*,
*::before,
*::after {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

body {
  font-family: "Orbitron";
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  font-weight: 400;
  background: radial-gradient(ellipse at bottom, #1b2735 0%, #090a0f 100%);
}

#particles-js {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: -100;
}

#container {
  /* outline: 1px solid black; */
  width: 600px;
  /* 元素是正方形，寬度和高度相同 */
  aspect-ratio: 1 / 1;
}

#colon {
  /* outline: 1px solid black; */
  width: 60px;
  aspect-ratio: 1 / 1;
  position: relative;
  top: 51%;
  left: 57%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 24px;
  color: lightyellow;
}

#minute {
  background: radial-gradient(ellipse at center, #202a3e 50%, #3f383f 85%);
  border: 2px solid #0d3f51;
  border-radius: 50%;
  width: 500px;
  aspect-ratio: 1 / 1;
  position: relative;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: light 10s linear infinite;
}

@keyframes light {
  from {
    filter: drop-shadow(0px 0px 10px #ff0);
  }

  33% {
    filter: drop-shadow(0px 0px 10px #0ff);
  }

  66% {
    filter: drop-shadow(0px 0px 10px #f0f);
  }

  to {
    filter: drop-shadow(0px 0px 10px #ff0);
  }
}

#minute-units {
  /* outline: 1px solid black; */
  width: 450px;
  aspect-ratio: 1 / 1;
}

#minute-units .seat {
  width: 50px;
  aspect-ratio: 1 / 1;
  position: absolute;
  /* outline: 1px solid black; */
  display: flex;
  align-items: center;
  justify-content: center;
  /* border-radius: 50%; */
  font-size: 22px;
}

.minute-units-text {
  color: #605257;
}

#minute-units .highlight {
  font-weight: 600;
  color: #1e0430;
  background: #d1b397;
  border: 1px solid #ffa3c9;
  border-radius: 8px;
}

#minute-ring {
  /* border: 1px solid black; */
  border-radius: 50%;
  width: 400px;
  aspect-ratio: 1 / 1;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

#minute-tens {
  width: 50px;
  aspect-ratio: 1 / 1;
  position: absolute;
  top: 50%;
  left: 79%;
  transform: translate(-50%, -50%) rotateY(0deg);
  transform-origin: center center;
  /* outline: 1px solid black; */
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 600;
  /* 指示元素的子元素應位於 3D 空間中 */
  transform-style: preserve-3d;
  /* 加入視角 */
  perspective: 800px;
}

.mt-div {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  /* 背面朝向使用者時不可見 */
  backface-visibility: hidden;
  opacity: 1;
  transform: rotateY(0deg);
  color: #1e0430;
  background: #d1b397;
  border: 1px solid #ffa3c9;
  border-radius: 8px;
}

.mt-div-back {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  backface-visibility: hidden;
  opacity: 1;
  transform: rotateY(180deg);
  color: #1e0430;
  background: #d1b397;
  border: 1px solid #ffa3c9;
  border-radius: 8px;
}

#hour-tens {
  width: 50px;
  aspect-ratio: 1 / 1;
  position: absolute;
  top: 50%;
  left: 13%;
  transform: translate(-50%, -50%) rotateX(0deg);
  transform-origin: center center;
  /* outline: 1px solid black; */
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 600;
  /* 指示元素的子元素應位於 3D 空間中 */
  transform-style: preserve-3d;
  /* 加入視角 */
  perspective: 800px;
}

.ht-div {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  /* 背面朝向使用者時不可見 */
  backface-visibility: hidden;
  opacity: 1;
  transform: rotateX(0deg);
  color: #1e0430;
  background: #d1b397;
  border: 1px solid #ffa3c9;
  border-radius: 8px;
}

.ht-div-back {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  backface-visibility: hidden;
  opacity: 1;
  transform: rotateX(180deg);
  color: #1e0430;
  background: #d1b397;
  border: 1px solid #ffa3c9;
  border-radius: 8px;
}

#hour {
  /* outline: 1px solid black; */
  position: relative;
  height: 400px;
}

#hour-units {
  /* outline: 1px solid black; */
  height: 400px;
  font-size: 22px;
  width: 50px;
  position: relative;
  top: 50%;
  left: 32.5%;
  transform: translate(-50%, -50%);
  overflow: hidden;
}

#hu-list {
  position: absolute;
  top: 0;
  transition: top 0.3s ease-out;
  width: 100%;
  height: auto;
}

.hu-number {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  height: 75px;
  position: relative;
  top: 13px;
  color: #483a3f;
}

