$activeColor: #3eb998;
$deleteColor: #e83561;
$errorColor: #FC3A3F;
$gridMargin: 0 0.6em 0.6em 0;
$itemPadding: 0.4em;


.InputfieldImage {
	.InputfieldHeader {
		.InputfieldImageListToggle {
			// toggles between grid, left and list mode
			float: right;
			padding-right: 0.75em;
			position: relative;

			&--active {
				opacity: 0.5;
			}

			&:first-child {
				// offset from far right side
				padding-right: 1em;
			}
		}
		.InputfieldImageSizeSlider {
			float: right;
			width: 100px;
			position: relative;
			top: 8px;
			right: 1em;

			.ui-slider-handle {
				outline: none;
			}
		}
	}

	&.InputfieldFileEmpty,
	&.InputfieldStateCollapsed {
		.InputfieldImageListToggle,
		.InputfieldImageSizeSlider {
			// prevents display of toggles and slider when there are no images visible
			display: none;
		}
	}
}

// error listing
.InputfieldImageErrors {
	li {
		margin-bottom: .5em;
		margin-top: 0;
		color: white;
		background-color: $errorColor;
		padding: .3em .5em;
	}
}

// The <ul> element containing li.gridImage items and .InputfieldImageEdit
.gridImages {
	list-style: none;
	padding-left: 0;
	position: relative;
	margin: 0;
	margin-right: -.6em;
	display: block;
	list-style: none;
}

// An individual image grid item
.gridImage {
	list-style: none;
	position: relative;
	display: inline-block;

	@at-root li#{&} {
		// overwrite .content li
		display: inline-block;
		margin: $gridMargin;
	}

	box-shadow: 0 1px 3px rgba(black, 0.2);
	border-radius: 2px;
	background: #fff;
	padding: $itemPadding;
	vertical-align: top;
	border: 1px dashed transparent; // to have the placeholder item the same size

	&__overflow {
		width: 100%;
		height: 100%;
		overflow: hidden;
		position: relative;
		// the following creates a checkerboard pattern (for seeing transparency)
		background-color: #fefefe;
		background-image: linear-gradient(45deg, #cbcbcb 25%, transparent 25%, transparent 75%, #cbcbcb 75%, #cbcbcb), linear-gradient(45deg, #cbcbcb 25%, transparent 25%, transparent 75%, #cbcbcb 75%, #cbcbcb);
		background-size: 16px 16px;
		background-position: 0 0, 8px 8px;

		& > img {
			position: absolute;
			top: 50%;
			left: 50%;
			transition: transform ease .3s;
			-ms-transform: translate3d(-50%, -50%, 0);
			transform: translate3d(-50%, -50%, 0);
		}
	}

	&.gridImagePlaceholder {
		.gridImage__overflow {
			background: #fff;
		}
	}

	&.ui-sortable-placeholder {
		display: inline-block;
		border-radius: 2px;
		border: 1px dashed #ccc;
		padding: $itemPadding;
		visibility: visible !important;
		vertical-align: top;
		background-color: transparent;
		box-shadow: none;

		&::after {
			//replacement for image
			content: " ";
			display: block;
		}
	}

	&__hover {
		position: absolute;
		top: 0;
		left: 0;
		width: 100%;
		height: 100%;
		padding: $itemPadding;
	}

	&__inner {
		position: relative;
		width: 100%;
		height: 100%;

		.gridImage:hover & {
			background: rgba(#3eb998, .7);
		}
	}

	&__resize {
		position: absolute;
		display: block;
		height: 100%;
		width: 100%;
		line-height: 130px;
		text-align: center;
		color: white;
		font-size: 1.3em;
		cursor: move;
		text-shadow: 0px 0px 7px rgba(#3eb998, .7);
	}

	&__progress {
		/* Reset the default appearance */
		-webkit-appearance: none;
		-moz-appearance: none;
		appearance: none;
		/* Get rid of default border in Firefox. */
		border: none;

		color: $activeColor;
		width: 100%;
		height: 10px;
		background: transparent;

		position: absolute;
		bottom: 0;
		left: 0;

