diff --git a/frontend/src/lib/components/dashboard/invoices/edit/items/fa/country-dialog.svelte b/frontend/src/lib/components/dashboard/invoices/edit/items/fa/country-dialog.svelte
index 9f890415..ddb6b92d 100644
--- a/frontend/src/lib/components/dashboard/invoices/edit/items/fa/country-dialog.svelte
+++ b/frontend/src/lib/components/dashboard/invoices/edit/items/fa/country-dialog.svelte
@@ -27,6 +27,8 @@
 			});
 			if (response.ok) {
 				const data = await response.json();
+				console.log('Countries data received:', data);
+				console.log('First country sample:', data[0]);
 				if (Array.isArray(data)) {
 					countries = data;
 				} else if (data.items && Array.isArray(data.items)) {
@@ -35,7 +37,8 @@
 					console.error('Unexpected data format:', data);
 					countries = [];
 				}
-				filteredCountries = countries;				
+				filteredCountries = countries;
+				console.log('Total countries loaded:', countries.length);
 			} else {
 				error = `Error: ${response.status} - ${response.statusText}`;
 				console.error('Error response:', await response.text());
@@ -80,7 +83,7 @@
 </script>
 
 <Dialog.Root bind:open>
-	<Dialog.Content class="max-w-4xl w-full max-h-[85vh] p-0 flex flex-col">
+	<Dialog.Content class="!max-w-[70vw] w-[70vw] max-h-[90vh] p-0 flex flex-col">
 		<Dialog.Header class="px-6 py-4 border-b">
 			<Dialog.Title class="text-lg font-semibold">CATALOGO DE PAISES</Dialog.Title>
 		</Dialog.Header>
@@ -88,7 +91,11 @@
 		<div class="px-6 py-3 border-b bg-zinc-50 dark:bg-zinc-900">
 			<div class="flex items-center gap-2">
 				<Search class="w-4 h-4 text-zinc-400" />
-				<Input bind:value={searchTerm} placeholder="Buscando..." class="flex-1 h-9" />
+				<Input
+					bind:value={searchTerm}
+					placeholder="Buscando..."
+					class="flex-1 h-9"
+				/>
 			</div>
 		</div>
 
@@ -106,7 +113,9 @@
 					<table class="w-full text-sm">
 						<thead class="bg-zinc-900 dark:bg-zinc-800 text-white">
 							<tr>
-								<th class="px-3 py-2 text-left font-semibold border-r border-zinc-700">Clave M3</th>
+								<th class="px-3 py-2 text-left font-semibold border-r border-zinc-700"
+									>Clave M3</th
+								>
 								<th class="px-3 py-2 text-left font-semibold border-r border-zinc-700"
 									>Clave Mexicana</th
 								>
@@ -125,11 +134,11 @@
 									class="border-b hover:bg-zinc-100 dark:hover:bg-zinc-800 cursor-pointer transition-colors"
 									onclick={() => handleSelect(country)}
 								>
-									<td class="px-3 py-2 border-r">{country.m3_key || ''}</td>
-									<td class="px-3 py-2 border-r">{country.mex_key || ''}</td>
-									<td class="px-3 py-2 border-r">{country.description_es || ''}</td>
-									<td class="px-3 py-2 border-r text-center">{country.ame_key || ''}</td>
-									<td class="px-3 py-2">{country.description_en || ''}</td>
+								<td class="px-3 py-2 border-r">{country.m3_key || ''}</td>
+								<td class="px-3 py-2 border-r">{country.mex_key || ''}</td>
+								<td class="px-3 py-2 border-r">{country.description_es || ''}</td>
+								<td class="px-3 py-2 border-r text-center">{country.ame_key || ''}</td>
+								<td class="px-3 py-2">{country.description_en || ''}</td>
 								</tr>
 							{/each}
 							{#if filteredCountries.length === 0}
@@ -143,9 +152,7 @@
 					</table>
 				</div>
 
