#datamatrix_qrcode_gen_wrapper {
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
      color: #333;
      line-height: 1.5;
      font-size: 14px;
    }
    
    #datamatrix_qrcode_gen_container {
      display: flex;
      gap: 20px;
      width: 100%;
      max-width: 1400px;
      margin: 0 auto;
      padding: 0;
      align-items: flex-start;
      box-sizing: border-box;
    }
    
    /* 左侧面板 */
    #datamatrix_qrcode_gen_left_panel {
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: 20px;
      min-width: 0;
      width: 0;
    }
    
    /* 输入区域 */
    #datamatrix_qrcode_gen_input_area {
      background: white;
      padding: 0;
      border-bottom: 1px solid #eee;
      padding-bottom: 15px;
      width: 100%;
      box-sizing: border-box;
    }
    
    #datamatrix_qrcode_gen_input_header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 8px;
      width: 100%;
      box-sizing: border-box;
    }
    
    #datamatrix_qrcode_gen_input_header label {
      font-weight: 600;
      color: #333;
      white-space: nowrap;
    }
    
    #datamatrix_qrcode_gen_char_count {
      color: #666;
      font-size: 13px;
      white-space: nowrap;
      margin-left: 10px;
    }
    
    #datamatrix_qrcode_gen_content_input {
      width: 100%;
      padding: 10px 12px;
      font-size: 14px;
      border: 1px solid #ddd;
      border-radius: 4px;
      transition: border-color 0.2s;
      box-sizing: border-box;
      background: #fff;
      color: #333;
      min-width: 0;
    }
    
    #datamatrix_qrcode_gen_content_input:focus {
      outline: none;
      border-color: #3498db;
    }
    
    #datamatrix_qrcode_gen_content_input::placeholder {
      color: #999;
    }
    
    /* 预览区域 */
    #datamatrix_qrcode_gen_preview_area {
      display: flex;
      flex-direction: column;
      gap: 15px;
      padding: 0;
      width: 100%;
      box-sizing: border-box;
    }
    
    /* 下载按钮 */
    #datamatrix_qrcode_gen_download_area {
      width: 100%;
      box-sizing: border-box;
    }
    
    #datamatrix_qrcode_gen_download_buttons {
      display: flex;
      gap: 8px;
      justify-content: flex-start;
      align-items: center;
      width: 100%;
      box-sizing: border-box;
    }
    
    .datamatrix_qrcode_gen_button_secondary {
      padding: 8px 20px;
      background: #fff;
      color: #333;
      border: 1px solid #ddd;
      border-radius: 4px;
      font-size: 13px;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.2s;
      min-width: 80px;
      white-space: nowrap;
      position: relative;
    }
    
    .datamatrix_qrcode_gen_button_secondary:hover:not(:disabled) {
      background: #3498db;
      color: white;
      border-color: #3498db;
    }
    
    .datamatrix_qrcode_gen_button_secondary:disabled {
      opacity: 0.5;
      cursor: not-allowed;
    }
    
    /* 预览图区域 */
    #datamatrix_qrcode_gen_preview {
      display: flex;
      justify-content: center;
      align-items: center;
      background: #fff;
      border: 1px solid #eee;
      border-radius: 4px;
      padding: 20px;
      min-height: 300px;
      overflow: hidden;
      position: relative;
      width: 100%;
      box-sizing: border-box;
      flex: 1;
    }
    
    /* 限制SVG大小 */
    #datamatrix_qrcode_gen_preview svg {
      max-width: 100%;
      max-height: 500px;
      width: auto;
      height: auto;
      display: block;
    }
    
    #datamatrix_qrcode_gen_placeholder {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 12px;
      color: #666;
      text-align: center;
      padding: 20px;
      box-sizing: border-box;
    }
    
    #datamatrix_qrcode_gen_placeholder_text {
      font-size: 13px;
      max-width: 200px;
      line-height: 1.4;
    }
    
    /* 右侧设置面板 */
    #datamatrix_qrcode_gen_right_panel {
      width: 280px;
      flex-shrink: 0;
      background: #fff;
      border: 1px solid #eee;
      border-radius: 4px;
      padding: 15px;
      box-sizing: border-box;
      margin-left: auto;
    }
    
    #datamatrix_qrcode_gen_settings_content {
      display: flex;
      flex-direction: column;
      gap: 20px;
      width: 100%;
      box-sizing: border-box;
    }
    
    /* 设置区块 */
    .datamatrix_qrcode_gen_settings_section {
      display: flex;
      flex-direction: column;
      gap: 12px;
      padding-bottom: 20px;
      border-bottom: 1px solid #eee;
      width: 100%;
      box-sizing: border-box;
    }
    
    .datamatrix_qrcode_gen_settings_section:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
    
