Mejora de xml para que se vea mucho mas formal!

app/src/main/java/com/santiparra/yomitrack/ui/MainActivity.java

@@ -3,14 +3,18 @@ package com.santiparra.yomitrack.ui;
 import android.app.AlertDialog;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.os.Build;
 import android.os.Bundle;
-import android.widget.ImageView;
+import android.view.View;
 import android.view.ViewGroup;
+import android.widget.ImageView;
 
 import androidx.activity.EdgeToEdge;
+import androidx.annotation.RequiresApi;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.appcompat.app.AppCompatDelegate;
 import androidx.appcompat.widget.Toolbar;
+import androidx.core.content.ContextCompat;
 import androidx.core.graphics.Insets;
 import androidx.core.view.ViewCompat;
 import androidx.core.view.WindowCompat;
@@ -18,6 +22,8 @@ import androidx.core.view.WindowInsetsCompat;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentManager;
 import androidx.fragment.app.FragmentTransaction;
+
+import com.google.android.material.bottomnavigation.BottomNavigationView;
 import com.santiparra.yomitrack.R;
 import com.santiparra.yomitrack.databinding.ActivityMainBinding;
 import com.santiparra.yomitrack.ui.fragments.anime_list.FragmentAnime;
@@ -35,29 +41,37 @@ public class MainActivity extends AppCompatActivity {
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-
         AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_NO);
+
         binding = ActivityMainBinding.inflate(getLayoutInflater());
         setContentView(binding.getRoot());
 
+        // Ajustar colores de barra de estado y navegación
         WindowCompat.setDecorFitsSystemWindows(getWindow(), false);
-        EdgeToEdge.enable(this);
+        getWindow().setStatusBarColor(ContextCompat.getColor(this, R.color.primary));
+        getWindow().setNavigationBarColor(ContextCompat.getColor(this, R.color.primary));
 
+        // Para que íconos de status bar se vean bien con fondo oscuro
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+            getWindow().getInsetsController().setSystemBarsAppearance(0,
+                    android.view.WindowInsetsController.APPEARANCE_LIGHT_STATUS_BARS |
+                            android.view.WindowInsetsController.APPEARANCE_LIGHT_NAVIGATION_BARS);
+        }
+
+        // Alinear padding según barra superior e inferior
         ViewCompat.setOnApplyWindowInsetsListener(binding.getRoot(), (view, insets) -> {
             Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
-            view.setPadding(0, systemBars.top, 0, systemBars.bottom);
+            view.setPadding(0, systemBars.top, 0, 0);  // solo top, bottom lo controla el menú
             return insets;
         });
 
         ViewCompat.setOnApplyWindowInsetsListener(binding.bottomNavigationView, (view, insets) -> {
             int bottomInset = insets.getInsets(WindowInsetsCompat.Type.systemBars()).bottom;
             view.setPadding(0, 0, 0, bottomInset);
-
             ViewGroup.LayoutParams params = view.getLayoutParams();
             if (params instanceof ViewGroup.MarginLayoutParams) {
                 ((ViewGroup.MarginLayoutParams) params).bottomMargin = -bottomInset;
             }
-
             return insets;
         });
 
@@ -94,8 +108,7 @@ public class MainActivity extends AppCompatActivity {
                     .setMessage("¿Deseas cerrar sesión?")
                     .setPositiveButton("Sí", (dialog, which) -> {
                         SharedPreferences prefs = getSharedPreferences("user_session", MODE_PRIVATE);
-                        prefs.edit().clear().apply(); // ← ¡esto borra la sesión real!
-
+                        prefs.edit().clear().apply();
                         startActivity(new Intent(MainActivity.this, LoginActivity.class)
                                 .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK));
                     })

app/src/main/java/com/santiparra/yomitrack/ui/fragments/addanime/AddAnimeFragment.java

@@ -139,14 +139,20 @@ public class AddAnimeFragment extends Fragment {
         AnimeEntity anime = new AnimeEntity();
         anime.setUserId(userId);
         anime.setTitle(selected.getTitle());
-        anime.setImageUrl(selected.getImageUrl());
+
+        // ✅ Si no hay imagen, se usa una predeterminada
+        if (selected.getImageUrl() == null || selected.getImageUrl().isEmpty()) {
+            selectedImageUrl = "android.resource://" + requireContext().getPackageName() + "/" + R.drawable.sample_cover;
+        } else {
+            selectedImageUrl = selected.getImageUrl();
+        }
+
+        anime.setImageUrl(selectedImageUrl);
         anime.setStatus(status);
         anime.setType(type);
         anime.setScore(score);
         anime.setProgress(progress);
 
-        selectedImageUrl = selected.getImageUrl();
-
         api.insertAnime(anime).enqueue(new Callback<ApiResponse>() {
             @Override
             public void onResponse(Call<ApiResponse> call, Response<ApiResponse> response) {

app/src/main/java/com/santiparra/yomitrack/ui/fragments/addmanga/AddMangaFragment.java

@@ -139,14 +139,19 @@ public class AddMangaFragment extends Fragment {
         MangaEntity manga = new MangaEntity();
         manga.setUserId(userId);
         manga.setTitle(selected.getTitle());
-        manga.setImageUrl(selected.getImageUrl());
+
+        if (selected.getImageUrl() == null || selected.getImageUrl().isEmpty()) {
+            selectedImageUrl = "android.resource://" + requireContext().getPackageName() + "/" + R.drawable.sample_cover;
+        } else {
+            selectedImageUrl = selected.getImageUrl();
+        }
+
+        manga.setImageUrl(selectedImageUrl);
         manga.setStatus(status);
         manga.setType(type);
         manga.setScore(score);
         manga.setProgress(progress);
 
-        selectedImageUrl = selected.getImageUrl();
-
         api.insertManga(manga).enqueue(new Callback<ApiResponse>() {
             @Override
             public void onResponse(Call<ApiResponse> call, Response<ApiResponse> response) {

app/src/main/res/layout/activity_main.xml

@@ -64,5 +64,4 @@
         app:itemTextColor="@color/textPrimary"
         app:labelVisibilityMode="selected"
         app:menu="@menu/bottom_menu" />
-
 </androidx.coordinatorlayout.widget.CoordinatorLayout>

app/src/main/res/layout/item_activity_card.xml

@@ -25,7 +25,7 @@
                 android:layout_width="60dp"
                 android:layout_height="90dp"
                 android:scaleType="centerCrop"
-                android:src="@drawable/placeholder_image"
+                android:src="@drawable/sample_cover"
                 android:layout_marginEnd="12dp" />
 
             <LinearLayout