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src/views/InstructorView.js

@@ -1299,7 +1299,11 @@ if (navInstBtn) {
 
                         if (instructorData) {
                             console.log("Hiding Modal and Setting Permissions...");
-                            if (authModal) authModal.classList.add('hidden');
+                            // Re-query authModal to ensure we have the live element in case of re-renders
+                            const liveAuthModal = document.getElementById('auth-modal');
+                            if (liveAuthModal) liveAuthModal.classList.add('hidden');
+                            else console.warn("Live authModal not found!");
+
                             checkPermissions(instructorData);
 
                             // Auto-Restore Room View if exists
@@ -1335,7 +1339,8 @@ if (navInstBtn) {
                             // Show unauthorized message
                             authErrorMsg.textContent = "此帳號無講師權限";
                             authErrorMsg.classList.remove('hidden');
-                            authModal.classList.remove('hidden'); // Ensure modal stays up
+                            const liveAuthModal = document.getElementById('auth-modal');
+                            if (liveAuthModal) liveAuthModal.classList.remove('hidden');
                         }
                     } catch (e) {
                         console.error("Permission Check Failed:", e);
@@ -1345,7 +1350,8 @@ if (navInstBtn) {
                         }
                     }
                 } else {
-                    authModal.classList.remove('hidden');
+                    const liveAuthModal = document.getElementById('auth-modal');
+                    if (liveAuthModal) liveAuthModal.classList.remove('hidden');
                 }
             });
         });