@font-face {
	font-family: "Chunky Pixels";
	src: url("fonts/chunky_pixels.ttf") format("truetype");
	font-display: swap;
}

@font-face {
	font-family: "Pixel Script";
	src: url("fonts/pixel_script.ttf") format("truetype");
	font-display: swap;
}

:root {
	--white: #ffffff;
	--black: #000000;
	--dark-grey: #555555;
	--light-grey: #999999;
}

* { box-sizing: border-box; }

html {
	scrollbar-color: #cccccc var(--white);
}

::selection {
	background: var(--black);
	color: var(--white);
}

body {
	margin: 0 auto;
	padding: 32px 16px 48px;
	max-width: 704px;
	background: var(--white);
	font-family: "Pixel Script", monospace;
	font-size: 16px;
	line-height: 2;
	color: var(--black);
	-webkit-font-smoothing: none;
}

img {
	image-rendering: pixelated;
}

h1 {
	font-family: "Chunky Pixels", monospace;
	font-size: 32px;
	line-height: 1.4;
	margin: 0;
	font-weight: normal;
}

h2 {
	font-family: "Chunky Pixels", monospace;
	font-size: 16px;
	font-weight: normal;
	margin: 40px 0 8px;
}

header {
	text-align: center;
	margin-bottom: 32px;
}

p { margin: 20px 0; }

a {
	color: var(--black);
	text-decoration: underline;
	text-decoration-thickness: 2px;
	text-underline-offset: 3px;
}

a:hover {
	color: var(--white);
	background-color: var(--black);
	text-decoration-color: var(--black);
}

.swaps {
	display: flex;
	flex-wrap: wrap;
	gap: 16px;
	margin: 35px 0;
}

.swap {
	flex: 1 1 324px;
	margin: 0;
}

.swap .frames {
	position: relative;
	width: 324px;
	max-width: 100%;
	margin: 0 auto;
}

.swap img {
	display: block;
	width: 320px;
	max-width: 100%;
	height: auto;
	border: 2px solid var(--light-grey);
}

.swap img + img {
	position: absolute;
	top: 0;
	left: 0;
	animation: swap-in 3s infinite;
}

.swap figcaption {
	display: grid;
	text-align: center;
	color: var(--dark-grey);
}

.swap figcaption span {
	grid-area: 1 / 1;
}

.swap figcaption span:first-child {
	animation: swap-out 3s infinite;
}

.swap figcaption span:last-child {
	animation: swap-in 3s infinite;
}

@keyframes swap-in {
	0%, 50% { opacity: 0; }
	50.01%, 100% { opacity: 1; }
}

@keyframes swap-out {
	0%, 50% { opacity: 1; }
	50.01%, 100% { opacity: 0; }
}

#drop {
	display: block;
	width: 100%;
	margin-top: 16px;
	padding: 32px 16px;
	background: var(--white);
	border: 3px dashed var(--light-grey);
	font: inherit;
	color: var(--light-grey);
	text-align: center;
	cursor: pointer;
}

#drop:hover, #drop.over {
	border-color: var(--dark-grey);
	color: var(--dark-grey);
}

#drop small {
	display: block;
	font-size: 16px;
	margin-top: 8px;
}

#status {
	margin-top: 16px;
	padding: 12px;
	border: 2px solid var(--black);
}

#status .hashes {
	margin-top: 16px;
	overflow-x: auto;
}

#status p {
	margin: 16px 0 0;
}

#status .hashes span {
	display: block;
}

#status .hashes .v {
	font-family: "Chunky Pixels", monospace;
	white-space: nowrap;
	margin-bottom: 8px;
}