diff --git a/.vscode/settings.json b/.vscode/settings.json
index 155422b..a0de46f 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,3 +1,3 @@
 {
-    "liveServer.settings.port": 5503
+    "liveServer.settings.port": 5504
 }
\ No newline at end of file
diff --git a/firebase.js b/firebase.js
index 5211140..ea2dee2 100644
--- a/firebase.js
+++ b/firebase.js
@@ -1,16 +1,18 @@
 import { initializeApp } from "https://www.gstatic.com/firebasejs/12.1.0/firebase-app.js";
-import { getFirestore } from "https://www.gstatic.com/firebasejs/12.1.0/firebase-firestore.js";
+import { getDatabase } from "https://www.gstatic.com/firebasejs/12.1.0/firebase-database.js";
 
 const firebaseConfig = {
-  apiKey: "SUA_API_KEY",
-  authDomain: "SEU_PROJETO.firebaseapp.com",
-  projectId: "SEU_PROJECT_ID",
-  storageBucket: "SEU_PROJETO.appspot.com",
-  messagingSenderId: "SEU_ID",
-  appId: "SEU_APP_ID"
+  apiKey: "AQUI_TUA_API_KEY",
+  authDomain: "AQUI.firebaseapp.com",
+  databaseURL: "https://condomaster-pro-ed9af-default-rtdb.europe-west1.firebasedatabase.app",
+  projectId: "condomaster-pro-ed9af",
+  storageBucket: "condomaster-pro-ed9af.appspot.com",
+  messagingSenderId: "AQUI",
+  appId: "AQUI"
 };
 
 const app = initializeApp(firebaseConfig);
-const db = getFirestore(app);
+const db = getDatabase(app);
+
+export { app, db };
 
-export { db };
\ No newline at end of file
diff --git a/index.html b/index.html
index 8cb6ffc..d0ca0c1 100644
--- a/index.html
+++ b/index.html
@@ -98,6 +98,10 @@
             Dumbbell, PartyPopper, Trophy, Map, Calendar, MapPin, Info,
             MessageCircle, Paperclip, Send
         } from 'lucide-react';
+        import { app } from './firebase.js';
+        import { getAuth, signInWithEmailAndPassword } from 'https://www.gstatic.com/firebasejs/12.1.0/firebase-auth.js';
+
+        const auth = getAuth(app);
 
         const INITIAL_RESIDENTS = [
             { id: 1, unit: '1º Esq', name: 'Ana Silva', contact: '912 345 678', email: 'ana.silva@email.com', status: 'Pago', pending: 0, role: 'morador' },
@@ -1655,6 +1659,8 @@
         root.render(<App />);
     </script>
     <!-- Firebase configs moved to top in React Module -->
-
+<script type="module" src="script.js"></script>
+<script type="module" src="firebase.js"></script>
+<script type="module" src="script.js"></script>
 </body>
 </html>
\ No newline at end of file
diff --git a/script.js b/script.js
index 998d174..3bcafc0 100644
--- a/script.js
+++ b/script.js
@@ -1,19 +1,9 @@
 
 
-const SUPABASE_URL = 'YOUR_SUPABASE_URL';
-const SUPABASE_KEY = 'YOUR_SUPABASE_KEY';
+import { db } from "./firebase.js";
+import { ref, get, set, remove, push, onValue } from "https://www.gstatic.com/firebasejs/12.1.0/firebase-database.js";
 
-
-const IS_MOCK = SUPABASE_URL.includes('YOUR_SUPABASE');
-
-let supabase;
-
-if (!IS_MOCK) {
-    supabase = supabase.createClient(SUPABASE_URL, SUPABASE_KEY);
-} else {
-    console.warn("⚠️ MOCK MODE ATIVADO: Usando LocalStorage. Configure o Supabase para persistência real.");
-    showToast("Modo Demo Ativado (LocalStorage)", "warning");
-}
+console.log("Integração com Firebase Database Iniciada");
 
 document.addEventListener('DOMContentLoaded', () => {
     checkLogin();
@@ -22,14 +12,22 @@ document.addEventListener('DOMContentLoaded', () => {
 
 function setupEventListeners() {
 
-    document.getElementById('login-form').addEventListener('submit', handleLogin);
+    const loginForm = document.getElementById('login-form');
+    if (loginForm) loginForm.addEventListener('submit', handleLogin);
 