-				<div
-					class="mt-4 flex items-center justify-between text-sm text-zinc-600 dark:text-zinc-400"
-				>
+				<div class="mt-4 flex items-center justify-between text-sm text-zinc-600 dark:text-zinc-400">
 					<div class="flex items-center gap-4">
 						<button class="px-3 py-1 border rounded hover:bg-zinc-100 dark:hover:bg-zinc-800">
 							&lt;&lt;
diff --git a/frontend/src/lib/components/dashboard/invoices/edit/items/fa/item-sheet-fa.svelte b/frontend/src/lib/components/dashboard/invoices/edit/items/fa/item-sheet-fa.svelte
index 1b31ea0e..5bf87a1c 100644
--- a/frontend/src/lib/components/dashboard/invoices/edit/items/fa/item-sheet-fa.svelte
+++ b/frontend/src/lib/components/dashboard/invoices/edit/items/fa/item-sheet-fa.svelte
@@ -1,13 +1,11 @@
 <script lang="ts">
-    import * as Dialog from '$lib/components/ui/dialog';
+    import * as Sheet from '$lib/components/ui/sheet';
     import * as Tabs from '$lib/components/ui/tabs';
     import { Button } from '$lib/components/ui/button';
     import { Separator } from '$lib/components/ui/separator';
     import { Loader2, Package, Save, X, FileText } from 'lucide-svelte';
     import type { Invoice } from '$lib/api/dashboard/a76/invoices';
     import type { Item } from '$lib/api/dashboard/a76/items';
-    import { useShortcuts } from '$lib/hooks/use-shortcuts';
-    import { obtenerAtajosPestanasItemFa } from '$lib/config/shortcuts/dashboard/invoices/item/fixed_asset';
     
     // Child components
     import MainData from './main-data.svelte';
@@ -26,8 +24,6 @@
         invoice,
         onSave,
         onCancel,
-
-        isTargetingPreset = false,
         isSaving = false
     }: { 
         open: boolean;
@@ -36,87 +32,38 @@
         invoice: Invoice | null;
         onSave: () => void;
         onCancel?: () => void;
-
-        isTargetingPreset?: boolean;
         isSaving?: boolean;
     } = $props();
 
     // Acceso directo a la primera línea para evitar repeticiones en el HTML
     let line = $derived(editingItem.lines?.[0]);
-
-    let activeTab = $state('generales');
-
-    const tabMapping: Record<string, string> = {
-        'tab1': 'generales',
-        'tab2': 'continuacion',
-        'tab3': 'series',
-        'tab4': 'etiquetado',
-        'tab5': 'identificadores'
-    };
-
-    useShortcuts(
-        'Invoice Item Form (Fixed Asset)',
-        obtenerAtajosPestanasItemFa({
-            cambiarPestana: (target) => {
-                const tab = tabMapping[target];
-                if (tab) activeTab = tab;
-            },
-            manejarGuardar: onSave,
-            manejarCancelar: () => onCancel?.()
-        })
-    );
 </script>
 
