diff --git a/frontend/src/lib/components/dashboard/classes/create-edit-dialog.svelte b/frontend/src/lib/components/dashboard/classes/create-edit-dialog.svelte
deleted file mode 100644
index 6f9572cd..00000000
--- a/frontend/src/lib/components/dashboard/classes/create-edit-dialog.svelte
+++ /dev/null
@@ -1,520 +0,0 @@
-<script lang="ts">
-	import { Button } from "$lib/components/ui/button";
-	import * as Dialog from "$lib/components/ui/dialog";
-	import { Input } from "$lib/components/ui/input";
-	import { Label } from "$lib/components/ui/label";
-	import { Textarea } from "$lib/components/ui/textarea";
-	import * as Select from "$lib/components/ui/select";
-	import { classesApi, type A76Class, type A76ClassCreate, type A76ClassUpdate } from "$lib/api/dashboard/a76/classes";
-	import { materialTypesApi, type MaterialType } from "$lib/api/dashboard/refrence_data/material_types";
-	import { clientsProvidersApi, type ClientProvider } from "$lib/api/dashboard/a76/clients-providers";
-	import { companyStore } from "$lib/stores/company.svelte";
-	import { onMount } from 'svelte';
-
-	let {
-		open = $bindable(false),
-		item = null,
-		onSuccess
-	}: {
-		open: boolean;
-		item?: A76Class | null;
-		onSuccess?: () => void;
-	} = $props();
-
-	// Determinar si es modo edición o creación
-	const isEdit = $derived(!!item);
-	const title = $derived(isEdit ? "Editar Clase" : "Nueva Clase");
-
-	// Estado del formulario
-	let formData = $state({
-		client_id: item?.client_id || null,
-		class_code: item?.class_code || '',
-		description_es: item?.description_es || '',
-		description_en: item?.description_en || '',
-		material_key: item?.material_key || '',
-		unit_of_measure: item?.unit_of_measure || 'KG',
-		fraction: item?.fraction || '',
-		us_fraction: item?.us_fraction || '',
-		sub_key: item?.sub_key || '',
-		physical_review: item?.physical_review || 0,
-		iva_exempt_fraction: item?.iva_exempt_fraction || ''
-	});
-
-	let loading = $state(false);
-	let error = $state<string | null>(null);
-	let materialTypes = $state<MaterialType[]>([]);
-	let loadingMaterialTypes = $state(false);
-	let clients = $state<ClientProvider[]>([]);
-	let loadingClients = $state(false);
-	
-	// Variables para controlar los selects
-	let selectedUnitValue = $state<string>('KG');
-	let selectedMaterialValue = $state<string>('');
-	let selectedPhysicalReviewValue = $state<number>(0);
-
-	// Cargar tipos de materiales y clientes al montar
-	onMount(async () => {
-		const companyId = companyStore.activeCompany?.id;
-		if (!companyId) return;
-
-		// Cargar tipos de materiales
-		loadingMaterialTypes = true;
-		try {
-			const response = await materialTypesApi.list(1, 100);
-			if (response.data) {
-				materialTypes = response.data.items;
-			}
-		} catch (e) {
-			console.error('Error loading material types:', e);
-		} finally {
-			loadingMaterialTypes = false;
-		}
-
-		// Cargar clientes
-		loadingClients = true;
-		try {
-			const response = await clientsProvidersApi.list(companyId, 1, 500);
-			if (response.data) {
-				clients = response.data.items;
-			}
-		} catch (e) {
-			console.error('Error loading clients:', e);
-		} finally {
-			loadingClients = false;
-		}
-	});
-
-	// Resetear formulario cuando cambia el item
-	$effect(() => {
-		if (item) {
-			formData = {
-				client_id: item.client_id,
-				class_code: item.class_code,
-				description_es: item.description_es || '',
-				description_en: item.description_en || '',
-				material_key: item.material_key || '',
-				unit_of_measure: item.unit_of_measure,
-				fraction: item.fraction,
-				us_fraction: item.us_fraction,
-				sub_key: item.sub_key,
-				physical_review: item.physical_review,
-				iva_exempt_fraction: item.iva_exempt_fraction
-			};
-			// Actualizar valores de los selects
-			selectedUnitValue = item.unit_of_measure;
-			selectedMaterialValue = item.material_key || '';
-			selectedPhysicalReviewValue = item.physical_review;
-		} else {
-			// Reset para modo crear
-			formData = {
-				client_id: null,
-				class_code: '',
-				description_es: '',
