@font-face {
	font-family: 'Silkscreen';
	font-style: normal;
	font-weight: 400;
	src: url(/res/silkscreen.woff2) format('woff2');
}

/* Adapted from https://www.w3schools.com/howto/howto_css_shake_image.asp */
@keyframes shake {
	  0% { transform: var(--base-transform) translate( 1px,  1px) rotate( 0deg); }
	 10% { transform: var(--base-transform) translate(-1px, -2px) rotate(-1deg); }
	 20% { transform: var(--base-transform) translate(-3px,  0px) rotate( 1deg); }
	 30% { transform: var(--base-transform) translate( 3px,  2px) rotate( 0deg); }
	 40% { transform: var(--base-transform) translate( 1px, -1px) rotate( 1deg); }
	 50% { transform: var(--base-transform) translate(-1px,  2px) rotate(-1deg); }
	 60% { transform: var(--base-transform) translate(-3px,  1px) rotate( 0deg); }
	 70% { transform: var(--base-transform) translate( 3px,  1px) rotate(-1deg); }
	 80% { transform: var(--base-transform) translate(-1px, -1px) rotate( 1deg); }
	 90% { transform: var(--base-transform) translate( 1px,  2px) rotate( 0deg); }
	100% { transform: var(--base-transform) translate( 1px, -2px) rotate(-1deg); }
}

html, body, #opacity {
	margin: 0;
	overflow: hidden;
	padding: 0;
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}

body {
	--⬜: lightgray;
	--🟨: gold;
	--🟦: dodgerblue;
	--🟩: forestgreen;
	--🟧: #ff8e00;
	--🟥: firebrick;
	--shake-delay: 2.3s;
	background-color: #333;
	color: #fff;
	font-family: 'Silkscreen', sans-serif;
	touch-action: none;
	user-select: none;
}

button, input, select {
	color: inherit;
	font-family: inherit;
	font-size: inherit;
}

button {
	background-color: transparent;
	border: 3px solid;
	cursor: pointer;
}

a {
	color: gold;
}

input.toggle {
	appearance: none;
	cursor: pointer;
	height: auto; /* Fix fixed height of 16px in Safari 16.5 on iOS */
	position: relative;
	width: auto; /* Fix fixed width of 16px in Safari 16.5 on iOS */
}
input.toggle:before {
	border: 0.2em solid;
	box-sizing: border-box;
	content: '';
	display: block;
	font-size: 0.5em;
	height: 2em;
	width: 3.5em;
}
input.toggle:checked:before {
	background-color: var(--🟩);
}
input.toggle:after {
	border: 0.3em solid;
	content: '';
	display: block;
	left: 0.2em;
	position: absolute;
	top: 0.2em;
	transform: translateX(0%);
}
input.toggle:checked:after {
	transform: translateX(125%);
}

.icon-button {
	-webkit-tap-highlight-color: transparent;
	border: none;
	background-color: transparent;
	color: #fff;
	cursor: pointer;
	font-size: 32px;
	padding: 0;
	position: relative;
	width: 40px;
	height: 40px;
}
.icon-button:after {
	bottom: -10px;
	content: attr(title);
	font-size: 10px;
	left: 0;
	position: absolute;
	right: 0;
}

.icon-button:disabled,
.context.solving .icon-button[title="Undo"] {
	cursor: default;
	opacity: 0.25;
}

.context:not(.undoable) [data-if~="undoable"],
.context:not(.solving) [data-if~="solving"],
.context:not(.solved) [data-if~="solved"],
.context:not(.stats) [data-if~="stats"],
.context.undoable [data-if~="not-undoable"],
.context.solving [data-if~="not-solving"],
.context.solved [data-if~="not-solved"],
.context.stats [data-if~="not-stats"] {
	display: none !important;
}

#actions {
	bottom: 30px;
	display: flex;
	justify-content: space-between;
	left: 20px;
	position: absolute;
	right: 20px;
}

#backdrop {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: linear-gradient(#333, #666);
}

#messages {
	top: 0;
	font-size: 24px;
	left: 0;
	pointer-events: none;
	position: absolute;
	right: 0;
}

#messages > div {
	top: 0;
	color: #fff;
	left: 0;
	line-height: 1.5;
	opacity: 1;
	padding: 20px 2px;
	position: absolute;
	right: 0;
	text-align: center;
}

@media (orientation: landscape) and (max-height: 580px) {
	#messages > div {
		font-size: 20px;
		padding: 4px 2px;
	}
}

#scene {
	pointer-events: all;
}

#input, #scene {
	position: absolute;
	top: 45%;
	left: 50%;
	transform: scale3d(var(--scale),var(--scale),var(--scale));
	transform-origin: center;
	transform-style: preserve-3d;
	perspective: 1000px;
	width: 0;
	height: 0;
}

@media (orientation: landscape) {
	#input, #scene {
		top: 50%;
	}
}

#input {
	perspective: 2000px;
}

#inputs, #cube {
	position: absolute;
	transform-style: preserve-3d;
	transform: rotateX(-35deg) rotateY(-45deg);
	transition: transform 0.3s;
	width: 0;
	height: 0;
}

