//
// Forms
// --------------------------------------------------

// Normalize non-controls
//
// Restyle and baseline non-control form elements.

fieldset {
  padding: 0;
  margin: 0;
  border: 0;
  // Chrome and Firefox set a `min-width: min-content;` on fieldsets,
  // so we reset that to ensure it behaves more like a standard block element.
  // See https://github.com/twbs/bootstrap/issues/12359.
  min-width: 0;
}

legend {
  display: block;
  width: 100%;
  padding: 0;
  margin-bottom: @line-height-computed;
  font-size: (@font-size-base * 1.5);
  line-height: inherit;
  color: @legend-color;
  border: 0;
  border-bottom: 1px solid @legend-border-color;
}

label {
  display: inline-block;
  margin-top: @space-sm;
  margin-bottom: @space-xs;
  font-weight: 500;
  font-size: @font-size-bump;
  small {
    font-weight: 300;
    font-size: 1em;
  }
}

// Normalize form controls
//
// While most of our form styles require extra classes, some basic normalization
// is required to ensure optimum display with or without those classes to better
// address browser inconsistencies.

// Override content-box in Normalize (* isn't specific enough)
input[type="search"] {
  .box-sizing(border-box);
}

// Position radios and checkboxes better
input[type="radio"],
input[type="checkbox"] {
  margin: 3px 0 0;
  line-height: normal;
}

input[type="file"] {
  display: block;
}

// Make range inputs behave like textual form controls
input[type="range"] {
  display: block;
  width: 100%;
}

// Make multiple select elements height not fixed
select[multiple],
select[size] {
  height: auto;
}

// Focus for file, radio, and checkbox
input[type="file"]:focus,
input[type="radio"]:focus,
input[type="checkbox"]:focus {
  .tab-focus();
}

// Adjust output element
output {
  display: block;
  padding-top: (@padding-base-vertical + 1);
  font-size: @font-size-base;
  line-height: @line-height-base;
  color: @input-color;
}

// Common form controls
label + .form-control,
label + input,
label + textarea,
.account-help-icon + .btn,
.account-help-icon + textarea,
.account-help-icon + input {
  margin-top: 0;
}

.form-control {
  display: block;
  width: 100%;
  height: @input-height-base; // Make inputs at least the height of their button counterpart (base line-height + padding + border)
  padding: @padding-base-vertical @padding-base-horizontal;
  font-size: @font-size-base;
  line-height: @line-height-base;
  color: @input-color;
  background-color: @input-bg;
  background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214
  border: 1px solid @input-border;
  border-radius: @border-radius; // Note: This has no effect on <select>s in some browsers, due to the limited stylability of <select>s in CSS.
  margin-top: .5rem;
  margin-bottom: .5rem;
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075);
  transition: @transition;

  &:focus {
    border-color: @input-border-focus;
    outline: 0;
    box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075), 0 0 2px fadeout(@brand-primary, 50%);
  }

  // Placeholder
  .placeholder();

  // 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],
  fieldset[disabled] & {
    background-color: #efefef;
    opacity: 1; // iOS fix for unreadable disabled content; see https://github.com/twbs/bootstrap/issues/11655
    cursor: text !important;
  }

  &[disabled],
  fieldset[disabled] & {
    cursor: @cursor-disabled;
  }

  // Reset height for `textarea`s
  textarea& {
    height: auto;
  }
}

input[readonly] {
  background-color: #efefef;
  cursor: text !important;
}

// Search inputs in iOS
//
// This overrides the extra rounded corners on search inputs in iOS so that our
// `.form-control` class can properly style them. Note that this cannot simply
// be added to `.form-control` as it's not specific enough. For details, see
// https://github.com/twbs/bootstrap/issues/11586.

input[type="search"] {
  -webkit-appearance: none;
}

// Special styles for iOS temporal inputs
//
// In Mobile Safari, setting `display: block` on temporal inputs causes the
// text within the input to become vertically misaligned. As a workaround, we
// set a pixel line-height that matches the given height of the input, but only
// for Safari. See https://bugs.webkit.org/show_bug.cgi?id=139848
//
// Note that as of 8.3, iOS doesn't support `datetime` or `week`.

@media screen and (-webkit-min-device-pixel-ratio: 0) {
  input[type="date"],
  input[type="time"],
  input[type="datetime-local"],
  input[type="month"] {
    &.form-control {
      line-height: @input-height-base;
    }

    &.input-sm,
    .input-group-sm & {
      line-height: @input-height-small;
    }

    &.input-lg,
    .input-group-lg & {
      line-height: @input-height-large;
    }
  }
}

// Form groups
//
// Designed to help with the organization and spacing of vertical forms. For
// horizontal forms, use the predefined grid classes.

