:root {
	--bg: #bbdbf6;
	--bg2: #0066ff;
	--accent: #333333;
	--accent-alt: #f4d48c;
	--selected: hsl(330, 64%, 53%);
}

html, body { font-size: 100%; }
body {
	margin: 0; padding: 0;
	display: flex;
	flex-direction: column;
    font-family: "Ubuntu", sans-serif;
	text-align: center;
	font-size: 150%;
	
	min-height: 100vh;
	
	background: var(--bg);
	color: var(--accent);
}

h1 { margin: 3em 0; }

.hidden { visibility: hidden; }

#header {
	/* Ref https://app.haikei.app/ */
	background: url("./layered-waves-haikei.svg") bottom/cover;
}

#input-line {
	display: flex;
	justify-content: center;
	align-items: center;
}

#starting-regen, .starting-regen {
	background: transparent;
	border: 0;
	font-size: 200%;
	cursor: pointer;
	margin-left: 0.5em;
}

input[type=text] {
	color: var(--accent);
    font-family: "Ubuntu", sans-serif;
	text-align: center;
	font-size: 150%;
	
	max-width: 80%;
	
	background: transparent;
	border: 0;
	border-bottom: 0.2em solid var(--accent-alt);
}
input[type=text]:focus {
	outline: 0.2em solid var(--selected);
}

#mutations {
	padding-top: 1em;
	padding-bottom: 10vh;
	
	background: #0066ff;
	flex: 1;
}

.mutation-step {
	display: flex;
	justify-content: space-evenly;
	padding: 1em 0;
}

hr {
	width: 60%;
	border-bottom: 0.2em solid hsla(0, 0%, 10%, 0.5);
}

.mutation-option {
	cursor: pointer;
	
	background: var(--accent-alt);
	border-radius: 0.25em;
	padding: 0.5em 0.75em;
}

.mutation-option.selected {
	color: white;
	background: var(--selected);
}