_tile.scss

//
// Copyright IBM Corp. 2016, 2023
//
// This source code is licensed under the Apache-2.0 license found in the
// LICENSE file in the root directory of this source tree.
//

@use '../button/tokens' as button;
@use '../../config' as *;
@use '../../feature-flags' as *;
@use '../../layer' as *;
@use '../../motion' as *;
@use '../../spacing' as *;
@use '../../theme' as *;
@use '../../type' as *;
@use '../../utilities/ai-gradient' as *;
@use '../../utilities/button-reset';
@use '../../utilities/component-reset';
@use '../../utilities/focus-outline' as *;
@use '../../utilities/high-contrast-mode' as *;
@use '../../utilities/visually-hidden' as *;
@use '../../utilities/layout';

// padding + icon size (1rem) + padding
$-icon-container-size: calc(#{layout.density('padding-inline')} * 2 + 1rem);

/// Tile styles
/// @access public
/// @group tile
@mixin tile(
  $enable-experimental-tile-contrast: false,
  $enable-v12-tile-radio-icons: false
) {
  .#{$prefix}--tile-group {
    @include reset;
  }

  .#{$prefix}--tile {
    @include type-style('body-compact-01');
    @include layout.use('density', $default: 'normal');

    position: relative;
    display: block;
    padding: layout.density('padding-inline');
    background-color: $layer;
    min-block-size: 4rem;
    min-inline-size: 8rem;
    outline: 2px solid transparent;
    outline-offset: -2px;

    &:focus {
      @include focus-outline('outline');
    }
  }

  // V11: Possibly deprecate
  .#{$prefix}--tile--light {
    background-color: $layer-02;
  }

  .#{$prefix}--tile--clickable,
  .#{$prefix}--tile--selectable {
    @include component-reset.reset;
    @include type-style('body-compact-01');

    padding: layout.density('padding-inline');
    cursor: pointer;
    transition: $duration-moderate-01 motion(standard, productive);

    &:hover {
      background: $layer-hover;
    }
  }

  .#{$prefix}--tile--clickable {
    color: $text-primary;
    text-decoration: none;

    @if (
      enabled('enable-experimental-tile-contrast') or
        $enable-experimental-tile-contrast
    ) {
      border: 1px solid $border-tile;
    }

    &:focus {
      @include focus-outline('outline');

      text-decoration: none;
    }

    &:hover,
    &:focus {
      .#{$prefix}--tile__checkmark {
        opacity: 1;
      }
    }
  }

  // Removes Firefox automatic border on buttons
  .#{$prefix}--tile--expandable::-moz-focus-inner {
    border: 0;
  }

  .#{$prefix}--tile--clickable:hover,
  .#{$prefix}--tile--clickable:active,
  .#{$prefix}--tile--clickable:visited,
  .#{$prefix}--tile--clickable:visited:hover {
    color: $text-primary;
    text-decoration: none;
  }

  // Disabled ClickableTile
  .#{$prefix}--tile--clickable.#{$prefix}--link--disabled,
  .#{$prefix}--tile--clickable:hover.#{$prefix}--link--disabled {
    display: block;
    padding: layout.density('padding-inline');
    background-color: $layer;
    color: $text-disabled;
    cursor: not-allowed;

    @if (
      enabled('enable-experimental-tile-contrast') or
        $enable-experimental-tile-contrast
    ) {
      border: 1px solid $border-disabled;
    }
  }

  .#{$prefix}--tile--clickable .#{$prefix}--tile--icon,
  .#{$prefix}--tile--clickable.#{$prefix}--link--disabled
    .#{$prefix}--tile--disabled-icon {
    position: absolute;
    inset-block-end: layout.density('padding-inline');
    inset-inline-end: layout.density('padding-inline');
  }

  .#{$prefix}--tile--clickable .#{$prefix}--tile--icon {
    fill: $icon-interactive;
  }

  .#{$prefix}--tile--clickable.#{$prefix}--link--disabled
    .#{$prefix}--tile--disabled-icon {
    fill: $icon-disabled;
  }

  .#{$prefix}--tile--clickable.#{$prefix}--link--disabled
    .#{$prefix}--tile--icon {
    display: none;
  }

  .#{$prefix}--tile--selectable {
    border: 1px solid transparent;
    padding-inline-end: $-icon-container-size;

    @if (
      enabled('enable-experimental-tile-contrast') or
        $enable-experimental-tile-contrast
    ) {
      border: 1px solid $border-tile;
    }
  }

