corrige o erro da camera e da ia não funcionar e mudar o layout futuramente

2026-05-06 12:48:08 +01:00
parent a5ee481b39
commit e480abd98e
30 changed files with 1807 additions and 1039 deletions
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -43,4 +43,9 @@ dependencies {
    implementation("com.squareup.retrofit2:retrofit:2.9.0")
    implementation("com.squareup.retrofit2:converter-gson:2.9.0")
    implementation("com.squareup.okhttp3:logging-interceptor:4.9.0")
+    implementation("androidx.camera:camera-core:1.3.1")
+    implementation("androidx.camera:camera-camera2:1.3.1")
+    implementation("androidx.camera:camera-lifecycle:1.3.1")
+    implementation("androidx.camera:camera-view:1.3.1")
+    implementation("com.squareup.okhttp3:okhttp:4.12.0")
 }
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -3,6 +3,7 @@
    xmlns:tools="http://schemas.android.com/tools">

    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-feature android:name="android.hardware.camera" android:required="false" />

    <application
        android:allowBackup="true"
@@ -14,7 +15,10 @@
        android:supportsRtl="true"
        android:theme="@style/Theme.PAP">
        <activity
-            android:name=".Ingrediente"
+            android:name=".EditarPerfilActivity"
+            android:exported="false" />
+        <activity
+            android:name=".DefinicoesActivity"
            android:exported="false" />
        <activity
            android:name=".PerfilActivity"
--- a/app/src/main/java/com/example/pap/AiApi.java
+++ b/app/src/main/java/com/example/pap/AiApi.java
@@ -0,0 +1,14 @@
+package com.example.pap;
+
+import retrofit2.Call;
+import retrofit2.http.Body;
+import retrofit2.http.Header;
+import retrofit2.http.POST;
+
+public interface AiApi {
+    @POST("chat/completions")
+    Call<AiResponse> analisarImagem(
+            @Header("Authorization") String authHeader,
+            @Body AiRequest request
+    );
+}
--- a/app/src/main/java/com/example/pap/AiConfig.java
+++ b/app/src/main/java/com/example/pap/AiConfig.java
@@ -0,0 +1,19 @@
+package com.example.pap;
+
+import retrofit2.Retrofit;
+import retrofit2.converter.gson.GsonConverterFactory;
+
+public class AiConfig {
+    private static Retrofit retrofit;
+    private static final String BASE_URL = "https://openrouter.ai/api/v1/";
+
+    public static Retrofit getRetrofit() {
+        if (retrofit == null) {
+            retrofit = new Retrofit.Builder()
+                    .baseUrl(BASE_URL)
+                    .addConverterFactory(GsonConverterFactory.create())
+                    .build();
+        }
+        return retrofit;
+    }
+}
--- a/app/src/main/java/com/example/pap/AiModels.java
+++ b/app/src/main/java/com/example/pap/AiModels.java
@@ -0,0 +1,54 @@
+package com.example.pap;
+
+import java.util.List;
+
+class AiRequest {
+    // A MAGIA ESTÁ AQUI: Isto escolhe automaticamente a IA visual que estiver a funcionar hoje!
+    String model = "openrouter/free";
+    List<Message> messages;
+
+    AiRequest(List<Message> messages) { this.messages = messages; }
+}
+
+class Message {
+    String role;
+    List<ContentPart> content;
+
+    Message(String role, List<ContentPart> content) {
+        this.role = role;
+        this.content = content;
+    }
+}
+
+class ContentPart {
+    String type;
+    String text;
+    ImageUrl image_url;
+
+    ContentPart(String type, String text) {
+        this.type = type;
+        this.text = text;
+    }
+
+    ContentPart(String type, ImageUrl image_url) {
+        this.type = type;
+        this.image_url = image_url;
+    }
+}
+
+class ImageUrl {
+    String url;
+    ImageUrl(String url) { this.url = url; }
+}
+
+class AiResponse {
+    List<Choice> choices;
+
+    class Choice {
+        MessageResponse message;
+    }
+
+    class MessageResponse {
+        String content;
+    }
+}
--- a/app/src/main/java/com/example/pap/ChatActivity.java
+++ b/app/src/main/java/com/example/pap/ChatActivity.java
@@ -1,138 +1,168 @@
 package com.example.pap;

 import android.graphics.Color;
-import android.graphics.drawable.GradientDrawable;
 import android.os.Bundle;
-import android.os.Handler;
-import android.os.Looper;
 import android.view.Gravity;
-import android.view.View;
-import android.widget.Button;
 import android.widget.EditText;
+import android.widget.ImageButton;
 import android.widget.LinearLayout;
 import android.widget.ScrollView;
 import android.widget.TextView;
+import android.widget.Toast;
+
 import androidx.appcompat.app.AppCompatActivity;

+import org.json.JSONArray;
+import org.json.JSONObject;
+
+import java.io.IOException;
+
+import okhttp3.Call;
+import okhttp3.Callback;
+import okhttp3.MediaType;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.RequestBody;
+import okhttp3.Response;
+
 public class ChatActivity extends AppCompatActivity {

+    private EditText etMensagem;
+    private ImageButton btnEnviar;
    private LinearLayout chatLayout;
    private ScrollView chatScrollView;
-    private EditText etNovaMensagem;
-    private Button btnEnviarMensagem;
-    private Button btnVoltarChat;
+
+    // A TUA CHAVE DA GOOGLE VEM PARA AQUI!
+    private static final String GEMINI_API_KEY = "AQ.Ab8RN6IfhsFBO3UOpK3vYd7BrR2nfFb-mVE--nvqRnR46hB36A";
+
+    // O motor do Gemini 1.5 Flash
+    private static final String GEMINI_URL = "https://generativelanguage.googleapis.com/v1beta/models/gemini-1.5-flash:generateContent?key=" + GEMINI_API_KEY;
+
+    private OkHttpClient client;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_chat);

-        // 1. Associar os componentes do layout
+        etMensagem = findViewById(R.id.etMensagem);
+        btnEnviar = findViewById(R.id.btnEnviar);
        chatLayout = findViewById(R.id.chatLayout);
        chatScrollView = findViewById(R.id.chatScrollView);
-        etNovaMensagem = findViewById(R.id.etNovaMensagem);
-        btnEnviarMensagem = findViewById(R.id.btnEnviarMensagem);
-        btnVoltarChat = findViewById(R.id.btnVoltarChat);

-        // Mensagem inicial da IA ao abrir o ecrã
-        adicionarMensagemBalao("Olá! Sou o teu IA Coach de Saúde. Como te posso ajudar hoje na tua jornada de emagrecimento?", false);
+        client = new OkHttpClient();

-        // 2. Clique no botão de Enviar
-        btnEnviarMensagem.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                String mensagemUser = etNovaMensagem.getText().toString().trim();
+        // Dá as boas vindas
+        adicionarBalaoNoEcra("Olá! Sou o NutriChat AI 🤖. O que comeste hoje ou que dúvidas tens sobre a tua dieta?", false);

-                if (!mensagemUser.isEmpty()) {
-                    // Adiciona a mensagem do utilizador no ecrã
-                    adicionarMensagemBalao(mensagemUser, true);
-
-                    // Limpa a caixa de texto
-                    etNovaMensagem.setText("");
-
-                    // Simula a IA a processar e a responder
-                    simularRespostaDaIA(mensagemUser);
+        btnEnviar.setOnClickListener(v -> {
+            String pergunta = etMensagem.getText().toString().trim();
+            if (pergunta.isEmpty()) {
+                Toast.makeText(this, "Escreve alguma merda primeiro!", Toast.LENGTH_SHORT).show();
+                return;
            }
-            }
-        });

-        // 3. Clique no botão de Voltar
-        btnVoltarChat.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                finish();
-            }
+            // 1. Mostrar a mensagem do utilizador no ecrã
+            adicionarBalaoNoEcra(pergunta, true);
+            etMensagem.setText(""); // Limpa a caixa de texto
+
+            // 2. Chamar a Inteligência Artificial
+            chamarGemini(pergunta);
        });
    }

-    // Passo 3: Função para desenhar os balões de conversa no ecrã
-    private void adicionarMensagemBalao(String texto, boolean isUser) {
-        TextView textView = new TextView(this);
-        textView.setText(texto);
-        textView.setTextSize(16f);
-        textView.setPadding(32, 24, 32, 24);
+    // Função que desenha os balões de conversa no ecrã
+    private void adicionarBalaoNoEcra(String texto, boolean isUser) {
+        runOnUiThread(() -> {
+            TextView tv = new TextView(this);
+            tv.setText(texto);
+            tv.setTextSize(16f);
+            tv.setPadding(30, 20, 30, 20);
+            tv.setTextColor(isUser ? Color.WHITE : Color.parseColor("#1E293B"));

-        // Configurar as margens e o alinhamento (Direita = Utilizador, Esquerda = IA)
            LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
                    LinearLayout.LayoutParams.WRAP_CONTENT,
                    LinearLayout.LayoutParams.WRAP_CONTENT
            );
-        params.setMargins(0, 16, 0, 16);
-
-        // Configurar o design arredondado do balão
-        GradientDrawable background = new GradientDrawable();
-        background.setCornerRadius(32f);
+            params.setMargins(0, 10, 0, 10);

+            // Se for o utilizador, o balão vai para a direita e fica azul
            if (isUser) {
-            // Estilo do Utilizador (Fundo Verde, Texto Branco, Alinhado à direita)
                params.gravity = Gravity.END;
-            background.setColor(Color.parseColor("#4CAF50"));
-            textView.setTextColor(Color.WHITE);
+                tv.setBackgroundResource(R.drawable.balao_user); // Já vamos criar isto!
            } else {
-            // Estilo da IA (Fundo Cinza/Branco, Texto Escuro, Alinhado à esquerda)
+                // Se for a IA, o balão vai para a esquerda e fica branco/cinza
                params.gravity = Gravity.START;
-            background.setColor(Color.parseColor("#FFFFFF"));
-            textView.setTextColor(Color.parseColor("#2E3D32"));
-            textView.setElevation(4f); // Dá uma pequena sombra ao balão da IA
+                tv.setBackgroundResource(R.drawable.balao_ai); // Já vamos criar isto!
            }

-        textView.setLayoutParams(params);
-        textView.setBackground(background);
+            tv.setLayoutParams(params);
+            chatLayout.addView(tv);

-        // Adicionar o balão ao ecrã
-        chatLayout.addView(textView);
-
-        // Fazer scroll automático para baixo para ver a nova mensagem
-        chatScrollView.post(new Runnable() {
-            @Override
-            public void run() {
-                chatScrollView.fullScroll(ScrollView.FOCUS_DOWN);
-            }
+            // Faz scroll automático para o fundo para ver a mensagem nova
+            chatScrollView.post(() -> chatScrollView.fullScroll(ScrollView.FOCUS_DOWN));
        });
    }

-    // Passo 4: Função para simular a inteligência da IA
-    private void simularRespostaDaIA(String perguntaUtilizador) {
-        perguntaUtilizador = perguntaUtilizador.toLowerCase();
-        final String resposta;
+    // Função que vai à internet falar com o cérebro da Google
+    private void chamarGemini(String pergunta) {
+        try {
+            // Instrução secreta para ele agir como Nutricionista
+            String promptCompleto = "Aja como um nutricionista simpático e profissional. Responda de forma curta e direta à seguinte mensagem do utilizador: " + pergunta;

-        // Regras simples para fingir que a IA está a entender a pergunta
-        if (perguntaUtilizador.contains("água") || perguntaUtilizador.contains("agua")) {
-            resposta = "A hidratação é fundamental! O ideal é beberes pelo menos 2 a 3 litros de água por dia. Já bebeste algum copo hoje?";
-        } else if (perguntaUtilizador.contains("comer") || perguntaUtilizador.contains("fome") || perguntaUtilizador.contains("dieta")) {
-            resposta = "Se sentires fome entre as refeições, opta por snacks saudáveis como uma peça de fruta ou um punhado de frutos secos. Evita os doces!";
-        } else if (perguntaUtilizador.contains("treino") || perguntaUtilizador.contains("exercício") || perguntaUtilizador.contains("correr")) {
-            resposta = "Excelente! O exercício acelera o metabolismo. Lembra-te que a consistência é mais importante do que a intensidade. 30 minutos de caminhada já fazem a diferença.";
-        } else {
-            resposta = "Essa é uma ótima questão! O segredo do emagrecimento é o défice calórico aliado a bons hábitos. Continua focado, estou aqui para te apoiar em cada passo!";
-        }
+            // Construir o JSON que o Gemini exige
+            JSONObject part = new JSONObject();
+            part.put("text", promptCompleto);
+            JSONArray parts = new JSONArray();
+            parts.put(part);
+            JSONObject content = new JSONObject();
+            content.put("parts", parts);
+            JSONArray contents = new JSONArray();
+            contents.put(content);
+            JSONObject jsonBody = new JSONObject();
+            jsonBody.put("contents", contents);

