@mixin popup() {
  // z-indexes
  $action-menu__viewport-z: 1;
  $container-z: 1;
  $main-z: 1;
  $page-menu-z: 1;
  $page-menu__viewport-z: 1;
  // main container
  // Heights slightly less than half of the correlated view height.
  $main-container__height--xlarge: 460px !default;
  $main-container__height--large: 400px !default;
  $main-container__height--medium: 340px !default;
  $main-container__height--less-than-medium: 300px !default;

  $main-container__width--xlarge: 460px !default;
  $main-container__width--large: 400px !default;
  $main-container__width--medium: 340px !default;
  $main-container__width--less-than-medium: 280px !default;

  // pointer
  $popup-pointer__width: 12 !default;
  $popup-pointer__height: 12 !default;
  $popup-pointer__scale-x: 0.75 !default;
  $popup-pointer__scale-y: 2 !default;
  $popup-pointer__scale-x--corner: 1 !default;
  $popup-pointer__scale-y--corner: 3.5 !default;
  // actions menu
  $action-menu__width--max: 50% !default;
  $action-size: $button-width--half !default;
  $action-size--image: $button-width--half !default;
  $footer-button__border-radius: 2px !default;

  .esri-ui {
    .esri-popup {
      pointer-events: none;
      position: absolute;
      z-index: $container-z;
      display: flex;
      flex-flow: column nowrap;
    }
  }
  .esri-popup--shadow {
    @include boxShadow("0 1px 4px rgba(0, 0, 0, .8)");
  }
  .esri-popup__button {
    border-radius: $border-radius;
    padding: $cap-spacing--half $side-spacing--half;
    margin: $cap-spacing--half 0;
    line-height: $line-height;
    cursor: pointer;
    user-select: none;
    color: $interactive-font-color;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    transition: background-color 125ms ease-in-out;
  }
  .esri-popup__button--disabled {
    cursor: default;
    opacity: $opacity--disabled;
    color: $interactive-font-color--disabled;
  }
  .esri-popup__button:hover {
    color: $interactive-font-color--hover;
    background-color: $background-color--hover;
  }
  .esri-popup--aligned-top-center {
    transform-origin: 50% 100%;
  }
  .esri-popup--aligned-bottom-center {
    transform-origin: 50% -5%;
  }
  .esri-popup--aligned-top-left,
  .esri-popup--aligned-bottom-left {
    transform-origin: 100% 50%;
  }
  .esri-popup--aligned-top-right,
  .esri-popup--aligned-bottom-right {
    transform-origin: -5% 50%;
  }
  .esri-popup--aligned-top-center,
  .esri-popup--aligned-top-left,
  .esri-popup--aligned-top-right {
    animation: popup-intro-animation-down 200ms ease-in-out;
  }
  .esri-popup--aligned-bottom-center,
  .esri-popup--aligned-bottom-left,
  .esri-popup--aligned-bottom-right {
    animation: popup-intro-animation-up 200ms ease-in-out;
  }
  .esri-popup__main-container {
    pointer-events: auto;
    position: relative;
    z-index: $main-z;
    width: 340px;
    max-height: $main-container__height--medium;
    background-color: $background-color;
    display: flex;
    flex-flow: column nowrap;
  }
  .esri-popup__header {
    position: relative;
    font-size: $font-size__body;
    align-items: flex-start;
    justify-content: space-between;
    display: flex;
    flex: 0 0 auto;
  }
  .esri-popup__header-buttons {
    padding: 0 $side-spacing--half;
    margin: 0 0 0 auto; // `auto` here helps place each node at either end of the container node
    display: flex;
  }
  .esri-popup__header-container {
    flex: 1;
  }
  .esri-popup__header-container--button {
    border: none;
    background: transparent;
    display: flex;
    justify-content: flex-start;
    padding: 0;
    font-size: 100%;
    font-family: inherit;
    color: inherit;
    text-align: initial;
  }
  .esri-popup__header-container--button:hover {
    background-color: $background-color--hover;
  }
  .esri-popup__header-title {
    border-radius: $border-radius;
    font-size: $font-size;
    padding: $cap-spacing--half $side-spacing--half;
    margin: $cap-spacing--half auto $cap-spacing--half $side-spacing--half;
    display: block;
    transition: background-color 125ms ease-in-out;
    @include wordbreak();
  }
  .esri-popup__content {
    display: flex;
    flex-flow: column nowrap;
    flex: 1 1 auto;
    font-size: $font-size__body;
    font-weight: $font-weight;
    margin: 0 $side-spacing $cap-spacing;
    overflow: auto;
    line-height: normal;
  }
  .esri-popup__content img {
    image-orientation: from-image;
  }
  .esri-popup__feature-menu-button {
    transition: box-shadow 125ms ease-in-out, background-color 125ms ease-in-out;
    &:hover,
    &:focus {
      background-color: $background-color--hover;
    }
  }
  .esri-popup--feature-menu-open .esri-popup__feature-menu-button {
    background-color: $background-color--hover;
    color: $interactive-font-color--hover;
  }
  .esri-popup--feature-menu-open .esri-popup__header,
  .esri-popup--feature-menu-open .esri-popup__content {
    flex: 0 1 0px;
    overflow: hidden;
    opacity: 0;
  }
  .esri-popup--feature-updated {
    opacity: 0;
    transition: opacity 375ms ease-out;
  }
  .esri-popup--feature-updated-active {
    opacity: 1;
  }
  .esri-popup__pagination-page-text {
    white-space: nowrap;
  }
  .esri-popup__footer {
    align-items: center;
    display: flex;
    flex: 0 0 auto;
    justify-content: space-between;
    padding: $cap-spacing--half 0;
  }
  .esri-popup__footer .esri-popup__button {
    font-weight: $font-weight;
    font-size: $font-size--small;
    position: relative;
    display: flex;
    justify-content: flex-start;
    flex: 0 0 auto;
  }
  /* ACTIONS MENU */
  .esri-popup__actions {
    animation: esri-fade-in-scale 125ms ease-in-out;
    background: $background-color;
    @include defaultBoxShadow();
    color: $interactive-font-color;
    display: flex;
    flex-flow: column;
    margin: $cap-spacing--half $side-spacing--half;
    max-width: $action-menu__width--max;
    padding: 0;
    position: absolute;
    right: 0;
    z-index: $action-menu__viewport-z;
    .esri-popup__button[class*="esri-popup__action"] {
      align-items: center;
      border-bottom: 1px solid $border_color;
      color: $interactive-font-color;
      display: flex;
      justify-content: flex-start;
      padding: $cap-spacing $side-spacing--half;
      margin-top: 0;
      margin-bottom: 0;
      font-size: $font-size--small;
      &:hover {
        background-color: $background-color--hover;
      }
      &:last-child {
        border-bottom: none;
      }
      .esri-popup__icon {
        flex: 0 0 $action-size--image;
      }
    }
  }
  .esri-popup__footer .esri-popup__actions-menu-button {
    padding-left: $side-spacing--half;
    padding-right: $side-spacing--half;
    margin: 0 $side-spacing--half;
    transition: box-shadow 125ms ease-in-out;
    &:hover {
      background-color: $background-color--hover;
    }
  }
  .esri-popup--actions-menu-open .esri-popup__footer .esri-popup__actions-menu-button {
    background-color: $background-color--offset;
    color: $interactive-font-color--hover;
  }
  [class*="esri-popup--is-docked-bottom-"].esri-popup--is-docked .esri-popup__actions,
  [class*="esri-popup--aligned-top-"] .esri-popup__actions {
    bottom: $button_height;
    top: auto;
    transform-origin: bottom center;
  }
  [class*="esri-popup--is-docked-top-"].esri-popup--is-docked .esri-popup__actions,
  [class*="esri-popup--aligned-bottom-"] .esri-popup__actions {
    bottom: auto;
    top: $button_height;
    transform-origin: top center;
  }

