// Name:            Modal
// Description:     Component to create modal dialogs
//
// Component:       `uk-modal`
//
// Sub-objects:     `uk-modal-page`
//                  `uk-modal-dialog`
//                  `uk-modal-header`
//                  `uk-modal-body`
//                  `uk-modal-footer`
//                  `uk-modal-title`
//                  `uk-modal-close`
//
// Adopted:         `uk-modal-close-default`
//                  `uk-modal-close-outside`
//                  `uk-modal-close-full`
//
// Modifiers:       `uk-modal-container`
//                  `uk-modal-full`
//
// States:          `uk-open`
//
// ========================================================================


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

$modal-z-index:                                  $global-z-index + 10 !default;
$modal-background:                               rgba(0,0,0,0.6) !default;

$modal-padding-horizontal:                       40px !default;
$modal-padding-horizontal-s:                     $global-gutter !default;
$modal-padding-horizontal-m:                     $global-medium-gutter !default;
$modal-padding-vertical:                         $modal-padding-horizontal !default;
$modal-padding-vertical-s:                       50px !default;

$modal-dialog-width:                             600px !default;
$modal-dialog-background:                        $global-background !default;

$modal-container-width:                          1200px !default;

$modal-body-padding-horizontal:                  $global-gutter !default;
$modal-body-padding-vertical:                    $global-gutter !default;

$modal-header-padding-horizontal:                $global-gutter !default;
$modal-header-padding-vertical:                  ($modal-header-padding-horizontal / 2) !default;

$modal-footer-padding-horizontal:                $global-gutter !default;
$modal-footer-padding-vertical:                  ($modal-footer-padding-horizontal / 2) !default;

$modal-close-padding:                            5px !default;

$modal-close-position:                           $global-small-margin !default;
$modal-close-padding:                            5px !default;

$modal-close-outside-position:                   0 !default;
$modal-close-outside-translate:                  100% !default;

/* ========================================================================
   Component: Modal
 ========================================================================== */

/*
 * 1. Hide by default
 * 2. Set position
 * 3. Allow scrolling for the modal dialog
 * 4. Horizontal padding
 * 5. Mask the background page
 * 6. Fade-in transition
 */

.uk-modal {
    /* 1 */
    display: none;
    /* 2 */
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: $modal-z-index;
    /* 3 */
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    /* 4 */
    padding: $modal-padding-vertical $modal-padding-horizontal;
    /* 5 */
    background: $modal-background;
    /* 6 */
    opacity: 0;
    transition: opacity 0.15s linear;
    @if(mixin-exists(hook-modal)) {@include hook-modal();}
}

/*
 * Open
 */

.uk-modal.uk-open { opacity: 1; }


/* Page
 ========================================================================== */

/*
 * Prevent scrollbars
 */

.uk-modal-page { overflow: hidden; }


/* Dialog
 ========================================================================== */

/*
 * 1. Create position context for spinner and close button
 * 2. Dimensions
 * 3. Fix `max-width: 100%` not working in combination with flex and responsive images in IE11
 *    `!important` needed to overwrite `uk-width-auto`. See `#modal-media-image` in tests
 * 4. Style
 * 5. Slide-in transition
 */

.uk-modal-dialog {
    /* 1 */
    position: relative;
    /* 2 */
    box-sizing: border-box;
    margin: 0 auto;
    width: $modal-dialog-width;
    /* 3 */
    max-width: unquote('calc(100% - 0.01px)') !important;
    /* 4 */
    background: $modal-dialog-background;
    /* 5 */
    opacity: 0;
    transform: translateY(-100px);
    transition: 0.3s linear;
    transition-property: opacity, transform;
}

/*
 * Open
 */

.uk-open > .uk-modal-dialog {
    opacity: 1;
    transform: translateY(0);
}


/* Size modifier
 ========================================================================== */

/*
 * Container size
 * Take the same size as the Container component
 */

.uk-modal-container .uk-modal-dialog { width: $modal-container-width; }

/*
 * Full size
 * 1. Remove padding and background from modal
 * 2. Reset all default declarations from modal dialog
 */

/* 1 */
.uk-modal-full {
    padding: 0;
    background: none;
}

/* 2 */
.uk-modal-full .uk-modal-dialog {
    margin: 0;
    width: 100%;
    max-width: 100%;
    transform: translateY(0);
    @if(mixin-exists(hook-modal-full)) {@include hook-modal-full();}
}


/* Sections
 ========================================================================== */

.uk-modal-body {
    display: flow-root;
    padding: $modal-body-padding-vertical $modal-body-padding-horizontal;
    @if(mixin-exists(hook-modal-body)) {@include hook-modal-body();}
}

[class*='uk-modal-close-'] {
    position: absolute;
    z-index: $modal-z-index;
    top: $modal-close-position;
    right: $modal-close-position;
    padding: $modal-close-padding;
    @if(mixin-exists(hook-modal-close)) {@include hook-modal-close();}
}

/*
 * Remove margin from adjacent element
 */

[class*='uk-modal-close-']:first-child + * { margin-top: 0; }

.uk-modal-close-outside {
    top: $modal-close-outside-position;
    /* 1 */
    right: (-$modal-close-padding);
    transform: translate(0, -($modal-close-outside-translate));
}

.uk-flex {
    display: flex;
}

.uk-margin-auto-vertical {
    margin-top: auto !important;
    margin-bottom: auto !important;
}