:root {
	--background: #121212;
	--surface: #2c2c2c;
	--text: #ffffff;
	--text-disabled: #3d3d3d;
	
	--background-variant: #ffffff;
	--surface-variant: #d0d0d0;
	--text-variant: #000000;
	
	--primary: #a5d6a7;
	--primary-light: #d7ffd9;
	--primary-dark: #75a478;
	
	--primary-variant: #388e3c;
	--primary-variant-light: #6abf69;
	--primary-variant-dark: #00600f;
	
	--red-card: #ef9a9a;
	--red-card-variant: #d32f2f;
	--red-card-background: #9a0007;
	
	--blue-card: #90caf9;
	--blue-card-variant: #1976d2;
	--blue-card-background: #004ba0;
	
	--yellow-card: #fff59d;
	--yellow-card-variant: #fbc02d;
	--yellow-card-background: #c49000;
	
	--card-inset-shadow: #000000;
	--card-inset-shadow-variant: #ffffff;
	--card-border: #ffffff;
	--card-border-variant: #000000;
	
	--card-height: 70px;
	--card-width: 55px;
	--card-font-size: 30pt;
	
	--discard: red;
	--cash-out: green;
}

* {
	box-sizing: border-box;
}

html {
	font-family: "Roboto", sans-serif;
	background-color: var(--background);
	color: var(--text);
}

html, body {
	padding: 0;
	margin: 0;
}

main-container {
	display: block;
	width: 100%;
	height: 100%;
}

main-panel {
	display: block;
	max-width: 550px;
	margin: 10px auto 0 auto;
	padding: 20px;
	background-color: var(--surface);
	border-radius: 5px;
}

panel-title {
	display: block;
	margin: 0 0 0.67em 0;
	font-size: 2em;
	font-weight: bold;
}

.red {
	background-color: var(--red-card-variant);
}

.blue {
	background-color: var(--blue-card-variant);
}

.yellow {
	background-color: var(--yellow-card-variant);
}

.drawn-red {
	background-color: var(--red-card);
	color: var(--text-disabled);
}

.drawn-blue {
	background-color: var(--blue-card);
	color: var(--text-disabled);
}

.drawn-yellow {
	background-color: var(--yellow-card);
	color: var(--text-disabled);
}

.discard {
	box-shadow: inset 0 0 50px -10px var(--card-inset-shadow-variant), 0 0 6px 2px var(--discard), inset 0 0 10px -4px var(--discard);
}
.select {
	box-shadow: inset 0 0 50px -10px var(--card-inset-shadow-variant), 0 0 6px 2px var(--cash-out), inset 0 0 10px -4px var(--cash-out);
}

card-container {
	display: flex;
	flex-flow: row wrap;
	width: 100%;
}

card-container#deck {
	justify-content: space-between;
}

okey-card {
	transition-duration: 0.5s;
	flex: 0 0 auto;
	display: inline-block;
	width: var(--card-width);
	height: var(--card-height);
	line-height: var(--card-height);
	font-size: var(--card-font-size);
	border-radius: 5px;
	text-align: center;
	color: var(--text-variant);
	box-shadow: inset 0 0 50px -10px var(--card-inset-shadow), 0 0 3px 0 rgba(0, 0, 0, 0);
	user-select: none;
	margin: 3px;
}

okey-card[clickable] {
	cursor: pointer;
}

okey-card:hover, okey-card:active {
	transition-duration: 0.2s;
}

okey-card[clickable]:not([hand-full]):hover {
	box-shadow: inset 0 0 50px -10px var(--card-inset-shadow), 0 0 3px 0 var(--card-border);
}

okey-card[clickable]:not([hand-full]):active {
	box-shadow: inset 0 0 50px -10px var(--card-inset-shadow), 0 0 3px 0 var(--card-border), inset 0 0 0 100px var(--primary);
}

okey-card:not([clickable]):active, okey-card[hand-full]:active {
	transition-duration: 0.7s;
	background-color: var(--background);
}