-        // Simular um tempo de "pensamento" da IA (espera 1.5 segundos antes de mostrar a resposta)
-        new Handler(Looper.getMainLooper()).postDelayed(new Runnable() {
+            RequestBody body = RequestBody.create(jsonBody.toString(), MediaType.get("application/json; charset=utf-8"));
+            Request request = new Request.Builder()
+                    .url(GEMINI_URL)
+                    .post(body)
+                    .build();
+
+            // Fazer a chamada fora da Thread principal para a app não encravar
+            client.newCall(request).enqueue(new Callback() {
                @Override
-            public void run() {
-                adicionarMensagemBalao(resposta, false);
+                public void onFailure(Call call, IOException e) {
+                    adicionarBalaoNoEcra("Oops! Fiquei sem internet ou deu merda na ligação. 🔌", false);
+                }
+
+                @Override
+                public void onResponse(Call call, Response response) throws IOException {
+                    if (response.isSuccessful()) {
+                        try {
+                            String respostaJSON = response.body().string();
+                            JSONObject jsonObject = new JSONObject(respostaJSON);
+                            // Escarafunchar o JSON para tirar só o texto da resposta
+                            String respostaIA = jsonObject.getJSONArray("candidates")
+                                    .getJSONObject(0)
+                                    .getJSONObject("content")
+                                    .getJSONArray("parts")
+                                    .getJSONObject(0)
+                                    .getString("text");
+
+                            // Mostrar a resposta no ecrã
+                            adicionarBalaoNoEcra(respostaIA, false);
+
+                        } catch (Exception e) {
+                            adicionarBalaoNoEcra("Deu um nó no meu cérebro ao ler os dados. 🤯", false);
+                        }
+                    } else {
+                        adicionarBalaoNoEcra("Erro da Google: " + response.code(), false);
+                    }
+                }
+            });
+
+        } catch (Exception e) {
+            e.printStackTrace();
        }
-        }, 1500);
    }
 }
--- a/app/src/main/java/com/example/pap/DefinicoesActivity.java
+++ b/app/src/main/java/com/example/pap/DefinicoesActivity.java
@@ -0,0 +1,237 @@
+package com.example.pap;
+
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.text.InputType;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.LinearLayout;
+import android.widget.Toast;
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatDelegate;
+import androidx.appcompat.widget.SwitchCompat;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+
+public class DefinicoesActivity extends AppCompatActivity {
+
+    private SwitchCompat switchDarkMode;
+    private Button btnEditarNome, btnMudarEmail, btnMudarPass, btnVoltarDef;
+    private SharedPreferences sharedPreferences;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_definicoes);
+
+        // Iniciar a memória local do telemóvel
+        sharedPreferences = getSharedPreferences("MeusDadosApp", MODE_PRIVATE);
+
+        // Ligar os elementos do design ao código
+        switchDarkMode = findViewById(R.id.switchDarkMode);
+        btnEditarNome = findViewById(R.id.btnEditarNome);
+        btnMudarEmail = findViewById(R.id.btnMudarEmail);
+        btnMudarPass = findViewById(R.id.btnMudarPass);
+        btnVoltarDef = findViewById(R.id.btnVoltarDef);
+
+        // 1. Lógica do Modo Escuro
+        boolean isDarkMode = sharedPreferences.getBoolean("dark_mode", false);
+        switchDarkMode.setChecked(isDarkMode);
+
+        switchDarkMode.setOnCheckedChangeListener((buttonView, isChecked) -> {
+            if (isChecked) {
+                AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_YES);
+            } else {
+                AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_NO);
+            }
+            sharedPreferences.edit().putBoolean("dark_mode", isChecked).apply();
+        });
+
+        // Configurar os cliques nos botões
+        btnEditarNome.setOnClickListener(v -> mostrarPopupNome());
+        btnMudarEmail.setOnClickListener(v -> mostrarPopupEmail());
+        btnMudarPass.setOnClickListener(v -> mostrarPopupPassword());
+        btnVoltarDef.setOnClickListener(v -> finish());
+    }
+
+    // --- FUNÇÕES DOS POP-UPS ---
+
+    private void mostrarPopupNome() {
+        AlertDialog.Builder builder = new AlertDialog.Builder(this);
+        builder.setTitle("Mudar Nome");
+
+        final EditText input = new EditText(this);
+        input.setHint("Novo nome");
+        builder.setView(input);
+
+        builder.setPositiveButton("Guardar", (dialog, which) -> {
+            String novoNome = input.getText().toString().trim();
+            if (!novoNome.isEmpty()) {
+                sharedPreferences.edit().putString("nome", novoNome).apply();
+                Toast.makeText(this, "Nome atualizado com sucesso!", Toast.LENGTH_SHORT).show();
+            }
+        });
+        builder.show();
+    }
+
+    private void mostrarPopupEmail() {
+        AlertDialog.Builder builder = new AlertDialog.Builder(this);
+        builder.setTitle("Alterar Email");
+
+        LinearLayout layout = new LinearLayout(this);
+        layout.setOrientation(LinearLayout.VERTICAL);
+        layout.setPadding(50, 20, 50, 0);
+
+        final EditText etPassAtual = new EditText(this);
+        etPassAtual.setHint("A tua Password atual");
+        etPassAtual.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
+        layout.addView(etPassAtual);
+
+        final EditText etNovoEmail = new EditText(this);
+        etNovoEmail.setHint("Novo Email");
+        layout.addView(etNovoEmail);
+
+        builder.setView(layout);
+        builder.setPositiveButton("Alterar", (dialog, which) -> {
+            String passAtual = etPassAtual.getText().toString().trim();
+            String novoEmail = etNovoEmail.getText().toString().trim();
+            String emailAtual = sharedPreferences.getString("email", "");
+
+            if (passAtual.isEmpty() || novoEmail.isEmpty()) {
+                Toast.makeText(this, "Preenche todos os campos!", Toast.LENGTH_SHORT).show();
+                return;
+            }
+
+            SupabaseApi api = SupabaseConfig.getRetrofit().create(SupabaseApi.class);
+            UserCredentials creds = new UserCredentials(emailAtual, passAtual);
+
+            // Confirma a identidade do utilizador (Mini-login)
+            api.login(SupabaseConfig.SUPABASE_KEY, creds).enqueue(new Callback<SupabaseResponse>() {
+                @Override
+                public void onResponse(Call<SupabaseResponse> call, Response<SupabaseResponse> response) {
+                    if (response.isSuccessful() && response.body() != null) {
+                        String freshToken = response.body().access_token;
+
+                        // Envia o pedido de alteração de email para o Supabase
+                        Map<String, String> updates = new HashMap<>();
+                        updates.put("email", novoEmail);
+
+                        api.updateUserData(SupabaseConfig.SUPABASE_KEY, "Bearer " + freshToken, updates).enqueue(new Callback<Void>() {
+                            @Override
+                            public void onResponse(Call<Void> call, Response<Void> response) {
+                                if (response.isSuccessful()) {
+                                    // Apenas avisa o utilizador. O email só muda após clicar no link!
+                                    Toast.makeText(DefinicoesActivity.this, "Link enviado! Verifica a tua nova caixa de correio para confirmar.", Toast.LENGTH_LONG).show();
+                                } else {
+                                    Toast.makeText(DefinicoesActivity.this, "Erro ao tentar enviar o email de confirmação.", Toast.LENGTH_SHORT).show();
+                                }
+                            }
+
+                            @Override
+                            public void onFailure(Call<Void> call, Throwable t) {
+                                Toast.makeText(DefinicoesActivity.this, "Verifica a tua ligação à internet!", Toast.LENGTH_SHORT).show();
+                            }
+                        });
+                    } else {
+                        Toast.makeText(DefinicoesActivity.this, "A password atual está incorreta!", Toast.LENGTH_LONG).show();
+                    }
+                }
+
+                @Override
+                public void onFailure(Call<SupabaseResponse> call, Throwable t) {
+                    Toast.makeText(DefinicoesActivity.this, "Verifica a tua ligação à internet!", Toast.LENGTH_SHORT).show();
+                }
+            });
+        });
+        builder.show();
+    }
+
+    private void mostrarPopupPassword() {
+        AlertDialog.Builder builder = new AlertDialog.Builder(this);
+        builder.setTitle("Alterar Password");
+
+        LinearLayout layout = new LinearLayout(this);
+        layout.setOrientation(LinearLayout.VERTICAL);
+        layout.setPadding(50, 20, 50, 0);
+
+        final EditText etAntiga = new EditText(this);
+        etAntiga.setHint("Password Antiga");
+        etAntiga.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
+        layout.addView(etAntiga);
+
+        final EditText etNova = new EditText(this);
+        etNova.setHint("Nova Password (min. 6 caracteres)");
+        etNova.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
+        layout.addView(etNova);
+
+        final EditText etConfirma = new EditText(this);
+        etConfirma.setHint("Confirma a Nova Password");
+        etConfirma.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
+        layout.addView(etConfirma);
+
+        builder.setView(layout);
+        builder.setPositiveButton("Atualizar", (dialog, which) -> {
+            String pAntiga = etAntiga.getText().toString().trim();
+            String pNova = etNova.getText().toString().trim();
+            String pConfirma = etConfirma.getText().toString().trim();
+            String emailAtual = sharedPreferences.getString("email", "");
+
+            if (pAntiga.isEmpty() || pNova.isEmpty() || pConfirma.isEmpty()) {
+                Toast.makeText(this, "Preenche todos os campos!", Toast.LENGTH_SHORT).show();
+                return;
+            }
+
+            if (!pNova.equals(pConfirma) || pNova.length() < 6) {
+                Toast.makeText(this, "As novas passwords não coincidem ou são muito curtas!", Toast.LENGTH_LONG).show();
+                return;
+            }
+
+            SupabaseApi api = SupabaseConfig.getRetrofit().create(SupabaseApi.class);
+            UserCredentials creds = new UserCredentials(emailAtual, pAntiga);
+
+            // Confirma a identidade do utilizador (Mini-login)
+            api.login(SupabaseConfig.SUPABASE_KEY, creds).enqueue(new Callback<SupabaseResponse>() {
+                @Override
+                public void onResponse(Call<SupabaseResponse> call, Response<SupabaseResponse> response) {
+                    if (response.isSuccessful() && response.body() != null) {
+                        String freshToken = response.body().access_token;
+
+                        // Atualiza a palavra-passe no Supabase
+                        Map<String, String> updates = new HashMap<>();
+                        updates.put("password", pNova);
+
+                        api.updateUserData(SupabaseConfig.SUPABASE_KEY, "Bearer " + freshToken, updates).enqueue(new Callback<Void>() {
+                            @Override
+                            public void onResponse(Call<Void> call, Response<Void> response) {
+                                if (response.isSuccessful()) {
+                                    Toast.makeText(DefinicoesActivity.this, "Password alterada com sucesso!", Toast.LENGTH_LONG).show();
+                                } else {
+                                    Toast.makeText(DefinicoesActivity.this, "Erro no servidor ao mudar password.", Toast.LENGTH_SHORT).show();
+                                }
+                            }
+
+                            @Override
+                            public void onFailure(Call<Void> call, Throwable t) {
+                                Toast.makeText(DefinicoesActivity.this, "Verifica a tua ligação à internet!", Toast.LENGTH_SHORT).show();
+                            }
+                        });
+                    } else {
+                        Toast.makeText(DefinicoesActivity.this, "A password antiga está incorreta!", Toast.LENGTH_LONG).show();
+                    }
+                }
+
+                @Override
+                public void onFailure(Call<SupabaseResponse> call, Throwable t) {
+                    Toast.makeText(DefinicoesActivity.this, "Verifica a tua ligação à internet!", Toast.LENGTH_SHORT).show();
+                }
+            });
+        });
+        builder.show();
+    }
+}
--- a/app/src/main/java/com/example/pap/EditarPerfilActivity.java
+++ b/app/src/main/java/com/example/pap/EditarPerfilActivity.java
@@ -0,0 +1,30 @@
+package com.example.pap;
+
+import android.os.Bundle;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+import androidx.appcompat.app.AppCompatActivity;
+
+public class EditarPerfilActivity extends AppCompatActivity {
+
+    private EditText etEditNome, etEditEmail, etEditPassword;
+    private Button btnGuardarPerfil;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_editar_perfil);
+
+        etEditNome = findViewById(R.id.etEditNome);
+        etEditEmail = findViewById(R.id.etEditEmail);
+        etEditPassword = findViewById(R.id.etEditPassword);
+        btnGuardarPerfil = findViewById(R.id.btnGuardarPerfil);
+
+        btnGuardarPerfil.setOnClickListener(v -> {
+            // Mais tarde ligamos esta merda ao Supabase!
+            Toast.makeText(this, "Dados atualizados com sucesso, caralho! ✅", Toast.LENGTH_SHORT).show();
+            finish(); // Fecha e volta atrás
+        });
+    }
+}
--- a/app/src/main/java/com/example/pap/FotoActivity.java
+++ b/app/src/main/java/com/example/pap/FotoActivity.java
@@ -1,146 +1,108 @@
 package com.example.pap;

-import android.content.ActivityNotFoundException;
 import android.content.Intent;
 import android.graphics.Bitmap;
 import android.os.Bundle;
-import android.os.Handler;
-import android.os.Looper;
 import android.provider.MediaStore;
+import android.util.Base64;
 import android.view.View;
 import android.widget.Button;
 import android.widget.ImageView;
-import android.widget.LinearLayout;
 import android.widget.TextView;
-import android.widget.Toast;
 import androidx.activity.result.ActivityResultLauncher;
 import androidx.activity.result.contract.ActivityResultContracts;
 import androidx.appcompat.app.AppCompatActivity;
-import androidx.recyclerview.widget.LinearLayoutManager;
-import androidx.recyclerview.widget.RecyclerView;
-import java.util.ArrayList;
+
+import java.io.ByteArrayOutputStream;
+import java.util.Collections;
+
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;

 public class FotoActivity extends AppCompatActivity {

    private ImageView ivFotoComida;
-    private Button btnTirarFoto, btnVoltar, btnAddManual, btnConfirmar;
-    private LinearLayout layoutResultadosIA;
-    private TextView tvTotalCalorias, tvNomePrato;
-    private RecyclerView recyclerView;
-    private IngredientesAdapter adapter;
-    private ArrayList<Ingrediente> listaIngredientes;
+    private Button btnTirarFoto, btnAnalisarIA, btnVoltarFoto;
+    private TextView tvResultadoIA;
+    private Bitmap imagemCapturada;

-    // Lançador da Câmara
-    private final ActivityResultLauncher<Intent> cameraLauncher = registerForActivityResult(
-            new ActivityResultContracts.StartActivityForResult(),
-            result -> {
-                if (result.getResultCode() == RESULT_OK && result.getData() != null) {
-                    // Recebe a miniatura da foto
-                    Bundle extras = result.getData().getExtras();
-                    Bitmap imageBitmap = (Bitmap) extras.get("data");
-                    ivFotoComida.setImageBitmap(imageBitmap);
-
-                    // Inicia a simulação da IA
-                    Toast.makeText(this, "A analisar a imagem com IA...", Toast.LENGTH_SHORT).show();
-                    simularAnaliseIA();
-                }
-            }
-    );
+    // COLA A TUA CHAVE DO OPENROUTER AQUI (Aquela que tiraste sem telemóvel e sem VPN)
+    private final String MINHA_API_KEY = "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";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_foto);

-        // Inicializar vistas
        ivFotoComida = findViewById(R.id.ivFotoComida);
-        btnTirarFoto = findViewById(R.id.btnTirarFotoComida);
-        btnVoltar = findViewById(R.id.btnVoltarFoto);
-        layoutResultadosIA = findViewById(R.id.layoutResultadosIA);
-        tvTotalCalorias = findViewById(R.id.tvTotalCalorias);
-        tvNomePrato = findViewById(R.id.tvNomePratoDetectado);
-        recyclerView = findViewById(R.id.recyclerViewIngredientes);
-        btnAddManual = findViewById(R.id.btnAddIngredienteManual);
-        btnConfirmar = findViewById(R.id.btnConfirmarRefeicao);
+        btnTirarFoto = findViewById(R.id.btnTirarFoto);
+        btnAnalisarIA = findViewById(R.id.btnAnalisarIA);
+        tvResultadoIA = findViewById(R.id.tvResultadoIA);
+        btnVoltarFoto = findViewById(R.id.btnVoltarFoto);

