/* ---- Themes ---- */
/* using data-theme attributes to allow switching via javascript */
html[data-theme="dark"] {
	/* dark theme: light background, dark text, blue accent */
	--theme-hue: 0;					/* black */
	--accent-hue: 194;			/* blue */

	--text-color-richer: hsl(var(--theme-hue), 0%, 95%);		/* 		*/
	--text-color-normal: hsl(var(--theme-hue), 0%, 80%);		/* text color; button:hover:focus color */
	--text-color-softer: hsl(var(--theme-hue), 0%, 67%);		/* button color; button:hover border */

	--accent-color: hsl(var(--accent-hue), 76%, 49%);				/* link; button-primary bg+border; textarea,select:focus border */
	--accent-color-hover: hsl(var(--accent-hue), 86%, 57%);	/* link hover; button-primary:hover:focus bg+border */

	--border-color: hsl(var(--theme-hue), 0%, 27%);					/* button border */
	--border-color-softer: hsl(var(--theme-hue), 0%, 20%);	/* textarea,select,code,td,hr border	 */

	--background-color: hsl(var(--theme-hue), 0%, 12%);			/* body background; textarea,select background */
	--background-color-softer: hsl(var(--theme-hue), 0%, 18%);
	--code-background: hsl(var(--theme-hue), 0%, 5%);				/* code background*/

	--button-primary-color: white;
}

/* when prefers-color-scheme supported, these can be in single media query with above */
html[data-theme="dark"]	img.value-img {
	filter: invert(0.8);
}
html[data-theme="dark"] img {
	opacity: .90;
	transition: opacity .5s ease-in-out;
}

/* add a transition to ease into new themes */
/* looks best in Mozilla, text transitions late in Safari/Chrome */
html.transition-theme,
html.transition-theme *,
html.transition-theme *:before,
html.transition-theme *:after {
  transition: all 650ms !important;
  transition-delay: 0 !important;
}


/* ---- General ---- */
.container {
  width: 80%;
  max-width: 800px;
  margin: 0 auto; 
  position: relative;
  box-sizing: border-box;
  }
.docs-header {
  text-transform: uppercase;
  letter-spacing: .2rem;
  font-weight: 600; }
.docs-section {
  border-top: 1px solid var(--border-color-softer);
  padding: 4rem 0;
  margin-bottom: 0;}
ul {
	margin-left: 2rem;
}
.docs-example .row, .docs-example.row, .docs-example form {
  margin-bottom: 0; }
.docs-example h1, .docs-example h2, .docs-example h3,
.docs-example h4, .docs-example h5, .docs-example h6 {
  margin-bottom: 1rem; }
.heading-font-size {
  font-size: 1.2rem;
  color: #999;
  letter-spacing: normal; }
.example {
  position: relative; 
  margin-top: 4rem; }
.example-header {
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: .5rem; }
  
@media (min-width: 600px) {
  .example-grid .column,
  .example-grid .columns {
    margin-bottom: 1.5rem; }
  .docs-section {
    padding: 6rem 0; }
  .example-send-yourself-copy {
    float: right;
    margin-top: 12px; }
}


/* ---- Header ---- */
.header {
  margin-top: 6rem;
  text-align: center; }
.value-prop {
  margin-top: 1rem; }
.value-props {
  margin-top: 4rem;
  margin-bottom: 4rem; }
i.fas, i.fab {
	font-size: 5rem;
	display: block;
	margin: 0 auto 2rem;}
	/* grids to 3 columns above mobile sizes */
@media (min-width: 600px) {
  .header {
    margin-top: 18rem; }
	.value-header {
  	grid-column: 1 / span 3;
  	margin-top: 2rem; }
  .value-props {
    margin-top: 9rem;
    margin-bottom: 7rem; }
  .value-img {
    margin-bottom: 1rem; }
}

/* ---- Grid ---- */
/* selects all grid-items (direct children of a grid container) */
.grid-container-example > * {
	background: var(--background-color-softer);
	border-radius: 0.4rem;
	font-size: 1.2rem;
	text-transform: uppercase;
	line-height: 2.4em;
	height: 2.4em;
}

