:root {
  --yangColor: #d8c21e;
  --yinColor: #111111;
  --borderRadius: 10px;
  --animation: 0.3s ease;
}

html {
  font-size: 2vmin;
  font-family: 'Gemunu Libre', sans-serif;
  box-sizing: border-box;
  width: 100%;
  height: 100%;
}

*,
*::before,
*::after {
  font-size: inherit;
  font-family: inherit;
  box-sizing: inherit;
  margin: 0;
  padding: 0;
}

.canvas {
  position: relative;
  height: 100vh;
  background: linear-gradient(
    to bottom,
    var(--yangColor) 0 10%,
    var(--yinColor) 75% 100%
  );
}

.container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-flow: column nowrap;
  justify-content: space-between;
  border: 3px solid var(--yangColor);
  border-radius: var(--borderRadius);
  width: 50vw;
  min-height: 80vmin;
  padding: 20px;
  background-color: var(--yinColor);
  box-shadow: 10px -5px 30px var(--yangColor);
}

#output-color {
  width: 100%;
  height: 35vmin;
  border: 1px solid var(--yangColor);
  border-radius: var(--borderRadius);
  border: 1px solid var(--yangColor);
}

#output-code {
  color: var(--yinColor);
  background-color: var(--yangColor);
  padding: 15px 10px;
  width: 100%;
  border-radius: var(--borderRadius);
  border: none;
  margin-top: 25px;
  text-align: center;
}

.actions {
  display: flex;
  justify-content: space-around;
  margin-bottom: 20px;
}

.button {
  font-size: 20px;
  padding: 15px 25px;
  margin: 0;
  cursor: pointer;
  border-radius: var(--borderRadius);
  transition: var(--animation);
}

#generate {
  background-color: var(--yangColor);
  color: var(--yinColor);
  border: 3px solid var(--yinColor);
}

#generate:hover {
  color: var(--yangColor);
  background-color: var(--yinColor);
  border: 3px solid var(--yangColor);
}

#copy {
  color: var(--yangColor);
  background-color: var(--yinColor);
  border: 3px solid var(--yangColor);
}

#copy:hover {
  background-color: var(--yangColor);
  color: var(--yinColor);
  border: 3px solid var(--yinColor);
}

.toast {
  position: fixed;
  font-size: 20px;
  padding: 20px;
  top: 10px;
  right: 10px;
  color: var(--yangColor);
  background: var(--yinColor);
  transition: var(--animation);
  transform: translateX(calc(100% + 10px));
  border: 3px solid var(--yangColor);
  border-radius: var(--borderRadius);
}

@keyframes showColor {
  0% {
    transform: scale(0);
  }
  100% {
    transform: scale(1);
  }
}

@media screen and (max-width: 480px) {
  .actions {
    flex-direction: column;
  }
  .button {
    margin: 5px 0;
  }
}