diff --git a/src/App.tsx b/src/App.tsx
index 1838985..7f16f71 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -306,7 +306,7 @@ export default function App() {
             
             <div className="space-y-0.5">
               <h1 className="text-2xl font-black italic tracking-tighter uppercase leading-none">
-                {isSecretAdminRoute ? <>FXBROS <span className="text-brand-red">ADMIN</span></> : <>QUANT<span className="text-brand-red">SCAN</span></>}
+                {isSecretAdminRoute ? <>FXBROS <span className="text-brand-red">ADMIN</span></> : <><span className="text-white">QUANT</span><span className="text-brand-red">SCAN</span></>}
               </h1>
               <p className="text-zinc-500 font-medium text-[10px] leading-tight">
                 {isSecretAdminRoute ? "Acesso Restrito" : "Acesse a inteligência institucional Pro."}
@@ -626,7 +626,7 @@ export default function App() {
                 />
                 <div className="flex flex-col">
                   <span className="text-[10px] text-zinc-500 tracking-widest uppercase font-bold">Olá Humano, Bem-Vindo</span>
-                  <div className="font-black italic text-xl tracking-tighter uppercase leading-none">QUANT<span className="text-brand-red">SCAN</span></div>
+                  <div className="font-black italic text-xl tracking-tighter uppercase leading-none"><span className="text-white">QUANT</span><span className="text-brand-red">SCAN</span></div>
                 </div>
              </div>
              <button onClick={handleLogout} className="text-zinc-500 hover:text-white p-2">
diff --git a/src/components/AdminDashboard.tsx b/src/components/AdminDashboard.tsx
index 8253ebe..04e78b9 100644
--- a/src/components/AdminDashboard.tsx
+++ b/src/components/AdminDashboard.tsx
@@ -12,8 +12,10 @@ interface UserProfile {
   isPremium: boolean;
   isAdmin: boolean;
   analysisLimit?: number;
-  plan?: 'basic' | 'pro' | 'elite';
+  plan?: 'basic' | 'pro' | 'elite' | 'lifetime';
   isApproved?: boolean;
+  subscriptionStartsAt?: number;
+  subscriptionEndsAt?: number | null;
 }
 
 export const AdminDashboard: React.FC = () => {
@@ -108,12 +110,20 @@ export const AdminDashboard: React.FC = () => {
     }
   };
 
-  const handleToggleApproval = async (userId: string, currentStatus: boolean) => {
+  const handleToggleApproval = async (user: any) => {
     try {
-      await updateDoc(doc(db, 'users', userId), {
-        isApproved: !currentStatus
-      }).catch(err => {
-        handleFirestoreError(err, OperationType.UPDATE, 'users/' + userId);
+      const updates: any = { isApproved: !user.isApproved };
+      
+      // Se estiver aprovando pela primeira vez (ou não tem data), define o início e fim
+      if (!user.isApproved && !user.subscriptionStartsAt) {
+        updates.subscriptionStartsAt = Date.now();
+        if (user.plan !== 'lifetime') {
+          updates.subscriptionEndsAt = Date.now() + 30 * 24 * 60 * 60 * 1000; // 30 dias
+        }
+      }
+
+      await updateDoc(doc(db, 'users', user.uid), updates).catch(err => {
+        handleFirestoreError(err, OperationType.UPDATE, 'users/' + user.uid);
         throw err;
       });
     } catch (err) {
@@ -122,25 +132,37 @@ export const AdminDashboard: React.FC = () => {
     }
   };
 
-  const handlePlanChange = async (userId: string, newPlan: 'basic' | 'pro' | 'elite') => {
+  const handlePlanChange = async (user: any, newPlan: 'basic' | 'pro' | 'elite' | 'lifetime') => {
     let limit = 8;
     let isPremium = false;
 
     if (newPlan === 'pro') {
       limit = 15;
       isPremium = true;
-    } else if (newPlan === 'elite') {
+    } else if (newPlan === 'elite' || newPlan === 'lifetime') {
       limit = 999999; // Represents unlimited
       isPremium = true;
     }
 
