body {
    background-color: #34495e;
    color: #ecf0f1;
    font-family: 'Courier New', Courier, monospace;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    text-align: center;
  }
  .container {
    background-color: #2c3e50;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    width: 80%;
    max-width: 700px;
  }
  h1 {
    color: #3498db;
  }
  #quote-display {
    font-size: 1.5rem;
    margin-bottom: 20px;
    line-height: 1.6;
  }
  .word-correct {
    color: #2ecc71; /* Green for correct */
  }
  .word-incorrect {
    color: #e74c3c; /* Red for incorrect */
    text-decoration: underline;
  }
  .highlight {
    background-color: #f1c40f;
    color: #2c3e50;
    border-radius: 4px;
    padding: 2px 4px;
  }
  #typed-value {
    width: 100%;
    padding: 10px;
    font-size: 1.2rem;
    border: 2px solid #3498db;
    border-radius: 5px;
    background-color: #ecf0f1;
    color: #2c3e50;
    box-sizing: border-box;
  }
  #typed-value:disabled {
    background-color: #95a5a6;
  }
  #message {
    margin-top: 20px;
    font-size: 1.2rem;
    height: 20px; /* Reserve space to prevent layout shift */
  }
  /* --- MODIFIED ---: Style for the main action button */
  #action-button {
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    font-size: 1.2rem;
    cursor: pointer;
    margin-top: 20px;
    transition: background-color 0.3s;
  }
  /* --- NEW ---: Classes for different button states */
  .btn-start, .btn-success {
    background-color: #2ecc71; /* Green for start and success */
  }
  .btn-start:hover, .btn-success:hover {
    background-color: #27ae60;
  }
  .btn-reset {
    background-color: #e67e22; /* Orange for reset */
  }
  .btn-reset:hover {
    background-color: #d35400;
  }