-        // Configurar a RecyclerView
-        listaIngredientes = new ArrayList<>();
-        recyclerView.setLayoutManager(new LinearLayoutManager(this));
-        adapter = new IngredientesAdapter(listaIngredientes);
-        recyclerView.setAdapter(adapter);
+        ActivityResultLauncher<Intent> cameraLauncher = registerForActivityResult(
+                new ActivityResultContracts.StartActivityForResult(),
+                result -> {
+                    if (result.getResultCode() == RESULT_OK && result.getData() != null) {
+                        Bundle extras = result.getData().getExtras();
+                        imagemCapturada = (Bitmap) extras.get("data");

-        // Configurar o clique no botão de apagar (lixo) na lista
-        adapter.setOnItemClickListener(new IngredientesAdapter.OnItemClickListener() {
+                        ivFotoComida.setPadding(0, 0, 0, 0);
+                        ivFotoComida.setImageBitmap(imagemCapturada);
+
+                        btnTirarFoto.setVisibility(View.GONE);
+                        btnAnalisarIA.setVisibility(View.VISIBLE);
+                        tvResultadoIA.setText("Prato detetado! Clica em Analisar.");
+                    }
+                }
+        );
+
+        btnTirarFoto.setOnClickListener(v -> cameraLauncher.launch(new Intent(MediaStore.ACTION_IMAGE_CAPTURE)));
+
+        btnAnalisarIA.setOnClickListener(v -> { if (imagemCapturada != null) enviarParaIA(); });
+        btnVoltarFoto.setOnClickListener(v -> finish());
+    }
+
+    private void enviarParaIA() {
+        tvResultadoIA.setText("A procurar servidor livre e a analisar... ⏳");
+        btnAnalisarIA.setEnabled(false);
+
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        imagemCapturada.compress(Bitmap.CompressFormat.JPEG, 60, outputStream);
+        String base64Image = Base64.encodeToString(outputStream.toByteArray(), Base64.NO_WRAP);
+
+        String dataUrl = "data:image/jpeg;base64," + base64Image;
+        String prompt = "Identifica a comida nesta imagem e diz-me as calorias e macronutrientes num pequeno parágrafo.";
+
+        ContentPart textPart = new ContentPart("text", prompt);
+        ContentPart imagePart = new ContentPart("image_url", new ImageUrl(dataUrl));
+        Message message = new Message("user", java.util.Arrays.asList(textPart, imagePart));
+        AiRequest request = new AiRequest(Collections.singletonList(message));
+
+        AiApi api = AiConfig.getRetrofit().create(AiApi.class);
+        api.analisarImagem("Bearer " + MINHA_API_KEY, request).enqueue(new Callback<AiResponse>() {
            @Override
-            public void onDeleteClick(int position) {
-                removerIngrediente(position);
-            }
-        });
-
-        btnTirarFoto.setOnClickListener(v -> abrirCamera());
-        btnVoltar.setOnClickListener(v -> finish());
-
-        // Botão para simular adicionar um ingrediente extra manualmente
-        btnAddManual.setOnClickListener(v -> {
-            listaIngredientes.add(new Ingrediente("Azeite Extra (1 c.sopa)", 120));
-            adapter.notifyItemInserted(listaIngredientes.size() - 1);
-            calcularTotal();
-            Toast.makeText(this, "Ingrediente adicionado!", Toast.LENGTH_SHORT).show();
-        });
-
-        btnConfirmar.setOnClickListener(v -> {
-            Toast.makeText(this, "Refeição registada no diário!", Toast.LENGTH_LONG).show();
-            finish(); // Fecha o ecrã após confirmar
-        });
-    }
-
-    private void abrirCamera() {
-        Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
+            public void onResponse(Call<AiResponse> call, Response<AiResponse> response) {
+                btnAnalisarIA.setEnabled(true);
+                if (response.isSuccessful() && response.body() != null) {
                    try {
-            cameraLauncher.launch(takePictureIntent);
-        } catch (ActivityNotFoundException e) {
-            Toast.makeText(this, "Erro ao abrir a câmara.", Toast.LENGTH_SHORT).show();
+                        String resultado = response.body().choices.get(0).message.content;
+                        tvResultadoIA.setText(resultado);
+                    } catch (Exception e) { tvResultadoIA.setText("Erro ao ler texto da IA."); }
+                } else {
+                    try {
+                        String erroReal = response.errorBody() != null ? response.errorBody().string() : "Vazio";
+                        tvResultadoIA.setText("ERRO: " + response.code() + "\n" + erroReal);
+                    } catch (Exception e) { tvResultadoIA.setText("Erro desconhecido."); }
                }
            }

-    // Simula a resposta da IA após 2 segundos
-    private void simularAnaliseIA() {
-        new Handler(Looper.getMainLooper()).postDelayed(() -> {
-            // 1. Mostra a área de resultados
-            layoutResultadosIA.setVisibility(View.VISIBLE);
-            btnTirarFoto.setText("Tirar Outra Foto");
-
-            // 2. Simula os dados detetados
-            tvNomePrato.setText("Prato detetado: Salada César com Frango");
-            listaIngredientes.clear();
-            listaIngredientes.add(new Ingrediente("Peito de Frango Grelhado (150g)", 240));
-            listaIngredientes.add(new Ingrediente("Alface Romana (200g)", 30));
-            listaIngredientes.add(new Ingrediente("Molho César (2 c.sopa)", 160));
-            listaIngredientes.add(new Ingrediente("Croutons (30g)", 120));
-            listaIngredientes.add(new Ingrediente("Queijo Parmesão (20g)", 80));
-
-            // 3. Atualiza a lista e o total
-            adapter.notifyDataSetChanged();
-            calcularTotal();
-
-        }, 2000); // Espera 2 segundos
+            @Override
+            public void onFailure(Call<AiResponse> call, Throwable t) {
+                btnAnalisarIA.setEnabled(true);
+                tvResultadoIA.setText("Falha na ligação à Internet.");
            }
-
-    // Remove um item da lista e atualiza o total
-    private void removerIngrediente(int position) {
-        Ingrediente removido = listaIngredientes.get(position);
-        listaIngredientes.remove(position);
-        adapter.notifyItemRemoved(position);
-        calcularTotal();
-        Toast.makeText(this, "Removido: " + removido.getNome(), Toast.LENGTH_SHORT).show();
-    }
-
-    // Percorre a lista e soma as calorias
-    private void calcularTotal() {
-        int total = 0;
-        for (Ingrediente ing : listaIngredientes) {
-            total += ing.getCalorias();
-        }
-        tvTotalCalorias.setText(total + " kcal");
+        });
    }
 }
--- a/app/src/main/java/com/example/pap/HomeActivity.java
+++ b/app/src/main/java/com/example/pap/HomeActivity.java
@@ -6,6 +6,7 @@ import android.os.Bundle;
 import android.text.InputType;
 import android.widget.EditText;
 import android.widget.LinearLayout;
+import android.widget.TextView;
 import android.widget.Toast;
 import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.app.AppCompatActivity;
@@ -15,58 +16,46 @@ public class HomeActivity extends AppCompatActivity {

    private SharedPreferences sharedPreferences;

-    // Agora são 6 cartões!
-    private CardView cardPerfil, cardEstatisticas, cardTirarFoto, cardChat, cardDesafios, cardDefinicoes;
+    // Os 5 cartões principais do teu novo design
+    private CardView cardTirarFoto, cardChat, cardEstatisticas, cardDesafios, cardPerfil;
+    private TextView tvSaudacaoHome;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_home);

-        // 1. Iniciar a memória do telemóvel
-        sharedPreferences = getSharedPreferences("AppEmagrecimento", MODE_PRIVATE);
+        // 1. Iniciar a memória do telemóvel (Onde guardámos os dados no Registo)
+        sharedPreferences = getSharedPreferences("MeusDadosApp", MODE_PRIVATE);

-        // 2. Ligar os cartões do XML ao código
-        cardPerfil = findViewById(R.id.cardPerfil);
-        cardEstatisticas = findViewById(R.id.cardEstatisticas);
+        // 2. Ligar ao XML
        cardTirarFoto = findViewById(R.id.cardTirarFoto);
        cardChat = findViewById(R.id.cardChat);
+        cardEstatisticas = findViewById(R.id.cardEstatisticas);
        cardDesafios = findViewById(R.id.cardDesafios);
-        cardDefinicoes = findViewById(R.id.cardDefinicoes);
+        cardPerfil = findViewById(R.id.cardPerfil);
+        tvSaudacaoHome = findViewById(R.id.tvSaudacaoHome);

-        // 3. Configurar os cliques para abrir os outros ecrãs
-        cardPerfil.setOnClickListener(v -> {
-            Toast.makeText(this, "A abrir O Meu Perfil...", Toast.LENGTH_SHORT).show();
-            // startActivity(new Intent(HomeActivity.this, PerfilActivity.class));
-        });
+        // 3. Preencher o nome do utilizador no cabeçalho
+        String nome = sharedPreferences.getString("nome", "Guerreiro");
+        tvSaudacaoHome.setText("Olá, " + nome + "! 👋");

-        cardEstatisticas.setOnClickListener(v -> {
-            Toast.makeText(this, "A abrir Estatísticas...", Toast.LENGTH_SHORT).show();
-            // startActivity(new Intent(HomeActivity.this, EstatisticasActivity.class));
-        });
+        // 4. ATIVAR OS CLIQUES (Os Intents para abrir os outros ecrãs)
+        cardTirarFoto.setOnClickListener(v -> startActivity(new Intent(HomeActivity.this, FotoActivity.class)));

-        cardTirarFoto.setOnClickListener(v -> {
-            startActivity(new Intent(HomeActivity.this, FotoActivity.class));
-        });
+        cardChat.setOnClickListener(v -> startActivity(new Intent(HomeActivity.this, ChatActivity.class)));

-        cardChat.setOnClickListener(v -> {
-            startActivity(new Intent(HomeActivity.this, ChatActivity.class));
-        });
+        cardEstatisticas.setOnClickListener(v -> startActivity(new Intent(HomeActivity.this, EstatisticasActivity.class)));

-        cardDesafios.setOnClickListener(v -> {
-            startActivity(new Intent(HomeActivity.this, DesafiosActivity.class));
-        });
+        cardDesafios.setOnClickListener(v -> startActivity(new Intent(HomeActivity.this, DesafiosActivity.class)));

-        cardDefinicoes.setOnClickListener(v -> {
-            Toast.makeText(this, "A abrir Definições...", Toast.LENGTH_SHORT).show();
-            // startActivity(new Intent(HomeActivity.this, DefinicoesActivity.class));
-        });
+        cardPerfil.setOnClickListener(v -> startActivity(new Intent(HomeActivity.this, PerfilActivity.class)));

-        // 4. Verifica se já passou o tempo para pedir o novo peso
+        // 5. Verifica se já passou o tempo para pedir o novo peso
        verificarAtualizacaoSemanal();
    }

-    // Função que calcula se já passou o tempo (1 semana ou 10 segundos)
+    // Função que calcula o tempo passado
    private void verificarAtualizacaoSemanal() {
        long dataUltimaAtualizacao = sharedPreferences.getLong("data_ultima_atualizacao", 0);
        long dataAtual = System.currentTimeMillis();
@@ -75,7 +64,7 @@ public class HomeActivity extends AppCompatActivity {
            sharedPreferences.edit().putLong("data_ultima_atualizacao", dataAtual).apply();
        } else {
            // TEMPO CONFIGURADO PARA TESTES: 10 segundos!
-            // Para a PAP final usa: long tempoNecessario = 7L * 24 * 60 * 60 * 1000;
+            // Quando fores apresentar a PAP, podes mudar isto para 1 semana.
            long tempoNecessario = 10 * 1000;

            if (dataAtual - dataUltimaAtualizacao >= tempoNecessario) {
@@ -84,11 +73,11 @@ public class HomeActivity extends AppCompatActivity {
        }
    }

-    // Função que cria o pop-up para atualizar o peso
+    // Função que cria o pop-up no ecrã para atualizar peso e altura
    private void mostrarPopupAtualizacao() {
        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder.setTitle("Hora da pesagem! ⚖️");
-        builder.setMessage("Já passou 1 semana! Atualiza o teu peso e altura para acompanharmos a tua evolução.");
+        builder.setMessage("Já passou algum tempo! Atualiza o teu peso e altura para acompanharmos a tua evolução.");
        builder.setCancelable(false);

        LinearLayout layout = new LinearLayout(this);
@@ -119,16 +108,17 @@ public class HomeActivity extends AppCompatActivity {
                float novoPeso = Float.parseFloat(pesoStr);
                float novaAltura = Float.parseFloat(alturaStr);

+                // Grava os novos dados com as chaves corretas no bloco de notas
                SharedPreferences.Editor editor = sharedPreferences.edit();
-                editor.putFloat("pesoAtual", novoPeso);
-                editor.putFloat("alturaAtual", novaAltura);
+                editor.putFloat("peso", novoPeso);
+                editor.putFloat("altura", novaAltura);
                editor.putLong("data_ultima_atualizacao", System.currentTimeMillis());
                editor.apply();

                Toast.makeText(HomeActivity.this, "Dados atualizados com sucesso! 💪", Toast.LENGTH_SHORT).show();
                dialog.dismiss();
            } else {
-                Toast.makeText(HomeActivity.this, "Tens de preencher os dois campos!", Toast.LENGTH_SHORT).show();
+                Toast.makeText(HomeActivity.this, "Tens de preencher os dois campos, caralho!", Toast.LENGTH_SHORT).show();
            }
        });
    }
--- a/app/src/main/java/com/example/pap/LoginActivity.java
+++ b/app/src/main/java/com/example/pap/LoginActivity.java
@@ -1,8 +1,9 @@
 package com.example.pap;

 import android.content.Intent;
+import android.content.SharedPreferences;
 import android.os.Bundle;
-import android.view.View;
+import android.util.Log;
 import android.widget.Button;
 import android.widget.EditText;
 import android.widget.TextView;
@@ -12,82 +13,74 @@ import androidx.appcompat.app.AppCompatActivity;
 import retrofit2.Call;
 import retrofit2.Callback;
 import retrofit2.Response;
-import retrofit2.Retrofit;
-import retrofit2.converter.gson.GsonConverterFactory;

 public class LoginActivity extends AppCompatActivity {

    private EditText etLoginEmail, etLoginPassword;
    private Button btnLogin;
    private TextView tvGoToRegister;
-    private SupabaseApi api;
+    private SharedPreferences sharedPreferences;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_login);

-        // 1. Inicializar os componentes
+        // Ligar o código aos IDs do ecrã
        etLoginEmail = findViewById(R.id.etLoginEmail);
        etLoginPassword = findViewById(R.id.etLoginPassword);
        btnLogin = findViewById(R.id.btnLogin);
        tvGoToRegister = findViewById(R.id.tvGoToRegister);

