@blurEffect: saturate(1.3) blur(5px);

@backdropColor: rgba(0, 0, 0, 0.7);

@backdropInOpacity: 1;
@backdropOutOpacity: 0;
@backdropAnimationDuration: 300ms;

@dialogInTransform: scale3d(1, 1, 1);
@dialogOutTransform: scale3d(0.8, 0.8, 0.8);
@dialogInOpacity: 1;
@dialogOutOpacity: 0;
@dialogAnimationDuration: 300ms;

@enterTimingFunction: cubic-bezier(0.4, 0, 0, 1);
@exitTimingFunction: cubic-bezier(0.76, 0.18, 0.4, 0.92);

@lightSteel15PercentOpacity: rgba(160, 180, 220, 0.15);

@keyframes backdropEnter {
  from {
    opacity: @backdropOutOpacity;
  }

  to {
    opacity: @backdropInOpacity;
  }
}

@keyframes backdropLeave {
  from {
    opacity: @backdropInOpacity;
  }

  to {
    opacity: @backdropOutOpacity;
  }
}

@keyframes dialogEnter {
  from {
    transform: @dialogOutTransform;
    opacity: @dialogOutOpacity;
  }

  to {
    transform: @dialogInTransform;
    opacity: @dialogInOpacity;
  }
}

@keyframes dialogLeave {
  from {
    transform: @dialogInTransform;
    opacity: @dialogInOpacity;
  }

  to {
    transform: @dialogOutTransform;
    opacity: @dialogOutOpacity;
  }
}

/********************************************************
  Shared set of properties for both the tinted backdrop
  and the full screen container that holds a dialog
********************************************************/
.fullscreenOverlay() {
  display: flex;
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: var(--layer-critical);
  overflow: hidden;
  overscroll-behavior: none;
}

/**********************************
  Tinted backdrop (behind dialog)
***********************************/
// Need to namespace with sp- to avoid collision with other modal styles
.sp-modal-backdrop {
  .fullscreenOverlay();
  background-color: @backdropColor;
  will-change: opacity;
}

.sp-modal-backdrop.enter {
  animation-name: backdropEnter;
  animation-duration: @backdropAnimationDuration;
  animation-timing-function: @enterTimingFunction;
}

.sp-modal-backdrop.exit {
  animation-name: backdropLeave;
  animation-duration: @backdropAnimationDuration;
  animation-timing-function: @exitTimingFunction;
}

.sp-modal-backdrop.enter-active,
.sp-modal-backdrop.enter-done {
  opacity: @backdropInOpacity;
}

.sp-modal-backdrop.exit-active,
.sp-modal-backdrop.exit-done {
  opacity: @backdropOutOpacity;
}

.sp-modal-backdrop-blur-effect {
  transition: filter @backdropAnimationDuration @enterTimingFunction;
  filter: @blurEffect;
}

/************************************************
  Modal dialog and associated layout container
************************************************/
.Modal {
  .fullscreenOverlay();
  justify-content: center;
  align-items: center;

  .sp-dialog-sizer {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
    max-height: ~'calc(100vh - 64px)';
    min-height: 320px;
    width: ~'calc(100vw - 128px)';
    margin: 0 64px;
  }

  @media screen and (max-width: 1024px) {
    .sp-dialog-sizer {
      max-height: ~'calc(100vh - 32px)';
      width: ~'calc(100vw - 48px)';
      margin: 0 24px;
    }
  }

  /* for large screens, place an eventual cap on the height of a modal */
  @media screen and (min-height: 1164px) {
    .sp-dialog-sizer {
      max-height: 1100px;
    }
  }

  .sp-dialog-content {
    display: flex;
    position: relative;
    grid-column: ~'1 / -1';
    grid-row: ~'1 / -1';
    flex-direction: column;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 19px 38px rgba(0, 0, 0, 0.3), 0 15px 12px rgba(0, 0, 0, 0.22);
    will-change: transform, opacity;
  }

  &.enter {
    .sp-dialog-content {
      animation-name: dialogEnter;
      animation-duration: @dialogAnimationDuration;
      animation-timing-function: @enterTimingFunction;
    }
  }

  &.exit {
    .sp-dialog-content {
      animation-name: dialogLeave;
      animation-duration: @dialogAnimationDuration;
      animation-timing-function: @exitTimingFunction;
    }
  }

  &.enter-active,
  &.enter-done {
    .sp-dialog-content {
      transform: @dialogInTransform;
      opacity: @dialogInOpacity;
    }
  }

  &.exit-active,
  &.exit-done {
    .sp-dialog-content {
      transform: @dialogOutTransform;
      opacity: @dialogOutOpacity;
    }
  }
}