:root {
	--gsuiTrack-duration: .2s;
	--gsuiTrack-bg: #444;
	--gsuiTrack-bg-mute: #393939;
	--gsuiTrack-row-bg-mute: rgba( 0, 0, 0, .25 );
	--gsuiTrack-color: #eee;
	--gsuiTrack-borderTop-color: rgba( 255, 255, 255, .07 );
	--gsuiTrack-borderBottom-color: rgba( 0, 0, 0, .4 );
}

.gsuiTrack,
.gsuiTrack-row {
	box-sizing: border-box;
	display: flex;
	height: 1em;
	border: 0 solid;
	border-width: 1px 0;
	border-top-color: var( --gsuiTrack-borderTop-color );
	border-bottom-color: var( --gsuiTrack-borderBottom-color );
	background-color: var( --gsuiTrack-bg );
}
.gsuiTrack,
.gsuiTrack-row,
.gsuiTrack-toggle::before {
	transition: background-color var( --gsuiTrack-duration );
}
.gsuiTrack-row {
	position: relative;
	display: block;
	background-color: transparent;
}
.gsuiTrack-row > div {
	position: absolute;
	top: 0;
	bottom: 0;
	width: 100%;
}
.gsuiTrack.gsui-mute {
	background-color: var( --gsuiTrack-bg-mute );
}
.gsuiTrack-row.gsui-mute {
	background-color: var( --gsuiTrack-row-bg-mute );
}

/* .......................................................................... */
.gsuiTrack-toggle {
	display: flex;
	min-width: 24px;
	align-items: center;
	justify-content: center;
}
.gsuiTrack-toggle::before {
	content: "";
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background-color: #ffa;
}
.gsui-mute .gsuiTrack-toggle::before {
	background-color: rgba( 255, 255, 255, .1 );
}
.gsuiTrack-nameWrap {
	position: relative;
	flex: 1;
}
.gsuiTrack-name {
	box-sizing: border-box;
	position: absolute;
	top: 0;
	width: 100%;
	height: 100%;
	border: 0;
	padding-right: 10px;
	font-size: 12px;
	font-weight: bold;
	text-overflow: ellipsis;
	color: var( --gsuiTrack-color );
	cursor: default;
	background-color: transparent;
}
.gsui-mute .gsuiTrack-name {
	opacity: .5;
}
.gsuiTrack-name:focus {
	font-weight: normal;
}

.gsuiTrack-name::placeholder {
	color: #fff;
	font-style: italic;
	font-weight: normal;
	opacity: .3;
}
.gsuiTrack-name::-ms-input-placeholder {
	font-style: italic;
	font-weight: normal;
	opacity: .3;
}
.gsuiTrack-name:focus::placeholder { color: transparent; }
.gsuiTrack-name:focus::-ms-input-placeholder { color: transparent; }