-        // 2. Iniciar a comunicação com a API do Supabase
-        Retrofit retrofit = new Retrofit.Builder()
-                .baseUrl(SupabaseConfig.URL)
-                .addConverterFactory(GsonConverterFactory.create())
-                .build();
-        api = retrofit.create(SupabaseApi.class);
-
-        // 3. Configurar os cliques
-        btnLogin.setOnClickListener(v -> efetuarLogin());
+        // Iniciar a memória do telemóvel
+        sharedPreferences = getSharedPreferences("MeusDadosApp", MODE_PRIVATE);

+        // Enviar para o Registo
        tvGoToRegister.setOnClickListener(v -> {
            Intent intent = new Intent(LoginActivity.this, RegisterActivity.class);
            startActivity(intent);
        });
-    }

-    private void efetuarLogin() {
+        // Botão de Entrar
+        btnLogin.setOnClickListener(v -> {
            String email = etLoginEmail.getText().toString().trim();
            String password = etLoginPassword.getText().toString().trim();

-        // Validação básica
            if (email.isEmpty() || password.isEmpty()) {
-            Toast.makeText(this, "Preencha o email e a password!", Toast.LENGTH_SHORT).show();
+                Toast.makeText(this, "Preenche o email e a password!", Toast.LENGTH_SHORT).show();
                return;
            }

            UserCredentials credentials = new UserCredentials(email, password);
+            SupabaseApi api = SupabaseConfig.getRetrofit().create(SupabaseApi.class);

-        // Faz o pedido de Login ao Supabase
-        api.login(SupabaseConfig.API_KEY, credentials).enqueue(new Callback<SupabaseResponse>() {
+            api.login(SupabaseConfig.SUPABASE_KEY, credentials).enqueue(new Callback<SupabaseResponse>() {
                @Override
                public void onResponse(Call<SupabaseResponse> call, Response<SupabaseResponse> response) {
                    if (response.isSuccessful() && response.body() != null) {

-                    // Login com sucesso! Vai para a Home
-                    Toast.makeText(LoginActivity.this, "Login com sucesso!", Toast.LENGTH_SHORT).show();
+                        // Guardar o token e o email para usar nas Definições
+                        String token = response.body().access_token;
+                        SharedPreferences.Editor editor = sharedPreferences.edit();
+                        editor.putString("access_token", token);
+                        editor.putString("email", email);
+                        editor.apply();
+
+                        Toast.makeText(LoginActivity.this, "Entraste com sucesso! 🚀", Toast.LENGTH_SHORT).show();
                        Intent intent = new Intent(LoginActivity.this, HomeActivity.class);
                        startActivity(intent);
-                    finish(); // Fecha a tela de login
-
+                        finish();
                    } else {
-                    // SE DER ERRO (ex: 404, 400), MOSTRA O LINK EXATO E O CÓDIGO
-                    String urlQueFalhou = response.raw().request().url().toString();
-                    if (response.code() == 400) {
-                        Toast.makeText(LoginActivity.this, "Email ou password incorretos!", Toast.LENGTH_LONG).show();
-                    } else {
-                        Toast.makeText(LoginActivity.this, "Erro " + response.code() + "! Link: " + urlQueFalhou, Toast.LENGTH_LONG).show();
-                    }
+                        Toast.makeText(LoginActivity.this, "Dados errados! Verifica a tua password e email.", Toast.LENGTH_LONG).show();
+                        Log.e("SUPABASE", "Erro Login: " + response.code());
                    }
                }

                @Override
                public void onFailure(Call<SupabaseResponse> call, Throwable t) {
-                Toast.makeText(LoginActivity.this, "Falha na ligação: " + t.getMessage(), Toast.LENGTH_SHORT).show();
+                    Toast.makeText(LoginActivity.this, "Falha na ligação! Verifica a internet.", Toast.LENGTH_LONG).show();
                }
            });
+        });
    }
 }
--- a/app/src/main/java/com/example/pap/PerfilActivity.java
+++ b/app/src/main/java/com/example/pap/PerfilActivity.java
@@ -1,39 +1,51 @@
 package com.example.pap;

 import android.content.Intent;
+import android.content.SharedPreferences;
 import android.os.Bundle;
-import android.view.View;
 import android.widget.Button;
+import android.widget.TextView;
 import androidx.appcompat.app.AppCompatActivity;

 public class PerfilActivity extends AppCompatActivity {

+    private TextView tvPerfilNome, tvPerfilPontos, tvPerfilDesafios, tvPerfilSequencia;
+    private Button btnDefinicoes, btnVoltarPerfil;
+
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_perfil);

-        Button btnVoltar = findViewById(R.id.btnVoltarPerfil);
-        Button btnSair = findViewById(R.id.btnSair);
+        tvPerfilNome = findViewById(R.id.tvPerfilNome);
+        tvPerfilPontos = findViewById(R.id.tvPerfilPontos);
+        tvPerfilDesafios = findViewById(R.id.tvPerfilDesafios);
+        tvPerfilSequencia = findViewById(R.id.tvPerfilSequencia);
+        btnDefinicoes = findViewById(R.id.btnDefinicoes);
+        btnVoltarPerfil = findViewById(R.id.btnVoltarPerfil);

-        // Voltar à Home
-        btnVoltar.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                finish();
-            }
+        btnDefinicoes.setOnClickListener(v -> {
+            startActivity(new Intent(PerfilActivity.this, DefinicoesActivity.class));
        });

-        // Terminar Sessão (Voltar ao Login e limpar a Home)
-        btnSair.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                Intent intent = new Intent(PerfilActivity.this, LoginActivity.class);
-                // Estas flags garantem que o utilizador não consegue clicar em "Voltar" no telemóvel e ir para a Home de novo
-                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
-                startActivity(intent);
-                finish();
+        btnVoltarPerfil.setOnClickListener(v -> finish());
    }
-        });
+
+    // A MAGIA ACONTECE AQUI: Atualiza os dados sempre que o ecrã aparece!
+    @Override
+    protected void onResume() {
+        super.onResume();
+
+        SharedPreferences prefs = getSharedPreferences("MeusDadosApp", MODE_PRIVATE);
+
+        String nome = prefs.getString("nome", "Utilizador");
+        int pontos = prefs.getInt("pontos", 0);
+        int desafios = prefs.getInt("desafios_concluidos", 0);
+        int streak = prefs.getInt("sequencia_diaria", 1);
+
+        tvPerfilNome.setText(nome);
+        tvPerfilPontos.setText(String.valueOf(pontos));
+        tvPerfilDesafios.setText(String.valueOf(desafios));
+        tvPerfilSequencia.setText(String.valueOf(streak));
    }
 }
--- a/app/src/main/java/com/example/pap/RegisterActivity.java
+++ b/app/src/main/java/com/example/pap/RegisterActivity.java
@@ -1,8 +1,9 @@
 package com.example.pap;

 import android.content.Intent;
+import android.content.SharedPreferences;
 import android.os.Bundle;
-import android.view.View;
+import android.util.Log;
 import android.widget.Button;
 import android.widget.EditText;
 import android.widget.TextView;
@@ -12,22 +13,19 @@ import androidx.appcompat.app.AppCompatActivity;
 import retrofit2.Call;
 import retrofit2.Callback;
 import retrofit2.Response;
-import retrofit2.Retrofit;
-import retrofit2.converter.gson.GsonConverterFactory;

 public class RegisterActivity extends AppCompatActivity {

    private EditText etRegNome, etRegEmail, etRegPassword, etRegAltura, etRegPeso;
    private Button btnRegister;
    private TextView tvGoToLogin;
-    private SupabaseApi api;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_register);

-        // 1. Ligar os elementos do design ao código
+        // Ligar o código aos IDs do ecrã
        etRegNome = findViewById(R.id.etRegNome);
        etRegEmail = findViewById(R.id.etRegEmail);
        etRegPassword = findViewById(R.id.etRegPassword);
@@ -36,99 +34,63 @@ public class RegisterActivity extends AppCompatActivity {
        btnRegister = findViewById(R.id.btnRegister);
        tvGoToLogin = findViewById(R.id.tvGoToLogin);

-        // 2. Configurar o Retrofit (A ponte de comunicação com o Supabase)
-        Retrofit retrofit = new Retrofit.Builder()
-                .baseUrl(SupabaseConfig.URL)
-                .addConverterFactory(GsonConverterFactory.create())
-                .build();
-        api = retrofit.create(SupabaseApi.class);
-
-        // 3. Configurar os cliques dos botões
-        btnRegister.setOnClickListener(v -> efetuarRegisto());
+        // Se o utilizador já tem conta, volta para o Login
        tvGoToLogin.setOnClickListener(v -> finish());
-    }

-    private void efetuarRegisto() {
+        // Quando clica no botão de Registar
+        btnRegister.setOnClickListener(v -> {
            String nome = etRegNome.getText().toString().trim();
            String email = etRegEmail.getText().toString().trim();
            String password = etRegPassword.getText().toString().trim();
-        String pesoStr = etRegPeso.getText().toString().trim();
            String alturaStr = etRegAltura.getText().toString().trim();
+            String pesoStr = etRegPeso.getText().toString().trim();

-        // Verificações para garantir que o utilizador preencheu tudo
-        if (nome.isEmpty() || email.isEmpty() || password.isEmpty() || pesoStr.isEmpty() || alturaStr.isEmpty()) {
-            Toast.makeText(this, "Preencha todos os campos!", Toast.LENGTH_SHORT).show();
+            // 1. Verificar se não há campos vazios
+            if (nome.isEmpty() || email.isEmpty() || password.isEmpty() || alturaStr.isEmpty() || pesoStr.isEmpty()) {
+                Toast.makeText(this, "Por favor, preenche todos os campos!", Toast.LENGTH_SHORT).show();
                return;
            }

-        if (password.length() < 6) {
-            Toast.makeText(this, "A password precisa de pelo menos 6 caracteres.", Toast.LENGTH_SHORT).show();
-            return;
-        }
+            // 2. GUARDAR NOME, ALTURA E PESO NA MEMÓRIA (SharedPreferences)
+            SharedPreferences prefs = getSharedPreferences("MeusDadosApp", MODE_PRIVATE);
+            SharedPreferences.Editor editor = prefs.edit();
+            editor.putString("nome", nome);
+            editor.putString("email", email);
+            editor.putFloat("altura", Float.parseFloat(alturaStr));
+            editor.putFloat("peso", Float.parseFloat(pesoStr));
+            editor.apply();

-        float peso = Float.parseFloat(pesoStr);
-        float altura = Float.parseFloat(alturaStr);
-
-        // FASE 1: Criar a conta (Email e Password) no Supabase Auth
+            // 3. Preparar os dados para enviar para o Supabase
            UserCredentials credentials = new UserCredentials(email, password);

-        api.signUp(SupabaseConfig.API_KEY, credentials).enqueue(new Callback<SupabaseResponse>() {
+            // Vai buscar o Retrofit ao ficheiro SupabaseConfig
+            SupabaseApi api = SupabaseConfig.getRetrofit().create(SupabaseApi.class);
+
+            // 4. Fazer o Registo na Internet usando a chave configurada
+            api.signUp(SupabaseConfig.SUPABASE_KEY, credentials).enqueue(new Callback<SupabaseResponse>() {
                @Override
                public void onResponse(Call<SupabaseResponse> call, Response<SupabaseResponse> response) {
-                if (response.isSuccessful() && response.body() != null) {
+                    if (response.isSuccessful()) {
+                        Toast.makeText(RegisterActivity.this, "Conta criada! Verifica o teu email.", Toast.LENGTH_LONG).show();

-                    // Sucesso! A conta foi criada. Vamos extrair o ID e o Token
-                    String userId = response.body().id != null ? response.body().id : response.body().user.id;
-                    String token = "Bearer " + response.body().access_token;
-
-                    // FASE 2: Guardar o Nome, Peso e Altura na tabela "profiles"
-                    salvarPerfil(userId, nome, email, peso, altura, token);
+                        // NOVO FLUXO: Mandar para o ecrã de espera com os dados passados em segurança!
+                        Intent intent = new Intent(RegisterActivity.this, VerificacaoActivity.class);
+                        intent.putExtra("email_registo", email);
+                        intent.putExtra("password_registo", password);
+                        startActivity(intent);
+                        finish();

                    } else {
-                    String urlQueFalhou = response.raw().request().url().toString();
-                    if (response.code() == 400) {
-                        Toast.makeText(RegisterActivity.this, "Erro 400: Este email já existe ou a password é fraca.", Toast.LENGTH_LONG).show();
-                    } else {
-                        Toast.makeText(RegisterActivity.this, "Erro " + response.code() + " no Auth! Link: " + urlQueFalhou, Toast.LENGTH_LONG).show();
-                    }
+                        Toast.makeText(RegisterActivity.this, "Erro ao criar conta. O email já existe?", Toast.LENGTH_LONG).show();
                    }
                }

                @Override
                public void onFailure(Call<SupabaseResponse> call, Throwable t) {
-                Toast.makeText(RegisterActivity.this, "Falha de rede (Sem internet?): " + t.getMessage(), Toast.LENGTH_SHORT).show();
+                    // Sem internet ou falha de ligação
+                    Toast.makeText(RegisterActivity.this, "Falha na ligação! Verifica a tua internet.", Toast.LENGTH_LONG).show();
                }
            });
-    }
-
-    // Método responsável por guardar os dados extras na tabela profiles
-    private void salvarPerfil(String id, String nome, String email, float peso, float altura, String token) {
-        ProfileData profile = new ProfileData(id, nome, email, peso, altura);
-
-        api.insertProfile(SupabaseConfig.API_KEY, token, "application/json", "return=minimal", profile)
-                .enqueue(new Callback<Void>() {
-                    @Override
-                    public void onResponse(Call<Void> call, Response<Void> response) {
-                        if (response.isSuccessful()) {
-                            // TUDO CORREU BEM!
-                            Toast.makeText(RegisterActivity.this, "Conta e Perfil criados com sucesso!", Toast.LENGTH_LONG).show();
-                            finish(); // Volta para o ecrã de login
-                        } else {
-                            // DEU ERRO A GUARDAR O PESO E ALTURA. VAMOS LER O ERRO EXATO!
-                            try {
-                                String erroExato = response.errorBody().string();
-                                // Esta mensagem vai mostrar-te o que está mal configurado no painel do Supabase
-                                Toast.makeText(RegisterActivity.this, "ERRO DA BASE DE DADOS: " + erroExato, Toast.LENGTH_LONG).show();
-                            } catch (Exception e) {
-                                Toast.makeText(RegisterActivity.this, "Erro a ler a resposta da base de dados.", Toast.LENGTH_SHORT).show();
-                            }
-                        }
-                    }
-
-                    @Override
-                    public void onFailure(Call<Void> call, Throwable t) {
-                        Toast.makeText(RegisterActivity.this, "Erro ao conectar à base de dados.", Toast.LENGTH_SHORT).show();
-                    }
        });
    }
 }
--- a/app/src/main/java/com/example/pap/SupabaseApi.java
+++ b/app/src/main/java/com/example/pap/SupabaseApi.java
@@ -3,30 +3,29 @@ package com.example.pap;
 import retrofit2.Call;
 import retrofit2.http.Body;
 import retrofit2.http.Header;
+import retrofit2.http.PUT;
 import retrofit2.http.POST;

 public interface SupabaseApi {

-    // Rota para criar a conta
+    // 1. Rota para criar a conta
    @POST("auth/v1/signup")
    Call<SupabaseResponse> signUp(@Header("apikey") String apiKey, @Body UserCredentials credentials);

