position: absolute;
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top: 0;
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left: 0;
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bottom: 0;
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right: 0;
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background-color: grey;
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opacity: 0.5;
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display: none;
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z-index: 9;
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@media ${mediaSmall} {
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& {
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display: unset;
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}
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}
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`);
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