woocommerce/plugins/woocommerce-blocks/assets/js/base/components/drawer/style.scss

$drawer-animation-duration: 0.3s;
$drawer-width: 480px;
$drawer-width-mobile: 100vw;

@keyframes fadein {
	from {
		opacity: 0;
	}

	to {
		opacity: 1;
	}
}

@keyframes slidein {
	from {
		transform: translateX(0);
	}

	to {
		transform: translateX(-$drawer-width);
	}
}

@media only screen and (max-width: 480px) {
	@keyframes slidein {
		from {
			transform: translateX(0);
		}

		to {
			transform: translateX(-$drawer-width-mobile);
		}
	}
}

.wc-block-components-drawer__screen-overlay {
	background-color: rgba(95, 95, 95, 0.35);
	bottom: 0;
	left: 0;
	position: fixed;
	right: 0;
	top: 0;
	transition: opacity $drawer-animation-duration;
	z-index: 999;
	opacity: 1;
}

.wc-block-components-drawer__screen-overlay--with-slide-out {
	transition: opacity $drawer-animation-duration;
}

// We can't use transition for the slide-in animation because the element
// doesn't exist in the DOM when not open. Instead, use an animation that
// is triggered when the element is appended to the DOM.
.wc-block-components-drawer__screen-overlay--with-slide-in {
	animation-duration: $drawer-animation-duration;
	animation-name: fadein;
}

.wc-block-components-drawer__screen-overlay--is-hidden {
	pointer-events: none;
	opacity: 0;
}

.wc-block-components-drawer {
	@include with-translucent-border(0 0 0 1px);
	background: #fff;
	display: block;
	height: 100%;
	left: 100%;
	overflow: auto;
	position: fixed;
	right: 0;
	top: 0;
	transform: translateX(-$drawer-width);
	width: $drawer-width;

	@media only screen and (max-width: 480px) {
		transform: translateX(-$drawer-width-mobile);
		width: $drawer-width-mobile;
	}
}

.wc-block-components-drawer__screen-overlay--with-slide-out .wc-block-components-drawer {
	transition: transform $drawer-animation-duration;
}

.wc-block-components-drawer__screen-overlay--with-slide-in .wc-block-components-drawer {
	animation-duration: $drawer-animation-duration;
	animation-name: slidein;
}

.wc-block-components-drawer__screen-overlay--is-hidden .wc-block-components-drawer {
	transform: translateX(0);
}

@media screen and (prefers-reduced-motion: reduce) {
	.wc-block-components-drawer__screen-overlay {
		animation-name: none !important;
		transition: none !important;
	}
	.wc-block-components-drawer {
		animation-name: none !important;
		transition: none !important;
	}
}

.wc-block-components-drawer .components-modal__content {
	padding: $gap-largest $gap;
}

.wc-block-components-drawer .components-modal__header {
	position: relative;

	// Close button.
	.components-button {
		@include reset-box();
		background: transparent;
		position: absolute;
		right: 0;
		top: 0;
		// Increase clickable area.
		padding: 1em;
		margin: -1em;

		> span {
			@include visually-hidden();
		}
	}
}

// Same styles as `Title` component.
.wc-block-components-drawer .components-modal__header-heading {
	@include reset-box();
	// We need the font size to be in rem so it doesn't change depending on the parent element.
	@include font-size(large, 1rem);
	word-break: break-word;
}