-<Dialog.Root bind:open={open}>
-    <Dialog.Content class="sm:max-w-6xl max-h-[90vh] p-0 overflow-hidden z-[100] [&>button]:hidden">
-        <div class="bg-white dark:bg-zinc-950 border-b dark:border-zinc-800 px-4 py-3 shadow-sm flex items-start justify-between gap-3">
-            <div class="flex items-center gap-2">
-                <div class="bg-zinc-900 p-1 rounded">
-                    <Package class="w-3.5 h-3.5 text-white" />
-                </div>
-                <div>
-                    <Dialog.Title class="text-sm font-semibold text-zinc-900 dark:text-zinc-100 leading-tight flex items-center gap-2">
-                        {#if isTargetingPreset}
-                            {isEditMode ? 'Editar Item de Plantilla' : 'Nuevo Item para Plantilla'}
-                        {:else}
+<Sheet.Root bind:open={open}>
+    <Sheet.Content side="right" class="w-full sm:max-w-[95vw] lg:max-w-[85vw] xl:max-w-[75vw] p-0 flex flex-col h-full bg-slate-50 dark:bg-black">
+        
+        <header class="bg-white dark:bg-zinc-950 border-b dark:border-zinc-800 px-3 py-1.5 shadow-sm shrink-0">
+            <div class="flex items-center justify-between">
+                <div class="flex items-center gap-2">
+                    <div class="bg-zinc-900 p-1 rounded">
+                        <Package class="w-3.5 h-3.5 text-white" />
+                    </div>
+                    <div>
+                        <Sheet.Title class="text-sm font-semibold text-zinc-900 dark:text-zinc-100 leading-tight">
                             {isEditMode ? 'Editar Partida' : 'Nueva Partida - Activo Fijo'}
-                        {/if}
-                        {#if editingItem.lines && editingItem.lines.length > 1}
-                            <span class="px-1.5 py-0.5 rounded-full bg-blue-100 dark:bg-blue-900/30 text-[10px] text-blue-700 dark:text-blue-300 font-bold border border-blue-200 dark:border-blue-800">
-                                {editingItem.lines.length} lines
-                            </span>
-                        {/if}
-                    </Dialog.Title>
-                    {#if !isTargetingPreset}
+                        </Sheet.Title>
                         <p class="text-[10px] text-muted-foreground flex items-center gap-1.5">
                             Factura: <span class="font-medium text-zinc-700 dark:text-zinc-300">{invoice?.invoice_number || 'N/A'}</span>
                         </p>
-                    {:else}
-                        <p class="text-[10px] text-muted-foreground flex items-center gap-1.5">
-                            <span class="font-medium text-blue-600 dark:text-blue-400 uppercase tracking-wider">Modo Plantilla</span>
-                        </p>
-                    {/if}
+                    </div>
                 </div>
-            </div>
-            <div class="flex items-center gap-2">
-
-                <Button variant="outline" size="sm" onclick={() => onCancel?.()} disabled={isSaving} class="h-7 text-xs px-2">
-                    Cancelar
+                <Button variant="ghost" size="icon" onclick={() => onCancel?.()} class="h-7 w-7 text-zinc-400 hover:text-zinc-600 dark:hover:text-zinc-200 hover:bg-zinc-100 dark:hover:bg-zinc-800">
+                    <X class="w-3.5 h-3.5" />
                 </Button>
-                <Button size="sm" onclick={onSave} disabled={isSaving} class="h-7 text-xs px-2 bg-blue-600 hover:bg-blue-700 dark:bg-blue-600 dark:hover:bg-blue-700 text-white">
-                    {#if isSaving}
-                        <Loader2 class="w-3 h-3 mr-1 animate-spin" />
-                        Guardando...
-                    {:else}
-                        <Save class="w-3 h-3 mr-1" />
-                        {isEditMode ? 'Actualizar' : 'Crear'}
-                    {/if}
-                </Button>
-
             </div>
-        </div>
+        </header>
 
-        <div class="p-3 overflow-y-auto max-h-[calc(90vh-88px)] bg-slate-50/70 dark:bg-black">
+        <div class="flex-1 overflow-y-auto px-2 py-1.5">
             <div class="space-y-2">
                 
                 {#if line}
@@ -152,7 +99,7 @@
                         </div>
                     </div>
 
-                    <Tabs.Root bind:value={activeTab} class="w-full">
+                    <Tabs.Root value="generales" class="w-full">
                         <Tabs.List class="grid w-full grid-cols-5 bg-zinc-100 dark:bg-zinc-800/50 rounded p-0.5 gap-0.5">
                             <Tabs.Trigger value="generales" class="text-xs font-medium py-1.5 px-2 rounded transition-all data-[state=active]:bg-white dark:data-[state=active]:bg-zinc-700 data-[state=active]:shadow-sm data-[state=active]:text-black dark:data-[state=active]:text-white">
                                 General
@@ -216,5 +163,23 @@
                 {/if}
             </div>
         </div>
-    </Dialog.Content>
-</Dialog.Root>
\ No newline at end of file
+
+        <footer class="bg-white dark:bg-zinc-950 border-t border-zinc-200 dark:border-zinc-800 px-3 py-1.5 shadow-sm shrink-0">
+            <div class="flex items-center justify-end gap-1.5">
+                <Button variant="outline" size="sm" onclick={() => onCancel?.()} disabled={isSaving} class="h-7 text-xs px-2">
+                    Cancelar
+                </Button>
+                <Button size="sm" onclick={onSave} disabled={isSaving} class="h-7 text-xs px-2 bg-blue-600 hover:bg-blue-700 dark:bg-blue-600 dark:hover:bg-blue-700 text-white">
+                    {#if isSaving}
+                        <Loader2 class="w-3 h-3 mr-1 animate-spin" />
+                        Guardando...
+                    {:else}
+                        <Save class="w-3 h-3 mr-1" />
+                        {isEditMode ? 'Actualizar' : 'Crear'}
+                    {/if}
+                </Button>
+            </div>
+        </footer>
+
+    </Sheet.Content>
+</Sheet.Root>
\ No newline at end of file
diff --git a/frontend/src/lib/components/dashboard/invoices/edit/items/fa/part-number-dialog.svelte b/frontend/src/lib/components/dashboard/invoices/edit/items/fa/part-number-dialog.svelte
index 90d657f5..bcb53791 100644
--- a/frontend/src/lib/components/dashboard/invoices/edit/items/fa/part-number-dialog.svelte
+++ b/frontend/src/lib/components/dashboard/invoices/edit/items/fa/part-number-dialog.svelte
@@ -24,12 +24,11 @@
 
