_modal.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';
@use '../../config' as *;
@use '../../breakpoint' as *;
@use '../../motion' as *;
@use '../../spacing' as *;
@use '../../theme' as *;
@use '../../type' as *;
@use '../../utilities/ai-gradient' as *;
@use '../../utilities/convert';
@use '../../utilities/component-reset';
@use '../../utilities/focus-outline' as *;
@use '../../utilities/high-contrast-mode' as *;
@use '../../utilities/z-index' as *;

/// Modal styles
/// @access public
/// @group modal
@mixin modal {
  .#{$prefix}--modal {
    position: fixed;
    z-index: z('modal');
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: $overlay;
    block-size: 100vh;
    content: '';
    inline-size: 100vw;
    inset-block-start: 0;
    inset-inline-start: 0;
    opacity: 0;
    transition: opacity $duration-moderate-02 motion(exit, expressive),
      visibility 0ms linear $duration-moderate-02;
    visibility: hidden;

    &.is-visible {
      opacity: 1;
      transition: opacity $duration-moderate-02 motion(entrance, expressive),
        visibility 0ms linear;
      visibility: inherit;

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

    // V11: Question for design: do we have an updated tokens for fields that exist on `layer`?
    .#{$prefix}--pagination,
    .#{$prefix}--pagination__control-buttons,
    .#{$prefix}--text-input,
    .#{$prefix}--text-area,
    .#{$prefix}--search-input,
    .#{$prefix}--select-input,
    .#{$prefix}--dropdown,
    .#{$prefix}--dropdown-list,
    .#{$prefix}--number input[type='number'],
    .#{$prefix}--date-picker__input,
    .#{$prefix}--multi-select,
    .#{$prefix}--number__control-btn::before,
    .#{$prefix}--number__control-btn::after,
    .#{$prefix}--list-box input[role='combobox'] {
      background-color: $field-02;
    }

    // Override to align layer token with field
    .#{$prefix}--list-box__menu {
      background-color: $layer-02;
    }

    .#{$prefix}--number__rule-divider {
      background-color: $border-subtle-02;
    }

    .#{$prefix}--list-box__menu-item__option {
      border-block-start-color: $border-subtle-02;
    }

    .#{$prefix}--list-box__menu-item:hover
      .#{$prefix}--list-box__menu-item__option {
      border-block-start-color: $layer-hover-02;
    }

    .#{$prefix}--list-box__menu-item--active:hover
      .#{$prefix}--list-box__menu-item__option {
      border-block-start-color: $layer-selected-hover-02;
    }

    // Fluid inputs
    .#{$prefix}--text-input--fluid .#{$prefix}--text-input,
    .#{$prefix}--text-area--fluid .#{$prefix}--text-area__wrapper,
    .#{$prefix}--text-area--fluid .#{$prefix}--text-area,
    .#{$prefix}--search--fluid .#{$prefix}--search-input,
    .#{$prefix}--select--fluid .#{$prefix}--select-input,
    .#{$prefix}--text-area--fluid
      .#{$prefix}--text-area__wrapper[data-invalid]
      .#{$prefix}--text-area__divider
      + .#{$prefix}--form-requirement,
    .#{$prefix}--list-box__wrapper--fluid .#{$prefix}--list-box,
    .#{$prefix}--list-box__wrapper--fluid.#{$prefix}--list-box__wrapper,
    .#{$prefix}--number-input--fluid input[type='number'],
    .#{$prefix}--number-input--fluid .#{$prefix}--number__control-btn::before,
    .#{$prefix}--number-input--fluid .#{$prefix}--number__control-btn::after,
    .#{$prefix}--date-picker--fluid
      .c#{$prefix}ds--date-picker-input__wrapper
      .#{$prefix}--date-picker__input {
      background-color: $field-01;
    }

    // Override to align layer token with field
    .#{$prefix}--list-box__wrapper--fluid .#{$prefix}--list-box__menu {
      background-color: $layer-01;
    }

    .#{$prefix}--list-box__menu-item:hover {
      background-color: $layer-hover-02;
    }

    .#{$prefix}--list-box__menu-item--active {
      background-color: $layer-selected-02;
    }

    .#{$prefix}--list-box__menu-item--active:hover {
      background-color: $layer-selected-hover-02;
    }

    .#{$prefix}--number-input--fluid
      .#{$prefix}--number__control-btn:hover::before,
    .#{$prefix}--number-input--fluid
      .#{$prefix}--number__control-btn:hover::after {
      background-color: $field-hover;
    }

    .#{$prefix}--number-input--fluid
      .#{$prefix}--number__control-btn:focus::before,
    .#{$prefix}--number-input--fluid
      .#{$prefix}--number__control-btn:focus::after {
      border-inline-start: 2px solid $focus;
    }
  }

