/*
Copyright (c) 2024 by Brett Schwickerath (https://codepen.io/schwiiiii/pen/wvVqLmX)
Modified
Copyright (c) 2024 by cnlohr

Permission is hereby granted, free of charge, to any person obtaining a copy of this
software and associated documentation files (the "Software"), to deal in the
Software without restriction, including without limitation the rights to use, copy,
modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
and to permit persons to whom the Software is furnished to do so, subject to the
following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

@font-face {
    font-family: 'AudioLink';
    src: url('AudioLinkMono-Bold.ttf')  format('truetype')
}

:root {
	color-scheme: dark;
	--gl: radial-gradient(circle 1px at 0px 0px, var(--light) 1px, transparent 0);
	--gd: radial-gradient(circle 1px at 0px 0px, var(--dark) 1px, transparent 0);
	--dark: #111;
	--light: #eee;
	--bg-0: var(--dark);
	--bg-1: var(--gl) 0px 0px / 4px 4px, var(--dark);
	--bg-2: var(--gl) 0px 0px / 4px 4px, var(--gl) 2px 2px / 4px 4px, var(--dark);
	--bg-3: var(--gl) 0px 0px / 2px 2px, var(--dark);
	--bg-4: var(--gl) 0px 0px / 2px 2px, var(--gl) 1px 1px / 2px 2px, var(--dark);
	--bg-5: var(--gd) 0px 0px / 2px 2px, var(--light);
	--bg-6: var(--gd) 0px 0px / 4px 4px, var(--gd) 2px 2px / 4px 4px, var(--light);
	--bg-7: var(--gd) 0px 0px / 4px 4px, var(--light);
	--bg-8: var(--light);
	
	--l-shadow:
		-1px -1px 0 var(--dark),
		0 -1px 0 var(--dark),
		1px -1px 0 var(--dark),
		1px 0 0 var(--dark),
		1px 1px 0 var(--dark),
		0 1px 0 var(--dark),
		-1px 1px 0 var(--dark),
		-1px 0 0 var(--dark);
	
	--d-shadow:
		-1px -1px 0 var(--light),
		0 -1px 0 var(--light),
		1px -1px 0 var(--light),
		1px 0 0 var(--light),
		1px 1px 0 var(--light),
		0 1px 0 var(--light),
		-1px 1px 0 var(--light),
		-1px 0 0 var(--light);
	
	--drop-shadow:
		drop-shadow(-1px -1px 0 var(--light))
		drop-shadow(0 -1px 0 var(--light))
		drop-shadow(1px -1px 0 var(--light))
		drop-shadow(1px 0 0 var(--light))
		drop-shadow(1px 1px 0 var(--light))
		drop-shadow(0 1px 0 var(--light))
		drop-shadow(-1px 1px 0 var(--light))
		drop-shadow(-1px 0 0 var(--light));
}

* {
	box-sizing: border-box;
	font-family: "AudioLink", monospace;
	text-rendering: optimizeSpeed;
	font-size: inherit;
	color: light-dark(var(--dark), var(--light));
}

html {
	/*font-size: 1vmin;*/
	/* animation:
		adjust-light 17s linear infinite both,
		adjust-dark 11s linear infinite both; */
}

body {
	margin: 0;
	min-height: 100vh;
	display: flex;
	flex-direction: column;
	/*
	justify-content: center;
	align-items: center;
	*/
	gap: 4rem;
	background: var(--dark);
}

.shades {
	display: inline-flex;
	gap: 1rem;
}

.shade {
	height: calc(80rem / 9);
	width: calc(80rem / 9);
	border-radius: 50%;
	border: 3px solid var(--light);
	
	&:nth-child(1) { background: var(--bg-0); }
	&:nth-child(2) { background: var(--bg-1); }
	&:nth-child(3) { background: var(--bg-2); }
	&:nth-child(4) { background: var(--bg-3); }
	&:nth-child(5) { background: var(--bg-4); }
	&:nth-child(6) { background: var(--bg-5); }
	&:nth-child(7) { background: var(--bg-6); }
	&:nth-child(8) { background: var(--bg-7); }
	&:nth-child(9) { background: var(--bg-8); }
}

form {
	font-size: 2rem;
	background: var(--bg-4);
	padding: 2rem;
	border-radius: 2rem;
	display: flex;
	flex-direction: column;
	gap: 1rem;
	border: 3px var(--light) solid;
}

label {
	background: var(--bg-1);
	display: flex;
	flex-direction: column;
	gap: .5rem;
	padding: 1rem;
	border-radius: 1rem;
	text-shadow: var(--l-shadow);
	border: 1px var(--light) solid;
	color: var(--light);
}


input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
}

/*.scrollwheel_tune{*/
input[type=number] {
	background: var(--bg-0);
	outline: 0;
    -moz-appearance:textfield; /* Firefox */
	padding-top: 1rem;
	padding-bottom: 1rem;
	padding-left: 1.1rem;
	padding-right: 1.0rem;
	text-shadow: var(--l-shadow);
	border: 1px var(--light) solid;
	animation: dark-to-light 200ms ease-out forwards;
	transition: 200ms ease-out;
	border-radius: 1.5rem;
	&:hover {
		animation: light-to-dark 200ms linear forwards;
		color: var(--dark);
		text-shadow: var(--d-shadow);
	}
}

textarea,input:not([type='number']) {
	background: var(--bg-0);
	border: 0;
	overflow:hidden;
	outline: 0;
	border-radius: .8rem;
	padding: .5rem;
	padding-bottom:.3rem;
	text-shadow: var(--l-shadow);
	border: 1px var(--light) solid;
	animation: dark-to-light 200ms ease-out forwards;
	transition: 200ms ease-out;

