:host {
  /**
   * @prop --background: Background
   * @prop --color: Text color
   *
   * @prop --offset-top: Top offset
   * @prop --offset-bottom: Bottom offset
   *
   * @prop --padding-top: Top padding
   * @prop --padding-end: Right padding if direction is left-to-right, and left padding if direction is right-to-left
   * @prop --padding-bottom: Bottom padding
   * @prop --padding-start: Left padding if direction is left-to-right, and right padding if direction is right-to-left
   *
   * @prop --overflow: Overflow
   * @prop --scrollbar-gutter: Scrollbar gutter mode
   */
  --background: var(--background, var(--bkkr-background-color, #fff));
  --color: var(--color, var(--bkkr-text-color, #000));
  --padding-top: calc(var(--bkkr-spacer, 16px));
  --padding-end: 0;
  --padding-bottom: calc(var(--bkkr-spacer, 16px));
  --padding-start: 0;
  --offset-top: 0px;
  --offset-bottom: 0px;
  --overflow: auto;
  --scrollbar-gutter: initial;
  display: block;
  position: relative;
  flex: 1;
  order: 0;
  max-width: 100%;
  height: 100%;
  font-family: var(--bkkr-font-family);
  contain: size style;
  /* stylelint-disable */
  margin: 0 !important;
  padding: 0 !important;
  /* stylelint-enable */
}

.inner-scroll {
  left: 0px;
  right: 0;
  top: calc(var(--offset-top) * -1);
  bottom: calc(var(--offset-bottom) * -1);
  padding-left: var(--padding-start);
  padding-right: var(--padding-end);
  padding-top: calc(var(--padding-top) + var(--offset-top));
  padding-bottom: calc(var(--padding-bottom) + var(--keyboard-offset, 0px) + var(--offset-bottom));
  position: absolute;
  background-color: var(--background);
  color: var(--color);
  overflow: hidden;
  box-sizing: border-box;
  touch-action: manipulation;
}
[dir=rtl] .inner-scroll, :host-context([dir=rtl]) .inner-scroll {
  left: unset;
  right: unset;
  left: 0;
  right: 0px;
}

@supports (margin-inline-start: 0) or (-webkit-margin-start: 0) {
  .inner-scroll {
    padding-left: unset;
    padding-right: unset;
    -webkit-padding-start: var(--padding-start);
    padding-inline-start: var(--padding-start);
    -webkit-padding-end: var(--padding-end);
    padding-inline-end: var(--padding-end);
  }
}

.scroll-y,
.scroll-x {
  -webkit-overflow-scrolling: touch;
  /**
   * This adds `.inner-scroll` as part of the
   * stacking context in WebKit. Without it,
   * children of bkkr-content are treated as
   * siblings rather than descendants. This
   * can result in the children being put
   * into their own layers, degrading
   * scrolling performance.
   *
   * An optimization called "layer backing
   * sharing" usually kicks in to prevent
   * this, but having translate3d defeats
   * this optimization.
   *
   * See: https://bugs.webkit.org/show_bug.cgi?id=216701
   */
  will-change: scroll-position, transform;
  scrollbar-gutter: var(--scrollbar-gutter);
}

.scroll-y {
  overflow-y: var(--overflow);
  overscroll-behavior-y: contain;
}

.scroll-x {
  overflow-x: var(--overflow);
  overscroll-behavior-x: contain;
}

:host(.content-sizing) {
  display: flex;
  flex-direction: column;
  /**
   * This resolves a sizing issue in popovers where extra long content
   * would overflow the popover's height, preventing scrolling. It's a
   * quirk of flexbox that forces the content to shrink to fit.
   *
   * overflow: hidden can't be used here because it prevents the visual
   * effect from showing on translucent headers.
   */
  min-height: 0;
  contain: none;
}

:host(.content-sizing) .inner-scroll {
  position: relative;
  /**
   * Because the outer content has display: flex here (to help enable
   * scrolling in a popover), offsetting via `top` (such as when using
   * a translucent header) creates white space under the content. Use
   * a negative margin instead to keep the bottom in place. (A similar
   * thing happens with `bottom` and footers.)
   */
  top: 0;
  bottom: 0;
  margin-top: calc(var(--offset-top) * -1);
  margin-bottom: calc(var(--offset-bottom) * -1);
}

::slotted([slot=fixed]) {
  position: absolute;
  /**
   * When presenting bkkr-content inside of an bkkr-modal, the .inner-scroll
   * element is composited. In WebKit, the fixed content is not composited
   * causing it to appear under the main scrollable content as a result.
   * The fixed content is correctly composited in other browsers. Adding
   * the translateZ forces the fixed content to be composited so it correctly
   * shows on top of the scrollable content. Setting a negative z-index will
   * still allow the fixed content to appear under the scroll content if specified.
   */
  transform: translateZ(0);
}