import * as i0 from '@angular/core';
import { DOCUMENT, NgZone, inject, Injector, Service, RendererFactory2, ViewEncapsulation, Component, afterNextRender, ElementRef, InjectionToken, ApplicationRef, Renderer2, ANIMATION_MODULE_TYPE, EnvironmentInjector, EventEmitter, TemplateRef, ViewContainerRef, booleanAttribute, Directive, Output, Input, NgModule } from '@angular/core';
import { Location } from '@angular/common';
import { Platform } from './_platform-chunk.mjs';
import { _getEventTarget } from './_shadow-dom-chunk.mjs';
import { _isTestEnvironment } from './_test-environment-chunk.mjs';
import { _CdkPrivateStyleLoader } from './_style-loader-chunk.mjs';
import { Subject, Subscription } from 'rxjs';
import { coerceCssPixelValue } from './_css-pixel-value-chunk.mjs';
import { coerceArray } from './_array-chunk.mjs';
import { ViewportRuler, ScrollDispatcher, ScrollingModule } from './scrolling.mjs';
import { supportsScrollBehavior } from './_scrolling-chunk.mjs';
import { filter, takeWhile } from 'rxjs/operators';
import { _IdGenerator } from './_id-generator-chunk.mjs';
import { Directionality } from './_directionality-chunk.mjs';
import { DomPortalOutlet, TemplatePortal, PortalModule } from './portal.mjs';
import { ESCAPE } from './_keycodes-chunk.mjs';
import { hasModifierKey } from './keycodes.mjs';
import { BidiModule } from './bidi.mjs';

const scrollBehaviorSupported = supportsScrollBehavior();
function createBlockScrollStrategy(injector) {
  return new BlockScrollStrategy(injector.get(ViewportRuler), injector.get(DOCUMENT));
}
class BlockScrollStrategy {
  _viewportRuler;
  _previousHTMLStyles = {
    top: '',
    left: ''
  };
  _previousScrollPosition;
  _isEnabled = false;
  _document;
  constructor(_viewportRuler, document) {
    this._viewportRuler = _viewportRuler;
    this._document = document;
  }
  attach() {}
  enable() {
    if (this._canBeEnabled()) {
      const root = this._document.documentElement;
      this._previousScrollPosition = this._viewportRuler.getViewportScrollPosition();
      this._previousHTMLStyles.left = root.style.left || '';
      this._previousHTMLStyles.top = root.style.top || '';
      root.style.left = coerceCssPixelValue(-this._previousScrollPosition.left);
      root.style.top = coerceCssPixelValue(-this._previousScrollPosition.top);
      root.classList.add('cdk-global-scrollblock');
      this._isEnabled = true;
    }
  }
  disable() {
    if (this._isEnabled) {
      const html = this._document.documentElement;
      const body = this._document.body;
      const htmlStyle = html.style;
      const bodyStyle = body.style;
      const previousHtmlScrollBehavior = htmlStyle.scrollBehavior || '';
      const previousBodyScrollBehavior = bodyStyle.scrollBehavior || '';
      this._isEnabled = false;
      htmlStyle.left = this._previousHTMLStyles.left;
      htmlStyle.top = this._previousHTMLStyles.top;
      html.classList.remove('cdk-global-scrollblock');
      if (scrollBehaviorSupported) {
        htmlStyle.scrollBehavior = bodyStyle.scrollBehavior = 'auto';
      }
      window.scroll(this._previousScrollPosition.left, this._previousScrollPosition.top);
      if (scrollBehaviorSupported) {
        htmlStyle.scrollBehavior = previousHtmlScrollBehavior;
        bodyStyle.scrollBehavior = previousBodyScrollBehavior;
      }
    }
  }
  _canBeEnabled() {
    const html = this._document.documentElement;
    if (html.classList.contains('cdk-global-scrollblock') || this._isEnabled) {
      return false;
    }
    const rootElement = this._document.documentElement;
    const viewport = this._viewportRuler.getViewportSize();
    return rootElement.scrollHeight > viewport.height || rootElement.scrollWidth > viewport.width;
  }
}

function getMatScrollStrategyAlreadyAttachedError() {
  return Error(`Scroll strategy has already been attached.`);
}

function createCloseScrollStrategy(injector, config) {
  return new CloseScrollStrategy(injector.get(ScrollDispatcher), injector.get(NgZone), injector.get(ViewportRuler), config);
}
class CloseScrollStrategy {
  _scrollDispatcher;
  _ngZone;
  _viewportRuler;
  _config;
  _scrollSubscription = null;
  _overlayRef;
  _initialScrollPosition;
  constructor(_scrollDispatcher, _ngZone, _viewportRuler, _config) {
    this._scrollDispatcher = _scrollDispatcher;
    this._ngZone = _ngZone;
    this._viewportRuler = _viewportRuler;
    this._config = _config;
  }
  attach(overlayRef) {
    if (this._overlayRef && (typeof ngDevMode === 'undefined' || ngDevMode)) {
      throw getMatScrollStrategyAlreadyAttachedError();
    }
    this._overlayRef = overlayRef;
  }
  enable() {
    if (this._scrollSubscription) {
      return;
    }
    const stream = this._scrollDispatcher.scrolled(0).pipe(filter(scrollable => {
      return !scrollable || !this._overlayRef.overlayElement.contains(scrollable.getElementRef().nativeElement);
    }));
    if (this._config && this._config.threshold && this._config.threshold > 1) {
      this._initialScrollPosition = this._viewportRuler.getViewportScrollPosition().top;
      this._scrollSubscription = stream.subscribe(() => {
        const scrollPosition = this._viewportRuler.getViewportScrollPosition().top;
        if (Math.abs(scrollPosition - this._initialScrollPosition) > this._config.threshold) {
          this._detach();
        } else {
          this._overlayRef.updatePosition();
        }
      });
    } else {
      this._scrollSubscription = stream.subscribe(this._detach);
    }
  }
  disable() {
    if (this._scrollSubscription) {
      this._scrollSubscription.unsubscribe();
      this._scrollSubscription = null;
    }
  }
  detach() {
    this.disable();
    this._overlayRef = null;
  }
  _detach = () => {
    this.disable();
    if (this._overlayRef.hasAttached()) {
      this._ngZone.run(() => this._overlayRef.detach());
    }
  };
}

function createNoopScrollStrategy() {
  return new NoopScrollStrategy();
}
class NoopScrollStrategy {
  enable() {}
  disable() {}
  attach() {}
}

function isElementScrolledOutsideView(element, scrollContainers) {
  return scrollContainers.some(containerBounds => {
    const outsideAbove = element.bottom < containerBounds.top;
    const outsideBelow = element.top > containerBounds.bottom;
    const outsideLeft = element.right < containerBounds.left;
    const outsideRight = element.left > containerBounds.right;
    return outsideAbove || outsideBelow || outsideLeft || outsideRight;
  });
}
function isElementClippedByScrolling(element, scrollContainers) {
  return scrollContainers.some(scrollContainerRect => {
    const clippedAbove = element.top < scrollContainerRect.top;
    const clippedBelow = element.bottom > scrollContainerRect.bottom;
    const clippedLeft = element.left < scrollContainerRect.left;
    const clippedRight = element.right > scrollContainerRect.right;
    return clippedAbove || clippedBelow || clippedLeft || clippedRight;
  });
}

function createRepositionScrollStrategy(injector, config) {
  return new RepositionScrollStrategy(injector.get(ScrollDispatcher), injector.get(ViewportRuler), injector.get(NgZone), config);
}
class RepositionScrollStrategy {
  _scrollDispatcher;
  _viewportRuler;
  _ngZone;
  _config;
  _scrollSubscription = null;
  _overlayRef;
  constructor(_scrollDispatcher, _viewportRuler, _ngZone, _config) {
    this._scrollDispatcher = _scrollDispatcher;
    this._viewportRuler = _viewportRuler;
    this._ngZone = _ngZone;
    this._config = _config;
  }
  attach(overlayRef) {
    if (this._overlayRef && (typeof ngDevMode === 'undefined' || ngDevMode)) {
      throw getMatScrollStrategyAlreadyAttachedError();
    }
    this._overlayRef = overlayRef;
  }
  enable() {
    if (!this._scrollSubscription) {
      const throttle = this._config ? this._config.scrollThrottle : 0;
      this._scrollSubscription = this._scrollDispatcher.scrolled(throttle).subscribe(() => {
        this._overlayRef.updatePosition();
        if (this._config && this._config.autoClose) {
          const overlayRect = this._overlayRef.overlayElement.getBoundingClientRect();
          const {
            width,
            height
          } = this._viewportRuler.getViewportSize();
          const parentRects = [{
            width,
            height,
            bottom: height,
            right: width,
            top: 0,
            left: 0
          }];
          if (isElementScrolledOutsideView(overlayRect, parentRects)) {
            this.disable();
            this._ngZone.run(() => this._overlayRef.detach());
          }
        }
      });
    }
  }
  disable() {
    if (this._scrollSubscription) {
      this._scrollSubscription.unsubscribe();
      this._scrollSubscription = null;
    }
  }
  detach() {
    this.disable();
    this._overlayRef = null;
  }
}

class ScrollStrategyOptions {
  _injector = inject(Injector);
  noop = () => new NoopScrollStrategy();
  close = config => createCloseScrollStrategy(this._injector, config);
  block = () => createBlockScrollStrategy(this._injector);
  reposition = config => createRepositionScrollStrategy(this._injector, config);
  static ɵfac = i0.ɵɵngDeclareFactory({
    minVersion: "12.0.0",
    version: "22.1.3",
    ngImport: i0,
    type: ScrollStrategyOptions,
    deps: [],
    target: i0.ɵɵFactoryTarget.Service
  });
  static ɵprov = i0.ɵɵngDeclareService({
    minVersion: "22.0.0",
    version: "22.1.3",
    ngImport: i0,
    type: ScrollStrategyOptions
  });
}
i0.ɵɵngDeclareClassMetadata({
  minVersion: "12.0.0",
  version: "22.1.3",
  ngImport: i0,
  type: ScrollStrategyOptions,
  decorators: [{
    type: Service
  }]
});

class OverlayConfig {
  positionStrategy;
  scrollStrategy = new NoopScrollStrategy();
  panelClass = '';
  hasBackdrop = false;
  backdropClass = 'cdk-overlay-dark-backdrop';
  disableAnimations;
  width;
  height;
  minWidth;
  minHeight;
  maxWidth;
  maxHeight;
  direction;
  disposeOnNavigation = false;
  usePopover;
  eventPredicate;
  constructor(config) {
    if (config) {
      const configKeys = Object.keys(config);
      for (const key of configKeys) {
        if (config[key] !== undefined) {
          this[key] = config[key];
        }
      }
    }
  }
}

class ConnectionPositionPair {
  offsetX;
  offsetY;
  panelClass;
  originX;
  originY;
  overlayX;
  overlayY;
  constructor(origin, overlay, offsetX, offsetY, panelClass) {
    this.offsetX = offsetX;
    this.offsetY = offsetY;
    this.panelClass = panelClass;
    this.originX = origin.originX;
    this.originY = origin.originY;
    this.overlayX = overlay.overlayX;
    this.overlayY = overlay.overlayY;
  }
}
class ScrollingVisibility {
  isOriginClipped = false;
  isOriginOutsideView = false;
  isOverlayClipped = false;
  isOverlayOutsideView = false;
}
class ConnectedOverlayPositionChange {
  connectionPair;
  scrollableViewProperties;
  constructor(connectionPair, scrollableViewProperties) {
    this.connectionPair = connectionPair;
    this.scrollableViewProperties = scrollableViewProperties;
  }
}
function validateVerticalPosition(property, value) {
  if (value !== 'top' && value !== 'bottom' && value !== 'center') {
    throw Error(`ConnectedPosition: Invalid ${property} "${value}". ` + `Expected "top", "bottom" or "center".`);
  }
}
function validateHorizontalPosition(property, value) {
  if (value !== 'start' && value !== 'end' && value !== 'center') {
    throw Error(`ConnectedPosition: Invalid ${property} "${value}". ` + `Expected "start", "end" or "center".`);
  }
}

