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


// GENERAL STYLES
// --------------

// Make all forms have space below them
form {
  margin: 0 0 @baseLineHeight;
}

fieldset {
  padding: 0;
  margin: 0;
  border: 0;
}

// Groups of fields with labels on top (legends)
legend {
  display: block;
  width: 100%;
  padding: 0;
  margin-bottom: @baseLineHeight;
  font-size: @baseFontSize * 1.5;
  line-height: @baseLineHeight * 2;
  color: @grayDark;
  border: 0;
  border-bottom: 1px solid #e5e5e5;

  // Small
  small {
    font-size: @baseLineHeight * .75;
    color: @grayLight;
  }
}

// Set font for forms
label,
input,
button,
select,
textarea {
  font-size: @baseFontSize;
  font-weight: normal;
  line-height: @baseLineHeight;
}
input,
button,
select,
textarea {
  font-family: @baseFontFamily; // And only set font-family here for those that need it (note the missing label element)
}

// Identify controls by their labels
label {
  display: block;
  margin-bottom: 5px;
}

// Form controls
// -------------------------

// Shared size and type resets
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"] {
  display: inline-block;
  height: @baseLineHeight;
  padding: 4px 6px;
  margin-bottom: 9px;
  font-size: @baseFontSize;
  line-height: @baseLineHeight;
  color: @gray;
  border-radius: @inputBorderRadius;
}

// Reset appearance properties for textual inputs and textarea
// Declare width for legacy (can't be on input[type=*] selectors or it's too specific)
input,
textarea {
  width: 210px;
}
// Reset height since textareas have rows
textarea {
  height: auto;
}
// Everything else
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"] {
  background-color: @inputBackground;
  border: 1px solid @inputBorder;
  box-shadow: inset 0 1px 1px rgba(0,0,0,.075);
  transition: border linear .2s, box-shadow linear .2s;

  // Focus state
  &:focus {
    border-color: rgba(82,168,236,.8);
    outline: 0;
    box-shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px rgba(82,168,236,.6);
  }
}

// Position radios and checkboxes better
input[type="radio"],
input[type="checkbox"] {
  margin: 4px 0 0;
  line-height: normal;
  cursor: pointer;
}

// Reset width of input images, buttons, radios, checkboxes
input[type="file"],
input[type="image"],
input[type="submit"],
input[type="reset"],
input[type="button"],
input[type="radio"],
input[type="checkbox"] {
  width: auto; // Override of generic input selector
}

// Set the height of select and file controls to match text inputs
select,
input[type="file"] {
  height: 30px;
  line-height: 30px;
}

// Make select elements obey height by applying a border
select {
  width: 220px; // default input width + 10px of padding that doesn't get applied
  border: 1px solid #bbb;
  background-color: @inputBackground; // Chrome on Linux and Mobile Safari need background-color
}

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

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


// Placeholder
// -------------------------

// Placeholder text gets special styles; can't be bundled together though for some reason
input::placeholder,
textarea::placeholder {
  color: @placeholderText;
}


// INPUT SIZES
// -----------

// General classes for quick sizes
.input-large      { width: 210px; }
.input-xlarge     { width: 270px; }
.input-xxlarge    { width: 530px; }

// Grid style input sizes
input[class*="span"],
select[class*="span"],
textarea[class*="span"] {
  float: none;
  margin-left: 0;
}
// Ensure input-prepend/append never wraps
.input-append input[class*="span"] {
  display: inline-block;
}



// GRID SIZING FOR INPUTS
// ----------------------

// Grid sizes
#grid > .input(@gridColumnWidth, @gridGutterWidth);



// DISABLED STATE
// --------------

// Disabled and read-only inputs
input[disabled],
select[disabled],
textarea[disabled],
input[readonly],
select[readonly],
textarea[readonly] {
  cursor: not-allowed;
  background-color: @inputDisabledBackground;
}
// Explicitly reset the colors here
input[type="radio"][disabled],
input[type="checkbox"][disabled],
input[type="radio"][readonly],
input[type="checkbox"][readonly] {
  background-color: transparent;
}




