.converter-tool {
            width: 100%;
            max-width: 500px;
            margin: 50px auto;
            padding: 20px;
            background: #ffffff;
            border-radius: 12px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
            text-align: center;
            font-family: Arial, sans-serif;
        }
        .converter-tool h2 {
            margin-bottom: 15px;
            color: #333;
        }
        .converter-tool input, .converter-tool button {
            width: 100%;
            padding: 12px;
            margin-top: 10px;
            border-radius: 8px;
            border: 1px solid #ddd;
            font-size: 16px;
        }
        .converter-tool button {
            background: #007bff;
            color: white;
            cursor: pointer;
            border: none;
            transition: background 0.3s;
        }
        .converter-tool button:hover {
            background: #0056b3;
        }
        .download-btn {
            display: none;
            margin-top: 15px;
            padding: 10px;
            background: #28a745;
            color: white;
            text-decoration: none;
            border-radius: 8px;
            font-size: 16px;
        }
        .download-btn:hover {
            background: #218838;
        }