class BaseOverlayDispatcher {
  _attachedOverlays = [];
  _document = inject(DOCUMENT);
  _isAttached = false;
  ngOnDestroy() {
    this.detach();
  }
  add(overlayRef) {
    this.remove(overlayRef);
    this._attachedOverlays.push(overlayRef);
  }
  remove(overlayRef) {
    const index = this._attachedOverlays.indexOf(overlayRef);
    if (index > -1) {
      this._attachedOverlays.splice(index, 1);
    }
    if (this._attachedOverlays.length === 0) {
      this.detach();
    }
  }
  canReceiveEvent(overlayRef, event, stream) {
    if (stream.observers.length < 1) {
      return false;
    }
    if (overlayRef.eventPredicate) {
      return overlayRef.eventPredicate(event);
    }
    return true;
  }
  static ɵfac = i0.ɵɵngDeclareFactory({
    minVersion: "12.0.0",
    version: "22.1.3",
    ngImport: i0,
    type: BaseOverlayDispatcher,
    deps: [],
    target: i0.ɵɵFactoryTarget.Service
  });
  static ɵprov = i0.ɵɵngDeclareService({
    minVersion: "22.0.0",
    version: "22.1.3",
    ngImport: i0,
    type: BaseOverlayDispatcher
  });
}
i0.ɵɵngDeclareClassMetadata({
  minVersion: "12.0.0",
  version: "22.1.3",
  ngImport: i0,
  type: BaseOverlayDispatcher,
  decorators: [{
    type: Service
  }]
});

class OverlayKeyboardDispatcher extends BaseOverlayDispatcher {
  _ngZone = inject(NgZone);
  _renderer = inject(RendererFactory2).createRenderer(null, null);
  _cleanupKeydown;
  add(overlayRef) {
    super.add(overlayRef);
    if (!this._isAttached) {
      this._ngZone.runOutsideAngular(() => {
        this._cleanupKeydown = this._renderer.listen('body', 'keydown', this._keydownListener);
      });
      this._isAttached = true;
    }
  }
  detach() {
    if (this._isAttached) {
      this._cleanupKeydown?.();
      this._isAttached = false;
    }
  }
  _keydownListener = event => {
    const overlays = this._attachedOverlays;
    for (let i = overlays.length - 1; i > -1; i--) {
      const overlayRef = overlays[i];
      if (this.canReceiveEvent(overlayRef, event, overlayRef._keydownEvents)) {
        this._ngZone.run(() => overlayRef._keydownEvents.next(event));
        break;
      }
    }
  };
  static ɵfac = i0.ɵɵngDeclareFactory({
    minVersion: "12.0.0",
    version: "22.1.3",
    ngImport: i0,
    type: OverlayKeyboardDispatcher,
    deps: [],
    target: i0.ɵɵFactoryTarget.Service
  });
  static ɵprov = i0.ɵɵngDeclareService({
    minVersion: "22.0.0",
    version: "22.1.3",
    ngImport: i0,
    type: OverlayKeyboardDispatcher
  });
}
i0.ɵɵngDeclareClassMetadata({
  minVersion: "12.0.0",
  version: "22.1.3",
  ngImport: i0,
  type: OverlayKeyboardDispatcher,
  decorators: [{
    type: Service
  }]
});

class OverlayOutsideClickDispatcher extends BaseOverlayDispatcher {
  _platform = inject(Platform);
  _ngZone = inject(NgZone);
  _renderer = inject(RendererFactory2).createRenderer(null, null);
  _cursorOriginalValue;
  _cursorStyleIsSet = false;
  _pointerDownEventTarget = null;
  _cleanups;
  add(overlayRef) {
    super.add(overlayRef);
    if (!this._isAttached) {
      const body = this._document.body;
      const eventOptions = {
        capture: true
      };
      const renderer = this._renderer;
      this._cleanups = this._ngZone.runOutsideAngular(() => [renderer.listen(body, 'pointerdown', this._pointerDownListener, eventOptions), renderer.listen(body, 'click', this._clickListener, eventOptions), renderer.listen(body, 'auxclick', this._clickListener, eventOptions), renderer.listen(body, 'contextmenu', this._clickListener, eventOptions)]);
      if (this._platform.IOS && !this._cursorStyleIsSet) {
        this._cursorOriginalValue = body.style.cursor;
        body.style.cursor = 'pointer';
        this._cursorStyleIsSet = true;
      }
      this._isAttached = true;
    }
  }
  detach() {
    if (this._isAttached) {
      this._cleanups?.forEach(cleanup => cleanup());
      this._cleanups = undefined;
      if (this._platform.IOS && this._cursorStyleIsSet) {
        this._document.body.style.cursor = this._cursorOriginalValue;
        this._cursorStyleIsSet = false;
      }
      this._isAttached = false;
    }
  }
  _pointerDownListener = event => {
    this._pointerDownEventTarget = _getEventTarget(event);
  };
  _clickListener = event => {
    const target = _getEventTarget(event);
    const origin = event.type === 'click' && this._pointerDownEventTarget ? this._pointerDownEventTarget : target;
    this._pointerDownEventTarget = null;
    const overlays = this._attachedOverlays.slice();
    for (let i = overlays.length - 1; i > -1; i--) {
      const overlayRef = overlays[i];
      const outsidePointerEvents = overlayRef._outsidePointerEvents;
      if (!overlayRef.hasAttached() || !this.canReceiveEvent(overlayRef, event, outsidePointerEvents)) {
        continue;
      }
      if (containsPierceShadowDom(overlayRef.overlayElement, target) || containsPierceShadowDom(overlayRef.overlayElement, origin)) {
        break;
      }
      if (this._ngZone) {
        this._ngZone.run(() => outsidePointerEvents.next(event));
      } else {
        outsidePointerEvents.next(event);
      }
    }
  };
  static ɵfac = i0.ɵɵngDeclareFactory({
    minVersion: "12.0.0",
    version: "22.1.3",
    ngImport: i0,
    type: OverlayOutsideClickDispatcher,
    deps: [],
    target: i0.ɵɵFactoryTarget.Service
  });
  static ɵprov = i0.ɵɵngDeclareService({
    minVersion: "22.0.0",
    version: "22.1.3",
    ngImport: i0,
    type: OverlayOutsideClickDispatcher
  });
}
i0.ɵɵngDeclareClassMetadata({
  minVersion: "12.0.0",
  version: "22.1.3",
  ngImport: i0,
  type: OverlayOutsideClickDispatcher,
  decorators: [{
    type: Service
  }]
});
function containsPierceShadowDom(parent, child) {
  const supportsShadowRoot = typeof ShadowRoot !== 'undefined' && ShadowRoot;
  let current = child;
  while (current) {
    if (current === parent) {
      return true;
    }
    current = supportsShadowRoot && current instanceof ShadowRoot ? current.host : current.parentNode;
  }
  return false;
}

class _CdkOverlayStyleLoader {
  static ɵfac = i0.ɵɵngDeclareFactory({
    minVersion: "12.0.0",
    version: "22.1.3",
    ngImport: i0,
    type: _CdkOverlayStyleLoader,
    deps: [],
    target: i0.ɵɵFactoryTarget.Component
  });
  static ɵcmp = i0.ɵɵngDeclareComponent({
    minVersion: "14.0.0",
    version: "22.1.3",
    type: _CdkOverlayStyleLoader,
    isStandalone: true,
    selector: "ng-component",
    host: {
      attributes: {
        "cdk-overlay-style-loader": ""
      }
    },
    ngImport: i0,
    template: '',
    isInline: true,
    styles: [".cdk-overlay-container, .cdk-global-overlay-wrapper {\n  pointer-events: none;\n  top: 0;\n  left: 0;\n  height: 100%;\n  width: 100%;\n}\n\n.cdk-overlay-container {\n  position: fixed;\n}\n@layer cdk-overlay {\n  .cdk-overlay-container {\n    z-index: 1000;\n  }\n}\n.cdk-overlay-container:empty {\n  display: none;\n}\n\n.cdk-global-overlay-wrapper {\n  display: flex;\n  position: absolute;\n}\n@layer cdk-overlay {\n  .cdk-global-overlay-wrapper {\n    z-index: 1000;\n  }\n}\n\n.cdk-overlay-pane {\n  position: absolute;\n  pointer-events: auto;\n  box-sizing: border-box;\n  display: flex;\n  max-width: 100%;\n  max-height: 100%;\n}\n@layer cdk-overlay {\n  .cdk-overlay-pane {\n    z-index: 1000;\n  }\n}\n\n.cdk-overlay-backdrop {\n  position: absolute;\n  top: 0;\n  bottom: 0;\n  left: 0;\n  right: 0;\n  pointer-events: auto;\n  -webkit-tap-highlight-color: transparent;\n  opacity: 0;\n  touch-action: manipulation;\n}\n@layer cdk-overlay {\n  .cdk-overlay-backdrop {\n    z-index: 1000;\n    transition: opacity 400ms cubic-bezier(0.25, 0.8, 0.25, 1);\n  }\n}\n@media (prefers-reduced-motion) {\n  .cdk-overlay-backdrop {\n    transition-duration: 1ms;\n  }\n}\n\n.cdk-overlay-backdrop-showing {\n  opacity: 1;\n}\n@media (forced-colors: active) {\n  .cdk-overlay-backdrop-showing {\n    opacity: 0.6;\n  }\n}\n\n@layer cdk-overlay {\n  .cdk-overlay-dark-backdrop {\n    background: rgba(0, 0, 0, 0.32);\n  }\n}\n\n.cdk-overlay-transparent-backdrop {\n  transition: visibility 1ms linear, opacity 1ms linear;\n  visibility: hidden;\n  opacity: 1;\n}\n.cdk-overlay-transparent-backdrop.cdk-overlay-backdrop-showing, .cdk-high-contrast-active .cdk-overlay-transparent-backdrop {\n  opacity: 0;\n  visibility: visible;\n}\n\n.cdk-overlay-backdrop-noop-animation {\n  transition: none;\n}\n\n.cdk-overlay-connected-position-bounding-box {\n  position: absolute;\n  display: flex;\n  flex-direction: column;\n  min-width: 1px;\n  min-height: 1px;\n}\n@layer cdk-overlay {\n  .cdk-overlay-connected-position-bounding-box {\n    z-index: 1000;\n  }\n}\n\n.cdk-global-scrollblock {\n  position: fixed;\n  width: 100%;\n  overflow-y: scroll;\n}\n\n.cdk-overlay-popover {\n  background: none;\n  border: none;\n  padding: 0;\n  outline: 0;\n  overflow: visible;\n  position: fixed;\n  pointer-events: none;\n  white-space: normal;\n  color: inherit;\n  text-decoration: none;\n  width: 100%;\n  height: 100%;\n  inset: auto;\n  top: 0;\n  left: 0;\n}\n.cdk-overlay-popover::backdrop {\n  display: none;\n}\n.cdk-overlay-popover .cdk-overlay-backdrop {\n  position: fixed;\n  z-index: auto;\n}\n"],
    encapsulation: i0.ViewEncapsulation.None
  });
}
i0.ɵɵngDeclareClassMetadata({
  minVersion: "12.0.0",
  version: "22.1.3",
  ngImport: i0,
  type: _CdkOverlayStyleLoader,
  decorators: [{
    type: Component,
    args: [{
      template: '',
      encapsulation: ViewEncapsulation.None,
      host: {
        'cdk-overlay-style-loader': ''
      },
      styles: [".cdk-overlay-container, .cdk-global-overlay-wrapper {\n  pointer-events: none;\n  top: 0;\n  left: 0;\n  height: 100%;\n  width: 100%;\n}\n\n.cdk-overlay-container {\n  position: fixed;\n}\n@layer cdk-overlay {\n  .cdk-overlay-container {\n    z-index: 1000;\n  }\n}\n.cdk-overlay-container:empty {\n  display: none;\n}\n\n.cdk-global-overlay-wrapper {\n  display: flex;\n  position: absolute;\n}\n@layer cdk-overlay {\n  .cdk-global-overlay-wrapper {\n    z-index: 1000;\n  }\n}\n\n.cdk-overlay-pane {\n  position: absolute;\n  pointer-events: auto;\n  box-sizing: border-box;\n  display: flex;\n  max-width: 100%;\n  max-height: 100%;\n}\n@layer cdk-overlay {\n  .cdk-overlay-pane {\n    z-index: 1000;\n  }\n}\n\n.cdk-overlay-backdrop {\n  position: absolute;\n  top: 0;\n  bottom: 0;\n  left: 0;\n  right: 0;\n  pointer-events: auto;\n  -webkit-tap-highlight-color: transparent;\n  opacity: 0;\n  touch-action: manipulation;\n}\n@layer cdk-overlay {\n  .cdk-overlay-backdrop {\n    z-index: 1000;\n    transition: opacity 400ms cubic-bezier(0.25, 0.8, 0.25, 1);\n  }\n}\n@media (prefers-reduced-motion) {\n  .cdk-overlay-backdrop {\n    transition-duration: 1ms;\n  }\n}\n\n.cdk-overlay-backdrop-showing {\n  opacity: 1;\n}\n@media (forced-colors: active) {\n  .cdk-overlay-backdrop-showing {\n    opacity: 0.6;\n  }\n}\n\n@layer cdk-overlay {\n  .cdk-overlay-dark-backdrop {\n    background: rgba(0, 0, 0, 0.32);\n  }\n}\n\n.cdk-overlay-transparent-backdrop {\n  transition: visibility 1ms linear, opacity 1ms linear;\n  visibility: hidden;\n  opacity: 1;\n}\n.cdk-overlay-transparent-backdrop.cdk-overlay-backdrop-showing, .cdk-high-contrast-active .cdk-overlay-transparent-backdrop {\n  opacity: 0;\n  visibility: visible;\n}\n\n.cdk-overlay-backdrop-noop-animation {\n  transition: none;\n}\n\n.cdk-overlay-connected-position-bounding-box {\n  position: absolute;\n  display: flex;\n  flex-direction: column;\n  min-width: 1px;\n  min-height: 1px;\n}\n@layer cdk-overlay {\n  .cdk-overlay-connected-position-bounding-box {\n    z-index: 1000;\n  }\n}\n\n.cdk-global-scrollblock {\n  position: fixed;\n  width: 100%;\n  overflow-y: scroll;\n}\n\n.cdk-overlay-popover {\n  background: none;\n  border: none;\n  padding: 0;\n  outline: 0;\n  overflow: visible;\n  position: fixed;\n  pointer-events: none;\n  white-space: normal;\n  color: inherit;\n  text-decoration: none;\n  width: 100%;\n  height: 100%;\n  inset: auto;\n  top: 0;\n  left: 0;\n}\n.cdk-overlay-popover::backdrop {\n  display: none;\n}\n.cdk-overlay-popover .cdk-overlay-backdrop {\n  position: fixed;\n  z-index: auto;\n}\n"]
    }]
  }]
});
class OverlayContainer {
  _platform = inject(Platform);
  _containerElement;
  _document = inject(DOCUMENT);
  _styleLoader = inject(_CdkPrivateStyleLoader);
  ngOnDestroy() {
    this._containerElement?.remove();
  }
  getContainerElement() {
    this._loadStyles();
    if (!this._containerElement) {
      this._createContainer();
    }
    return this._containerElement;
  }
  _createContainer() {
    const containerClass = 'cdk-overlay-container';
    if (this._platform.isBrowser || _isTestEnvironment()) {
      const oppositePlatformContainers = this._document.querySelectorAll(`.${containerClass}[platform="server"], ` + `.${containerClass}[platform="test"]`);
      for (let i = 0; i < oppositePlatformContainers.length; i++) {
        oppositePlatformContainers[i].remove();
      }
    }
    const container = this._document.createElement('div');
    container.classList.add(containerClass);
    if (_isTestEnvironment()) {
      container.setAttribute('platform', 'test');
    } else if (!this._platform.isBrowser) {
      container.setAttribute('platform', 'server');
    }
    this._document.body.appendChild(container);
    this._containerElement = container;
  }
  _loadStyles() {
    this._styleLoader.load(_CdkOverlayStyleLoader);
  }
  static ɵfac = i0.ɵɵngDeclareFactory({
    minVersion: "12.0.0",
    version: "22.1.3",
    ngImport: i0,
    type: OverlayContainer,
    deps: [],
    target: i0.ɵɵFactoryTarget.Service
  });
  static ɵprov = i0.ɵɵngDeclareService({
    minVersion: "22.0.0",
    version: "22.1.3",
    ngImport: i0,
    type: OverlayContainer
  });
}
i0.ɵɵngDeclareClassMetadata({
  minVersion: "12.0.0",
  version: "22.1.3",
  ngImport: i0,
  type: OverlayContainer,
  decorators: [{
    type: Service
  }]
});