-				description_en: '',
-				material_key: '',
-				unit_of_measure: 'KG',
-				fraction: '',
-				us_fraction: '',
-				sub_key: '',
-				physical_review: 0,
-				iva_exempt_fraction: ''
-			};
-			// Resetear valores de los selects
-			selectedUnitValue = 'KG';
-			selectedMaterialValue = '';
-			selectedPhysicalReviewValue = 0;
-		}
-		error = null;
-	});
-
-	function handleOpenChange(newOpen: boolean) {
-		open = newOpen;
-		if (!newOpen) {
-			error = null;
-		}
-	}
-
-	async function handleSubmit(e: Event) {
-		e.preventDefault();
-		
-		const companyId = companyStore.activeCompany?.id;
-		if (!companyId) {
-			error = 'No hay compañía seleccionada';
-			return;
-		}
-
-		// Validaciones básicas
-		if (!formData.client_id) {
-			error = 'Debes seleccionar un cliente';
-			return;
-		}
-		if (!formData.class_code.trim()) {
-			error = 'El código de clase es requerido';
-			return;
-		}
-		if (!formData.fraction.trim()) {
-			error = 'La fracción es requerida';
-			return;
-		}
-		if (!formData.us_fraction.trim()) {
-			error = 'La fracción US es requerida';
-			return;
-		}
-		if (!formData.sub_key.trim()) {
-			error = 'La subclave es requerida';
-			return;
-		}
-		if (!formData.iva_exempt_fraction.trim()) {
-			error = 'La fracción exenta de IVA es requerida';
-			return;
-		}
-
-		loading = true;
-		error = null;
-
-		try {
-			let response;
-
-			if (isEdit && item) {
-				// Actualizar
-				const updateData: A76ClassUpdate = {
-					client_id: formData.client_id!,
-					class_code: formData.class_code,
-					description_es: formData.description_es || null,
-					description_en: formData.description_en || null,
-					material_key: formData.material_key || null,
-					unit_of_measure: formData.unit_of_measure,
-					fraction: formData.fraction,
-					us_fraction: formData.us_fraction,
-					sub_key: formData.sub_key,
-					physical_review: formData.physical_review,
-					iva_exempt_fraction: formData.iva_exempt_fraction
-				};
-				response = await classesApi.update(item.id, updateData, companyId);
-			} else {
-				// Crear con el client_id seleccionado
-				const createData: A76ClassCreate = {
-					company_id: companyId,
-					client_id: formData.client_id!,
-					class_code: formData.class_code,
-					description_es: formData.description_es || null,
-					description_en: formData.description_en || null,
-					material_key: formData.material_key || null,
-					unit_of_measure: formData.unit_of_measure,
-					fraction: formData.fraction,
-					us_fraction: formData.us_fraction,
-					sub_key: formData.sub_key,
-					physical_review: formData.physical_review,
-					iva_exempt_fraction: formData.iva_exempt_fraction
-				};
-				response = await classesApi.create(createData, companyId);
-			}
-
-			if (response.error) {
-				error = response.error;
-				return;
-			}
-
-			// Éxito
-			open = false;
-			if (onSuccess) {
-				onSuccess();
-			}
-		} catch (e) {
-			error = e instanceof Error ? e.message : 'Error al guardar';
-			console.error('Error saving class:', e);
-		} finally {
-			loading = false;
-		}
-	}
-
-	// Opciones de unidades de medida (puedes expandir esto)
-	const unitOptions = [
-		{ value: 'KG', label: 'Kilogramos (KG)' },
-		{ value: 'LB', label: 'Libras (LB)' },
-		{ value: 'MT', label: 'Metros (MT)' },
-		{ value: 'PZ', label: 'Piezas (PZ)' },
-		{ value: 'LT', label: 'Litros (LT)' },
-		{ value: 'M3', label: 'Metros Cúbicos (M3)' },
-		{ value: 'TON', label: 'Toneladas (TON)' }
-	];
-
-	// Funciones para obtener valores seleccionados
-	function getSelectedMaterialType() {
-		if (!formData.material_key) return null;
-		const found = materialTypes.find(mt => mt.key === formData.material_key);
-		return found ? { value: found.key, label: `${found.key} - ${found.description}` } : null;
-	}
-
-	function getSelectedUnit() {
-		return unitOptions.find(opt => opt.value === formData.unit_of_measure) || unitOptions[0];
-	}
-
-	function getSelectedPhysicalReview() {
-		return { value: formData.physical_review, label: formData.physical_review === 1 ? 'Sí' : 'No' };
