/* Themes */

html[data-theme="dark"] {
  --body-color: #ffffff;
  --background-color: #22252d;
  --background-color-secondary: #292d36;
  --text-color: #ffffff;
}

html[data-theme="light"] {
  --body-color: #292d36;
  --background-color: #ffffff;
  --background-color-secondary: #f9f9f9;
  --text-color: #292d36;
}

/* Global */

* {
  box-sizing: border-box;
}

:root {
  --red: #ea6666;
  --light-blue: #26ebc7;
}

@import url("https://rsms.me/inter/inter.css");

html {
  font-size: 100%;
}
h1 {
  font-size: 3rem;
  margin: 1rem 0 0 0;
}
p {
  color: var(--background-color);
  font-size: 1.2rem;
  margin: 0;
}
a {
  color: var(--background-color);
}

body {
  background-color: var(--body-color);
  color: var(--text-color);
  font-family: "Inter", sans-serif;
  padding: 2rem 0;
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: space-around;
}

button {
  border: none;
  background-color: transparent;
  cursor: pointer;
}

/* Container & Screen */

.container {
  height: fit-content;
  background-color: var(--background-color);
  border-radius: 25px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: rgba(0, 0, 0, 0.15) 1.95px 1.95px 2.6px;
}

.screen {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 30px;
}

.screen p {
  color: var(--text-color);
}

.screen p.red {
  color: var(--red);
}

/* Icons */

.icons {
  background-color: var(--background-color-secondary);
  padding: 10px;
  border-radius: 10px;
  gap: 10px;
  display: flex;
  box-shadow: rgba(0, 0, 0, 0.15) 1.95px 1.95px 2.6px;
}

.icon {
  color: var(--text-color);
  opacity: 0.3;
}

.icon.active {
  opacity: 1;
}

/* Theme Toggle */

.gg-moon,
.gg-moon::after {
  display: block;
  box-sizing: border-box;
  border-radius: 50%;
}
.gg-moon {
  overflow: hidden;
  position: relative;
  transform: rotate(-135deg) scale(var(--ggs, 1));
  width: 20px;
  height: 20px;
  border: 2px solid;
  border-bottom-color: transparent;
}
.gg-moon::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 18px;
  border: 2px solid transparent;
  box-shadow: 0 0 0 2px;
  top: 8px;
  left: 2px;
}

.gg-sun {
  box-sizing: border-box;
  position: relative;
  display: block;
  transform: scale(var(--ggs, 1));
  width: 24px;
  height: 24px;
  background: linear-gradient(to bottom, currentColor 4px, transparent 0)
      no-repeat 5px -6px/2px 6px,
    linear-gradient(to bottom, currentColor 4px, transparent 0) no-repeat 5px
      14px/2px 6px,
    linear-gradient(to bottom, currentColor 4px, transparent 0) no-repeat -8px 5px/6px
      2px,
    linear-gradient(to bottom, currentColor 4px, transparent 0) no-repeat 14px
      5px/6px 2px;
  border-radius: 100px;
  box-shadow: inset 0 0 0 2px;
  border: 6px solid transparent;
}

.gg-sun::after,
.gg-sun::before {
  content: "";
  display: block;
  box-sizing: border-box;
  position: absolute;
  width: 24px;
  height: 2px;
  border-right: 4px solid;
  border-left: 4px solid;
  left: -6px;
  top: 5px;
}

.gg-sun::before {
  transform: rotate(-45deg);
}

.gg-sun::after {
  transform: rotate(45deg);
}

/* Operation */

.operation {
  align-self: flex-end;
  display: flex;
  margin-top: 5rem;
  gap: 5px;
}

.result {
  align-self: flex-end;
}

/* Buttons */

.buttons {
  background-color: var(--background-color-secondary);
  border-radius: 25px;
  padding: 20px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: 1fr 1fr 1fr 1fr 1fr;
  grid-gap: 10px;
}

.buttons button {
  background-color: var(--background-color);
  color: var(--text-color);
  border-radius: 25px;
  width: 80px;
  height: 80px;
  font-size: 1.3rem;
  font-weight: 400;
  box-shadow: rgba(0, 0, 0, 0.15) 1.95px 1.95px 2.6px;
}

.buttons button:active {
  filter: brightness(90%);
}

.buttons button.span2 {
  grid-column: span 2;
  width: 100%;
}

.buttons button.red {
  color: var(--red);
}

.buttons button.blue {
  color: var(--light-blue);
}

/* Mobile */

@media only screen and (max-width: 768px) {
  .operation {
    margin-top: 2rem;
  }

  .buttons button {
    width: 70px;
    height: 70px;
  }
}