// FORM FIELD FEEDBACK STATES
// --------------------------

// Warning
.control-group.warning {
  .formFieldState(@warningText, @warningText, @warningBackground);
}
// Error
.control-group.error {
  .formFieldState(@errorText, @errorText, @errorBackground);
}
// Success
.control-group.success {
  .formFieldState(@successText, @successText, @successBackground);
}

// HTML5 invalid states
// Shares styles with the .control-group.error above
input:focus:required:invalid,
textarea:focus:required:invalid,
select:focus:required:invalid {
  color: #b94a48;
  border-color: #ee5f5b;
  &:focus {
    border-color: darken(#ee5f5b, 10%);
    box-shadow: 0 0 6px lighten(#ee5f5b, 20%);
  }
}



// HELP TEXT
// ---------

.help-block {
  color: lighten(@textColor, 15%); // lighten the text some for contrast
  display: block; // account for any element using help-block
  margin-bottom: @baseLineHeight / 2;
}

// INPUT GROUPS
// ------------

// Allow us to put symbols and text within the input field for a cleaner look
.input-append {
  margin-bottom: 5px;
  font-size: 0;
  white-space: nowrap; // Prevent span and input from separating

  input,
  select {
    position: relative; // placed here by default so that on :focus we can place the input above the .add-on for full border and box-shadow goodness
    margin-bottom: 0; // prevent bottom margin from screwing up alignment in stacked forms
    font-size: @baseFontSize;
    vertical-align: top;
    border-radius: 0 @inputBorderRadius @inputBorderRadius 0;
    // Make input on top when focused so blue border and shadow always show
    &:focus {
      z-index: 2;
    }
  }
  .add-on {
    display: inline-block;
    width: auto;
    height: @baseLineHeight;
    min-width: 16px;
    padding: 4px 5px;
    font-size: @baseFontSize;
    font-weight: normal;
    line-height: @baseLineHeight;
    text-align: center;
    text-shadow: 0 1px 0 @white;
    background-color: @grayLighter;
    border: 1px solid #ccc;
  }
  .add-on,
  .btn {
    margin-left: -1px;
    vertical-align: top;
    border-radius: 0;
  }
  .active {
    background-color: lighten(@green, 30);
    border-color: @green;
  }
}
.input-append {
  input,
  select {
    border-radius: @inputBorderRadius 0 0 @inputBorderRadius;
  }
  .add-on:last-child,
  .btn:last-child {
    border-radius: 0 @inputBorderRadius @inputBorderRadius 0;
  }
}



// HORIZONTAL & VERTICAL FORMS
// ---------------------------

// Common properties
// -----------------

.form-inline,
.form-horizontal {
  input,
  textarea,
  select,
  .input-append {
    display: inline-block;
    margin-bottom: 0;
    vertical-align: middle;
  }
  // Re-hide hidden elements due to specifity
  .hide {
    display: none;
  }
}
.form-inline label,
.form-inline .btn-group {
  display: inline-block;
}
// Remove margin for input-prepend/-append
.form-inline .input-append {
  margin-bottom: 0;
}


// Margin to space out fieldsets
.control-group {
  margin-bottom: @baseLineHeight / 2;
}

// Legend collapses margin, so next element is responsible for spacing
legend + .control-group {
  margin-top: @baseLineHeight;
  -webkit-margin-top-collapse: separate;
}

// Horizontal-specific styles
// --------------------------

.form-horizontal {
  // Increase spacing between groups
  .control-group {
    margin-bottom: @baseLineHeight;
    .clearfix();
  }
  // Float the labels left
  .control-label {
    float: left;
    width: 140px;
    padding-top: 5px;
    text-align: right;
  }
  // Move over all input controls and content
  .controls {
    // Super jank IE7 fix to ensure the inputs in .input-append and input-prepend
    // don't inherit the margin of the parent, in this case .controls
    margin-left: 160px;
  }
  // Remove bottom margin on block level help text since that's accounted for on .control-group
  .help-block {
    margin-top: @baseLineHeight / 2;
    margin-bottom: 0;
  }
}