		&::-webkit-progress-bar {
			background-color: inherit;
		}

		&[value]::-webkit-progress-value {
			background-color: $activeColor;
		}

		&[value]::-moz-progress-bar {
			background-color: $activeColor;
		}

		&[value='-1'] {
			background-color: $deleteColor;
		}
	}

	&__trash {
		position: absolute;
		background: white;
		padding: .2em .6em;
		color: #aaa;
		z-index: 2;
		cursor: pointer;

		@at-root label#{&} {
			display: none;
		}

		&--single {
			display: block !important;
			position: static;
		}

		& > input {
			display: none;
		}

		.gridImage:hover & {
			display: block;
		}

		@at-root  .gridImage:hover label#{&}:hover {
			// overwrite a:hover
			display: block;
			color: $deleteColor;
			background-color: white;
		}
	}

	&__edit {
		// The "Edit" link
		position: absolute;
		display: block;
		height: 100%;
		width: 100%;
		line-height: 130px;
		text-align: center;
		color: white !important;
		font-size: 1.3em;
		cursor: move;
		text-shadow: 0px 0px 7px rgba(#3eb998, .7);

		span {
			cursor: pointer;
		}

		display: none;

		.gridImage:hover & {
			display: block;
		}

		&:hover {
			color: white;
		}
	}

	&__tooltip {
		// tooltip that appears above a hovered .gridImage
		pointer-events: none;
		position: absolute;
		bottom: 100%;
		padding: 20px;
		-webkit-filter: drop-shadow(0 0 5px rgba(0, 0, 0, 0.1));
		filter: drop-shadow(0 0 5px rgba(0, 0, 0, 0.1));
		left: 50%;
		//transform: translate(-50%, 0) perspective(1px) scale(1.01);
		transform: translate(-50%, 0);
		margin-bottom: 12px;
		background: #fff;
		z-index: 110;
		box-shadow: 0 0 1px rgba(black, 0.25);
		opacity: 0;
		transition: opacity .2s 02;

		.gridImage:hover & {
			display: block;
			opacity: 1;
			transition: opacity .2s 1s;
		}

		.InputfieldImageSorting & {
			display: none !important;
		}

		input {
			pointer-events: none;
		}

		table {
			margin: 0;
			border-spacing: 10px 0;
			border-collapse: separate;

			th {
				color: black;
				font-weight: bold;
				text-align: right;
			}
			th, td {
				border: none !important;
				background: white !important;
			}
		}

		&:after {
			top: 100%;
			left: 50%;
			border: solid transparent;
			content: " ";
			height: 0;
			width: 0;
			position: absolute;
			pointer-events: none;
			border-color: rgba(#fff, 0);
			border-top-color: #fff;
			border-width: 10px;
			margin-left: -10px;
		}
	}

	&.gridImageEditing {
		// highlights the current image being edited
		.gridImage__inner {
			background: rgba($activeColor, .5);
		}
	}

	&--active {
		background-color: $activeColor;

		& .gridImage__inner {
			background: rgba($activeColor, .5);
		}

		& .gridImage__trash {
			background-color: $activeColor;
			color: white;

			&:hover {
				background-color: $activeColor;
			}
		}

		&:hover .gridImage__trash:hover {
			background-color: $activeColor;
		}
	}

	&--delete {
		// gridImage item marked for deletion
		background-color: $deleteColor;

		@at-root .InputfieldImageEditSingle.gridImage--delete {
			background-color: transparent;
			.InputfieldImageEdit__inner {
				outline: 3px solid $deleteColor;
			}
		}

		& .gridImage__trash {
			background-color: $deleteColor;
			color: white;
			display: block;

			&:hover {
				background-color: $deleteColor;
			}
		}

		&:hover .gridImage__edit {
			display: none;
		}

		&:hover .gridImage__trash:hover {
			background-color: $deleteColor;
		}

		&:hover .gridImage__inner {
			background: rgba($deleteColor, 0.3);
		}
	}
}

// A type of item that appears in a ul.gridImages but is not itself a .gridImage.
// It contains the image enlargement, file, edit buttons, and description/tags fields. 
.InputfieldImageEdit {
	position: relative;
	display: none;

	&--active,
	&Single {
		display: block;
	}

	&__inner {
		position: relative;
		display: flex;
		flex-flow: row;
		margin: 1em .6em 1em 0;
		-webkit-filter: drop-shadow(0 1px 3px rgba(black, 0.2));
		filter: drop-shadow(0 1px 3px rgba(black, 0.2));
		background-color: white;
	}