 	const filteredParts = $derived(
 		searchQuery
-			? parts.filter(
-					(p) =>
-						p.part_number?.toLowerCase().includes(searchQuery.toLowerCase()) ||
-						p.description_spanish?.toLowerCase().includes(searchQuery.toLowerCase()) ||
-						p.description_english?.toLowerCase().includes(searchQuery.toLowerCase())
-				)
+			? parts.filter(p => 
+				p.part_number?.toLowerCase().includes(searchQuery.toLowerCase()) ||
+				p.description_spanish?.toLowerCase().includes(searchQuery.toLowerCase()) ||
+				p.description_english?.toLowerCase().includes(searchQuery.toLowerCase())
+			)
 			: parts
 	);
 
@@ -53,12 +52,15 @@
 
 		isSearching = true;
 		try {
-			const response = await fetch(`/api-sveltekit/parts?company_id=${activeCompanyId}&limit=100`, {
-				method: 'GET',
-				headers: {
-					'Content-Type': 'application/json'
+			const response = await fetch(
+				`/api-sveltekit/parts?company_id=${activeCompanyId}&limit=100`,
+				{
+					method: 'GET',
+					headers: {
+						'Content-Type': 'application/json'
+					}
 				}
-			});
+			);
 
 			if (!response.ok) {
 				throw new Error('Error al buscar números de parte');
@@ -85,9 +87,8 @@
 	function handleScroll(e: Event) {
 		const target = e.target as HTMLDivElement;
 		const threshold = 100;
-		const scrolledToBottom =
-			target.scrollHeight - target.scrollTop - target.clientHeight < threshold;
-
+		const scrolledToBottom = target.scrollHeight - target.scrollTop - target.clientHeight < threshold;
+		
 		if (scrolledToBottom && displayedParts.length < filteredParts.length) {
 			currentPage++;
 			loadMoreParts();
@@ -103,10 +104,12 @@
 </script>
 
 <Dialog.Root bind:open>
-	<Dialog.Content class="max-w-5xl w-full max-h-[90vh] p-0 flex flex-col">
+	<Dialog.Content class="!max-w-[50vw] w-[50vw] max-h-[80vh] flex flex-col">
 		<Dialog.Header>
 			<Dialog.Title>Seleccionar Número de Parte</Dialog.Title>
-			<Dialog.Description>Busca y selecciona un número de parte para la partida</Dialog.Description>
+			<Dialog.Description>
+				Busca y selecciona un número de parte para la partida
+			</Dialog.Description>
 		</Dialog.Header>
 