/* ---- Buttons ---- */
@media (min-width: 600px) {
	#buttons .grid-container.quarters {
		grid-template-columns: repeat(2, 1fr); }	
}
@media (min-width: 900px) {
	#buttons .grid-container.quarters {
		grid-template-columns: repeat(4, 1fr);
	}	
}


/* ---- Code ---- */
pre.code-example {
  margin-top: 1.5rem;
  margin-bottom: 0;
}


/* ---- Legacy ---- */
.example-grid .column,
.example-grid .columns {
  background: var(--background-color-softer);
  text-align: center;
  border-radius: 4px;
  font-size: 1rem;
  text-transform: uppercase;
  height: 30px;
  line-height: 30px;
  margin-bottom: .75rem;
  font-weight: 600;
  letter-spacing: .1rem; }


/* ---- Examples ---- */
#examples .grid-container {
	grid-auto-rows: 22rem; }
#examples .grid-container > div {
	overflow: hidden;
	border-radius: 1rem; }
#examples .grid-container > div.coming-soon {
	border: 1px solid var(--background-color-softer); }
#examples .coming-soon-bg {
	background: var(--background-color-softer);
	margin: 5px;
	border-radius: 0.8rem;
	height: calc(100% - 10px); }
.examples-img {
	object-fit: contain;
	width: 100%; }
@media (min-width: 600px) {
	#examples .grid-container {
		grid-auto-rows: 26rem;
		font-size: 1.5rem; }
}
@media (min-width: 900px) {
	#examples .grid-container {
		grid-auto-rows: 22rem;
		font-size: 1.6rem;
	}
}


@media (min-width: 600px) {
  .example-grid .column,
  .example-grid .columns {
    margin-bottom: 1.5rem; }
  .docs-section {
    padding: 6rem 0; }
  .example-send-yourself-copy {
    float: right;
    margin-top: 12px; }
}


/* ---- Popovers ---- */
@media (min-width: 600px) {
  .popover.open {
    display: block;
  }
  .popover {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    background: var(--background-color);
    border: 1px solid var(--border-color-softer);
    border-radius: 4px;
    top: 92%;
    left: -50%;
    -webkit-filter: drop-shadow(0 0 6px rgba(0,0,0,.1));
       -moz-filter: drop-shadow(0 0 6px rgba(0,0,0,.1));
            filter: drop-shadow(0 0 6px rgba(0,0,0,.1)); }
  .popover-item:first-child .popover-link:after, 
  .popover-item:first-child .popover-link:before {
    bottom: 100%;
    left: 50%;
    border: solid transparent;
    content: " ";
    height: 0;
    width: 0;
    position: absolute;
    pointer-events: none; }
  .popover-item:first-child .popover-link:after {
    border-color: rgba(255, 255, 255, 0);
    border-bottom-color: var(--background-color);
    border-width: 10px;
    margin-left: -10px; }
  .popover-item:first-child .popover-link:before {
    border-color: rgba(238, 238, 238, 0);
    border-bottom-color: var(--border-color-softer);
    border-width: 11px;
    margin-left: -11px; }
  .popover-list {
    padding: 0;
    margin: 0;
    list-style: none; }
  .popover-item {
    padding: 0;
    margin: 0; }
  .popover-link {
    position: relative;
    color: var(--text-color-normal);
    display: block;
    padding: 8px 20px;
    border-bottom: 1px solid var(--border-color-softer);
    text-decoration: none;
    text-transform: uppercase;
    font-size: 1.0rem;
    font-weight: 600;
    text-align: center;
    letter-spacing: .1rem; }
  .popover-item:first-child .popover-link {
    border-radius: 4px 4px 0 0; }
  .popover-item:last-child .popover-link {
    border-radius: 0 0 4px 4px;
    border-bottom-width: 0; }
  .popover-link:hover {
    color: var(--button-primary-color);
    background: var(--accent-color); }
  .popover-link:hover,
  .popover-item:first-child .popover-link:hover:after {
    border-bottom-color: var(--accent-color); }
}