:root {
    --yangColor: #d8c21e;
    --yinColor: #111111;
    --borderRadius: 10px;
    --animation: 0.3s ease;
  }
  
  html {
    font-family: 'Gemunu Libre', sans-serif;
    box-sizing: border-box;
    width: 100%;
    height: 100%;
  }
  
  *,
  *::before,
  *::after {
    font-family: inherit;
    box-sizing: inherit;
    margin: 0;
    padding: 0;
  }
  
  .canvas {
    position: relative;
    background-color: var(--yinColor);
    min-height: 100vh;
  }
  
  .container {
    position: absolute;
    font-size: 40px;
    width: 60vmin;
    padding: 40px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: var(--borderRadius);
    border: 5px solid var(--yangColor);
  }
  
  .color-wrapper {
    position: relative;
    width: 30vmin;
    height: 30vmin;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 5px solid var(--yangColor);
    border-radius: 50%;
    margin: 0 auto;
  }
  
  .color-preview {
    width: calc(100% - 20px);
    height: calc(100% - 20px);
    border-radius: 50%;
  }
  
  #output {
    font-size: 24px;
    color: var(--yangColor);
    padding: 15px 0;
    margin: 25px 0;
    width: 100%;
    background-color: transparent;
    border: 3px dashed var(--yangColor);
    border-radius: var(--borderRadius);
    text-align: center;
  }
  
  #output::selection {
    background: transparent;
  }
  
  .actions {
    display: flex;
    justify-content: space-around;
  }
  
  .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);
  }
  
  .color-animation {
    animation: showColor 0.8s;
  }
  
  .toast {
    position: fixed;
    font-size: 20px;
    padding: 20px;
    top: 10px;
    right: 10px;
    color: var(--yangColor);
    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;
    }
  }