body {
            font-family: Arial, sans-serif;
            background: #f2f2f2;
            padding: 40px;
        }
        .container {
            width: 400px;
            margin: auto;
            background: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: 0 0 10px #ccc;
        }
        h2 {
            text-align: center;
            margin-bottom: 20px;
        }
        label {
            font-weight: bold;
            margin-top: 10px;
            display: block;
        }
        input[type="text"], input[type="file"] {
            width: 100%;
            padding: 10px;
            margin-top: 5px;
            border-radius: 5px;
            border: 1px solid #aaa;
        }
        button {
            width: 100%;
            padding: 12px;
            margin-top: 20px;
            background: #007bff;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 16px;
        }
        button:hover {
            background: #0056b3;
        }
        .message {
            margin-top: 15px;
            padding: 10px;
            text-align: center;
            border-radius: 5px;
        }
        .success {
            background: #d4edda;
            color: #155724;
        }
        .error {
            background: #f8d7da;
            color: #721c24;
        }