 		<div class="flex gap-2 mb-4">
@@ -145,18 +148,15 @@
 							</Table.Row>
 						{:else}
 							{#each displayedParts as part}
-								<Table.Row
-									class="cursor-pointer hover:bg-muted/50"
-									onclick={() => handleSelect(part)}
-								>
+								<Table.Row class="cursor-pointer hover:bg-muted/50" onclick={() => handleSelect(part)}>
 									<Table.Cell class="font-medium">{part.part_number}</Table.Cell>
 									<Table.Cell>{part.description_spanish || '-'}</Table.Cell>
-									<Table.Cell class="text-muted-foreground"
-										>{part.description_english || '-'}</Table.Cell
-									>
+									<Table.Cell class="text-muted-foreground">{part.description_english || '-'}</Table.Cell>
 									<Table.Cell class="text-muted-foreground">{part.part_class || '-'}</Table.Cell>
 									<Table.Cell>
-										<Button variant="ghost" size="sm" class="h-8">Seleccionar</Button>
+										<Button variant="ghost" size="sm" class="h-8">
+											Seleccionar
+										</Button>
 									</Table.Cell>
 								</Table.Row>
 							{/each}
diff --git a/frontend/src/lib/components/dashboard/invoices/edit/items/fa/tariff-fraction-dialog.svelte b/frontend/src/lib/components/dashboard/invoices/edit/items/fa/tariff-fraction-dialog.svelte
index 89ce0247..02721e57 100644
--- a/frontend/src/lib/components/dashboard/invoices/edit/items/fa/tariff-fraction-dialog.svelte
+++ b/frontend/src/lib/components/dashboard/invoices/edit/items/fa/tariff-fraction-dialog.svelte
@@ -17,7 +17,7 @@
 	let loadingMore = $state(false);
 	let searchTerm = $state('');
 	let error = $state('');
-
+	
 	// Pagination state
 	let currentPage = $state(1);
 	let totalPages = $state(1);
@@ -34,7 +34,7 @@
 			loadingMore = true;
 		}
 		error = '';
-
+		
 		try {
 			const params = new URLSearchParams({
 				page: page.toString(),
@@ -45,10 +45,11 @@
 			const response = await fetch(`/api-sveltekit/tariff-fractions?${params}`, {
 				credentials: 'include'
 			});
-
+			
 			if (response.ok) {
-				const data = await response.json();				
-
+				const data = await response.json();
+				console.log('Tariff fractions data received:', data);
+				
 				if (data.items && Array.isArray(data.items)) {
 					if (append) {
 						fractions = [...fractions, ...data.items];
@@ -57,7 +58,8 @@
 					}
 					currentPage = data.page;
 					totalPages = data.pages;
-					hasMore = currentPage < totalPages;					
+					hasMore = currentPage < totalPages;
+					console.log(`Loaded page ${currentPage}/${totalPages}, total items: ${fractions.length}`);
 				} else {
 					console.error('Unexpected data format:', data);
 					if (!append) fractions = [];
@@ -77,10 +79,10 @@
 
 	function handleScroll(e: Event) {
 		if (!scrollContainer || loading || loadingMore || !hasMore) return;
-
+		
 		const target = e.target as HTMLDivElement;
 		const scrollBottom = target.scrollHeight - target.scrollTop - target.clientHeight;
-
+		
 		// Load more when within 200px of bottom
 		if (scrollBottom < 200) {
 			loadFractions(currentPage + 1, true);
@@ -118,7 +120,7 @@
 </script>
 
 <Dialog.Root bind:open>
-	<Dialog.Content class="max-w-4xl w-full max-h-[80vh] flex flex-col px-6">
+	<Dialog.Content class="!max-w-[80vw] w-[80vw] max-h-[90vh] p-0 flex flex-col">
 		<Dialog.Header class="px-6 py-4 border-b">
 			<Dialog.Title class="text-lg font-semibold">FRACCIONES ARANCELARIAS</Dialog.Title>
 		</Dialog.Header>
@@ -137,7 +139,11 @@
 			</p>
 		</div>
 
-		<div bind:this={scrollContainer} onscroll={handleScroll} class="flex-1 overflow-auto px-6 py-4">
+		<div 
+			bind:this={scrollContainer}
+			onscroll={handleScroll}
+			class="flex-1 overflow-auto px-6 py-4"
+		>
 			{#if loading}
 				<div class="flex items-center justify-center py-20">
 					<Loader2 class="w-8 h-8 animate-spin text-zinc-900 dark:text-zinc-100" />
@@ -151,12 +157,18 @@
 					<table class="w-full text-sm">
 						<thead class="bg-zinc-900 dark:bg-zinc-800 text-white sticky top-0">
 							<tr>
-								<th class="px-3 py-2 text-left font-semibold border-r border-zinc-700">Código</th>
-								<th class="px-3 py-2 text-left font-semibold border-r border-zinc-700">Fracción</th>
+								<th class="px-3 py-2 text-left font-semibold border-r border-zinc-700"
+									>Código</th
+								>
+								<th class="px-3 py-2 text-left font-semibold border-r border-zinc-700"
+									>Fracción</th
+								>
 								<th class="px-3 py-2 text-left font-semibold border-r border-zinc-700"
 									>Descripción</th
 								>
-								<th class="px-3 py-2 text-left font-semibold border-r border-zinc-700">NICO</th>
+								<th class="px-3 py-2 text-left font-semibold border-r border-zinc-700"
+									>NICO</th
+								>
 								<th class="px-3 py-2 text-left font-semibold">UMT</th>
 							</tr>
 						</thead>
@@ -192,7 +204,9 @@
 				{/if}
 