    .datamatrix_qrcode_gen_settings_section_title {
      font-size: 14px;
      font-weight: 600;
      color: #333;
      margin-bottom: 5px;
      width: 100%;
      box-sizing: border-box;
    }
    
    /* 设置项 */
    .datamatrix_qrcode_gen_setting_item {
      display: flex;
      flex-direction: column;
      gap: 6px;
      width: 100%;
      box-sizing: border-box;
    }
    
    .datamatrix_qrcode_gen_setting_item label {
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: #666;
      font-size: 13px;
      cursor: pointer;
      width: 100%;
      box-sizing: border-box;
    }
    
    .datamatrix_qrcode_gen_setting_label {
      font-weight: 500;
      white-space: nowrap;
    }
    
    .datamatrix_qrcode_gen_setting_value {
      font-weight: 600;
      color: #333;
      font-family: 'Courier New', monospace;
      font-size: 12px;
      background: #f5f5f5;
      padding: 2px 6px;
      border-radius: 3px;
      white-space: nowrap;
      margin-left: 8px;
    }
    
    /* 颜色控制 */
    .datamatrix_qrcode_gen_color_controls {
      display: flex;
      gap: 6px;
      align-items: center;
      width: 100%;
      box-sizing: border-box;
    }
    
    .datamatrix_qrcode_gen_color_controls input[type="color"] {
      width: 30px;
      height: 30px;
      padding: 0;
      border: 1px solid #ddd;
      border-radius: 3px;
      cursor: pointer;
      background: #fff;
      flex-shrink: 0;
    }
    
    .datamatrix_qrcode_gen_color_controls input[type="color"]:hover {
      border-color: #3498db;
    }
    
    .datamatrix_qrcode_gen_color_controls input[type="text"] {
      flex: 1;
      padding: 6px 8px;
      border: 1px solid #ddd;
      border-radius: 3px;
      font-size: 12px;
      font-family: 'Courier New', monospace;
      transition: border-color 0.2s;
      background: #fff;
      color: #333;
      min-width: 0;
      box-sizing: border-box;
    }
    
    .datamatrix_qrcode_gen_color_controls input[type="text"]:focus {
      outline: none;
      border-color: #3498db;
    }
    
    .datamatrix_qrcode_gen_color_controls input[type="text"]:invalid {
      border-color: #e74c3c;
    }
    
    /* 复选框行 */
    .datamatrix_qrcode_gen_checkbox_row {
      display: flex;
      gap: 20px;
      margin-top: 5px;
      width: 100%;
      box-sizing: border-box;
    }
    
    .datamatrix_qrcode_gen_checkbox_item {
      display: flex;
      align-items: center;
      gap: 6px;
      cursor: pointer;
      white-space: nowrap;
    }
    
    .datamatrix_qrcode_gen_checkbox_item input[type="checkbox"] {
      width: 16px;
      height: 16px;
      margin: 0;
      cursor: pointer;
      flex-shrink: 0;
    }
    
    .datamatrix_qrcode_gen_checkbox_item label {
      font-size: 13px;
      color: #666;
      cursor: pointer;
      margin: 0;
      white-space: nowrap;
    }
    
    /* 滑块 */
    input[type="range"] {
      width: 100%;
      height: 4px;
      -webkit-appearance: none;
      background: #eee;
      border-radius: 2px;
      outline: none;
      margin: 8px 0 4px 0;
      box-sizing: border-box;
    }
    
    input[type="range"]::-webkit-slider-thumb {
      -webkit-appearance: none;
      width: 16px;
      height: 16px;
      background: #3498db;
      border-radius: 50%;
      cursor: pointer;
      border: 1px solid white;
      box-shadow: 0 1px 2px rgba(0,0,0,0.1);
    }
    
    /* 响应式设计 */
    @media (max-width: 1024px) {
      #datamatrix_qrcode_gen_container {
        gap: 15px;
        padding: 0 10px;
      }
      
      #datamatrix_qrcode_gen_right_panel {
        width: 260px;
      }
      
      .datamatrix_qrcode_gen_checkbox_row {
        gap: 15px;
      }
    }
    
    @media (max-width: 768px) {
      #datamatrix_qrcode_gen_container {
        flex-direction: column;
        gap: 15px;
      }
      
      #datamatrix_qrcode_gen_left_panel {
        width: 100%;
      }
      
      #datamatrix_qrcode_gen_right_panel {
        width: 100%;
        margin-left: 0;
      }
      
      .datamatrix_qrcode_gen_checkbox_row {
        gap: 20px;
      }
      
      #datamatrix_qrcode_gen_preview {
        min-height: 280px;
      }
      
      #datamatrix_qrcode_gen_download_buttons {
        justify-content: center;
      }
    }