class BackdropRef {
  _renderer;
  _ngZone;
  element;
  _cleanupClick;
  _cleanupTransitionEnd;
  _fallbackTimeout;
  constructor(document, _renderer, _ngZone, onClick) {
    this._renderer = _renderer;
    this._ngZone = _ngZone;
    this.element = document.createElement('div');
    this.element.classList.add('cdk-overlay-backdrop');
    this._cleanupClick = _renderer.listen(this.element, 'click', onClick);
  }
  detach() {
    this._ngZone.runOutsideAngular(() => {
      const element = this.element;
      clearTimeout(this._fallbackTimeout);
      this._cleanupTransitionEnd?.();
      this._cleanupTransitionEnd = this._renderer.listen(element, 'transitionend', this.dispose);
      this._fallbackTimeout = setTimeout(this.dispose, 500);
      element.style.pointerEvents = 'none';
      element.classList.remove('cdk-overlay-backdrop-showing');
    });
  }
  dispose = () => {
    clearTimeout(this._fallbackTimeout);
    this._cleanupClick?.();
    this._cleanupTransitionEnd?.();
    this._cleanupClick = this._cleanupTransitionEnd = this._fallbackTimeout = undefined;
    this.element.remove();
  };
}

function isElement(value) {
  return value && value.nodeType === 1;
}
class OverlayRef {
  _portalOutlet;
  _host;
  _pane;
  _config;
  _ngZone;
  _keyboardDispatcher;
  _document;
  _location;
  _outsideClickDispatcher;
  _animationsDisabled;
  _injector;
  _renderer;
  _backdropClick = new Subject();
  _attachments = new Subject();
  _detachments = new Subject();
  _positionStrategy;
  _scrollStrategy;
  _locationChanges = Subscription.EMPTY;
  _backdropRef = null;
  _detachContentMutationObserver;
  _detachContentAfterRenderRef;
  _disposed = false;
  _previousHostParent;
  _keydownEvents = new Subject();
  _outsidePointerEvents = new Subject();
  _afterNextRenderRef;
  constructor(_portalOutlet, _host, _pane, _config, _ngZone, _keyboardDispatcher, _document, _location, _outsideClickDispatcher, _animationsDisabled = false, _injector, _renderer) {
    this._portalOutlet = _portalOutlet;
    this._host = _host;
    this._pane = _pane;
    this._config = _config;
    this._ngZone = _ngZone;
    this._keyboardDispatcher = _keyboardDispatcher;
    this._document = _document;
    this._location = _location;
    this._outsideClickDispatcher = _outsideClickDispatcher;
    this._animationsDisabled = _animationsDisabled;
    this._injector = _injector;
    this._renderer = _renderer;
    if (_config.scrollStrategy) {
      this._scrollStrategy = _config.scrollStrategy;
      this._scrollStrategy.attach(this);
    }
    this._positionStrategy = _config.positionStrategy;
  }
  get overlayElement() {
    return this._pane;
  }
  get backdropElement() {
    return this._backdropRef?.element || null;
  }
  get hostElement() {
    return this._host;
  }
  get eventPredicate() {
    return this._config?.eventPredicate || null;
  }
  attach(portal) {
    if (this._disposed) {
      return null;
    }
    this._attachHost();
    const attachResult = this._portalOutlet.attach(portal);
    this._positionStrategy?.attach(this);
    this._updateStackingOrder();
    this._updateElementSize();
    this._updateElementDirection();
    if (this._scrollStrategy) {
      this._scrollStrategy.enable();
    }
    this._afterNextRenderRef?.destroy();
    this._afterNextRenderRef = afterNextRender(() => {
      if (this.hasAttached()) {
        this.updatePosition();
      }
    }, {
      injector: this._injector
    });
    this._togglePointerEvents(true);
    if (this._config.hasBackdrop) {
      this._attachBackdrop();
    }
    if (this._config.panelClass) {
      this._toggleClasses(this._pane, this._config.panelClass, true);
    }
    this._attachments.next();
    this._completeDetachContent();
    this._keyboardDispatcher.add(this);
    if (this._config.disposeOnNavigation) {
      this._locationChanges = this._location.subscribe(() => this.dispose());
    }
    this._outsideClickDispatcher.add(this);
    if (typeof attachResult?.onDestroy === 'function') {
      attachResult.onDestroy(() => {
        if (this.hasAttached()) {
          this._ngZone.runOutsideAngular(() => Promise.resolve().then(() => this.detach()));
        }
      });
    }
    return attachResult;
  }
  detach() {
    if (!this.hasAttached()) {
      return;
    }
    this.detachBackdrop();
    this._togglePointerEvents(false);
    if (this._positionStrategy && this._positionStrategy.detach) {
      this._positionStrategy.detach();
    }
    if (this._scrollStrategy) {
      this._scrollStrategy.disable();
    }
    const detachmentResult = this._portalOutlet.detach();
    this._detachments.next();
    this._completeDetachContent();
    this._keyboardDispatcher.remove(this);
    this._detachContentWhenEmpty();
    this._locationChanges.unsubscribe();
    this._outsideClickDispatcher.remove(this);
    return detachmentResult;
  }
  dispose() {
    if (this._disposed) {
      return;
    }
    const isAttached = this.hasAttached();
    if (this._positionStrategy) {
      this._positionStrategy.dispose();
    }
    this._disposeScrollStrategy();
    this._backdropRef?.dispose();
    this._locationChanges.unsubscribe();
    this._keyboardDispatcher.remove(this);
    this._portalOutlet.dispose();
    this._attachments.complete();
    this._backdropClick.complete();
    this._keydownEvents.complete();
    this._outsidePointerEvents.complete();
    this._outsideClickDispatcher.remove(this);
    this._host?.remove();
    this._afterNextRenderRef?.destroy();
    this._previousHostParent = this._pane = this._host = this._backdropRef = null;
    if (isAttached) {
      this._detachments.next();
    }
    this._detachments.complete();
    this._completeDetachContent();
    this._disposed = true;
  }
  hasAttached() {
    return this._portalOutlet.hasAttached();
  }
  backdropClick() {
    return this._backdropClick;
  }
  attachments() {
    return this._attachments;
  }
  detachments() {
    return this._detachments;
  }
  keydownEvents() {
    return this._keydownEvents;
  }
  outsidePointerEvents() {
    return this._outsidePointerEvents;
  }
  getConfig() {
    return this._config;
  }
  updatePosition() {
    if (this._positionStrategy) {
      this._positionStrategy.apply();
    }
  }
  updatePositionStrategy(strategy) {
    if (strategy === this._positionStrategy) {
      return;
    }
    if (this._positionStrategy) {
      this._positionStrategy.dispose();
    }
    this._positionStrategy = strategy;
    if (this.hasAttached()) {
      strategy.attach(this);
      this.updatePosition();
    }
  }
  updateSize(sizeConfig) {
    this._config = {
      ...this._config,
      ...sizeConfig
    };
    this._updateElementSize();
  }
  setDirection(dir) {
    this._config = {
      ...this._config,
      direction: dir
    };
    this._updateElementDirection();
  }
  addPanelClass(classes) {
    if (this._pane) {
      this._toggleClasses(this._pane, classes, true);
    }
  }
  removePanelClass(classes) {
    if (this._pane) {
      this._toggleClasses(this._pane, classes, false);
    }
  }
  getDirection() {
    const direction = this._config.direction;
    if (!direction) {
      return 'ltr';
    }
    return typeof direction === 'string' ? direction : direction.value;
  }
  updateScrollStrategy(strategy) {
    if (strategy === this._scrollStrategy) {
      return;
    }
    this._disposeScrollStrategy();
    this._scrollStrategy = strategy;
    if (this.hasAttached()) {
      strategy.attach(this);
      strategy.enable();
    }
  }
  _updateElementDirection() {
    this._host.setAttribute('dir', this.getDirection());
  }
  _updateElementSize() {
    if (!this._pane) {
      return;
    }
    const style = this._pane.style;
    style.width = coerceCssPixelValue(this._config.width);
    style.height = coerceCssPixelValue(this._config.height);
    style.minWidth = coerceCssPixelValue(this._config.minWidth);
    style.minHeight = coerceCssPixelValue(this._config.minHeight);
    style.maxWidth = coerceCssPixelValue(this._config.maxWidth);
    style.maxHeight = coerceCssPixelValue(this._config.maxHeight);
  }
  _togglePointerEvents(enablePointer) {
    this._pane.style.pointerEvents = enablePointer ? '' : 'none';
  }
  _attachHost() {
    if (!this._host.parentElement) {
      const customInsertionPoint = this._config.usePopover ? this._positionStrategy?.getPopoverInsertionPoint?.() : null;
      if (isElement(customInsertionPoint)) {
        customInsertionPoint.after(this._host);
      } else if (customInsertionPoint?.type === 'parent') {
        customInsertionPoint.element.appendChild(this._host);
      } else {
        this._previousHostParent?.appendChild(this._host);
      }
    }
    if (this._config.usePopover) {
      try {
        this._host['showPopover']();
      } catch {}
    }
  }
  _attachBackdrop() {
    const showingClass = 'cdk-overlay-backdrop-showing';
    this._backdropRef?.dispose();
    this._backdropRef = new BackdropRef(this._document, this._renderer, this._ngZone, event => {
      this._backdropClick.next(event);
    });
    if (this._animationsDisabled) {
      this._backdropRef.element.classList.add('cdk-overlay-backdrop-noop-animation');
    }
    if (this._config.backdropClass) {
      this._toggleClasses(this._backdropRef.element, this._config.backdropClass, true);
    }
    if (this._config.usePopover) {
      this._host.prepend(this._backdropRef.element);
    } else {
      this._host.parentElement.insertBefore(this._backdropRef.element, this._host);
    }
    if (!this._animationsDisabled && typeof requestAnimationFrame !== 'undefined') {
      this._ngZone.runOutsideAngular(() => {
        requestAnimationFrame(() => this._backdropRef?.element.classList.add(showingClass));
      });
    } else {
      this._backdropRef.element.classList.add(showingClass);
    }
  }
  _updateStackingOrder() {
    if (!this._config.usePopover && this._host.nextSibling) {
      this._host.parentNode.appendChild(this._host);
    }
  }
  detachBackdrop() {
    if (this._animationsDisabled) {
      this._backdropRef?.dispose();
      this._backdropRef = null;
    } else {
      this._backdropRef?.detach();
    }
  }
  _toggleClasses(element, cssClasses, isAdd) {
    const classes = coerceArray(cssClasses || []).filter(c => !!c);
    if (classes.length) {
      isAdd ? element.classList.add(...classes) : element.classList.remove(...classes);
    }
  }
  _detachContentWhenEmpty() {
    let rethrow = false;
    try {
      this._detachContentAfterRenderRef = afterNextRender(() => {
        rethrow = true;
        this._detachContent();
      }, {
        injector: this._injector
      });
    } catch (e) {
      if (rethrow) {
        throw e;
      }
      this._detachContent();
    }
    if (globalThis.MutationObserver && this._pane) {
      this._detachContentMutationObserver ||= new globalThis.MutationObserver(() => {
        this._detachContent();
      });
      this._detachContentMutationObserver.observe(this._pane, {
        childList: true
      });
    }
  }
  _detachContent() {
    if (!this._pane || !this._host || this._pane.children.length === 0) {
      if (this._pane && this._config.panelClass) {
        this._toggleClasses(this._pane, this._config.panelClass, false);
      }
      if (this._host && this._host.parentElement) {
        this._previousHostParent = this._host.parentElement;
        this._host.remove();
      }
      this._completeDetachContent();
    }
  }
  _completeDetachContent() {
    this._detachContentAfterRenderRef?.destroy();
    this._detachContentAfterRenderRef = undefined;
    this._detachContentMutationObserver?.disconnect();
  }
  _disposeScrollStrategy() {
    const scrollStrategy = this._scrollStrategy;
    scrollStrategy?.disable();
    scrollStrategy?.detach?.();
  }
}