 				{#if !hasMore && fractions.length > 0}
-					<div class="text-center py-4 text-sm text-zinc-500">Todos los resultados cargados</div>
+					<div class="text-center py-4 text-sm text-zinc-500">
+						Todos los resultados cargados
+					</div>
 				{/if}
 			{/if}
 		</div>
diff --git a/frontend/src/lib/components/dashboard/invoices/edit/items/fa/unit-of-measure-dialog.svelte b/frontend/src/lib/components/dashboard/invoices/edit/items/fa/unit-of-measure-dialog.svelte
index f62aa919..55dab050 100644
--- a/frontend/src/lib/components/dashboard/invoices/edit/items/fa/unit-of-measure-dialog.svelte
+++ b/frontend/src/lib/components/dashboard/invoices/edit/items/fa/unit-of-measure-dialog.svelte
@@ -27,7 +27,8 @@
 				credentials: 'include'
 			});
 			if (response.ok) {
-				const data = await response.json();				
+				const data = await response.json();
+				console.log('Units data received:', data);
 				// El backend puede devolver { items: [...] } o directamente un array
 				if (Array.isArray(data)) {
 					units = data;
@@ -83,7 +84,7 @@
 </script>
 
 <Dialog.Root bind:open>
-	<Dialog.Content class="max-w-4xl w-full max-h-[90vh] p-0 flex flex-col">
+	<Dialog.Content class="!max-w-[70vw] w-[70vw] max-h-[90vh] p-0 flex flex-col">
 		<Dialog.Header class="px-6 py-4 border-b">
 			<Dialog.Title class="text-lg font-semibold">CATALOGOS DE UNIDADES DE MEDIDA</Dialog.Title>
 		</Dialog.Header>
@@ -91,7 +92,11 @@
 		<div class="px-6 py-3 border-b bg-zinc-50 dark:bg-zinc-900">
 			<div class="flex items-center gap-2">
 				<Search class="w-4 h-4 text-zinc-400" />
-				<Input bind:value={searchTerm} placeholder="Buscando..." class="flex-1 h-9" />
+				<Input
+					bind:value={searchTerm}
+					placeholder="Buscando..."
+					class="flex-1 h-9"
+				/>
 			</div>
 		</div>
 
@@ -109,7 +114,9 @@
 					<table class="w-full text-sm">
 						<thead class="bg-zinc-900 dark:bg-zinc-800 text-white">
 							<tr>
-								<th class="px-3 py-2 text-left font-semibold border-r border-zinc-700">U.M.</th>
+								<th class="px-3 py-2 text-left font-semibold border-r border-zinc-700"
+									>U.M.</th
+								>
 								<th class="px-3 py-2 text-left font-semibold border-r border-zinc-700"
 									>Descripción Español</th
 								>
@@ -150,9 +157,7 @@
 					</table>
 				</div>
 
-				<div
-					class="mt-4 flex items-center justify-between text-sm text-zinc-600 dark:text-zinc-400"
-				>
+				<div class="mt-4 flex items-center justify-between text-sm text-zinc-600 dark:text-zinc-400">
 					<div class="flex items-center gap-4">
 						<button class="px-3 py-1 border rounded hover:bg-zinc-100 dark:hover:bg-zinc-800">
 							&lt;&lt;
diff --git a/frontend/src/lib/components/dashboard/invoices/edit/items/inv/item-sheet-inv.svelte b/frontend/src/lib/components/dashboard/invoices/edit/items/inv/item-sheet-inv.svelte
index 3a6954bc..0729433b 100644
--- a/frontend/src/lib/components/dashboard/invoices/edit/items/inv/item-sheet-inv.svelte
+++ b/frontend/src/lib/components/dashboard/invoices/edit/items/inv/item-sheet-inv.svelte
@@ -1,5 +1,5 @@
 <script lang="ts">
-	import * as Dialog from '$lib/components/ui/dialog';
+	import * as Sheet from '$lib/components/ui/sheet';
 	import * as Tabs from '$lib/components/ui/tabs';
 	import { Input } from '$lib/components/ui/input';
 	import { Label } from '$lib/components/ui/label';
@@ -60,25 +60,29 @@
 	// Initialize missing nested objects if they don't exist
 	$effect(() => {
 		if (open && editingItem) {
-			if (!editingItem.lines) editingItem.lines = [{}];
-			if (!editingItem.lines[0].quantity) editingItem.lines[0].quantity = {};
-			if (!editingItem.lines[0].financial) editingItem.lines[0].financial = {};
-			if (!editingItem.lines[0].customs) editingItem.lines[0].customs = {};
-			if (!editingItem.lines[0].description) editingItem.lines[0].description = {};
+			if (!editingItem.lines) editingItem.lines = [{ line_number: 1 } as any];
+			if (editingItem.lines[0] && !editingItem.lines[0].quantity)
+				editingItem.lines[0].quantity = {} as any;
+			if (editingItem.lines[0] && !editingItem.lines[0].financial)
+				editingItem.lines[0].financial = {} as any;
+			if (editingItem.lines[0] && !editingItem.lines[0].customs)
+				editingItem.lines[0].customs = {} as any;
+			if (editingItem.lines[0] && !editingItem.lines[0].description)
+				editingItem.lines[0].description = {} as any;
 		}
 	});
 </script>
 
