body {
    font-family: 'Comic Sans MS', cursive, sans-serif;
    background: #fff3e0;
    text-align: center;
    margin: 0;
    padding: 0;
  }

  
  header {
    background: #edcb0c;
    color: #b51515;
    padding: 20px;
    font-size: 2rem;
    margin-bottom: 20px;
  }
  
  .emoji-note {
    font-size: 1.5rem;
    line-height: 2;
    background: #fff3e0;
    border: 3px solid #ffa726;
    padding: 16px;
    border-radius: 12px;
    margin: 20px auto;
    max-width: 90%;
  }
  
  .main-layout {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 40px;
    padding: 20px;
    flex-wrap: wrap;
    width: 100%;
  }
  
  .road-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }
  
  .road {
    width: 600px;
    height: 500px;
    background: url('./image/background.png');
    background-size: cover;
    background-position: center;
    border: 2px solid #999;
    border-radius: 10px;
    position: relative;
    overflow: hidden;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.1);
  }
  
  .ball {
    position: absolute;
    bottom: 10px;
    left: 0;
    width: 100px;
    transition: left 2s ease-in-out;
  }
  
  /* Force Icons */
  .force {
    position: absolute;
    display: none;
    width: 50px;
    transition: all 0.5s ease-in-out;
  }
  
  .forward {
    bottom: 60px;
    left: 5px;
  }
  
  .backward {
    bottom: 5px;
    left: 5px;
  }
  
  .torque {
    bottom: 40px;
    left: 15px;
    width: 40px;
  }
  
  /* Control Panel */
  .control.rolling {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    background: #d9f48e;
    border-radius: 10px;
    border: 2px solid #a6c756;
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.1);
    min-width: 180px;
    padding: 20px;
    justify-content: center;
    height: 500px;
  }
  
  input[type="number"] {
    padding: 6px;
    width: 120px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 1rem;
  }
  
  button {
    padding: 8px 16px;
    font-size: 1rem;
    background: #3e4e5e;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
  }
  
  button:hover {
    background: #2c3e50;
  }