body {
            font-family: Arial, sans-serif;
            margin: 20px;
            background-color: #f5f5f5;
        }
        
        .container {
            background-color: #acbff0;
            border: 2px solid black;
            padding: 20px;
            max-width: 600px;
            margin: 0 auto;
        }
        
        h1 {
            font-size: 18px;
            font-weight: bold;
            margin-bottom: 20px;
        }
        
        .step-title {
            font-style: italic;
            font-size: 12px;
            margin-bottom: 15px;
        }
        
        textarea {
            width: 100%;
            height: 300px;
            font-family: monospace;
            font-size: 12px;
            border: 1px solid black;
            padding: 10px;
            resize: vertical;
            box-sizing: border-box;
        }
        
        .button-container {
            margin-top: 20px;
        }

        .submit-btn {
            background-color: #4c68af;
            color: white;
            border: none;
            border-radius: 4px;
        }
        
        .convert-btn {
            background-color: #4c68af;
            color: white;
            border: none;
            border-radius: 4px;
        }

        .choose-btn {
            background-color: #4c68af;
            color: white;
            border: none;
            border-radius: 4px;
        }

        .exit-btn {
            background-color: #4c68af;
            color: white;
            border: none;
            border-radius: 4px;
        }

        button {
            padding: 8px 16px;
            margin-right: 10px;
            font-size: 14px;
            cursor: pointer;
        }
        
        .format-selection {
            margin: 20px 0;
        }
        
        .format-option {
            margin: 10px 0;
            font-size: 16px;
        }
        
        .format-option input[type="radio"] {
            margin-right: 10px;
        }
        
        .detected-format {
            font-size: 16px;
            margin-bottom: 20px;
        }
        
        .output-container {
            border: 2px solid blue;
            padding: 10px;
            margin: 20px 0;
            background-color: #f8f8ff;
        }
        
        .output-text {
            font-family: monospace;
            font-size: 12px;
            white-space: pre-wrap;
            word-wrap: break-word;
        }
        
        .page {
            display: none;
        }
        
        .page.active {
            display: block;
        }