-<Dialog.Root bind:open>
-	<Dialog.Content class="sm:max-w-5xl max-h-[90vh] p-0 overflow-hidden z-[100] [&>button]:hidden">
+<Sheet.Root bind:open>
+	<Sheet.Content side="right" class="w-[50vw] overflow-hidden p-0 sm:max-w-none">
 		<div
-			class="px-6 py-4 border-b bg-white dark:bg-zinc-950 flex items-start justify-between gap-3"
+			class="flex items-start justify-between gap-3 border-b bg-white px-6 py-4 dark:bg-zinc-950"
 		>
 			<div class="space-y-1">
-				<Dialog.Title class="text-lg font-semibold">
+				<Sheet.Title class="text-lg font-semibold">
 					{isEditMode ? 'Editar Item' : 'Agregar Nuevo Item'} - SCAII (Inventario)
-				</Dialog.Title>
-				<Dialog.Description class="text-sm text-muted-foreground">
+				</Sheet.Title>
+				<Sheet.Description class="text-sm text-muted-foreground">
 					{isEditMode
 						? 'Modifica los campos del inventario y guarda los cambios.'
 						: 'Completa la información del nuevo item de inventario.'}
@@ -87,13 +91,13 @@
 							{editingItem.lines.length} items en esta partida
 						</Badge>
 					{/if}
-				</Dialog.Description>
+				</Sheet.Description>
 			</div>
 			<div class="flex gap-2">
 				<Button variant="outline" onclick={() => onCancel?.()} disabled={isSaving}>Cancelar</Button>
 				<Button onclick={onSave} disabled={isSaving}>
 					{#if isSaving}
-						<Loader2 class="w-4 h-4 mr-2 animate-spin" />
+						<Loader2 class="mr-2 h-4 w-4 animate-spin" />
 						Guardando...
 					{:else}
 						{isEditMode ? 'Guardar Cambios' : 'Agregar Item'}
@@ -102,7 +106,7 @@
 			</div>
 		</div>
 
-		<div class="p-6 overflow-auto max-h-[calc(90vh-96px)] bg-slate-50/60 dark:bg-black">
+		<div class="max-h-[calc(90vh-96px)] overflow-auto bg-slate-50/60 p-6 dark:bg-black">
 			<Tabs.Root bind:value={activeTab} class="mt-0">
 				<Tabs.List class="grid w-full grid-cols-4">
 					<Tabs.Trigger value="general">General</Tabs.Trigger>
@@ -112,13 +116,13 @@
 				</Tabs.List>
 
 				<!-- Tab: General -->
-				<Tabs.Content value="general" class="space-y-4 mt-4">
+				<Tabs.Content value="general" class="mt-4 space-y-4">
 					<!-- Información de la Factura (Solo lectura) -->
 					{#if !isTargetingPreset}
-						<div class="rounded-lg border bg-muted/50 p-4 space-y-3">
+						<div class="space-y-3 rounded-lg border bg-muted/50 p-4">
 							<h4 class="text-sm font-medium">Información de la Factura (SCAII - Inventario)</h4>
 							{#if !invoice?.id}
-								<div class="text-sm text-amber-600 bg-amber-50 dark:bg-amber-950/20 p-3 rounded">
+								<div class="rounded bg-amber-50 p-3 text-sm text-amber-600 dark:bg-amber-950/20">
 									⚠️ Esta factura aún no se ha guardado. Los items se asociarán cuando guardes la
 									factura.
 								</div>
@@ -139,7 +143,7 @@
 									</div>
 									<div class="col-span-2">
 										<span class="text-muted-foreground">Sistema:</span>
-										<span class="ml-2 font-medium bg-blue-100 dark:bg-blue-900/30 px-2 py-1 rounded"
+										<span class="ml-2 rounded bg-blue-100 px-2 py-1 font-medium dark:bg-blue-900/30"
 											>SCAII (Inventory)</span
 										>
 									</div>
@@ -207,7 +211,7 @@
 				</Tabs.Content>
 