const boundingBoxClass = 'cdk-overlay-connected-position-bounding-box';
const cssUnitPattern = /([A-Za-z%]+)$/;
function createFlexibleConnectedPositionStrategy(injector, origin) {
  return new FlexibleConnectedPositionStrategy(origin, injector.get(ViewportRuler), injector.get(DOCUMENT), injector.get(Platform), injector.get(OverlayContainer));
}
class FlexibleConnectedPositionStrategy {
  _viewportRuler;
  _document;
  _platform;
  _overlayContainer;
  _overlayRef;
  _isInitialRender = false;
  _lastBoundingBoxSize = {
    width: 0,
    height: 0
  };
  _isPushed = false;
  _canPush = true;
  _growAfterOpen = false;
  _hasFlexibleDimensions = true;
  _positionLocked = false;
  _originRect;
  _overlayRect;
  _viewportRect;
  _containerRect;
  _viewportMargin = 0;
  _scrollables = [];
  _preferredPositions = [];
  _origin;
  _pane;
  _isDisposed = false;
  _boundingBox = null;
  _lastPosition = null;
  _lastScrollVisibility = null;
  _positionChanges = new Subject();
  _resizeSubscription = Subscription.EMPTY;
  _offsetX = 0;
  _offsetY = 0;
  _transformOriginSelector;
  _appliedPanelClasses = [];
  _previousPushAmount = null;
  _popoverLocation = 'global';
  positionChanges = this._positionChanges;
  get positions() {
    return this._preferredPositions;
  }
  constructor(connectedTo, _viewportRuler, _document, _platform, _overlayContainer) {
    this._viewportRuler = _viewportRuler;
    this._document = _document;
    this._platform = _platform;
    this._overlayContainer = _overlayContainer;
    this.setOrigin(connectedTo);
  }
  attach(overlayRef) {
    if (this._overlayRef && overlayRef !== this._overlayRef && (typeof ngDevMode === 'undefined' || ngDevMode)) {
      throw Error('This position strategy is already attached to an overlay');
    }
    this._validatePositions();
    overlayRef.hostElement.classList.add(boundingBoxClass);
    this._overlayRef = overlayRef;
    this._boundingBox = overlayRef.hostElement;
    this._pane = overlayRef.overlayElement;
    this._isDisposed = false;
    this._isInitialRender = true;
    this._lastPosition = null;
    this._resizeSubscription.unsubscribe();
    this._resizeSubscription = this._viewportRuler.change().subscribe(() => {
      this._isInitialRender = true;
      this.apply();
    });
  }
  apply() {
    if (this._isDisposed || !this._platform.isBrowser) {
      return;
    }
    if (!this._isInitialRender && this._positionLocked && this._lastPosition) {
      this.reapplyLastPosition();
      return;
    }
    this._clearPanelClasses();
    this._resetOverlayElementStyles();
    this._resetBoundingBoxStyles();
    this._viewportRect = this._getNarrowedViewportRect();
    this._originRect = this._getOriginRect();
    this._overlayRect = this._pane.getBoundingClientRect();
    this._containerRect = this._getContainerRect();
    const originRect = this._originRect;
    const overlayRect = this._overlayRect;
    const viewportRect = this._viewportRect;
    const containerRect = this._containerRect;
    const flexibleFits = [];
    let fallback;
    for (let pos of this._preferredPositions) {
      let originPoint = this._getOriginPoint(originRect, containerRect, pos);
      let overlayPoint = this._getOverlayPoint(originPoint, overlayRect, pos);
      let overlayFit = this._getOverlayFit(overlayPoint, overlayRect, viewportRect, pos);
      if (overlayFit.isCompletelyWithinViewport) {
        this._isPushed = false;
        this._applyPosition(pos, originPoint);
        return;
      }
      if (this._canFitWithFlexibleDimensions(overlayFit, overlayPoint, viewportRect)) {
        flexibleFits.push({
          position: pos,
          origin: originPoint,
          overlayRect,
          boundingBoxRect: this._calculateBoundingBoxRect(originPoint, pos)
        });
        continue;
      }
      if (!fallback || fallback.overlayFit.visibleArea < overlayFit.visibleArea) {
        fallback = {
          overlayFit,
          overlayPoint,
          originPoint,
          position: pos,
          overlayRect
        };
      }
    }
    if (flexibleFits.length) {
      let bestFit = null;
      let bestScore = -1;
      for (const fit of flexibleFits) {
        const score = fit.boundingBoxRect.width * fit.boundingBoxRect.height * (fit.position.weight || 1);
        if (score > bestScore) {
          bestScore = score;
          bestFit = fit;
        }
      }
      this._isPushed = false;
      this._applyPosition(bestFit.position, bestFit.origin);
      return;
    }
    if (this._canPush) {
      this._isPushed = true;
      this._applyPosition(fallback.position, fallback.originPoint);
      return;
    }
    this._applyPosition(fallback.position, fallback.originPoint);
  }
  detach() {
    this._clearPanelClasses();
    this._lastPosition = null;
    this._previousPushAmount = null;
    this._resizeSubscription.unsubscribe();
  }
  dispose() {
    if (this._isDisposed) {
      return;
    }
    if (this._boundingBox) {
      extendStyles(this._boundingBox.style, {
        top: '',
        left: '',
        right: '',
        bottom: '',
        height: '',
        width: '',
        alignItems: '',
        justifyContent: ''
      });
    }
    if (this._pane) {
      this._resetOverlayElementStyles();
    }
    if (this._overlayRef) {
      this._overlayRef.hostElement.classList.remove(boundingBoxClass);
    }
    this.detach();
    this._positionChanges.complete();
    this._overlayRef = this._boundingBox = null;
    this._isDisposed = true;
  }
  reapplyLastPosition() {
    if (this._isDisposed || !this._platform.isBrowser) {
      return;
    }
    const lastPosition = this._lastPosition;
    if (lastPosition) {
      this._originRect = this._getOriginRect();
      this._overlayRect = this._pane.getBoundingClientRect();
      this._viewportRect = this._getNarrowedViewportRect();
      this._containerRect = this._getContainerRect();
      this._applyPosition(lastPosition, this._getOriginPoint(this._originRect, this._containerRect, lastPosition));
    } else {
      this.apply();
    }
  }
  withScrollableContainers(scrollables) {
    this._scrollables = scrollables;
    return this;
  }
  withPositions(positions) {
    this._preferredPositions = positions;
    if (positions.indexOf(this._lastPosition) === -1) {
      this._lastPosition = null;
    }
    this._validatePositions();
    return this;
  }
  withViewportMargin(margin) {
    this._viewportMargin = margin;
    return this;
  }
  withFlexibleDimensions(flexibleDimensions = true) {
    this._hasFlexibleDimensions = flexibleDimensions;
    return this;
  }
  withGrowAfterOpen(growAfterOpen = true) {
    this._growAfterOpen = growAfterOpen;
    return this;
  }
  withPush(canPush = true) {
    this._canPush = canPush;
    return this;
  }
  withLockedPosition(isLocked = true) {
    this._positionLocked = isLocked;
    return this;
  }
  setOrigin(origin) {
    this._origin = origin;
    return this;
  }
  withDefaultOffsetX(offset) {
    this._offsetX = offset;
    return this;
  }
  withDefaultOffsetY(offset) {
    this._offsetY = offset;
    return this;
  }
  withTransformOriginOn(selector) {
    this._transformOriginSelector = selector;
    return this;
  }
  withPopoverLocation(location) {
    this._popoverLocation = location;
    return this;
  }
  getPopoverInsertionPoint() {
    if (this._popoverLocation === 'global') {
      return null;
    } else if (this._popoverLocation !== 'inline') {
      return this._popoverLocation;
    }
    if (this._origin instanceof ElementRef) {
      return this._origin.nativeElement;
    } else if (isElement(this._origin)) {
      return this._origin;
    } else {
      return null;
    }
  }
  _getOriginPoint(originRect, containerRect, pos) {
    let x;
    if (pos.originX == 'center') {
      x = originRect.left + originRect.width / 2;
    } else {
      const startX = this._isRtl() ? originRect.right : originRect.left;
      const endX = this._isRtl() ? originRect.left : originRect.right;
      x = pos.originX == 'start' ? startX : endX;
    }
    if (containerRect.left < 0) {
      x -= containerRect.left;
    }
    let y;
    if (pos.originY == 'center') {
      y = originRect.top + originRect.height / 2;
    } else {
      y = pos.originY == 'top' ? originRect.top : originRect.bottom;
    }
    if (containerRect.top < 0) {
      y -= containerRect.top;
    }
    return {
      x,
      y
    };
  }
  _getOverlayPoint(originPoint, overlayRect, pos) {
    let overlayStartX;
    if (pos.overlayX == 'center') {
      overlayStartX = -overlayRect.width / 2;
    } else if (pos.overlayX === 'start') {
      overlayStartX = this._isRtl() ? -overlayRect.width : 0;
    } else {
      overlayStartX = this._isRtl() ? 0 : -overlayRect.width;
    }
    let overlayStartY;
    if (pos.overlayY == 'center') {
      overlayStartY = -overlayRect.height / 2;
    } else {
      overlayStartY = pos.overlayY == 'top' ? 0 : -overlayRect.height;
    }
    return {
      x: originPoint.x + overlayStartX,
      y: originPoint.y + overlayStartY
    };
  }
  _getOverlayFit(point, rawOverlayRect, viewport, position) {
    const overlay = getRoundedBoundingClientRect(rawOverlayRect);
    let {
      x,
      y
    } = point;
    let offsetX = this._getOffset(position, 'x');
    let offsetY = this._getOffset(position, 'y');
    if (offsetX) {
      x += offsetX;
    }
    if (offsetY) {
      y += offsetY;
    }
    let leftOverflow = 0 - x;
    let rightOverflow = x + overlay.width - viewport.width;
    let topOverflow = 0 - y;
    let bottomOverflow = y + overlay.height - viewport.height;
    let visibleWidth = this._subtractOverflows(overlay.width, leftOverflow, rightOverflow);
    let visibleHeight = this._subtractOverflows(overlay.height, topOverflow, bottomOverflow);
    let visibleArea = visibleWidth * visibleHeight;
    return {
      visibleArea,
      isCompletelyWithinViewport: overlay.width * overlay.height === visibleArea,
      fitsInViewportVertically: visibleHeight === overlay.height,
      fitsInViewportHorizontally: visibleWidth == overlay.width
    };
  }
  _canFitWithFlexibleDimensions(fit, point, viewport) {
    if (this._hasFlexibleDimensions) {
      const availableHeight = viewport.bottom - point.y;
      const availableWidth = viewport.right - point.x;
      const minHeight = getPixelValue(this._overlayRef.getConfig().minHeight);
      const minWidth = getPixelValue(this._overlayRef.getConfig().minWidth);
      const verticalFit = fit.fitsInViewportVertically || minHeight != null && minHeight <= availableHeight;
      const horizontalFit = fit.fitsInViewportHorizontally || minWidth != null && minWidth <= availableWidth;
      return verticalFit && horizontalFit;
    }
    return false;
  }
  _pushOverlayOnScreen(start, rawOverlayRect, scrollPosition) {
    if (this._previousPushAmount && this._positionLocked) {
      return {
        x: start.x + this._previousPushAmount.x,
        y: start.y + this._previousPushAmount.y
      };
    }
    const overlay = getRoundedBoundingClientRect(rawOverlayRect);
    const viewport = this._viewportRect;
    const overflowRight = Math.max(start.x + overlay.width - viewport.width, 0);
    const overflowBottom = Math.max(start.y + overlay.height - viewport.height, 0);
    const overflowTop = Math.max(viewport.top - scrollPosition.top - start.y, 0);
    const overflowLeft = Math.max(viewport.left - scrollPosition.left - start.x, 0);
    let pushX = 0;
    let pushY = 0;
    if (overlay.width <= viewport.width) {
      pushX = overflowLeft || -overflowRight;
    } else {
      pushX = start.x < this._getViewportMarginStart() ? viewport.left - scrollPosition.left - start.x : 0;
    }
    if (overlay.height <= viewport.height) {
      pushY = overflowTop || -overflowBottom;
    } else {
      pushY = start.y < this._getViewportMarginTop() ? viewport.top - scrollPosition.top - start.y : 0;
    }
    this._previousPushAmount = {
      x: pushX,
      y: pushY
    };
    return {
      x: start.x + pushX,
      y: start.y + pushY
    };
  }
  _applyPosition(position, originPoint) {
    this._setTransformOrigin(position);
    this._setOverlayElementStyles(originPoint, position);
    this._setBoundingBoxStyles(originPoint, position);
    if (position.panelClass) {
      this._addPanelClasses(position.panelClass);
    }
    if (this._positionChanges.observers.length) {
      const scrollVisibility = this._getScrollVisibility();
      if (position !== this._lastPosition || !this._lastScrollVisibility || !compareScrollVisibility(this._lastScrollVisibility, scrollVisibility)) {
        const changeEvent = new ConnectedOverlayPositionChange(position, scrollVisibility);
        this._positionChanges.next(changeEvent);
      }
      this._lastScrollVisibility = scrollVisibility;
    }
    this._lastPosition = position;
    this._isInitialRender = false;
  }
  _setTransformOrigin(position) {
    if (!this._transformOriginSelector) {
      return;
    }
    const elements = this._boundingBox.querySelectorAll(this._transformOriginSelector);
    let xOrigin;
    let yOrigin = position.overlayY;
    if (position.overlayX === 'center') {
      xOrigin = 'center';
    } else if (this._isRtl()) {
      xOrigin = position.overlayX === 'start' ? 'right' : 'left';
    } else {
      xOrigin = position.overlayX === 'start' ? 'left' : 'right';
    }
    for (let i = 0; i < elements.length; i++) {
      elements[i].style.transformOrigin = `${xOrigin} ${yOrigin}`;
    }
  }
  _calculateBoundingBoxRect(origin, position) {
    const viewport = this._viewportRect;