.hu-number.hu-highlight {
  width: 50px;
  height: 50px;
  margin-top: 12px;
  margin-bottom: 13px;
  font-size: 24px;
  font-weight: 600;
  color: #1e0430;
  background: #d1b397;
  border: 1px solid #ffa3c9;
  border-radius: 8px;
}

#minute-tens,
#hour-tens,
.seat {
  transition: all 0.3s ease-in-out;
}

#second {
  position: relative;
  width: 600px;
  aspect-ratio: 1 / 1;
}

.dot {
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: gray;
  opacity: 0;
  transition: opacity 1s linear, box-shadow 1s linear;
}

#frame {
  height: 70px;
  width: 435px;
  position: absolute;
  top: 50%;
  left: 56.3%;
  transform: translate(-50%, -50%);
  border: 3px ridge lightyellow;
  background: #ffffff65;
  border-radius: 10px;
  z-index: 1;
}

#date {
  position: absolute;
  top: 60%;
  right: 27%;
  transform: translate(50%, -50%);
  color: #d1b397;
  letter-spacing: 2px;
}

/* bear */
.body {
  background-color: #9b8f6a;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  position: absolute;
  z-index: 2;
  top: -1.5%;
  left: 50%;
  margin: auto;
  animation: bear 30s cubic-bezier(0.42, 0, 0.58, 1) infinite;
  transform: translate(-50%, 50%) scale(0.2);
}

@keyframes bear {
  0% {
    top: 115px;
    transform: scale(0.2) translateX(-600px) rotate(0deg);
  }

  10% {
    top: 115px;
    transform: scale(0.25) translateX(-400px) rotate(0deg);
  }

  25% {
    top: 115px;
    transform: scale(0.2) translateX(-500px) rotate(0deg);
  }

  49% {
    top: 115px;
    transform: scale(0.2) translateX(-150px) rotate(360deg);
  }

  50% {
    top: 60px;
    /* 跳起來 */
    transform: scale(0.2) translateX(-150px) rotate(360deg) rotateZ(10deg)
      skewX(10deg);
  }

  51% {
    top: 115px;
    /* 落下 */
    transform: scale(0.2) translateX(-150px) rotate(360deg) rotateZ(0deg)
      skewX(0deg);
  }

  75% {
    top: 115px;
    transform: scale(0.2) translateX(300px) rotate(720deg);
  }

  100% {
    top: 115px;
    transform: scale(0.2) translateX(-600px) rotate(0deg);
  }
}

.eyel::before {
  content: "";
  background-color: #fff;
  width: 55px;
  height: 55px;
  border-radius: 50%;
  position: absolute;
  top: 23.5%;
  left: 15.5%;
}

.eyel::after {
  content: "";
  background-color: #4f392b;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  position: absolute;
  top: 27.5%;
  left: 19%;
}

.eyer::before {
  content: "";
  background-color: #fff;
  width: 55px;
  height: 55px;
  border-radius: 50%;
  position: absolute;
  top: 23.5%;
  right: 15.5%;
}

.eyer::after {
  content: "";
  background-color: #4f392b;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  position: absolute;
  top: 27.5%;
  right: 19%;
}

.earl::before {
  content: "";
  background-color: #9b8f6a;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  position: absolute;
  top: 10%;
  left: 0;
}

.earl::after {
  content: "";
  background-color: #fff;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  position: absolute;
  top: 15%;
  left: 5%;
}

.earr:before {
  content: "";
  background-color: #9b8f6a;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  position: absolute;
  top: 10%;
  right: 0;
}

.earr::after {
  content: "";
  background-color: #fff;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  position: absolute;
  top: 15%;
  right: 5%;
}

.circle::before {
  content: "";
  background-color: #ca7281;
  width: 66px;
  height: 66px;
  border-radius: 50%;
  position: absolute;
  top: 40%;
  left: -8%;
}

.circle::after {
  content: "";
  background-color: #ca7281;
  width: 66px;
  height: 66px;
  border-radius: 50%;
  position: absolute;
  top: 40%;
  right: -8%;
}

.ellipse {
  background-color: #fff;
  width: 110px;
  height: 75px;
  border-radius: 50%;
  position: absolute;
  top: 60%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.nose {
  background-color: #4f392b;
  width: 26px;
  height: 16px;
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.mouth {
  background-color: #4f392b;
  width: 64px;
  height: 23px;
  border-radius: 50%;
  position: absolute;
  top: 65%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.parallelogram::before {
  content: "";
  background-color: #fff;
  width: 33px;
  height: 33px;
  position: absolute;
  top: 80%;
  left: 52%;
  transform: skew(-50deg);
}

.parallelogram::after {
  content: "";
  background-color: #fff;
  width: 33px;
  height: 33px;
  position: absolute;
  top: 80%;
  right: 52%;
  transform: skew(50deg);
}