overleaf/services/web/public/stylesheets/app/editor/review-panel.less

@rp-base-font-size		: 12px;
@rp-small-font-size		: 10px;
@rp-icon-large-size		: 22px;

@rp-bg-blue				: #dadfed;
@rp-bg-dim-blue			: #fafafa;
@rp-highlight-blue		: #8a96b5;

@rp-border-grey			: #d9d9d9;

@rp-green				: #2c8e30;
@rp-dim-green			: #cae3cb;
@rp-red					: #c5060b;
@rp-dim-red				: #f3cdce;
@rp-yellow				: #f3b111;
@rp-dim-yellow			: #ffe9b2;

@rp-type-blue			: #6b7797;
@rp-type-darkgrey		: #3f3f3f;

@rp-entry-ribbon-width	: 4px;
@rp-entry-arrow-width	: 4px;
@rp-semibold-weight		: 600;
@review-panel-width		: 230px;
@review-off-width		: 22px;

@rp-scroller-offset		: 30px;


.triangle(@_, @width, @height, @color) {
	position: absolute;
	border-color: transparent;
	border-style: solid;
	width: 0;
	height: 0;
}
	.triangle(top, @width, @height, @color) {
		border-width: 0 @width/2 @height @width/2;
		border-bottom-color: @color;
		border-left-color: transparent;
		border-right-color: transparent;
	}
	.triangle(bottom, @width, @height, @color) {
		border-width: @height @width/2 0 @width/2;
		border-top-color: @color;
		border-left-color: transparent;
		border-right-color: transparent;
	}
	.triangle(right, @width, @height, @color) {
		border-width: @height/2 0 @height/2 @width;
		border-left-color: @color;
		border-top-color: transparent;
		border-bottom-color: transparent;
	}
	.triangle(left, @width, @height, @color) {
		border-width: @height/2 @width @height/2 0;
		border-right-color: @color;
		border-top-color: transparent;
		border-bottom-color: transparent;
	}

#review-panel {
	display: none;
	position: absolute;
	width: @review-off-width; 
	top: 0px;
	bottom: 0px;
	right: 0px;
	background-color: @rp-bg-blue;
	border-left: solid 1px @rp-border-grey;
	font-size: @rp-base-font-size;
	color: @rp-type-blue;
	overflow: hidden; // Stop inner hidden scroll bar showing
}

.review-panel-toolbar {
	display: none;
	height: 32px;
	padding: 6px;
	border-bottom: 1px solid @rp-border-grey;
	background-color: @rp-bg-dim-blue;
	text-align: center;
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	z-index: 2;
}

.rp-entry-list {
	// TODO: Use a more cross-browser method of hiding the scroll bar
	width: @review-off-width + @rp-scroller-offset;
	padding-right: @rp-scroller-offset;
	overflow-y: scroll;
	position: absolute;
	top: 0;
	bottom: 0;
}

.rp-entry-list-inner {
	position: relative;
}

.rp-entry-indicator {
	display: block;
	position: absolute;
	left: 2px;
	right: 2px;
	text-align: center;
	background-color: @rp-highlight-blue;
	border-radius: 3px;
	color: #FFF;
	cursor: pointer;
	transition: top 0.3s, left 0.1s, right 0.1s;
	
	&-focused {
		left: 0px;
		right: 4px;
		z-index: 1;
	}
}

.rp-entry-wrapper {
	&:hover > .rp-entry-insert,
	&:hover > .rp-entry-delete,
	&:hover > .rp-entry-comment {
		display: block;
	}
}

.rp-entry {
	display: none;
	position: absolute;
	left: @review-off-width + @rp-entry-arrow-width;
	width: @review-panel-width;
	border-left: solid @rp-entry-ribbon-width transparent;
	border-radius: 3px;
	background-color: #FFF;
	transition: top 0.3s, left 0.1s, right 0.1s;
	box-shadow: 0 0 10px 5px rgba(0, 0, 0, .2);

	&::before {
		.triangle(left, @rp-entry-arrow-width, 6px, inherit);
		top: (@review-off-width / 2) - @rp-entry-arrow-width;
		left: -(@rp-entry-ribbon-width  + @rp-entry-arrow-width);
		content: '';
	}

	&-insert {
		border-color: @rp-green;
	}

	&-delete {
		border-color: @rp-red;
	}

	&-comment {
		border-color: @rp-yellow;
	}

	&-add-comment {
		background-color: transparent;
		right: auto;
		border-left-width: 0;

		&.rp-entry-adding-comment {
			background-color: #FFF;
			right: 5px;
			border-left-width: 3px;
			border-left-color: @rp-yellow;
		}
	}
}

	.rp-entry-header {
		display: flex;
		align-items: center;
		padding: 5px;
	}
		.rp-entry-action-icon {
			font-size: @rp-icon-large-size;
			padding: 0 5px;
			line-height: 0;
		}

		.rp-entry-metadata {
			flex-grow: 1;
			padding: 0 5px;
			line-height: 1.2;
		}
			.rp-entry-metadata-line {
				margin: 0;
			}

	.rp-entry-body {
		padding: 5px;
	}
		.rp-content-highlight {
			color: @rp-type-darkgrey;
			font-weight: @rp-semibold-weight;
			text-decoration: none;

			.rp-entry-delete & {
				text-decoration: line-through;
			}
		}

	.rp-entry-actions {
		display: flex;
	}
		.rp-entry-button {
			flex: 1 0 50%;
			background-color: @rp-highlight-blue;
			color: #FFF;
			text-align: center;
			border-right: solid 1px #FFF;
			padding: 2px 0;

