// Form validation states
//
// Used in forms.less to generate the form validation CSS for warnings, errors,
// and successes.

@mixin form-control-validation(
    $text-color: #555,
    $border-color: #ccc,
    $background-color: #f5f5f5
) {
    // Color the label and help text
    .help-block,
    .control-label,
    .radio,
    .checkbox,
    .radio-inline,
    .checkbox-inline,
    &.radio label,
    &.checkbox label,
    &.radio-inline label,
    &.checkbox-inline label {
        color: $text-color;
    }
    // Set the border and box shadow on specific inputs to match
    .form-control {
        border-color: $border-color;
        @include box-shadow(
            inset 0 1px 1px rgba(0, 0, 0, 0.075)
        ); // Redeclare so transitions work
        &:focus {
            border-color: darken($border-color, 10%);
            $shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075),
                0 0 6px lighten($border-color, 20%);
            @include box-shadow($shadow);
        }
    }
    // Set validation states also for addons
    .input-group-addon {
        color: $text-color;
        border-color: $border-color;
        background-color: $background-color;
    }
    // Optional feedback icon
    .form-control-feedback {
        color: $text-color;
    }
}

// Form control focus state
//
// Generate a customized focus state and for any input with the specified color,
// which defaults to the `$input-border-focus` variable.
//
// We highly encourage you to not customize the default value, but instead use
// this to tweak colors on an as-needed basis. This aesthetic change is based on
// WebKit's default styles, but applicable to a wider range of browsers. Its
// usability and accessibility should be taken into account with any change.
//
// Example usage: change the default blue border and shadow to white for better
// contrast against a dark gray background.
@mixin form-control-focus($color: $input-border-focus) {
    $color-rgba: rgba(red($color), green($color), blue($color), 0.6);
    &:focus {
        border-color: $color;
        outline: 0;
        @include box-shadow(
            inset 0 1px 1px rgba(0, 0, 0, 0.075),
            0 0 8px $color-rgba
        );
    }
}

// Form control sizing
//
// Relative text size, padding, and border-radii changes for form controls. For
// horizontal sizing, wrap controls in the predefined grid classes. `<select>`
// element gets special love because it's special, and that's a fact!
// [converter] $parent hack
@mixin input-size(
    $parent,
    $input-height,
    $padding-vertical,
    $padding-horizontal,
    $font-size,
    $line-height,
    $border-radius
) {
    #{$parent} {
        height: $input-height;
        padding: $padding-vertical $padding-horizontal;
        font-size: $font-size;
        line-height: $line-height;
        border-radius: $border-radius;
    }

    select#{$parent} {
        height: $input-height;
        line-height: $input-height;
    }

    textarea#{$parent},
    select[multiple]#{$parent} {
        height: auto;
    }
}