  .esri-popup__icon {
    width: $action-size;
    height: $action-size;
    display: inline-block;
    flex: 0 0 $action-size--image;
  }
  [class*="esri-popup--is-docked-top-"] .esri-popup__footer,
  [class*="esri-popup--aligned-bottom-"] .esri-popup__footer {
    border-bottom: solid 1px $border_color;
  }
  [class*="esri-popup--is-docked-bottom-"] .esri-popup__content ~ .esri-popup__footer,
  [class*="esri-popup--aligned-top-"] .esri-popup__content ~ .esri-popup__footer {
    // esri-popup__footer is on the bottom of the popup
    margin-top: -$cap-spacing;
  }
  .esri-popup__navigation {
    background-color: $background-color--offset;
    position: relative;
    display: flex;
    align-items: center;
    margin: 0 $side-spacing 0 auto;
    padding: 0;
    justify-content: center;
    .esri-popup__button {
      margin: 0;
      padding-left: $side-spacing--quarter;
      padding-right: $side-spacing--quarter;
    }
  }
  .esri-popup__inline-actions-container {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    width: 100%;
    margin: 0 $side-spacing--half;
    position: relative;
    &:only-child {
      width: 100%;
      max-width: unset;
      justify-content: flex-start;
      .esri-popup__actions-menu-button {
        margin-left: auto;
      }
    }
    > .esri-popup__action,
    > .esri-popup__action-toggle {
      flex: 0 1 auto;
    }
    .esri-popup__icon,
    [class*="esri-icon"] {
      margin: 0 $side-spacing--quarter;
    }
  }
  .esri-popup__footer--has-pagination .esri-popup__inline-actions-container {
    width: 70%;
  }

