@use "../../core/settings" as *;
@use "../../core/tools" as *;
@use "../../core/helpers" as *;

////
/// Fieldset component
///
/// @group components/fieldset
////

@include nhsuk-exports("nhsuk/components/fieldset") {
  .nhsuk-fieldset {
    min-width: 0;
    margin: 0;
    padding: 0;
    border: 0;
    @include nhsuk-clearfix;
  }

  // Fix for Firefox < 53 (https://bugzil.la/504622)
  // stylelint-disable selector-type-no-unknown -- Ignore 'x:-moz-any-link'
  @supports not (caret-color: auto) {
    .nhsuk-fieldset,
    x:-moz-any-link {
      display: table-cell;
    }
  }
  // stylelint-enable selector-type-no-unknown

  .nhsuk-fieldset__legend {
    // Fix legend text wrapping in Edge and IE
    // 1. IE9-11 & Edge 12-13
    // 2. IE8-11
    box-sizing: border-box; // 1

    display: table; // 2

    max-width: 100%; // 1
    margin-bottom: nhsuk-spacing(2);
    padding: 0;

    white-space: normal; // 1

    @include nhsuk-text-colour;
    @include nhsuk-font($size: 19);
  }

  // Modifiers that make legends look more like their equivalent headings
  .nhsuk-fieldset__legend--xl,
  .nhsuk-fieldset__legend--l,
  .nhsuk-fieldset__legend--m {
    margin-bottom: nhsuk-spacing(3);
    @include nhsuk-font-weight-bold;
  }

  .nhsuk-fieldset__legend--xl {
    @include nhsuk-font-size($size: 48);
  }

  .nhsuk-fieldset__legend--l {
    @include nhsuk-font-size($size: 36);
  }

  .nhsuk-fieldset__legend--m {
    @include nhsuk-font-size($size: 26);
  }

  .nhsuk-fieldset__legend--s {
    @include nhsuk-font-weight-bold;
  }

  p,
  .nhsuk-body-m,
  .nhsuk-body-s,
  .nhsuk-body,
  ol,
  ul,
  .nhsuk-list {
    &:has(+ .nhsuk-fieldset > .nhsuk-fieldset__legend:first-child),
    &:has(+ .nhsuk-form-group > .nhsuk-fieldset:first-child > .nhsuk-fieldset__legend:first-child) {
      margin-bottom: nhsuk-spacing(3) + nhsuk-spacing(1);

      @media #{nhsuk-from-breakpoint(tablet)} {
        margin-bottom: nhsuk-spacing(4) + nhsuk-spacing(2);
      }
    }
  }

  .nhsuk-body-l {
    &:has(+ .nhsuk-fieldset > .nhsuk-fieldset__legend:first-child),
    &:has(+ .nhsuk-form-group > .nhsuk-fieldset:first-child > .nhsuk-fieldset__legend:first-child) {
      margin-bottom: nhsuk-spacing(4);

      @media #{nhsuk-from-breakpoint(tablet)} {
        margin-bottom: nhsuk-spacing(5);
      }
    }

    &:has(+ .nhsuk-fieldset > .nhsuk-fieldset__legend--m:first-child),
    &:has(+ .nhsuk-fieldset > .nhsuk-fieldset__legend--l:first-child),
    &:has(+ .nhsuk-form-group > .nhsuk-fieldset:first-child > .nhsuk-fieldset__legend--m:first-child),
    &:has(+ .nhsuk-form-group > .nhsuk-fieldset:first-child > .nhsuk-fieldset__legend--l:first-child) {
      margin-bottom: nhsuk-spacing(4) + nhsuk-spacing(1);

      @media #{nhsuk-from-breakpoint(tablet)} {
        margin-bottom: nhsuk-spacing(5) + nhsuk-spacing(2);
      }
    }
  }

  // When the legend contains an H1, we want the H1 to inherit all styles from
  // the legend. Effectively treat the heading as if it is not there.
  .nhsuk-fieldset__heading {
    margin: 0;
    font-size: inherit;
    font-weight: inherit;
    line-height: inherit;
  }
}