menu.scss

@import "./menu.vars";

// Menu
// --------------------------------------------------

:host {
  /**
   * @prop --background: Background of the menu
   *
   * @prop --min-width: Minimum width of the menu
   * @prop --width: Width of the menu
   * @prop --max-width: Maximum width of the menu
   *
   * @prop --min-height: Minimum height of the menu
   * @prop --height: Height of the menu
   * @prop --max-height: Maximum height of the menu
   */
  --width: #{$menu-width};
  --min-width: auto;
  --max-width: auto;
  --height: 100%;
  --min-height: auto;
  --max-height: auto;
  --background: #{$background-color};

  @include position(0, 0, 0, 0);

  display: none;
  position: absolute;

  contain: strict;
}

:host(.show-menu) {
  display: block;
}


.menu-inner {
  @include transform(translateX(-9999px));

  display: flex;
  position: absolute;

  flex-direction: column;
  justify-content: space-between;

  width: var(--width);
  min-width: var(--min-width);
  max-width: var(--max-width);

  height: var(--height);
  min-height: var(--min-height);
  max-height: var(--max-height);

  background: var(--background);

  contain: strict;
}

:host(.menu-side-start) .menu-inner {
  /**
    * Menu does not cover the whole screen so we need to set the safe area for the
    * side that touches the screen edge only. Since safe area is not logical, it
    * needs to be applied to the correct side depending on the language direction.
    * Otherwise, the content will have less space on both sides.
    *
    * LTR:
    * The left side of the menu touches the screen edge. The safe area padding has
    * already been set in the core styles, so there's no need to set it again.
    * The right side of the menu is not touching the screen edge. Padding is not
    * applied to the right side of the menu. A value of 0 is set.
    */
  --ion-safe-area-right: 0px;

  @include position(0, auto, 0, 0);

  @include rtl() {
    /**
      * Menu does not cover the whole screen so we need to set the safe area for the
      * side that touches the screen edge only. Since safe area is not logical, it
      * needs to be applied to the correct side depending on the language direction.
      * Otherwise, the content will have less space on both sides.
      *
      * RTL:
      * The right side of the menu touches the screen edge.
      * The right side needs to revert back to the default value that was set in the core styles, so we unset it here.
      * This would keep the variable consistent with the core styles.
      * Additionally, it would continue to allow users to override the variable if they choose to.
      * The left side of the menu is not touching the screen edge. Padding is not
      * applied to the left side of the menu. A value of 0 is set.
      */
    --ion-safe-area-right: unset;
    --ion-safe-area-left: 0px;
  }
}

:host(.menu-side-end) .menu-inner {
  /**
    * Menu does not cover the whole screen so we need to set the safe area for the
    * side that touches the screen edge only. Since safe area is not logical, it
    * needs to be applied to the correct side depending on the language direction.
    * Otherwise, the content will have less space on both sides.
    *
    * LTR:
    * The right side of the menu touches the screen edge. The safe area padding has
    * already been set in the core styles, so there's no need to set it again.
    * The left side of the menu is not touching the screen edge. Padding is not
    * applied to the left side of the menu. A value of 0 is set.
    */
  --ion-safe-area-left: 0px;

  @include position(0, 0, 0, auto);

  @include rtl() {
    /**
      * Menu does not cover the whole screen so we need to set the safe area for the
      * side that touches the screen edge only. Since safe area is not logical, it
      * needs to be applied to the correct side depending on the language direction.
      * Otherwise, the content will have less space on both sides.
      *
      * RTL:
      * The left side of the menu touches the screen edge.
      * The left side needs to revert back to the default value that was set in the core styles, so we unset it here.
      * This would keep the variable consistent with the core styles.
      * Additionally, it would continue to allow users to override the variable if they choose to.
      * The right side of the menu is not touching the screen edge. Padding is not
      * applied to the right side of the menu. A value of 0 is set.
      */
    --ion-safe-area-left: unset;
    --ion-safe-area-right: 0px;
  }
}

ion-backdrop {
  display: none;

  opacity: .01;
  z-index: -1;
}

@media (max-width: 340px) {
  .menu-inner {
    --width: #{$menu-small-width};
  }
}


// Menu Reveal
// --------------------------------------------------
// The content slides over to reveal the menu underneath.
// The menu itself, which is under the content, does not move.

:host(.menu-type-reveal) {
  z-index: 0;
}

:host(.menu-type-reveal.show-menu) .menu-inner {
  @include transform(translate3d(0, 0, 0));
}


// Menu Overlay
// --------------------------------------------------
// The menu slides over the content. The content
// itself, which is under the menu, does not move.

:host(.menu-type-overlay) {
  z-index: $z-index-menu-overlay;
}

:host(.menu-type-overlay) .show-backdrop {
  display: block;

  cursor: pointer;
}


// Menu Split Pane
// --------------------------------------------------

/**
 * The split pane styles for menu are defined
 * in the menu stylesheets instead in the split pane
 * stylesheets with ::slotted to allow for menus
 * to be wrapped in custom components.
 * If we used ::slotted to target the menu
 * then menus wrapped in components would never
 * receive these styles because they are not
 * children of the split pane.
 */

/**
 * Do not pass CSS Variables down on larger
 * screens as we want them to affect the outer
 * `ion-menu` rather than the inner content
 */
:host(.menu-pane-visible) {
  flex: 0 1 auto;

  width: var(--side-width, var(--width));
  min-width: var(--side-min-width, var(--min-width));
  max-width: var(--side-max-width, var(--max-width));
}

:host(.menu-pane-visible.split-pane-side) {
  @include position(0, 0, 0, 0);

  position: relative;

  box-shadow: none;
  z-index: 0;
}

:host(.menu-pane-visible.split-pane-side.menu-enabled) {
  display: flex;

  flex-shrink: 0;
}

:host(.menu-pane-visible.split-pane-side) {
  order: -1;
}

:host(.menu-pane-visible.split-pane-side[side=end]) {
  order: 1;
}

:host(.menu-pane-visible) .menu-inner {
  @include position-horizontal(0, 0);

  width: auto;

  transform: none;

  box-shadow: none;
}

:host(.menu-pane-visible) ion-backdrop {
  /* stylelint-disable-next-line declaration-no-important */
  display: hidden !important;
}

:host(.menu-pane-visible.split-pane-side) {
  @include border(0, var(--border), 0, 0);

  min-width: var(--side-min-width);
  max-width: var(--side-max-width);
}

:host(.menu-pane-visible.split-pane-side[side=end]) {
  @include border(0, 0, 0, var(--border));

  min-width: var(--side-min-width);
  max-width: var(--side-max-width);
}