// Fluid list-box shared styles (Dropdown, ComboBox, MultiSelect). v11 port.
// https://github.com/carbon-design-system/carbon/blob/main/packages/styles/scss/components/fluid-list-box/_fluid-list-box.scss

@import "carbon-components/scss/globals/scss/vars";
@import "carbon-components/scss/globals/scss/helper-mixins";
@import "carbon-components/scss/globals/scss/typography";
@import "carbon-components/scss/globals/scss/vendor/@carbon/elements/scss/import-once/import-once";

/// Fluid list-box styles shared by `Dropdown`, `ComboBox`, and `MultiSelect`
/// @access private
/// @group components
@mixin fluid-list-box {
  .#{$prefix}--list-box__wrapper--fluid.#{$prefix}--list-box__wrapper {
    position: relative;
    background: $field-01;
    block-size: 100%;
    transition:
      background-color $duration--fast-01 motion(standard, productive),
      outline $duration--fast-01 motion(standard, productive);
  }

  // The wrapper owns the field background. Child segments stay transparent so
  // inset outlines (invalid on the wrapper, focus on the field wrapper) are
  // not painted over by list-box backgrounds or Carbon's :hover rules.
  .#{$prefix}--list-box__wrapper--fluid .#{$prefix}--list-box {
    padding: 0;
    min-block-size: to-rem(64px);
    background-color: transparent;
  }

  // Suppress Carbon's per-list-box hover; fluid hover is scoped below. The
  // skeleton's inner element carries `.bx--skeleton`; exclude it so its
  // background isn't forced transparent on hover.
  .#{$prefix}--list-box__wrapper--fluid
    .#{$prefix}--list-box:not(.#{$prefix}--skeleton):hover,
  .#{$prefix}--list-box__wrapper--fluid
    .#{$prefix}--list-box.#{$prefix}--list-box--expanded:hover {
    background-color: transparent;
  }

  // Default fluid (no error/warn footer): hover the full wrapper. The skeleton
  // variant is non-interactive, so exclude wrappers that contain a skeleton.
  .#{$prefix}--list-box__wrapper--fluid:not(
      .#{$prefix}--list-box__wrapper--fluid--invalid
    ):not(.#{$prefix}--list-box__wrapper--fluid--warning):not(
      .#{$prefix}--list-box__wrapper--fluid--disabled
    ):not(.#{$prefix}--list-box__wrapper--fluid--readonly):not(
      .#{$prefix}--list-box__wrapper--fluid--skeleton
    ):hover {
    background-color: $hover-ui;
  }

  // Invalid/warn fluid (matches fluid-select): hover tint only the input cell.
  .#{$prefix}--list-box__wrapper--fluid--invalid:not(:focus-within):not(
      .#{$prefix}--list-box__wrapper--fluid--disabled
    ):not(.#{$prefix}--list-box__wrapper--fluid--readonly)
    .#{$prefix}--list-box:hover:not(.#{$prefix}--combo-box),
  .#{$prefix}--list-box__wrapper--fluid--warning:not(:focus-within):not(
      .#{$prefix}--list-box__wrapper--fluid--disabled
    ):not(.#{$prefix}--list-box__wrapper--fluid--readonly)
    .#{$prefix}--list-box:hover:not(.#{$prefix}--combo-box),
  .#{$prefix}--list-box__wrapper--fluid--invalid:not(:focus-within):not(
      .#{$prefix}--list-box__wrapper--fluid--disabled
    ):not(.#{$prefix}--list-box__wrapper--fluid--readonly)
    .#{$prefix}--list-box.#{$prefix}--list-box--expanded:hover:not(
      .#{$prefix}--combo-box
    ),
  .#{$prefix}--list-box__wrapper--fluid--warning:not(:focus-within):not(
      .#{$prefix}--list-box__wrapper--fluid--disabled
    ):not(.#{$prefix}--list-box__wrapper--fluid--readonly)
    .#{$prefix}--list-box.#{$prefix}--list-box--expanded:hover:not(
      .#{$prefix}--combo-box
    ) {
    background-color: $hover-ui;
  }

  .#{$prefix}--list-box__wrapper--fluid .#{$prefix}--label {
    position: absolute;
    z-index: 1;
    display: flex;
    align-items: center;
    margin: 0;
    overflow-x: scroll;
    -ms-overflow-style: none;
    scrollbar-width: none;
    white-space: nowrap;
    block-size: to-rem(16px);
    inline-size: calc(100% - 2rem);
    inset-block-start: to-rem(13px);
    inset-inline-start: $spacing-05;
  }

  .#{$prefix}--list-box__wrapper--fluid .#{$prefix}--label::-webkit-scrollbar {
    display: none;
  }

  .#{$prefix}--list-box__wrapper--fluid
    .#{$prefix}--label.#{$prefix}--label--slotted {
    gap: $spacing-03;
    overflow: visible;
  }