  .esri-popup__action-toggle.esri-popup__action-toggle--on {
    background-color: $background-color--active;
    color: $interactive-font-color--hover;
    &:hover {
      background-color: $background-color--active;
      color: $interactive-font-color--hover;
    }
  } ///////////////
  // FEATURE MENU
  .esri-popup__feature-menu {
    left: 0;
    font-size: $font-size__body;
    font-weight: $font-weight;
    position: absolute;
    width: 100%;
    background-color: $background-color;
    color: $font-color;
    z-index: $page-menu-z;
    margin: $cap-spacing--half 0;
    max-height: 0;
    opacity: 0;
    height: 0;
    overflow: hidden;
    @include defaultBoxShadow();
  }
  [class*="esri-popup--is-docked-bottom-"].esri-popup--is-docked .esri-popup__feature-menu,
  [class*="esri-popup--aligned-top-"] .esri-popup__feature-menu {
    bottom: $button_height;
    top: auto;
    transform-origin: bottom center;
  }
  [class*="esri-popup--is-docked-top-"].esri-popup--is-docked .esri-popup__feature-menu,
  [class*="esri-popup--aligned-bottom-"] .esri-popup__feature-menu {
    bottom: auto;
    top: $button_height;
    transform-origin: top center;
  }

  .esri-popup__feature-menu-list {
    padding: 0;
    margin: 0;
    counter-reset: section;
  }
  .esri-popup__feature-menu-item {
    list-style-type: none;
    border: solid 1px $border-color;
    display: flex;
    flex-flow: row nowrap;
    align-items: center;
    transition: background-color 125ms ease-in-out;
    margin-top: -1px;
    position: relative;
  }
  .esri-popup__feature-menu-item:hover,
  .esri-popup__feature-menu-item:focus {
    cursor: pointer;
    background-color: $background-color--hover;
  }
  .esri-popup__feature-menu-item::before {
    counter-increment: section;
    content: counter(section);
    display: flex;
    justify-content: center;
    flex: 0 0 8%;
    text-align: center;
  }
  .esri-popup__feature-menu-item--selected,
  .esri-popup__feature-menu-item--selected:hover,
  .esri-popup__feature-menu-item--selected:focus {
    background-color: $background-color--active;
  }
  .esri-popup__feature-menu-item .esri-icon-check-mark {
    padding: 0 0.5rem;
  }
  .esri-popup__feature-menu-title {
    display: flex;
    flex: 1 0 82%;
    min-height: 1em;
    margin: 0;
    padding: 0.8em 4%;
    border-left: solid 1px rgba(0, 0, 0, 0.25);
  }
  .esri-popup__feature-menu-viewport {
    max-height: 0px;
    opacity: 0;
    overflow: auto;
    position: relative;
    z-index: $page-menu__viewport-z;
  }
  .esri-popup__feature-menu-header {
    background-color: transparent;
    border-bottom: solid 1px $border-color;
    padding: 0;
    margin: 0;
    font-weight: $font-weight;
    font-size: $font-size;
    line-height: 1.2em;
    overflow: hidden;
    position: relative;
    opacity: 0;
  }
  .esri-popup--feature-menu-open .esri-popup__feature-menu {
    height: auto;
    opacity: 1;
    animation: esri-fade-in-scale 125ms ease-out;
    max-height: none;
    overflow: visible;
  }
  .esri-popup--feature-menu-open .esri-popup__feature-menu-header {
    padding: $cap-spacing $side-spacing;
    max-height: none;
    display: block;
    opacity: 1;
    margin: 0;
  }
  .esri-popup--feature-menu-open .esri-popup__feature-menu-viewport {
    max-height: 175px;
    opacity: 1;
    padding-top: 1px;
  }
  .esri-popup__feature-menu-loader {
    position: sticky;
    z-index: 2;
    padding: 6px;
    bottom: 10px;
    text-align: center;
    pointer-events: none;
  }
  .esri-popup__feature-menu-observer {
    position: relative;
    z-index: 2;
    bottom: 20px;
    text-align: center;
  }
  .esri-popup__loading-container {
    margin: 0 $side-spacing--half;
    text-align: center;
    user-select: none;
  }
  .esri-popup__action-image {
    width: $action-size--image;
    height: $action-size--image;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: 50% 50%;
    flex: 0 0 $action-size--image;
  }
