* {
  box-sizing: border-box;
}
:root {
  --depth: 5vmin;
  --on: 0;
  --size: 25vmin;
  --bg: hsl(calc(200 - (var(--on) * 160)), calc((20 + (var(--on) * 50)) * 1%), calc((20 + (var(--on) * 60)) * 1%));
  --cord: hsl(0, 0%, calc((60 - (var(--on) * 50)) * 1%));
  --stroke: hsl(0, 0%, calc((60 - (var(--on) * 50)) * 1%));
  --shine: hsla(0, 0%, 100%, calc(0.75 - (var(--on) * 0.5)));
  --cap: hsl(0, 0%, calc((40 + (var(--on) * 30)) * 1%));
  --filament: hsl(45, calc(var(--on) * 80%), calc((25 + (var(--on) * 75)) * 1%));
}
body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  overflow: hidden;
}
label {
  position: absolute;
  opacity: 0.5;
  height: 100%;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 2;
}
input {
  height: 0;
  width: 0;
  position: fixed;
  left: 100%;
  transform: scale(0);
}
.toggle {
  height: var(--size);
  width: var(--size);
  transform: translate(-50%, -100%);
  z-index: 2;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate3d(-50%, -100%, calc(var(--depth) * 3));
}
.toggle-scene {
  overflow: visible !important;
  width: 100%;
  position: absolute;
}
.toggle-scene__arm {
  display: none;
}
.toggle-scene__cord {
  stroke: var(--cord);
  cursor: move;
}
.toggle-scene__cord:nth-of-type(1) {
  display: none;
}
.toggle-scene__cord:nth-of-type(2),
.toggle-scene__cord:nth-of-type(3),
.toggle-scene__cord:nth-of-type(4),
.toggle-scene__cord:nth-of-type(5) {
  display: none;
}
.toggle-scene__cord-end {
  stroke: var(--cord);
  fill: var(--cord);
}
.toggle-scene__dummy-cord {
  stroke-width: 6;
  stroke: var(--cord);
}
.bulb__filament {
  stroke: var(--filament);
}
.bulb__shine {
  stroke: var(--shine);
}
.bulb__flash {
  stroke: #f5e0a3;
  display: none;
}
.bulb__bulb {
  stroke: var(--stroke);
  fill: hsla(calc(180 - (95 * var(--on))), 80%, 80%, calc(0.1 + (0.4 * var(--on))));
}
.bulb__cap {
  fill: var(--cap);
}
.bulb__cap-shine {
  fill: var(--shine);
}
.bulb__cap-outline {
  stroke: var(--stroke);
}
.bear {
  display: none;
}
.bear__fur {
  fill: #784421;
}
.bear__pad {
  fill: #deaa87;
}
.doorway {
  position: absolute;
  top: 50%;
  height: calc(var(--size) * 4);
  width: calc(var(--size) * 1.5);
  transform: translate(0, calc(var(--size) * -0.75));
  left: calc(50% + (var(--size) * 0.5));
  -webkit-clip-path: inset(0 0 0 -200%);
  clip-path: inset(0 0 0 -200%);
}
.doorway__opening {
  height: 100%;
  width: 100%;
  position: absolute;
  background: #1a1a1a;
  transform: translate3d(0, 0, calc(var(--depth) * -1));
}
.bear {
  position: absolute;
  top: 10%;
  width: var(--size);
}
.door {
  --panel: hsl(30, 20%, calc(12% + (var(--on) * 40%)));
  height: 100%;
  position: absolute;
  width: 100%;
  transform-origin: 100% 50%;
  transform-style: preserve-3d;
  transform: rotateY(0deg);
}
.door__panel {
  width: 30%;
  height: 35%;
  position: absolute;
  border: 1vmin var(--panel) solid;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) translate(var(--x), var(--y));
}
.door__panel:nth-of-type(1) {
  --x: -70%;
  --y: -70%;
}
.door__panel:nth-of-type(2) {
  --x: 70%;
  --y: -70%;
}
.door__panel:nth-of-type(3) {
  --x: -70%;
  --y: 70%;
}
.door__panel:nth-of-type(4) {
  --x: 70%;
  --y: 70%;
}
.door__handle {
  height: 4vmin;
  width: 4vmin;
  position: absolute;
  left: 10%;
  top: 50%;
  transform: translate3d(0, -50%, 1vmin);
}
.door__handle > div {
  position: absolute;
  height: 100%;
  width: 100%;
  background-color: hsl(45, 70%, calc((var(--lightness, 20%)) + (var(--on) * 40%)));
}
.door__handle > div:nth-of-type(1) {
  --lightness: 25%;
}
.door__handle > div:nth-of-type(2) {
  --lightness: 30%;
  transform: translate3d(0, 0, calc(var(--depth) * 1));
}
.door__side {
  position: absolute;
}
.door__side:nth-of-type(1) {
  --lightness: 20%;
  height: 100%;
  width: 100%;
  transform: translate3d(0, 0, 0);
  z-index: 3;
  background-color: hsl(30, 20%, calc((var(--lightness, 20%)) + (var(--on) * 40%)));
}
.door__side:nth-of-type(2) {
  --lightness: 10%;
  height: 100%;
  width: 100%;
  transform: translate3d(0, 0, calc(var(--depth) * -1));
}
.door__side {
  background-color: hsl(30, 20%, calc((var(--lightness, 20%)) + (var(--on) * 40%)));
}