* { margin: 0; padding: 0; outline: 0; border: 0; user-select: none; box-sizing: border-box; }
body { overflow: hidden; }
.menu {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: #fff;
	z-index: 10;
	display: grid;
	justify-items: center;
	align-content: center;
	grid-row-gap: 20px;
	transition: 1s;
}
.game .logo {
	position: absolute;
	top: 10px;
	right: 12px;
	height: 60px;
	border-radius: 5px;
	z-index: 15;
}
.game .author {
	position: absolute;
	bottom: 10px;
	right: 50%;
	transform: translateX(50%);
	font: 20px cursive;
	color: #000;
	z-index: 16;
	text-align: center;
	line-height: 1;
	transition: 1s;
}
.info {
	position: absolute;
	top: 50%;
	left: 150%;
	transform: translate(-50%, -50%);
	background: linear-gradient(50deg, black 17%, #ff0000 50%);
	z-index: 11;
	color: #fff;
	width: 500px;
	font: 28px sans-serif;
	text-align: center;
	padding: 45px 25px;
	border-radius: 125px 0;
	line-height: 1.5;
	margin-top: 25px;
	box-shadow: inset -9px -7px 0px 0px #000;
	transition: 1s;
}
.info .close {
	position: absolute;
	top: -10px;
	right: -10px;
	font-size: 1.1em;
	width: 35px;
	height: 34px;
	border-radius: 50%;
	padding: 3px;
	background: #f00;
	border: 2px solid #fff;
	box-sizing: content-box;
	color: #fff;
	cursor: pointer;
	transition: .5s;
}
.info .close:hover {
	transform: rotate(-360deg);
}
.menu h1 {
	position: absolute;
	top: 120px;
	left: 50%;
	color: transparent;
	transform: translateX(-50%);
	font: bold 4em sans-serif;
	background: radial-gradient(circle at 50% 50%, #000 30%, #ffa500 30.4%);
	-webkit-background-clip: text;
	-webkit-text-stroke: 1px #000;
}
.menu .btn {
	font: 35px sans-serif;
	padding: 10px 35px 12px;
	border-radius: 40px;
	cursor: pointer;
	background: #222;
	color: #fff;
	position: relative;
	transition: .3s;
	border: 3px dotted transparent;
}
.menu .btn::after {
	content: '';
	position: absolute;
	right: 20px;
	top: 50%;
	transform: translateY(-50%) scaleY(0);
	width: 3px;
	height: 60%;
	background: #fff;
	border-radius: 50%;
	transition: .5s;
	transform-origin: bottom;
}
.menu .btn::before {
	content: '';
	position: absolute;
	left: 20px;
	top: 50%;
	transform: translateY(-50%) scaleY(1);
	width: 3px;
	height: 60%;
	background: #fff;
	border-radius: 50%;
	transition: .5s;
	transform-origin: top;
}
.menu .btn:hover::after {
	transform: translateY(-50%) scaleY(1);
}
.menu .btn:hover::before {
	transform: translateY(-50%) scaleY(0);
}
.menu .btn:hover {
	background: #ffa500;
	color: #000;
	border-color: #000;
	background-clip: padding-box;
}
.menu .icon1 {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	left: 5%;
	width: 150px;
	height: 150px;
	border-radius: 50%;
	box-shadow: inset 50px 0 0 #ffa500;
	animation: icon1 5s linear infinite;
	border: 5px solid transparent;
}
.menu .icon2 {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	right: 5%;
	width: 150px;
	height: 150px;
	border-radius: 50%;
	box-shadow: inset 50px 0 0 #ffa500;
	animation: icon1 5s linear infinite reverse;
	border: 5px solid transparent;
}
@keyframes icon1 {
	0% {
		box-shadow: inset 50px 0 0 #ffa500;
		background: transparent;
	}
	8% {
		box-shadow: inset 50px 0 0 #ffa500;
		background: transparent;
		border-radius: 50%;
	}
	15% {
		box-shadow: none;
		background: #ff00e2;
	}
	20% {
		background: #ff1111;
		border-color: transparent;
	}
	35% {
		border-radius: 0;
		border-color: #f00;
	}
	55% {
		border-style: dotted;
	}
	75% {
		border-style: dashed;
		background: #008000;
	}
	95% {
		box-shadow: inset -50px 0 0 #ffa500;
	}
}
.game {
	height: 100vh;
}
.game .display {
	height: 60vh;
	display: flex;
	position: relative;
}
.game .display .example {
	border-right: 1px solid #000;
	width: 50%;
	display: flex;
	justify-content: center;
	align-items: center;
	transition: 1s;
}
.game .display .example .box {
	width: 200px;
	height: 200px;
	background: #ff0000;
	position: relative;
	transition: 1s;
}
.game .display .example .box::before {
	content: '200';
	position: absolute;
	top: -40px;
    left: 9px;
    font: 11px cursive;
}
.game .display .example .box::after {
	content: '200';
	position: absolute;
	bottom: 20px;
    left: -40px;
    font: 11px cursive;
	writing-mode: vertical-lr;
}
.game .display .exercise {
	width: 50%;
	display: flex;
	justify-content: center;
	align-items: center;
}
.game .coin {
	position: absolute;
	top: 40px;
	left: 50%;
	transform: translateX(-50%);
	background: #ffa500;
	border-radius: 15px;
	font: 32px cursive;
	width: 80px;
    height: 65px;
    font: 32px cursive;
    display: flex;
    justify-content: center;
	line-height: 2;
	z-index: 1;
}
@keyframes coin {
	0%, 100% { transform: translateX(-50%) scale(1); }
	50% { transform: translateX(-50%) scale(1.5); }
}
.game .editor {
	height: 40vh;
	width: 100%;
	border-top: 1px solid #000;
	font: 22px monospace;
	padding: 20px 80px;
	background: #000;
	display: block;
	resize: none;
	color: #fff;
}
.game .display .burger {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	left: 0;
	display: grid;
	align-content: center;
	grid-row-gap: 7px;
	width: 35px;
	height: 80px;
	cursor: pointer;
	background: #000;
	clip-path: circle(45% at 2px 50%);
    padding-left: 3px;
	transition: .5s;
}
.game .display .burger span {
	width: 60%;
	height: 4px;
	background: #fff;
	border-radius: 50px;
}
.game .display input {
	position: absolute;
	left: -90px;
	top: 50%;
	transform: translateY(-50%) rotate(-90deg);
	appearance: none;
	width: 120px;
	height: 25px;
	border: 1px solid rgba(56, 56, 56, 0.5);
	border-radius: 20px;
	cursor: pointer;
	overflow: hidden;
	transition: .5s;
}
.game .display input::-webkit-slider-thumb {
	appearance: none;
	width: 0;
	height: 0;
	box-shadow: -120px 0 0 120px #212121;
}
.game h4 {
	position: absolute;
	bottom: 13%;
    left: 50%;
    transform: translateX(-50%);
    color: #fff;
    font: bold 7em sans-serif;
	opacity: 0;
	visibility: hidden;
	transition: .5s;
}