-    // Rota para fazer login
+    // 2. Rota para fazer login
    @POST("auth/v1/token?grant_type=password")
    Call<SupabaseResponse> login(@Header("apikey") String apiKey, @Body UserCredentials credentials);

-    // Rota para guardar o Nome, Peso e Altura na base de dados
-    @POST("rest/v1/profiles")
-    Call<Void> insertProfile(
-            @Header("apikey") String apiKey,
-            @Header("Authorization") String token,
-            @Header("Content-Type") String contentType,
-            @Header("Prefer") String prefer,
-            @Body ProfileData profile
+    // 3. Rota para atualizar a palavra-passe ou dados do utilizador (CORRIGIDO PARA @PUT)
+    @PUT("auth/v1/user")
+    Call<Void> updateUserData(
+            @Header("apikey") String apikey,
+            @Header("Authorization") String accessToken,
+            @Body java.util.Map<String, String> updates
    );
 }

-// ---- Classes Auxiliares para Formatarem os Dados ----
+// ---- Classes Auxiliares ----

 class UserCredentials {
    String email;
@@ -38,28 +37,6 @@ class UserCredentials {
    }
 }

-class ProfileData {
-    String id;
-    String nome;
-    String email;
-    float peso;
-    float altura;
-
-    public ProfileData(String id, String nome, String email, float peso, float altura) {
-        this.id = id;
-        this.nome = nome;
-        this.email = email;
-        this.peso = peso;
-        this.altura = altura;
-    }
-}
-
 class SupabaseResponse {
-    String id;
-    String access_token;
-    UserResponse user;
-
-    class UserResponse {
-        String id;
-    }
+    public String access_token;
 }
--- a/app/src/main/java/com/example/pap/SupabaseConfig.java
+++ b/app/src/main/java/com/example/pap/SupabaseConfig.java
@@ -1,10 +1,31 @@
 package com.example.pap;

+import retrofit2.Retrofit;
+import retrofit2.converter.gson.GsonConverterFactory;
+
 public class SupabaseConfig {

-    // O URL limpo, apenas com a barra no final!
-    public static final String URL = "https://lkjbbbgavoyknuxaskho.supabase.co";
+    // =========================================================================
+    // CONFIGURAÇÃO DO NOVO PROJETO (SUBSTITUI PELOS TEUS DADOS DO SUPABASE)
+    // =========================================================================

-    // A tua chave está perfeita
-    public static final String API_KEY = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZSIsInJlZiI6ImxramJiYmdhdm95a251eGFza2hvIiwicm9sZSI6ImFub24iLCJpYXQiOjE3NzI2MjM4OTMsImV4cCI6MjA4ODE5OTg5M30.HV9ZXYCaF1V8dZwPxv_p5_gDi9cN_ioumDm9mgmEQPU";
+    // 1. O teu Project URL (Ex: https://xyzabc.supabase.co/)
+    public static final String BASE_URL = "https://zfwfimmptccyzxvscbrg.supabase.co/";
+    // 2. A tua API Key (A que diz 'anon' e 'public')
+    public static final String SUPABASE_KEY = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZSIsInJlZiI6Inpmd2ZpbW1wdGNjeXp4dnNjYnJnIiwicm9sZSI6ImFub24iLCJpYXQiOjE3NzcyODQ5MDMsImV4cCI6MjA5Mjg2MDkwM30.aE_JSy6OGx3aPfzraCCQ_CtQeA8qFSBGhgkaGBJDHos";
+
+    // =========================================================================
+
+    private static Retrofit retrofit = null;
+
+    // Método que cria e entrega a ligação configurada para o resto da App
+    public static Retrofit getRetrofit() {
+        if (retrofit == null) {
+            retrofit = new Retrofit.Builder()
+                    .baseUrl(BASE_URL)
+                    .addConverterFactory(GsonConverterFactory.create()) // Transforma JSON em código Java
+                    .build();
+        }
+        return retrofit;
+    }
 }
--- a/app/src/main/java/com/example/pap/VerificacaoActivity.java
+++ b/app/src/main/java/com/example/pap/VerificacaoActivity.java
@@ -0,0 +1,75 @@
+package com.example.pap;
+
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.widget.Button;
+import android.widget.Toast;
+import androidx.appcompat.app.AppCompatActivity;
+
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+
+public class VerificacaoActivity extends AppCompatActivity {
+
+    private Button btnJaConfirmei, btnVoltarLoginVerificacao;
+    private String emailGuardado, passwordGuardada;
+    private SharedPreferences sharedPreferences;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_verificacao);
+
+        btnJaConfirmei = findViewById(R.id.btnJaConfirmei);
+        btnVoltarLoginVerificacao = findViewById(R.id.btnVoltarLoginVerificacao);
+        sharedPreferences = getSharedPreferences("MeusDadosApp", MODE_PRIVATE);
+
+        // Receber o email e a password do ecrã de Registo
+        emailGuardado = getIntent().getStringExtra("email_registo");
+        passwordGuardada = getIntent().getStringExtra("password_registo");
+
+        btnJaConfirmei.setOnClickListener(v -> {
+            Toast.makeText(this, "A verificar...", Toast.LENGTH_SHORT).show();
+            tentarFazerLogin();
+        });
+
+        btnVoltarLoginVerificacao.setOnClickListener(v -> {
+            startActivity(new Intent(VerificacaoActivity.this, LoginActivity.class));
+            finish();
+        });
+    }
+
+    private void tentarFazerLogin() {
+        SupabaseApi api = SupabaseConfig.getRetrofit().create(SupabaseApi.class);
+        UserCredentials creds = new UserCredentials(emailGuardado, passwordGuardada);
+
+        api.login(SupabaseConfig.SUPABASE_KEY, creds).enqueue(new Callback<SupabaseResponse>() {
+            @Override
+            public void onResponse(Call<SupabaseResponse> call, Response<SupabaseResponse> response) {
+                if (response.isSuccessful() && response.body() != null) {
+                    // SUCESSO! O email foi confirmado e o login funcionou
+                    String token = response.body().access_token;
+
+                    SharedPreferences.Editor editor = sharedPreferences.edit();
+                    editor.putString("access_token", token);
+                    editor.putString("email", emailGuardado);
+                    editor.apply();
+
+                    Toast.makeText(VerificacaoActivity.this, "Email confirmado com sucesso! Bem-vindo!", Toast.LENGTH_LONG).show();
+                    startActivity(new Intent(VerificacaoActivity.this, HomeActivity.class));
+                    finish();
+                } else {
+                    // ERRO! Provavelmente o gajo ainda não clicou no link do email
+                    Toast.makeText(VerificacaoActivity.this, "Ainda não confirmaste! Vai ao teu email e clica no link.", Toast.LENGTH_LONG).show();
+                }
+            }
+
+            @Override
+            public void onFailure(Call<SupabaseResponse> call, Throwable t) {
+                Toast.makeText(VerificacaoActivity.this, "Sem ligação à internet!", Toast.LENGTH_SHORT).show();
+            }
+        });
+    }
+}
--- a/app/src/main/res/drawable/balao_ai.xml
+++ b/app/src/main/res/drawable/balao_ai.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="#FFFFFF" />
+    <stroke android:width="1dp" android:color="#E2E8F0"/>
+    <corners android:topLeftRadius="20dp" android:topRightRadius="20dp" android:bottomLeftRadius="4dp" android:bottomRightRadius="20dp" />
+</shape>
--- a/app/src/main/res/drawable/balao_user.xml
+++ b/app/src/main/res/drawable/balao_user.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="#0284C7" />
+    <corners android:topLeftRadius="20dp" android:topRightRadius="20dp" android:bottomLeftRadius="20dp" android:bottomRightRadius="4dp" />
+</shape>
--- a/app/src/main/res/drawable/fundo_input_ingredientes.xml
+++ b/app/src/main/res/drawable/fundo_input_ingredientes.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+
+    <solid android:color="#F8FAFC" />
+
+    <stroke android:width="1dp" android:color="#CBD5E1" />
+
+    <corners android:radius="12dp" />
+
+</shape>
--- a/app/src/main/res/drawable/ic_online_dot.xml
+++ b/app/src/main/res/drawable/ic_online_dot.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="oval">
+    <solid android:color="#4CAF50" />
+    <size android:width="12dp" android:height="12dp" />
+</shape>
--- a/app/src/main/res/drawable/retangulo_mira.xml
+++ b/app/src/main/res/drawable/retangulo_mira.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <solid android:color="@android:color/transparent" />
+    <stroke
+        android:width="4dp"
+        android:color="#03A9F4" />
+    <corners android:radius="24dp" />
+</shape>
--- a/app/src/main/res/layout/activity_chat.xml
+++ b/app/src/main/res/layout/activity_chat.xml
@@ -1,83 +1,148 @@
 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
-    android:background="#F4F9F5">
-
-    <LinearLayout
+    android:background="#F8FAFC"> <androidx.cardview.widget.CardView
    android:id="@+id/headerChat"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
-        android:background="#FFFFFF"
-        android:elevation="4dp"
-        android:orientation="horizontal"
-        android:padding="16dp"
-        android:gravity="center_vertical">
+    app:cardElevation="8dp"
+    app:cardCornerRadius="0dp"
+    app:cardBackgroundColor="#FFFFFF">

-        <Button
-            android:id="@+id/btnVoltarChat"
-            android:layout_width="wrap_content"
+    <LinearLayout
+        android:layout_width="match_parent"
        android:layout_height="wrap_content"
-            android:text="Voltar"
-            android:backgroundTint="#E0E0E0"
-            android:textColor="#000000"
-            android:layout_marginEnd="16dp"/>
+        android:gravity="center_vertical"
+        android:padding="16dp"
+        android:orientation="horizontal">
+
+        <androidx.cardview.widget.CardView
+            android:layout_width="45dp"
+            android:layout_height="45dp"
+            app:cardCornerRadius="22.5dp"
+            app:cardBackgroundColor="#E0F2FE"
+            app:cardElevation="0dp"
+            android:layout_marginEnd="12dp">
+            <TextView
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:text="🤖"
+                android:textSize="26sp"
+                android:gravity="center"/>
+        </androidx.cardview.widget.CardView>
+
+        <LinearLayout
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:orientation="vertical">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
-            android:text="IA Coach de Saúde"
-            android:textSize="20sp"
+                android:text="NutriChat AI"
+                android:textSize="18sp"
                android:textStyle="bold"
-            android:textColor="#2E3D32"/>
+                android:textColor="#0F172A"/>
+
+            <LinearLayout
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:orientation="horizontal"
+                android:gravity="center_vertical"
+                android:layout_marginTop="2dp">
+
+                <View
+                    android:layout_width="8dp"
+                    android:layout_height="8dp"
+                    android:background="@drawable/ic_online_dot"
+                    android:layout_marginEnd="6dp"/>
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="Sempre online"
+                    android:textSize="13sp"
+                    android:textColor="#64748B"/>
            </LinearLayout>
+        </LinearLayout>
+    </LinearLayout>
+</androidx.cardview.widget.CardView>

    <ScrollView
        android:id="@+id/chatScrollView"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
+        android:layout_above="@+id/inputArea"
        android:layout_below="@id/headerChat"
-        android:layout_above="@+id/layoutInput"
-        android:padding="16dp"
-        android:fillViewport="true">
+        android:paddingHorizontal="16dp"
+        android:paddingTop="16dp"
+        android:paddingBottom="8dp"
+        android:clipToPadding="false">

        <LinearLayout
            android:id="@+id/chatLayout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
-            android:orientation="vertical"
-            android:paddingBottom="16dp"/>
+            android:orientation="vertical" />
    </ScrollView>

    <LinearLayout
-        android:id="@+id/layoutInput"
+        android:id="@+id/inputArea"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
-        android:background="#FFFFFF"
-        android:elevation="8dp"
+        android:paddingHorizontal="12dp"
+        android:paddingVertical="12dp"
+        android:background="#00000000"
        android:orientation="horizontal"
-        android:padding="8dp"
        android:gravity="center_vertical">

-        <EditText
-            android:id="@+id/etNovaMensagem"
+        <androidx.cardview.widget.CardView
            android:layout_width="0dp"
-            android:layout_height="50dp"
+            android:layout_height="wrap_content"
            android:layout_weight="1"
-            android:background="#F0F0F0"
-            android:hint="Pede uma dica de saúde..."
-            android:paddingStart="16dp"
-            android:paddingEnd="16dp"
-            android:layout_marginEnd="8dp"/>
+            app:cardCornerRadius="24dp"
+            app:cardElevation="2dp"
+            app:cardBackgroundColor="#FFFFFF"
+            android:layout_marginEnd="8dp">
+
+            <EditText
+                android:id="@+id/etMensagem"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:minHeight="48dp"
+                android:maxLines="4"
+                android:inputType="textMultiLine"
+                android:background="@android:color/transparent"
+                android:hint="Escreve a tua mensagem..."
+                android:textColorHint="#94A3B8"
+                android:textColor="#1E293B"
+                android:paddingStart="20dp"
+                android:paddingEnd="20dp"
+                android:paddingTop="12dp"
+                android:paddingBottom="12dp"
+                android:textSize="16sp" />
+        </androidx.cardview.widget.CardView>
+
+        <androidx.cardview.widget.CardView
+            android:layout_width="48dp"
+            android:layout_height="48dp"
+            app:cardCornerRadius="24dp"
+            app:cardElevation="4dp"
+            app:cardBackgroundColor="#0284C7">
+
+            <ImageButton
+                android:id="@+id/btnEnviar"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:background="@android:color/transparent"
+                android:src="@android:drawable/ic_menu_send"
+                android:paddingStart="4dp"
+                app:tint="#FFFFFF" />
+        </androidx.cardview.widget.CardView>

-        <Button
-            android:id="@+id/btnEnviarMensagem"
-            android:layout_width="wrap_content"
-            android:layout_height="50dp"
-            android:backgroundTint="#4CAF50"
-            android:text="Enviar"
-            android:textStyle="bold"/>
    </LinearLayout>