-	}
-</script>
-
-<Dialog.Root bind:open onOpenChange={handleOpenChange}>
-	<Dialog.Content class="sm:max-w-[600px] max-h-[90vh] overflow-y-auto">
-		<Dialog.Header>
-			<Dialog.Title>{title}</Dialog.Title>
-			<Dialog.Description>
-				{isEdit ? 'Modifica los datos de la clase' : 'Completa los datos para crear una nueva clase'}
-			</Dialog.Description>
-		</Dialog.Header>
-
-		<form onsubmit={handleSubmit} class="space-y-4 py-4">
-			<!-- Error Message -->
-			{#if error}
-				<div class="rounded-md bg-destructive/10 p-3 text-sm text-destructive">
-					{error}
-				</div>
-			{/if}
-
-			<!-- Información de la compañía (solo lectura) -->
-			{#if companyStore.activeCompany}
-				<div class="rounded-md bg-blue-50 border border-blue-200 p-3">
-					<div class="flex items-center gap-2">
-						<svg
-							xmlns="http://www.w3.org/2000/svg"
-							width="16"
-							height="16"
-							viewBox="0 0 24 24"
-							fill="none"
-							stroke="currentColor"
-							stroke-width="2"
-							stroke-linecap="round"
-							stroke-linejoin="round"
-							class="text-blue-600"
-						>
-							<path d="M3 9l9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z" />
-							<polyline points="9 22 9 12 15 12 15 22" />
-						</svg>
-						<div>
-							<p class="text-sm font-medium text-blue-900">
-								{companyStore.activeCompany.name}
-							</p>
-							<p class="text-xs text-blue-600">
-								ID: {companyStore.activeCompany.id}
-							</p>
-						</div>
-					</div>
-				</div>
-			{/if}
-
-			<!-- Cliente -->
-			<div class="space-y-2">
-				<Label for="client_id" class="required">Cliente</Label>
-				{#if loadingClients}
-					<div class="flex items-center gap-2 text-sm text-muted-foreground">
-						<div class="h-4 w-4 animate-spin rounded-full border-2 border-primary border-t-transparent"></div>
-						Cargando clientes...
-					</div>
-				{:else if clients.length > 0}
-					<select 
-						bind:value={formData.client_id}
-						disabled={loading}
-						class="border-input bg-background selection:bg-primary dark:bg-input/30 selection:text-primary-foreground ring-offset-background placeholder:text-muted-foreground shadow-xs flex h-9 w-full min-w-0 rounded-md border px-3 py-1 text-base outline-none transition-[color,box-shadow] disabled:cursor-not-allowed disabled:opacity-50 md:text-sm focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive"
-					>
-						<option value="">Selecciona un cliente</option>
-						{#each clients as client}
-							<option value={client.id}>
-								{client.name} ({client.rfc})
-							</option>
-						{/each}
-					</select>
-				{:else}
-					<div class="text-sm text-muted-foreground">
-						No hay clientes disponibles
-					</div>
-				{/if}
-			</div>
-
-			<!-- Código de Clase -->
-			<div class="space-y-2">
-				<Label for="class_code" class="required">Código de Clase</Label>
-				<Input
-					id="class_code"
-					bind:value={formData.class_code}
-					placeholder="Ej: A76"
-					required
-					disabled={loading}
-				/>
-			</div>
-
-			<!-- Descripciones -->
-			<div class="grid grid-cols-1 md:grid-cols-2 gap-4">
-				<div class="space-y-2">
-					<Label for="description_es">Descripción (Español)</Label>
-					<Textarea
-						id="description_es"
-						bind:value={formData.description_es}
-						placeholder="Descripción en español"
-						disabled={loading}
-						rows={3}
-					/>
-				</div>
-
-				<div class="space-y-2">
-					<Label for="description_en">Descripción (Inglés)</Label>
-					<Textarea
-						id="description_en"
-						bind:value={formData.description_en}
-						placeholder="English description"
-						disabled={loading}
-						rows={3}
-					/>
-				</div>
-			</div>
-
-			<!-- Material Type -->
-			<div class="space-y-2">
-				<Label for="material_key">Tipo de Material</Label>
-				{#if loadingMaterialTypes}
-					<div class="flex items-center gap-2 text-sm text-muted-foreground">
-						<div class="h-4 w-4 animate-spin rounded-full border-2 border-primary border-t-transparent"></div>
-						Cargando tipos de material...
