diff --git a/susconecta/app/paciente/page.tsx b/susconecta/app/paciente/page.tsx
index 35a1f9d..b369a50 100644
--- a/susconecta/app/paciente/page.tsx
+++ b/susconecta/app/paciente/page.tsx
@@ -602,7 +602,7 @@ export default function PacientePage() {
 
         {/* Cards com Informações */}
         <div className="grid grid-cols-1 gap-3 sm:gap-4 md:gap-4 md:grid-cols-2">
-          <Card className="group rounded-2xl border border-border/60 bg-card/70 p-4 sm:p-5 md:p-5 backdrop-blur-sm shadow-sm transition hover:shadow-md">
+          <Card className="group rounded-2xl border border-border/60 bg-card p-4 sm:p-5 md:p-5 shadow-sm transition hover:shadow-md">
             <div className="flex h-32 sm:h-36 md:h-40 w-full flex-col items-center justify-center gap-2 sm:gap-3">
               <div className="flex h-10 w-10 sm:h-11 sm:w-11 md:h-12 md:w-12 items-center justify-center rounded-full bg-primary/10 text-primary">
                 <Calendar className="h-5 w-5 sm:h-5 sm:w-5 md:h-6 md:w-6" aria-hidden />
@@ -616,7 +616,7 @@ export default function PacientePage() {
             </div>
           </Card>
 
-          <Card className="group rounded-2xl border border-border/60 bg-card/70 p-4 sm:p-5 md:p-5 backdrop-blur-sm shadow-sm transition hover:shadow-md">
+          <Card className="group rounded-2xl border border-border/60 bg-card p-4 sm:p-5 md:p-5 shadow-sm transition hover:shadow-md">
             <div className="flex h-32 sm:h-36 md:h-40 w-full flex-col items-center justify-center gap-2 sm:gap-3">
               <div className="flex h-10 w-10 sm:h-11 sm:w-11 md:h-12 md:w-12 items-center justify-center rounded-full bg-primary/10 text-primary">
                 <FileText className="h-5 w-5 sm:h-5 sm:w-5 md:h-6 md:w-6" aria-hidden />
@@ -1960,8 +1960,8 @@ export default function PacientePage() {
         {/* Layout com sidebar e conteúdo */}
         <div className="grid grid-cols-1 md:grid-cols-[200px_1fr] lg:grid-cols-[220px_1fr] gap-4 sm:gap-5 md:gap-6">
           {/* Sidebar vertical - sticky */}
-          <aside className="sticky top-24 h-fit md:top-24">
-            <nav aria-label="Navegação do dashboard" className="bg-card shadow-md rounded-lg border border-border p-1.5 sm:p-2 md:p-3 z-30">
+          <aside className="sticky top-24 h-fit md:top-24 z-40">
+            <nav aria-label="Navegação do dashboard" className="relative isolate bg-card shadow-lg rounded-lg border border-border p-1.5 sm:p-2 md:p-3 z-50">
               <div className="grid grid-cols-2 md:grid-cols-1 gap-1 sm:gap-1.5">
                 <Button
                   variant={tab==='dashboard'?'default':'ghost'}
diff --git a/susconecta/components/features/dashboard/header.tsx b/susconecta/components/features/dashboard/header.tsx
index 160de92..8112742 100644
--- a/susconecta/components/features/dashboard/header.tsx
+++ b/susconecta/components/features/dashboard/header.tsx
@@ -33,105 +33,89 @@ export function PagesHeader({ title = "", subtitle = "" }: { title?: string, sub
   }, [dropdownOpen]);
 
   return (
-    <header className="h-16 border-b border-border bg-background px-6 flex items-center justify-between">
-      <div className="flex flex-row items-center gap-4">
+    <header className="sticky top-0 z-40 border-b border-border bg-background/95 backdrop-blur supports-[backdrop-filter]:bg-background/60 px-3 sm:px-6 py-2 flex flex-wrap items-center gap-3">
+      <div className="flex items-center gap-3 min-w-0">
         <SidebarTrigger />
-        <div className="flex items-start flex-col justify-center py-2">
-          <h1 className="text-lg font-semibold text-foreground">{title}</h1>
-          <p className="text-muted-foreground">{subtitle}</p>
+        <div className="flex flex-col justify-center leading-tight min-w-0">
+          <h1 className="text-sm sm:text-lg font-semibold text-foreground truncate max-w-[55vw] sm:max-w-none">{title}</h1>
+          {subtitle && (
+            <p className="text-[11px] sm:text-xs text-muted-foreground truncate max-w-[55vw] sm:max-w-none">{subtitle}</p>
+          )}
         </div>
       </div>
-
-      <div className="flex items-center space-x-4">
-  <Button variant="ghost" size="icon" className="hover-primary-blue">
+      <div className="flex items-center gap-2 ml-auto">
