.icon
{
	display: inline-block;
	padding-right: 0.25rem;
}

.custom-alert
{
	display: flex;
	align-items: stretch;
	background-color: var(--main-background);
	border-radius: 0.5rem;
	margin: 2.5rem 0.5rem;
}

.custom-alert .alert-icon, .custom-alert .content {
	padding: 1.5rem;
}

.custom-alert .alert-icon
{
	display: flex;
	align-items: center;
	justify-content: center;
	background-color: var(--icon-background);
	color: var(--icon-colour);
	text-align: center;
}

.custom-alert .alert-icon, .custom-alert .content p, .custom-alert .content ol, .custom-alert .content ul {
	margin: 0;
}

.custom-alert .content p
{
	font-size: 0.95rem;
	text-align: left;
}

.custom-alert .content p + p, .custom-alert .content p + ul, .custom-alert .content ul + p {
	margin-top: 1rem;
}

.custom-alert.info
{
	--main-background: rgb(231, 245, 255);
	--icon-background: rgb(116, 192, 252);
	--icon-colour: rgb(19, 109, 200);
	color: rgb(0, 55, 114);
}

.custom-alert.warning
{
	--main-background: rgb(255, 249, 219);
	--icon-background: rgb(255, 224, 102);
	--icon-colour: rgb(242, 152, 4);
	color: rgb(97, 73, 3);
}

header
{
	box-shadow: $box-shadow-colour 0 0.25rem 0.75rem 0;
	border-bottom: 1px solid rgb(212, 218, 223);
	background-color: #fafafa;
}

header .logo {
	height: $header-height - ($header-padding * 2);
}

header .navtoggle a, header .to-top a {
	padding: $header-padding;
}

header .navtoggle a, header .navtoggle a:hover, header .to-top a, header .to-top a:hover
{
	text-decoration: none;
	color: #000;
}

nav, .contents {
	font-size: 0.9rem;
}

nav
{
	border-right: 1px solid $default-border-colour;
	background-color: rgb(245, 247, 249);
}

nav .chapter, .contents .heading, article .chapter, .prev-next a .label, .prev-next a .label:hover
{
	color: #8a96a1;
	text-transform: uppercase;
	font-weight: 700;
	margin: 0;
}

nav ul + .chapter {
	margin-top: 2rem;
}

nav ul, nav ul li, .contents ul, .contents ul li
{
	list-style-type: none;
	padding: 0;
	margin: 0;
}

.contents ul li ul {
	padding-left: 1.25rem;
}

.contents ul li {
	max-width: 18rem;
}

nav ul li a, nav ul li a:hover,
.contents ul li a, .contents ul li a:hover,
footer a, footer a:hover,
.prev-next a
{
	color: rgb(59, 69, 78);
	text-decoration: none;
}

nav ul:last-child {
	padding-bottom: $header-height / 2;
}

nav .chapter, nav ul li a, .contents .heading, .contents ul li a {
	padding: 0.5rem 1rem;
}

nav .chapter, nav ul li a {
	padding-right: $sidebar-padding;
}

nav ul li a
{
	border: 1px solid transparent;
	font-weight: 600;
	cursor: pointer;
	display: block;
}

nav ul li a:hover {
	background-color: $default-border-colour;
}

nav ul li.selected a, nav ul li.selected a:hover, .contents ul li a:hover, .prev-next a:hover {
	color: $link-hover-colour;
}

nav ul li.selected a, nav ul li.selected a:hover
{
	background-color: #fff;
	border: 1px solid $default-border-colour;
}

.contents .inner {
	border-left: 1px solid $default-border-colour;
}

nav ul li a, nav ul li.selected a, nav ul li.selected a:hover {
	border-right: none;
}