-					</div>
-				{:else if materialTypes.length > 0}
-					<select 
-						bind:value={formData.material_key}
-						disabled={loading}
-						class="border-input bg-background selection:bg-primary dark:bg-input/30 selection:text-primary-foreground ring-offset-background placeholder:text-muted-foreground shadow-xs flex h-9 w-full min-w-0 rounded-md border px-3 py-1 text-base outline-none transition-[color,box-shadow] disabled:cursor-not-allowed disabled:opacity-50 md:text-sm focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive"
-					>
-						<option value="">Sin tipo de material</option>
-						{#each materialTypes as materialType}
-							<option value={materialType.key}>
-								{materialType.key} - {materialType.description}
-							</option>
-						{/each}
-					</select>
-				{:else}
-					<Input
-						id="material_key"
-						bind:value={formData.material_key}
-						placeholder="No hay tipos de material disponibles"
-						disabled={true}
-					/>
-				{/if}
-			</div>
-
-			<!-- Fracciones -->
-			<div class="grid grid-cols-1 md:grid-cols-2 gap-4">
-				<div class="space-y-2">
-					<Label for="fraction" class="required">Fracción</Label>
-					<Input
-						id="fraction"
-						bind:value={formData.fraction}
-						placeholder="Ej: 123123"
-						required
-						disabled={loading}
-					/>
-				</div>
-
-				<div class="space-y-2">
-					<Label for="us_fraction" class="required">Fracción US</Label>
-					<Input
-						id="us_fraction"
-						bind:value={formData.us_fraction}
-						placeholder="Ej: 123123"
-						required
-						disabled={loading}
-					/>
-				</div>
-			</div>
-
-			<!-- Sub Key e IVA Exempt -->
-			<div class="grid grid-cols-1 md:grid-cols-2 gap-4">
-				<div class="space-y-2">
-					<Label for="sub_key" class="required">Subclave</Label>
-					<Input
-						id="sub_key"
-						bind:value={formData.sub_key}
-						placeholder="Ej: 123"
-						required
-						disabled={loading}
-					/>
-				</div>
-
-				<div class="space-y-2">
-					<Label for="iva_exempt_fraction" class="required">Fracción Exenta IVA</Label>
-					<Input
-						id="iva_exempt_fraction"
-						bind:value={formData.iva_exempt_fraction}
-						placeholder="Ej: 123"
-						required
-						disabled={loading}
-					/>
-				</div>
-			</div>
-
-			<!-- Unidad de Medida -->
-			<div class="space-y-2">
-				<Label for="unit_of_measure" class="required">Unidad de Medida</Label>
-				<select 
-					bind:value={formData.unit_of_measure}
-					disabled={loading}
-					class="border-input bg-background selection:bg-primary dark:bg-input/30 selection:text-primary-foreground ring-offset-background placeholder:text-muted-foreground shadow-xs flex h-9 w-full min-w-0 rounded-md border px-3 py-1 text-base outline-none transition-[color,box-shadow] disabled:cursor-not-allowed disabled:opacity-50 md:text-sm focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive"
-				>
-					{#each unitOptions as unit}
-						<option value={unit.value}>{unit.label}</option>
-					{/each}
-				</select>
-			</div>
-
-			<!-- Revisión Física -->
-			<div class="space-y-2">
-				<Label for="physical_review">Revisión Física</Label>
-				<select 
-					bind:value={formData.physical_review}
-					disabled={loading}
-					class="border-input bg-background selection:bg-primary dark:bg-input/30 selection:text-primary-foreground ring-offset-background placeholder:text-muted-foreground shadow-xs flex h-9 w-full min-w-0 rounded-md border px-3 py-1 text-base outline-none transition-[color,box-shadow] disabled:cursor-not-allowed disabled:opacity-50 md:text-sm focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive"
-				>
-					<option value={0}>No</option>
-					<option value={1}>Sí</option>
-				</select>
-			</div>
-
-			<Dialog.Footer>
-				<Button type="button" variant="outline" onclick={() => (open = false)} disabled={loading}>
-					Cancelar
-				</Button>
-				<Button type="submit" disabled={loading}>
-					{#if loading}
-						<svg
-							class="mr-2 h-4 w-4 animate-spin"
-							xmlns="http://www.w3.org/2000/svg"
-							fill="none"
-							viewBox="0 0 24 24"
-						>
-							<circle
-								class="opacity-25"
-								cx="12"
-								cy="12"
-								r="10"
-								stroke="currentColor"
-								stroke-width="4"
-							></circle>
-							<path
-								class="opacity-75"
-								fill="currentColor"
-								d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
-							></path>
-						</svg>
-						Guardando...
