def style():
    css = """
             .submit-btn {
                padding: 10px 20px;
                color: #333;
                background-color: #face00;
                border: 1px solid #ddd;
                border-radius: 5px;
                margin-top: 20px;
                cursor: pointer;
                transition: all 0.3s ease;
                }
             .submit-btn.disabled {
                background-color: #cccccc;
                color: #666666;
                cursor: not-allowed;
                opacity: 0.7;
                }
             .validation-alert {
                background-color: #ffdddd;
                color: #990000;
                padding: 10px;
                margin-bottom: 15px;
                border-radius: 5px;
                font-weight: bold;
                text-align: center;
                animation: fadeIn 0.5s;
                }
             .invalid-question {
                border: 2px solid #ff0000;
                padding: 10px;
                border-radius: 5px;
                margin-bottom: 10px;
                }
             @keyframes fadeIn {
                0% { opacity: 0; }
                100% { opacity: 1; }
                }
             #result {
                display: none;
                margin: 0;
                padding-left: 20px;
                padding-bottom: 20px;
                color: #000000;
                background-color: darkviolet
                }
             input[type="text"] {
                width: 100%;
                padding: 10px;
                color: #333333;
                border-radius: 5px;
                }
             #quiz-answers {
                margin-top: 30px;
                padding: 20px;
                background-color: #dfdfdf;
                border: 1px solid #ddd;
                border-radius: 5px;
             }
             #quiz-answers summary {
                display: inline-block;
                padding-bottom: 5px;
                cursor: pointer;
             }
             #quiz-answers summary, #quiz-answers h2 {
                color: #383838;
             }
             .answers-container {
                display: flex;
                flex-direction: column;
                gap: 20px;
             }
             
             .answer-item {
                padding: 15px;
                background-color: #e1ece4;
                border: 2px solid lightgreen;
                border-radius: 5px;
                box-shadow: 0 2px 4px rgba(0,0,0,0.05);
             }
             
             .answer-item h3 {
                margin-top: 0;
                color: #333;
                font-size: 18px;
             }
             
             .answer-item p {
                margin-bottom: 0;
                color: #009214;
                font-size: 16px;
                font-weight: 500;
             }
             .answer-item p strong {
                color: #1636d5;
             }
    """
    js = """
            <script>
            function validateForm() {
                const questions = document.querySelectorAll(".question");
                let isValid = true;
                
                questions.forEach((question) => {
                    const questionType = question.getAttribute("data-type");
                    const inputs = question.querySelectorAll("input");
                    
                    if (questionType === "single_choice" || questionType === "true_false") {
                        // Check if at least one radio button is selected
                        let hasChecked = false;
                        inputs.forEach((input) => {
                            if (input.checked) {
                                hasChecked = true;
                            }
                        });
                        if (!hasChecked) {
                            isValid = false;
                            // Highlight the question that needs attention
                            question.style.border = "2px solid red";
                            question.style.padding = "10px";
                            question.style.borderRadius = "5px";
                        } else {
                            question.style.border = "none";
                            question.style.padding = "0";
                        }
                    } else if (questionType === "multiple_choice") {
                        // Check if at least one checkbox is selected
                        let hasChecked = false;
                        inputs.forEach((input) => {
                            if (input.checked) {
                                hasChecked = true;
                            }
                        });
                        if (!hasChecked) {
                            isValid = false;
                            question.style.border = "2px solid red";
                            question.style.padding = "10px";
                            question.style.borderRadius = "5px";
                        } else {
                            question.style.border = "none";
                            question.style.padding = "0";
                        }
                    } else if (questionType === "fill_in_the_blank") {
                        // Check if the text input has a value
                        if (inputs[0].value.trim() === "") {
                            isValid = false;
                            question.style.border = "2px solid red";
                            question.style.padding = "10px";
                            question.style.borderRadius = "5px";
                        } else {
                            question.style.border = "none";
                            question.style.padding = "0";
                        }
                    }
                });
                
                return isValid;
            }
            
            function checkAnswers(event) {
                event.preventDefault();
                
