Add participants list and styling to activity cards

Author: rulasg

src/static/app.js

@@ -20,11 +20,21 @@ document.addEventListener("DOMContentLoaded", () => {
 
         const spotsLeft = details.max_participants - details.participants.length;
 
+        const participantsList = details.participants.length > 0
+          ? `<ul class="participants-list">
+              ${details.participants.map(email => `<li>${email}</li>`).join('')}
+             </ul>`
+          : `<p class="no-participants">No participants yet. Be the first to sign up!</p>`;
+
         activityCard.innerHTML = `
           <h4>${name}</h4>
           <p>${details.description}</p>
           <p><strong>Schedule:</strong> ${details.schedule}</p>
           <p><strong>Availability:</strong> ${spotsLeft} spots left</p>
+          <div class="participants-section">
+            <p class="participants-header"><strong>Participants:</strong></p>
+            ${participantsList}
+          </div>
         `;
 
         activitiesList.appendChild(activityCard);

src/static/styles.css

@@ -74,6 +74,34 @@ section h3 {
   margin-bottom: 8px;
 }
 
+.participants-section {
+  margin-top: 15px;
+  padding-top: 12px;
+  border-top: 1px solid #e0e0e0;
+}
+
+.participants-header {
+  margin-bottom: 8px;
+  color: #1a237e;
+}
+
+.participants-list {
+  list-style-type: disc;
+  margin-left: 20px;
+  color: #555;
+}
+
+.participants-list li {
+  margin-bottom: 5px;
+  padding: 2px 0;
+}
+
+.no-participants {
+  font-style: italic;
+  color: #999;
+  margin: 0;
+}
+
 .form-group {
   margin-bottom: 15px;
 }