@import "./picker.vars";

// Picker
// --------------------------------------------------

:host {
  /**
  * @prop --highlight-background: Background of the picker highlight for the selected item
  * @prop --highlight-border-radius: Border radius of the picker highlight for the selected item
  *
  * @prop --fade-background-rgb: Background of the gradient covering non-selected items in rgb format
  */

  display: flex;

  position: relative;

  align-items: center;
  justify-content: center;

  width: 100%;
  height: 200px;

  /**
   * Picker columns should display
   * in the order in which developers
   * added them and should ignore
   * LTR vs RTL directions.
   */
  direction: ltr;

  /**
   * This is required otherwise the
   * highlight will appear behind
   * the picker when used inline.
   */
  z-index: 0;
}

:host .picker-before,
:host .picker-after {
  position: absolute;

  width: 100%;

  /**
   * The transform and z-index
   * are needed for WebKit otherwise
   * the fade will appear underneath the picker.
   */
  transform: translateZ(0);

  z-index: 1;

  pointer-events: none;
}

:host .picker-before {
  @include position(0, null, null, 0);

  height: 83px;
}

:host .picker-after {
  @include position(116px, null, null, 0);

  height: 84px;
}

:host .picker-highlight {
  @include border-radius(var(--highlight-border-radius, 8px));
  @include position(50%, 0, 0, 0);
  @include margin(0, auto, 0, auto);

  position: absolute;

  width: calc(100% - 16px);
  height: 34px;

  transform: translateY(-50%);

  background: var(--highlight-background);

  z-index: -1;
}

:host input {
  @include visually-hidden();
}

:host ::slotted(ion-picker-column:first-of-type) {
  text-align: start;
}

:host ::slotted(ion-picker-column:last-of-type) {
  text-align: end;
}

:host ::slotted(ion-picker-column:only-child) {
  text-align: center;
}