  .#{$prefix}--tile__checkmark {
    position: absolute;
    border: none;
    background: transparent;
    block-size: 1rem;
    inset-block-start: layout.density('padding-inline');
    inset-inline-end: layout.density('padding-inline');
    transition: $duration-fast-02 motion(standard, productive);

    @if (
      enabled('enable-v12-tile-radio-icons') or
        $enable-experimental-tile-contrast
    ) {
      opacity: 1;
    } @else {
      opacity: 0;
    }

    svg {
      border-radius: 50%;
      fill: $icon-secondary;
    }

    &:focus {
      @include focus-outline('outline');
    }
  }

  .#{$prefix}--tile__checkmark--persistent {
    opacity: 1;
  }

  .#{$prefix}--tile__chevron {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    block-size: $-icon-container-size;
    inline-size: $-icon-container-size;
    inset-block-end: 0;
    inset-inline-end: 0;

    svg {
      fill: $icon-primary;
      transform-origin: center;
      transition: $duration-fast-02 motion(standard, productive);

      @media screen and (prefers-reduced-motion: reduce) {
        transition: none;
      }

      // Windows, Firefox HCM Fix
      @media screen and (-ms-high-contrast: active),
        screen and (prefers-contrast) {
        // `ButtonText` is a CSS2 system color to help improve colors in HCM
        fill: ButtonText;
      }
    }
  }

  .#{$prefix}--tile__chevron--interactive {
    @include button-reset.reset;

    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    block-size: $-icon-container-size;
    inline-size: $-icon-container-size;
    inset-block-end: 0;
    inset-inline-end: 0;
    @if (
      enabled('enable-experimental-tile-contrast') or
        $enable-experimental-tile-contrast
    ) {
      border: 1px solid $border-disabled;
    }

    &:focus {
      outline: 2px solid $focus;
      outline-offset: -2px;
    }

    &:hover {
      background-color: $layer-hover;
      cursor: pointer;
    }
  }

  .#{$prefix}--tile--expandable {
    position: relative;
    overflow: hidden;
    border: 0;
    color: inherit;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    inline-size: 100%;
    text-align: start;
    transition: max-height $duration-moderate-01 motion(standard, productive);

    @include type-style('body-compact-01');

    @if (
      enabled('enable-experimental-tile-contrast') or
        $enable-experimental-tile-contrast
    ) {
      border: 1px solid $border-tile;
    }

    &:hover {
      background: $layer-hover;
    }
  }

  .#{$prefix}--tile--expandable.#{$prefix}--tile--expandable--interactive {
    border: none;
    cursor: default;
    transition: max-height $duration-moderate-01 motion(standard, productive);

    &:hover {
      background-color: $layer;
    }

    &:focus {
      outline: none;
    }
  }

  .#{$prefix}--tile--expandable--interactive:focus {
    @include focus-outline('outline');
  }

  .#{$prefix}--tile-content__below-the-fold {
    display: block;
    opacity: 0;
    transition:
      opacity $duration-fast-02 motion(standard, productive),
      visibility $duration-fast-02 motion(standard, productive);
    visibility: hidden;
  }

  .#{$prefix}--tile--is-expanded {
    overflow: visible;
    transition: max-height $duration-fast-02 motion(standard, productive);

    .#{$prefix}--tile__chevron svg {
      transform: rotate(180deg);
    }

    .#{$prefix}--tile-content__below-the-fold {
      opacity: 1;
      transition:
        opacity $duration-fast-02 motion(standard, productive),
        visibility $duration-fast-02 motion(standard, productive);
      visibility: inherit;

      // Safari-only media query
      // Fixes an issue with scrolling
      // and absolutely positioned elements (#8119)
      @media not all and (resolution >= 0.001dpcm) {
        @supports (-webkit-appearance: none) and (stroke-color: transparent) {
          overflow-y: auto;
        }
      }
    }
  }

  .#{$prefix}--tile--is-selected {
    border: 1px solid $layer-selected-inverse;
  }

  .#{$prefix}--tile--is-selected .#{$prefix}--tile__checkmark {
    opacity: 1;
  }

  .#{$prefix}--tile--is-selected .#{$prefix}--tile__checkmark svg {
    fill: $icon-primary;

    // Windows, Firefox HCM Fix
    @media screen and (-ms-high-contrast: active),
      screen and (prefers-contrast) {
      // `ButtonText` is a CSS2 system color to help improve colors in HCM
      fill: ButtonText;
    }
  }

