*, *::before, *::after {
    box-sizing: border-box;
    font-family: "Nunito Sans", sans-serif;
  }
  
  :root {
    --hue-neutral: 200;
    --hue-wrong: 0;
    --hue-correct: 145;
  }
  
  body {
    --hue: var(--hue-neutral);
    padding: 0;
    margin: 0;
    display: flex;
    width: 100vw;
    height: 100vh;
    justify-content: center;
    align-items: center;
    background-color: #fff5f8; /* Light neutral background */
  }
  
  body.correct {
    --hue: var(--hue-correct);
  }
  
  body.wrong {
    --hue: var(--hue-wrong);
  }
  
  .container {
    width: 800px;
    max-width: 80%;
    background-color: white; /* White for the container */
    border-radius: 5px;
    padding: 10px;
    box-shadow: 0 0 10px 2px #f45e7c; /* Light orange for shadow */
  }
  
  .btn-grid {
    display: grid;
    grid-template-columns: repeat(2, auto);
    gap: 10px;
    margin: 20px 0;
  }
  
  .btn {
    --hue: var(--hue-neutral);
    border: 1px solid black;
    background-color: #f45e7c; /* Light orange for buttons */
    border-radius: 5px;
    padding: 5px 10px;
    color: white; /* White text */
    outline: none;
  }
  
  .btn:hover {
    border-color: #f2486a;; /* Darker orange for hover effect */
  }
  
  .btn.correct {
    --hue: var(--hue-correct);
    background-color: #6dff92; /* Green background */
    border-color: #6dff92;
    color: white; /* White text for contrast */
  }
  
  .btn.wrong {
    --hue: var(--hue-wrong);
    background-color: #ff4570; /* Red background */
    border-color: #ff4570;
    color: white; /* White text for contrast */
  }
  
  .start-btn, .next-btn {
    font-size: 1.5rem;
    font-weight: bold;
    padding: 10px 20px;
    background-color: #f45e7c; /* Light orange for start/next buttons */
    color: white; /* White text */
  }
  
  .controls {
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .hide {
    display: none;
  }