    const isRtl = this._isRtl();
    let height, top, bottom;
    if (position.overlayY === 'top') {
      top = origin.y;
      height = viewport.height - top + this._getViewportMarginBottom();
    } else if (position.overlayY === 'bottom') {
      bottom = viewport.height - origin.y + this._getViewportMarginTop() + this._getViewportMarginBottom();
      height = viewport.height - bottom + this._getViewportMarginTop();
    } else {
      const smallestDistanceToViewportEdge = Math.min(viewport.bottom - origin.y + viewport.top, origin.y);
      const previousHeight = this._lastBoundingBoxSize.height;
      height = smallestDistanceToViewportEdge * 2;
      top = origin.y - smallestDistanceToViewportEdge;
      if (height > previousHeight && !this._isInitialRender && !this._growAfterOpen) {
        top = origin.y - previousHeight / 2;
      }
    }
    const isBoundedByRightViewportEdge = position.overlayX === 'start' && !isRtl || position.overlayX === 'end' && isRtl;
    const isBoundedByLeftViewportEdge = position.overlayX === 'end' && !isRtl || position.overlayX === 'start' && isRtl;
    let width, left, right;
    if (isBoundedByLeftViewportEdge) {
      right = viewport.width - origin.x + this._getViewportMarginStart() + this._getViewportMarginEnd();
      width = origin.x - this._getViewportMarginStart();
    } else if (isBoundedByRightViewportEdge) {
      left = origin.x;
      width = viewport.right - origin.x - this._getViewportMarginEnd();
    } else {
      const smallestDistanceToViewportEdge = Math.min(viewport.right - origin.x + viewport.left, origin.x);
      const previousWidth = this._lastBoundingBoxSize.width;
      width = smallestDistanceToViewportEdge * 2;
      left = origin.x - smallestDistanceToViewportEdge;
      if (width > previousWidth && !this._isInitialRender && !this._growAfterOpen) {
        left = origin.x - previousWidth / 2;
      }
    }
    return {
      top: top,
      left: left,
      bottom: bottom,
      right: right,
      width,
      height
    };
  }
  _setBoundingBoxStyles(origin, position) {
    const boundingBoxRect = this._calculateBoundingBoxRect(origin, position);
    if (!this._isInitialRender && !this._growAfterOpen) {
      boundingBoxRect.height = Math.min(boundingBoxRect.height, this._lastBoundingBoxSize.height);
      boundingBoxRect.width = Math.min(boundingBoxRect.width, this._lastBoundingBoxSize.width);
    }
    const styles = {};
    if (this._hasExactPosition()) {
      styles.top = styles.left = '0';
      styles.bottom = styles.right = 'auto';
      styles.maxHeight = styles.maxWidth = '';
      styles.width = styles.height = '100%';
    } else {
      const maxHeight = this._overlayRef.getConfig().maxHeight;
      const maxWidth = this._overlayRef.getConfig().maxWidth;
      styles.width = coerceCssPixelValue(boundingBoxRect.width);
      styles.height = coerceCssPixelValue(boundingBoxRect.height);
      styles.top = coerceCssPixelValue(boundingBoxRect.top) || 'auto';
      styles.bottom = coerceCssPixelValue(boundingBoxRect.bottom) || 'auto';
      styles.left = coerceCssPixelValue(boundingBoxRect.left) || 'auto';
      styles.right = coerceCssPixelValue(boundingBoxRect.right) || 'auto';
      if (position.overlayX === 'center') {
        styles.alignItems = 'center';
      } else {
        styles.alignItems = position.overlayX === 'end' ? 'flex-end' : 'flex-start';
      }
      if (position.overlayY === 'center') {
        styles.justifyContent = 'center';
      } else {
        styles.justifyContent = position.overlayY === 'bottom' ? 'flex-end' : 'flex-start';
      }
      if (maxHeight) {
        styles.maxHeight = coerceCssPixelValue(maxHeight);
      }
      if (maxWidth) {
        styles.maxWidth = coerceCssPixelValue(maxWidth);
      }
    }
    this._lastBoundingBoxSize = boundingBoxRect;
    extendStyles(this._boundingBox.style, styles);
  }
  _resetBoundingBoxStyles() {
    extendStyles(this._boundingBox.style, {
      top: '0',
      left: '0',
      right: '0',
      bottom: '0',
      height: '',
      width: '',
      alignItems: '',
      justifyContent: ''
    });
  }
  _resetOverlayElementStyles() {
    extendStyles(this._pane.style, {
      top: '',
      left: '',
      bottom: '',
      right: '',
      position: '',
      transform: ''
    });
  }
  _setOverlayElementStyles(originPoint, position) {
    const styles = {};
    const hasExactPosition = this._hasExactPosition();
    const hasFlexibleDimensions = this._hasFlexibleDimensions;
    const config = this._overlayRef.getConfig();
    if (hasExactPosition) {
      const scrollPosition = this._viewportRuler.getViewportScrollPosition();
      extendStyles(styles, this._getExactOverlayY(position, originPoint, scrollPosition));
      extendStyles(styles, this._getExactOverlayX(position, originPoint, scrollPosition));
    } else {
      styles.position = 'static';
    }
    let transformString = '';
    let offsetX = this._getOffset(position, 'x');
    let offsetY = this._getOffset(position, 'y');
    if (offsetX) {
      transformString += `translateX(${offsetX}px) `;
    }
    if (offsetY) {
      transformString += `translateY(${offsetY}px)`;
    }
    styles.transform = transformString.trim();
    if (config.maxHeight) {
      if (hasExactPosition) {
        styles.maxHeight = coerceCssPixelValue(config.maxHeight);
      } else if (hasFlexibleDimensions) {
        styles.maxHeight = '';
      }
    }
    if (config.maxWidth) {
      if (hasExactPosition) {
        styles.maxWidth = coerceCssPixelValue(config.maxWidth);
      } else if (hasFlexibleDimensions) {
        styles.maxWidth = '';
      }
    }
    extendStyles(this._pane.style, styles);
  }
  _getExactOverlayY(position, originPoint, scrollPosition) {
    let styles = {
      top: '',
      bottom: ''
    };
    let overlayPoint = this._getOverlayPoint(originPoint, this._overlayRect, position);
    if (this._isPushed) {
      overlayPoint = this._pushOverlayOnScreen(overlayPoint, this._overlayRect, scrollPosition);
    }
    if (position.overlayY === 'bottom') {
      const documentHeight = this._document.documentElement.clientHeight;
      styles.bottom = `${documentHeight - (overlayPoint.y + this._overlayRect.height)}px`;
    } else {
      styles.top = coerceCssPixelValue(overlayPoint.y);
    }
    return styles;
  }
  _getExactOverlayX(position, originPoint, scrollPosition) {
    let styles = {
      left: '',
      right: ''
    };
    let overlayPoint = this._getOverlayPoint(originPoint, this._overlayRect, position);
    if (this._isPushed) {
      overlayPoint = this._pushOverlayOnScreen(overlayPoint, this._overlayRect, scrollPosition);
    }
    let horizontalStyleProperty;
    if (this._isRtl()) {
      horizontalStyleProperty = position.overlayX === 'end' ? 'left' : 'right';
    } else {
      horizontalStyleProperty = position.overlayX === 'end' ? 'right' : 'left';
    }
    if (horizontalStyleProperty === 'right') {
      const documentWidth = this._document.documentElement.clientWidth;
      styles.right = `${documentWidth - (overlayPoint.x + this._overlayRect.width)}px`;
    } else {
      styles.left = coerceCssPixelValue(overlayPoint.x);
    }
    return styles;
  }
  _getScrollVisibility() {
    const originBounds = this._getOriginRect();
    const overlayBounds = this._pane.getBoundingClientRect();
    const scrollContainerBounds = this._scrollables.map(scrollable => {
      return scrollable.getElementRef().nativeElement.getBoundingClientRect();
    });
    return {
      isOriginClipped: isElementClippedByScrolling(originBounds, scrollContainerBounds),
      isOriginOutsideView: isElementScrolledOutsideView(originBounds, scrollContainerBounds),
      isOverlayClipped: isElementClippedByScrolling(overlayBounds, scrollContainerBounds),
      isOverlayOutsideView: isElementScrolledOutsideView(overlayBounds, scrollContainerBounds)
    };
  }
  _subtractOverflows(length, ...overflows) {
    return overflows.reduce((currentValue, currentOverflow) => {
      return currentValue - Math.max(currentOverflow, 0);
    }, length);
  }
  _getNarrowedViewportRect() {
    const width = this._document.documentElement.clientWidth;
    const height = this._document.documentElement.clientHeight;
    const scrollPosition = this._viewportRuler.getViewportScrollPosition();
    return {
      top: scrollPosition.top + this._getViewportMarginTop(),
      left: scrollPosition.left + this._getViewportMarginStart(),
      right: scrollPosition.left + width - this._getViewportMarginEnd(),
      bottom: scrollPosition.top + height - this._getViewportMarginBottom(),
      width: width - this._getViewportMarginStart() - this._getViewportMarginEnd(),
      height: height - this._getViewportMarginTop() - this._getViewportMarginBottom()
    };
  }
  _isRtl() {
    return this._overlayRef.getDirection() === 'rtl';
  }
  _hasExactPosition() {
    return !this._hasFlexibleDimensions || this._isPushed;
  }
  _getOffset(position, axis) {
    if (axis === 'x') {
      return position.offsetX == null ? this._offsetX : position.offsetX;
    }
    return position.offsetY == null ? this._offsetY : position.offsetY;
  }
  _validatePositions() {
    if (typeof ngDevMode === 'undefined' || ngDevMode) {
      if (!this._preferredPositions.length) {
        throw Error('FlexibleConnectedPositionStrategy: At least one position is required.');
      }
      this._preferredPositions.forEach(pair => {
        validateHorizontalPosition('originX', pair.originX);
        validateVerticalPosition('originY', pair.originY);
        validateHorizontalPosition('overlayX', pair.overlayX);
        validateVerticalPosition('overlayY', pair.overlayY);
      });
    }
  }
  _addPanelClasses(cssClasses) {
    if (this._pane) {
      coerceArray(cssClasses).forEach(cssClass => {
        if (cssClass !== '' && this._appliedPanelClasses.indexOf(cssClass) === -1) {
          this._appliedPanelClasses.push(cssClass);
          this._pane.classList.add(cssClass);
        }
      });
    }
  }
  _clearPanelClasses() {
    if (this._pane) {
      this._appliedPanelClasses.forEach(cssClass => {
        this._pane.classList.remove(cssClass);
      });
      this._appliedPanelClasses = [];
    }
  }
  _getViewportMarginStart() {
    if (typeof this._viewportMargin === 'number') return this._viewportMargin;
    return this._viewportMargin?.start ?? 0;
  }
  _getViewportMarginEnd() {
    if (typeof this._viewportMargin === 'number') return this._viewportMargin;
    return this._viewportMargin?.end ?? 0;
  }
  _getViewportMarginTop() {
    if (typeof this._viewportMargin === 'number') return this._viewportMargin;
    return this._viewportMargin?.top ?? 0;
  }
  _getViewportMarginBottom() {
    if (typeof this._viewportMargin === 'number') return this._viewportMargin;
    return this._viewportMargin?.bottom ?? 0;
  }
  _getOriginRect() {
    const origin = this._origin;
    if (origin instanceof ElementRef) {
      return origin.nativeElement.getBoundingClientRect();
    }
    if (origin instanceof Element) {
      return origin.getBoundingClientRect();
    }
    const width = origin.width || 0;
    const height = origin.height || 0;
    return {
      top: origin.y,
      bottom: origin.y + height,
      left: origin.x,
      right: origin.x + width,
      height,
      width
    };
  }
  _getContainerRect() {
    const isInlinePopover = this._overlayRef.getConfig().usePopover && this._popoverLocation !== 'global';
    const element = this._overlayContainer.getContainerElement();
    if (isInlinePopover) {
      element.style.display = 'block';
    }
    const dimensions = element.getBoundingClientRect();
    if (isInlinePopover) {
      element.style.display = '';
    }
    return dimensions;
  }
}
function extendStyles(destination, source) {
  for (let key in source) {
    if (source.hasOwnProperty(key)) {
      destination[key] = source[key];
    }
  }
  return destination;
}
function getPixelValue(input) {
  if (typeof input !== 'number' && input != null) {
    const [value, units] = input.split(cssUnitPattern);
    return !units || units === 'px' ? parseFloat(value) : null;
  }
  return input || null;
}
function getRoundedBoundingClientRect(clientRect) {
  return {
    top: Math.floor(clientRect.top),
    right: Math.floor(clientRect.right),
    bottom: Math.floor(clientRect.bottom),
    left: Math.floor(clientRect.left),
    width: Math.floor(clientRect.width),
    height: Math.floor(clientRect.height)
  };
}
function compareScrollVisibility(a, b) {
  if (a === b) {
    return true;
  }
  return a.isOriginClipped === b.isOriginClipped && a.isOriginOutsideView === b.isOriginOutsideView && a.isOverlayClipped === b.isOverlayClipped && a.isOverlayOutsideView === b.isOverlayOutsideView;
}
const STANDARD_DROPDOWN_BELOW_POSITIONS = [{
  originX: 'start',
  originY: 'bottom',
  overlayX: 'start',
  overlayY: 'top'
}, {
  originX: 'start',
  originY: 'top',
  overlayX: 'start',
  overlayY: 'bottom'
}, {
  originX: 'end',
  originY: 'bottom',
  overlayX: 'end',
  overlayY: 'top'
}, {
  originX: 'end',
  originY: 'top',
  overlayX: 'end',
  overlayY: 'bottom'
}];
const STANDARD_DROPDOWN_ADJACENT_POSITIONS = [{
  originX: 'end',
  originY: 'top',
  overlayX: 'start',
  overlayY: 'top'
}, {
  originX: 'end',
  originY: 'bottom',
  overlayX: 'start',
  overlayY: 'bottom'
}, {
  originX: 'start',
  originY: 'top',
  overlayX: 'end',
  overlayY: 'top'
}, {
  originX: 'start',
  originY: 'bottom',
  overlayX: 'end',
  overlayY: 'bottom'
}];