+    const formMorador = document.getElementById('form-morador');
+    if (formMorador) formMorador.addEventListener('submit', saveMorador);
+    
+    const formTransacao = document.getElementById('form-transacao');
+    if (formTransacao) formTransacao.addEventListener('submit', saveTransacao);
+    
+    const formOcorrencia = document.getElementById('form-ocorrencia');
+    if (formOcorrencia) formOcorrencia.addEventListener('submit', saveOcorrencia);
+    
+    const formAviso = document.getElementById('form-aviso');
+    if (formAviso) formAviso.addEventListener('submit', saveAviso);
 
-    document.getElementById('form-morador').addEventListener('submit', saveMorador);
-    document.getElementById('form-transacao').addEventListener('submit', saveTransacao);
-    document.getElementById('form-ocorrencia').addEventListener('submit', saveOcorrencia);
-    document.getElementById('form-aviso').addEventListener('submit', saveAviso);
-
+    listenCondominos(); // Inicia o listener realtime para os condóminos
 
     if (sessionStorage.getItem('condoProUser')) {
         renderDashboard();
@@ -39,14 +37,21 @@ function setupEventListeners() {
 
 function checkLogin() {
     const user = sessionStorage.getItem('condoProUser');
+    const loginSection = document.getElementById('login-section');
+    const appLayout = document.getElementById('app-layout');
+    
     if (user) {
-        document.getElementById('login-section').classList.add('d-none');
-        document.getElementById('app-layout').classList.remove('d-none');
-        document.getElementById('app-layout').classList.add('d-flex');
+        if (loginSection) loginSection.classList.add('d-none');
+        if (appLayout) {
+            appLayout.classList.remove('d-none');
+            appLayout.classList.add('d-flex');
+        }
     } else {
-        document.getElementById('login-section').classList.remove('d-none');
-        document.getElementById('app-layout').classList.add('d-none');
-        document.getElementById('app-layout').classList.remove('d-flex');
+        if (loginSection) loginSection.classList.remove('d-none');
+        if (appLayout) {
+            appLayout.classList.add('d-none');
+            appLayout.classList.remove('d-flex');
+        }
     }
 }
 
@@ -99,39 +104,51 @@ function showToast(message, type = 'primary') {
 
 
 async function dbSelect(table, orderBy = null) {
-    if (IS_MOCK) {
-        const data = JSON.parse(localStorage.getItem(`condopro_${table}`)) || [];
+    try {
+        const snapshot = await get(ref(db, table));
+        const data = [];
+        if (snapshot.exists()) {
+            snapshot.forEach((childSnapshot) => {
+                const item = childSnapshot.val();
+                item.id = childSnapshot.key;
+                data.push(item);
+            });
+        }
         if (orderBy) {
-            data.sort((a, b) => new Date(b.created_at) - new Date(a.created_at));
+            data.sort((a, b) => {
+                let valA = a[orderBy.col];
+                let valB = b[orderBy.col];
+                if (valA < valB) return orderBy.asc ? -1 : 1;
+                if (valA > valB) return orderBy.asc ? 1 : -1;
+                return 0;
+            });
         }
         return { data, error: null };
+    } catch (error) {
+        return { data: null, error };
     }
-    let query = supabase.from(table).select('*');
-    if (orderBy) query = query.order(orderBy.col, { ascending: orderBy.asc });
-    return await query;
 }
 
 async function dbInsert(table, row) {
-    row.created_at = new Date().toISOString();
-    if (!row.id) row.id = Date.now();
+    try {
+        row.created_at = new Date().toISOString();
+        if (!row.id) row.id = Date.now().toString();
 