	&:hover {
		animation: light-to-dark 200ms linear forwards;
		color: var(--dark);
		text-shadow: var(--d-shadow);
	}
}

button,input[type=submit] {
	background: var(--bg-0);
	border: 0;
	outline: 0;
	border-radius: 2rem;
	padding: .7rem;
	font-weight: bold;
	text-shadow: var(--l-shadow);
	cursor: pointer;
	border: 1px var(--light) solid;
	color: var(--light);
	animation: dark-to-light 200ms ease-out forwards;
	transition: 200ms ease-out;
	
	&:hover {
		animation: light-to-dark 200ms linear forwards;
		color: var(--dark);
		text-shadow: var(--d-shadow);
	}
}

.cube-wrapper {
	--size: 8rem;
	margin-top: 2rem;
	perspective: 200px;
	perspective-origin: 50% 0%;
	filter: var(--drop-shadow);
}

.cube {
	height: var(--size);
	width: var(--size);
	position: relative;
	transform-style: preserve-3d;
	transform-origin: 50% 50% calc(var(--size) * .5);
	animation: rotate 10s linear infinite;
}

.face {
	position: absolute;
	height: var(--size);
	width: var(--size);
	transform-style: preserve-3d;
	transform-origin: 50% 50% calc(var(--size) * .5);
	
	&:nth-child(1) { transform: rotateY(90deg); background: var(--bg-2); }
	&:nth-child(2) { transform: rotateY(180deg); background: var(--bg-3) }
	&:nth-child(3) { transform: rotateY(-90deg); background: var(--bg-4) }
	&:nth-child(4) { transform: rotateX(90deg); background: var(--bg-5) }
	&:nth-child(5) { transform: rotateX(-90deg); background: var(--bg-6) }
	&:nth-child(6) { background: var(--bg-7) }
}

@keyframes light-to-dark {
	0% { background: var(--bg-0); }
	12.5% { background: var(--bg-1); }
	25% { background: var(--bg-2); }
	37.5% { background: var(--bg-3); }
	50% { background: var(--bg-4); }
	62.5% { background: var(--bg-5); }
	75% { background: var(--bg-6); }
	87.5% { background: var(--bg-7); }
	100% { background: var(--bg-8); }
}

@keyframes dark-to-light {
	0% { background: var(--bg-8); }
	12.5% { background: var(--bg-7); }
	25% { background: var(--bg-6); }
	37.5% { background: var(--bg-5); }
	50% { background: var(--bg-4); }
	62.5% { background: var(--bg-3); }
	75% { background: var(--bg-2); }
	87.5% { background: var(--bg-1); }
	100% { background: var(--bg-0); }
}

@keyframes rotate {
	from { transform: rotateY(0) rotateX(1turn) rotateZ(0) }
	to { transform: rotateY(1turn) rotateX(0) rotateZ(1turn) }
}

@keyframes adjust-dark {
	0% { --dark: hsl(0turn, 100%, 80%); }
	10% { --dark: hsl(.1turn, 100%, 80%); }
	20% { --dark: hsl(.2turn, 100%, 80%); }
	30% { --dark: hsl(.3turn, 100%, 80%); }
	40% { --dark: hsl(.4turn, 100%, 80%); }
	50% { --dark: hsl(.5turn, 100%, 80%); }
	60% { --dark: hsl(.6turn, 100%, 80%); }
	70% { --dark: hsl(.7turn, 100%, 80%); }
	80% { --dark: hsl(.8turn, 100%, 80%); }
	90% { --dark: hsl(.9turn, 100%, 80%); }
	100% { --dark: hsl(1turn, 100%, 80%); }
}

@keyframes adjust-light {
	0% { --light: hsl(0turn, 100%, 20%); }
	10% { --light: hsl(.1turn, 100%, 20%); }
	20% { --light: hsl(.2turn, 100%, 20%); }
	30% { --light: hsl(.3turn, 100%, 20%); }
	40% { --light: hsl(.4turn, 100%, 20%); }
	50% { --light: hsl(.5turn, 100%, 20%); }
	60% { --light: hsl(.6turn, 100%, 20%); }
	70% { --light: hsl(.7turn, 100%, 20%); }
	80% { --light: hsl(.8turn, 100%, 20%); }
	90% { --light: hsl(.9turn, 100%, 20%); }
	100% { --light: hsl(1turn, 100%, 20%); }
}