body {
    background-color: #0d1117;
    color: #ffffff;
    font-family: 'Tahoma', sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    text-align: center;
  }

  h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
  }

  h3 {
    margin-bottom: 2rem;
  }

  .progress {
    width: 80%;
    height: 15px;
    background-color: #2e2e2e;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 0 10px #00ffe1a4;
  }

  .progress-bar {
    width: 0%;
    background: linear-gradient(90deg, #00ffd5, #00ff95);
    height: 100%;
    animation: fillBar 5s linear forwards;
  }

  @keyframes fillBar {
    from { width: 0%; }
    to { width: 100%; }
  }