			&:hover,
			&:focus {
				background-color: darken(@rp-highlight-blue, 5%);
				text-decoration: none;
				color: #FFF;
			}

			&:last-child {
				border-bottom-right-radius: 3px;
				border-right-width: 0;
			}
		}

	.rp-comment {
		display: flex;
		align-items: flex-start;
		padding: 5px;
		
		&.rp-comment-self .rp-comment-body {
			margin-left: 0;
			margin-right: 9px;

			&::after {
				content: "\25BA";
				left: auto;
				right: -9px;
			}
		}
	}
		.rp-comment-body {
			position: relative;
			background-color: currentColor;
			flex-grow: 1;
			padding: 2px 5px;
			margin-left: 9px;
			border-radius: 3px;

			&::after {
				content: "\25C4";
				position: absolute;
				top: 3px;
				left: -9px;
				font-size: 1.2em;
				line-height: 1;
			}
		}
			.rp-comment-content {
				margin: 0;
				color: @rp-type-darkgrey;
			}

			.rp-comment-metadata {
				color: @rp-type-blue;
				font-size: @rp-small-font-size;
				margin: 0;
			}

		.rp-comment-reply {
			padding: 0 5px;
		}

	.rp-add-comment-btn {
		display: block;
		background-color: @rp-highlight-blue;
		color: #FFF;
		padding: 5px 10px;
		border-radius: 3px;

		&:hover,
		&:focus {
			background-color: darken(@rp-highlight-blue, 5%);
			text-decoration: none;
			color: #FFF;
		}
	}

	.rp-new-comment {
		padding: 5px;
	}

	.rp-comment-input {
		width: 100%;
		font-size: @rp-base-font-size;
		padding: 2px 5px;
		border-radius: 3px;
		border: solid 1px @rp-border-grey;
		resize: vertical;
	}

.rp-avatar {
	border-radius: 3px;
	font-weight: @rp-semibold-weight;
	font-size: @rp-icon-large-size;
	line-height: 1.2;
	text-transform: uppercase;
	color: #FFF;
	width: 1.3em;
	height: 1.3em;
	text-align: center;
}

.rp-icon-delete {
	display: inline-block;
	line-height: 1;
	font-style: normal;
	font-size: 0.8em;
	text-decoration: line-through;
	font-weight: @rp-semibold-weight;
	&::before {
		content: 'Ab';
	}
}

.rp-entry-callout {
	position: absolute;
	width: 1px;
	border-top: 1px solid grey;
	border-right: 1px dashed grey;
	&::after {
		content: "";
		position: absolute;
		width: 1px;
		top: -1px;
		left: 3px;
		bottom: 0;
		border-bottom: 1px solid grey;
	}
	
	&-inverted {
		border-top: none;
		border-bottom: 1px solid grey;
		&::after {
			top: 0px;
			bottom: -1px;
			border-top: 1px solid grey;
			border-bottom: none;
		}
	}
	
	&-insert {
		border-color: @rp-green;
		&::after {
			border-color: @rp-green;
		}
	}
	
	&-delete {
		border-color: @rp-red;
		&::after {
			border-color: @rp-red;
		}
	}
	
	&-comment {
		border-color: @rp-yellow;
		&::after {
			border-color: @rp-yellow;
		}
	}
}

.rp-nav {
	display: none;
	position: absolute;
	bottom: 0;
	width: 100%;
	font-size: @rp-icon-large-size;
	text-align: center;
	background-color: @rp-bg-dim-blue;
	border-top: solid 1px @rp-border-grey;
}
	.rp-nav-item {
		color: lighten(@rp-type-blue, 25%);
		flex: 0 0 50%;
		border-top: solid 3px transparent;
		padding-bottom: 2px;

		&:hover,
		&:focus {
			text-decoration: none;
			color: @rp-type-blue;
		}

		&-active {
			color: @rp-type-blue;
			border-top: solid 3px @rp-highlight-blue;
		}
	}
		.rp-nav-label {
			display: block;
			font-size: @rp-base-font-size;
		}


.has-entries {
	#editor {
		right: @review-off-width;
		.ace-editor-body {
			overflow: visible;
		}
	}

	#review-panel {
		display: block;
	}
}

.has-review-panel {
	#editor {
		right: @review-panel-width;
		left: 0px;
		width: auto;
		.ace-editor-body {
			overflow: visible;
			.ace_scrollbar-v {
				right: -@review-panel-width;
			}
		}
	}

	#review-panel {
		display: block;
		width: @review-panel-width;
		overflow: hidden;
	}

		.review-panel-toolbar {
			display: block;
		}

		.rp-entry-list {
			width: @review-panel-width + @rp-scroller-offset;
		}

			.rp-entry {
				display: block;
				left: 5px;
				right: 5px;
				width: auto;
				box-shadow: none;

				&::before {
					content: none;
				}

				&-focused {
					left: 0px;
					right: 10px;
					z-index: 1;
				}

				&-add-comment {
					right: auto;

					&.rp-entry-adding-comment {
						right: 5px;
					}
				}
			}
			
			.rp-entry-callout {
				width: 3px;
				&::after {
					width: 3px;
				}
			}

			.rp-entry-indicator {
				display: none;
			}

		.rp-nav {
			display: flex;
		}
}