body {
	position: absolute;
	width: 100%;
	height: 100%;
	overflow: hidden;
	display: flex;
	font-size: 1rem;
	flex-direction: column;
}

div#header {
	height: 3.5rem;
	display: flex;
	align-items: center;
	background-color: #004279;
	color: white;
}

div#container {
	flex: 1;
	display: flex;
	height: 50vh;	/* dont know why but it works -- scroll bar visible */
}

/* ----- NAV ------- */
div#container div#nav.minimized {
	max-width: 0px;
	transition: max-width 0.25s ease-out;
	overflow: hidden;
}
div#container div#nav.minimized div.app-version {
	opacity: 0;
	transition: opacity 0.5s;
}
	
div#container div#nav {
	width: 15rem;
	background-color: #f3f3f3;	/* nav pane backcolor */
	overflow-y: auto;
	height: 100%;
	box-shadow: 0px 0px 5px 1px rgb(0,0,0,0.5);
	
	max-width: 15rem;
	transition: max-width 0.25s ease-out;
	white-space: nowrap;
}
div#container div#nav div.app-version {
	min-width: 10rem;
	overflow-x: hidden;
}

div#container div#nav a,
div#container div#nav div.menu-group-title { 
	text-decoration: none;
	display: block;
	height: 2.75rem;
	line-height: 2.75rem;
	padding: 0px 0.5rem; 
	margin: 0px;
	cursor: pointer;
	color: #333; 
	font-size: 0.85rem;
}

div#container div#nav a:hover,
div#container div#nav div.menu-group-title:hover,
div#container div#nav div.menu-group div.menu-group-items a:hover { 
	color: steelblue;			/* when hover */
}

div#container div#nav div.menu-group div.menu-group-items a {
	padding-left: 3.25rem;
}

div#container div#nav a.active,
div#container div#nav div.menu-group.active div.menu-group-title { 
	background-color: #1c405f;	/* when selected */
	color: white;
}

div#container div#nav div.menu-group.active div.menu-group-items a.active {
	background-color: #1175c3; 	/* submenu item when selected */
	color: white;
}

div#container div#nav a i.fa,
div#container div#nav div.menu-group div.menu-group-title i.fa {
	display: inline-block;
	min-width: 2.5rem;
	text-align: center;
}

div#container div#nav div.menu-group {
	width: 100%;
}
div#container div#nav div.menu-group div.menu-group-title {
	display: flex;
	justify-content: space-between;
}
div#container div#nav div.menu-group div.menu-group-title:after {
	font-family: "Font Awesome 5 Free"; 
	font-weight: 600; 
	content: "\f054";
	font-size: 0.75em;
	margin-right: 0.5em;
	transform: rotate(0deg);
	transition-duration: 0.3s;
}

div#container div#nav div.menu-group.active div.menu-group-title:after {
	transform: rotate(90deg);
	transition-duration: 0.3s;
}

div#container div#nav div.menu-group div.menu-group-items a {
	max-height: 0px;
	transition: max-height 0.15s linear;
	overflow: hidden;
}
div#container div#nav div.menu-group.active div.menu-group-items a {
	max-height: 3rem;
	transition: max-height 0.15s linear;
}

/* ----- CONTENT ------- */
div#container div#content {
	flex: 1;
	margin-left: 5px;
	overflow-y: auto;
	height: 100%;
	
	background-color: #f5f5f5;
}

div#container div#content article {
	padding: 0.25rem;
}

/* ----- ARTICLE ------- */
div#content article div.article-title {
	font-size: 1.75rem;
	line-height: 2rem;
	display: flex;
	align-items: center;
	margin-bottom: 0.5rem;
}

/* ----- PRINT ------- */


@media print {
	body {
		position: initial;
		width: initial;
		height: initial;
		overflow: initial;
		display: initial;
	}
	div#header { 
		color: #555;
		border-bottom: 1px solid #888;
		margin-bottom: 5px;
		padding-bottom: 5px;
	}
	div#container div#nav { display: none; }
	div#container div#content {
		overflow-y: initial;
		height: initial;
	}
}

/* special menu effect for mobile */
@media only screen and (max-width: 992px) {
	body #container {
		position: relative;
	}
	body #container #nav {
		position: absolute;
		z-index: 100;
	}
	body #container #nav:not([class="minimized"]) ~#content #nav-mask {
		position: absolute;
		top: 0; bottom: 0; left: 0; right: 0;
		z-index: 99;
		background-color: #000;
		opacity: 0.5;
		filter: brightness(0.7) blur(1px) contrast(0.7);
		-webkit-transition: 0.5s -webkit-filter linear;
		-moz-transition: 0.5s -moz-filter linear;
		-moz-transition: 0.5s filter linear;
		-ms-transition: 0.5s -ms-filter linear;
		-o-transition: 0.5s -o-filter linear;
		transition: 0.5s filter linear, 0.5s -webkit-filter linear;
		display: block;
	}

	body #container #nav.minimized ~#content #nav-mask {
		display: none;
	}
}