// 
// Group
// ==============================

// base

.Group {
	.retina-1px-border-top-and-bottom( rgba(0,0,0,0.17) );
	background-color: @group-bg;
	color: @group-color;
	display: block;
	margin-bottom: @gutter-lg;

	// provide a nice gutter between the first group and the header
	&:first-child {
		margin-top: @gutter-lg;
	}

	// when you want the whole group to be tappable
	&.Tappable-active {
		.transition( background-color 10ms linear 10ms ); // delay the tap highlight, it may just be a scroll
		background-color: @item-bg-tap;
	}

	// transition in and out of tap bg highlight
	&.Tappable-inactive {
		.transition( background-color 200ms );
	}
}

// group headings
// sits above the group, giving it a title

.GroupHeader {
	color: @group-header-color;
	font-size: 80%;
	line-height: 1;
	text-transform: uppercase;
	
	// use margin for vertical spacing to take advantage of collapsing
	margin-bottom: @gutter-base;
	margin-top: @gutter-lg;
	padding-left: @padding-base-horizontal;
	padding-right: @padding-base-horizontal;
}

// group footer
// sits below the group, use if the group needs further explanation

.GroupFooter {
	color: @group-footer-color;
	font-size: 80%;
	line-height: 1.1;
	
	margin-bottom: @gutter-lg;
	margin-top: -(@gutter-lg / 2);
	padding-left: @padding-base-horizontal;
	padding-right: @padding-base-horizontal;
}

// body

.GroupBody {
	line-height: 1.3;
	padding: @padding-base-vertical @padding-base-horizontal;

	& + & {
		box-shadow: 0 -1px 0 rgba(0, 0, 0, 0.1);
	}
}