	&__close {
		cursor: pointer;
		position: absolute;
		font-size: 1.4em;
		right: .5em;
		top: 0;
		color: #ccc !important;
		text-decoration: none !important;

		.InputfieldFileSingle & {
			display: none;
		}
	}

	&__trash-single {
		cursor: pointer;
		position: absolute;
		font-size: 1.4em;
		right: 0;
		top: 0;
		color: #aaa !important;
		text-decoration: none !important;

		&:hover {
			color: $deleteColor;
		}
	}

	&__arrow {
		// arrow that points up to the item being edited
		bottom: 100%;
		content: " ";
		height: 0;
		width: 0;
		position: absolute;
		pointer-events: none;
		border: .5em solid rgba(white, 0);
		border-bottom-color: white;
		transform: translate(-50%, 0);
	}

	&__imagewrapper {
		display: inline-block;
		display: flex;
		vertical-align: top;
		align-items: center;
		justify-content: space-around;
		width: 300px;
		border-right: 1px solid #eee;
		min-height: 1em;
		padding: 20px;

		& > div {
			// Fix for Firefox not respecting aspect ratio on images
			width: 100%;
		}

		.detail {
			display: block;
			text-align: center;
			opacity: 0;
			margin-top: 2px;
		}
		&:hover .detail {
			opacity: 0.7;
		}
	}

	&__replace img {
		// dragging new img on top of old one
		opacity: 0.5;
	}

	&__edit {
		display: inline-block;
		vertical-align: top;
		min-height: 100%;
		padding: 20px;
		flex-grow: 1;

		input {
			width: 100%;
		}
	}

	&__image {
		position: relative;
		margin: 0 auto;
		height: auto;
		cursor: zoom-in;
		max-width: 100%;
	}

	&__name {
		font-weight: bold;
		display: inline-block;
		margin-right: .5em !important;

		/* These are technically the same, but use both */
		overflow-wrap: break-word;
		word-wrap: break-word;

		-ms-word-break: break-all;
		/* This is the dangerous one in WebKit, as it breaks things wherever */
		word-break: break-all;
		/* Instead use this non-standard one: */
		word-break: break-word;

		/* Adds a hyphen where the word breaks, if supported (No Blink) */
		-ms-hyphens: auto;
		-moz-hyphens: auto;
		-webkit-hyphens: auto;
		hyphens: auto;
		cursor: pointer;
	}

	&__info {
		font-size: .9em;
		color: #ccc;
		white-space: nowrap;
	}

	&__buttons {
		margin: 1em 0 0.5em 0;
		button {
			margin-bottom: 0.5em;
		}
	}

}

.InputfieldImage .ImageData {
	// element in a .gridImage item that contains the details and editable content
	display: none;
}

.InputfieldImageValidExtensions {
	margin-left: 1em;
}

.InputfieldImageUpload {
	position: relative;
	margin: 1em 0 0;

	& .AjaxUploadDropHere {
		display: none;
		position: absolute;
		top: 0;
		right: 0;
		opacity: 0.75;
		cursor: pointer;

		.ie-no-drop & {
			display: none;
			visibility: hidden;
		}
	}

	.InputfieldImageRefresh {
		margin-bottom: 0;
	}
}


// Narrow mode applies when width of Inputfield is under 500px
.InputfieldImageNarrow {

	.InputfieldHeader .InputfieldImageSizeSlider {
		width: 50px;
	}

	.InputfieldImageEdit {
		// the image editor becomes stacked when narrow mode is active

		&__inner {
			display: block;
			padding-top: 0.5em;
		}
		&__imagewrapper {
			display: block;
			width: 100%;
			padding-bottom: 0;
		}
		&__edit {
			width: 100%;
			padding-top: 0;
			.InputfieldImageEdit__buttons,
			.InputfieldImageEdit__info {
				display: block;
				text-align: center;
			}
		}
		&__name {
			margin: 0;
			display: block;
			text-align: center;
		}
	}

	.InputfieldImageUpload {
		.AjaxUploadDropHere {
			display: none !important;
		}
	}