+    const updates: any = {
+      plan: newPlan,
+      analysisLimit: limit,
+      isPremium
+    };
+
+    // Atualiza a validade se mudar o plano
+    if (newPlan === 'lifetime') {
+      updates.subscriptionEndsAt = null; // Lifetime não expira
+    } else {
+      // Se não tinha data de fim e já estava aprovado, define 30 dias a partir de agora
+      if (user.isApproved && !user.subscriptionEndsAt) {
+        updates.subscriptionEndsAt = Date.now() + 30 * 24 * 60 * 60 * 1000;
+      }
+    }
+
     try {
-      await updateDoc(doc(db, 'users', userId), {
-        plan: newPlan,
-        analysisLimit: limit,
-        isPremium
-      }).catch(err => {
-        handleFirestoreError(err, OperationType.UPDATE, 'users/' + userId);
+      await updateDoc(doc(db, 'users', user.uid), updates).catch(err => {
+        handleFirestoreError(err, OperationType.UPDATE, 'users/' + user.uid);
         throw err;
       });
     } catch (err) {
@@ -149,6 +171,26 @@ export const AdminDashboard: React.FC = () => {
     }
   };
 
+  const handleRenewSubscription = async (user: any) => {
+    try {
+      const now = Date.now();
+      const currentEnd = user.subscriptionEndsAt || now;
+      // Retoma do momento atual se já expirou, ou adiciona ao fim atual se ainda está ativo
+      const newEnd = (currentEnd > now ? currentEnd : now) + 30 * 24 * 60 * 60 * 1000;
+      
+      await updateDoc(doc(db, 'users', user.uid), {
+        subscriptionEndsAt: newEnd
+      }).catch(err => {
+        handleFirestoreError(err, OperationType.UPDATE, 'users/' + user.uid);
+        throw err;
+      });
+      alert('Assinatura renovada com sucesso por 30 dias!');
+    } catch (err) {
+      console.error("Failed to renew user", err);
+      alert('Falha ao renovar assinatura.');
+    }
+  };
+
   const handleDeleteTestimonial = async (id: string) => {
     if (!confirm('Tem certeza que deseja remover este resultado?')) return;
     try {
@@ -309,6 +351,8 @@ export const AdminDashboard: React.FC = () => {
                 <th className="p-4 text-center">Aprovação</th>
                 <th className="p-4 text-center">Plano</th>
                 <th className="p-4 text-center">Limite Diário</th>
+                <th className="p-4 text-center">Assinatura</th>
+                <th className="p-4 text-center">Ações</th>
                 <th className="p-4 text-center">Admin</th>
               </tr>
             </thead>
@@ -332,7 +376,7 @@ export const AdminDashboard: React.FC = () => {
                   </td>
                   <td className="p-4 text-center">
                     <button 
-                      onClick={() => handleToggleApproval(user.uid, !!user.isApproved)}
+                      onClick={() => handleToggleApproval(user)}
                       className={cn(
                         "px-3 py-1 rounded-full text-[10px] font-black uppercase tracking-widest transition-all",
                         user.isApproved 
@@ -346,12 +390,13 @@ export const AdminDashboard: React.FC = () => {
                   <td className="p-4 text-center">
                     <select 
                       value={user.plan || 'basic'}
-                      onChange={(e) => handlePlanChange(user.uid, e.target.value as 'basic' | 'pro' | 'elite')}
+                      onChange={(e) => handlePlanChange(user, e.target.value as 'basic' | 'pro' | 'elite' | 'lifetime')}
                       className="bg-black/40 border border-white/10 rounded-lg px-3 py-1.5 text-xs text-white uppercase font-black tracking-widest focus:outline-none focus:border-brand-red/50 cursor-pointer"
                     >
                       <option value="basic">Básico</option>
                       <option value="pro">Premium (Pro)</option>
                       <option value="elite">Elite</option>
+                      <option value="lifetime">Lifetime</option>