 </RelativeLayout>
--- a/app/src/main/res/layout/activity_definicoes.xml
+++ b/app/src/main/res/layout/activity_definicoes.xml
@@ -0,0 +1,125 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:background="#F8FAFC">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:padding="20dp"
+        android:background="#FFFFFF"
+        android:elevation="4dp">
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Definições"
+            android:textSize="22sp"
+            android:textStyle="bold"
+            android:textColor="#0F172A"/>
+    </LinearLayout>
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:padding="16dp">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="APARÊNCIA"
+                android:textSize="12sp"
+                android:textStyle="bold"
+                android:textColor="#64748B"
+                android:layout_marginBottom="8dp"
+                android:layout_marginStart="8dp"/>
+
+            <androidx.cardview.widget.CardView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                app:cardCornerRadius="12dp"
+                android:layout_marginBottom="24dp">
+                <LinearLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:padding="16dp"
+                    android:gravity="center_vertical">
+                    <TextView
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_weight="1"
+                        android:text="Modo Escuro"
+                        android:textSize="16sp"
+                        android:textColor="#0F172A"/>
+                    <androidx.appcompat.widget.SwitchCompat
+                        android:id="@+id/switchDarkMode"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content" />
+                </LinearLayout>
+            </androidx.cardview.widget.CardView>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="CONTA E SEGURANÇA"
+                android:textSize="12sp"
+                android:textStyle="bold"
+                android:textColor="#64748B"
+                android:layout_marginBottom="8dp"
+                android:layout_marginStart="8dp"/>
+
+            <Button
+                android:id="@+id/btnEditarNome"
+                android:layout_width="match_parent"
+                android:layout_height="55dp"
+                android:text="Mudar Nome"
+                android:backgroundTint="#FFFFFF"
+                android:textColor="#0F172A"
+                android:layout_marginBottom="8dp"
+                app:cornerRadius="12dp"
+                android:gravity="start|center_vertical"
+                android:paddingStart="16dp"/>
+
+            <Button
+                android:id="@+id/btnMudarEmail"
+                android:layout_width="match_parent"
+                android:layout_height="55dp"
+                android:text="Alterar Email"
+                android:backgroundTint="#FFFFFF"
+                android:textColor="#0F172A"
+                android:layout_marginBottom="8dp"
+                app:cornerRadius="12dp"
+                android:gravity="start|center_vertical"
+                android:paddingStart="16dp"/>
+
+            <Button
+                android:id="@+id/btnMudarPass"
+                android:layout_width="match_parent"
+                android:layout_height="55dp"
+                android:text="Alterar Palavra-Passe"
+                android:backgroundTint="#FFFFFF"
+                android:textColor="#0F172A"
+                android:layout_marginBottom="24dp"
+                app:cornerRadius="12dp"
+                android:gravity="start|center_vertical"
+                android:paddingStart="16dp"/>
+
+            <Button
+                android:id="@+id/btnVoltarDef"
+                android:layout_width="match_parent"
+                android:layout_height="55dp"
+                android:text="Voltar"
+                android:backgroundTint="#E2E8F0"
+                android:textColor="#0F172A"
+                app:cornerRadius="12dp"/>
+
+        </LinearLayout>
+    </ScrollView>
+</LinearLayout>
--- a/app/src/main/res/layout/activity_desafios.xml
+++ b/app/src/main/res/layout/activity_desafios.xml
@@ -1,149 +1,156 @@
 <?xml version="1.0" encoding="utf-8"?>
-<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
-    android:background="#F4F9F5"
-    android:fillViewport="true">
+    android:orientation="vertical"
+    android:background="#F1F5F9">
+
+    <androidx.cardview.widget.CardView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:cardElevation="4dp"
+        app:cardCornerRadius="0dp"
+        app:cardBackgroundColor="#03A9F4">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            android:padding="24dp"
-        android:gravity="top">
-
-        <TextView
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:text="Desafios"
-            android:textSize="24sp"
-            android:textStyle="bold"
-            android:textColor="#2E3D32"
-            android:gravity="center"
-            android:layout_marginTop="8dp"
-            android:layout_marginBottom="16dp"/>
-
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:orientation="horizontal"
-            android:background="#FFFFFF"
-            android:elevation="4dp"
-            android:padding="16dp"
-            android:gravity="center"
-            android:layout_marginBottom="24dp">
+            android:gravity="center">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
-                android:text="🏋️"
-                android:textSize="32sp"
-                android:layout_marginEnd="16dp"/>
-
-            <TextView
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:text="Pontos:"
-                android:textSize="20sp"
-                android:textStyle="bold"
-                android:textColor="#757575"
-                android:layout_marginEnd="8dp"/>
+                android:text="Os Teus Pontos"
+                android:textColor="#E0F2FE"
+                android:textSize="14sp"
+                android:textStyle="bold"/>

            <TextView
                android:id="@+id/tvPontos"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="0"
-                android:textSize="24sp"
-                android:textStyle="bold"
-                android:textColor="#4CAF50"/>
+                android:textColor="#FFFFFF"
+                android:textSize="48sp"
+                android:textStyle="bold"/>
        </LinearLayout>
+    </androidx.cardview.widget.CardView>
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1"
+        android:padding="16dp">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="Desafios Diários"
+                android:textSize="20sp"
+                android:textStyle="bold"
+                android:textColor="#1E293B"
+                android:layout_marginBottom="16dp"/>
+
+            <androidx.cardview.widget.CardView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                app:cardCornerRadius="16dp"
+                android:layout_marginBottom="16dp"
+                app:cardElevation="2dp">

                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:orientation="vertical"
-            android:background="#FFFFFF"
-            android:elevation="2dp"
-            android:padding="16dp"
-            android:layout_marginBottom="16dp">
+                    android:padding="16dp">

                    <TextView
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
-                android:text="1. Fazer 10 Flexões (+20 pts)"
-                android:textSize="18sp"
+                        android:text="Desafio: 20 Flexões"
                        android:textStyle="bold"
-                android:textColor="#2E3D32"/>
+                        android:textSize="16sp"
+                        android:textColor="#0F172A"/>

                    <TextView
                        android:id="@+id/tvStatusDesafio1"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
-                android:text="Estado: Pendente"
-                android:textColor="#FF9800"
-                android:layout_marginTop="4dp"
-                android:layout_marginBottom="8dp"/>
+                        android:text="Pendente"
+                        android:textColor="#64748B"
+                        android:textSize="14sp"
+                        android:layout_marginTop="4dp"/>

                    <Button
                        android:id="@+id/btnVideoDesafio1"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
-                android:text="Gravar Vídeo"
-                android:backgroundTint="#2196F3"
-                android:drawableStart="@android:drawable/ic_menu_camera"
-                android:paddingStart="16dp"/>
+                        android:text="Gravar Vídeo Prova"
+                        android:layout_marginTop="12dp"
+                        android:backgroundTint="#03A9F4"
+                        app:cornerRadius="8dp"/>
                </LinearLayout>
+            </androidx.cardview.widget.CardView>
+
+            <androidx.cardview.widget.CardView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                app:cardCornerRadius="16dp"
+                android:layout_marginBottom="16dp"
+                app:cardElevation="2dp">

                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:orientation="vertical"
-            android:background="#FFFFFF"
-            android:elevation="2dp"
-            android:padding="16dp"
-            android:layout_marginBottom="16dp">
+                    android:padding="16dp">

                    <TextView
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
-                android:text="2. Prancha de 30 Segundos (+30 pts)"
-                android:textSize="18sp"
+                        android:text="Desafio: 30 Agachamentos"
                        android:textStyle="bold"
-                android:textColor="#2E3D32"/>
+                        android:textSize="16sp"
+                        android:textColor="#0F172A"/>

                    <TextView
                        android:id="@+id/tvStatusDesafio2"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
-                android:text="Estado: Pendente"
-                android:textColor="#FF9800"
-                android:layout_marginTop="4dp"
-                android:layout_marginBottom="8dp"/>
+                        android:text="Pendente"
+                        android:textColor="#64748B"
+                        android:textSize="14sp"
+                        android:layout_marginTop="4dp"/>

                    <Button
                        android:id="@+id/btnVideoDesafio2"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
-                android:text="Gravar Vídeo"
-                android:backgroundTint="#2196F3"
-                android:drawableStart="@android:drawable/ic_menu_camera"
-                android:paddingStart="16dp"/>
+                        android:text="Gravar Vídeo Prova"
+                        android:layout_marginTop="12dp"
+                        android:backgroundTint="#03A9F4"
+                        app:cornerRadius="8dp"/>
                </LinearLayout>
+            </androidx.cardview.widget.CardView>

-        <View
-            android:layout_width="match_parent"
-            android:layout_height="0dp"
-            android:layout_weight="1"/>
+        </LinearLayout>
+    </ScrollView>

    <Button
        android:id="@+id/btnVoltarDesafios"
        android:layout_width="match_parent"
-            android:layout_height="60dp"
-            android:backgroundTint="#E0E0E0"
-            android:textColor="#000000"
+        android:layout_height="55dp"
+        android:layout_margin="16dp"
        android:text="Voltar ao Início"
-            android:layout_marginTop="16dp"/>
+        android:backgroundTint="#94A3B8"
+        app:cornerRadius="12dp"/>

-    </LinearLayout>
-</ScrollView>
+</LinearLayout>
--- a/app/src/main/res/layout/activity_editar_perfil.xml
+++ b/app/src/main/res/layout/activity_editar_perfil.xml
@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:background="#F8FAFA"
+    android:padding="24dp">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Editar Conta"
+        android:textSize="28sp"
+        android:textStyle="bold"
+        android:textColor="#111827"
+        android:layout_marginBottom="32dp"/>
+
+    <androidx.cardview.widget.CardView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="16dp"
+        app:cardCornerRadius="12dp"
+        app:cardElevation="2dp">
+        <EditText
+            android:id="@+id/etEditNome"
+            android:layout_width="match_parent"
+            android:layout_height="55dp"
+            android:background="@android:color/transparent"
+            android:hint="Novo Nome"
+            android:paddingStart="16dp"
+            android:paddingEnd="16dp"/>
+    </androidx.cardview.widget.CardView>
+
+    <androidx.cardview.widget.CardView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="16dp"
+        app:cardCornerRadius="12dp"
+        app:cardElevation="2dp">
+        <EditText
+            android:id="@+id/etEditEmail"
+            android:layout_width="match_parent"
+            android:layout_height="55dp"
+            android:background="@android:color/transparent"
+            android:hint="Novo Email"
+            android:paddingStart="16dp"
+            android:paddingEnd="16dp"/>
+    </androidx.cardview.widget.CardView>
+
+    <androidx.cardview.widget.CardView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="32dp"
+        app:cardCornerRadius="12dp"
+        app:cardElevation="2dp">
+        <EditText
+            android:id="@+id/etEditPassword"
+            android:layout_width="match_parent"
+            android:layout_height="55dp"
+            android:background="@android:color/transparent"
+            android:hint="Nova Password"
+            android:inputType="textPassword"
+            android:paddingStart="16dp"
+            android:paddingEnd="16dp"/>
+    </androidx.cardview.widget.CardView>
+
+    <Button
+        android:id="@+id/btnGuardarPerfil"
+        android:layout_width="match_parent"
+        android:layout_height="60dp"
+        android:text="Guardar Alterações"
+        android:textSize="18sp"
+        android:textStyle="bold"
+        android:backgroundTint="#03A9F4"
+        android:textColor="#FFFFFF"
+        app:cornerRadius="12dp"/>
+
+</LinearLayout>
--- a/app/src/main/res/layout/activity_estatisticas.xml
+++ b/app/src/main/res/layout/activity_estatisticas.xml
@@ -1,82 +1,145 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
-    android:padding="32dp"
-    android:gravity="top|center_horizontal">
+    android:background="#F8FAFC">
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Avaliação Física"
+        android:textSize="24sp"
+        android:textStyle="bold"
+        android:textColor="#1E293B"
+        android:padding="20dp"
+        android:background="#FFFFFF"
+        android:elevation="4dp"/>
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1"
+        android:padding="16dp">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+
+            <androidx.cardview.widget.CardView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                app:cardCornerRadius="16dp"
+                app:cardElevation="2dp"
+                android:layout_marginBottom="16dp">
+
+                <LinearLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:orientation="vertical"
+                    android:gravity="center"
+                    android:padding="24dp"
+                    android:background="#E0F2FE">

                    <TextView
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
-        android:text="O Teu Progresso"
-        android:textSize="28sp"
+                        android:text="O Teu IMC"
+                        android:textSize="14sp"
+                        android:textColor="#0284C7"
+                        android:textStyle="bold"/>
+
+                    <TextView
+                        android:id="@+id/tvImcEst"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="00.0"
+                        android:textSize="48sp"
                        android:textStyle="bold"
-        android:layout_marginBottom="32dp"/>
+                        android:textColor="#0369A1"
+                        android:layout_marginVertical="8dp"/>

                    <TextView
-        android:layout_width="match_parent"
+                        android:id="@+id/tvImcStatus"
+                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
-        android:text="Objetivo de Peso"
+                        android:text="A calcular..."
                        android:textSize="18sp"
-        android:textStyle="bold"/>
+                        android:textStyle="bold"
+                        android:textColor="#FFFFFF"
+                        android:background="#0284C7"
+                        android:paddingHorizontal="16dp"
+                        android:paddingVertical="6dp"/>
+                </LinearLayout>
+            </androidx.cardview.widget.CardView>

-    <TextView
-        android:id="@+id/tvPesoStatus"
+            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
-        android:text="Faltam 5 kg para a tua meta!"
-        android:layout_marginTop="8dp"/>
+                android:orientation="horizontal"
+                android:layout_marginBottom="16dp">

-    <ProgressBar
-        android:id="@+id/progressPeso"
-        style="?android:attr/progressBarStyleHorizontal"
-        android:layout_width="match_parent"
-        android:layout_height="24dp"
-        android:max="100"
-        android:progress="60"
-        android:layout_marginTop="8dp"
-        android:layout_marginBottom="24dp"/>
-
-    <TextView
+                <androidx.cardview.widget.CardView
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    app:cardCornerRadius="12dp"
+                    android:layout_marginEnd="8dp">
+                    <LinearLayout
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
-        android:text="Calorias Consumidas (Hoje)"
-        android:textSize="18sp"
-        android:textStyle="bold"/>
+                        android:orientation="vertical"
+                        android:padding="16dp"
+                        android:gravity="center">
+                        <TextView android:id="@+id/tvPesoEst" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="-- kg" android:textSize="22sp" android:textStyle="bold" android:textColor="#0F172A"/>
+                    </LinearLayout>
+                </androidx.cardview.widget.CardView>