  .#{$prefix}--modal.is-visible .#{$prefix}--modal-container {
    transform: translate3d(0, 0, 0);
    transition: transform $duration-moderate-02 motion(entrance, expressive);
  }

  // -----------------------------
  // Modal container
  // -----------------------------
  .#{$prefix}--modal-container {
    position: fixed;
    display: grid;
    background-color: $layer;
    block-size: 100%;
    grid-template-columns: 100%;
    grid-template-rows: auto 1fr auto;
    inline-size: 100%;
    inset-block-start: 0;
    max-block-size: 100%;
    // make modal edge visible on high contrast themes (#3880)
    outline: 3px solid transparent;
    outline-offset: -3px;
    transform: translate3d(0, -24px, 0);
    transform-origin: top center;
    transition: transform $duration-moderate-02 motion(exit, expressive);

    @include breakpoint(md) {
      position: static;
      block-size: auto;
      inline-size: 84%;
      max-block-size: 90%;
    }

    @include breakpoint(lg) {
      inline-size: 60%;
      max-block-size: 84%;
    }

    @include breakpoint(xlg) {
      inline-size: 48%;
    }

    .#{$prefix}--modal-container-body {
      display: contents;
    }
  }

  // -----------------------------
  // Modal content
  // -----------------------------
  .#{$prefix}--modal-content {
    @include type-style('body-01');

    position: relative;
    color: $text-primary;
    font-weight: 400;
    grid-column: 1/-1;
    grid-row: 2/-2;
    overflow-y: auto;
    padding-block-end: $spacing-09;
    // Required to accommodate focus outline's negative offset:
    padding-block-start: $spacing-03;
    // anything besides text/p spans full width, with just 16px padding
    padding-inline-end: $spacing-05;
    padding-inline-start: $spacing-05;

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

  // fluid form in modal
  .#{$prefix}--modal-content .#{$prefix}--form--fluid {
    margin-inline-end: -$spacing-05;
    margin-inline-start: -$spacing-05;
  }

  //TO-DO: remove .#{$prefix}--modal-content__regular-content in v11 since hasForm has been deprecated
  // text/p gets 20% right padding
  .#{$prefix}--modal-content > p,
  .#{$prefix}--modal-content__regular-content {
    @include type-style('body-01');
    // padding should take into account the left and right padding of modal container
    padding-inline-end: calc(20% - $spacing-07);
  }

  //TO-DO: remove .#{$prefix}--modal-content--with-form in v11 since hasForm has been deprecated\
  // anything besides text/p spans full width, with just 16px padding
  .#{$prefix}--modal-content--with-form {
    padding-inline-end: $spacing-05;
  }

  // -----------------------------
  // Modal header
  // -----------------------------
  .#{$prefix}--modal-header {
    grid-column: 1/-1;
    grid-row: 1/1;
    margin-block-end: $spacing-03;
    padding-block-start: $spacing-05;
    padding-inline-end: $spacing-09;
    padding-inline-start: $spacing-05;
  }

  .#{$prefix}--modal-header__label {
    @include component-reset.reset;
    @include type-style('label-01');

    color: $text-secondary;
    margin-block-end: $spacing-02;
  }

  .#{$prefix}--modal-header__heading {
    @include component-reset.reset;
    @include type-style('heading-03');

    color: $text-primary;
    // padding should take into account the left and right padding of modal container
    padding-inline-end: calc(20% - $spacing-09);
  }

  // -----------------------------
  // XS Modal
  // -----------------------------
  .#{$prefix}--modal-container--xs {
    //text always spans full width in xs modals
    .#{$prefix}--modal-content__regular-content {
      padding-inline-end: $spacing-05;
    }

    .#{$prefix}--modal-content > p {
      //.#{$prefix}--modal-content already has 16px padding so this doesn't need any
      padding-inline-end: 0;
    }

    @include breakpoint(md) {
      inline-size: 48%;
    }

    @include breakpoint(lg) {
      inline-size: 32%;
      max-block-size: 48%;
    }

    @include breakpoint(xlg) {
      inline-size: 24%;
    }
  }

  // -----------------------------
  // SM Modal
  // -----------------------------
  .#{$prefix}--modal-container--sm {
    //text spans full width in sm modals below 1056
    .#{$prefix}--modal-content__regular-content {
      padding-inline-end: $spacing-05;
    }

    .#{$prefix}--modal-content > p {
      //.#{$prefix}--modal-content already has 16px padding so this doesn't need any
      padding-inline-end: 0;
    }

    @include breakpoint(md) {
      inline-size: 60%;
    }

    @include breakpoint(lg) {
      inline-size: 42%;
      max-block-size: 72%;

      .#{$prefix}--modal-content > p,
      .#{$prefix}--modal-content__regular-content {
        padding-inline-end: 20%;
      }
    }