  .#{$prefix}--list-box__wrapper--fluid .#{$prefix}--list-box__field--wrapper {
    position: relative;
    display: inline-flex;
    width: 100%;
    height: calc(100% + 1px);
    align-items: center;
    background-color: transparent;
  }

  .#{$prefix}--list-box__wrapper--fluid .#{$prefix}--list-box__field {
    padding-block: to-rem(33px) to-rem(13px);
    padding-inline-start: $spacing-05;
  }

  .#{$prefix}--list-box__wrapper--fluid .#{$prefix}--list-box__menu-icon {
    block-size: 1rem;
    inline-size: 1rem;
  }

  .#{$prefix}--list-box__wrapper--fluid
    .#{$prefix}--dropdown
    .#{$prefix}--list-box__menu-icon {
    inset-inline-end: $spacing-05;
  }

  .#{$prefix}--list-box__wrapper--fluid
    .#{$prefix}--multi-select
    .#{$prefix}--list-box__menu-icon {
    inset-inline-end: $spacing-04;
  }

  .#{$prefix}--list-box__wrapper--fluid:not(
      .#{$prefix}--list-box__wrapper--fluid--condensed
    )
    .#{$prefix}--list-box__menu-item {
    block-size: $spacing-10;
  }

  .#{$prefix}--list-box__wrapper--fluid:not(
      .#{$prefix}--list-box__wrapper--fluid--condensed
    )
    .#{$prefix}--list-box__menu-item__selected-icon {
    inset-block-start: to-rem(20px);
  }

  // Invalid / warning states. The wrapper-level ring replaces the field-level
  // outline that v10 renders for the non-fluid variants. A ::after overlay
  // paints above child backgrounds (including input-cell hover) so the ring
  // stays visible until focus moves to the field.
  .#{$prefix}--list-box__wrapper--fluid.#{$prefix}--list-box__wrapper--fluid--invalid:not(
      :focus-within
    )::after {
    position: absolute;
    z-index: 3;
    content: "";
    pointer-events: none;
    inset: 0;
    box-shadow: inset 0 0 0 2px $support-01;
    transition: box-shadow $duration--fast-01 motion(standard, productive);

    @media screen and (prefers-contrast) {
      box-shadow: none;
      outline: 2px dotted $support-01;
      outline-offset: -2px;
    }
  }

  // Segment backgrounds must be transparent so the parent invalid outline
  // (inset via focus-outline) is visible around the full field, not just the
  // footer. Specificity must beat the list-box background rules.
  .#{$prefix}--list-box__wrapper--fluid.#{$prefix}--list-box__wrapper--fluid--invalid
    .#{$prefix}--list-box,
  .#{$prefix}--list-box__wrapper--fluid.#{$prefix}--list-box__wrapper--fluid--invalid
    .#{$prefix}--list-box__field,
  .#{$prefix}--list-box__wrapper--fluid.#{$prefix}--list-box__wrapper--fluid--invalid
    .#{$prefix}--list-box
    .#{$prefix}--text-input,
  .#{$prefix}--list-box__wrapper--fluid.#{$prefix}--list-box__wrapper--fluid--invalid
    .#{$prefix}--form-requirement {
    background: transparent;
  }

  .#{$prefix}--list-box__wrapper--fluid.#{$prefix}--list-box__wrapper--fluid--invalid
    .#{$prefix}--form-requirement {
    display: block;
    overflow: visible;
    max-block-size: 100%;
    color: $text-error;
  }

  .#{$prefix}--list-box__wrapper--fluid.#{$prefix}--list-box__wrapper--fluid--invalid
    .#{$prefix}--list-box,
  .#{$prefix}--list-box__wrapper--fluid.#{$prefix}--list-box__wrapper--fluid--invalid
    .#{$prefix}--list-box__field:focus,
  .#{$prefix}--list-box__wrapper--fluid.#{$prefix}--list-box__wrapper--fluid--invalid
    .#{$prefix}--combo-box[data-invalid]
    .#{$prefix}--text-input {
    outline: none;
    outline-offset: 0;
  }

  .#{$prefix}--list-box__wrapper--fluid.#{$prefix}--list-box__wrapper--fluid--invalid
    .#{$prefix}--list-box
    .#{$prefix}--text-input,
  .#{$prefix}--list-box__wrapper--fluid
    .#{$prefix}--combo-box.#{$prefix}--list-box--warning
    .#{$prefix}--text-input {
    border-block-end: 1px solid transparent;
  }

  .#{$prefix}--list-box__wrapper--fluid.#{$prefix}--list-box__wrapper--fluid--invalid
    .#{$prefix}--list-box,
  .#{$prefix}--list-box__wrapper--fluid .#{$prefix}--list-box--warning {
    border-block-end: 1px solid transparent;
  }