+        <Button variant="ghost" size="icon" className="hover-primary-blue hidden xs:flex">
           <Bell className="h-4 w-4" />
         </Button>
-
         <SimpleThemeToggle />
-                    <Button
-                      variant="outline"
-                      className="text-blue-500 border-blue-500 bg-transparent shadow-sm shadow-blue-500/10 border hover-primary-blue"
-                      asChild
-                    ></Button>
-        {/* Avatar Dropdown Simples */}
         <div className="relative" ref={dropdownRef}>
-          <Button 
-            variant="ghost" 
-            className="relative h-8 w-8 rounded-full border-2 border-border hover:border-primary"
+          <Button
+            variant="ghost"
+            className="relative h-8 w-8 rounded-full border border-border hover:border-primary"
             onClick={() => setDropdownOpen(!dropdownOpen)}
+            aria-label="Abrir menu do perfil"
           >
-            {/* Mostrar foto do usuário quando disponível; senão, mostrar fallback com iniciais */}
             <Avatar className="h-8 w-8">
-              {
-                (() => {
-                  const userPhoto = (user as any)?.profile?.foto_url || (user as any)?.profile?.fotoUrl || (user as any)?.profile?.avatar_url
-                  const alt = user?.name || user?.email || 'Usuário'
-
-                  const getInitials = (name?: string, email?: string) => {
-                    if (name) {
-                      const parts = name.trim().split(/\s+/)
-                      const first = parts[0]?.charAt(0) ?? ''
-                      const second = parts[1]?.charAt(0) ?? ''
-                      return (first + second).toUpperCase() || (email?.charAt(0) ?? 'U').toUpperCase()
-                    }
-                    if (email) return email.charAt(0).toUpperCase()
-                    return 'U'
+              {(() => {
+                const userPhoto = (user as any)?.profile?.foto_url || (user as any)?.profile?.fotoUrl || (user as any)?.profile?.avatar_url
+                const alt = user?.name || user?.email || 'Usuário'
+                const getInitials = (name?: string, email?: string) => {
+                  if (name) {
+                    const parts = name.trim().split(/\s+/)
+                    const first = parts[0]?.charAt(0) ?? ''
+                    const second = parts[1]?.charAt(0) ?? ''
+                    return (first + second).toUpperCase() || (email?.charAt(0) ?? 'U').toUpperCase()
                   }
-
-                  return (
-                    <>
-                      <AvatarImage src={userPhoto || undefined} alt={alt} />
-                      <AvatarFallback className="bg-primary text-primary-foreground font-semibold">{getInitials(user?.name, user?.email)}</AvatarFallback>
-                    </>
-                  )
-                })()
-              }
+                  if (email) return email.charAt(0).toUpperCase()
+                  return 'U'
+                }
+                return (
+                  <>
+                    <AvatarImage src={userPhoto || undefined} alt={alt} />
+                    <AvatarFallback className="bg-primary text-primary-foreground font-semibold">{getInitials(user?.name, user?.email)}</AvatarFallback>
+                  </>
+                )
+              })()}
             </Avatar>
           </Button>
-
-          {/* Dropdown Content */}
           {dropdownOpen && (
-            <div className="absolute right-0 mt-2 w-80 bg-popover border border-border rounded-md shadow-lg z-50 text-popover-foreground">
-              <div className="p-4 border-b border-border">
+            <div className="absolute right-0 mt-2 w-64 sm:w-80 bg-popover border border-border rounded-md shadow-lg z-50 text-popover-foreground animate-in fade-in slide-in-from-top-2">
+              <div className="p-3 sm:p-4 border-b border-border">
                 <div className="flex flex-col space-y-1">
-                  <p className="text-sm font-semibold leading-none">
+                  <p className="text-xs sm:text-sm font-semibold leading-none">
                     {user?.userType === 'administrador' ? 'Administrador da Clínica' : 'Usuário do Sistema'}
                   </p>
                   {user?.email ? (
-                    <p className="text-xs leading-none text-muted-foreground">{user.email}</p>
