_tooltip.less

// Base class
.tooltip {
	position: absolute;
	z-index: @zindex-tooltip;
	display: block;
	margin: @tooltip-margin;
	// Our parent element can be arbitrary since tooltips are by default inserted as a sibling of their target element.
	// So reset our font and text properties to avoid inheriting weird values.
	#reset-text();
	#font-size(@tooltip-font-size);
	// Allow breaking very long words so they don't overflow the tooltip's bounds
	word-wrap: break-word;
	opacity: 0;

	&.show { opacity: @tooltip-opacity; }

	.arrow {
		position: absolute;
		display: block;
		width: @tooltip-arrow-width;
		height: @tooltip-arrow-height;

		&::before {
			position: absolute;
			content: "";
			border-color: transparent;
			border-style: solid;
		}
	}
}

.bs-tooltip-top {
	padding: @tooltip-arrow-height 0;

	.arrow {
		bottom: 0;

		&::before {
			top: 0;
			border-width: @tooltip-arrow-height (@tooltip-arrow-width / 2) 0;
			border-top-color: @tooltip-arrow-color;
		}
	}
}

.bs-tooltip-right {
	padding: 0 @tooltip-arrow-height;

	.arrow {
		left: 0;
		width: @tooltip-arrow-height;
		height: @tooltip-arrow-width;

		&::before {
			right: 0;
			border-width: (@tooltip-arrow-width / 2) @tooltip-arrow-height (@tooltip-arrow-width / 2) 0;
			border-right-color: @tooltip-arrow-color;
		}
	}
}

.bs-tooltip-bottom {
	padding: @tooltip-arrow-height 0;

	.arrow {
		top: 0;

		&::before {
			bottom: 0;
			border-width: 0 (@tooltip-arrow-width / 2) @tooltip-arrow-height;
			border-bottom-color: @tooltip-arrow-color;
		}
	}
}

.bs-tooltip-left {
	padding: 0 @tooltip-arrow-height;

	.arrow {
		right: 0;
		width: @tooltip-arrow-height;
		height: @tooltip-arrow-width;

		&::before {
			left: 0;
			border-width: (@tooltip-arrow-width / 2) 0 (@tooltip-arrow-width / 2) @tooltip-arrow-height;
			border-left-color: @tooltip-arrow-color;
		}
	}
}

.bs-tooltip-auto {
	&[x-placement^="top"] {
		&:extend(.bs-tooltip-top all);
	}
	&[x-placement^="right"] {
		&:extend(.bs-tooltip-right all);
	}
	&[x-placement^="bottom"] {
		&:extend(.bs-tooltip-bottom all);
	}
	&[x-placement^="left"] {
		&:extend(.bs-tooltip-left all);
	}
}

// Wrapper for the tooltip content
.tooltip-inner {
	max-width: @tooltip-max-width;
	padding: @tooltip-padding-y @tooltip-padding-x;
	color: @tooltip-color;
	text-align: center;
	background-color: @tooltip-bg;
	#border-radius(@tooltip-border-radius);
}