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

@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: #181818;
    --primary-color: #e0e5ec;
    --secondary-color: #ffd700;
    --light-shadow: #525252;
    --dark-shadow: #000000;
    --inout-shadow: 4px 4px 8px #000000, -4px -4px 8px #525252,
      inset -4px -4px 8px #525252, inset 4px 4px 8px #000000;
    --inner-sahdow: -4 -4 8 #525252, 4 4 8 #000000;
  }
}

@media (prefers-color-scheme: light) {
  :root {
    --bg-color: #e0e5ec;
    --primary-color: #181818;
    --secondary-color: #cd9932;
    --light-shadow: #ffffff;
    --dark-shadow: #aeaeae;
    --inout-shadow: 4px 4px 8px #aeaeae, -4px -4px 8px #ffffff,
      inset -4px -4px 8px #ffffff, inset 4px 4px 8px #aeaeae;
    --inner-sahdow: -4 -4 8 #ffffff, 4 4 8 #aeaeae;
  }
}

html {
  font-size: 62.5%;
}

body {
  background: var(--bg-color);
  display: flex;
  height: 100vh;
  width: 100%;
}

.clock {
  margin: auto;
  height: 50rem;
  width: 50rem;
  border-radius: 50%;
  border: 10px solid transparent;
  box-shadow: 4px 4px 8px var(--dark-shadow), -4px -4px 8px var(--light-shadow),
    inset -4px -4px 8px var(--light-shadow),
    inset 4px 4px 8px var(--dark-shadow);
  position: relative;
}

@media screen and (max-width: 540px) {
  .clock {
    height: 35rem;
    width: 35rem;
  }
}

.clock::after {
  content: "";
  position: absolute;
  background: var(--bg-color);
  box-shadow: 4px 4px 8px var(--dark-shadow), -4px -4px 8px var(--light-shadow);
  z-index: 5;
  width: 1rem;
  height: 1rem;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
}

.dial {
  position: absolute;
  height: 100%;
  width: 100%;
}

.dial::after {
  content: "";
  position: absolute;
  height: 3rem;
  width: 0.3rem;
  border-radius: 5px;
  left: 50%;
  top: 2rem;
  background: var(--primary-color);
  transform: translateX(-50%);
}

.dial1 {
  transform: rotate(0);
}

.dial2 {
  transform: rotate(30deg);
}

.dial3 {
  transform: rotate(60deg);
}

.dial4 {
  transform: rotate(90deg);
}

.dial5 {
  transform: rotate(120deg);
}

.dial6 {
  transform: rotate(150deg);
}

.dial7 {
  transform: rotate(180deg);
}

.dial8 {
  transform: rotate(210deg);
}

.dial9 {
  transform: rotate(240deg);
}

.dial10 {
  transform: rotate(270deg);
}

.dial11 {
  transform: rotate(300deg);
}

.dial12 {
  transform: rotate(330deg);
}

.hand {
  position: absolute;
  bottom: 50%;
  left: 50%;
  z-index: 2;
  border-radius: 5px;
  transform-origin: bottom;
  transform: translateX(-50%);
}

.hour {
  height: 30%;
  width: 1rem;
  background: var(--bg-color);
  border: 1px solid var(--primary-color);
}

.minute {
  height: 40%;
  width: 0.7rem;
  background: var(--bg-color);
  border: 1px solid var(--primary-color);
}

.second {
  height: 46%;
  width: 0.2rem;
  background: var(--secondary-color);
}