-    if (IS_MOCK) {
-        const data = JSON.parse(localStorage.getItem(`condopro_${table}`)) || [];
-        data.push(row);
-        localStorage.setItem(`condopro_${table}`, JSON.stringify(data));
+        await set(ref(db, `${table}/${row.id}`), row);
         return { data: [row], error: null };
+    } catch (error) {
+        console.error("Erro no dbInsert:", error);
+        return { data: null, error };
     }
-    return await supabase.from(table).insert([row]);
 }
 
 async function dbDelete(table, id) {
-    if (IS_MOCK) {
-        let data = JSON.parse(localStorage.getItem(`condopro_${table}`)) || [];
-        data = data.filter(item => item.id != id); // Loose comparison for ID
-        localStorage.setItem(`condopro_${table}`, JSON.stringify(data));
+    try {
+        await remove(ref(db, `${table}/${id}`));
         return { error: null };
+    } catch (error) {
+        return { error };
     }
-    return await supabase.from(table).delete().eq('id', id);
 }
 
 function navigateTo(viewId) {
@@ -267,20 +284,90 @@ function prepareCreateMorador() {
 
 async function saveMorador(e) {
     e.preventDefault();
-    const nome = document.getElementById('morador-nome').value;
-    const bloco = document.getElementById('morador-bloco').value;
-    const apartamento = document.getElementById('morador-apto').value;
-    const telefone = document.getElementById('morador-telefone').value;
-    const email = document.getElementById('morador-email').value;
 
-    const { error } = await dbInsert('moradores', { nome, bloco, apartamento, telefone, email });
+    const fracaoInput = document.getElementById("fracao");
+    const proprietarioInput = document.getElementById("proprietario");
+    const contactoInput = document.getElementById("contacto");
+    
+    // Fallback para formulário legado caso os IDs sejam diferentes
+    const fracao = fracaoInput ? fracaoInput.value.trim() : document.getElementById("morador-fracao")?.value.trim();
+    const proprietario = proprietarioInput ? proprietarioInput.value.trim() : document.getElementById("morador-nome")?.value.trim();
+    const contacto = contactoInput ? contactoInput.value.trim() : document.getElementById("morador-contacto")?.value.trim();
+    
+    // Obter estado, assumindo um seletor ou predefinição
+    const estadoInput = document.getElementById("estado");
+    const estado = estadoInput ? estadoInput.value : "Pago";
 
-    if (error) showToast("Erro ao salvar: " + error.message, "danger");
-    else {
-        bootstrap.Modal.getInstance(document.getElementById('modalMorador')).hide();
-        renderMoradores();
-        showToast("Morador salvo com sucesso!", "success");
+    // Validação Básica
+    if (!fracao || !proprietario || !contacto) {
+        alert("Por favor, preenche todos os campos obrigatórios (fração, proprietário e contacto).");
+        return;
     }
+
+    try {
+        // Gerar um novo ID automaticamente usando push()
+        const condominiosRef = ref(db, "condominos");
+        await push(condominiosRef, {
+            fracao,
+            proprietario,
+            contacto,
+            estado: estado,
+            divida: estado === "Pago" ? 0 : 50 // Lógica de exemplo
+        });
+
+        // Limpar o formulário
+        const form = document.getElementById('form-morador') || document.getElementById('formCondominio');
+        if (form) form.reset();
+        else {
+            if(fracaoInput) fracaoInput.value = '';
+            if(proprietarioInput) proprietarioInput.value = '';
+            if(contactoInput) contactoInput.value = '';
+        }
+
+        if (typeof showToast === "function") {
+            showToast("Condómino adicionado com sucesso!", "success");
+        } else {
+            alert("Condómino guardado com sucesso!");
+        }
+
+    } catch (erro) {
+        console.error("Erro ao guardar no Firebase: ", erro);
+        alert("Ocorreu um erro ao guardar o condómino.");
+    }
+}
+
+// Função para atualizar automaticamente a lista
+function listenCondominos() {
+    const condominiosRef = ref(db, "condominos");
+    
+    // onValue reage sempre que há mudanças na base de dados (adicionar, editar, remover)
+    onValue(condominiosRef, (snapshot) => {
+        const data = snapshot.val();
+        // Se houver uma função render reactiva no Vanilla, chamamo-la aqui.
+        // Exemplo: renderCondominosLista(data);
+        console.log("Dados atualizados em tempo real:", data);
+        
+        // Exemplo básico de atualização de DOM se tivermos uma tabela
+        const tbody = document.getElementById('moradores-list');
+        if (tbody && data) {
+            tbody.innerHTML = '';
+            Object.entries(data).forEach(([id, m]) => {
+                const tr = document.createElement('tr');
+                tr.innerHTML = `
+                    <td><div class="fw-bold">${m.proprietario || 'Sem Nome'}</div></td>
+                    <td>${m.fracao || '-'}</td>
+                    <td>${m.contacto || '-'}</td>
+                    <td>${m.estado || 'Pago'}</td>
+                    <td>
+                        <button class="btn btn-sm btn-outline-danger" onclick="deleteItem('condominos', '${id}')">
+                            Eliminar
+                        </button>
+                    </td>
+                `;
+                tbody.appendChild(tr);
+            });
+        }
+    });
 }
 
