_select.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 '../form';
@use '../../colors' as *;
@use '../../config' as *;
@use '../../spacing' as *;
@use '../../motion' as *;
@use '../../type' as *;
@use '../../breakpoint' as *;
@use '../../theme' as *;
@use '../../utilities/ai-gradient' as *;
@use '../../utilities/component-reset';
@use '../../utilities/convert';
@use '../../utilities/focus-outline' as *;
@use '../../utilities/high-contrast-mode' as *;
@use '../../utilities/skeleton' as *;

/// Select styles
/// @access public
/// @group select
@mixin select {
  .#{$prefix}--select {
    @include component-reset.reset;

    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    inline-size: 100%;
  }

  .#{$prefix}--select-input__wrapper {
    position: relative;
    display: flex;
    align-items: center;
    inline-size: 100%;
  }

  .#{$prefix}--select-input {
    @include type-style('body-compact-01');
    @include focus-outline('reset');

    display: block;
    border: none;
    border-radius: 0;
    appearance: none;
    background-color: $field;
    block-size: convert.to-rem(40px);
    border-block-end: 1px solid $border-strong;
    color: $text-primary;
    cursor: pointer;
    font-family: inherit;
    inline-size: 100%;
    // reset disabled <select> opacity
    opacity: 1;
    padding-block: 0;
    padding-inline: $spacing-05 $spacing-09;
    text-overflow: ellipsis;

    // Do not transition on background-color (see: https://github.com/carbon-design-system/carbon/issues/4464)
    transition: outline $duration-fast-01 motion(standard, productive);

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

    // Hide default select arrow in IE10+
    &::-ms-expand {
      display: none;
    }

    // Select text renders a little high on Firefox
    @-moz-document url-prefix() {
      // Removes dotted inner focus
      &:-moz-focusring,
      &::-moz-focus-inner {
        background-image: none;
        color: transparent;
        text-shadow: 0 0 0 #000000;
      }
    }

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

      color: $text-primary;
    }

    &:disabled,
    &:hover:disabled {
      background-color: $field;
      border-block-end-color: transparent;
      color: $text-disabled;
      cursor: not-allowed;
    }
  }

  .#{$prefix}--select-input--sm {
    block-size: convert.to-rem(32px);
    max-block-size: convert.to-rem(32px);
  }

  .#{$prefix}--select-input--lg {
    block-size: convert.to-rem(48px);
    max-block-size: convert.to-rem(48px);
  }

  .#{$prefix}--select--disabled .#{$prefix}--label,
  .#{$prefix}--select--disabled .#{$prefix}--form__helper-text {
    color: $text-disabled;
  }

  .#{$prefix}--select-input__wrapper[data-invalid] .#{$prefix}--select-input,
  .#{$prefix}--select--warning .#{$prefix}--select-input {
    padding-inline-end: $spacing-10;
  }

  .#{$prefix}--select-input:disabled ~ .#{$prefix}--select__arrow {
    fill: $icon-disabled;
  }

  .#{$prefix}--select--light .#{$prefix}--select-input {
    background-color: $field-02;

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

    &:disabled,
    &:hover:disabled {
      background-color: $field-02;
      color: $text-disabled;
      cursor: not-allowed;
    }
  }

  .#{$prefix}--select__arrow {
    position: absolute;
    block-size: 100%;
    fill: $icon-primary;
    inset-block-start: 0;
    inset-inline-end: $spacing-05;
    pointer-events: 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
      path {
        fill: ButtonText;
      }
    }
  }

  .#{$prefix}--select__invalid-icon {
    position: absolute;
    inset-inline-end: $spacing-08;
  }

  .#{$prefix}--select-input__wrapper[data-invalid]
    .#{$prefix}--select-input
    ~ .#{$prefix}--select__invalid-icon {
    fill: $support-error;
  }

  .#{$prefix}--select__invalid-icon--warning {
    fill: $support-warning;
  }

  .#{$prefix}--select__invalid-icon--warning path[fill] {
    fill: $black-100;
    opacity: 1;
  }

  optgroup.#{$prefix}--select-optgroup,
  .#{$prefix}--select-option {
    // For the options to show in IE11
    background-color: $layer-hover;
    color: $text-primary;