  .esri-popup__action-text {
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .esri-popup__collapse-button {
    align-items: center;
    background-color: $background-color--offset;
    cursor: pointer;
    display: flex;
    flex: 1 0;
    justify-content: center;
    padding: $cap-spacing--half 0;
  } ///////////////
  // POINTER
  $half_pointer_width: ($popup-pointer__width / 2) + px;
  $half_pointer_height: ($popup-pointer__height / 2) + px;
  $neg_half_pointer_width: (-($popup-pointer__width / 2)) + px;
  $neg_half_pointer_height: (-($popup-pointer__height / 2)) + px;
  .esri-popup__pointer {
    position: absolute;
    width: 0;
    height: 0;
  }
  .esri-popup__pointer-direction {
    background-color: $background-color;
    @include pointerStyle($popup-pointer__width, $popup-pointer__height);
  }
  .esri-popup--aligned-top-center .esri-popup__pointer {
    top: 100%;
    left: 50%;
    margin: 0 0 0 $neg_half_pointer_width;
  }
  .esri-popup--aligned-bottom-center .esri-popup__pointer {
    bottom: 100%;
    left: 50%;
    margin: 0 0 0 $neg_half_pointer_width;
  }
  .esri-popup--aligned-top-left .esri-popup__pointer {
    bottom: $half_pointer_height;
    right: $half_pointer_width;
    transform: rotate(-45deg);
  }
  .esri-popup--aligned-bottom-left .esri-popup__pointer {
    top: $half_pointer_height;
    right: $half_pointer_width;
    transform: rotate(45deg);
  }
  .esri-popup--aligned-top-right .esri-popup__pointer {
    bottom: $half_pointer_height;
    left: $half_pointer_width;
    transform: rotate(45deg);
  }
  .esri-popup--aligned-bottom-right .esri-popup__pointer {
    top: $half_pointer_height;
    left: $half_pointer_width;
    transform: rotate(-45deg);
  }
  .esri-popup--aligned-top-center .esri-popup__pointer-direction,
  .esri-popup--aligned-bottom-center .esri-popup__pointer-direction {
    transform: scale($popup-pointer__scale-x, $popup-pointer__scale-y) rotate(45deg);
  }
  .esri-popup--aligned-top-left .esri-popup__pointer-direction,
  .esri-popup--aligned-bottom-left .esri-popup__pointer-direction,
  .esri-popup--aligned-top-right .esri-popup__pointer-direction,
  .esri-popup--aligned-bottom-right .esri-popup__pointer-direction {
    top: $neg_half_pointer_height;
    left: $neg_half_pointer_width;
    transform: scale($popup-pointer__scale-x--corner, $popup-pointer__scale-y--corner) rotate(45deg);
  }
  .esri-popup--aligned-top-center .esri-popup__pointer-direction {
    top: $neg_half_pointer_height;
    left: 0;
  }
  .esri-popup--aligned-bottom-center .esri-popup__pointer-direction {
    bottom: $neg_half_pointer_height;
    left: 0;
  } ///////////////////
  //  SCREEN SIZES
  //  WIDTHS
  .esri-view-width-xlarge {
    .esri-popup__main-container {
      width: $main-container__width--xlarge;
    }
  }
  .esri-view-width-large {
    .esri-popup__main-container {
      width: $main-container__width--large;
    }
  }
  .esri-view-width-medium {
    .esri-popup__main-container {
      width: $main-container__width--medium;
    }
  }
  .esri-view-width-less-than-medium {
    .esri-popup__main-container {
      width: $main-container__width--less-than-medium;
    }
    .esri-popup__action-text {
      display: none;
    }
  }
  .esri-view-width-xsmall .esri-popup__button[class*="esri-popup__navigation-"],
  .esri-view-width-xsmall .esri-popup__pagination-page-text {
    display: none;
  }
  .esri-view-width-xsmall .esri-popup--is-docked-bottom-center {
    margin-bottom: $docked-margin + 1;
  }
  .esri-view-width-xsmall .esri-popup--is-docked-top-center,
  .esri-view-width-xsmall .esri-popup--is-docked-bottom-center {
    width: auto;
    margin: 0;
  }
  .esri-view-width-xsmall .esri-popup--is-docked-top-center,
  .esri-view-width-xsmall .esri-popup--is-docked-bottom-center {
    .esri-popup__main-container {
      width: 100%;
      max-height: 75%;
      padding: $cap-spacing--third 0;
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;

