diff --git a/src/components/layout/Header.tsx b/src/components/layout/Header.tsx
index 74f1875..57aede5 100644
--- a/src/components/layout/Header.tsx
+++ b/src/components/layout/Header.tsx
@@ -1,70 +1,31 @@
-import { useState, useEffect } from 'react';
-import { useNavigate } from 'react-router-dom';
-import { Button } from "@/components/ui/button";
-import { LogOut, User } from 'lucide-react';
-import { useToast } from "@/components/ui/use-toast";
-import {
-  DropdownMenu,
-  DropdownMenuContent,
-  DropdownMenuItem,
-  DropdownMenuLabel,
-  DropdownMenuSeparator,
-  DropdownMenuTrigger,
-} from "@/components/ui/dropdown-menu";
-import { supabase } from '@/integrations/supabase/client';
 
-const Header = () => {
-  const navigate = useNavigate();
-  const { toast } = useToast();
-  const [userName, setUserName] = useState('Usuário');
+import { Menu } from 'lucide-react';
+import { Button } from '@/components/ui/button';
+import { useIsMobile } from '@/hooks/use-mobile';
 
-  useEffect(() => {
-    const { data: { subscription } } = supabase.auth.onAuthStateChange((_event, session) => {
-      setUserName(session?.user?.email || 'Usuário');
-    });
-    
-    return () => subscription.unsubscribe();
-  }, []);
+interface HeaderProps {
+  onMenuToggle: () => void;
+}
 
-  const handleLogout = async () => {
-    const { error } = await supabase.auth.signOut();
-    
-    if (error) {
-      console.error('Error logging out:', error);
-      toast({
-        title: "Erro no logout",
-        description: "Não foi possível desconectar. Tente novamente.",
-        variant: 'destructive'
-      });
-    } else {
-      toast({
-        title: "Logout realizado",
-        description: "Você foi desconectado com sucesso"
-      });
-      navigate('/auth', { replace: true });
-    }
-  };
+export default function Header({ onMenuToggle }: HeaderProps) {
+  const isMobile = useIsMobile();
 
   return (
-    <div className="flex justify-end items-center p-4 border-b">
-      <DropdownMenu>
-        <DropdownMenuTrigger asChild>
-          <Button variant="ghost" className="flex items-center gap-2">
-            <User size={18} />
-            <span>{userName}</span>
-          </Button>
-        </DropdownMenuTrigger>
-        <DropdownMenuContent align="end">
-          <DropdownMenuLabel>Minha conta</DropdownMenuLabel>
-          <DropdownMenuSeparator />
-          <DropdownMenuItem onClick={handleLogout} className="text-red-500 cursor-pointer">
-            <LogOut className="mr-2 h-4 w-4" />
-            <span>Sair</span>
-          </DropdownMenuItem>
-        </DropdownMenuContent>
-      </DropdownMenu>
+    <div className="flex h-14 items-center gap-4 border-b px-4 lg:h-[60px] lg:px-6">
+      {isMobile && (
+        <Button
+          variant="outline"
+          size="icon"
+          className="shrink-0 md:hidden"
+          onClick={onMenuToggle}
+        >
+          <Menu className="h-5 w-5" />
+          <span className="sr-only">Toggle navigation menu</span>
+        </Button>
+      )}
+      <div className="w-full flex-1">
+        <h1 className="text-lg font-semibold md:text-2xl">Finance Home</h1>
+      </div>
     </div>
   );
-};
-
-export default Header;
+}
diff --git a/src/components/onboarding/OnboardingTour.tsx b/src/components/onboarding/OnboardingTour.tsx
index aa6d19d..b5d170a 100644
--- a/src/components/onboarding/OnboardingTour.tsx
+++ b/src/components/onboarding/OnboardingTour.tsx
@@ -88,9 +88,10 @@ const OnboardingTour: React.FC<OnboardingTourProps> = ({
       width: rect.width + 20,
       height: rect.height + 20,
       borderRadius: '8px',
-      boxShadow: '0 0 0 9999px rgba(0, 0, 0, 0.7), 0 0 20px rgba(59, 130, 246, 0.8)',
+      boxShadow: '0 0 0 9999px rgba(0, 0, 0, 0.8), 0 0 30px rgba(59, 130, 246, 1), inset 0 0 0 3px rgba(59, 130, 246, 0.8)',
       pointerEvents: 'none' as const,
-      zIndex: 9998
+      zIndex: 9998,
+      border: '2px solid rgba(59, 130, 246, 0.9)'
     };
   };
 
@@ -98,7 +99,7 @@ const OnboardingTour: React.FC<OnboardingTourProps> = ({
     <>
       {/* Overlay escuro */}
       <div 
-        className="fixed inset-0 bg-black bg-opacity-70 z-[9997]"
+        className="fixed inset-0 bg-black bg-opacity-80 z-[9997]"
         style={{ zIndex: 9997 }}
       />
       
