// // 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: -webkit-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-bottom: 5px;
font-weight: bold;

}

// 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 {

.box-sizing(border-box);

}

// Position radios and checkboxes better input, input {

margin: 4px 0 0;
margin-top: 1px \9; /* IE8-9 */
line-height: normal;

}

// Set the height of file controls to match text inputs input {

display: block;

}

// Make range inputs behave like textual form controls input {

display: block;
width: 100%;

}

// Make multiple select elements height not fixed select, select {

height: auto;

}

// Focus for file, radio, and checkbox input:focus, input:focus, input: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 // // Shared size and type resets for form controls. Apply `.form-control` to any // of the following form controls: // // select // textarea // input // input // input // input // input // input // input // input // input // input // input // input // input // input

.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: @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();

// 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;
  opacity: 1; // iOS fix for unreadable disabled content
}

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

}

// Special styles for iOS date input // // In Mobile Safari, date inputs require a pixel line-height that matches the // given height of the input. input {

line-height: @input-height-base;

}

// 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;
label {
  display: inline;
  font-weight: normal;
  cursor: pointer;
}

} .radio input, .radio-inline input, .checkbox input, .checkbox-inline input {

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, input, .radio, .radio-inline, .checkbox, .checkbox-inline {

&[disabled],
fieldset[disabled] & {
  cursor: not-allowed;
}

}

// Form control sizing // // Build on `.form-control` with modifier classes to decrease or increase the // height and font-size of form controls.

.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.

.has-feedback {

// Enable absolute positioning
position: relative;

// Ensure icons don't overlap text
.form-control {
  padding-right: (@input-height-base * 1.25);
}

// Feedback icon (requires .glyphicon classes)
.form-control-feedback {
  position: absolute;
  top: (@line-height-computed + 5); // Height of the `label` and its margin
  right: 0;
  display: block;
  width: @input-height-base;
  height: @input-height-base;
  line-height: @input-height-base;
  text-align: center;
}

}

// Feedback states .has-success {

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

} .has-warning {

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

} .has-error {

.form-control-validation(@state-danger-text; @state-danger-text; @state-danger-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-min) {
  // 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;
    width: auto; // Prevent labels from stacking above inputs in `.form-group`
    vertical-align: middle;
  }

  .control-label {
    margin-bottom: 0;
    vertical-align: middle;
  }

  // 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;
    vertical-align: middle;
  }
  .radio input[type="radio"],
  .checkbox input[type="checkbox"] {
    float: none;
    margin-left: 0;
  }

  // Validation states
  //
  // Reposition the icon because it's now within a grid column and columns have
  // `position: relative;` on them. Also accounts for the grid gutter padding.
  .has-feedback .form-control-feedback {
    top: 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;
  }
}

// Validation states
//
// Reposition the icon because it's now within a grid column and columns have
// `position: relative;` on them. Also accounts for the grid gutter padding.
.has-feedback .form-control-feedback {
  top: 0;
  right: (@grid-gutter-width / 2);
}

}