  .#{$prefix}--tile-content {
    block-size: 100%;
    inline-size: 100%;
  }

  .#{$prefix}--tile-input {
    @include visually-hidden;
  }

  .#{$prefix}--tile-input:focus + .#{$prefix}--tile {
    @include focus-outline('outline');
  }

  .#{$prefix}--tile--disabled.#{$prefix}--tile--selectable {
    background-color: $layer;
    color: $text-disabled;
    cursor: not-allowed;

    @if (
      enabled('enable-experimental-tile-contrast') or
        $enable-experimental-tile-contrast
    ) {
      border: 1px solid $border-disabled;
    }
  }

  // V11: Possibly deprecate
  .#{$prefix}--tile--disabled.#{$prefix}--tile--selectable.#{$prefix}--tile--light {
    background-color: $layer-02;
  }

  .#{$prefix}--tile--disabled.#{$prefix}--tile--is-selected {
    border-color: $border-disabled;
  }

  .#{$prefix}--tile--disabled .#{$prefix}--tile__checkmark svg {
    fill: $icon-disabled;
  }

  // AILabel styles
  .#{$prefix}--tile > .#{$prefix}--tile--inner-decorator > *,
  .#{$prefix}--tile--expandable > div > .#{$prefix}--tile--inner-decorator > *,
  .#{$prefix}--tile > .#{$prefix}--ai-label,
  .#{$prefix}--tile--expandable > div > .#{$prefix}--ai-label,
  .#{$prefix}--tile > .#{$prefix}--slug,
  .#{$prefix}--tile--expandable > div > .#{$prefix}--slug,
  .#{$prefix}--tile--clickable .#{$prefix}--tile--ai-label-icon {
    position: absolute;
    inset-block-start: $spacing-05;
    inset-inline-end: $spacing-05;
  }

  .#{$prefix}--tile.#{$prefix}--tile--selectable
    > .#{$prefix}--tile--inner-decorator
    > *,
  .#{$prefix}--tile.#{$prefix}--tile--selectable > .#{$prefix}--ai-label,
  .#{$prefix}--tile.#{$prefix}--tile--selectable > .#{$prefix}--slug {
    inset-inline-end: $spacing-08;
  }

  .#{$prefix}--tile.#{$prefix}--tile--selectable.#{$prefix}--tile--radio
    > .#{$prefix}--tile--inner-decorator
    > *,
  .#{$prefix}--tile.#{$prefix}--tile--selectable.#{$prefix}--tile--radio
    > .#{$prefix}--ai-label,
  .#{$prefix}--tile.#{$prefix}--tile--selectable.#{$prefix}--tile--radio
    > .#{$prefix}--slug {
    inset-inline-end: $spacing-05;
    transition: inset-inline-end $duration-fast-02 motion(standard, productive);

    @if (
      enabled('enable-v12-tile-radio-icons') or
        $enable-experimental-tile-contrast
    ) {
      inset-inline-end: $spacing-08;
    }
  }

  .#{$prefix}--tile.#{$prefix}--tile--selectable.#{$prefix}--tile--radio.#{$prefix}--tile--is-selected
    > .#{$prefix}--tile--inner-decorator
    > *,
  .#{$prefix}--tile.#{$prefix}--tile--selectable.#{$prefix}--tile--radio.#{$prefix}--tile--is-selected
    > .#{$prefix}--ai-label,
  .#{$prefix}--tile.#{$prefix}--tile--selectable.#{$prefix}--tile--radio.#{$prefix}--tile--is-selected
    > .#{$prefix}--slug {
    inset-inline-end: $spacing-08;
  }

  .#{$prefix}--tile.#{$prefix}--tile--clickable
    > .#{$prefix}--tile--inner-decorator
    > *,
  .#{$prefix}--tile.#{$prefix}--tile--clickable > .#{$prefix}--ai-label,
  .#{$prefix}--tile.#{$prefix}--tile--clickable > .#{$prefix}--slug {
    pointer-events: none;
  }

  .#{$prefix}--tile--decorator:has(
      .#{$prefix}--tile--ai-label-icon
    ).#{$prefix}--tile,
  .#{$prefix}--tile--decorator:has(.#{$prefix}--ai-label).#{$prefix}--tile,
  .#{$prefix}--tile--slug.#{$prefix}--tile {
    @include ai-popover-gradient('default', 0, 'layer');

    border: 1px solid transparent;
    box-shadow:
      inset 0 -80px 70px -65px $ai-inner-shadow,
      0 4px 8px 0 $ai-drop-shadow;
  }