    @include breakpoint(xlg) {
      inline-size: 36%;
    }
  }

  // -----------------------------
  // LG Modal
  // -----------------------------
  .#{$prefix}--modal-container--lg {
    @include breakpoint(md) {
      inline-size: 96%;
    }

    @include breakpoint(lg) {
      inline-size: 84%;
      max-block-size: 96%;
    }

    @include breakpoint(xlg) {
      inline-size: 72%;
    }
  }

  // -----------------------------
  // Modal overflow
  // -----------------------------
  .#{$prefix}--modal-scroll-content {
    // Required to accommodate focus outline's negative offset when scrolling in Chrome
    border-block-end: 2px solid transparent;
    mask-image: linear-gradient(
        to bottom,
        $layer calc(100% - 80px),
        transparent calc(100% - 48px),
        transparent 100%
      ),
      linear-gradient(to left, $layer 0, 16px, transparent 16px),
      linear-gradient(to right, $layer 0, 2px, transparent 2px),
      linear-gradient(to top, $layer 0, 2px, transparent 2px);
  }

  // Required so overflow-indicator disappears at end of content
  .#{$prefix}--modal-scroll-content > *:last-child {
    padding-block-end: $spacing-06;
  }

  // -----------------------------
  // Modal footer
  // -----------------------------
  .#{$prefix}--modal-footer {
    display: flex;
    justify-content: flex-end;
    block-size: convert.to-rem(64px);
    grid-column: 1/-1;
    grid-row: -1/-1;
    margin-block-start: auto;
  }

  .#{$prefix}--modal-footer .#{$prefix}--btn {
    flex: 0 1 50%;
    align-items: baseline;
    margin: 0;
    block-size: convert.to-rem(64px);
    max-inline-size: none;
    padding-block-end: $spacing-07;
    padding-block-start: calc($spacing-05 - convert.to-rem(2px));
  }

  .#{$prefix}--modal-footer--three-button .#{$prefix}--btn {
    flex: 0 1 25%;
    align-items: flex-start;
  }

  // -----------------------------
  // Modal close btn
  // -----------------------------

  .#{$prefix}--modal-close-button {
    position: absolute;
    inset-block-start: 0;
    inset-inline-end: 0;
  }

  .#{$prefix}--modal-close {
    padding: convert.to-rem(12px);
    border: 2px solid transparent;
    background-color: transparent;
    block-size: 3rem;
    cursor: pointer;
    inline-size: 3rem;
    transition: background-color $duration-fast-02 motion(standard, productive);

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

    &:focus {
      border-color: $focus;
      outline: none;
    }
  }

  .#{$prefix}--modal-close::-moz-focus-inner {
    border: 0;
  }

  .#{$prefix}--modal-close__icon {
    block-size: convert.to-rem(20px);
    fill: $icon-primary;
    inline-size: convert.to-rem(20px);
  }

  .#{$prefix}--body--with-modal-open {
    overflow: hidden;
  }

  .#{$prefix}--body--with-modal-open .#{$prefix}--modal .#{$prefix}--tooltip,
  .#{$prefix}--body--with-modal-open
    .#{$prefix}--modal
    .#{$prefix}--overflow-menu-options {
    z-index: z('modal');
  }

  // Fluid Modal (No padding)
  .#{$prefix}--modal-container--full-width .#{$prefix}--modal-content {
    padding: 0;
    margin: 0;
  }

  // Slug styles
  .#{$prefix}--modal--slug .#{$prefix}--modal-container {
    @include callout-gradient();

    background-color: $layer;
  }

  // Start the gradient 64px from bottom only when two buttons are present
  .#{$prefix}--modal--slug
    .#{$prefix}--modal-container:has(
      .#{$prefix}--btn-set:not(.#{$prefix}--modal-footer--three-button)
        > button:not(:only-child)
    ) {
    @include callout-gradient('default', 64px);

    background-color: $layer;
  }

  .#{$prefix}--modal--slug .#{$prefix}--slug {
    position: absolute;
    inset-block-start: 0;
    inset-inline-end: 0;
  }

  .#{$prefix}--modal-header
    > .#{$prefix}--slug:has(+ .#{$prefix}--modal-close-button),
  .#{$prefix}--modal-header
    > .#{$prefix}--modal-close-button
    ~ .#{$prefix}--slug,
  .#{$prefix}--modal--slug
    .#{$prefix}--modal-container-body
    > .#{$prefix}--slug {
    inset-inline-end: convert.to-rem(48px);
  }

  // Windows HCM fix
  /* stylelint-disable */
  .#{$prefix}--modal-close__icon {
    @include high-contrast-mode('icon-fill');
  }

  .#{$prefix}--modal-close:focus {
    @include high-contrast-mode('focus');
  }
  /* stylelint-enable */
}