@@ -109,7 +110,7 @@ const OnboardingTour: React.FC<OnboardingTourProps> = ({
       
       {/* Card do tour */}
       <div className="fixed inset-0 flex items-center justify-center z-[9999] p-4">
-        <Card className="w-full max-w-md bg-white shadow-2xl">
+        <Card className="w-full max-w-md bg-white shadow-2xl border-2 border-blue-200">
           <CardContent className="p-6">
             <div className="flex justify-between items-start mb-4">
               <h3 className="text-xl font-bold text-gray-800">
@@ -142,10 +143,17 @@ const OnboardingTour: React.FC<OnboardingTourProps> = ({
               </div>
               
               <div className="flex space-x-2">
-                <Button variant="outline" onClick={onSkip}>
+                <Button 
+                  variant="outline" 
+                  onClick={onSkip}
+                  className="hover:bg-gray-100 transition-colors"
+                >
                   Pular Tour
                 </Button>
-                <Button onClick={onNext}>
+                <Button 
+                  onClick={onNext}
+                  className="bg-blue-600 hover:bg-blue-700 text-white font-semibold px-6 transition-colors shadow-lg"
+                >
                   {currentStep === steps.length - 1 ? 'Finalizar' : 'Próximo'}
                 </Button>
               </div>
diff --git a/src/hooks/useOnboardingTour.ts b/src/hooks/useOnboardingTour.ts
index d290b29..ae4e4f9 100644
--- a/src/hooks/useOnboardingTour.ts
+++ b/src/hooks/useOnboardingTour.ts
@@ -4,16 +4,29 @@ import { useLocation } from 'react-router-dom';
 import { useWhatsAppInstances } from '@/hooks/useWhatsAppInstances';
 import { listWhatsAppGroups } from '@/services/whatsAppGroupsService';
 
+const TOUR_SESSION_KEY = 'onboarding_tour_shown';
+
 export const useOnboardingTour = () => {
   const [isOpen, setIsOpen] = useState(false);
   const [currentStep, setCurrentStep] = useState(0);
   const [shouldShowTour, setShouldShowTour] = useState(false);
+  const [tourShownThisSession, setTourShownThisSession] = useState(false);
   const location = useLocation();
   const { instances } = useWhatsAppInstances();
 
   // Verificar se o tour deve ser exibido
   const checkTourConditions = async () => {
     try {
+      // Verificar se já foi mostrado nesta sessão
+      const shownThisSession = sessionStorage.getItem(TOUR_SESSION_KEY) === 'true';
+      
+      if (shownThisSession) {
+        console.log('Tour já foi exibido nesta sessão');
+        setShouldShowTour(false);
+        setTourShownThisSession(true);
+        return;
+      }
+
       // Verificar se há instâncias conectadas
       const hasConnectedInstance = instances.some(instance => 
         instance.status === 'connected' || instance.connectionState === 'open'
@@ -30,16 +43,19 @@ export const useOnboardingTour = () => {
         hasConnectedInstance,
         hasGroups,
         shouldShow,
-        instances: instances.length
+        instances: instances.length,
+        shownThisSession
       });
 
       setShouldShowTour(shouldShow);
       
-      // Se deve mostrar o tour e não está aberto, abrir automaticamente
-      if (shouldShow && !isOpen) {
+      // Se deve mostrar o tour e não foi mostrado ainda, abrir automaticamente
+      if (shouldShow && !shownThisSession && !isOpen) {
         setIsOpen(true);
         setCurrentStep(0);
-      } else if (!shouldShow && isOpen) {
+        setTourShownThisSession(true);
+        sessionStorage.setItem(TOUR_SESSION_KEY, 'true');
+      } else if (!shouldShow) {
         // Se as condições foram atendidas, fechar o tour
         setIsOpen(false);
       }
@@ -56,11 +72,10 @@ export const useOnboardingTour = () => {
     }
   }, [instances]);
 
-  // Verificar condições periodicamente
+  // Verificar condições na inicialização
   useEffect(() => {
-    const interval = setInterval(checkTourConditions, 5000); // A cada 5 segundos
-    return () => clearInterval(interval);
-  }, [instances]);
+    checkTourConditions();
+  }, []);
 
   const nextStep = () => {
     if (currentStep < 2) {
@@ -77,6 +92,9 @@ export const useOnboardingTour = () => {
   const closeTour = () => {
     setIsOpen(false);
     setCurrentStep(0);
+    // Marcar como exibido nesta sessão
+    sessionStorage.setItem(TOUR_SESSION_KEY, 'true');
+    setTourShownThisSession(true);
   };
 
   return {