#cube {
	opacity: 1;
}

.solved #cube {
	--base-transform: rotateX(-25deg) rotateY(-45deg);
	animation: shake 0.5s;
	animation-delay: 0.3s;
	animation-iteration-count: 4;
	pointer-events: none;
	transform: var(--base-transform);
}

#opacity {
	opacity: 1;
	pointer-events: none;
	transition: opacity 0.5s;
	transition-delay: var(--shake-delay);
}

.solved #opacity {
	opacity: 0;
}

#results {
	font-size: 32px;
	left: 50%;
	opacity: 0;
	position: absolute;
	top: 45%;
	transform: translate(-50%, -50%) scale(var(--scale));
	transition: opacity 0.5s;
	transition-delay: var(--shake-delay);
	width: auto;
	white-space: pre;
}

.solved #results {
	opacity: 1;
}

.input {
	position: absolute;
	transform-style: preserve-3d;
	width: 2500px;
	height: 2500px;
}

.input[data-side="top"  ] { transform: translate3d(-50%, -50%, 0px) rotateX(90deg) translateZ(150px) translate3d(-50%, -50%, 0px) translate3d(150px, 150px, 0px) rotate(180deg); }
.input[data-side="right"] { transform: translate3d(-50%, -50%, 0px) rotateY(90deg) translateZ(150px) translate3d(50%, 50%, 0px) translate3d(-150px, -150px, 0px); }
.input[data-side="front"] { transform: translate3d(-50%, -50%, 0px) rotateX(-0deg) translateZ(150px) translate3d(-50%, 50%, 0px) translate3d(150px, -150px, 0px) rotate(90deg); }

#shadow {
	background-color: rgba(0, 0, 0, 0.25);
	border-radius: 50%;
	box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
	width: 350px;
	height: 350px;
	pointer-events: none;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%) translateY(100%) rotateX(90deg) rotate(45deg);
	transform-style: preserve-3d;
}

.piece {
	--rotateX: 0deg;
	--rotateY: 0deg;
	--rotateZ: 0deg;
	--translateX: 0px;
	--translateY: 0px;
	--translateZ: 0px;
	transform: rotateX(var(--rotateX)) rotateY(var(--rotateY)) rotateZ(var(--rotateZ)) translate3d(var(--translateX), var(--translateY), var(--translateZ));
	transform-style: preserve-3d;
	transition: transform 0.3s;
	position: absolute;
	top: 0;
	left: 0;
	width: 0;
	height: 0;
}

.scrambling .piece {
	transition-duration: 0.01s;
}

.piece[data-y="0"] { --translateY: -100px; }
.piece[data-y="2"] { --translateY:  100px; }
.piece[data-z="0"] { --translateZ: -100px; }
.piece[data-z="2"] { --translateZ:  100px; }
.piece[data-x="0"] { --translateX: -100px; }
.piece[data-x="2"] { --translateX:  100px; }

.solved .piece { transition-delay: var(--shake-delay) }

.solved .piece[data-y="0"] { --translateY: -600px; }
.solved .piece[data-y="2"] { --translateY:  600px; }
.solved .piece[data-z="0"] { --translateZ: -600px; }
.solved .piece[data-z="2"] { --translateZ:  600px; }
.solved .piece[data-x="0"] { --translateX: -600px; }
.solved .piece[data-x="2"] { --translateX:  600px; }

.piece[data-type="center"] .face[data-color="⬜"]:before {
	background-image: url("logo.png");
	background-position: center;
	background-repeat: no-repeat;
	background-size: 84px;
}

.face {
	background-color: rgb(30, 30, 30);
	border-radius: 7px;
	box-sizing: border-box;
	height: 100px;
	width: 100px;
	transform: translate3d(-50%, -50%, 0px) var(--face-rotation) translateZ(50px);
	transform-style: preserve-3d;
	position: absolute;
	top: 0;
	left: 0;
}

/* sticker on face */
.face:before {
	background-color: var(--color, transparent);
	content: '';
	display: block;
	line-height: 80px;
	pointer-events: none;
	text-align: center;
	font-size: 200%;
	width: 90%;
	height: 90%;
	top: 5%;
	left: 5%;
	position: absolute;
	border-radius: 10px;
	box-sizing: border-box;
	transform: rotate(var(--rotate));
}

.inner-face {
	background-color: rgb(30, 30, 30);
	box-sizing: border-box;
	height: 80px;
	width: 80px;
	transform: translate3d(-50%, -50%, 0px) var(--face-rotation) translateZ(40px);
	transform-style: preserve-3d;
	position: absolute;
	top: 0;
	left: 0;
}

[data-side="top"   ] { --face-rotation: rotateX(  90deg); }
[data-side="bottom"] { --face-rotation: rotateX( -90deg); }
[data-side="left"  ] { --face-rotation: rotateY( -90deg); }
[data-side="right" ] { --face-rotation: rotateY(  90deg); }
[data-side="front" ] { --face-rotation: rotateX(  -0deg); }
[data-side="back"  ] { --face-rotation: rotateY(-180deg); }