form {
            background: white;
            padding: 10px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        label {
            display: block;
            margin-top: 10px;
            margin-bottom: 5px;
            font-weight: bold;
        }
        input, select {
            width: 100%;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 4px;
            box-sizing: border-box;
        }
        input:focus, select:focus {
            outline: none;
            border-color: #4CAF50;
        }
        input.error {
            border-color: red;
        }
        input.success {
            border-color: green;
        }
        .error-message {
            color: red;
            font-size: 14px;
            margin-top: 5px;
            display: none;
        }
        .success-message {
            color: green;
            font-size: 14px;
            margin-top: 5px;
            display: none;
        }
        .help-text {
            font-size: 12px;
            color: #666;
            margin-top: 3px;
        }
        input[type="submit"] {
            background-color: #4CAF50;
            color: white;
            border: none;
            padding: 15px 30px;
            font-size: 18px;
            margin-top: 20px;
            cursor: pointer;
            border-radius: 4px;
        }
        input[type="submit"]:hover {
            background-color: #45a049;
        }