}

.InputfieldFileSingle .gridImages .gridImage img,
.InputfieldRenderValueMode .gridImages .gridImage img {
	cursor: zoom-in;
}


/*****************************************************************************************
 * The "Edit All" mode is the "list" mode where edit inputs are showing for all images
 * This is the opposite of the grid mode, but we use all the same elements from .gridImage
 *
 */

.InputfieldImageEditAll {

	.gridImage {
		display: block;
		width: 100%;

		// clearfix
		&:before,
		&:after {
			content: "";
			display: table;
			border-collapse: collapse;
		}
		&:after {
			clear: both;
		}

		&__overflow {
			position: relative;
			z-index: 2;
			top: 0;
			left: 0;
			float: left;
			background: initial;
			display: block;
			height: auto !important;
			width: 23%; 
			overflow: visible;
			cursor: move;
		
			padding: 10px;
			padding-right: 0;

			& > img {
				display: block;
				position: static !important;
				transition: none;
				-ms-transform: none;
				transform: none;
				width: 100%;
				max-width: 100% important;
				height: initial !important;
				cursor: move;
			}
		}

		.ImageData {
			position: relative;
			float: left;
			display: block;
			width: 77%;
			padding-left: 20px;
			padding-right: 10px;
			z-index: 3;

			.InputfieldFileDescription {
				margin-bottom: 0.5em;
			}

			.InputfieldImageEdit__name {
				margin-bottom: 0;
				margin-top: 1em;
				position: relative;
				z-index: 100;
				cursor: pointer;
			}

			.InputfieldFileSort {
				display: none;
			}

			input {
				position: relative;
				z-index: 4;
			}
		}

		&.gridImagePlaceholder {
			.gridImage__overflow {
				background: #fff;
			}
		}

		&__inner {
			.gridImage__edit {
				display: none;
			}
		}
		&:hover .gridImage__inner {
			background: initial;
		}

		.InputfieldImageEdit {
			&__core {
				input {
					width: 100%;
				}
			}
		}

		&__resize {
			margin-top: 10px;
			color: $deleteColor;
			text-shadow: none;
		}

		&__progress {
			bottom: 10px;
			margin-left: 10px; 
		}
		
		&.gridImageUploading {
			.gridImage__overflow {
				margin-bottom: 10px; 
			}
			.gridImage__inner {
				overflow: hidden;
			}
		}

		&__trash {
			z-index: 5;
			display: block !important;
			top: 0;
			right: 0;
		}
		
		&__edit {
			display: none;
		}

		&__tooltip {
			display: none !important;
		}

		&--delete {
			background-color: $deleteColor;
			border-bottom: 8px solid transparent;
			height: 45px;
			overflow: hidden;
			
			.gridImage__overflow {
				display: none;
			}
			
			.ImageData {
				padding-left: 10px;
				width: 100%;
			}

			.ImageData .InputfieldImageEdit__name {
				color: rgba(255, 255, 255, 0.6);
				margin-top: 3px;
				text-decoration: line-through;
			}

			.InputfieldImageEdit__info {
				color: rgba(255, 255, 255, 0.4);
			}

			.InputfieldImageEdit__buttons,
			.InputfieldImageEdit__core,
			.InputfieldImageEdit__additional {
				display: none;
			}

			&:hover .gridImage__trash:hover {
				color: white;
				background-color: $deleteColor;
			}

			&:hover .gridImage__hover,
			.gridImage__hover {
				background: rgba(255, 255, 255, 0);
			}
			
		} // &--delete
	} // .gridImage

	// Edit All narrow mode, we stack the image and editor features on top of each other
	&.InputfieldImageNarrow {
		.gridImage {
			&__overflow {
				display: block;
				width: 100% !important;
				height: auto !important;
				padding: 0;

				img {
					width: 100% important;
					height: auto !important;
				}
				
			}
			.ImageData {
				padding: 0;
				width: 100% !important;
				display: block;
				.InputfieldImageEdit__name {
					margin-top: 0.5em;
				}
				.InputfieldImageEdit__name,
				.InputfieldImageEdit__buttons,
				.InputfieldImageEdit__info {
					text-align: center;
					display: block;
				}
			}
		} // .gridImage
	} // .InputfieldImageNarrow
} // .InputfieldImageEditll