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

body {
  --accent-color: orangered;
  --background-color: white;
  --text-color: black;
  --button-text-color: var(--background-color);
  --transition-delay: 1s;

  background-color: var(--background-color);
  color: var(--text-color);
  font-family: Arial, Helvetica, sans-serif;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  overflow: hidden;
  transition: var(--transition-delay);
}

body.dark {
  --accent-color: hsl(196, 100%, 50%);
  --background-color: #333;
  --text-color: white;
}

.icon {
  aspect-ratio: 1;
  width: 1.5em;
  fill: var(--button-text-color);
  transition: var(--transition-delay);
}

.theme-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border: none;
  outline: none;
  background-color: var(--accent-color);
  color: var(--button-text-color);
  border-radius: 0.3em;
  font-size: inherit;
  padding: 1em 2em;
  cursor: pointer;
  transform: scale(1);
  transition: var(--transition-delay);
}

.theme-toggle:hover,
.theme-toggle:focus {
  transform: scale(1.1);
}

.container {
  --rotation: 0;

  position: absolute;
  top: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  height: 200vmin;
  pointer-events: none;
  rotate: calc(var(--rotation) * 1deg);
  transition: var(--transition-delay);
}

.sun,
.moon {
  aspect-ratio: 1;
  width: 5rem;
  fill: var(--accent-color);
  margin: 1rem;
  transition: var(--transition-delay);
}

.sun {
  opacity: 1;
}

.dark .sun {
  opacity: 0;
}

.moon {
  opacity: 0;
  rotate: 180deg;
}

.dark .moon {
  opacity: 1;
}