 				<!-- Tab: Clasificación -->
-				<Tabs.Content value="clasificacion" class="space-y-4 mt-4">
+				<Tabs.Content value="clasificacion" class="mt-4 space-y-4">
 					<div class="space-y-4">
 						<div class="space-y-2">
 							<Label for="tariff_fraction">Fracción Arancelaria</Label>
@@ -223,21 +227,21 @@
 						<div class="grid grid-cols-2 gap-4">
 							<div class="space-y-2">
 								<Label for="product_type">Tipo de Producto</Label>
-								{#if line}
+								{#if line?.description}
 									<Input
 										id="product_type"
 										placeholder="Materia prima, producto terminado, etc."
-										bind:value={line.description.extra_description_2}
+									bind:value={(line.description as any).extra_description_2}
 									/>
 								{/if}
 							</div>
 							<div class="space-y-2">
 								<Label for="material_type">Tipo de Material</Label>
-								{#if line}
+								{#if line?.description}
 									<Input
 										id="material_type"
 										placeholder="Metal, plástico, etc."
-										bind:value={line.description.extra_description_3}
+									bind:value={(line.description as any).extra_description_3}
 									/>
 								{/if}
 							</div>
@@ -262,7 +266,7 @@
 				</Tabs.Content>
 
 				<!-- Tab: Cantidades -->
-				<Tabs.Content value="cantidades" class="space-y-4 mt-4">
+				<Tabs.Content value="cantidades" class="mt-4 space-y-4">
 					<div class="space-y-4">
 						<div class="grid grid-cols-2 gap-4">
 							<div class="space-y-2">
@@ -350,7 +354,7 @@
 										id="packages"
 										type="number"
 										placeholder="0"
-										bind:value={line.quantity.packages}
+										bind:value={(line.quantity as any).packages}
 									/>
 								{/if}
 							</div>
@@ -360,7 +364,7 @@
 									<Input
 										id="package_type"
 										placeholder="Caja, pallet, etc."
-										bind:value={line.quantity.package_type}
+									bind:value={(line.quantity as any).package_type}
 									/>
 								{/if}
 							</div>
@@ -374,7 +378,7 @@
 										id="imported_quantity"
 										type="number"
 										placeholder="0"
-										bind:value={line.quantity.quantity_imported}
+									bind:value={(line.quantity as any).quantity_imported}
 									/>
 								{/if}
 							</div>
@@ -385,7 +389,8 @@
 										id="remaining_quantity"
 										type="number"
 										placeholder="0"
-										value={(line.quantity.quantity || 0) - (line.quantity.quantity_imported || 0)}
+										value={(line.quantity.quantity || 0) -
+											((line.quantity as any).quantity_imported || 0)}
 										disabled
 									/>
 								{/if}
@@ -395,7 +400,7 @@
 				</Tabs.Content>
 
 				<!-- Tab: Otros -->
-				<Tabs.Content value="otros" class="space-y-4 mt-4">
+				<Tabs.Content value="otros" class="mt-4 space-y-4">
 					<div class="space-y-4">
 						<div class="space-y-2">
 							<Label for="brand">Marca</Label>
@@ -435,7 +440,7 @@
 							{#if line?.description}
 								<textarea
 									id="observations"
-									class="flex min-h-[80px] w-full rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50"
+									class="flex min-h-[80px] w-full rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background placeholder:text-muted-foreground focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 focus-visible:outline-none disabled:cursor-not-allowed disabled:opacity-50"
 									placeholder="Notas adicionales sobre el inventario..."
 									bind:value={line.description.extra_description}
 								></textarea>
@@ -445,5 +450,5 @@
 				</Tabs.Content>
 			</Tabs.Root>
 		</div>
-	</Dialog.Content>
-</Dialog.Root>
+	</Sheet.Content>
+</Sheet.Root>