Collapsing sidebar - Stylus editor by JoesMamma

/* ==UserStyle==
@name           Collapsing sidebar - Stylus Editor
@namespace      github.com/openstyles/stylus
@homepageURL    https://userstyles.world/style/11534/collapsing-sidebar-stylus-editor
@version        2023.09.27.2043
@description    Hover the left edge of the screen to open the sidebar. Compatible with "Complete themes - Stylus editor" ( install here: https://userstyles.world/style/9548 ).
@author         Joe's Mamma  ——  https://userstyles.world/user/JoesMamma  ——  feedback.joesmamma@gmail.com
==/UserStyle== */
@-moz-document regexp("^((moz|chrome)-)?extension:\\/\\/[a-z0-9-]+\\/edit\\.html(\\?id=[0-9]+)?$") {
/* Insert code here...
*/

html:not(.compact-layout) #sections,
html:not(.compact-layout) #sections * {
	--header-width: 0px !important;
}

html:not(.compact-layout) #header {
	position: fixed;
	transition: margin .6s cubic-bezier(.3, 1.3, .5, 1);
}

html:not(.compact-layout) #header::before {
	content: "";
	position: fixed;
	left: 0;
	top: 0;
	width: 8px;
	height: inherit;
	background-color: inherit;
	z-index: -1;
}

html:not(.compact-layout) #header:not(:hover):not(:active):not(:focus-within) {
	box-shadow: none;
	margin-left: calc(var(--header-width) * -1 + 8px);
	transition: margin .7s cubic-bezier(.4, 1.4, .5, 1), box-shadow 2s linear;
}

html:not(.compact-layout) #header:not(:hover):not(:active):not(:focus-within)::before {
	background-color: transparent;
}

/*
End
*/

}