/*
	Offset heading anchors to prevent them from being covered by the sticky header
	(Adapted from the code in this SO answer: <https://stackoverflow.com/a/22655654>)
*/
article :target::before
{
	content: "";
	display: block;
	height: $header-height * 1.5;
	margin: #{0 - ($header-height * 1.5)} 0 0;
}

article strong, article table th {
	font-weight: 600;
}

article .chapter
{
	margin-bottom: 0.5rem;
	font-size: 0.9rem;
}

article .contents-inline + * {
	margin-top: 6rem;
}

article h1, article h2, article h3, article h4 {
	font-weight: 600;
}

article h1 {
	margin-bottom: 5rem;
}

article h2
{
	margin-top: 6rem;
	margin-bottom: 2rem;
}

article h2:first-child {
	margin-top: 0;
}

article h3
{
	font-size: 1.5rem;
	margin-top: 3rem;
	margin-bottom: 2rem;
}

article h4
{
	font-size: 1.1rem;
	margin-top: 2rem;
	margin-bottom: 1rem;
}

article p {
	line-height: 1.6rem;
}

article li {
	line-height: 1.75rem;
}

article p + ul {
	margin: 2rem 0;
}

article .table-wrapper
{
	margin: 2rem 0;
	overflow-x: auto;
}

article table
{
	border-color: $default-border-colour;
	border-collapse: collapse;
	border-spacing: 0;
	min-width: 100%;
	margin: 0;
}

article table th, article table td
{
	border: 1px solid $default-border-colour;
	padding: 0.75rem 1rem;
}

article table thead tr, article table th {
	background-color: #fafafa;
}

article figure {
	margin: 3rem 0.5rem;
}

article figcaption
{
	text-align: center;
	font-weight: 600;
	margin-top: 1rem;
}

article blockquote
{
	border-left: 0.25rem solid #ccc;
	margin: 2rem 1rem;
	padding-left: 1rem;
	color: #777;
}

article p code, article li code, article th code, article td code
{
	background-color: rgba(0, 0, 0, 0.04);
	padding: 0.25rem 0.5rem;
	border-radius: 0.25rem;
	display: inline-block;
	margin: 0 0.1rem;
	color: #000;
}

article li code {
	line-height: 1.25rem;
}

article a code
{
	display: inline;
	margin: 0;
	color: inherit;
	word-wrap: break-word;
	white-space: normal;
}

article pre
{
	background-color: rgb(247, 247, 247);
	border: 1px solid rgb(214, 216, 219);
	border-radius: 0.25rem;
	padding: 1.5rem;
	line-height: 1.5rem;
	white-space: pre-wrap;
	word-wrap: break-word;
}

article pre, article pre code {
	font-size: 0.95rem;
}

article .footnote:before {
	content: "[";
}

article .footnote:after {
	content: "]";
}

.detail-list li p:first-child
{
	font-weight: 600;
	margin-bottom: 0;
}

.prev-next {
	margin-top: $header-height * 1.5;
}

.prev-next a
{
	display: flex;
	flex-direction: row;
	align-items: center;
	border: 1px solid $default-border-colour;
	box-shadow: $box-shadow-colour 0 0 0.5rem 0;
	transition: all 0.3s ease;
	border-radius: 0.25rem;
	padding: 1rem;
}

.prev-next a:hover {
	border: 1px solid $link-hover-colour;
}

.prev-next a .icon
{
	flex: 0 0 auto;
	padding: 0 0.5rem;
}

.prev-next a div {
	flex: 1;
}

.prev-next a p {
	margin: 0;
}

.previous a p {
	text-align: right;
}

.next a p {
	text-align: left;
}

.prev-next a .label {
	font-size: 0.9rem;
}

.prev-next a .title {
	font-weight: 600;
}

footer
{
	font-size: 0.9rem;
	color: rgb(157, 170, 182);
	border-top: 2px solid $default-border-colour;
	margin-top: 2rem;
	padding-top: 2rem;
}

footer p {
	margin: 0;
}

footer .to-top {
	padding-left: 2rem;
}