$mat-icon-font: 'Material Icons', sans-serif;

.shepherd-content,
.shepherd-arrow::before {
  @include mat-elevation-transition;
  @include mat-elevation(4);
}

.shepherd-element:hover {
  .shepherd-content,
  .shepherd-arrow::before {
    @include mat-elevation(8);
  }
}

.shepherd-arrow::after {
  content: '';
  position: absolute;
  z-index: 9999;
  box-shadow: none;
}

.shepherd-highlight {
  @include mat-elevation(1);
}

// remove arrow if shepherd centerd the tooltip
.shepherd-element.shepherd-centered {
  .shepherd-arrow {
    display: none;
  }
}

.shepherd-element[data-popper-placement^='top'] > .shepherd-arrow::after,
.shepherd-element[data-popper-placement^='bottom'] > .shepherd-arrow::after {
  width: 48px;
  height: 24px;
  left: -16px;
}

.shepherd-element[data-popper-placement^='top'] > .shepherd-arrow::after {
  bottom: 8px;
}

.shepherd-element[data-popper-placement^='bottom'] > .shepherd-arrow::after {
  top: 8px;
}

.shepherd-element[data-popper-placement^='left'] > .shepherd-arrow::after,
.shepherd-element[data-popper-placement^='right'] > .shepherd-arrow::after {
  width: 16px;
  height: 48px;
  bottom: -16px;
}

.shepherd-element[data-popper-placement^='left'] > .shepherd-arrow::after {
  right: 8px;
}

.shepherd-element[data-popper-placement^='right'] > .shepherd-arrow::after {
  left: 8px;
}

.shepherd-button {
  border: 0;
  border-radius: 3px;
  cursor: pointer;
  margin-right: 0.5rem;
  padding: 0.5rem 1.5rem;

  &.material-icons {
    font-family: $mat-icon-font;
    font-size: 24px;
    border-radius: 50%;
  }
}

.shepherd-button,
.shepherd-cancel-icon {
  transition: all 0.3s ease;
}

.shepherd-button:disabled {
  cursor: not-allowed;
}

.shepherd-header {
  align-items: center;
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
  display: flex;
  justify-content: flex-end;
  line-height: 2em;
  padding: 0.75rem 0.75rem 0 1rem;
}

.shepherd-footer {
  border-bottom-left-radius: 5px;
  border-bottom-right-radius: 5px;
  display: flex;
  justify-content: flex-end;
  padding: 0 0.75rem 0.75rem;
  flex-direction: row;
  box-sizing: border-box;
  align-items: center;
  align-content: center;
}

.shepherd-progress {
  margin-left: 8px;
  flex: 1;
  box-sizing: border-box;
}

.shepherd-footer .shepherd-button:last-child {
  margin-right: 0;
  margin-left: 8px;
}

.shepherd-cancel-icon {
  background: none;
  font-size: 1.6em;
  font-family: $mat-icon-font;
  position: relative;
  border-width: 0;
  // Work around for having material icon as close button
  // Shepherd uses a span with 'x' string as content and aria-label hidden,
  // hence, doing this won't affect accessibility.
  span {
    color: transparent;

    &::after {
      content: 'close';
      font-size: 20px;
      position: absolute;
      right: 50%;
      transform: translate(50%);
    }
  }
}

.shepherd-title {
  display: flex;
  flex: 1 0 auto;
  margin: 0;
  padding: 0;
}

.shepherd-text {
  margin: 0 8px 16px;
  padding: 0 8px;
}

.shepherd-text p {
  margin-top: 0;
}

.shepherd-text p:last-child {
  margin-bottom: 0;
}

.shepherd-content {
  border-radius: 5px;
  outline: none;
  padding: 0;
}

.shepherd-element {
  border-radius: 5px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 20%);
  max-width: 400px;
  min-width: 400px;
  min-height: 100px;
  opacity: 0;
  outline: none;
  transition: opacity 0.3s;
  z-index: 9999;
}

.shepherd-enabled.shepherd-element {
  opacity: 1;
}

.shepherd-element[data-popper-reference-hidden]:not(.shepherd-centered) {
  opacity: 0;
}

.shepherd-element,
.shepherd-element *,
.shepherd-element ::after,
.shepherd-element ::before {
  box-sizing: border-box;
}

.shepherd-arrow,
.shepherd-arrow::before {
  position: absolute;
  width: 16px;
  height: 16px;
  z-index: 9998;
}

.shepherd-arrow::before {
  content: '';
  transform: rotate(45deg);
}

.shepherd-element[data-popper-placement^='top'] > .shepherd-arrow {
  bottom: -8px;
}

.shepherd-element[data-popper-placement^='bottom'] > .shepherd-arrow {
  top: -8px;
}

.shepherd-element[data-popper-placement^='left'] > .shepherd-arrow {
  right: -8px;
}

.shepherd-element[data-popper-placement^='right'] > .shepherd-arrow {
  left: -8px;
}

.shepherd-target-click-disabled.shepherd-enabled.shepherd-target,
.shepherd-target-click-disabled.shepherd-enabled.shepherd-target * {
  pointer-events: none;
}

.shepherd-modal-overlay-container {
  filter: progid:dximagetransform.microsoft.gradient.alpha(Opacity=50);
  filter: alpha(opacity=50);
  height: 0;
  left: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  position: fixed;
  top: 0;
  transition: all 0.3s ease-out, height 0ms 0.3s, opacity 0.3s 0ms;
  width: 100vw;
  z-index: 9997;
}

.shepherd-modal-overlay-container.shepherd-modal-is-visible {
  height: 100vh;
  opacity: 0.5;
  transition: all 0.3s ease-out, height 0s 0s, opacity 0.3s 0s;
}

.shepherd-modal-overlay-container.shepherd-modal-is-visible path {
  pointer-events: all;
}