-					{:else}
-						{isEdit ? 'Actualizar' : 'Crear'}
-					{/if}
-				</Button>
-			</Dialog.Footer>
-		</form>
-	</Dialog.Content>
-</Dialog.Root>
-
-<style>
-	:global(.required::after) {
-		content: " *";
-		color: hsl(var(--destructive));
-	}
-</style>
diff --git a/frontend/src/lib/components/dashboard/classes/forms/FixedAssetClassForm.svelte b/frontend/src/lib/components/dashboard/classes/forms/FixedAssetClassForm.svelte
deleted file mode 100644
index 16632751..00000000
--- a/frontend/src/lib/components/dashboard/classes/forms/FixedAssetClassForm.svelte
+++ /dev/null
@@ -1,1177 +0,0 @@
-<script lang="ts">
-	import { Button } from '$lib/components/ui/button';
-	import { Input } from '$lib/components/ui/input';
-	import { Label } from '$lib/components/ui/label';
-	import * as Dialog from '$lib/components/ui/dialog';
-	import { Folder } from 'lucide-svelte';
-	import { toast } from 'svelte-sonner';
-	import { materialTypesApi, type MaterialType } from '$lib/api/dashboard/refrence_data/material_types';
-	import { getTariffFractions, type TariffFraction } from '$lib/api/dashboard/a76/general_catalogs/tariff-fractions';
-	import { getUSTariffFractions, type USTariffFraction } from '$lib/api/dashboard/a76/general_catalogs/us-tariff-fractions';
-	import { getDepreciationCatalog, type DepreciationCatalog } from '$lib/api/dashboard/a76/general_catalogs/depreciation-catalog';
-	import { getFDACatalog, type FDACatalog } from '$lib/api/dashboard/a76/general_catalogs/fda-catalog';
-	import { companyStore } from '$lib/stores/company.svelte';
-
-	interface Props {
-		onSave?: (data: any) => void;
-		onCancel?: () => void;
-		initialData?: any;
-		externalError?: string;
-		onClearError?: () => void;
-	}
-
-	let { onSave, onCancel, initialData, externalError = '', onClearError }: Props = $props();
-
-	// Tipo para unidad de medida con todos los campos
-	interface UnitOfMeasure {
-		code: string;
-		description: string;
-		descriptionEnglish: string;
-		claveMexicana: string;
-		claveAmericana: string;
-		claveACE: string;
-		claveOMA: string;
-	}
-
-	// Datos de unidades de medida
-	const unitsOfMeasureData: UnitOfMeasure[] = [
-		{ code: 'BARR', description: 'BARRIL', descriptionEnglish: 'BARREL', claveMexicana: '8', claveAmericana: 'BBL', claveACE: '', claveOMA: 'BLL' },
-		{ code: 'BD FT', description: 'PIE TABLA', descriptionEnglish: 'BD FEET', claveMexicana: '5', claveAmericana: 'FT', claveACE: '', claveOMA: 'BFT' },
-		{ code: 'BOLS', description: 'BOLSA', descriptionEnglish: 'BAG', claveMexicana: '6', claveAmericana: 'PCS', claveACE: '', claveOMA: 'BG' },
-		{ code: 'KGS', description: 'KILOGRAMOS', descriptionEnglish: 'KGS', claveMexicana: '1', claveAmericana: 'KG2', claveACE: '', claveOMA: 'KGM' },
-		{ code: 'PZA', description: 'PIEZA', descriptionEnglish: 'PCS', claveMexicana: '6', claveAmericana: 'PCS', claveACE: '', claveOMA: 'C62_1' },
-	];
-
-	// Estado del formulario
-	let formData = $state({
-		class_code: initialData?.class_code || '',
-		description_es: initialData?.description_es || '',
-		description_en: initialData?.description_en || '',
-		material_key: initialData?.material_key || '',