+                    <p className="text-[10px] sm:text-xs leading-none text-muted-foreground truncate">{user.email}</p>
                   ) : (
-                    <p className="text-xs leading-none text-muted-foreground">Email não disponível</p>
+                    <p className="text-[10px] sm:text-xs leading-none text-muted-foreground">Email não disponível</p>
                   )}
-                  <p className="text-xs leading-none text-primary font-medium">
+                  <p className="text-[10px] sm:text-xs leading-none text-primary font-medium">
                     Tipo: {user?.userType === 'administrador' ? 'Administrador' : user?.userType || 'Não definido'}
                   </p>
                 </div>
               </div>
-              
               <div className="py-1">
-                <button 
+                <button
                   onClick={(e) => {
                     e.preventDefault();
                     setDropdownOpen(false);
                     router.push('/perfil');
                   }}
-                  className="w-full text-left px-4 py-2 text-sm hover:bg-accent cursor-pointer"
+                  className="w-full text-left px-3 sm:px-4 py-2 text-xs sm:text-sm hover:bg-accent cursor-pointer"
                 >
-                   Perfil
+                  Perfil
                 </button>
-                
-                <div className="border-t border-border my-1"></div>
-                <button 
+                <div className="border-t border-border my-1" />
+                <button
                   onClick={(e) => {
                     e.preventDefault();
                     setDropdownOpen(false);
-                    
-                    // Usar sempre o logout do hook useAuth (ele já redireciona corretamente)
                     logout();
                   }}
-                  className="w-full text-left px-4 py-2 text-sm text-destructive hover:bg-destructive/10 cursor-pointer"
+                  className="w-full text-left px-3 sm:px-4 py-2 text-xs sm:text-sm text-destructive hover:bg-destructive/10 cursor-pointer"
                 >
-                   Sair
+                  Sair
                 </button>
               </div>
             </div>
diff --git a/susconecta/components/ui/file-upload-and-chat.tsx b/susconecta/components/ui/file-upload-and-chat.tsx
index 8cd4430..5a7b891 100644
--- a/susconecta/components/ui/file-upload-and-chat.tsx
+++ b/susconecta/components/ui/file-upload-and-chat.tsx
@@ -49,6 +49,23 @@ const FileUploadChat = ({ onOpenVoice }: { onOpenVoice?: () => void }) => {
   const chatEndRef = useRef<HTMLDivElement>(null);
   const textareaRef = useRef<HTMLTextAreaElement>(null);
 
+  // Placeholder responsivo (não quebra, adapta o texto)
+  const [responsivePlaceholder, setResponsivePlaceholder] = useState("Pergunte qualquer coisa para a Zoe");
+
+  const computePlaceholder = (w: number) => {
+    if (w < 340) return "Pergunte à Zoe"; // ultra pequeno
+    if (w < 400) return "Pergunte algo à Zoe"; // pequeno
+    if (w < 520) return "Pergunte algo para a Zoe"; // médio estreito
+    return "Pergunte qualquer coisa para a Zoe"; // normal
+  };
+
+  useEffect(() => {
+    const update = () => setResponsivePlaceholder(computePlaceholder(window.innerWidth));
+    update();
+    window.addEventListener("resize", update);
+    return () => window.removeEventListener("resize", update);
+  }, []);
+
   useEffect(() => {
     chatEndRef.current?.scrollIntoView({ behavior: "smooth" });
   }, [messages]);
@@ -511,12 +528,11 @@ const FileUploadChat = ({ onOpenVoice }: { onOpenVoice?: () => void }) => {
 
               {/* Input unificado com ícones embutidos */}
               <div className="flex w-full">
-                <div className={`relative flex items-center w-full rounded-full border ${themeClasses.border} ${themeClasses.inputBg} overflow-hidden h-11`}>
-                  {/* Botão anexar (esquerda) */}
+                <div className={`flex items-center w-full rounded-full border ${themeClasses.border} ${themeClasses.inputBg} h-11 px-2 gap-2`}>
                   <button
                     onClick={() => fileInputRef.current?.click()}
                     type="button"
