/*
 * Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.
 * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
 */

:root {
	--ck-html-embed-content-width: calc(100% - 1.5 * var(--ck-icon-size));
	--ck-html-embed-source-height: 10em;
	--ck-html-embed-unfocused-outline-width: 1px;
	--ck-html-embed-content-min-height: calc(var(--ck-icon-size) + var(--ck-spacing-standard));

	--ck-html-embed-source-disabled-background: var(--ck-color-base-foreground);
	--ck-html-embed-source-disabled-color: hsl(0deg 0% 45%);
}

/* The feature container. */
.ck-widget.raw-html-embed {
	font-size: var(--ck-font-size-base);
	background-color: var(--ck-color-base-foreground);

	&:not(.ck-widget_selected):not(:hover) {
		outline: var(--ck-html-embed-unfocused-outline-width) dashed var(--ck-color-widget-blurred-border);
	}

	/* HTML embed widget itself should respect UI language direction */
	&[dir="ltr"] {
		text-align: left;
	}

	&[dir="rtl"] {
		text-align: right;
	}

	/* ----- Embed label in the upper left corner ----------------------------------------------- */

	&::before {
		content: attr(data-html-embed-label);
		top: calc(-1 * var(--ck-html-embed-unfocused-outline-width));
		left: var(--ck-spacing-standard);
		background: hsl(0deg 0% 60%);
		transition: background var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve);
		padding: calc(var(--ck-spacing-tiny) + var(--ck-html-embed-unfocused-outline-width)) var(--ck-spacing-small) var(--ck-spacing-tiny);
		border-radius: 0 0 var(--ck-border-radius) var(--ck-border-radius);
		color: var(--ck-color-base-background);
		font-size: var(--ck-font-size-tiny);
		font-family: var(--ck-font-face);
	}

	&[dir="rtl"]::before {
		left: auto;
		right: var(--ck-spacing-standard);
	}

	/* Make space for label but it only collides in LTR languages */
	&[dir="ltr"] .ck-widget__type-around .ck-widget__type-around__button.ck-widget__type-around__button_before {
		margin-left: 50px;
	}

	@nest .ck.ck-editor__editable.ck-blurred &.ck-widget_selected::before {
		top: 0px;
		padding: var(--ck-spacing-tiny) var(--ck-spacing-small);
	}

	@nest .ck.ck-editor__editable:not(.ck-blurred) &.ck-widget_selected::before {
		top: 0;
		padding: var(--ck-spacing-tiny) var(--ck-spacing-small);
		background: var(--ck-color-focus-border);
	}

	@nest .ck.ck-editor__editable &:not(.ck-widget_selected):hover::before {
		top: 0px;
		padding: var(--ck-spacing-tiny) var(--ck-spacing-small);
	}

	/* ----- Emebed internals --------------------------------------------------------------------- */

	& .raw-html-embed__content-wrapper {
		padding: var(--ck-spacing-standard);
	}

	/* The switch mode button wrapper. */
	& .raw-html-embed__buttons-wrapper {
		top: var(--ck-spacing-standard);
		right: var(--ck-spacing-standard);

		& .ck-button.raw-html-embed__save-button {
			color: var(--ck-color-button-save);
		}

		& .ck-button.raw-html-embed__cancel-button {
			color: var(--ck-color-button-cancel);
		}

		& .ck-button:not(:first-child) {
			margin-top: var(--ck-spacing-small);
		}
	}

	&[dir="rtl"] .raw-html-embed__buttons-wrapper {
		left: var(--ck-spacing-standard);
		right: auto;
	}

	/* The edit source element. */
	& .raw-html-embed__source {
		box-sizing: border-box;
		height: var(--ck-html-embed-source-height);
		width: var(--ck-html-embed-content-width);
		resize: none;
		min-width: 0;
		padding: var(--ck-spacing-standard);

		font-family: monospace;
		tab-size: 4;
		white-space: pre-wrap;
		font-size: var(--ck-font-size-base); /* Safari needs this. */

		/* HTML code is direction–agnostic. */
		text-align: left;
		direction: ltr;

		&[disabled] {
			background: var(--ck-html-embed-source-disabled-background);
			color: var(--ck-html-embed-source-disabled-color);

			/* Safari needs this for the proper text color in disabled input (https://github.com/ckeditor/ckeditor5/issues/8320). */
			-webkit-text-fill-color: var(--ck-html-embed-source-disabled-color);
			opacity: 1;
		}
	}

	/* The preview data container. */
	& .raw-html-embed__preview {
		min-height: var(--ck-html-embed-content-min-height);
		width: var(--ck-html-embed-content-width);

		/* Disable all mouse interaction as long as the editor is not read–only. */
		@nest .ck-editor__editable:not(.ck-read-only) & {
			pointer-events: none;
		}
	}

	& .raw-html-embed__preview-content {
		box-sizing: border-box;
		background-color: var(--ck-color-base-foreground);

		& > * {
			margin-left: auto;
			margin-right: auto;
		}
	}

	& .raw-html-embed__preview-placeholder {
		color: var(--ck-html-embed-source-disabled-color)
	}
}