                     </select>
                   </td>
                   <td className="p-4 text-center">
@@ -359,6 +404,33 @@ export const AdminDashboard: React.FC = () => {
                       {user.analysisLimit === 999999 ? 'Ilimitado' : user.analysisLimit ?? 8}
                     </span>
                   </td>
+                  <td className="p-4 text-center">
+                    {user.plan === 'lifetime' ? (
+                      <span className="text-[10px] font-black text-brand-red uppercase tracking-widest">Vitalício</span>
+                    ) : user.subscriptionEndsAt ? (
+                      <div className="flex flex-col items-center justify-center">
+                        <span className={cn(
+                          "text-[10px] font-bold font-mono",
+                          user.subscriptionEndsAt < Date.now() ? "text-brand-red" : 
+                          user.subscriptionEndsAt < Date.now() + 3*24*60*60*1000 ? "text-orange-500" : "text-zinc-400"
+                        )}>
+                          {user.subscriptionEndsAt < Date.now() ? "Expirado" : "Vence"}: {new Date(user.subscriptionEndsAt).toLocaleDateString('pt-BR')}
+                        </span>
+                      </div>
+                    ) : (
+                      <span className="text-[10px] text-zinc-600 font-bold">-</span>
+                    )}
+                  </td>
+                  <td className="p-4 text-center">
+                    {user.plan !== 'lifetime' && user.isApproved && (
+                      <button
+                        onClick={() => handleRenewSubscription(user)}
+                        className="px-3 py-1 bg-white/10 hover:bg-brand-red/20 text-white hover:text-brand-red border border-white/10 hover:border-brand-red/30 rounded text-[10px] font-black uppercase tracking-widest transition-all"
+                      >
+                        Renovar
+                      </button>
+                    )}
+                  </td>
                   <td className="p-4 text-center">
                     {user.isAdmin && (
                       <span className="bg-brand-red/20 text-brand-red px-2 py-1 rounded text-[10px] font-black uppercase tracking-widest border border-brand-red/20">
diff --git a/src/components/AnalysisView.tsx b/src/components/AnalysisView.tsx
index 7be77e3..f050886 100644
--- a/src/components/AnalysisView.tsx
+++ b/src/components/AnalysisView.tsx
@@ -18,6 +18,13 @@ export const AnalysisView: React.FC<{ userData?: any, onGoToHistory?: () => void
   const [mode, setMode] = useState<'Técnico' | 'Fundamental' | 'Híbrido'>('Híbrido');
   const [usageInfo, setUsageInfo] = useState<{ used: number, limit: number }>({ used: 0, limit: userData?.analysisLimit ?? 8 });
 
+  const now = Date.now();
+  const isLifetime = userData?.plan === 'lifetime';
+  const endsAt = userData?.subscriptionEndsAt;
+  const isExpired = !!(!isLifetime && endsAt && now > endsAt);
+  const daysRemaining = !isLifetime && endsAt ? (endsAt - now) / (1000 * 60 * 60 * 24) : null;
+  const isEndingSoon = daysRemaining !== null && Math.ceil(daysRemaining) <= 3 && Math.ceil(daysRemaining) > 0;
+
   useEffect(() => {
     const fetchUsage = async () => {
       if (!auth.currentUser) return;
@@ -54,6 +61,10 @@ export const AnalysisView: React.FC<{ userData?: any, onGoToHistory?: () => void
   }, [result, userData]);
 
   const handleStartAnalysis = async () => {
+    if (isExpired) {
+      setError("Sua assinatura expirou. Por favor, contate o administrador para renovar o plano.");
+      return;
+    }
     if (!preview || !file) return;
     if (usageInfo.used >= usageInfo.limit) {
       setError(`Limite diário atingido (${usageInfo.used}/${usageInfo.limit}). Faça upgrade para análises ilimitadas.`);
@@ -129,6 +140,30 @@ export const AnalysisView: React.FC<{ userData?: any, onGoToHistory?: () => void
 
