/** RESET **/
* {
  margin: 0 0;
  padding: 0 0;
  font-size: 0;
  font-family: 'Arial', sans-serif;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  border: none;
  outline: none;
}

/** SHARED **/
.spacer {
  height: 100%;
  width: 0;
  vertical-align: middle;
  display: inline-block;
}

.is--hidden {
  visibility: hidden;
}

/** TOOLBAR **/
#toolbar {
  position: fixed;
  left: 20px;
  top: 20px;
  z-index: 99;
}

#toolbar h3 {
  font-size: 9px;
  letter-spacing: 0.08em;
  margin-bottom: 15px;
}

#toolbar h5 {
  font-size: 8px;
  letter-spacing: 0.08em;
  margin-bottom: 5px;
  color: #aaa;
}

#colorize {
  width: 20px;
  height: 20px;
  background-image: url('./colors.svg');
  background-size: cover;
  cursor: pointer;
  opacity: 0.6;
  display: inline-block;
}

#colorize:hover {
  opacity: 1;
}

#color-preview {
  margin: 0 10px;
  display: inline-block;
  width: 20px;
  height: 20px;
  background-color: #ffaa22;
}

#perspective {
  width: 150px;
  margin-bottom: 20px;
  position: relative;
  cursor: ew-resize;
}

#perspective .slider {
  height: 5px;
  width: 100%;
  background-color: #eee;
}

#perspective .knob {
  border-radius: 100%;
  height: 10px;
  width: 10px;
  background-color: #ccc;
  position: absolute;
  top: -2.5px;
}

.github {
  position: fixed;
  top: 5px;
  right: 5px;
  width: 20px;
  cursor: pointer;
  z-index: 99;
}

.github:hover path {
  fill: #00aeef;
}


/** PLANE **/
#plane-wrapper {
  position: fixed;
  min-width: 100%;
  height: 100vh;
  perspective-origin: 50% 50%;
  perspective: 600px;
  cursor: move;
  text-align: center;
  overflow: hidden;
}

#plane {
  display: inline-block;
  background-color: #eee;
  width: 500px;
  height: 500px;
  margin: 0 auto;
  vertical-align: middle;
  transform-style: preserve-3d;
  transform-origin: 50% 50%;
}

/** GRID **/
#grid {
  position: absolute;
}

.space {
  position: absolute;
  width: 50px;
  height: 50px;
  box-sizing: border-box;
  border: 1px solid #ddd;
  cursor: pointer;
}

/** CUBE **/
.cube {
  position: relative;
  transform-style: preserve-3d;
}

.face {
  position: absolute;
  width: 50px;
  height: 50px;
  background-color: #ffaa22;
  transform-origin: 50% 50%;
  opacity: 0.5;
  z-index: 2;
}

.face-1 {
  background-color: #ffaa11;
  transform: translate3d(0, 0, 50px);
}

.face-1:hover {
  opacity: 1;
}

.face-2 {
  background-color: #ffaa33;
  transform-origin: 0% 50%;
  transform: rotateX(90deg) translate3d(0, 25px, 25px);
}

.face-3 {
  background-color: #ffbb22;
  transform: rotateX(90deg) translate3d(0, 25px, -25px);
}

.face-4 {
  background-color: #ff9922;
  transform-origin: 50% 0%;
  transform: rotateY(90deg) translate3d(-25px, 0px, -25px);
}

.face-5 {
  background-color: #eeaa22;
  transform-origin: 50% 0%;
  transform: rotateY(90deg) translate3d(-25px, 0px, 25px);
}


/** MEDIA QUERIES **/
@media (max-width: 500px) {
  #plane {
    width: 300px;
    height: 300px;
  }

  .space, .face { width: 30px; height: 30px; }
  .face-1 { transform: translate3d(0, 0, 30px); }
  .face-2 { transform: rotateX(90deg) translate3d(0, 15px, 15px); }
  .face-3 { transform: rotateX(90deg) translate3d(0, 15px, -15px); }
  .face-4 { transform: rotateY(90deg) translate3d(-15px, 0px, -15px); }
  .face-5 { transform: rotateY(90deg) translate3d(-15px, 0px, 15px); }
}