  .#{$prefix}--tile--decorator:has(
      .#{$prefix}--ai-label
    ).#{$prefix}--tile--expandable:hover,
  .#{$prefix}--tile--slug.#{$prefix}--tile--expandable:hover {
    @include ai-popover-gradient('default', 0, 'layer');
  }

  .#{$prefix}--tile--decorator.#{$prefix}--tile--selectable::before,
  .#{$prefix}--tile--decorator.#{$prefix}--tile--selectable::after,
  .#{$prefix}--tile--decorator.#{$prefix}--tile--clickable::before,
  .#{$prefix}--tile--slug.#{$prefix}--tile--selectable::before,
  .#{$prefix}--tile--slug.#{$prefix}--tile--selectable::after,
  .#{$prefix}--tile--slug.#{$prefix}--tile--clickable::before {
    position: absolute;
    display: block;
    block-size: 100%;
    content: '';
    inline-size: 100%;
    inset-block-start: 0;
    inset-inline-start: 0;
    opacity: 0;
    transition: opacity $duration-fast-02 motion(standard, productive);
  }

  .#{$prefix}--tile--decorator:has(
      .#{$prefix}--ai-label
    ).#{$prefix}--tile--selectable::before,
  .#{$prefix}--tile--decorator:has(
      .#{$prefix}--ai-label
    ).#{$prefix}--tile--clickable::before,
  .#{$prefix}--tile--slug.#{$prefix}--tile--selectable::before,
  .#{$prefix}--tile--slug.#{$prefix}--tile--clickable::before {
    @include ai-popover-gradient('hover', 0, 'layer');

    box-shadow:
      inset 0 -80px 70px -65px $ai-inner-shadow,
      0 4px 10px 2px $ai-drop-shadow;
  }

  .#{$prefix}--tile--decorator.#{$prefix}--tile--selectable:hover::before,
  .#{$prefix}--tile--decorator.#{$prefix}--tile--clickable:hover::before,
  .#{$prefix}--tile--slug.#{$prefix}--tile--selectable:hover::before,
  .#{$prefix}--tile--slug.#{$prefix}--tile--clickable:hover::before {
    opacity: 1;
  }

  .#{$prefix}--tile--decorator.#{$prefix}--tile--selectable:focus,
  .#{$prefix}--tile--decorator.#{$prefix}--tile--clickable:focus,
  .#{$prefix}--tile-input:focus + .#{$prefix}--tile--decorator.#{$prefix}--tile,
  .#{$prefix}--tile--slug.#{$prefix}--tile--selectable:focus,
  .#{$prefix}--tile--slug.#{$prefix}--tile--clickable:focus,
  .#{$prefix}--tile-input:focus + .#{$prefix}--tile--slug.#{$prefix}--tile {
    outline-offset: -1px;
  }

  .#{$prefix}--tile--decorator:has(
      .#{$prefix}--tile--inner-decorator .#{$prefix}--ai-label
    ).#{$prefix}--tile--selectable::after,
  .#{$prefix}--tile--slug.#{$prefix}--tile--selectable::after {
    @include ai-popover-gradient('selected', 0, 'layer');

    box-shadow:
      inset 0 -80px 70px -65px $ai-inner-shadow,
      0 4px 8px 0 $ai-drop-shadow;
  }

  .#{$prefix}--tile--decorator.#{$prefix}--tile--selectable:hover::after,
  .#{$prefix}--tile--slug.#{$prefix}--tile--selectable:hover::after {
    opacity: 0;
  }

  .#{$prefix}--tile--decorator.#{$prefix}--tile--is-selected::after,
  .#{$prefix}--tile--slug.#{$prefix}--tile--is-selected::after {
    opacity: 1;
  }

  .#{$prefix}--tile--decorator:has(
      .#{$prefix}--tile--inner-decorator
    ).#{$prefix}--tile--is-selected,
  .#{$prefix}--tile--slug.#{$prefix}--tile--is-selected {
    border-color: $border-inverse;
  }

  .#{$prefix}--tile--decorator.#{$prefix}--tile--selectable
    .#{$prefix}--tile-content,
  .#{$prefix}--tile--decorator.#{$prefix}--tile--clickable
    .#{$prefix}--tile-content,
  .#{$prefix}--tile--slug.#{$prefix}--tile--selectable
    .#{$prefix}--tile-content,
  .#{$prefix}--tile--slug.#{$prefix}--tile--clickable
    .#{$prefix}--tile-content {
    position: relative;
    cursor: pointer;
  }

