// Name:            Icon
// Description:     Component to create icons
//
// Component:       `uk-icon`
//
// Modifiers:       `uk-icon-image`
//                  `uk-icon-link`
//                  `uk-icon-button`
//
// States:          `uk-preserve`
//
// ========================================================================


// Variables
// ========================================================================

$icon-image-size:                                20px !default;

$icon-link-color:                                $global-muted-color !default;
$icon-link-hover-color:                          $global-color !default;
$icon-link-active-color:                         darken($global-color, 5%) !default;

$icon-button-size:                               36px !default;
$icon-button-border-radius:                      500px !default;
$icon-button-background:                         $global-muted-background !default;
$icon-button-color:                              $global-muted-color !default;

$icon-button-hover-background:                   darken($icon-button-background, 5%) !default;
$icon-button-hover-color:                        $global-color !default;

$icon-button-active-background:                  darken($icon-button-background, 10%) !default;
$icon-button-active-color:                       $global-color !default;


/* ========================================================================
   Component: Icon
 ========================================================================== */

/*
 * Note: 1. - 7. is required for `button` elements. Needed for Close and Form Icon component.
 * 1. Remove margins in Chrome, Safari and Opera.
 * 2. Remove borders for `button`.
 * 3. Remove border-radius in Chrome.
 * 4. Address `overflow` set to `hidden` in IE.
 * 5. Correct `font` properties and `color` not being inherited for `button`.
 * 6. Remove the inheritance of text transform in Edge, Firefox, and IE.
 * 7. Remove default `button` padding and background color
 * 8. Style
 * 9. Fill all SVG elements with the current text color if no `fill` attribute is set
 * 10. Let the container fit the height of the icon
 */

.uk-icon {
    /* 1 */
    margin: 0;
    /* 2 */
    border: none;
    /* 3 */
    border-radius: 0;
    /* 4 */
    overflow: visible;
    /* 5 */
    font: inherit;
    color: inherit;
    /* 6 */
    text-transform: none;
    /* 7. */
    padding: 0;
    background-color: transparent;
    /* 8 */
    display: inline-block;
    /* 9 */
    fill: currentcolor;
    /* 10 */
    line-height: 0;
}

/* Required for `button`. */
button.uk-icon:not(:disabled) { cursor: pointer; }

/*
 * Remove the inner border and padding in Firefox.
 */

.uk-icon::-moz-focus-inner {
    border: 0;
    padding: 0;
}

/*
 * Set the fill and stroke color of all SVG elements to the current text color
 * 1. Fix for uppercase attribute names in Edge. Will be fixed in Windows 10 builds 16251+
 */

.uk-icon [fill*='#']:not(.uk-preserve),
.uk-icon [FILL*='#']:not(.uk-preserve) { fill: currentcolor; } // 1
.uk-icon [stroke*='#']:not(.uk-preserve),
.uk-icon [STROKE*='#']:not(.uk-preserve) { stroke: currentcolor; } // 1

/*
 * Fix Firefox blurry SVG rendering: https://bugzilla.mozilla.org/show_bug.cgi?id=1046835
 */

.uk-icon > * { transform: translate(0,0); }


/* Image modifier
 ========================================================================== */

/*
 * Display images in icon dimensions
 */

.uk-icon-image {
    width: $icon-image-size;
    height: $icon-image-size;
    background-position: 50% 50%;
    background-repeat: no-repeat;
    background-size: contain;
    vertical-align: middle;
}


/* Style modifiers
 ========================================================================== */

/*
 * Link
 */

.uk-icon-link {
    color: $icon-link-color;
    @if(mixin-exists(hook-icon-link)) {@include hook-icon-link();}
}

.uk-icon-link:hover,
.uk-icon-link:focus {
    color: $icon-link-hover-color;
    outline: none;
    @if(mixin-exists(hook-icon-link-hover)) {@include hook-icon-link-hover();}
}

/* OnClick + Active */
.uk-icon-link:active,
.uk-active > .uk-icon-link {
    color: $icon-link-active-color;
    @if(mixin-exists(hook-icon-link-active)) {@include hook-icon-link-active();}
}

/*
 * Button
 * 1. Center icon vertically and horizontally
 */

.uk-icon-button {
    box-sizing: border-box;
    width: $icon-button-size;
    height: $icon-button-size;
    border-radius: $icon-button-border-radius;
    background: $icon-button-background;
    color: $icon-button-color;
    vertical-align: middle;
    /* 1 */
    display: inline-flex;
    justify-content: center;
    align-items: center;
    @if(mixin-exists(hook-icon-button)) {@include hook-icon-button();}
}

/* Hover + Focus */
.uk-icon-button:hover,
.uk-icon-button:focus {
    background-color: $icon-button-hover-background;
    color: $icon-button-hover-color;
    outline: none;
    @if(mixin-exists(hook-icon-button-hover)) {@include hook-icon-button-hover();}
}

/* OnClick + Active */
.uk-icon-button:active,
.uk-active > .uk-icon-button {
    background-color: $icon-button-active-background;
    color: $icon-button-active-color;
    @if(mixin-exists(hook-icon-button-active)) {@include hook-icon-button-active();}
}


// Hooks
// ========================================================================

@if(mixin-exists(hook-icon-misc)) {@include hook-icon-misc();}

// @mixin hook-icon-link(){}
// @mixin hook-icon-link-hover(){}
// @mixin hook-icon-link-active(){}
// @mixin hook-icon-button(){}
// @mixin hook-icon-button-hover(){}
// @mixin hook-icon-button-active(){}
// @mixin hook-icon-misc(){}


// Inverse
// ========================================================================

$inverse-icon-link-color:                       $inverse-global-muted-color !default;
$inverse-icon-link-hover-color:                 $inverse-global-color !default;
$inverse-icon-link-active-color:                $inverse-global-color !default;
$inverse-icon-button-background:                $inverse-global-muted-background !default;
$inverse-icon-button-color:                     $inverse-global-muted-color !default;
$inverse-icon-button-hover-background:          darken($inverse-icon-button-background, 5%) !default;
$inverse-icon-button-hover-color:               $inverse-global-color !default;
$inverse-icon-button-active-background:         darken($inverse-icon-button-background, 10%) !default;
$inverse-icon-button-active-color:              $inverse-global-color !default;



// @mixin hook-inverse-icon-link(){}
// @mixin hook-inverse-icon-link-hover(){}
// @mixin hook-inverse-icon-link-active(){}
// @mixin hook-inverse-icon-button(){}
// @mixin hook-inverse-icon-button-hover(){}
// @mixin hook-inverse-icon-button-active(){}