-    <TextView
-        android:id="@+id/tvCalorias"
+                <androidx.cardview.widget.CardView
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    app:cardCornerRadius="12dp"
+                    android:layout_marginStart="8dp">
+                    <LinearLayout
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
-        android:text="1200 / 1800 kcal"
-        android:textSize="22sp"
-        android:textColor="#FF9800"
-        android:layout_marginTop="8dp"
-        android:layout_marginBottom="24dp"/>
+                        android:orientation="vertical"
+                        android:padding="16dp"
+                        android:gravity="center">
+                        <TextView android:id="@+id/tvAlturaEst" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="-- m" android:textSize="22sp" android:textStyle="bold" android:textColor="#0F172A"/>
+                    </LinearLayout>
+                </androidx.cardview.widget.CardView>
+            </LinearLayout>

-    <TextView
+            <androidx.cardview.widget.CardView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
-        android:text="Água Bebida"
-        android:textSize="18sp"
-        android:textStyle="bold"/>
-
-    <TextView
-        android:id="@+id/tvAgua"
+                app:cardCornerRadius="16dp"
+                android:layout_marginBottom="24dp">
+                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
-        android:text="1.5 L / 2.5 L"
-        android:textSize="22sp"
-        android:textColor="#03A9F4"
-        android:layout_marginTop="8dp"
-        android:layout_marginBottom="32dp"/>
+                    android:orientation="vertical"
+                    android:padding="16dp">
+                </LinearLayout>
+            </androidx.cardview.widget.CardView>
+
+        </LinearLayout>
+    </ScrollView>

    <Button
        android:id="@+id/btnVoltarHome"
        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
+        android:layout_height="60dp"
+        android:layout_margin="16dp"
        android:text="Voltar ao Início"
-        android:layout_marginTop="16dp"/>
+        android:textSize="16sp"
+        android:textStyle="bold"
+        android:backgroundTint="#94A3B8"
+        android:textColor="#FFFFFF"
+        app:cornerRadius="12dp"/>

 </LinearLayout>
--- a/app/src/main/res/layout/activity_foto.xml
+++ b/app/src/main/res/layout/activity_foto.xml
@@ -1,129 +1,106 @@
 <?xml version="1.0" encoding="utf-8"?>
-<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
-    android:background="#F4F9F5"
-    android:fillViewport="true">
+    android:orientation="vertical"
+    android:background="#F8FAFC">
+
+    <!-- Cabeçalho -->
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:padding="20dp"
+        android:background="#FFFFFF"
+        android:elevation="4dp"
+        android:orientation="horizontal"
+        android:gravity="center_vertical">
+
+        <TextView
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="Escanear Comida 📸"
+            android:textSize="22sp"
+            android:textStyle="bold"
+            android:textColor="#0F172A"/>
+    </LinearLayout>
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:padding="24dp">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
-        android:orientation="vertical"
-        android:padding="24dp"
-        android:gravity="center_horizontal">
-
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="Scanner
-"
-            android:textSize="24sp"
-            android:textStyle="bold"
-            android:textColor="#2E3D32"
-            android:layout_marginBottom="24dp"/>
+            android:orientation="vertical">

+            <!-- Caixa onde vai aparecer a foto -->
            <androidx.cardview.widget.CardView
                android:layout_width="match_parent"
                android:layout_height="250dp"
-            android:layout_marginBottom="24dp"
                app:cardCornerRadius="16dp"
-            app:cardElevation="4dp"
-            xmlns:app="http://schemas.android.com/apk/res-auto">
+                app:cardElevation="2dp"
+                android:layout_marginBottom="24dp">
+
                <ImageView
                    android:id="@+id/ivFotoComida"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:src="@android:drawable/ic_menu_camera"
                    android:scaleType="centerCrop"
-                android:background="#E0E0E0"/>
+                    android:background="#E2E8F0"
+                    android:padding="60dp" />
            </androidx.cardview.widget.CardView>

+            <!-- Botão para abrir a câmara do telemóvel -->
            <Button
-            android:id="@+id/btnTirarFotoComida"
+                android:id="@+id/btnTirarFoto"
                android:layout_width="match_parent"
                android:layout_height="60dp"
-            android:text="Tirar Foto e Analisar"
-            android:backgroundTint="#4CAF50"
+                android:text="Abrir Câmara"
+                android:textSize="16sp"
                android:textStyle="bold"
-            android:layout_marginBottom="24dp"/>
-
-        <LinearLayout
-            android:id="@+id/layoutResultadosIA"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:orientation="vertical"
-            android:visibility="gone"
-            android:background="#FFFFFF"
-            android:padding="16dp"
-            android:elevation="4dp">
-
-            <TextView
-                android:id="@+id/tvNomePratoDetectado"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:text="Prato detetado: Salada César"
-                android:textSize="18sp"
-                android:textStyle="bold"
-                android:textColor="#2E3D32"
-                android:layout_marginBottom="16dp"/>
-
-            <androidx.recyclerview.widget.RecyclerView
-                android:id="@+id/recyclerViewIngredientes"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_marginBottom="16dp"/>
-
-            <View
-                android:layout_width="match_parent"
-                android:layout_height="1dp"
-                android:background="#E0E0E0"
-                android:layout_marginBottom="16dp"/>
-
-            <LinearLayout
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:orientation="horizontal"
-                android:gravity="center_vertical">
-                <TextView
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:text="Total Estimado:"
-                    android:textSize="20sp"
-                    android:layout_weight="1"/>
-                <TextView
-                    android:id="@+id/tvTotalCalorias"
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:text="0 kcal"
-                    android:textSize="24sp"
-                    android:textStyle="bold"
-                    android:textColor="#4CAF50"/>
-            </LinearLayout>
+                android:backgroundTint="#0284C7"
+                app:cornerRadius="15dp"
+                android:layout_marginBottom="12dp"/>

+            <!-- Botão para analisar (só aparece depois de tirar a foto) -->
            <Button
-                android:id="@+id/btnAddIngredienteManual"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:text="+ Adicionar Ingrediente Extra"
-                android:backgroundTint="#2196F3"
-                android:layout_marginTop="16dp"/>
-
-            <Button
-                android:id="@+id/btnConfirmarRefeicao"
+                android:id="@+id/btnAnalisarIA"
                android:layout_width="match_parent"
                android:layout_height="60dp"
-                android:text="Confirmar Refeição"
-                android:backgroundTint="#FF9800"
+                android:text="Analisar com IA ✨"
+                android:textSize="16sp"
                android:textStyle="bold"
-                android:layout_marginTop="16dp"/>
-        </LinearLayout>
+                android:backgroundTint="#10B981"
+                app:cornerRadius="15dp"
+                android:layout_marginBottom="24dp"
+                android:visibility="gone"/>
+
+            <!-- Caixa onde vai aparecer o resultado da IA -->
+            <TextView
+                android:id="@+id/tvResultadoIA"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="Tira uma foto ao teu prato para a Inteligência Artificial calcular as calorias e os macronutrientes!"
+                android:textSize="16sp"
+                android:textColor="#64748B"
+                android:textAlignment="center"
+                android:background="@android:color/transparent"
+                android:padding="16dp"/>
+
            <Button
                android:id="@+id/btnVoltarFoto"
                android:layout_width="match_parent"
-            android:layout_height="60dp"
+                android:layout_height="50dp"
                android:text="Voltar"
-            android:backgroundTint="#E0E0E0"
-            android:textColor="#000000"
+                android:textColor="#0F172A"
+                android:backgroundTint="#E2E8F0"
+                app:cornerRadius="12dp"
                android:layout_marginTop="24dp"/>
+
        </LinearLayout>
-</ScrollView>
+    </ScrollView>
+</LinearLayout>
--- a/app/src/main/res/layout/activity_home.xml
+++ b/app/src/main/res/layout/activity_home.xml
@@ -3,7 +3,7 @@
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
-    android:background="#F8FAFA"
+    android:background="#F8FAFC"
    android:fillViewport="true">

    <LinearLayout
@@ -15,149 +15,21 @@
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
-            android:text="Meu Progresso"
-            android:textSize="28sp"
-            android:textStyle="bold"
-            android:textColor="#111827"
-            android:layout_marginTop="16dp"/>
-
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="Acompanhe sua jornada de emagrecimento"
+            android:text="A tua jornada começa aqui,"
            android:textSize="14sp"
-            android:textColor="#6B7280"
-            android:layout_marginTop="4dp"
+            android:textColor="#64748B"
+            android:layout_marginTop="8dp"/>
+
+        <TextView
+            android:id="@+id/tvSaudacaoHome"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Carregando..."
+            android:textSize="28sp"
+            android:textStyle="bold"
+            android:textColor="#0F172A"
            android:layout_marginBottom="32dp"/>

-        <androidx.cardview.widget.CardView
-            android:id="@+id/cardPerfil"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginBottom="16dp"
-            android:clickable="true"
-            android:focusable="true"
-            android:foreground="?android:attr/selectableItemBackground"
-            app:cardCornerRadius="16dp"
-            app:cardElevation="2dp"
-            app:contentPadding="16dp">
-
-            <LinearLayout
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:orientation="horizontal"
-                android:gravity="center_vertical">
-
-                <androidx.cardview.widget.CardView
-                    android:layout_width="48dp"
-                    android:layout_height="48dp"
-                    app:cardCornerRadius="12dp"
-                    app:cardBackgroundColor="#673AB7"
-                    app:cardElevation="0dp">
-                    <ImageView
-                        android:layout_width="24dp"
-                        android:layout_height="24dp"
-                        android:layout_gravity="center"
-                        android:src="@android:drawable/ic_menu_myplaces"
-                        app:tint="#FFFFFF"/>
-                </androidx.cardview.widget.CardView>
-
-                <LinearLayout
-                    android:layout_width="0dp"
-                    android:layout_height="wrap_content"
-                    android:layout_weight="1"
-                    android:orientation="vertical"
-                    android:layout_marginStart="16dp">
-                    <TextView
-                        android:layout_width="wrap_content"
-                        android:layout_height="wrap_content"
-                        android:text="O Meu Perfil"
-                        android:textSize="16sp"
-                        android:textStyle="bold"
-                        android:textColor="#111827"/>
-                    <TextView
-                        android:layout_width="wrap_content"
-                        android:layout_height="wrap_content"
-                        android:text="Vê e edita os teus dados pessoais"
-                        android:textSize="12sp"
-                        android:textColor="#6B7280"
-                        android:layout_marginTop="2dp"/>
-                </LinearLayout>
-
-                <TextView
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:text="›"
-                    android:textSize="28sp"
-                    android:textColor="#D1D5DB"
-                    android:layout_marginStart="8dp"/>
-            </LinearLayout>
-        </androidx.cardview.widget.CardView>
-
-        <androidx.cardview.widget.CardView
-            android:id="@+id/cardEstatisticas"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginBottom="16dp"
-            android:clickable="true"
-            android:focusable="true"
-            android:foreground="?android:attr/selectableItemBackground"
-            app:cardCornerRadius="16dp"
-            app:cardElevation="2dp"
-            app:contentPadding="16dp">
-
-            <LinearLayout
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:orientation="horizontal"
-                android:gravity="center_vertical">
-
-                <androidx.cardview.widget.CardView
-                    android:layout_width="48dp"
-                    android:layout_height="48dp"
-                    app:cardCornerRadius="12dp"
-                    app:cardBackgroundColor="#03A9F4"
-                    app:cardElevation="0dp">
-                    <ImageView
-                        android:layout_width="24dp"
-                        android:layout_height="24dp"
-                        android:layout_gravity="center"
-                        android:src="@android:drawable/ic_menu_sort_by_size"
-                        app:tint="#FFFFFF"/>
-                </androidx.cardview.widget.CardView>
-
-                <LinearLayout
-                    android:layout_width="0dp"
-                    android:layout_height="wrap_content"
-                    android:layout_weight="1"
-                    android:orientation="vertical"
-                    android:layout_marginStart="16dp">
-                    <TextView
-                        android:layout_width="wrap_content"
-                        android:layout_height="wrap_content"
-                        android:text="Estatísticas"
-                        android:textSize="16sp"
-                        android:textStyle="bold"
-                        android:textColor="#111827"/>
-                    <TextView
-                        android:layout_width="wrap_content"
-                        android:layout_height="wrap_content"
-                        android:text="Veja seus números e progresso"
-                        android:textSize="12sp"
-                        android:textColor="#6B7280"
-                        android:layout_marginTop="2dp"/>
-                </LinearLayout>
-
-                <TextView
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:text="›"
-                    android:textSize="28sp"
-                    android:textColor="#D1D5DB"
-                    android:layout_marginStart="8dp"/>
-            </LinearLayout>
-        </androidx.cardview.widget.CardView>
-
        <androidx.cardview.widget.CardView
            android:id="@+id/cardTirarFoto"
            android:layout_width="match_parent"
@@ -166,9 +38,10 @@
            android:clickable="true"
            android:focusable="true"
            android:foreground="?android:attr/selectableItemBackground"
-            app:cardCornerRadius="16dp"
-            app:cardElevation="2dp"
-            app:contentPadding="16dp">
+            app:cardCornerRadius="20dp"
+            app:cardElevation="6dp"
+            app:cardBackgroundColor="#0F172A"
+            app:contentPadding="20dp">

            <LinearLayout
                android:layout_width="match_parent"
@@ -177,14 +50,14 @@
                android:gravity="center_vertical">

                <androidx.cardview.widget.CardView
-                    android:layout_width="48dp"
-                    android:layout_height="48dp"
-                    app:cardCornerRadius="12dp"
-                    app:cardBackgroundColor="#E91E63"
+                    android:layout_width="56dp"
+                    android:layout_height="56dp"
+                    app:cardCornerRadius="16dp"
+                    app:cardBackgroundColor="#38BDF8"
                    app:cardElevation="0dp">
                    <ImageView
-                        android:layout_width="24dp"
-                        android:layout_height="24dp"
+                        android:layout_width="28dp"
+                        android:layout_height="28dp"
                        android:layout_gravity="center"
                        android:src="@android:drawable/ic_menu_camera"
                        app:tint="#FFFFFF"/>
@@ -199,16 +72,16 @@
                    <TextView
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
-                        android:text="Tirar foto"
-                        android:textSize="16sp"
+                        android:text="Escanear Comida"
+                        android:textSize="18sp"
                        android:textStyle="bold"
-                        android:textColor="#111827"/>
+                        android:textColor="#FFFFFF"/>
                    <TextView
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
-                        android:text="Acompanhe a sua dieta"
-                        android:textSize="12sp"
-                        android:textColor="#6B7280"
+                        android:text="A IA analisa a tua refeição"
+                        android:textSize="13sp"
+                        android:textColor="#94A3B8"
                        android:layout_marginTop="2dp"/>
                </LinearLayout>

