// stylelint-disable selector-no-qualifying-type

//
// Base styles
//

.input-group
  position: relative
  display: flex
  flex-wrap: wrap

  // For form validation feedback
  align-items: stretch
  width: 100%

  > .form-control,
  > .custom-select,
  > .custom-file
    position: relative

    // For focus state's z-index
    flex: 1 1 auto

    // Add width 1% and flex-basis auto to ensure that button will not wrap out
    // the column. Applies to IE Edge+ and Firefox. Chrome does not require this.
    width: 1%
    margin-bottom: 0

    + .form-control,
    + .custom-select,
    + .custom-file
      margin-left: -$input-border-width

  // Bring the "active" form control to the top of surrounding elements
  > .form-control:focus,
  > .custom-select:focus,
  > .custom-file .custom-file-input:focus ~ .custom-file-label
    z-index: 3

  > .form-control,
  > .custom-select
    &:not(:last-child)
      +border-right-radius(0)

    &:not(:first-child)
      +border-left-radius(0)

  // Custom file inputs have more complex markup, thus requiring different
  // border-radius overrides.
  > .custom-file
    display: flex
    align-items: center

    &:not(:last-child) .custom-file-label,
    &:not(:last-child) .custom-file-label::after
      +border-right-radius(0)

    &:not(:first-child) .custom-file-label
      +border-left-radius(0)

// Prepend and append
//
// While it requires one extra layer of HTML for each, dedicated prepend and
// append elements allow us to 1) be less clever, 2) simplify our selectors, and
// 3) support HTML5 form validation.

.input-group-prepend,
.input-group-append
  display: flex

  // Ensure buttons are always above inputs for more visually pleasing borders.
  // This isn't needed for `.input-group-text` since it shares the same border-color
  // as our inputs.
  .btn
    position: relative
    z-index: 2

  .btn + .btn,
  .btn + .input-group-text,
  .input-group-text + .input-group-text,
  .input-group-text + .btn
    margin-left: -$input-border-width

.input-group-prepend
  margin-right: -$input-border-width

.input-group-append
  margin-left: -$input-border-width

// Textual addons
//
// Serves as a catch-all element for any text or radio/checkbox input you wish
// to prepend or append to an input.

.input-group-text
  display: flex
  align-items: center
  padding: $input-padding-y $input-padding-x
  margin-bottom: 0

  // Allow use of <label> elements by overriding our default margin-bottom
  font-size: $font-size-base

  // Match inputs
  font-weight: $font-weight-normal
  line-height: $input-line-height
  color: $input-group-addon-color
  text-align: center
  white-space: nowrap
  background-color: $input-group-addon-bg
  border: $input-border-width solid $input-group-addon-border-color

  +border-radius($input-border-radius)

  // Nuke default margins from checkboxes and radios to vertically center within.
  input[type="radio"],
  input[type="checkbox"]
    margin-top: 0

// Sizing
//
// Remix the default form control sizing classes into new ones for easier
// manipulation.

.input-group-lg > .form-control,
.input-group-lg > .input-group-prepend > .input-group-text,
.input-group-lg > .input-group-append > .input-group-text,
.input-group-lg > .input-group-prepend > .btn,
.input-group-lg > .input-group-append > .btn
  @extend .form-control-lg

.input-group-sm > .form-control,
.input-group-sm > .input-group-prepend > .input-group-text,
.input-group-sm > .input-group-append > .input-group-text,
.input-group-sm > .input-group-prepend > .btn,
.input-group-sm > .input-group-append > .btn
  @extend .form-control-sm

// Prepend and append rounded corners
//
// These rulesets must come after the sizing ones to properly override sm and lg
// border-radius values when extending. They're more specific than we'd like
// with the `.input-group >` part, but without it, we cannot override the sizing.

.input-group > .input-group-prepend > .btn,
.input-group > .input-group-prepend > .input-group-text,
.input-group > .input-group-append:not(:last-child) > .btn,
.input-group > .input-group-append:not(:last-child) > .input-group-text,
.input-group > .input-group-append:last-child > .btn:not(:last-child):not(.dropdown-toggle),
.input-group > .input-group-append:last-child > .input-group-text:not(:last-child)
  +border-right-radius(0)

.input-group > .input-group-append > .btn,
.input-group > .input-group-append > .input-group-text,
.input-group > .input-group-prepend:not(:first-child) > .btn,
.input-group > .input-group-prepend:not(:first-child) > .input-group-text,
.input-group > .input-group-prepend:first-child > .btn:not(:first-child),
.input-group > .input-group-prepend:first-child > .input-group-text:not(:first-child)
  +border-left-radius(0)