body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            margin: 0;
            padding: 20px;
            background-color: #f5f5f5;
            color: #333;
        }
        
        .container {
            max-width: 800px;
            margin: 0 auto;
            background-color: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
        }
        
        h1 {
            text-align: center;
            color: #2c3e50;
            margin-bottom: 30px;
        }
        
        .input-section {
            margin-bottom: 30px;
        }
        
        textarea {
            width: 100%;
            height: 200px;
            padding: 15px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 16px;
            resize: vertical;
            margin-bottom: 15px;
        }
        
        .buttons {
            display: flex;
            gap: 10px;
            margin-bottom: 20px;
        }
        
        button {
            padding: 10px 20px;
            background-color: #3498db;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 16px;
            transition: background-color 0.3s;
        }
        
        button:hover {
            background-color: #2980b9;
        }
        
        .qr-container {
            text-align: center;
            margin-top: 30px;
            padding: 20px;
            border: 1px dashed #ddd;
            border-radius: 5px;
            background-color: #f9f9f9;
        }
        
        #qrcode {
            display: inline-block;
            margin: 20px auto;
            padding: 10px;
            background-color: white;
        }
        
        .download-buttons {
            display: none;
            justify-content: center;
            gap: 10px;
            margin-top: 20px;
        }
        
        .instructions {
            margin-top: 30px;
            padding: 15px;
            background-color: #e8f4fc;
            border-radius: 5px;
            font-size: 14px;
        }
        
        .word-btn {
            background-color: #2ecc71;
        }
        
        .word-btn:hover {
            background-color: #27ae60;
        }
        
        .pdf-btn {
            background-color: #e74c3c;
        }
        
        .pdf-btn:hover {
            background-color: #c0392b;
        }

        .error-message {
            color: #e74c3c;
            background-color: #fde8e8;
            padding: 15px;
            border-radius: 5px;
            margin: 20px 0;
            display: none;
        }