      &.esri-popup--is-collapsible:before {
        background-color: $border-color;
        border-radius: $border-radius;
        content: "";
        height: $border-radius;
        left: calc(50% - #{$button-width--half});
        position: absolute;
        top: $cap-spacing--half;
        width: $button-width;
      }
    }
    &.esri-popup--feature-menu-open {
      .esri-popup__main-container:before {
        visibility: hidden;
      }
    }
  }
  .esri-view-width-xsmall .esri-popup--is-docked-bottom-center {
    .esri-popup__feature-menu,
    .esri-popup__actions {
      bottom: $button-height + $cap-spacing--third;
    }
  } //  HEIGHTS
  .esri-view-height-xlarge {
    @include popupHeight_BasedOnViewSize($main-container__height--xlarge);
  }
  .esri-view-height-large {
    @include popupHeight_BasedOnViewSize($main-container__height--large);
  }
  .esri-view-height-less-than-medium {
    @include popupHeight_BasedOnViewSize($main-container__height--less-than-medium);
  } //  SCREEN SIZES
  ///////////////////
  ///////////////////
  // DOCKED
  .esri-popup--is-docked {
    left: 0;
    bottom: 0;
    right: 0;
    top: 0;
    margin: $docked-margin $docked-margin $docked-margin--double $docked-margin;
    animation: esri-docking-animation 250ms ease-out;
  }
  .esri-ui .esri-popup--is-docked {
    flex-flow: row nowrap;
  }
  .esri-popup--is-docked .esri-popup__header {
    padding-top: 2px;
  }
  .esri-popup--is-docked-top-left,
  .esri-popup--is-docked-top-center,
  .esri-popup--is-docked-top-right {
    align-items: flex-start;
  }
  .esri-popup--is-docked-bottom-left,
  .esri-popup--is-docked-bottom-center,
  .esri-popup--is-docked-bottom-right {
    align-items: flex-end;
  }
  .esri-popup--is-docked-top-left,
  .esri-popup--is-docked-bottom-left {
    justify-content: flex-start;
  }
  .esri-popup--is-docked-top-center,
  .esri-popup--is-docked-bottom-center {
    justify-content: center;
  }
  .esri-popup--is-docked-top-right,
  .esri-popup--is-docked-bottom-right {
    justify-content: flex-end;
  }
  .esri-popup--is-docked-top-left .esri-popup__main-container,
  .esri-popup--is-docked-top-right .esri-popup__main-container,
  .esri-popup--is-docked-bottom-left .esri-popup__main-container,
  .esri-popup--is-docked-bottom-right .esri-popup__main-container {
    max-height: 80%;
  }
  .esri-popup--is-docked-top-center .esri-popup__main-container,
  .esri-popup--is-docked-bottom-center .esri-popup__main-container {
    max-height: 40%;
  }
  //  DOCKED
  ////////////////////
  ////////////////////
  //  RTL
  html[dir="rtl"] {
    .esri-widget .esri-popup__header-title,
    .esri-popup__header-title {
      margin: $cap-spacing--half $side-spacing--half $cap-spacing--half auto;
    }
    .esri-popup__header-buttons {
      margin: 0 auto 0 0;
    }
    .esri-popup__feature-menu-title {
      border-left: none;
      border-right: solid 1px rgba(0, 0, 0, 0.25);
    }
    .esri-popup__navigation {
      margin: 0 auto 0 $side-spacing;
    }
    .esri-popup__actions {
      right: auto;
      left: 0;
    }
    .esri-popup__inline-actions-container {
      &:only-child {
        .esri-popup__actions-menu-button {
          margin-left: $side-spacing--half;
          margin-right: auto;
        }
      }
      .esri-popup__action {
        margin-right: $side-spacing--half;
        margin-left: $side-spacing;
      }
    }
    .esri-popup--is-docked .esri-popup__loading-container {
      order: 0;
    }
    .esri-popup--is-docked-top-left,
    .esri-popup--is-docked-bottom-left {
      justify-content: flex-end;
    }
    .esri-popup--is-docked-top-right,
    .esri-popup--is-docked-bottom-right {
      justify-content: flex-start;
    }
  } //  RTL
  ////////////////////
}

@keyframes esri-docking-animation {
  0% {
    opacity: 0;
  }
  25% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

@keyframes popup-intro-animation-down {
  0% {
    transform: translate(0, -5px);
    opacity: 0;
  }
  100% {
    transform: translate(0, 0);
    opacity: 1;
  }
}

@keyframes popup-intro-animation-up {
  0% {
    transform: translate(0, 5px);
    opacity: 0;
  }
  100% {
    transform: translate(0, 0);
    opacity: 1;
  }
}

@if $include_Popup==true {
  @include popup();
}