   return (
     <div className="max-w-4xl mx-auto space-y-5">
+      {isExpired && (
+        <div className="bg-brand-red/10 border border-brand-red p-4 rounded-xl flex items-start gap-3">
+          <AlertTriangle className="text-brand-red shrink-0 mt-0.5" size={20} />
+          <div>
+            <h3 className="text-brand-red font-black text-sm uppercase tracking-widest">Assinatura Expirada</h3>
+            <p className="text-red-200/70 text-xs mt-1">
+              Sua assinatura expirou. Renove seu plano para continuar usando o scanner analisador.
+            </p>
+          </div>
+        </div>
+      )}
+      
+      {isEndingSoon && (
+        <div className="bg-orange-500/10 border border-orange-500 p-4 rounded-xl flex items-start gap-3">
+          <AlertTriangle className="text-orange-500 shrink-0 mt-0.5" size={20} />
+          <div>
+            <h3 className="text-orange-500 font-black text-sm uppercase tracking-widest">Assinatura Expirando</h3>
+            <p className="text-orange-200/70 text-xs mt-1">
+              Sua assinatura expira em {Math.ceil(daysRemaining)} dia(s). Renove agora para não perder o acesso ao scanner.
+            </p>
+          </div>
+        </div>
+      )}
+
       <header className="space-y-1">
         <h1 className="text-xl font-black italic tracking-tighter text-white flex items-center gap-2.5 uppercase">
           <div className="w-7 h-7 rounded-lg border-2 border-brand-red flex items-center justify-center red-glow">
@@ -193,10 +228,11 @@ export const AnalysisView: React.FC<{ userData?: any, onGoToHistory?: () => void
                 {...getRootProps()} 
                 className={cn(
                   "w-full flex flex-col items-center justify-center py-10 rounded-xl cursor-pointer transition-all duration-300 border border-transparent",
-                  isDragActive ? "bg-brand-red/5 scale-[0.98] border-brand-red/30" : "hover:bg-zinc-800/20"
+                  isDragActive ? "bg-brand-red/5 scale-[0.98] border-brand-red/30" : "hover:bg-zinc-800/20",
+                  isExpired ? "opacity-50 pointer-events-none" : ""
                 )}
               >
-                <input {...getInputProps()} />
+                <input {...getInputProps()} disabled={isExpired} />
                 <div className="w-16 h-16 bg-brand-gray rounded-xl flex items-center justify-center mb-4 border border-white/5 group-hover:border-brand-red/30 transition-colors">
                   <Upload size={24} className="text-zinc-600 group-hover:scale-110 transition-transform" />
                 </div>
@@ -205,10 +241,13 @@ export const AnalysisView: React.FC<{ userData?: any, onGoToHistory?: () => void
               </div>
 
               <div className="flex gap-3 w-full">
-                <label className="flex-1 bg-brand-dark border-2 border-white/5 text-white py-3.5 rounded-xl font-black text-xs hover:border-brand-red/50 transition-all active:scale-95 flex items-center justify-center gap-2 cursor-pointer relative overflow-hidden group">
+                <label className={cn(
+                  "flex-1 bg-brand-dark border-2 border-white/5 text-white py-3.5 rounded-xl font-black text-xs hover:border-brand-red/50 transition-all active:scale-95 flex items-center justify-center gap-2 cursor-pointer relative overflow-hidden group",
+                  isExpired ? "opacity-50 pointer-events-none" : ""
+                )}>
                   <Camera size={16} className="text-zinc-400 group-hover:text-brand-red transition-colors" />
                   <span className="whitespace-nowrap pt-0.5">TIRAR FOTO</span>
-                  <input type="file" accept="image/*" capture="environment" className="opacity-0 absolute inset-0 cursor-pointer w-full h-full" onChange={(e) => {
+                  <input type="file" accept="image/*" capture="environment" disabled={isExpired} className="opacity-0 absolute inset-0 cursor-pointer w-full h-full" onChange={(e) => {
                     const f = e.target.files?.[0];
                     if (f) onDrop([f]);
                   }} />
diff --git a/src/components/LandingPage.tsx b/src/components/LandingPage.tsx
index d67bd3b..f4ef65d 100644
--- a/src/components/LandingPage.tsx
+++ b/src/components/LandingPage.tsx
@@ -40,7 +40,7 @@ export const LandingPage: React.FC<LandingPageProps> = ({ onGetStarted, onViewPl
               referrerPolicy="no-referrer"
             />
             <span className="font-black italic text-2xl tracking-tighter uppercase">
-              QUANT<span className="text-brand-red">SCAN</span>
+              <span className="text-white">QUANT</span><span className="text-brand-red">SCAN</span>
             </span>
           </div>
 
