@import url('https://fonts.googleapis.com/css2?family=Rubik:wght@700&display=swap');
*,
*::after,
*::before {
  margin: 0;
  padding: 0;
  box-sizing: inherit;
}
:root {
  --white: #fff;
  --bg: #130e2d;
  --light: #382a88;
  --dark: #1c1544;
  --light-icon: #7d6be8;
  --text-sunny: #f2f27a;
  --dark-icon: #2f2371;
  --transition: all 0.5s cubic-bezier(0.27, 0.74, 0.65, 0.68);
  --light-box-shadow: inset -0.1rem -0.1rem 0.2rem 0.1rem var(--light-icon),
    inset 0.1rem 0.1rem 0.2rem 0.1rem var(--light-icon);
  --dark-box-shadow: inset -0.1rem -0.1rem 0.2rem 0.1rem var(--light),
    inset 0.1rem 0.1rem 0.2rem 0.1rem var(--light);
}
html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}
body {
  font-size: 1.6rem;
  box-sizing: border-box;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}
.theme_toggle {
  width: 11rem;
  height: 5rem;
  background: var(--light);
  display: flex;
  align-items: center;
  padding: 1rem 0.7rem;
  border-radius: 4rem;
  gap: 1rem;
  transition: var(--transition);
  box-shadow: var(--light-box-shadow);
  cursor: pointer;
}
.theme_icon {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--light-icon);
  color: var(--text-sunny);
  transition: var(--transition);
  z-index: 3;
}
.theme_icon ion-icon {
  font-size: 2.5rem;
}
.theme_name {
  color: var(--text-sunny);
  font-family: 'Rubik', sans-serif;
  transition: var(--transition);
  animation: feadIn 0.8s ease-in-out forwards;
  z-index: 1;
}
.theme_toggle.night {
  background: var(--dark);
  transition: var(--transition);
  box-shadow: var(--dark-box-shadow);
}
.theme_icon.active {
  background: var(--dark-icon);
  transition: var(--transition);
  transform: translateX(5.5rem) rotate(0deg);
  color: var(--white);
  box-shadow: 0 0 0.2rem var(--light-icon);
}
.theme_icon.active + .theme_name {
  color: var(--white);
  transform: translateX(-4.5rem);
  transition: var(--transition);
  animation: feadIn 0.8s ease-in-out forwards;
}
@keyframes feadIn {
  0% {
    opacity: 0;
  }
  30% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

.theme_icon.day ion-icon {
  animation: sunny 0.6s ease-in-out forwards;
}
@keyframes sunny {
  0% {
    transform: scale(0.7) rotate(0deg);
  }
  100% {
    transform: scale(1) rotate(-257deg);
  }
}
.theme_icon.active ion-icon {
  animation: rotate 0.7s ease-in-out forwards;
}
@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(257deg);
  }
}