@charset "utf-8";
* {
  box-sizing: border-box;
}

html {
  height: 100%;
  background: #f4daab;
}

.overlay {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 0;
  background: #000000;
  opacity: 0;
}

#animate:checked + label .overlay {
  animation: darken linear 0.7s 2.8s forwards;
}

#animate {
  display: none;
}

body {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #f4daab;
}

.beam {
  position: absolute;
  top: 50%;
  bottom: 50%;
  left: 50%;
  transform: translatex(-50%);
  width: 8%;
  background: #ffffff;
  z-index: 110;
  border-radius: 50% 50% 0 0;
  box-shadow: 0px 0px 35px 7px rgba(255, 245, 145, 0);
}

.beam:before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  transform: translatey(50%);
  width: 100%;
  padding-top: 0;
  border-radius: 50%;
  background: #ffffff;
  opacity: 0;
  box-shadow: 0px 0px 35px 7px white;
}

#animate:checked + label .beam {
  animation: shoot-beam linear 0.3s 2.8s forwards, beam-pulse linear 0.1s 2.8s infinite;
}

#animate:checked + label .beam:before {
  animation: shoot-beam-base linear 0.1s 2.8s forwards;
}

.dragon-balls {
  width: 60px;
  height: 60px;
  transform: scale(1.5);
}

#animate:checked + label .dragon-balls {
  animation: zoom-out linear 0.3s 2.8s forwards;
}

.button {
  position: absolute;
  text-align: center;
  bottom: 1em;
  left: 50%;
  transform: translatex(-50%);
  width: auto;
  padding: 4px 8px;
  line-height: 1em;
  border: solid 1px #fa391a;
  font-family: sans-serif;
  font-weight: 200;
  font-size: 1em;
  color: #fa391a;
  letter-spacing: 2px;
  transition: ease all 0.75s;
  cursor: pointer;
  z-index: 100;
}

.button:before {
  content: "召唤神龙";
}

.button:hover {
  background: rgba(249, 174, 93, 0.3);
}

#animate:checked + label .button:before {
  content: "重置";
}

.ball {
  cursor: pointer;
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  z-index: 1;
  box-shadow: 0px 0px 0px 0px #fff591;
}

#animate:checked + label .ball {
  animation: outside-glow linear 0.1s infinite;
}

.ball:after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: linear-gradient(45deg, #fa391a 5%, #fe601a 20%, #f9ae5d 65%);
  z-index: 0;
}

.ball:before {
  content: "";
  bottom: -0.18em;
  right: 0.5em;
  position: absolute;
  width: 150%;
  height: 50%;
  background: linear-gradient(to right, rgba(252, 141, 45, 0) 0%, #fc8d2d 100%);
  border-radius: 20% 50% 50% 20%;
  opacity: 0.65;
  z-index: 0;
}

.ball .reflections {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  z-index: 2;
}

.ball .reflection {
  position: absolute;
  border-radius: 50%;
}

.ball .reflection:nth-child(1) {
  width: 77%;
  height: 77%;
  top: -2%;
  right: -2%;
  opacity: 0.7;
  background: linear-gradient(45deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.5) 80%, white 100%);
}

.ball .reflection:nth-child(2) {
  width: 50%;
  height: 50%;
  top: 8%;
  right: 8%;
  opacity: 0.7;
  background: linear-gradient(45deg, rgba(255, 255, 255, 0) 40%, rgba(255, 255, 255, 0.5) 80%, white 100%);
}

.stars {
  position: absolute;
  margin-top: -0.3em;
  margin-left: -0.1em;
  z-index: 1;
}

.star {
  position: absolute;
  display: inline-block;
  width: 0;
  height: 0;
  border-right: 0.3em solid transparent;
  border-bottom: 0.7em solid #fa391a;
  border-left: 0.3em solid transparent;
  /* Controlls the size of the stars. */
  font-size: 6px;
}
.star:before, .star:after {
  content: "";
  display: block;
  width: 0;
  height: 0;
  position: absolute;
  top: 0.6em;
  left: -1em;
  border-right: 1em solid transparent;
  border-bottom: 0.7em solid #fa391a;
  border-left: 1em solid transparent;
  transform: rotate(-35deg);
}
.star:after {
  transform: rotate(35deg);
}

.ball.one {
  left: -5em;
  top: 0;
  z-index: 6;
  transform: scale(0.98);
}

.ball.two {
  left: -3em;
  top: 2.5em;
  z-index: 7;
}

.ball.two .star:nth-child(1) {
  margin-left: -1.4em;
}

.ball.two .star:nth-child(2) {
  margin-left: 1.4em;
}

.ball.three {
  left: 2.2em;
  top: 1.5em;
  z-index: 5;
  transform: scale(0.98);
}

.ball.three .star:nth-child(1) {
  margin-top: -1.6em;
}

.ball.three .star:nth-child(2) {
  margin-top: 0.5em;
  margin-left: -1.5em;
}

.ball.three .star:nth-child(3) {
  margin-top: 0.5em;
  margin-left: 1.5em;
}

.ball.four {
  left: -.8em;
  top: -1.4em;
  z-index: 4;
  transform: scale(0.96);
}

