Refactor quiz layout and timer functionality for improved responsiveness and clarity

src/css/styles.css

@@ -72,6 +72,7 @@ form button {
 
 #quiz {
     display: flex;
+    flex-direction: column;
 }
 
 #chart {
@@ -79,6 +80,17 @@ form button {
     display: flex;
     justify-content: center;
     align-items: center;
+    margin-bottom: 20px;
+}
+
+@media (min-width: 768px) {
+    #quiz {
+        flex-direction: row;
+    }
+
+    #chart {
+        margin-bottom: 0;
+    }
 }
 
 #question-text, #options {
@@ -106,6 +118,13 @@ form button {
     margin-top: 20px;
 }
 
+#timer {
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    margin-bottom: 20px;
+}
+
 table {
     width: 100%;
     border-collapse: collapse;

src/js/quiz.js

@@ -10,7 +10,8 @@ document.addEventListener('DOMContentLoaded', function () {
     let currentQuestionIndex = 0;
     let score = 0;
     let quizResults = [];
-    let timeLeft = 25000; // 25 seconds in milliseconds
+    const initialTimeLeft = 250000; // 25 seconds in milliseconds
+    let timeLeft = initialTimeLeft;
     let timer;
     let startTime = new Date().toISOString();
 
@@ -62,8 +63,8 @@ document.addEventListener('DOMContentLoaded', function () {
 
         // Complete timer reset
         stopTimer();
-        timeLeft = 25000; // 25 seconds in milliseconds
-        timerDisplay.textContent = (timeLeft / 1000).toFixed(1); // Display in seconds
+        timeLeft = initialTimeLeft; // Reset to initial time
+        timerDisplay.textContent = Math.ceil(timeLeft / 1000); // Display in whole seconds
 
         const question = questions[currentQuestionIndex];
         const chartFile = `charts/${question.chart}-${version}.vl.json`;
@@ -116,11 +117,11 @@ document.addEventListener('DOMContentLoaded', function () {
         stopTimer();
 
         // Ensure display shows starting value
-        timerDisplay.textContent = (timeLeft / 1000).toFixed(1); // Display in seconds
+        timerDisplay.textContent = Math.ceil(timeLeft / 1000); // Display in whole seconds
 
         timer = setInterval(() => {
             timeLeft -= 100; // Decrease by 100 milliseconds
-            timerDisplay.textContent = (timeLeft / 1000).toFixed(1); // Display in seconds
+            timerDisplay.textContent = Math.ceil(timeLeft / 1000); // Display in whole seconds
 
             if (timeLeft <= 0) {
                 stopTimer();
@@ -183,7 +184,7 @@ document.addEventListener('DOMContentLoaded', function () {
 
         currentQuestionIndex++;
         // Reset timer state before showing next question
-        timeLeft = 25000; // 25 seconds in milliseconds
+        timeLeft = initialTimeLeft; // Reset to initial time
         displayQuestion();
     }