prosemirror.scss

/**
 * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */

@use 'sass:selector';

/**
 *
 */
div.ProseMirror {
	height: 100%;
	position: relative;
	word-wrap: break-word;
	white-space: pre-wrap;
	-webkit-font-variant-ligatures: none;
	font-variant-ligatures: none;
	padding: 4px 8px 50px 14px;
	line-height: 150%;
	font-size: var(--default-font-size);
	outline: none;

	:target {
		// Menubar height: 34 + 3px bottom + 3px top padding
		scroll-margin-top: 40px;
	}

	&[contenteditable='true'],
	&[contenteditable='false'],
	[contenteditable='true'],
	[contenteditable='false'] {
		width: 100%;
		background-color: transparent;
		color: var(--color-main-text);
		opacity: 1;
		-webkit-user-select: text;
		user-select: text;
		font-size: var(--default-font-size);

		&:not(.collaboration-cursor__caret) {
			border: none !important;
		}

		&:focus,
		&:focus-visible {
			box-shadow: none !important;
		}
	}

	.checkbox-item {
		display: flex;
		align-items: start;
		// Leave space for checkbox (14px width + 2x 1px border + 6px margin-right)
		margin-inline-start: -24px;

		input[type='checkbox'] {
			display: none;
		}
		&:before {
			content: '';
			vertical-align: middle;
			margin: 3px 6px 3px 2px;
			border: 1px solid var(--color-text-maxcontrast);
			display: block;
			border-radius: var(--border-radius);
			height: 14px;
			width: 14px;
			box-shadow: none !important;
			background-position: center;
			cursor: pointer;
		}
		&.checked {
			&:before {
				background-image: url('../../img/checkbox-mark.svg');
				background-color: var(--color-primary-element);
				border-color: var(--color-primary-element);
			}
			> label > p {
				color: var(--color-text-maxcontrast);
			}
		}
		label {
			display: block;
			flex-grow: 1;
			max-width: calc(100% - 28px);
		}
	}

	> *:first-child {
		margin-top: 10px;
	}

	> h1,
	h2,
	h3,
	h4,
	h5,
	h6 {
		position: relative;

		&:first-child {
			margin-top: 0;
		}

		.heading-anchor[contenteditable='false'] {
			// Shrink clickable area of anchor permalinks to not overlay the heading
			width: 1em;
			opacity: 0;
			padding: 0;
			left: -1em;
			top: 0;
			font-size: max(1em, 16px);
			position: absolute;
			text-decoration: none;
			transition-duration: 0.15s;
			transition-property: opacity;
			transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
			scroll-margin-top: calc(
				var(--default-clickable-area) + 4 * var(--default-grid-baseline)
			);
		}

		&:hover .heading-anchor {
			opacity: 0.5 !important;
		}

		&:focus-visible {
			outline: none;
		}
	}

	a {
		color: var(--color-primary-element);
		text-decoration: underline;
		padding: 0.5em 0;
	}

	p {
		position: relative;
		margin-bottom: 1em;
		line-height: 150%;
	}

	em {
		font-style: italic;
	}

	h1,
	h2,
	h3,
	h4,
	h5,
	h6 {
		font-weight: 600;
		line-height: 1.1em;
		margin-top: 24px;
		margin-bottom: 12px;
		color: var(--color-main-text);
	}

	h1 {
		font-size: 30px;
	}

	h2 {
		font-size: 26px;
	}

	h3 {
		font-size: 23px;
	}

	h4 {
		font-size: 20px;
	}

	h5 {
		font-size: 17px;
	}

	h6 {
		font-size: var(--default-font-size);
	}

	hr {
		padding: 2px 0;
		border: none;
		margin: 2em 0;
		width: 100%;
	}

	hr:after {
		content: '';
		display: block;
		height: 1px;
		background-color: var(--color-border-dark);
		line-height: 2px;
	}

	pre {
		white-space: pre;
		overflow-x: auto;
		background-color: var(--color-background-dark);
		border-radius: var(--border-radius);
		padding: 1em 1.3em;
		margin-bottom: 1em;

		&::before {
			content: attr(data-language);
			text-transform: uppercase;
			display: block;
			text-align: right;
			font-weight: bold;
			font-size: 0.6rem;
		}
		code {
			// We want line wrapping in plaintext documents only
			white-space: pre !important;
			&.language-plaintext {
				white-space: pre-wrap !important;
			}

