/* Classless.css v1.0

Table of Contents:
 1. Theme Settings
 2. Reset
 3. Base Style
 4. Extras  (remove unwanted)
 5. Classes  (remove unwanted)
*/

/* 1. Theme Settings ––––––––––––––––––––-–––––––––––––– */


:root,
html[data-theme='light'] {
	--rem: 12pt;
	--width: 50rem;
	--navpos: absolute;
	/* fixed | absolute */
	--font-p: 1em/1.7 'Open Sans', 'DejaVu Sans', FreeSans, Helvetica, sans-serif;
	--font-h: .9em/1.5 'Open Sans', 'DejaVu Sans', FreeSans, Helvetica, sans-serif;
	--font-c: .9em/1.4 'DejaVu Sans Mono', monospace;
	--border: 1px solid var(--cmed);
	--ornament: "‹‹‹ ›››";
	/* foreground   | background color */
	--cfg: #433;
	--cbg: #fff;
	--cdark: #888;
	--clight: #f5f6f7;
	--cmed: #d1d1d1;
	--clink: #07c;
	--cemph: #088;
	--cemphbg: #0881;
}


/* 2. Reset –––––––––––––––––––––––––––––––––––––––––––– */

/* reset block elements  */
* {
	box-sizing: border-box;
	border-spacing: 0;
	margin: 0;
	padding: 0;
}

header,
footer,
figure,
table,
video,
details,
blockquote,
ul,
ol,
dl,
fieldset,
pre,
pre>code,
caption {
	display: block;
	margin: 0.5rem 0rem 1rem;
	width: 100%;
	overflow: auto hidden;
	text-align: left;
}

video,
summary,
input,
select {
	outline: none;
}

/* reset clickable things  (FF Bug: select:hover prevents usage) */
a,
button,
select,
summary {
	color: var(--clink);
	cursor: pointer;
}


/* 3. Base Style ––––––––––––––––––––––––––––––––––––––– */
html {
	font-size: var(--rem);
	background: var(--cbg);
}

body {
	position: relative;
	margin: auto;
	max-width: var(--width);
	font: var(--font-p);
	color: var(--cfg);
	padding: 3.0rem 0.6rem 0;
	overflow-x: hidden;
}

body>footer {
	margin: 10rem 0rem 0rem;
	font-size: 90%;
}

p {
	margin: .6em 0;
}

/* links */
a[href] {
	text-decoration: underline solid var(--cmed);
	text-underline-position: under;
}

a[href^="#"] {
	text-decoration: none;
}

a:hover,
button:not([disabled]):hover,
summary:hover {
	filter: brightness(92%);
	color: var(--cemph);
	border-color: var(--cemph);
}

/* lists */
ul,
ol,
dl {
	margin: 1rem 0;
	padding: 0 0 0 2em;
}

li:not(:last-child),
dd:not(:last-child) {
	margin-bottom: 0.5rem;
}

dt {
	font-weight: bold;
}

/* headings */
h1,
h2,
h3,
h4,
h5 {
	margin: 1.5em 0 .5rem;
	font: var(--font-h);
	line-height: 1.2em;
	clear: both;
}

h1+h2,
h2+h3,
h3+h4,
h4+h5 {
	margin-top: .5em;
	padding-top: 0;
}

/* non-clashing headings */
h1 {
	font-size: 2.2em;
	font-weight: 300;
}

h2 {
	font-size: 2.0em;
	font-weight: 300;
	font-variant: small-caps;
}

h3 {
	font-size: 1.5em;
	font-weight: 400;
}

h4 {
	font-size: 1.1em;
	font-weight: 700;
}

h5 {
	font-size: 1.2em;
	font-weight: 400;
	color: var(--cfg);
}

h6 {
	font-size: 1.0em;
	font-weight: 700;
	font-style: italic;
	display: inline;
}

h6+p {
	display: inline;
}

/* tables */
td,
th {
	padding: 0.5em 0.8em;
	text-align: right;
	border-bottom: 0.1rem solid var(--cmed);
	white-space: nowrap;
	font-size: 95%;
}

