//

// Forms

// --------------------------------------------------

// Normalize non-controls

//

// Restyle and baseline non-control form elements.

fieldset {

  padding: 0;

  margin: 0;

  border: 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-bottom: 5px;

  font-weight: bold;

}

// Normalize form controls

// 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: 4px 0 0;

  margin-top: 1px \9; /* IE8-9 */

  line-height: normal;

}

// Set the height of select and file controls to match text inputs

input[type="file"] {

  display: block;

}

// Make multiple select elements height not fixed

select[multiple],

select[size] {

  height: auto;

}

// Fix optgroup Firefox bug per https://github.com/twbs/bootstrap/issues/7611

select optgroup {

  font-size: inherit;

  font-style: inherit;

  font-family: inherit;

}

// Focus for select, file, radio, and checkbox

input[type="file"]:focus,

input[type="radio"]:focus,

input[type="checkbox"]:focus {

  .tab-focus();

}

// Fix for Chrome number input

// Setting certain font-sizes causes the `I` bar to appear on hover of the bottom increment button.

// See https://github.com/twbs/bootstrap/issues/8350 for more.

input[type="number"] {

  &::-webkit-outer-spin-button,

  &::-webkit-inner-spin-button {

    height: auto;

  }

}

// 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;

  vertical-align: middle;

}

// Common form controls

//

// Shared size and type resets for form controls. Apply `.form-control` to any

// of the following form controls:

//

// select

// textarea

// input[type="text"]

// input[type="password"]

// input[type="datetime"]

// input[type="datetime-local"]

// input[type="date"]

// input[type="month"]

// input[type="time"]

// input[type="week"]

// input[type="number"]

// input[type="email"]

// input[type="url"]

// input[type="search"]

// input[type="tel"]

// input[type="color"]

.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;

  vertical-align: middle;

  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: @input-border-radius;

  .box-shadow(inset 0 1px 1px rgba(0,0,0,.075));

  .transition(~"border-color ease-in-out .15s, box-shadow ease-in-out .15s");

  // Customize the `:focus` state to imitate native WebKit styles.

  .form-control-focus();

  // Placeholder

  //

  // Placeholder text gets special styles because when browsers invalidate entire

  // lines if it doesn't understand a selector/

  .placeholder();

  // Disabled and read-only inputs

  // Note: 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] & {

    cursor: not-allowed;

    background-color: @input-bg-disabled;

  }

  // Reset height for `textarea`s

  textarea& {

    height: auto;

  }

}

// 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: 15px;

}

// Checkboxes and radios

//

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

.radio,

.checkbox {

  display: block;

  min-height: @line-height-computed; // clear the floating input if there is no label text

  margin-top: 10px;

  margin-bottom: 10px;

  padding-left: 20px;

  vertical-align: middle;

  label {

    display: inline;

    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"] {

  float: left;

  margin-left: -20px;

}

.radio + .radio,

.checkbox + .checkbox {

  margin-top: -5px; // Move up sibling radios or checkboxes for tighter spacing

}

// Radios and checkboxes on same line

.radio-inline,

.checkbox-inline {

  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

//

// Note: Neither radios nor checkboxes can be readonly.

input[type="radio"],

input[type="checkbox"],

.radio,

.radio-inline,

.checkbox,

.checkbox-inline {

  &[disabled],

  fieldset[disabled] & {

    cursor: not-allowed;

  }

}

// Form control sizing

.input-sm {

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

}

.input-lg {

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

}

// Form control feedback states

//

// Apply contextual and semantic states to individual form controls.

// Warning

.has-warning {

  .form-control-validation(@state-warning-text; @state-warning-text; @state-warning-bg);

}

// Error

.has-error {

  .form-control-validation(@state-danger-text; @state-danger-text; @state-danger-bg);

}

// Success

.has-success {

  .form-control-validation(@state-success-text; @state-success-text; @state-success-bg);

}

// 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 {

  margin-bottom: 0; // Remove default margin from `p`

}

// Help text

//

// Apply to any element you wish to create light text for placement immediately

// below a form control. Use for general help, formatting, or instructional text.

.help-block {

  display: block; // account for any element using help-block

  margin-top: 5px;

  margin-bottom: 10px;

  color: lighten(@text-color, 25%); // lighten the text some for contrast

}

// 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).

//

// Heads up! This is mixin-ed into `.navbar-form` in navbars.less.

.form-inline {

  // Kick in the inline

  @media (min-width: @screen-sm) {

    // Inline-block all the things for "inline"

    .form-group  {

      display: inline-block;

      margin-bottom: 0;

      vertical-align: middle;

    }

    // In navbar-form, allow folks to *not* use `.form-group`

    .form-control {

      display: inline-block;

    }

    // Override `width: 100%;` when not within a `.form-group`

    select.form-control {

      width: auto;

    }

    // Remove default margin on radios/checkboxes that were used for stacking, and

    // then undo the floating of radios and checkboxes to match (which also avoids

    // a bug in WebKit: https://github.com/twbs/bootstrap/issues/1969).

    .radio,

    .checkbox {

      display: inline-block;

      margin-top: 0;

      margin-bottom: 0;

      padding-left: 0;

    }

    .radio input[type="radio"],

    .checkbox input[type="checkbox"] {

      float: none;

      margin-left: 0;

    }

  }

}

// Horizontal forms

//

// Horizontal forms are built on grid classes and allow you to create forms with

// labels on the left and inputs on the right.

.form-horizontal {

  // Consistent vertical alignment of labels, radios, and checkboxes

  .control-label,

  .radio,

  .checkbox,

  .radio-inline,

  .checkbox-inline {

    margin-top: 0;

    margin-bottom: 0;

    padding-top: (@padding-base-vertical + 1); // Default padding plus a border

  }

  // Account for padding we're adding to ensure the alignment and of help text

  // and other content below items

  .radio,

  .checkbox {

    min-height: @line-height-computed + (@padding-base-vertical + 1);

  }

  // Make form groups behave like rows

  .form-group {

    .make-row();

  }

  .form-control-static {

    padding-top: (@padding-base-vertical + 1);

  }

  // Only right align form labels here when the columns stop stacking

  @media (min-width: @screen-sm-min) {

    .control-label {

      text-align: right;

    }

  }

}