feat: implement finish dialog with unanswered question detection and submit functionality

css/main.css

@@ -563,6 +563,71 @@ img {
     text-align: center;
 }
 
+/* Finish dialog styling */
+.finish-header {
+    display: flex;
+    justify-content: center;
+    padding-top: 6vh;
+    pointer-events: none;
+}
+.login-risr-box {
+    display: inline-block;
+}
+.login-risr-logo {
+    height: 64px;
+    width: auto;
+    user-drag: none;
+}
+.finish-dialog {
+    display: inline-block;
+    background-color: #1b1b1b;
+    color: #fff;
+    margin: 3vh auto;
+    padding: 1.6rem;
+    border-radius: 8px;
+    max-width: 520px;
+    box-shadow: 0 8px 24px rgba(0,0,0,0.6);
+    text-align: left;
+}
+.logout-title {
+    font-size: 1.4rem;
+    font-weight: 700;
+    margin-bottom: 0.8rem;
+}
+.logout-error.info {
+    background-color: #e3f2fd;
+    color: #0d47a1;
+    border: 1px solid rgba(13,71,161,0.15);
+    padding: 0.8rem;
+    border-radius: 4px;
+    margin-bottom: 0.8rem;
+}
+.logout-text {
+    margin-bottom: 0.8rem;
+    color: #ddd;
+}
+.logout-buttons {
+    display: flex;
+    gap: 0.6rem;
+    justify-content: flex-end;
+}
+.logout-button {
+    padding: 0.6rem 1rem;
+    border-radius: 4px;
+    border: none;
+    cursor: pointer;
+    font-weight: 600;
+}
+.logout-button.danger {
+    background: #b71c1c;
+    color: white;
+}
+.logout-button.primary {
+    background: #1976d2;
+    color: white;
+}
+
+
 .dialog {
     /*display: inline-block;*/
     display: none;

index.html

@@ -31,7 +31,7 @@
             id="btn-submit-nav"
             class="submit-button navigation nav-right"
           >
-            <b>SUBMIT</b>
+            <b>FINISH</b>
           </button>
           <button
             id="btn-review-overlay"
@@ -45,7 +45,7 @@
             class="navigation nav-right"
             title="click to toggle fullscreen"
           >
-            fullscreen
+            FULLSCREEN
           </button>
           <div class="app-name nav-left">RTS</div>
           <div id="sync-status" class="nav-left"></div>
@@ -108,12 +108,21 @@
             </div>
           </div>
         </div>
-        <div class="logout-background">
-          <div class="logout-panel">
-            <div class="logout-title">Ready to logout?</div>
-            <div class="logout-text"></div>
-            <button class="navigation logout-cancel">continue exam</button>
-            <button class="navigation logout-okay">logout now</button>
+        <div class="logout-background" role="dialog" aria-modal="true" aria-labelledby="finish-title">
+          <div class="finish-header">
+            <div class="login-risr-box"><img class="login-risr-logo" draggable="false" alt="Logo" src="risr-assess-on-dark.png"></div>
+          </div>
+          <div class="logout-panel finish-dialog" id="finish-dialog-panel">
+            <div class="logout-title" id="finish-title">Ready to finish?</div>
+            <div class="logout-error info">
+              <p><strong>Answers are submitted automatically. You can complete the exam by clicking below.</strong></p>
+              <p class="unanswered-line">You have <span id="unanswered-count">0</span> unanswered questions</p>
+            </div>
+            <div class="logout-text">Click “Submit exam” before closing the tab or window</div>
+            <div class="logout-buttons">
+              <button class="logout-button danger" id="button-logout">Submit exam</button>
+              <button class="logout-button primary" id="button-continue">Continue exam</button>
+            </div>
           </div>
         </div>
         <div id="options-panel" class="fullscreen-overlay">

js/main.js

@@ -2031,7 +2031,51 @@ $("#btn-local-file-load").click(function(evt) {
 });
 
 $(".submit-button").click(function(evt) {
-  interact.submitAnswers(exam_details, db, URLS);
+  // Show a finish dialog similar to the app style
+  // Compute unanswered count from the answers DB and show the dialog
+  interact
+    .getJsonAnswers(exam_details, db)
+    .then((answers) => {
+      // Count unique question ids answered
+      const qids = new Set();
+      answers.forEach((a) => {
+        if (a && a.qid) qids.add(a.qid.toString());
+      });
+
+      const totalQuestions =
+        exam_details.number_of_questions || (exam_details.question_order && exam_details.question_order.length) || 0;
+      const answeredCount = qids.size;
+      const unanswered = Math.max(0, totalQuestions - answeredCount);
+
+      $("#unanswered-count").text(unanswered);
+
+      // Update messaging for clarity
+      if (unanswered === 0) {
+        $(".logout-error.info p.unanswered-line").text("All questions have answers.");
+      } else if (totalQuestions === 0) {
+        $(".logout-error.info p.unanswered-line").text(`You have ${unanswered} unanswered question(s)`);
+      } else {
+        $(".logout-error.info p.unanswered-line").text(`You have ${unanswered} unanswered question(s)`);
+      }
+
+      // Show dialog overlay
+      $(".logout-background").fadeIn(150);
+
+      // Wire dialog buttons
+      $("#button-logout").off("click").on("click", function() {
+        interact.submitAnswers(exam_details, db, URLS);
+        $(".logout-background").fadeOut(150);
+      });
+
+      $("#button-continue").off("click").on("click", function() {
+        $(".logout-background").fadeOut(150);
+      });
+    })
+    .catch((e) => {
+      console.debug("Error computing unanswered count", e);
+      $("#unanswered-count").text("?");
+      $(".logout-background").fadeIn(150);
+    });
 });
 
 $("#btn-review").click(function(evt) {