thead th[colspan] {
	padding: .2em 0.8em;
	text-align: center;
}

thead tr:not(:only-child) td {
	padding: .2em 0.8em;
}

thead+tbody tr:first-child td {
	border-top: 0.1rem solid var(--cdark);
}

td:first-child,
th:first-child {
	text-align: left;
}

tr:hover {
	background-color: var(--clight);
}

table img {
	display: block;
}

/* figures */
img,
svg {
	max-width: 100%;
	vertical-align: text-top;
	object-fit: cover;
}

p>img:not(:only-child) {
	float: right;
	margin: 0 0 .5em .5em;
}

figure>img {
	display: inline-block;
	width: auto;
}

figure>img:only-of-type,
figure>svg:only-of-type {
	max-width: 100%;
	display: block;
	margin: 0 auto 0.4em;
}

figcaption,
caption {
	font: var(--font-h);
	color: var(--cdark);
	width: 100%;
}

figcaption>*:first-child,
caption>*:first-child {
	display: inline-block;
	margin: 0;
}

figure>*:not(:last-child) {
	margin-bottom: 0.4rem;
}

/* code */
pre>code {
	margin: 0;
	position: relative;
	padding: 0.8em;
	border-left: .4rem solid var(--cemph);
}

code,
kbd,
samp {
	padding: 0.2em;
	font: var(--font-c);
	background: var(--clight);
	border-radius: 4px;
}

kbd {
	border: 1px solid var(--cmed);
}

/* misc */
blockquote {
	border-left: 0.4rem solid var(--cmed);
	padding: 0 0 0 1rem;
}

time {
	color: var(--cdark);
}

hr {
	border: 0;
	border-top: 0.1rem solid var(--cmed);
}

nav {
	width: 100%;
	background-color: var(--clight);
	padding-left: 10;
}

::selection,
mark {
	background: var(--clink);
	color: var(--cbg);
}


/* 4. Extra Style –––––––––––––––––––––––––––––––––––––– */

/* Auto Numbering: figure/tables/headings/cite */
article {
	counter-reset: h2 0 h3 0 tab 0 fig 0 lst 0 ref 0 eq 0;
}

article figure figcaption:before {
	color: var(--cemph);
	counter-increment: fig;
	content: "Figure " counter(fig) ": ";
}

/* subfigures */
figure {
	counter-reset: subfig 0
}

article figure figure {
	counter-reset: none;
}

article figure>figure {
	display: inline-grid;
	width: auto;
}

figure>figure:not(:last-of-type) {
	padding-right: 1rem;
}

article figure figure figcaption:before {
	counter-increment: subfig 1;
	content: counter(subfig, lower-alpha) ": ";
}

/* listings */
article figure pre+figcaption:before {
	counter-increment: lst 1;
	content: "Listing " counter(lst) ": ";
}

/* tables */
figure>table:only-of-type {
	display: table;
	margin: 0.5em auto !important;
	width: fit-content;
}

article figure>table caption {
	display: table-caption;
	caption-side: bottom;
}

article figure>table+figcaption:before,
article table caption:before {
	color: var(--cemph);
	counter-increment: tab 1;
	content: "Table " counter(tab) ": ";
}

/* headings */
article h2,
h3 {
	position: relative;
}

article h2:before,
article h3:before {
	display: inline-block;
	position: relative;
	font-size: 0.6em;
	text-align: right;
	vertical-align: baseline;
	left: -1rem;
	width: 2.5em;
	margin-left: -2.5em;
}

article h1 {
	counter-set: h2;
}

article h2:before {
	counter-increment: h2;
	content: counter(h2) ". ";
	counter-set: h3;
}

article h3:before {
	counter-increment: h3;
	content: counter(h2) "." counter(h3) ". ";
}