-                    className={`absolute left-2 flex items-center justify-center h-7 w-7 rounded-full transition-colors hover:bg-primary/20 ${themeClasses.text}`}
+                    className={`flex items-center justify-center h-7 w-7 rounded-full transition-colors hover:bg-primary/20 flex-shrink-0 ${themeClasses.text}`}
                     aria-label="Anexar arquivos"
                   >
                     <Plus className="w-4 h-4" />
@@ -528,41 +544,33 @@ const FileUploadChat = ({ onOpenVoice }: { onOpenVoice?: () => void }) => {
                     className="hidden"
                     onChange={(e) => handleFileSelect(e.target.files)}
                   />
-                  {/* Textarea */}
                   <textarea
                     ref={textareaRef}
                     value={inputValue}
                     onChange={(e) => setInputValue(e.target.value)}
                     onKeyPress={handleKeyPress}
-                    placeholder="Pergunte qualquer coisa para a Zoe"
+                    placeholder={responsivePlaceholder}
                     rows={1}
-                    className={`pl-11 pr-24 w-full h-full bg-transparent resize-none focus:outline-none text-sm leading-snug py-3 ${themeClasses.text} placeholder-gray-400`}
+                    className={`flex-1 bg-transparent resize-none focus:outline-none leading-snug py-3 pr-2 ${themeClasses.text} placeholder-gray-400 text-[13px] sm:text-sm placeholder:text-[12px] sm:placeholder:text-sm whitespace-nowrap overflow-hidden text-ellipsis placeholder:overflow-hidden placeholder:text-ellipsis`}
                     style={{ minHeight: 'auto', overflow: 'hidden' }}
                   />
-                  {/* Ícones à direita */}
-                  <div className="absolute right-2 flex items-center gap-2">
-                    <button
-                      onClick={() => onOpenVoice?.()}
-                      type="button"
-                      className={`flex items-center justify-center h-8 w-8 rounded-full border ${themeClasses.border} transition-colors hover:bg-primary/20 ${themeClasses.text}`}
-                      aria-label="Entrada de voz"
-                    >
-                      <AudioLines className="w-4 h-4" />
-                    </button>
-                    <button
-                      onClick={sendMessage}
-                      disabled={!inputValue.trim() && uploadedFiles.length === 0}
-                      type="button"
-                      className="flex items-center justify-center h-8 w-8 rounded-full bg-linear-to-r from-blue-500 to-purple-600 text-white hover:from-blue-600 hover:to-purple-700 disabled:from-gray-400 disabled:to-gray-500 disabled:cursor-not-allowed transition-colors shadow-md"
-                      aria-label="Enviar mensagem"
-                    >
-                      <Send className="w-4 h-4" />
-                    </button>
-                  </div>
-                  {/* Contador de caracteres */}
-                  {inputValue.length > 0 && (
-                    <span className={`absolute bottom-1 right-24 text-[10px] ${themeClasses.textSecondary}`}>{inputValue.length}</span>
-                  )}
+                  <button
+                    onClick={() => onOpenVoice?.()}
+                    type="button"
+                    className={`flex items-center justify-center h-8 w-8 rounded-full border ${themeClasses.border} transition-colors hover:bg-primary/20 flex-shrink-0 ${themeClasses.text}`}
+                    aria-label="Entrada de voz"
+                  >
+                    <AudioLines className="w-4 h-4" />
+                  </button>
+                  <button
+                    onClick={sendMessage}
+                    disabled={!inputValue.trim() && uploadedFiles.length === 0}
+                    type="button"
+                    className="flex items-center justify-center h-8 w-8 rounded-full bg-linear-to-r from-blue-500 to-purple-600 text-white hover:from-blue-600 hover:to-purple-700 disabled:from-gray-400 disabled:to-gray-500 disabled:cursor-not-allowed transition-colors shadow-md flex-shrink-0"
+                    aria-label="Enviar mensagem"
+                  >
+                    <Send className="w-4 h-4" />
+                  </button>
                 </div>
               </div>
             </div>