@@ -216,8 +89,8 @@
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="›"
-                    android:textSize="28sp"
-                    android:textColor="#D1D5DB"
+                    android:textSize="32sp"
+                    android:textColor="#38BDF8"
                    android:layout_marginStart="8dp"/>
            </LinearLayout>
        </androidx.cardview.widget.CardView>
@@ -244,7 +117,7 @@
                    android:layout_width="48dp"
                    android:layout_height="48dp"
                    app:cardCornerRadius="12dp"
-                    app:cardBackgroundColor="#00BFA5"
+                    app:cardBackgroundColor="#10B981"
                    app:cardElevation="0dp">
                    <ImageView
                        android:layout_width="24dp"
@@ -260,29 +133,57 @@
                    android:layout_weight="1"
                    android:orientation="vertical"
                    android:layout_marginStart="16dp">
-                    <TextView
-                        android:layout_width="wrap_content"
-                        android:layout_height="wrap_content"
-                        android:text="Chat IA"
-                        android:textSize="16sp"
-                        android:textStyle="bold"
-                        android:textColor="#111827"/>
-                    <TextView
-                        android:layout_width="wrap_content"
-                        android:layout_height="wrap_content"
-                        android:text="Converse com seu assistente"
-                        android:textSize="12sp"
-                        android:textColor="#6B7280"
-                        android:layout_marginTop="2dp"/>
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="NutriChat AI" android:textSize="16sp" android:textStyle="bold" android:textColor="#0F172A"/>
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Fala com o teu assistente" android:textSize="12sp" android:textColor="#64748B" android:layout_marginTop="2dp"/>
                </LinearLayout>

-                <TextView
-                    android:layout_width="wrap_content"
+                <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="›" android:textSize="28sp" android:textColor="#CBD5E1" android:layout_marginStart="8dp"/>
+            </LinearLayout>
+        </androidx.cardview.widget.CardView>
+
+        <androidx.cardview.widget.CardView
+            android:id="@+id/cardEstatisticas"
+            android:layout_width="match_parent"
            android:layout_height="wrap_content"
-                    android:text="›"
-                    android:textSize="28sp"
-                    android:textColor="#D1D5DB"
-                    android:layout_marginStart="8dp"/>
+            android:layout_marginBottom="16dp"
+            android:clickable="true"
+            android:focusable="true"
+            android:foreground="?android:attr/selectableItemBackground"
+            app:cardCornerRadius="16dp"
+            app:cardElevation="2dp"
+            app:contentPadding="16dp">
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="horizontal"
+                android:gravity="center_vertical">
+
+                <androidx.cardview.widget.CardView
+                    android:layout_width="48dp"
+                    android:layout_height="48dp"
+                    app:cardCornerRadius="12dp"
+                    app:cardBackgroundColor="#0284C7"
+                    app:cardElevation="0dp">
+                    <ImageView
+                        android:layout_width="24dp"
+                        android:layout_height="24dp"
+                        android:layout_gravity="center"
+                        android:src="@android:drawable/ic_menu_sort_by_size"
+                        app:tint="#FFFFFF"/>
+                </androidx.cardview.widget.CardView>
+
+                <LinearLayout
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:orientation="vertical"
+                    android:layout_marginStart="16dp">
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Estatísticas" android:textSize="16sp" android:textStyle="bold" android:textColor="#0F172A"/>
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Vê os teus números e progresso" android:textSize="12sp" android:textColor="#64748B" android:layout_marginTop="2dp"/>
+                </LinearLayout>
+
+                <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="›" android:textSize="28sp" android:textColor="#CBD5E1" android:layout_marginStart="8dp"/>
            </LinearLayout>
        </androidx.cardview.widget.CardView>

@@ -308,7 +209,7 @@
                    android:layout_width="48dp"
                    android:layout_height="48dp"
                    app:cardCornerRadius="12dp"
-                    app:cardBackgroundColor="#FF5722"
+                    app:cardBackgroundColor="#F59E0B"
                    app:cardElevation="0dp">
                    <ImageView
                        android:layout_width="24dp"
@@ -324,34 +225,16 @@
                    android:layout_weight="1"
                    android:orientation="vertical"
                    android:layout_marginStart="16dp">
-                    <TextView
-                        android:layout_width="wrap_content"
-                        android:layout_height="wrap_content"
-                        android:text="Desafios"
-                        android:textSize="16sp"
-                        android:textStyle="bold"
-                        android:textColor="#111827"/>
-                    <TextView
-                        android:layout_width="wrap_content"
-                        android:layout_height="wrap_content"
-                        android:text="Complete missões e ganhe prêmios"
-                        android:textSize="12sp"
-                        android:textColor="#6B7280"
-                        android:layout_marginTop="2dp"/>
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Desafios Diários" android:textSize="16sp" android:textStyle="bold" android:textColor="#0F172A"/>
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Ganha pontos de recompensa" android:textSize="12sp" android:textColor="#64748B" android:layout_marginTop="2dp"/>
                </LinearLayout>

-                <TextView
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:text="›"
-                    android:textSize="28sp"
-                    android:textColor="#D1D5DB"
-                    android:layout_marginStart="8dp"/>
+                <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="›" android:textSize="28sp" android:textColor="#CBD5E1" android:layout_marginStart="8dp"/>
            </LinearLayout>
        </androidx.cardview.widget.CardView>

        <androidx.cardview.widget.CardView
-            android:id="@+id/cardDefinicoes"
+            android:id="@+id/cardPerfil"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginBottom="32dp"
@@ -372,13 +255,13 @@
                    android:layout_width="48dp"
                    android:layout_height="48dp"
                    app:cardCornerRadius="12dp"
-                    app:cardBackgroundColor="#37474F"
+                    app:cardBackgroundColor="#8B5CF6"
                    app:cardElevation="0dp">
                    <ImageView
                        android:layout_width="24dp"
                        android:layout_height="24dp"
                        android:layout_gravity="center"
-                        android:src="@android:drawable/ic_menu_preferences"
+                        android:src="@android:drawable/ic_menu_myplaces"
                        app:tint="#FFFFFF"/>
                </androidx.cardview.widget.CardView>

@@ -388,29 +271,11 @@
                    android:layout_weight="1"
                    android:orientation="vertical"
                    android:layout_marginStart="16dp">
-                    <TextView
-                        android:layout_width="wrap_content"
-                        android:layout_height="wrap_content"
-                        android:text="Definições"
-                        android:textSize="16sp"
-                        android:textStyle="bold"
-                        android:textColor="#111827"/>
-                    <TextView
-                        android:layout_width="wrap_content"
-                        android:layout_height="wrap_content"
-                        android:text="Personalize seu app"
-                        android:textSize="12sp"
-                        android:textColor="#6B7280"
-                        android:layout_marginTop="2dp"/>
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="O Meu Perfil" android:textSize="16sp" android:textStyle="bold" android:textColor="#0F172A"/>
+                    <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Dados, pontuação e definições" android:textSize="12sp" android:textColor="#64748B" android:layout_marginTop="2dp"/>
                </LinearLayout>

-                <TextView
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:text="›"
-                    android:textSize="28sp"
-                    android:textColor="#D1D5DB"
-                    android:layout_marginStart="8dp"/>
+                <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="›" android:textSize="28sp" android:textColor="#CBD5E1" android:layout_marginStart="8dp"/>
            </LinearLayout>
        </androidx.cardview.widget.CardView>

--- a/app/src/main/res/layout/activity_perfil.xml
+++ b/app/src/main/res/layout/activity_perfil.xml
@@ -1,80 +1,189 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
-    android:background="#F4F9F5"
    android:orientation="vertical"
-    android:padding="32dp"
-    android:gravity="center_horizontal">
+    android:background="#F8FAFC">

-    <ImageView
-        android:layout_width="120dp"
-        android:layout_height="120dp"
-        android:src="@android:drawable/ic_menu_myplaces"
-        android:background="#E8F5E9"
-        android:padding="24dp"
-        android:layout_marginTop="32dp"
-        android:layout_marginBottom="16dp"/>
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:padding="20dp"
+        android:background="#FFFFFF"
+        android:elevation="4dp">

        <TextView
-        android:id="@+id/tvNomePerfil"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
-        android:text="Nome do Utilizador"
-        android:textSize="24sp"
+            android:text="O Meu Perfil"
+            android:textSize="22sp"
            android:textStyle="bold"
-        android:textColor="#2E3D32"
-        android:layout_marginBottom="32dp"/>
+            android:textColor="#0F172A"/>
+    </LinearLayout>
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:padding="24dp">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical"
-        android:background="#FFFFFF"
-        android:elevation="2dp"
-        android:padding="24dp"
+            android:gravity="center_horizontal">
+
+            <androidx.cardview.widget.CardView
+                android:layout_width="120dp"
+                android:layout_height="120dp"
+                app:cardCornerRadius="60dp"
+                app:cardElevation="6dp"
+                android:layout_marginTop="10dp">
+                <ImageView
+                    android:id="@+id/ivFotoPerfil"
+                    android:layout_width="match_parent"
+                    android:layout_height="match_parent"
+                    android:src="@android:drawable/ic_menu_gallery"
+                    android:scaleType="centerCrop"
+                    android:background="#E2E8F0"/>
+            </androidx.cardview.widget.CardView>
+
+            <TextView
+                android:id="@+id/tvPerfilNome"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="Nome do Utilizador"
+                android:textSize="24sp"
+                android:textStyle="bold"
+                android:textColor="#0F172A"
+                android:layout_marginTop="16dp"
+                android:layout_marginBottom="32dp"/>
+
+            <androidx.cardview.widget.CardView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                app:cardCornerRadius="20dp"
+                app:cardElevation="2dp"
                android:layout_marginBottom="32dp">

-        <TextView
-            android:layout_width="wrap_content"
+                <LinearLayout
+                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
-            android:text="Email: utilizador@email.com"
-            android:textSize="16sp"
-            android:textColor="#757575"
-            android:layout_marginBottom="12dp"/>
+                    android:orientation="horizontal"
+                    android:padding="20dp"
+                    android:weightSum="3">

+                    <LinearLayout
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_weight="1"
+                        android:orientation="vertical"
+                        android:gravity="center">
                        <TextView
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
-            android:text="Altura: 175 cm"
-            android:textSize="16sp"
-            android:textColor="#757575"
-            android:layout_marginBottom="12dp"/>
-
+                            android:text="⭐"
+                            android:textSize="24sp"/>
+                        <TextView
+                            android:id="@+id/tvPerfilPontos"
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:text="0"
+                            android:textSize="20sp"
+                            android:textStyle="bold"
+                            android:textColor="#F59E0B"/>
                        <TextView
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
-            android:text="Peso Inicial: 80 kg"
-            android:textSize="16sp"
-            android:textColor="#757575"/>
+                            android:text="Pontos"
+                            android:textSize="12sp"
+                            android:textColor="#64748B"/>
                    </LinearLayout>

+                    <View android:layout_width="1dp" android:layout_height="match_parent" android:background="#E2E8F0"/>
+
+                    <LinearLayout
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_weight="1"
+                        android:orientation="vertical"
+                        android:gravity="center">
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:text="🏆"
+                            android:textSize="24sp"/>
+                        <TextView
+                            android:id="@+id/tvPerfilDesafios"
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:text="0"
+                            android:textSize="20sp"
+                            android:textStyle="bold"
+                            android:textColor="#10B981"/>
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:text="Desafios"
+                            android:textSize="12sp"
+                            android:textColor="#64748B"/>
+                    </LinearLayout>
+
+                    <View android:layout_width="1dp" android:layout_height="match_parent" android:background="#E2E8F0"/>
+
+                    <LinearLayout
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_weight="1"
+                        android:orientation="vertical"
+                        android:gravity="center">
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:text="🔥"
+                            android:textSize="24sp"/>
+                        <TextView
+                            android:id="@+id/tvPerfilSequencia"
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:text="1"
+                            android:textSize="20sp"
+                            android:textStyle="bold"
+                            android:textColor="#EF4444"/>
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:text="Sequência"
+                            android:textSize="12sp"
+                            android:textColor="#64748B"/>
+                    </LinearLayout>
+                </LinearLayout>
+            </androidx.cardview.widget.CardView>
+
            <Button
-        android:id="@+id/btnSair"
+                android:id="@+id/btnDefinicoes"
                android:layout_width="match_parent"
                android:layout_height="60dp"
-        android:backgroundTint="#F44336"
-        android:text="Terminar Sessão"
-        android:textColor="#FFFFFF"
+                android:text="Definições da Conta"
+                android:textAllCaps="false"
+                android:textSize="16sp"
                android:textStyle="bold"
-        android:layout_marginBottom="16dp"/>
+                android:backgroundTint="#0F172A"
+                app:cornerRadius="15dp"
+                android:layout_marginBottom="12dp"/>

            <Button
                android:id="@+id/btnVoltarPerfil"
                android:layout_width="match_parent"
                android:layout_height="60dp"
-        android:backgroundTint="#E0E0E0"
                android:text="Voltar"
-        android:textColor="#000000" />
+                android:textAllCaps="false"
+                android:textSize="16sp"
+                android:textColor="#0F172A"
+                android:backgroundTint="#E2E8F0"
+                app:cornerRadius="15dp"/>

+        </LinearLayout>
+    </ScrollView>
 </LinearLayout>
--- a/app/src/main/res/layout/activity_verificacao.xml
+++ b/app/src/main/res/layout/activity_verificacao.xml
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:gravity="center"
+    android:padding="32dp"
+    android:background="#F8FAFC">
+
+    <ImageView
+        android:layout_width="120dp"
+        android:layout_height="120dp"
+        android:src="@android:drawable/ic_dialog_email"
+        app:tint="#38BDF8"
+        android:layout_marginBottom="24dp"/>
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Verifica o teu Email!"
+        android:textSize="26sp"
+        android:textStyle="bold"
+        android:textColor="#0F172A"
+        android:layout_marginBottom="16dp"/>
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Enviámos um link de confirmação para o teu email. Por favor, abre a tua caixa de correio, clica no link e depois volta aqui."
+        android:textSize="16sp"
+        android:textColor="#64748B"
+        android:textAlignment="center"
+        android:layout_marginBottom="40dp"/>
+
+    <Button
+        android:id="@+id/btnJaConfirmei"
+        android:layout_width="match_parent"
+        android:layout_height="60dp"
+        android:text="Já confirmei o Email"
+        android:textSize="18sp"
+        android:textStyle="bold"
+        android:backgroundTint="#0F172A"
+        app:cornerRadius="15dp"
+        android:layout_marginBottom="16dp"/>
+
+    <Button
+        android:id="@+id/btnVoltarLoginVerificacao"
+        android:layout_width="match_parent"
+        android:layout_height="60dp"
+        android:text="Voltar ao Login"
+        android:textColor="#0F172A"
+        android:backgroundTint="#E2E8F0"
+        app:cornerRadius="15dp"/>
+
+</LinearLayout>