@media (max-width: 60rem) {

	h2:before,
	h3:before {
		display: none;
	}
}

/* tooltip + citation */
article p>cite:before {
	padding: 0 .5em 0 0;
	counter-increment: ref;
	content: " [" counter(ref) "] ";
	vertical-align: super;
	font-size: .6em;
}

article p>cite>*:only-child {
	display: none;
}

article p>cite:hover>*:only-child,
[data-tooltip]:hover:before {
	display: inline-block;
	z-index: 40;
	white-space: pre-wrap;
	position: absolute;
	left: 1rem;
	right: 1rem;
	padding: 1em 2em;
	text-align: center;
	transform: translateY(calc(-100%));
	content: attr(data-tooltip);
	color: var(--cbg);
	background-color: var(--cemph);
	box-shadow: 0 2px 10px 0 black;
}

[data-tooltip],
article p>cite:before {
	color: var(--clink);
	border: .8rem solid transparent;
	margin: -.8rem;
}

abbr[title],
[data-tooltip] {
	cursor: help;
}

/* navbar */
nav+* {
	margin-top: 3rem;
}

body>nav,
header nav {
	position: var(--navpos);
	top: 0;
	left: 0;
	right: 0;
	z-index: 41;
	box-shadow: 0vw -50vw 0 50vw var(--clight), 0 calc(-50vw + 2px) 4px 50vw var(--cdark);
}

nav ul {
	list-style-type: none;
}

nav ul:first-child {
	margin: 0;
	padding: 0;
	overflow: visible;
}

nav ul:first-child>li {
	display: inline-block;
	margin: 0;
	padding: 0.8rem .6rem;
}

nav ul>li>ul {
	display: none;
	width: auto;
	position: absolute;
	margin: 0.5rem 0;
	padding: 1rem 2rem;
	background-color: var(--clight);
	border: var(--border);
	border-radius: 4px;
	z-index: 42;
}

nav ul>li>ul>li {
	white-space: nowrap;
}

nav ul>li:hover>ul {
	display: block;
}

@media (max-width: 40rem) {
	nav ul:first-child>li:first-child:after {
		content: " \25BE";
	}

	nav ul:first-child>li:not(:first-child):not(.sticky) {
		display: none;
	}

	nav ul:first-child:hover>li:not(:first-child):not(.sticky) {
		display: block;
		float: none !important;
	}
}

/* details/cards */
summary>* {
	display: inline;
}

.card,
details {
	display: block;
	margin: 0.5rem 0rem 1rem;
	padding: 0 .6rem;
	border-radius: 4px;
	overflow: hidden;
}

.card,
details[open] {
	outline: 1px solid var(--cmed);
}

.card>img:first-child {
	margin: -3px -.6rem;
	max-width: calc(100% + 1.2rem);
}

summary:hover,
details[open] summary,
.card>p:first-child {
	box-shadow: inset 0 0 0 2em var(--clight), 0 -.8rem 0 .8rem var(--clight);
}

.hint {
	--cmed: var(--cemph);
	--clight: var(--cemphbg);
	background-color: var(--clight);
}

.warn {
	--cmed: #c11;
	--clight: #e221;
	background-color: var(--clight);
}

/* big first letter */
article>section:first-of-type>h2:first-of-type+p:first-letter,
article>h2:first-of-type+p:first-letter,
.lettrine {
	float: left;
	font-size: 3.5em;
	padding: 0.1em 0.1em 0 0;
	line-height: 0.68em;
	color: var(--cemph);
}

/* ornaments */
section:after {
	display: block;
	margin: 1em 0;
	color: var(--cmed);
	text-align: center;
	font-size: 1.5em;
	content: var(--ornament);
}

/* side menu (aside is not intended for use in a paragraph!) */
main aside {
	position: absolute;
	width: 8rem;
	right: -8.6rem;
	font-size: 0.8em;
	line-height: 1.4em;
}