 async function renderFinanceiro() {
@@ -388,20 +475,9 @@ async function saveOcorrencia(e) {
     const fileInput = document.getElementById('ocorrencia-file');
     let imagem_url = null;
 
-    if (IS_MOCK && fileInput.files.length > 0) {
-        showToast("Upload simulado (Mock Mode)", "info");
+    if (fileInput.files.length > 0) {
+        showToast("Upload simulado (Firebase Storage não configurado)", "info");
         imagem_url = "https://placehold.co/600x400?text=Imagem+Ocorrencia";
-    } else if (fileInput.files.length > 0) {
-        const file = fileInput.files[0];
-        const fileName = `${Date.now()}_${file.name}`;
-        const { data, error } = await supabase.storage.from('condopro-bucket').upload(fileName, file);
-
-        if (error) {
-            showToast('Erro upload imagem: ' + error.message, "danger");
-            return;
-        }
-        const { data: publicData } = supabase.storage.from('condopro-bucket').getPublicUrl(fileName);
-        imagem_url = publicData.publicUrl;
     }
 
     const { error } = await dbInsert('ocorrencias', { titulo, descricao, imagem_url, status: 'pendente' });
@@ -490,32 +566,24 @@ function exportPDF(tableId, filename) {
     doc.save(filename + '.pdf');
     showToast("PDF gerado com sucesso!", "success");
 }
-import { db } from "./firebase.js";
-import { collection, addDoc } from "https://www.gstatic.com/firebasejs/12.1.0/firebase-firestore.js";
+const guardarBtn = document.getElementById("guardar");
+if (guardarBtn) {
+    guardarBtn.onclick = async () => {
+        const fracao = document.getElementById("fracao")?.value;
+        const proprietario = document.getElementById("proprietario")?.value;
+        const contacto = document.getElementById("contacto")?.value;
+        console.log("A tentar guardar no Firebase...");
 
-import { db } from "./firebase.js";
-import { collection, addDoc } from "https://www.gstatic.com/firebasejs/12.1.0/firebase-firestore.js";
+        try {
+            await push(ref(db, "condominios"), {
+                fracao,
+                proprietario,
+                contacto
+            });
 
-document.getElementById("btnAdicionar").onclick = () => {
-    document.getElementById("formCondominio").style.display = "block";
-};
-
-document.getElementById("guardar").onclick = async () => {
-    const fracao = document.getElementById("fracao").value;
-    const proprietario = document.getElementById("proprietario").value;
-    const contacto = document.getElementById("contacto").value;
-
-    try {
-        await addDoc(collection(db, "condominios"), {
-            fracao,
-            proprietario,
-            contacto,
-            estado: "Pago",
-            divida: 0
-        });
-
-        alert("Guardado com sucesso!");
-    } catch (e) {
-        alert("Erro: " + e.message);
-    }
-};
+            alert("Guardado com sucesso!");
+        } catch (e) {
+            alert("Erro: " + e.message);
+        }
+    };
+}