diff --git a/src/components/pecas/ImportarPecasDiffModal.tsx b/src/components/pecas/ImportarPecasDiffModal.tsx
index 5338363..6491a39 100644
--- a/src/components/pecas/ImportarPecasDiffModal.tsx
+++ b/src/components/pecas/ImportarPecasDiffModal.tsx
@@ -9,7 +9,6 @@ import {
 import { Button } from '@/components/ui/button';
 import { Input } from '@/components/ui/input';
 import { Badge } from '@/components/ui/badge';
-import { ScrollArea } from '@/components/ui/scroll-area';
 import { Checkbox } from '@/components/ui/checkbox';
 import {
   AlertTriangle,
@@ -224,7 +223,7 @@ export const ImportarPecasDiffModal: React.FC<ImportarPecasDiffModalProps> = ({
   return (
     <>
       <Dialog open={open} onOpenChange={onOpenChange}>
-        <DialogContent className="max-w-6xl max-h-[92vh] flex flex-col p-0 overflow-hidden bg-background border-border">
+        <DialogContent className="max-w-6xl h-[90vh] max-h-[92vh] flex flex-col p-0 overflow-hidden bg-background border-border">
           {/* Cabeçalho */}
           <DialogHeader className="p-4 border-b border-border bg-card flex-shrink-0">
             <div className="flex items-center justify-between">
@@ -367,7 +366,7 @@ export const ImportarPecasDiffModal: React.FC<ImportarPecasDiffModalProps> = ({
           </DialogHeader>
 
           {/* Barra de Filtros e Ferramentas */}
-          <div className="p-3 border-b border-border bg-muted/20 flex flex-wrap items-center justify-between gap-2 text-xs">
+          <div className="p-3 border-b border-border bg-muted/20 flex flex-wrap items-center justify-between gap-2 text-xs flex-shrink-0">
             {/* Input de Busca */}
             <div className="relative w-72">
               <Search className="absolute left-2.5 top-2.5 h-3.5 w-3.5 text-muted-foreground" />
@@ -411,18 +410,18 @@ export const ImportarPecasDiffModal: React.FC<ImportarPecasDiffModalProps> = ({
             </div>
           </div>
 
-          {/* Tabela de Conciliação e Diff */}
-          <ScrollArea className="flex-1">
+          {/* Tabela de Conciliação e Diff com Scroll Vertical e Cabeçalho Sticky */}
+          <div className="flex-1 min-h-0 overflow-y-auto overflow-x-auto w-full">
             <div className="p-4">
               <table className="w-full text-left text-xs border-collapse">
-                <thead>
-                  <tr className="border-b border-border text-muted-foreground font-semibold bg-muted/40">
-                    <th className="p-2 w-10 text-center">Sobrepor</th>
-                    <th className="p-2 w-28">Peça / Fase</th>
-                    <th className="p-2 w-44">Perfil / Bitola</th>
-                    <th className="p-2 w-40">Status de Produção</th>
-                    <th className="p-2">Divergências Detectadas (Diff)</th>
-                    <th className="p-2 w-28 text-center">Lembrete Fabril</th>
+                <thead className="sticky top-0 z-10 bg-muted/95 backdrop-blur-sm shadow-sm">
+                  <tr className="border-b border-border text-muted-foreground font-semibold">
+                    <th className="p-2 w-10 text-center bg-muted/95">Sobrepor</th>
+                    <th className="p-2 w-28 bg-muted/95">Peça / Fase</th>
+                    <th className="p-2 w-44 bg-muted/95">Perfil / Bitola</th>
+                    <th className="p-2 w-40 bg-muted/95">Status de Produção</th>
+                    <th className="p-2 bg-muted/95">Divergências Detectadas (Diff)</th>
+                    <th className="p-2 w-28 text-center bg-muted/95">Lembrete Fabril</th>
                   </tr>
                 </thead>
                 <tbody className="divide-y divide-border">
@@ -623,7 +622,7 @@ export const ImportarPecasDiffModal: React.FC<ImportarPecasDiffModalProps> = ({
                 </tbody>
               </table>
             </div>
-          </ScrollArea>
+          </div>
 
           {/* Rodapé da Janela com Decisão e Ações */}
           <DialogFooter className="p-3 border-t border-border bg-card flex flex-row items-center justify-between flex-shrink-0">