@media (max-width: 70rem) {
	main aside {
		display: none;
	}
}

/* forms and inputs  */
textarea,
input:not([type=range]),
button,
select {
	font: var(--font-h);
	border-radius: 4px;
	border: 1.5px solid var(--cmed);
	padding: 0.4em 0.8em;
}

fieldset select,
input:not([type=checkbox]):not([type=radio]) {
	display: block;
	width: 100%;
	margin: 0 0 1rem;
}

button,
select {
	font-weight: bold;
	background-color: var(--clight);
	margin: .5em;
	border: 1.5px solid var(--clink);
}

button {
	padding: 0.4em 1em;
	font-size: 85%;
	letter-spacing: 0.1em;
}

button[disabled] {
	color: var(--cdark);
	border-color: var(--cmed);
}

fieldset {
	border-radius: 4px;
	border: var(--border);
	padding: .5em 1em;
}

textarea:hover,
input:not([type=checkbox]):not([type*='ra']):hover,
select:hover {
	border: 1.5px solid var(--cemph);
}

textarea:focus,
input:not([type=checkbox]):not([type*='ra']):focus {
	border: 1.5px solid var(--clink);
	box-shadow: 0 0 5px var(--clink);
}

p>button {
	padding: 0 .5em;
	margin: 0 .5em;
}

p>select {
	padding: 0;
	margin: 0 .5em;
}


/* 5. Bootstrap-compatible classes ––––––––––––––––––––– */

/* grid */
.row {
	display: flex;
	margin: 0.5rem -0.6rem;
	align-items: stretch;
}

.row [class*="col"] {
	padding: 0 0.6rem;
}

.row .col {
	flex: 1 1 100%;
}

.row .col-2 {
	flex: 0 0 16.66%;
	max-width: 16.66%;
}

.row .col-3 {
	flex: 0 0 25%;
	max-width: 25%;
}

.row .col-4 {
	flex: 0 0 33.33%;
	max-width: 33.33%;
}

.row .col-5 {
	flex: 0 0 41.66%;
	max-width: 41.66%;
}

.row .col-6 {
	flex: 0 0 50%;
	max-width: 50%;
}

@media (max-width: 40rem) {
	.row {
		flex-direction: column;
	}
}

/* align */
.text-left {
	text-align: left;
}

.text-right {
	text-align: right;
}

.text-center {
	text-align: center;
}

.float-left {
	float: left !important;
}

.float-right {
	float: right !important;
}

.clearfix {
	clear: both;
}

/* colors */
.text-black {
	color: #000;
}

.text-white {
	color: #fff;
}

.text-primary {
	color: var(--cemph);
}

.text-secondary {
	color: var(--cdark);
}

.bg-white {
	background-color: #fff;
}

.bg-light {
	background-color: var(--clight);
}

.bg-primary {
	background-color: var(--cemph);
}

.bg-secondary {
	background-color: var(--cmed);
}

/* margins */
.mx-auto {
	margin-left: auto;
	margin-right: auto;
}

.m-0 {
	margin: 0 !important;
}

.m-1,
.mx-1,
.mr-1 {
	margin-right: 1.0rem !important;
}

.m-1,
.mx-1,
.ml-1 {
	margin-left: 1.0rem !important;
}

.m-1,
.my-1,
.mt-1 {
	margin-top: 1.0rem !important;
}

.m-1,
.my-1,
.mb-1 {
	margin-bottom: 1.0rem !important;
}

/* pading */
.p-0 {
	padding: 0 !important;
}

.p-1,
.px-1,
.pr-1 {
	padding-right: 1.0rem !important;
}

.p-1,
.px-1,
.pl-1 {
	padding-left: 1.0rem !important;
}

.p-1,
.py-1,
.pt-1 {
	padding-top: 1.0rem !important;
}

.p-1,
.py-1,
.pb-1 {
	padding-bottom: 1.0rem !important;
}

/* be print-friendly */
@media print {
	@page {
		margin: 1.5cm 2cm;
	}

	html {
		font-size: 9pt !important;
	}

	body {
		max-width: 27cm;
	}

	p {
		orphans: 2;
		widows: 2;
	}

	caption,
	figcaption {
		page-break-before: avoid;
	}

	h2,
	h3,
	h4,
	h5 {
		page-break-after: avoid;
	}

	.noprint,
	body>nav,
	section:after {
		display: none;
	}

	.row {
		flex-direction: row;
	}
}