const wrapperClass = 'cdk-global-overlay-wrapper';
function createGlobalPositionStrategy(_injector) {
  return new GlobalPositionStrategy();
}
class GlobalPositionStrategy {
  _overlayRef;
  _cssPosition = 'static';
  _topOffset = '';
  _bottomOffset = '';
  _alignItems = '';
  _xPosition = '';
  _xOffset = '';
  _width = '';
  _height = '';
  _isDisposed = false;
  attach(overlayRef) {
    const config = overlayRef.getConfig();
    this._overlayRef = overlayRef;
    if (this._width && !config.width) {
      overlayRef.updateSize({
        width: this._width
      });
    }
    if (this._height && !config.height) {
      overlayRef.updateSize({
        height: this._height
      });
    }
    overlayRef.hostElement.classList.add(wrapperClass);
    this._isDisposed = false;
  }
  top(value = '') {
    this._bottomOffset = '';
    this._topOffset = value;
    this._alignItems = 'flex-start';
    return this;
  }
  left(value = '') {
    this._xOffset = value;
    this._xPosition = 'left';
    return this;
  }
  bottom(value = '') {
    this._topOffset = '';
    this._bottomOffset = value;
    this._alignItems = 'flex-end';
    return this;
  }
  right(value = '') {
    this._xOffset = value;
    this._xPosition = 'right';
    return this;
  }
  start(value = '') {
    this._xOffset = value;
    this._xPosition = 'start';
    return this;
  }
  end(value = '') {
    this._xOffset = value;
    this._xPosition = 'end';
    return this;
  }
  width(value = '') {
    if (this._overlayRef) {
      this._overlayRef.updateSize({
        width: value
      });
    } else {
      this._width = value;
    }
    return this;
  }
  height(value = '') {
    if (this._overlayRef) {
      this._overlayRef.updateSize({
        height: value
      });
    } else {
      this._height = value;
    }
    return this;
  }
  centerHorizontally(offset = '') {
    this.left(offset);
    this._xPosition = 'center';
    return this;
  }
  centerVertically(offset = '') {
    this.top(offset);
    this._alignItems = 'center';
    return this;
  }
  apply() {
    if (!this._overlayRef || !this._overlayRef.hasAttached()) {
      return;
    }
    const styles = this._overlayRef.overlayElement.style;
    const parentStyles = this._overlayRef.hostElement.style;
    const config = this._overlayRef.getConfig();
    const {
      width,
      height,
      maxWidth,
      maxHeight
    } = config;
    const shouldBeFlushHorizontally = (width === '100%' || width === '100vw') && (!maxWidth || maxWidth === '100%' || maxWidth === '100vw');
    const shouldBeFlushVertically = (height === '100%' || height === '100vh') && (!maxHeight || maxHeight === '100%' || maxHeight === '100vh');
    const xPosition = this._xPosition;
    const xOffset = this._xOffset;
    const isRtl = this._overlayRef.getConfig().direction === 'rtl';
    let marginLeft = '';
    let marginRight = '';
    let justifyContent = '';
    if (shouldBeFlushHorizontally) {
      justifyContent = 'flex-start';
    } else if (xPosition === 'center') {
      justifyContent = 'center';
      if (isRtl) {
        marginRight = xOffset;
      } else {
        marginLeft = xOffset;
      }
    } else if (isRtl) {
      if (xPosition === 'left' || xPosition === 'end') {
        justifyContent = 'flex-end';
        marginLeft = xOffset;
      } else if (xPosition === 'right' || xPosition === 'start') {
        justifyContent = 'flex-start';
        marginRight = xOffset;
      }
    } else if (xPosition === 'left' || xPosition === 'start') {
      justifyContent = 'flex-start';
      marginLeft = xOffset;
    } else if (xPosition === 'right' || xPosition === 'end') {
      justifyContent = 'flex-end';
      marginRight = xOffset;
    }
    styles.position = this._cssPosition;
    styles.marginLeft = shouldBeFlushHorizontally ? '0' : marginLeft;
    styles.marginTop = shouldBeFlushVertically ? '0' : this._topOffset;
    styles.marginBottom = this._bottomOffset;
    styles.marginRight = shouldBeFlushHorizontally ? '0' : marginRight;
    parentStyles.justifyContent = justifyContent;
    parentStyles.alignItems = shouldBeFlushVertically ? 'flex-start' : this._alignItems;
  }
  dispose() {
    if (this._isDisposed || !this._overlayRef) {
      return;
    }
    const styles = this._overlayRef.overlayElement.style;
    const parent = this._overlayRef.hostElement;
    const parentStyles = parent.style;
    parent.classList.remove(wrapperClass);
    parentStyles.justifyContent = parentStyles.alignItems = styles.marginTop = styles.marginBottom = styles.marginLeft = styles.marginRight = styles.position = '';
    this._overlayRef = null;
    this._isDisposed = true;
  }
}

