body {
    font-family: 'Segoe UI', sans-serif;
    margin: 0;
    padding: 0;
    background: #f0f2f5;
    color: #333;
  }
  
  .container {
    max-width: 900px;
    margin: 50px auto;
    padding: 40px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  }
  
  h1 {
    text-align: center;
    color: #007acc;
    margin-bottom: 30px;
  }
  
  .input-area {
    text-align: center;
    margin-bottom: 30px;
  }
  
  .input-area input {
    padding: 12px;
    font-size: 1rem;
    width: 60%;
    border-radius: 8px;
    border: 1px solid #ccc;
    margin-bottom: 15px;
  }
  
  .input-area button {
    padding: 10px 20px;
    background: #007acc;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
  }
  
  .input-area button:hover {
    background: #005f99;
  }
  
  .info-text {
    color: #555;
  }
  
  .error-text {
    color: red;
    font-weight: bold;
  }
  
  .image-area, .solution-area {
    margin-top: 20px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #ddd;
  }
  
  .image-area img {
    max-width: 100%;
    border-radius: 8px;
  }
  
  .share-info {
    text-align: center;
    margin-top: 20px;
  }