.ball.four .star:nth-child(1) {
  margin-top: -1.7em;
  margin-left: -1.4em;
}

.ball.four .star:nth-child(2) {
  margin-top: -1.7em;
  margin-left: 1.4em;
}

.ball.four .star:nth-child(3) {
  margin-top: 1.1em;
  margin-left: -1.4em;
}

.ball.four .star:nth-child(4) {
  margin-top: 1.1em;
  margin-left: 1.4em;
}

.ball.five {
  left: 4em;
  top: -1em;
  z-index: 3;
  transform: scale(0.96);
}

.ball.five .star:nth-child(1) {
  margin-top: -0.2em;
}

.ball.five .star:nth-child(2) {
  margin-top: -2em;
  margin-left: 1.6em;
}

.ball.five .star:nth-child(3) {
  margin-top: 1.6em;
  margin-left: -1.6em;
}

.ball.five .star:nth-child(4) {
  margin-top: 1.6em;
  margin-left: 1.6em;
}

.ball.five .star:nth-child(5) {
  margin-top: -2em;
  margin-left: -1.6em;
}

.ball.six {
  left: 1em;
  top: -3.7em;
  z-index: 2;
  transform: scale(0.9);
}

.ball.six .star:nth-child(1) {
  margin-top: -0.2em;
}

.ball.six .star:nth-child(2) {
  margin-top: -1.3em;
  margin-left: 2.2em;
}

.ball.six .star:nth-child(3) {
  margin-top: 1.6em;
  margin-left: -1.6em;
}

.ball.six .star:nth-child(4) {
  margin-top: 1.6em;
  margin-left: 1.6em;
}

.ball.six .star:nth-child(5) {
  margin-top: -1.3em;
  margin-left: -2.2em;
}

.ball.six .star:nth-child(6) {
  margin-top: -2.8em;
}

.ball.seven {
  left: -3.8em;
  top: -3.8em;
  z-index: 1;
  transform: scale(0.88);
}

.ball.seven .star:nth-child(1) {
  margin-top: -0.2em;
}

.ball.seven .star:nth-child(2) {
  margin-top: -0.2em;
  margin-left: 2.5em;
}

.ball.seven .star:nth-child(3) {
  margin-top: 2em;
  margin-left: -1.4em;
}

.ball.seven .star:nth-child(4) {
  margin-top: 2em;
  margin-left: 1.4em;
}

.ball.seven .star:nth-child(5) {
  margin-top: -0.2em;
  margin-left: -2.6em;
}

.ball.seven .star:nth-child(6) {
  margin-left: -1.4em;
  margin-top: -2.5em;
}

.ball.seven .star:nth-child(7) {
  margin-left: 1.4em;
  margin-top: -2.5em;
}

.ball .glow {
  position: absolute;
  width: 0;
  height: 0;
  background: radial-gradient(ellipse at center, #fff591 0%, rgba(255, 245, 145, 0.99) 1%, rgba(255, 245, 145, 0.5) 50%, rgba(254, 252, 234, 0) 100%);
  z-index: 10;
  border-radius: 50%;
  box-shadow: 0px 0px 50px 1px rgba(255, 245, 145, 0.5);
}

#animate:checked + label .ball .glow {
  animation: inside-glow linear 1.5s 2s forwards, inside-glow-pulse linear 0.1s 3s infinite;
}

@keyframes outside-glow {
  start {
    box-shadow: 0px 0px 0px 0px #fff591;
  }
  50% {
    box-shadow: 0px 0px 35px 7px #fff591;
  }
  100% {
    box-shadow: 0px 0px 0px 0px #fff591;
  }
}
@keyframes inside-glow {
  10% {
    width: 105%;
    height: 105%;
  }
  20% {
    width: 30%;
    height: 30%;
  }
  30% {
    width: 107%;
    height: 107%;
  }
  40% {
    width: 60%;
    height: 60%;
  }
  50% {
    background: radial-gradient(ellipse at center, #fff591 0%, rgba(255, 245, 145, 0.99) 1%, rgba(255, 245, 145, 0.5) 50%, rgba(254, 252, 234, 0) 100%);
    width: 115%;
    height: 115%;
  }
  58% {
    width: 300%;
    height: 300%;
  }
  100% {
    width: 300%;
    height: 300%;
  }
}
@keyframes inside-glow-pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
  }
}
@keyframes zoom-out {
  100% {
    transform: scale(0.2);
  }
}
@keyframes shoot-beam {
  10% {
    box-shadow: 0px 0px 35px 7px rgba(255, 245, 145, 0);
  }
  100% {
    top: -20%;
    width: .8%;
  }
}
@keyframes shoot-beam-base {
  100% {
    opacity: 1;
    padding-top: 100%;
  }
}
@keyframes beam-pulse {
  0% {
    box-shadow: 0px 0px 20px 1px #fff591;
  }
  50% {
    box-shadow: 0px 0px 20px 5px #fff591;
  }
  100% {
    box-shadow: 0px 0px 20px 1px #fff591;
  }
}
@keyframes darken {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 0.6;
  }
}