Update static files: script.js and style.css

static/script.js

@@ -73,7 +73,7 @@ function showQuestion(questionIndex) {
     
     currentQuestion = questionIndex;
     document.getElementById('questionCounter').textContent = 'Question ' + questionIndex + ' of ' + totalQuestions;
-    document.getElementById('progressBar').style.width = (questionIndex / totalQuestions) * 100 + '%';
+    document.getElementById('progressBar').style.width = ((questionIndex - 1) / (totalQuestions - 1)) * 100 + '%';
     updateNavigationButtons();
 }
 

static/style.css

@@ -273,7 +273,7 @@ button:disabled {
 
 .progress-bar {
     background: var(--bg-gray);
-    height: 8px;
+    height: 6px;
     border-radius: 4px;
     overflow: hidden;
     margin-bottom: var(--space-lg);