.form-group {
  margin-top: @form-group-margin-bottom;
  margin-bottom: @form-group-margin-bottom;
  display: block;
}

// Checkboxes and radios
//
// Indent the labels to position radios/checkboxes as hanging controls.

.radio,
.checkbox {
  position: relative;
  display: block;
  margin: 15px 0;

  label {
    min-height: @line-height-computed; // Ensure the input doesn't jump when there is no text
    padding-left: 20px;
    padding-right: 15px;
    margin-bottom: 0;
    font-weight: normal;
    cursor: pointer;
  }
}

.radio input[type="radio"],
.radio-inline input[type="radio"],
.checkbox input[type="checkbox"],
.checkbox-inline input[type="checkbox"] {
  margin-left: -20px;
}

input[type=radio] {
  margin-right: 5px;
}

// Radios and checkboxes on same line
.radio-inline,
.checkbox-inline {
  position: relative;
  display: inline-block;
  padding-left: 20px;
  margin-bottom: 0;
  vertical-align: middle;
  font-weight: normal;
  cursor: pointer;
}

.radio-inline + .radio-inline,
.checkbox-inline + .checkbox-inline {
  margin-top: 0;
  margin-left: 10px; // space out consecutive inline controls
}

// Apply same disabled cursor tweak as for inputs
// Some special care is needed because <label>s don't inherit their parent's `cursor`.
//
// Note: Neither radios nor checkboxes can be readonly.
input[type="radio"],
input[type="checkbox"] {
  &[disabled],
  &.disabled,
  fieldset[disabled] & {
    cursor: @cursor-disabled;
  }
}

// These classes are used directly on <label>s
.radio-inline,
.checkbox-inline {
  &.disabled,
  fieldset[disabled] & {
    cursor: @cursor-disabled;
  }
}

// These classes are used on elements with <label> descendants
.radio,
.checkbox {
  &.disabled,
  fieldset[disabled] & {
    label {
      cursor: @cursor-disabled;
    }
  }
}

// Static form control text
//
// Apply class to a `p` element to make any string of text align with labels in
// a horizontal form layout.

.form-control-static {
  padding-top: (@padding-base-vertical + 1);
  padding-bottom: (@padding-base-vertical + 1);
  margin-bottom: 0;
  min-height: (@line-height-computed + @font-size-base);

  &.input-lg,
  &.input-sm {
    padding-left: 0;
    padding-right: 0;
  }
}

// Form control sizing
//
// Build on `.form-control` with modifier classes to decrease or increase the
// height and font-size of form controls.
//
// The `.form-group-* form-control` variations are sadly duplicated to avoid the
// issue documented in https://github.com/twbs/bootstrap/issues/15074.

.input-sm {
  .input-size(@input-height-small; @padding-small-vertical; @padding-small-horizontal; @font-size-small; @line-height-small; @border-radius);
}

.form-group-sm {
  .form-control {
    height: @input-height-small;
    padding: @padding-small-vertical @padding-small-horizontal;
    font-size: @font-size-small;
    line-height: @line-height-small;
    border-radius: @border-radius;
  }
  select.form-control {
    height: @input-height-small;
    line-height: @input-height-small;
  }
  textarea.form-control,
  select[multiple].form-control {
    height: auto;
  }
  .form-control-static {
    height: @input-height-small;
    min-height: (@line-height-computed + @font-size-small);
    padding: (@padding-small-vertical + 1) @padding-small-horizontal;
    font-size: @font-size-small;
    line-height: @line-height-small;
  }
}

.input-lg {
  .input-size(@input-height-large; @padding-large-vertical; @padding-large-horizontal; @font-size-large; @line-height-large; @border-radius);
}

.form-group-lg {
  .form-control {
    height: @input-height-large;
    padding: @padding-large-vertical @padding-large-horizontal;
    font-size: @font-size-large;
    line-height: @line-height-large;
    border-radius: @border-radius;
  }
  select.form-control {
    height: @input-height-large;
    line-height: @input-height-large;
  }
  textarea.form-control,
  select[multiple].form-control {
    height: auto;
  }
  .form-control-static {
    height: @input-height-large;
    min-height: (@line-height-computed + @font-size-large);
    padding: (@padding-large-vertical + 1) @padding-large-horizontal;
    font-size: @font-size-large;
    line-height: @line-height-large;
  }
}

// Custom Angular Form Validators
.form-control.is-valid {
  border-color: lighten(@brand-success, 15%);
  outline: 0;
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075), 0 0 2px fadeout(@brand-success, 50%);
}

.form-control.is-invalid {
  border-color: lighten(@brand-danger, 15%);
  outline: 0;
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075), 0 0 2px fadeout(@brand-danger, 50%);
}