--- /dev/null
+// stylelint-disable selector-no-qualifying-type
+
+//
+// Textual form controls
+//
+
+.form-control {
+ display: block;
+ width: 100%;
+ height: $input-height;
+ padding: $input-padding-y $input-padding-x;
+ font-size: $font-size-base;
+ line-height: $input-line-height;
+ color: $input-color;
+ background-color: $input-bg;
+ background-clip: padding-box;
+ border: $input-border-width solid $input-border-color;
+
+ // Note: This has no effect on <select>s in some browsers, due to the limited stylability of `<select>`s in CSS.
+ @if $enable-rounded {
+ // Manually use the if/else instead of the mixin to account for iOS override
+ border-radius: $input-border-radius;
+ } @else {
+ // Otherwise undo the iOS default
+ border-radius: 0;
+ }
+
+ @include box-shadow($input-box-shadow);
+ @include transition($input-transition);
+
+ // Unstyle the caret on `<select>`s in IE10+.
+ &::-ms-expand {
+ background-color: transparent;
+ border: 0;
+ }
+
+ // Customize the `:focus` state to imitate native WebKit styles.
+ @include form-control-focus();
+
+ // Placeholder
+ &::placeholder {
+ color: $input-placeholder-color;
+ // Override Firefox's unusual default opacity; see https://github.com/twbs/bootstrap/pull/11526.
+ opacity: 1;
+ }
+
+ // Disabled and read-only inputs
+ //
+ // HTML5 says that controls under a fieldset > legend:first-child won't be
+ // disabled if the fieldset is disabled. Due to implementation difficulty, we
+ // don't honor that edge case; we style them as disabled anyway.
+ &:disabled,
+ &[readonly] {
+ background-color: $input-disabled-bg;
+ // iOS fix for unreadable disabled content; see https://github.com/twbs/bootstrap/issues/11655.
+ opacity: 1;
+ }
+}
+
+select.form-control {
+ &:focus::-ms-value {
+ // Suppress the nested default white text on blue background highlight given to
+ // the selected option text when the (still closed) <select> receives focus
+ // in IE and (under certain conditions) Edge, as it looks bad and cannot be made to
+ // match the appearance of the native widget.
+ // See https://github.com/twbs/bootstrap/issues/19398.
+ color: $input-color;
+ background-color: $input-bg;
+ }
+}
+
+// Make file inputs better match text inputs by forcing them to new lines.
+.form-control-file,
+.form-control-range {
+ display: block;
+ width: 100%;
+}
+
+
+//
+// Labels
+//
+
+// For use with horizontal and inline forms, when you need the label (or legend)
+// text to align with the form controls.
+.col-form-label {
+ padding-top: calc(#{$input-padding-y} + #{$input-border-width});
+ padding-bottom: calc(#{$input-padding-y} + #{$input-border-width});
+ margin-bottom: 0; // Override the `<label>/<legend>` default
+ font-size: inherit; // Override the `<legend>` default
+ line-height: $input-line-height;
+}
+
+.col-form-label-lg {
+ padding-top: calc(#{$input-padding-y-lg} + #{$input-border-width});
+ padding-bottom: calc(#{$input-padding-y-lg} + #{$input-border-width});
+ font-size: $font-size-lg;
+ line-height: $input-line-height-lg;
+}
+
+.col-form-label-sm {
+ padding-top: calc(#{$input-padding-y-sm} + #{$input-border-width});
+ padding-bottom: calc(#{$input-padding-y-sm} + #{$input-border-width});
+ font-size: $font-size-sm;
+ line-height: $input-line-height-sm;
+}
+
+
+// Readonly controls as plain text
+//
+// Apply class to a readonly input to make it appear like regular plain
+// text (without any border, background color, focus indicator)
+
+.form-control-plaintext {
+ display: block;
+ width: 100%;
+ padding-top: $input-padding-y;
+ padding-bottom: $input-padding-y;
+ margin-bottom: 0; // match inputs if this class comes on inputs with default margins
+ line-height: $input-line-height;
+ color: $input-plaintext-color;
+ background-color: transparent;
+ border: solid transparent;
+ border-width: $input-border-width 0;
+
+ &.form-control-sm,
+ &.form-control-lg {
+ padding-right: 0;
+ padding-left: 0;
+ }
+}
+
+
+// Form control sizing
+//
+// Build on `.form-control` with modifier classes to decrease or increase the
+// height and font-size of form controls.
+//
+// Repeated in `_input_group.scss` to avoid Sass extend issues.