                // First validate the form
                if (!validateForm()) {
                    // Show an alert message
                    const alertDiv = document.createElement('div');
                    alertDiv.className = 'validation-alert';
                    alertDiv.innerHTML = '<p>Please answer all questions before submitting!</p>';
                    alertDiv.style.backgroundColor = '#ffdddd';
                    alertDiv.style.color = '#990000';
                    alertDiv.style.padding = '10px';
                    alertDiv.style.borderRadius = '5px';
                    alertDiv.style.marginBottom = '15px';
                    alertDiv.style.fontWeight = 'bold';
                    alertDiv.style.textAlign = 'center';
                    
                    // Insert at the top of the form
                    const form = document.getElementById('quiz-form');
                    const existingAlert = document.querySelector('.validation-alert');
                    if (existingAlert) {
                        form.removeChild(existingAlert);
                    }
                    form.insertBefore(alertDiv, form.firstChild);
                    
                    // Scroll to the top
                    window.scrollTo({ top: 0, behavior: 'smooth' });
                    return;
                }
                
                let score = 0;
                let total = 0;
                const questions = document.querySelectorAll(".question");
                let userAnswer = "";
                const resultElement = document.getElementById("result");

                questions.forEach((question) => {
                  total++;
                  const questionType = question.getAttribute("data-type");
                  const correctAnswerJSON = question.getAttribute("data-answer");
                  const correctAnswer = JSON.parse(correctAnswerJSON);
                  const inputs = question.querySelectorAll("input");

                  if (questionType === "single_choice" || questionType === "true_false") {
                    // For radio buttons (single selection)
                    inputs.forEach((input) => {
                      if (input.checked) {
                        userAnswer = input.value;
                      }
                    });

                    if (userAnswer === correctAnswer) {
                      score++;
                    }
                  } else if (questionType === "multiple_choice") {
                    // For checkboxes (multiple selection)
                    const selectedOptions = Array.from(inputs)
                      .filter((input) => input.checked)
                      .map((input) => input.value);

                    // Compare arrays (needs to match exactly)
                    const correctArray = Array.isArray(correctAnswer)
                      ? correctAnswer
                      : [correctAnswer];
                    if (
                      selectedOptions.length === correctArray.length &&
                      selectedOptions.every((opt) => correctArray.includes(opt))
                    ) {
                      score++;
                    }
                  } else if (questionType === "fill_in_the_blank") {
                    // For text input
                    userAnswer = inputs[0].value.trim().toLowerCase();
                    const correctText = String(correctAnswer).trim().toLowerCase();

                    if (userAnswer === correctText) {
                      score++;
                    }
                  }
                });                // Remove any validation alerts once submitted successfully
                const existingAlert = document.querySelector('.validation-alert');
                if (existingAlert) {
                    existingAlert.remove();
                }
                
                // Remove any highlight on questions
                document.querySelectorAll('.question').forEach(q => {
                    q.style.border = 'none';
                    q.style.padding = '0';
                });
                
                // Display the result
                resultElement.style.display = "block";
                if (score === total) {
                  resultElement.innerHTML = `<h2>Result: </h2> <br />
                  <h3>Congratulations! You answered all questions correctly!</h3>
                  <h3>Your score: ${score}/${total}</h3>`;
                } else if (score < total / 2) {
                  resultElement.innerHTML = `<h2>Result: </h2> <br /> <h3>Keep trying! You can do better!</h3> <h3>Your score: ${score}/${total}</h3>`;
                } else {
                  resultElement.innerHTML = `<h2>Result: </h2> <br />
                  <h3>Good job! You answered ${score} out of ${total} questions correctly.</h3>
                  <h3>Your score: ${score}/${total}</h3>`;
                }
                // resultElement.style.backgroundColor = score > (total/2) ? '#e6ffe6' : '#fff0f0';
                resultElement.style.border = "1px solid #ddd";
                resultElement.style.borderRadius = "5px";
                resultElement.style.marginTop = "20px";
                answerContainer = document.getElementById('quiz-answers');
                answerContainer.style.display = 'block';
            }
            </script>
    """
    return css, js