:root {
      --color1: #6400a9;
      --color2: #ff8300;
      --color3: #0074ff;
      --color4: #2d6d00;
    }

    body {
      margin: 0.1;
      font-family: 'Segoe UI', sans-serif;
      background: linear-gradient(-45deg, var(--color1), var(--color2), var(--color3), var(--color4));
      background-size: 600% 600%;
      animation: gradientBG 20s ease infinite;
      color: white;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    @keyframes gradientBG {
      0% { background-position: 0% 50%; }
      50% { background-position: 100% 50%; }
      100% { background-position: 0% 50%; }
    }

    .progress-bar {
      height: 10px;
      background: #444;
      border-radius: 10px;
      overflow: hidden;
      margin: 0;
    }

    .progress {
      height: 100%;
      width: 0%;
      background: white;
      transition: width 0.3s ease;
    }

    h2 {
      text-align: center;
      font-size: 2.2rem;
      margin: 30px 20px;
      text-shadow: 2px 2px 6px rgba(0,0,0,0.4);
    }

    .answers {
  display: grid;
  grid-template-columns: 48vw 48vw;
  grid-template-rows: 48wh 48wh;
  gap: 2px;
  flex: 1;
  padding: 20px;
  box-sizing: border-box;
  height: 100%;
}

.answers button {
  font-size: 3rem;
  border: black;
  border-style: solid;
  border-radius: 16px;
  font-weight: bold;
  color: white;
  cursor: pointer;
  transition: transform 0.2s, background 0.3s ease;
  align-items: center;
  justify-content: center;
  height: 40vh;
  width: 48vw;
}



    .answers button:hover {
      transform: scale(1.05);
    }

    .answer-a { background: #6400a9; }
    .answer-b { background: #ff8300; }
    .answer-c { background: #0074ff; }
    .answer-d { background: #2d6d00; }

    .end-screen {
      text-align: center;
      padding: 60px 20px;
    }

    .end-screen h2 {
      font-size: 2rem;
      margin-bottom: 20px;
    }

    .end-screen button {
      padding: 14px 28px;
      font-size: 16px;
      border-radius: 12px;
      border: none;
      background: white;
      color: black;
      font-weight: bold;
      cursor: pointer;
    }

    .hidden {
      display: none;
    }