@@ -334,7 +334,7 @@ export const LandingPage: React.FC<LandingPageProps> = ({ onGetStarted, onViewPl
               <TrendingUp size={18} className="text-white" />
             </div>
             <span className="font-black italic text-xl tracking-tighter uppercase">
-              QUANT<span className="text-brand-red">SCAN</span>
+              <span className="text-white">QUANT</span><span className="text-brand-red">SCAN</span>
             </span>
           </div>
           <p className="text-zinc-600 text-xs max-w-lg mx-auto">
diff --git a/src/components/Navbar.tsx b/src/components/Navbar.tsx
index 48fbab6..58f640a 100644
--- a/src/components/Navbar.tsx
+++ b/src/components/Navbar.tsx
@@ -37,7 +37,7 @@ export const Navbar: React.FC<NavbarProps> = ({ activeTab, setActiveTab, isAdmin
         />
         <div className="flex flex-col">
           <span className="font-black italic text-xl tracking-tighter uppercase leading-none">
-            QUANT<span className="text-brand-red">SCAN</span>
+            <span className="text-white">QUANT</span><span className="text-brand-red">SCAN</span>
           </span>
           <span className="text-[10px] font-black uppercase text-zinc-500 tracking-[0.3em] mt-1">IA TRADER</span>
         </div>
diff --git a/src/components/PlansView.tsx b/src/components/PlansView.tsx
index de89329..72d98ac 100644
--- a/src/components/PlansView.tsx
+++ b/src/components/PlansView.tsx
@@ -237,7 +237,7 @@ export const PlansView: React.FC<PlansViewProps> = ({ isUnauthenticated, onGetSt
       <section id="planos" className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6 items-start">
         <PlanCard 
           title="Plano Begin"
-          price="500 MZN"
+          price="1.700 MT"
           description="Para quem está começando e quer testar a potência."
           buttonText="Assinar Agora"
           onClick={handleAction}
@@ -251,7 +251,7 @@ export const PlansView: React.FC<PlansViewProps> = ({ isUnauthenticated, onGetSt
         />
         <PlanCard 
           title="Plano Pro"
-          price="1.500 MZN"
+          price="3.500 MT"
           description="O plano mais popular para traders consistentes."
           buttonText="Assinar Agora"
           highlight={true}
@@ -268,7 +268,7 @@ export const PlansView: React.FC<PlansViewProps> = ({ isUnauthenticated, onGetSt
         />
         <PlanCard 
           title="Plano Elite"
-          price="3.000 MZN"
+          price="5.700 MT"
           description="Acesso total às ferramentas institucionais."
           buttonText="Ser Elite"
           onClick={handleAction}
@@ -282,7 +282,7 @@ export const PlansView: React.FC<PlansViewProps> = ({ isUnauthenticated, onGetSt
         />
         <PlanCard 
           title="Plano Lifetime"
-          price="8.000 MT"
+          price="10.000 MT"
           description="O acesso definitivo para toda a vida."
           buttonText="Assinar Vitalício"
           highlight={true}