    &:disabled {
      color: $text-disabled;
    }
  }

  .#{$prefix}--select--inline {
    display: flex;
    flex-direction: row;
    align-items: center;
  }

  .#{$prefix}--select--inline.#{$prefix}--select--invalid .#{$prefix}--label,
  .#{$prefix}--select--inline.#{$prefix}--select--invalid
    .#{$prefix}--form__helper-text {
    align-self: flex-start;
    // Offset label text margin
    margin-block-start: convert.to-rem(13px);
  }

  .#{$prefix}--select--inline .#{$prefix}--form__helper-text {
    margin-block-end: 0;
    margin-inline-start: $spacing-03;
  }

  .#{$prefix}--select--inline .#{$prefix}--label {
    margin: 0 $spacing-03 0 0;
    white-space: nowrap;
  }

  .#{$prefix}--select--inline .#{$prefix}--select-input {
    background-color: transparent;
    border-block-end: none;
    color: $text-primary;
    inline-size: auto;
    padding-inline-end: $spacing-07;
    padding-inline-start: $spacing-03;
  }

  .#{$prefix}--select--inline .#{$prefix}--select-input:focus,
  .#{$prefix}--select--inline .#{$prefix}--select-input:focus option,
  .#{$prefix}--select--inline .#{$prefix}--select-input:focus optgroup {
    background-color: $background;
  }

  .#{$prefix}--select--inline .#{$prefix}--select-input[disabled],
  .#{$prefix}--select--inline .#{$prefix}--select-input[disabled]:hover {
    background-color: $field;
  }

  .#{$prefix}--select--inline .#{$prefix}--select__arrow {
    inset-inline-end: $spacing-03;
  }

  .#{$prefix}--select--inline.#{$prefix}--select--invalid
    .#{$prefix}--select-input {
    padding-inline-end: convert.to-rem(56px);
  }

  .#{$prefix}--select--inline.#{$prefix}--select--invalid
    .#{$prefix}--select-input
    ~ .#{$prefix}--select__invalid-icon {
    inset-inline-end: $spacing-07;
  }

  .#{$prefix}--select--inline .#{$prefix}--select-input:disabled {
    color: $text-disabled;
    cursor: not-allowed;

    ~ * {
      cursor: not-allowed;
    }
  }

  // readonly
  .#{$prefix}--select--readonly .#{$prefix}--select-input {
    background-color: transparent;
    border-block-end-color: $border-subtle;
    cursor: default;
  }

  .#{$prefix}--select--readonly .#{$prefix}--select__arrow {
    fill: $icon-disabled;
  }

  // Skeleton State
  .#{$prefix}--select.#{$prefix}--skeleton {
    @include skeleton;

    block-size: 2.5rem;

    inline-size: 100%;
  }

  .#{$prefix}--select.#{$prefix}--skeleton .#{$prefix}--select-input {
    display: none;
  }

  // Slug styles
  .#{$prefix}--select--slug .#{$prefix}--slug {
    position: absolute;
    inset-block-start: 50%;
    inset-inline-end: $spacing-08;
    transform: translateY(-50%);
  }

  .#{$prefix}--select--slug
    .#{$prefix}--select-input:not(:has(~ .#{$prefix}--slug--revert)) {
    @include ai-gradient;

    padding-inline-end: $spacing-10;
  }

  .#{$prefix}--select--slug.#{$prefix}--select--invalid
    .#{$prefix}--select-input,
  .#{$prefix}--select--slug.#{$prefix}--select--warning
    .#{$prefix}--select-input {
    padding-inline-end: $spacing-12;
  }

  .#{$prefix}--select--slug.#{$prefix}--select--invalid .#{$prefix}--slug,
  .#{$prefix}--select--slug.#{$prefix}--select--warning .#{$prefix}--slug {
    inset-inline-end: $spacing-10;
  }

  // Windows HCM fix
  // stylelint-disable-next-line no-duplicate-selectors
  .#{$prefix}--select__arrow {
    @include high-contrast-mode('icon-fill');
  }
}