@lion/ui/components/overlays/src/overlayShadowDomStyle.js

A package of extendable web components

import { css } from 'lit';

export const overlayShadowDomStyle = css`
  .overlays {
    position: fixed;
    z-index: 200;
  }

  .overlays__overlay-container {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
  }

  .overlays__overlay-container::backdrop {
    display: none;
  }

  .overlays__overlay-container--top-left {
    justify-content: flex-start;
    align-items: flex-start;
  }

  .overlays__overlay-container--top {
    justify-content: center;
    align-items: flex-start;
  }

  .overlays__overlay-container--top-right {
    justify-content: flex-end;
    align-items: flex-start;
  }

  .overlays__overlay-container--right {
    justify-content: flex-end;
    align-items: center;
  }

  .overlays__overlay-container--bottom-left {
    justify-content: flex-start;
    align-items: flex-end;
  }

  .overlays__overlay-container--bottom {
    justify-content: center;
    align-items: flex-end;
  }

  .overlays__overlay-container--bottom-right {
    justify-content: flex-end;
    align-items: flex-end;
  }

  .overlays__overlay-container--left {
    justify-content: flex-start;
    align-items: center;
  }

  .overlays__overlay-container--center {
    justify-content: center;
    align-items: center;
  }

  .overlays__overlay--bottom-sheet {
    width: 100%;
  }

  ::slotted(.overlays__overlay),
  .overlays__overlay {
    pointer-events: auto;
  }

  .overlays__backdrop {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-color: #333333;
    display: none;
  }

  .overlays__backdrop--visible {
    display: block;
  }

  .overlays__backdrop--animation-in {
    animation: overlays-backdrop-fade-in 300ms;
    opacity: 0.3;
  }

  .overlays__backdrop--animation-out {
    animation: overlays-backdrop-fade-out 300ms;
    opacity: 0;
  }

  @keyframes overlays-backdrop-fade-in {
    from {
      opacity: 0;
    }
  }

  @keyframes overlays-backdrop-fade-out {
    from {
      opacity: 0.3;
    }
  }

  @media screen and (prefers-reduced-motion: reduce) {
    .overlays .overlays__backdrop--animation-in {
      animation: overlays-backdrop-fade-in 1ms;
    }

    .overlays .overlays__backdrop--animation-out {
      animation: overlays-backdrop-fade-out 1ms;
    }
  }

  dialog[data-overlay-outer-wrapper] {
    background-image: none;
    border-style: none;
    padding: 0px;
  }

  /** 
   * We don't want to use pseudo el ::backdrop.  
   * We have our own, that creates more flexibility wrt scrolling etc.
   */
  dialog[data-overlay-outer-wrapper]::backdrop {
    display: none;
  }
`;