body {
    font-family: Arial, sans-serif;
    background-color: #f5f7fb;
    margin: 0;
    padding: 0px;
  }
  
  .container {
    max-width: 900px;
    margin: auto;
    margin-top: 65px;
    margin-bottom: 65px;
    background: #fff;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 0 15px rgba(0,0,0,0.1);
  }
  
  h1 {
    text-align: center;
    margin-bottom: 10px;
    font-size: 28px;
  }
  
  .format-links {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
  }
  
  .format-links a {
    color: #2a61d4;
    text-decoration: none;
    margin: 0 3px;
  }
  
  .select-btn, .convert-btn {
    display: block;
    margin: 0 auto 20px auto;
    padding: 12px 24px;
    background-color: #2a61d4;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
  }
  
  .download-btn, .download-all-btn {
    display: block;
    margin: 0 auto 20px auto;
    padding: 12px 24px;
    background-color: #2a61d4;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    width: 100px;
  }
  .drop-zone {
    border: 2px dashed #ccc;
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    margin-bottom: 30px;
    color: #555;
  }
  
  .image-card {
    display: flex;
    align-items: center;
    background: #eef5ff;
    padding: 15px 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    position: relative;
    gap: 20px;
  }
  
  .image-card img {
    width: 140px;
    height: auto;
    border-radius: 10px;
    object-fit: cover;
  }
  
  .remove-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: #e74c3c;
    color: white;
    border: none;
    font-size: 16px;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    cursor: pointer;
  }
  
  .details {
    flex: 1;
  }
  
  .details p {
    margin: 5px 0;
    font-size: 15px;
  }
  
  .details p strong {
    color: #000;
  }
  
  .slider-container {
    display: flex;
    align-items: center;
    margin-top: 10px;
    gap: 10px;
  }
  
  .slider-container input[type="range"] {
    flex: 1;
  }
  
  .slider-container input[type="number"] {
    width: 60px;
    padding: 5px;
    border: 1px solid #ccc;
    border-radius: 6px;
    text-align: center;
  }