  .#{$prefix}--tile--decorator.#{$prefix}--tile--selectable
    .#{$prefix}--tile-content,
  .#{$prefix}--tile--decorator.#{$prefix}--tile--clickable
    .#{$prefix}--tile-content,
  .#{$prefix}--tile--decorator.#{$prefix}--tile--selectable
    > .#{$prefix}--tile__checkmark,
  .#{$prefix}--tile--decorator.#{$prefix}--tile--is-selected
    .#{$prefix}--tile--inner-decorator
    > *,
  .#{$prefix}--tile--slug.#{$prefix}--tile--selectable
    .#{$prefix}--tile-content,
  .#{$prefix}--tile--slug.#{$prefix}--tile--clickable .#{$prefix}--tile-content,
  .#{$prefix}--tile--slug.#{$prefix}--tile--selectable
    > .#{$prefix}--tile__checkmark,
  .#{$prefix}--tile--slug.#{$prefix}--tile--is-selected .#{$prefix}--ai-label,
  .#{$prefix}--tile--slug.#{$prefix}--tile--is-selected .#{$prefix}--slug {
    z-index: 1;
  }

  .#{$prefix}--tile--decorator.#{$prefix}--tile--selectable
    .#{$prefix}--tile--inner-decorator
    > *:has(> .#{$prefix}--popover--open),
  .#{$prefix}--tile--slug.#{$prefix}--tile--selectable
    .#{$prefix}--ai-label:has(> .#{$prefix}--popover--open),
  .#{$prefix}--tile--slug.#{$prefix}--tile--selectable
    .#{$prefix}--slug:has(> .#{$prefix}--popover--open) {
    z-index: 2;
  }

  .#{$prefix}--tile--decorator.#{$prefix}--tile--selectable
    > .#{$prefix}--tile--inner-decorator
    > *,
  .#{$prefix}--tile--decorator.#{$prefix}--tile--selectable
    > .#{$prefix}--tile__checkmark,
  .#{$prefix}--tile--slug.#{$prefix}--tile--selectable > .#{$prefix}--ai-label,
  .#{$prefix}--tile--slug.#{$prefix}--tile--selectable > .#{$prefix}--slug,
  .#{$prefix}--tile--slug.#{$prefix}--tile--selectable
    > .#{$prefix}--tile__checkmark {
    z-index: 1;
  }

  .#{$prefix}--tile--expandable:has(
      .#{$prefix}--tile--inner-decorator > * > .#{$prefix}--popover--open
    ),
  .#{$prefix}--tile--expandable:has(
      .#{$prefix}--ai-label > .#{$prefix}--popover--open
    ),
  .#{$prefix}--tile--expandable:has(
      .#{$prefix}--slug > .#{$prefix}--popover--open
    ) {
    overflow: visible;
  }

  .#{$prefix}--tile--clickable .#{$prefix}--tile--ai-label-icon rect {
    stroke: $icon-primary;
  }

  .#{$prefix}--tile--clickable .#{$prefix}--tile--ai-label-icon path {
    fill: $icon-primary;
  }

  // Tile with slug and rounded corners
  .#{$prefix}--tile--decorator-rounded,
  .#{$prefix}--tile--decorator-rounded.#{$prefix}--tile--selectable::before,
  .#{$prefix}--tile--decorator-rounded.#{$prefix}--tile--selectable::after,
  .#{$prefix}--tile--decorator-rounded.#{$prefix}--tile--clickable::before,
  .#{$prefix}--tile--slug-rounded,
  .#{$prefix}--tile--slug-rounded.#{$prefix}--tile--selectable::before,
  .#{$prefix}--tile--slug-rounded.#{$prefix}--tile--selectable::after,
  .#{$prefix}--tile--slug-rounded.#{$prefix}--tile--clickable::before {
    border-radius: $spacing-03;
  }

  .#{$prefix}--tile--decorator-rounded .#{$prefix}--tile__chevron,
  .#{$prefix}--tile--slug-rounded .#{$prefix}--tile__chevron {
    border-end-end-radius: $spacing-03;
  }

  // Windows HCM fix
  .#{$prefix}--tile__chevron svg,
  .#{$prefix}--tile__checkmark svg,
  .#{$prefix}--tile--is-selected .#{$prefix}--tile__checkmark svg {
    @include high-contrast-mode('icon-fill');
  }
}