class OverlayPositionBuilder {
  _injector = inject(Injector);
  global() {
    return createGlobalPositionStrategy();
  }
  flexibleConnectedTo(origin) {
    return createFlexibleConnectedPositionStrategy(this._injector, origin);
  }
  static ɵfac = i0.ɵɵngDeclareFactory({
    minVersion: "12.0.0",
    version: "22.1.3",
    ngImport: i0,
    type: OverlayPositionBuilder,
    deps: [],
    target: i0.ɵɵFactoryTarget.Service
  });
  static ɵprov = i0.ɵɵngDeclareService({
    minVersion: "22.0.0",
    version: "22.1.3",
    ngImport: i0,
    type: OverlayPositionBuilder
  });
}
i0.ɵɵngDeclareClassMetadata({
  minVersion: "12.0.0",
  version: "22.1.3",
  ngImport: i0,
  type: OverlayPositionBuilder,
  decorators: [{
    type: Service
  }]
});

const OVERLAY_DEFAULT_CONFIG = new InjectionToken('OVERLAY_DEFAULT_CONFIG');
function createOverlayRef(injector, config) {
  injector.get(_CdkPrivateStyleLoader).load(_CdkOverlayStyleLoader);
  const overlayContainer = injector.get(OverlayContainer);
  const doc = injector.get(DOCUMENT);
  const idGenerator = injector.get(_IdGenerator);
  const appRef = injector.get(ApplicationRef);
  const directionality = injector.get(Directionality);
  const renderer = injector.get(Renderer2, null, {
    optional: true
  }) || injector.get(RendererFactory2).createRenderer(null, null);
  const overlayConfig = new OverlayConfig(config);
  const defaultUsePopover = injector.get(OVERLAY_DEFAULT_CONFIG, null, {
    optional: true
  })?.usePopover ?? true;
  overlayConfig.direction = overlayConfig.direction || directionality.value;
  if (!doc.body || !('showPopover' in doc.body)) {
    overlayConfig.usePopover = false;
  } else {
    overlayConfig.usePopover = config?.usePopover ?? defaultUsePopover;
  }
  const pane = doc.createElement('div');
  const host = doc.createElement('div');
  pane.id = idGenerator.getId('cdk-overlay-');
  pane.classList.add('cdk-overlay-pane');
  host.appendChild(pane);
  if (overlayConfig.usePopover) {
    host.setAttribute('popover', 'manual');
    host.classList.add('cdk-overlay-popover');
  }
  const customInsertionPoint = overlayConfig.usePopover ? overlayConfig.positionStrategy?.getPopoverInsertionPoint?.() : null;
  if (isElement(customInsertionPoint)) {
    customInsertionPoint.after(host);
  } else if (customInsertionPoint?.type === 'parent') {
    customInsertionPoint.element.appendChild(host);
  } else {
    overlayContainer.getContainerElement().appendChild(host);
  }
  return new OverlayRef(new DomPortalOutlet(pane, appRef, injector), host, pane, overlayConfig, injector.get(NgZone), injector.get(OverlayKeyboardDispatcher), doc, injector.get(Location), injector.get(OverlayOutsideClickDispatcher), config?.disableAnimations ?? injector.get(ANIMATION_MODULE_TYPE, null, {
    optional: true
  }) === 'NoopAnimations', injector.get(EnvironmentInjector), renderer);
}
class Overlay {
  scrollStrategies = inject(ScrollStrategyOptions);
  _positionBuilder = inject(OverlayPositionBuilder);
  _injector = inject(Injector);
  create(config) {
    return createOverlayRef(this._injector, config);
  }
  position() {
    return this._positionBuilder;
  }
  static ɵfac = i0.ɵɵngDeclareFactory({
    minVersion: "12.0.0",
    version: "22.1.3",
    ngImport: i0,
    type: Overlay,
    deps: [],
    target: i0.ɵɵFactoryTarget.Service
  });
  static ɵprov = i0.ɵɵngDeclareService({
    minVersion: "22.0.0",
    version: "22.1.3",
    ngImport: i0,
    type: Overlay
  });
}
i0.ɵɵngDeclareClassMetadata({
  minVersion: "12.0.0",
  version: "22.1.3",
  ngImport: i0,
  type: Overlay,
  decorators: [{
    type: Service
  }]
});

