Fix emprestimos table layout shift during filter changes

- Replace centered spinner with skeleton table rows
- Maintain table structure and width during loading
- Show 5 skeleton rows with proper column widths
- Prevents layout collapse when changing filters

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/app/emprestimos/emprestimos-page-client.tsx

@@ -48,6 +48,7 @@ import {
   TableRow,
 } from "@/components/ui/table"
 import { Spinner } from "@/components/ui/spinner"
+import { Skeleton } from "@/components/ui/skeleton"
 import { SearchableCombobox, type SearchableComboboxOption } from "@/components/ui/searchable-combobox"
 import { DateRangeButton, type DateRangeValue } from "@/components/date-range-button"
 import { DatePicker } from "@/components/ui/date-picker"
@@ -503,20 +504,15 @@ export function EmprestimosPageClient() {
 
       {/* Table Section */}
       <section className="rounded-3xl border border-slate-200 bg-white/90 shadow-sm overflow-hidden">
-        {!emprestimos ? (
+        {emprestimos && filteredEmprestimos.length === 0 ? (
-          <div className="flex items-center justify-center gap-2 py-16">
-            <Spinner className="size-5 text-neutral-500" />
-            <span className="text-sm text-neutral-600">Carregando empréstimos...</span>
-          </div>
-        ) : filteredEmprestimos.length === 0 ? (
           <Empty className="m-4 border-dashed">
             <EmptyHeader>
               <EmptyMedia variant="icon" className="bg-slate-100 text-slate-600">
                 <IconPackage className="size-5" />
               </EmptyMedia>
-              <EmptyTitle>Nenhum empréstimo encontrado</EmptyTitle>
+              <EmptyTitle>Nenhum emprestimo encontrado</EmptyTitle>
               <EmptyDescription>
-                Ajuste os filtros ou crie um novo empréstimo para começar.
+                Ajuste os filtros ou crie um novo emprestimo para comecar.
               </EmptyDescription>
             </EmptyHeader>
           </Empty>
@@ -527,17 +523,32 @@ export function EmprestimosPageClient() {
                 <TableRow className="bg-transparent text-[11px] uppercase tracking-wide text-neutral-600 hover:bg-transparent">
                   <TableHead className="w-[6%] px-3 py-3 text-center text-[11px] font-semibold uppercase tracking-wide text-neutral-600">Ref</TableHead>
                   <TableHead className="w-[14%] border-l border-slate-200 px-3 py-3 text-center text-[11px] font-semibold uppercase tracking-wide text-neutral-600">Cliente</TableHead>
-                  <TableHead className="w-[12%] border-l border-slate-200 px-3 py-3 text-center text-[11px] font-semibold uppercase tracking-wide text-neutral-600">Responsável</TableHead>
+                  <TableHead className="w-[12%] border-l border-slate-200 px-3 py-3 text-center text-[11px] font-semibold uppercase tracking-wide text-neutral-600">Responsavel</TableHead>
                   <TableHead className="w-[16%] border-l border-slate-200 px-3 py-3 text-center text-[11px] font-semibold uppercase tracking-wide text-neutral-600">Equipamentos</TableHead>
-                  <TableHead className="w-[11%] border-l border-slate-200 px-3 py-3 text-center text-[11px] font-semibold uppercase tracking-wide text-neutral-600">Empréstimo</TableHead>
+                  <TableHead className="w-[11%] border-l border-slate-200 px-3 py-3 text-center text-[11px] font-semibold uppercase tracking-wide text-neutral-600">Emprestimo</TableHead>
                   <TableHead className="w-[11%] border-l border-slate-200 px-3 py-3 text-center text-[11px] font-semibold uppercase tracking-wide text-neutral-600">Prevista</TableHead>
                   <TableHead className="w-[9%] border-l border-slate-200 px-3 py-3 text-center text-[11px] font-semibold uppercase tracking-wide text-neutral-600">Status</TableHead>
                   <TableHead className="w-[10%] border-l border-slate-200 px-3 py-3 text-center text-[11px] font-semibold uppercase tracking-wide text-neutral-600">Valor</TableHead>
-                  <TableHead className="w-[11%] border-l border-slate-200 px-3 py-3 text-center text-[11px] font-semibold uppercase tracking-wide text-neutral-600">Ações</TableHead>
+                  <TableHead className="w-[11%] border-l border-slate-200 px-3 py-3 text-center text-[11px] font-semibold uppercase tracking-wide text-neutral-600">Acoes</TableHead>
                 </TableRow>
               </TableHeader>
               <TableBody>
-                {filteredEmprestimos.map((emp) => (
+                {!emprestimos ? (
+                  // Skeleton rows durante o loading
+                  Array.from({ length: 5 }).map((_, idx) => (
+                    <TableRow key={`skeleton-${idx}`} className="animate-pulse">
+                      <TableCell className="text-center"><Skeleton className="mx-auto h-4 w-8" /></TableCell>
+                      <TableCell className="text-center"><Skeleton className="mx-auto h-4 w-24" /></TableCell>
+                      <TableCell className="text-center"><Skeleton className="mx-auto h-4 w-20" /></TableCell>
+                      <TableCell className="text-center"><Skeleton className="mx-auto h-4 w-28" /></TableCell>
+                      <TableCell className="text-center"><Skeleton className="mx-auto h-4 w-16" /></TableCell>
+                      <TableCell className="text-center"><Skeleton className="mx-auto h-4 w-16" /></TableCell>
+                      <TableCell className="text-center"><Skeleton className="mx-auto h-4 w-14" /></TableCell>
+                      <TableCell className="text-center"><Skeleton className="mx-auto h-4 w-16" /></TableCell>
+                      <TableCell className="text-center"><Skeleton className="mx-auto h-8 w-20 rounded-full" /></TableCell>
+                    </TableRow>
+                  ))
+                ) : filteredEmprestimos.map((emp) => (
                   <TableRow
                     key={emp.id}
                     className="cursor-pointer transition-colors hover:bg-cyan-50/30"