* {
  margin: 0;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

:root {
  --basket-ball-color: rgb(172,80,42);
}

body {
  margin: 0;
  overflow: hidden;
  background-color: #000000;
  position: relative;
}

[id="shoot-button"] {
  position: absolute;
  bottom: 8rem;
  right: 20vw;
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background: url(assets/textures/basketball-outline_orange.png) center/contain;
  box-shadow: 0px 0px 5px 3px rgba(255, 255, 255, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  text-shadow: 1px 1px 2px #55f;
  font-size: 1.2rem;
  font-weight: 1000;
  color: yellow;
  animation-name: hoverBall;
  animation-duration: 01s;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
  animation-direction: alternate;
  transition: 0.5s;
  cursor: pointer;
  user-select: none;
}

[id="shoot-button"]:active {
  transform: scale(1.3);
}

.shoot-button--waiting {
  opacity: 0.5;
  font-size: 1.1rem;
  text-shadow: 1px 1px 1px #555;
  color: #fff;
}

.shoot-button--left {
  left: 20vw;
}

@keyframes hoverBall {
  0% {
    box-shadow: 0px 0px 5px 3px rgba(255, 255, 255, 0.5);
    transform: translateY(2px);
  }
  100% {
    box-shadow: 0px 0px 5px 4px rgba(255, 255, 255, 0.5);
  }
}

[id=button-area] {
  position: absolute;
  top: 2rem;
  right: 20vw;
  width: 3rem;
  display: flex;
  flex-direction: column;
}

.button-area--left {
  left: 20vw;
}

#camera-button {
  width: 3rem;
  height: 3rem;
  cursor: pointer;
}

#audio-button {
  width: 3rem;
  height: 3rem;
  margin-top: 1rem;
  cursor: pointer;
}

#camera {
  width: 100%;
  height: auto;
}

.audio {
  width: 100%;
  height: auto;
  position: absolute;
}

.visible {
  opacity: 1;
  transition: 1s;
}

.hidden {
  opacity: 0;
}

.removed {
  display: none;
}

[type="range"] {
  position: absolute;
  right: 0;
  bottom: 50vh;
  transform: translateX(calc(-20vw + 4rem)) rotate(-90deg);
  -webkit-appearance: none;
  appearance: none;
  background: linear-gradient(to right, #555, #fff);
  height: 10px;
  width: 0;
  border-radius: 6px;
  transition: 2s;
}

[type="range"]:focus, [type="range"]:active {
  outline: none;
}

[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  position: relative;
  width: 30px;
  height: 30px;
  display: block;
  background: url(assets/textures/basketball-outline_orange.png) center/contain;
  border-radius: 50%;
  -webkit-border-radius: 50%;
}

[type="range"].visible {
  width: 12rem;
}

.slider--left {
  left: 0;
  transform: translateX(calc(20vw - 4rem)) rotate(-90deg);
}

.message-box {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
}

.message {
  color: #fff;
  text-shadow: 1px 1px 2px yellow, 2px 2px 2px #000;
  font-size: 0;
  opacity: 0;
  text-align: center;
  line-height: 1.3;
}

.message--animation {
  animation: message-pop 3s ease 1s;
}

@keyframes message-pop {
  50% {
    font-size: 10vw;
    opacity: 1;
  }
  80% {
    font-size: 10vw;
    opacity: 1;
  }
  100% {
    font-size: 0;
    opacity: 0;
    visibility: none;
  }
}

@media screen and (max-width: 500px) {
  [id="shoot-button"] {
    right: calc(50vw - 2rem);
    bottom: 4rem;
  }
  .shoot-button--left {
    left: calc(50vw - 2rem);
  }
  #button-area {
    right: 8vw;
  }
  .button-area--left {
    left: 8vw;
  }
  [type="range"] {
    bottom: 15rem;
    transform: translateX(calc(-8vw + 3rem)) rotate(-90deg);
  }
  .slider--left {
    left: 0;
    transform: translateX(calc(8vw - 3rem)) rotate(-90deg);
  }
}