const defaultPositionList = [{
  originX: 'start',
  originY: 'bottom',
  overlayX: 'start',
  overlayY: 'top'
}, {
  originX: 'start',
  originY: 'top',
  overlayX: 'start',
  overlayY: 'bottom'
}, {
  originX: 'end',
  originY: 'top',
  overlayX: 'end',
  overlayY: 'bottom'
}, {
  originX: 'end',
  originY: 'bottom',
  overlayX: 'end',
  overlayY: 'top'
}];
const CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY = new InjectionToken('cdk-connected-overlay-scroll-strategy', {
  providedIn: 'root',
  factory: () => {
    const injector = inject(Injector);
    return () => createRepositionScrollStrategy(injector);
  }
});
class CdkOverlayOrigin {
  elementRef = inject(ElementRef);
  static ɵfac = i0.ɵɵngDeclareFactory({
    minVersion: "12.0.0",
    version: "22.1.3",
    ngImport: i0,
    type: CdkOverlayOrigin,
    deps: [],
    target: i0.ɵɵFactoryTarget.Directive
  });
  static ɵdir = i0.ɵɵngDeclareDirective({
    minVersion: "14.0.0",
    version: "22.1.3",
    type: CdkOverlayOrigin,
    isStandalone: true,
    selector: "[cdk-overlay-origin], [overlay-origin], [cdkOverlayOrigin]",
    exportAs: ["cdkOverlayOrigin"],
    ngImport: i0
  });
}
i0.ɵɵngDeclareClassMetadata({
  minVersion: "12.0.0",
  version: "22.1.3",
  ngImport: i0,
  type: CdkOverlayOrigin,
  decorators: [{
    type: Directive,
    args: [{
      selector: '[cdk-overlay-origin], [overlay-origin], [cdkOverlayOrigin]',
      exportAs: 'cdkOverlayOrigin'
    }]
  }]
});
const CDK_CONNECTED_OVERLAY_DEFAULT_CONFIG = new InjectionToken('cdk-connected-overlay-default-config');
class CdkConnectedOverlay {
  _dir = inject(Directionality, {
    optional: true
  });
  _injector = inject(Injector);
  _overlayRef;
  _templatePortal;
  _backdropSubscription = Subscription.EMPTY;
  _attachSubscription = Subscription.EMPTY;
  _detachSubscription = Subscription.EMPTY;
  _positionSubscription = Subscription.EMPTY;
  _offsetX;
  _offsetY;
  _position;
  _scrollStrategyFactory = inject(CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY);
  _ngZone = inject(NgZone);
  origin;
  positions;
  positionStrategy;
  get offsetX() {
    return this._offsetX;
  }
  set offsetX(offsetX) {
    this._offsetX = offsetX;
    if (this._position) {
      this._updatePositionStrategy(this._position);
    }
  }
  get offsetY() {
    return this._offsetY;
  }
  set offsetY(offsetY) {
    this._offsetY = offsetY;
    if (this._position) {
      this._updatePositionStrategy(this._position);
    }
  }
  width;
  height;
  minWidth;
  minHeight;
  backdropClass;
  panelClass;
  viewportMargin = 0;
  scrollStrategy;
  open = false;
  disableClose = false;
  transformOriginSelector;
  hasBackdrop = false;
  lockPosition = false;
  flexibleDimensions = false;
  growAfterOpen = false;
  push = false;
  disposeOnNavigation = false;
  usePopover;
  matchWidth = false;
  set _config(value) {
    if (typeof value !== 'string') {
      this._assignConfig(value);
    }
  }
  backdropClick = new EventEmitter();
  positionChange = new EventEmitter();
  attach = new EventEmitter();
  detach = new EventEmitter();
  overlayKeydown = new EventEmitter();
  overlayOutsideClick = new EventEmitter();
  constructor() {
    const templateRef = inject(TemplateRef);
    const viewContainerRef = inject(ViewContainerRef);
    const defaultConfig = inject(CDK_CONNECTED_OVERLAY_DEFAULT_CONFIG, {
      optional: true
    });
    const globalConfig = inject(OVERLAY_DEFAULT_CONFIG, {
      optional: true
    });
    this.usePopover = globalConfig?.usePopover === false ? null : 'global';
    this._templatePortal = new TemplatePortal(templateRef, viewContainerRef);
    this.scrollStrategy = this._scrollStrategyFactory();
    if (defaultConfig) {
      this._assignConfig(defaultConfig);
    }
  }
  get overlayRef() {
    return this._overlayRef;
  }
  get dir() {
    return this._dir ? this._dir.value : 'ltr';
  }
  ngOnDestroy() {
    this._attachSubscription.unsubscribe();
    this._detachSubscription.unsubscribe();
    this._backdropSubscription.unsubscribe();
    this._positionSubscription.unsubscribe();
    this._overlayRef?.dispose();
  }
  ngOnChanges(changes) {
    if (this._position) {
      this._updatePositionStrategy(this._position);
      this._overlayRef?.updateSize({
        width: this._getWidth(),
        minWidth: this.minWidth,
        height: this.height,
        minHeight: this.minHeight
      });
      if (changes['origin'] && this.open) {
        this._position.apply();
      }
    }
    if (changes['open']) {
      this.open ? this.attachOverlay() : this.detachOverlay();
    }
  }
  _createOverlay() {
    if (!this.positions || !this.positions.length) {
      this.positions = defaultPositionList;
    }
    const overlayRef = this._overlayRef = createOverlayRef(this._injector, this._buildConfig());
    this._attachSubscription = overlayRef.attachments().subscribe(() => this.attach.emit());
    this._detachSubscription = overlayRef.detachments().subscribe(() => this.detach.emit());
    overlayRef.keydownEvents().subscribe(event => {
      this.overlayKeydown.next(event);
      if (event.keyCode === ESCAPE && !this.disableClose && !hasModifierKey(event)) {
        event.preventDefault();
        this.detachOverlay();
      }
    });
    this._overlayRef.outsidePointerEvents().subscribe(event => {
      const origin = this._getOriginElement();
      const target = _getEventTarget(event);
      if (!origin || origin !== target && !origin.contains(target)) {
        this.overlayOutsideClick.next(event);
      }
    });
  }
  _buildConfig() {
    const positionStrategy = this._position = this.positionStrategy || this._createPositionStrategy();
    const overlayConfig = new OverlayConfig({
      direction: this._dir || 'ltr',
      positionStrategy,
      scrollStrategy: this.scrollStrategy,
      hasBackdrop: this.hasBackdrop,
      disposeOnNavigation: this.disposeOnNavigation,
      usePopover: !!this.usePopover
    });
    if (this.height || this.height === 0) {
      overlayConfig.height = this.height;
    }
    if (this.minWidth || this.minWidth === 0) {
      overlayConfig.minWidth = this.minWidth;
    }
    if (this.minHeight || this.minHeight === 0) {
      overlayConfig.minHeight = this.minHeight;
    }
    if (this.backdropClass) {
      overlayConfig.backdropClass = this.backdropClass;
    }
    if (this.panelClass) {
      overlayConfig.panelClass = this.panelClass;
    }
    return overlayConfig;
  }
  _updatePositionStrategy(positionStrategy) {
    const positions = this.positions.map(currentPosition => ({
      originX: currentPosition.originX,
      originY: currentPosition.originY,
      overlayX: currentPosition.overlayX,
      overlayY: currentPosition.overlayY,
      offsetX: currentPosition.offsetX || this.offsetX,
      offsetY: currentPosition.offsetY || this.offsetY,
      panelClass: currentPosition.panelClass || undefined
    }));
    return positionStrategy.setOrigin(this._getOrigin()).withPositions(positions).withFlexibleDimensions(this.flexibleDimensions).withPush(this.push).withGrowAfterOpen(this.growAfterOpen).withViewportMargin(this.viewportMargin).withLockedPosition(this.lockPosition).withTransformOriginOn(this.transformOriginSelector).withPopoverLocation(this.usePopover === null ? 'global' : this.usePopover);
  }
  _createPositionStrategy() {
    const strategy = createFlexibleConnectedPositionStrategy(this._injector, this._getOrigin());
    this._updatePositionStrategy(strategy);
    return strategy;
  }
  _getOrigin() {
    if (this.origin instanceof CdkOverlayOrigin) {
      return this.origin.elementRef;
    } else {
      return this.origin;
    }
  }
  _getOriginElement() {
    if (this.origin instanceof CdkOverlayOrigin) {
      return this.origin.elementRef.nativeElement;
    }
    if (this.origin instanceof ElementRef) {
      return this.origin.nativeElement;
    }
    if (typeof Element !== 'undefined' && this.origin instanceof Element) {
      return this.origin;
    }
    return null;
  }
  _getWidth() {
    if (this.width) {
      return this.width;
    }
    return this.matchWidth ? this._getOriginElement()?.getBoundingClientRect?.().width : undefined;
  }
  attachOverlay() {
    if (!this._overlayRef) {
      this._createOverlay();
    }
    const ref = this._overlayRef;
    ref.getConfig().hasBackdrop = this.hasBackdrop;
    ref.updateSize({
      width: this._getWidth()
    });
    if (!ref.hasAttached()) {
      ref.attach(this._templatePortal);
    }
    if (this.hasBackdrop) {
      this._backdropSubscription = ref.backdropClick().subscribe(event => this.backdropClick.emit(event));
    } else {
      this._backdropSubscription.unsubscribe();
    }
    this._positionSubscription.unsubscribe();
    if (this.positionChange.observers.length > 0) {
      this._positionSubscription = this._position.positionChanges.pipe(takeWhile(() => this.positionChange.observers.length > 0)).subscribe(position => {
        this._ngZone.run(() => this.positionChange.emit(position));
        if (this.positionChange.observers.length === 0) {
          this._positionSubscription.unsubscribe();
        }
      });
    }
    this.open = true;
  }
  detachOverlay() {
    this._overlayRef?.detach();
    this._backdropSubscription.unsubscribe();
    this._positionSubscription.unsubscribe();
    this.open = false;
  }
  _assignConfig(config) {
    this.origin = config.origin ?? this.origin;
    this.positions = config.positions ?? this.positions;
    this.positionStrategy = config.positionStrategy ?? this.positionStrategy;
    this.offsetX = config.offsetX ?? this.offsetX;
    this.offsetY = config.offsetY ?? this.offsetY;
    this.width = config.width ?? this.width;
    this.height = config.height ?? this.height;
    this.minWidth = config.minWidth ?? this.minWidth;
    this.minHeight = config.minHeight ?? this.minHeight;
    this.backdropClass = config.backdropClass ?? this.backdropClass;
    this.panelClass = config.panelClass ?? this.panelClass;
    this.viewportMargin = config.viewportMargin ?? this.viewportMargin;
    this.scrollStrategy = config.scrollStrategy ?? this.scrollStrategy;
    this.disableClose = config.disableClose ?? this.disableClose;
    this.transformOriginSelector = config.transformOriginSelector ?? this.transformOriginSelector;
    this.hasBackdrop = config.hasBackdrop ?? this.hasBackdrop;
    this.lockPosition = config.lockPosition ?? this.lockPosition;
    this.flexibleDimensions = config.flexibleDimensions ?? this.flexibleDimensions;
    this.growAfterOpen = config.growAfterOpen ?? this.growAfterOpen;
    this.push = config.push ?? this.push;
    this.disposeOnNavigation = config.disposeOnNavigation ?? this.disposeOnNavigation;
    this.usePopover = config.usePopover ?? this.usePopover;
    this.matchWidth = config.matchWidth ?? this.matchWidth;
  }
  static ɵfac = i0.ɵɵngDeclareFactory({
    minVersion: "12.0.0",
    version: "22.1.3",
    ngImport: i0,
    type: CdkConnectedOverlay,
    deps: [],
    target: i0.ɵɵFactoryTarget.Directive
  });
  static ɵdir = i0.ɵɵngDeclareDirective({
    minVersion: "16.1.0",
    version: "22.1.3",
    type: CdkConnectedOverlay,
    isStandalone: true,
    selector: "[cdk-connected-overlay], [connected-overlay], [cdkConnectedOverlay]",
    inputs: {
      origin: ["cdkConnectedOverlayOrigin", "origin"],
      positions: ["cdkConnectedOverlayPositions", "positions"],
      positionStrategy: ["cdkConnectedOverlayPositionStrategy", "positionStrategy"],
      offsetX: ["cdkConnectedOverlayOffsetX", "offsetX"],
      offsetY: ["cdkConnectedOverlayOffsetY", "offsetY"],
      width: ["cdkConnectedOverlayWidth", "width"],
      height: ["cdkConnectedOverlayHeight", "height"],
      minWidth: ["cdkConnectedOverlayMinWidth", "minWidth"],
      minHeight: ["cdkConnectedOverlayMinHeight", "minHeight"],
      backdropClass: ["cdkConnectedOverlayBackdropClass", "backdropClass"],
      panelClass: ["cdkConnectedOverlayPanelClass", "panelClass"],
      viewportMargin: ["cdkConnectedOverlayViewportMargin", "viewportMargin"],
      scrollStrategy: ["cdkConnectedOverlayScrollStrategy", "scrollStrategy"],
      open: ["cdkConnectedOverlayOpen", "open"],
      disableClose: ["cdkConnectedOverlayDisableClose", "disableClose"],
      transformOriginSelector: ["cdkConnectedOverlayTransformOriginOn", "transformOriginSelector"],
      hasBackdrop: ["cdkConnectedOverlayHasBackdrop", "hasBackdrop", booleanAttribute],
      lockPosition: ["cdkConnectedOverlayLockPosition", "lockPosition", booleanAttribute],
      flexibleDimensions: ["cdkConnectedOverlayFlexibleDimensions", "flexibleDimensions", booleanAttribute],
      growAfterOpen: ["cdkConnectedOverlayGrowAfterOpen", "growAfterOpen", booleanAttribute],
      push: ["cdkConnectedOverlayPush", "push", booleanAttribute],
      disposeOnNavigation: ["cdkConnectedOverlayDisposeOnNavigation", "disposeOnNavigation", booleanAttribute],
      usePopover: ["cdkConnectedOverlayUsePopover", "usePopover"],
      matchWidth: ["cdkConnectedOverlayMatchWidth", "matchWidth", booleanAttribute],
      _config: ["cdkConnectedOverlay", "_config"]
    },
    outputs: {
      backdropClick: "backdropClick",
      positionChange: "positionChange",
      attach: "attach",
      detach: "detach",
      overlayKeydown: "overlayKeydown",
      overlayOutsideClick: "overlayOutsideClick"
    },
    exportAs: ["cdkConnectedOverlay"],
    usesOnChanges: true,
    ngImport: i0
  });
}
i0.ɵɵngDeclareClassMetadata({
  minVersion: "12.0.0",
  version: "22.1.3",
  ngImport: i0,
  type: CdkConnectedOverlay,
  decorators: [{
    type: Directive,
    args: [{
      selector: '[cdk-connected-overlay], [connected-overlay], [cdkConnectedOverlay]',
      exportAs: 'cdkConnectedOverlay'
    }]
  }],
  ctorParameters: () => [],
  propDecorators: {
    origin: [{
      type: Input,
      args: ['cdkConnectedOverlayOrigin']
    }],
    positions: [{
      type: Input,
      args: ['cdkConnectedOverlayPositions']
    }],
    positionStrategy: [{
      type: Input,
      args: ['cdkConnectedOverlayPositionStrategy']
    }],
    offsetX: [{
      type: Input,
      args: ['cdkConnectedOverlayOffsetX']
    }],
    offsetY: [{
      type: Input,
      args: ['cdkConnectedOverlayOffsetY']
    }],
    width: [{
      type: Input,
      args: ['cdkConnectedOverlayWidth']
    }],
    height: [{
      type: Input,
      args: ['cdkConnectedOverlayHeight']
    }],
    minWidth: [{
      type: Input,
      args: ['cdkConnectedOverlayMinWidth']
    }],
    minHeight: [{
      type: Input,
      args: ['cdkConnectedOverlayMinHeight']
    }],
    backdropClass: [{
      type: Input,
      args: ['cdkConnectedOverlayBackdropClass']
    }],
    panelClass: [{
      type: Input,
      args: ['cdkConnectedOverlayPanelClass']
    }],
    viewportMargin: [{
      type: Input,
      args: ['cdkConnectedOverlayViewportMargin']
    }],
    scrollStrategy: [{
      type: Input,
      args: ['cdkConnectedOverlayScrollStrategy']
    }],
    open: [{
      type: Input,
      args: ['cdkConnectedOverlayOpen']
    }],
    disableClose: [{
      type: Input,
      args: ['cdkConnectedOverlayDisableClose']
    }],
    transformOriginSelector: [{
      type: Input,
      args: ['cdkConnectedOverlayTransformOriginOn']
    }],
    hasBackdrop: [{
      type: Input,
      args: [{
        alias: 'cdkConnectedOverlayHasBackdrop',
        transform: booleanAttribute
      }]
    }],
    lockPosition: [{
      type: Input,
      args: [{
        alias: 'cdkConnectedOverlayLockPosition',
        transform: booleanAttribute
      }]
    }],
    flexibleDimensions: [{
      type: Input,
      args: [{
        alias: 'cdkConnectedOverlayFlexibleDimensions',
        transform: booleanAttribute
      }]
    }],
    growAfterOpen: [{
      type: Input,
      args: [{
        alias: 'cdkConnectedOverlayGrowAfterOpen',
        transform: booleanAttribute
      }]
    }],
    push: [{
      type: Input,
      args: [{
        alias: 'cdkConnectedOverlayPush',
        transform: booleanAttribute
      }]
    }],
    disposeOnNavigation: [{
      type: Input,
      args: [{
        alias: 'cdkConnectedOverlayDisposeOnNavigation',
        transform: booleanAttribute
      }]
    }],
    usePopover: [{
      type: Input,
      args: [{
        alias: 'cdkConnectedOverlayUsePopover'
      }]
    }],
    matchWidth: [{
      type: Input,
      args: [{
        alias: 'cdkConnectedOverlayMatchWidth',
        transform: booleanAttribute
      }]
    }],
    _config: [{
      type: Input,
      args: ['cdkConnectedOverlay']
    }],
    backdropClick: [{
      type: Output
    }],
    positionChange: [{
      type: Output
    }],
    attach: [{
      type: Output
    }],
    detach: [{
      type: Output
    }],
    overlayKeydown: [{
      type: Output
    }],
    overlayOutsideClick: [{
      type: Output
    }]
  }
});

class OverlayModule {
  static ɵfac = i0.ɵɵngDeclareFactory({
    minVersion: "12.0.0",
    version: "22.1.3",
    ngImport: i0,
    type: OverlayModule,
    deps: [],
    target: i0.ɵɵFactoryTarget.NgModule
  });
  static ɵmod = i0.ɵɵngDeclareNgModule({
    minVersion: "14.0.0",
    version: "22.1.3",
    ngImport: i0,
    type: OverlayModule,
    imports: [BidiModule, PortalModule, ScrollingModule, CdkConnectedOverlay, CdkOverlayOrigin],
    exports: [CdkConnectedOverlay, CdkOverlayOrigin, ScrollingModule]
  });
  static ɵinj = i0.ɵɵngDeclareInjector({
    minVersion: "12.0.0",
    version: "22.1.3",
    ngImport: i0,
    type: OverlayModule,
    providers: [Overlay],
    imports: [BidiModule, PortalModule, ScrollingModule, ScrollingModule]
  });
}
i0.ɵɵngDeclareClassMetadata({
  minVersion: "12.0.0",
  version: "22.1.3",
  ngImport: i0,
  type: OverlayModule,
  decorators: [{
    type: NgModule,
    args: [{
      imports: [BidiModule, PortalModule, ScrollingModule, CdkConnectedOverlay, CdkOverlayOrigin],
      exports: [CdkConnectedOverlay, CdkOverlayOrigin, ScrollingModule],
      providers: [Overlay]
    }]
  }]
});

export { BlockScrollStrategy, CDK_CONNECTED_OVERLAY_DEFAULT_CONFIG, CdkConnectedOverlay, CdkOverlayOrigin, CloseScrollStrategy, ConnectedOverlayPositionChange, ConnectionPositionPair, FlexibleConnectedPositionStrategy, GlobalPositionStrategy, NoopScrollStrategy, OVERLAY_DEFAULT_CONFIG, Overlay, OverlayConfig, OverlayContainer, OverlayKeyboardDispatcher, OverlayModule, OverlayOutsideClickDispatcher, OverlayPositionBuilder, OverlayRef, RepositionScrollStrategy, STANDARD_DROPDOWN_ADJACENT_POSITIONS, STANDARD_DROPDOWN_BELOW_POSITIONS, ScrollStrategyOptions, ScrollingVisibility, createBlockScrollStrategy, createCloseScrollStrategy, createFlexibleConnectedPositionStrategy, createGlobalPositionStrategy, createNoopScrollStrategy, createOverlayRef, createRepositionScrollStrategy, validateHorizontalPosition, validateVerticalPosition };
//# sourceMappingURL=_overlay-module-chunk.mjs.map