Fix Linux auth: Use signInWithRedirect fallback

js/accounts/auth.js

@@ -2,6 +2,8 @@
 import { auth, provider } from './config.js';
 import {
     signInWithPopup,
+    signInWithRedirect,
+    getRedirectResult,
     signOut as firebaseSignOut,
     onAuthStateChanged,
     signInWithEmailAndPassword,
@@ -26,6 +28,12 @@ export class AuthManager {
 
             this.authListeners.forEach((listener) => listener(user));
         });
+
+        // Handle redirect result (for Linux/Mobile where popup might be blocked)
+        getRedirectResult(auth).catch((error) => {
+            console.error('Redirect Login failed:', error);
+            alert(`Login failed: ${error.message}`);
+        });
     }
 
     onAuthStateChanged(callback) {
@@ -43,11 +51,29 @@ export class AuthManager {
         }
 
         try {
+            // Check for Linux environment (Neutralino) where popups are often blocked
+            if (window.NL_OS === 'Linux') {
+                await signInWithRedirect(auth, provider);
+                // The page will redirect, so no return value needed immediately
+                return;
+            }
+
             const result = await signInWithPopup(auth, provider);
             // The onAuthStateChanged listener will handle the rest
             return result.user;
         } catch (error) {
             console.error('Login failed:', error);
+            if (error.code === 'auth/popup-blocked') {
+                console.log('Popup blocked, falling back to redirect...');
+                try {
+                    await signInWithRedirect(auth, provider);
+                    return;
+                } catch (redirectError) {
+                    console.error('Redirect fallback failed:', redirectError);
+                    alert(`Login failed: ${redirectError.message}`);
+                    throw redirectError;
+                }
+            }
             alert(`Login failed: ${error.message}`);
             throw error;
         }

js/app.js

@@ -514,7 +514,7 @@ document.addEventListener('DOMContentLoaded', async () => {
         ui.setCurrentTrack(player.currentTrack);
 
         // Update Media Session with new track
-        updateMediaMetadata(player.currentTrack);
+        player.updateMediaSession(player.currentTrack);
 
         const currentTrackId = player.currentTrack.id;
         if (currentTrackId === previousTrackId) return;