  // The error/warn message renders as a sibling of the list box, inside
  // the fluid wrapper. The base v10 styles already reveal it via the
  // `[data-invalid] ~` and `--warning ~` general sibling selectors.
  .#{$prefix}--list-box__wrapper--fluid .#{$prefix}--form-requirement {
    padding: to-rem(8px) 4rem to-rem(8px) $spacing-05;
    margin-block-start: 0;
  }

  .#{$prefix}--list-box__wrapper--fluid
    .#{$prefix}--list-box--warning
    ~ .#{$prefix}--form-requirement {
    border-block-end: 1px solid $ui-04;
  }

  .#{$prefix}--list-box__wrapper--fluid.#{$prefix}--list-box__wrapper--fluid--invalid
    .#{$prefix}--list-box[data-invalid]
    .#{$prefix}--list-box__invalid-icon,
  .#{$prefix}--list-box__wrapper--fluid
    .#{$prefix}--list-box.#{$prefix}--list-box--warning
    .#{$prefix}--list-box__invalid-icon {
    inset-block-start: to-rem(81px);
    inset-inline-end: $spacing-05;
    pointer-events: none;
  }

  .#{$prefix}--list-box__wrapper--fluid.#{$prefix}--list-box__wrapper--fluid--invalid
    .#{$prefix}--list-box[data-invalid]:not(.#{$prefix}--combo-box)
    .#{$prefix}--list-box__field {
    padding-inline-end: $spacing-09;
  }

  .#{$prefix}--list-box__wrapper--fluid.#{$prefix}--list-box__wrapper--fluid--invalid
    .#{$prefix}--list-box[data-invalid].#{$prefix}--combo-box
    .#{$prefix}--text-input {
    padding-inline-end: $spacing-10;
  }

  .#{$prefix}--list-box__wrapper--fluid .#{$prefix}--list-box__divider {
    display: none;
    transition: border-color $duration--fast-01 motion(standard, productive);
  }

  .#{$prefix}--list-box__wrapper--fluid
    .#{$prefix}--list-box[data-invalid]
    ~ .#{$prefix}--list-box__divider,
  .#{$prefix}--list-box__wrapper--fluid
    .#{$prefix}--list-box--warning
    ~ .#{$prefix}--list-box__divider {
    display: block;
    border: none;
    margin: 0 1rem;
    border-block-end: 1px solid $ui-03;
    inline-size: calc(100% - 2rem);
  }

  .#{$prefix}--list-box__wrapper--fluid
    .#{$prefix}--list-box[data-invalid]:hover:not(.#{$prefix}--combo-box)
    ~ .#{$prefix}--list-box__divider,
  .#{$prefix}--list-box__wrapper--fluid
    .#{$prefix}--list-box--warning:hover:not(.#{$prefix}--combo-box)
    ~ .#{$prefix}--list-box__divider {
    border-color: transparent;
  }

  .#{$prefix}--list-box__wrapper--fluid .#{$prefix}--list-box__selection {
    inset-inline-end: to-rem(41px);
  }

  .#{$prefix}--list-box__wrapper--fluid
    .#{$prefix}--list-box--up
    .#{$prefix}--list-box__menu {
    inset-block-end: $spacing-10;
  }

  // Focus styles. The outline renders on the field wrapper (not the fluid
  // wrapper) so the open menu, a sibling of the field, does not paint over
  // the bottom edge. `outline-offset: 0` on the outer wrapper is clipped by
  // adjacent fluid-form cells; the mixin's -2px inset offset stays visible
  // on the smaller field wrapper. Matches MultiSelect's `--input-focused`
  // pattern and Carbon v11's `--fluid--focus` intent.
  .#{$prefix}--list-box__wrapper--fluid
    .#{$prefix}--list-box__field--wrapper--input-focused {
    @include focus-outline("outline");

    z-index: 2;
  }

  .#{$prefix}--list-box__wrapper--fluid .#{$prefix}--list-box__field:focus {
    outline: none;
    outline-offset: 0;
  }

  .#{$prefix}--list-box__wrapper--fluid .#{$prefix}--skeleton {
    background: $skeleton-01;
    border-block-end: 1px solid $skeleton-02;
  }

  .#{$prefix}--list-box__wrapper--fluid
    .#{$prefix}--skeleton
    .#{$prefix}--list-box__field {
    @include skeleton;

    position: absolute;
    padding: 0;
    block-size: to-rem(8px);
    inline-size: 50%;
    inset-block-start: to-rem(36px);
    inset-inline-start: $spacing-05;
  }

  .#{$prefix}--list-box__wrapper--fluid
    .#{$prefix}--skeleton
    .#{$prefix}--list-box__label {
    @include skeleton;

    position: absolute;
    block-size: to-rem(8px);
    inline-size: 25%;
    inset-block-start: $spacing-05;
    inset-inline-start: $spacing-05;
  }
}

@include exports("fluid-list-box") {
  @include fluid-list-box;
}