+
+.form-control-sm {
+ height: $input-height-sm;
+ padding: $input-padding-y-sm $input-padding-x-sm;
+ font-size: $font-size-sm;
+ line-height: $input-line-height-sm;
+ @include border-radius($input-border-radius-sm);
+}
+
+.form-control-lg {
+ height: $input-height-lg;
+ padding: $input-padding-y-lg $input-padding-x-lg;
+ font-size: $font-size-lg;
+ line-height: $input-line-height-lg;
+ @include border-radius($input-border-radius-lg);
+}
+
+// stylelint-disable no-duplicate-selectors
+select.form-control {
+ &[size],
+ &[multiple] {
+ height: auto;
+ }
+}
+
+textarea.form-control {
+ height: auto;
+}
+// stylelint-enable no-duplicate-selectors
+
+// Form groups
+//
+// Designed to help with the organization and spacing of vertical forms. For
+// horizontal forms, use the predefined grid classes.
+
+.form-group {
+ margin-bottom: $form-group-margin-bottom;
+}
+
+.form-text {
+ display: block;
+ margin-top: $form-text-margin-top;
+}
+
+
+// Form grid
+//
+// Special replacement for our grid system's `.row` for tighter form layouts.
+
+.form-row {
+ display: flex;
+ flex-wrap: wrap;
+ margin-right: -5px;
+ margin-left: -5px;
+
+ > .col,
+ > [class*="col-"] {
+ padding-right: 5px;
+ padding-left: 5px;
+ }
+}
+
+
+// Checkboxes and radios
+//
+// Indent the labels to position radios/checkboxes as hanging controls.
+
+.form-check {
+ position: relative;
+ display: block;
+ padding-left: $form-check-input-gutter;
+}
+
+.form-check-input {
+ position: absolute;
+ margin-top: $form-check-input-margin-y;
+ margin-left: -$form-check-input-gutter;
+
+ &:disabled ~ .form-check-label {
+ color: $text-muted;
+ }
+}
+
+.form-check-label {
+ margin-bottom: 0; // Override default `<label>` bottom margin
+}
+
+.form-check-inline {
+ display: inline-flex;
+ align-items: center;
+ padding-left: 0; // Override base .form-check
+ margin-right: $form-check-inline-margin-x;
+
+ // Undo .form-check-input defaults and add some `margin-right`.
+ .form-check-input {
+ position: static;
+ margin-top: 0;
+ margin-right: $form-check-inline-input-margin-x;
+ margin-left: 0;
+ }
+}
+
+
+// Form validation
+//
+// Provide feedback to users when form field values are valid or invalid. Works
+// primarily for client-side validation via scoped `:invalid` and `:valid`
+// pseudo-classes but also includes `.is-invalid` and `.is-valid` classes for
+// server side validation.
+
+@include form-validation-state("valid", $form-feedback-valid-color);
+@include form-validation-state("invalid", $form-feedback-invalid-color);
+
+// Inline forms
+//
+// Make forms appear inline(-block) by adding the `.form-inline` class. Inline
+// forms begin stacked on extra small (mobile) devices and then go inline when
+// viewports reach <768px.
+//
+// Requires wrapping inputs and labels with `.form-group` for proper display of
+// default HTML form controls and our custom form controls (e.g., input groups).
+
+.form-inline {
+ display: flex;
+ flex-flow: row wrap;
+ align-items: center; // Prevent shorter elements from growing to same height as others (e.g., small buttons growing to normal sized button height)
+
+ // Because we use flex, the initial sizing of checkboxes is collapsed and
+ // doesn't occupy the full-width (which is what we want for xs grid tier),
+ // so we force that here.
+ .form-check {
+ width: 100%;
+ }
+
+ // Kick in the inline
+ @include media-breakpoint-up(sm) {
+ label {
+ display: flex;
+ align-items: center;
+ justify-content: center;
+ margin-bottom: 0;
+ }
+
+ // Inline-block all the things for "inline"
+ .form-group {
+ display: flex;
+ flex: 0 0 auto;
+ flex-flow: row wrap;
+ align-items: center;
+ margin-bottom: 0;
+ }
+
+ // Allow folks to *not* use `.form-group`
+ .form-control {
+ display: inline-block;
+ width: auto; // Prevent labels from stacking above inputs in `.form-group`
+ vertical-align: middle;
+ }
+
+ // Make static controls behave like regular ones
+ .form-control-plaintext {
+ display: inline-block;
+ }
+
+ .input-group,
+ .custom-select {
+ width: auto;
+ }
+
+ // Remove default margin on radios/checkboxes that were used for stacking, and
+ // then undo the floating of radios and checkboxes to match.
+ .form-check {
+ display: flex;
+ align-items: center;
+ justify-content: center;
+ width: auto;
+ padding-left: 0;
+ }
+ .form-check-input {
+ position: relative;
+ margin-top: 0;
+ margin-right: $form-check-input-margin-x;
+ margin-left: 0;
+ }
+
+ .custom-control {
+ align-items: center;
+ justify-content: center;
+ }
+ .custom-control-label {
+ margin-bottom: 0;
+ }
+ }
+}
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