Update 13 files

- /TeacherDashboard/index.html
- /TeacherDashboard/TeacherDashboard.code-workspace
- /TeacherDashboard/components/resourceModal.html
- /TeacherDashboard/components/subjectModal.html
- /TeacherDashboard/components/topicModal.html
- /TeacherDashboard/js/main.js
- /TeacherDashboard/js/subjects/colors.js
- /TeacherDashboard/js/subjects/subjectManager.js
- /TeacherDashboard/js/subjects/SubjectModel.js
- /TeacherDashboard/js/subjects/SubjectStorage.js
- /TeacherDashboard/js/topics/TopicModel.js
- /TeacherDashboard/js/topics/topicManager.js
- /TeacherDashboard/styles/main.css

TeacherDashboard/components/resourceModal.html

@@ -0,0 +1,33 @@
+    <!-- Resource Modal -->
+    <div id="resourceModal" class="modal hidden fixed inset-0 bg-black/30 flex items-center justify-center">
+       <div class="bg-white rounded-2xl p-8 w-full max-w-2xl shadow-2xl border-2 border-gray-100">
+           <div class="flex justify-between items-center mb-6">
+               <h3 class="text-xl font-bold">Materialien hochladen</h3>
+               <button onclick="closeModal('resourceModal')" class="text-gray-500 hover:text-gray-700">
+                   <i class="fas fa-times"></i>
+               </button>
+           </div>
+           <form id="resourceForm" class="space-y-4">
+               <div>
+                   <label class="block text-sm font-medium text-gray-700">Thema</label>
+                   <select name="topic" class="mt-1 block w-full rounded-lg border-gray-300 shadow-sm">
+                       <!-- Will be populated dynamically -->
+                   </select>
+               </div>
+               <div>
+                   <label class="block text-sm font-medium text-gray-700">Dateien</label>
+                   <input type="file" multiple name="files" class="mt-1 block w-full" accept=".pdf,.jpg,.png,.jpeg">
+               </div>
+               <div class="flex justify-end gap-4">
+                   <button type="button" onclick="closeModal('resourceModal')" 
+                           class="px-4 py-2 text-gray-700 bg-gray-100 rounded-lg hover:bg-gray-200">
+                       Abbrechen
+                   </button>
+                   <button type="submit" 
+                           class="px-6 py-3 text-white bg-[var(--primary-color)] rounded-xl hover:bg-[var(--secondary-color)] shadow-lg hover:shadow-xl transition">
+                       Hochladen
+                   </button>
+               </div>
+           </form>
+       </div>
+   </div>