// ============================================================================
// :: Loader
// ============================================================================
.a-loader {
	position: relative;

	display: inline-flex;
}

// ============================================================================
// :: Elements
// ============================================================================
.a-loader__outer {
	position: relative;

	width: 2rem;
	height: 3rem;

	border: 0.4rem solid $border-color-primary;

	animation: loader 2s infinite ease;

	&::after {
		content: "";

		position: absolute;
		top: 0;
		left: 50%;

		display: block;
		width: 60%;
		height: 0.8rem;

		background-color: $background-color-primary;

		transform: translateY(-100%) translateX(-50%);
	}
}

.a-loader__inner {
	display: inline-block;
	vertical-align: top;
	width: 100%;
	height: 100%;

	background-color: $background-color-primary;

	transform-origin: bottom center;

	animation: loader-inner 2s infinite ease-in;
}

.a-loader__point {
	display: inline-block;
	width: 0.6rem;
	height: 0.6rem;
	margin: 0.3rem;

	background-color: $background-color-primary;
	border-radius: $border-radius-round;

	animation: wave 0.5s 0s ease-in-out infinite alternate;
}

// ============================================================================
// :: Modifiers
// ============================================================================
.a-loader--simple {
	display: flex;
	justify-content: center;
	align-items: center;
	width: 100%;
	height: auto;
	padding: 3rem 0 2rem;

	border: none;

	animation: none;

	&::after {
		display: none;
	}
}

.a-loader__point--first {
	animation: wave 0.5s 0s ease-in-out infinite alternate;
}

.a-loader__point--middle {
	animation: wave 0.5s 0.15s ease-in-out infinite alternate;
}

.a-loader__point--last {
	animation: wave 0.5s 0.3s ease-in-out infinite alternate;
}

// ============================================================================
// :: Animations
// ============================================================================
@keyframes loader {

	0% {
		transform: rotate(0deg);
	}

	25% {
		transform: rotate(180deg);
	}

	50% {
		transform: rotate(180deg);
	}

	75% {
		transform: rotate(360deg);
	}

	100% {
		transform: rotate(360deg);
	}
}

@keyframes loader-inner {

	0% {
		transform: scaleY(0);
	}

	25% {
		transform: scaleY(0);
	}

	50% {
		transform: scaleY(1);
	}

	75% {
		transform: scaleY(1);
	}

	100% {
		transform: scaleY(0);
	}
}

@keyframes wave {

	0% {
		transform: translateY(0) scale(1, 1);
		transform-origin: 50% 100%;
	}

	100% {
		transform: translateY(-1.2rem) scale(1, 1);
		transform-origin: 50% 100%;
	}
}