			.hljs-comment,
			.hljs-quote {
				color: #999999;
			}
			.hljs-variable,
			.hljs-template-variable,
			.hljs-attribute,
			.hljs-tag,
			.hljs-name,
			.hljs-regexp,
			.hljs-link,
			.hljs-selector-id,
			.hljs-selector-class {
				color: #f2777a;
			}
			.hljs-number,
			.hljs-meta,
			.hljs-built_in,
			.hljs-builtin-name,
			.hljs-literal,
			.hljs-type,
			.hljs-params {
				color: #f99157;
			}
			.hljs-string,
			.hljs-symbol,
			.hljs-bullet {
				color: #99cc99;
			}
			.hljs-title,
			.hljs-section {
				color: #ffcc66;
			}
			.hljs-keyword,
			.hljs-selector-tag {
				color: #6699cc;
			}
			.hljs-emphasis {
				font-style: italic;
			}
			.hljs-strong {
				font-weight: 700;
			}
		}
	}

	pre.frontmatter {
		margin-bottom: 2em;
		border-inline-start: 4px solid var(--color-primary-element);
	}

	pre.frontmatter::before {
		display: block;
		content: attr(data-title);
		color: var(--color-text-maxcontrast);
		padding-bottom: 0.5em;
	}

	code {
		background-color: var(--color-background-dark);
		border-radius: var(--border-radius);
		padding: 0.1em 0.3em;
	}

	li {
		position: relative;
		padding-inline-start: 3px;

		p {
			position: relative;
			margin-bottom: 0.5em;
		}
	}

	li [dir='rtl'] {
		text-align: right;
	}

	li [dir='ltr'] {
		text-align: left;
	}

	ul,
	ol {
		padding-inline-start: 10px;
		margin-inline-start: 10px;
		margin-bottom: 1em;
	}

	ul > li {
		list-style-type: disc;
	}

	// Second-level list entries
	li ul > li {
		list-style-type: circle;
	}

	// Third-level and further down list entries
	li li ul > li {
		list-style-type: square;
	}

	blockquote {
		padding-inline-start: 1em;
		border-inline-start: 4px solid var(--color-primary-element);
		color: var(--color-text-maxcontrast);
		margin-inline: 0;
	}

	// table variables
	--table-color-border: var(--color-border);
	--table-color-heading: var(--color-text-maxcontrast);
	--table-color-heading-border: var(--color-border-dark);
	--table-color-background: var(--color-main-background);
	--table-color-background-hover: var(--color-primary-element-light);
	--table-border-radius: var(--border-radius);

	table {
		border-spacing: 0;
		width: calc(100% - 50px - var(--default-clickable-area));
		table-layout: auto;
		white-space: normal; // force text to wrapping
		margin-bottom: calc(
			var(--clickable-area-small) + var(--default-clickable-area)
		);
		& + * {
			margin-top: 1em;
		}

		td,
		th {
			border: 1px solid var(--table-color-border);
			border-left: 0;
			vertical-align: top;
			max-width: 100%;
			&:first-child {
				border-left: 1px solid var(--table-color-border);
			}
		}
		td {
			border-top: 0;
			color: var(--color-main-text);
		}
		th {
			font-weight: normal;
			border-bottom-color: var(--table-color-heading-border);
			color: var(--table-color-heading);

			& > div {
				display: flex;
			}
		}
		tr {
			background-color: var(--table-color-background);
			&:hover,
			&:active,
			&:focus {
				background-color: var(--table-color-background-hover);
			}
		}

		tr:first-child {
			th:first-child {
				border-top-left-radius: var(--table-border-radius);
			}
			th:last-child {
				border-top-right-radius: var(--table-border-radius);
			}
		}

		tr:last-child {
			td:first-child {
				border-bottom-left-radius: var(--table-border-radius);
			}
			td:last-child {
				border-bottom-right-radius: var(--table-border-radius);
			}
		}
	}
}

.ProseMirror-focused .ProseMirror-gapcursor {
	display: block;
}

.editor__content p.is-empty::before {
	color: var(--color-text-maxcontrast);
	content: attr(data-placeholder);
	float: left;
	height: 0;
	pointer-events: none;
}

.editor__content {
	tab-size: 4;
}

.tippy-content div {
	box-sizing: border-box;
	visibility: visible !important;
}

div.ProseMirror[contenteditable='false'] {
	table {
		width: 100%;
	}
}