-		unit_of_measure: initialData?.unit_of_measure || '',
-		fraction: initialData?.fraction || '',
-		us_fraction: initialData?.us_fraction || '',
-		annual_depreciation_rate: initialData?.annual_depreciation_rate || '',
-		fda_key: initialData?.fda_key || '',
-		eccn_code: initialData?.eccn_code || '',
-		iva_exempt_fraction: initialData?.iva_exempt_fraction || false,
-		physical_review: initialData?.physical_review || false,
-		carta_porte_code: initialData?.carta_porte_code || '',
-		// Campos de tarifas de importación/exportación
-		import_tariff_code: initialData?.import_tariff_code || '',
-		import_tariff_type: initialData?.import_tariff_type || '',
-		export_tariff_code: initialData?.export_tariff_code || '',
-		export_tariff_type: initialData?.export_tariff_type || '',
-		// Campos calculados/display
-		material_description: '',
-		unit_of_measure_description: '',
-		unit_measure_key: '',
-		fraction_umt: '',
-		fraction_uma_key: '',
-		us_fraction_ad_valorem: '',
-		us_fraction_fixed_rate: ''
-	});
-
-	// Reactively update formData when initialData changes
-	$effect(() => {
-		if (initialData) {
-			// Tomar snapshot para evitar referencias reactivas
-			const snap = $state.snapshot(initialData);
-			
-			// Usar ?? para manejar null/undefined correctamente (evita que inputs pasen de controlado a no controlado)
-			formData.class_code = snap.class_code ?? '';
-			formData.description_es = snap.description_es ?? '';
-			formData.description_en = snap.description_en ?? '';
-			formData.material_key = snap.material_key ?? '';
-			formData.unit_of_measure = snap.unit_of_measure ?? '';
-			formData.fraction = snap.fraction ?? '';
-			formData.us_fraction = snap.us_fraction ?? '';
-			// Mapear depreciation_rate a annual_depreciation_rate si existe (números pueden ser null)
-			formData.annual_depreciation_rate = snap.depreciation_rate ?? snap.annual_depreciation_rate ?? null;
-			// Mapear fda_code a fda_key si existe
-			formData.fda_key = snap.fda_code ?? snap.fda_key ?? '';
-			formData.eccn_code = snap.eccn_code ?? '';
-			formData.iva_exempt_fraction = snap.iva_exempt_fraction ?? false;
-			formData.physical_review = snap.physical_review ?? false;
-			formData.carta_porte_code = snap.carta_porte_code ?? '';
-			formData.import_tariff_code = snap.import_tariff_code ?? '';
-			formData.import_tariff_type = snap.import_tariff_type ?? '';
-			formData.export_tariff_code = snap.export_tariff_code ?? '';
-			formData.export_tariff_type = snap.export_tariff_type ?? '';
-			
-			console.log('FormData updated with initialData snapshot:', formData);
-		} else {
-			// Reset form when initialData is null (new class)
-			formData.class_code = '';
-			formData.description_es = '';
-			formData.description_en = '';
-			formData.material_key = '';
-			formData.unit_of_measure = '';
-			formData.fraction = '';
-			formData.us_fraction = '';
-			formData.annual_depreciation_rate = '';
-			formData.fda_key = '';
-			formData.eccn_code = '';
-			formData.iva_exempt_fraction = false;
-			formData.physical_review = false;
-			formData.carta_porte_code = '';
-			formData.import_tariff_code = '';
-			formData.import_tariff_type = '';
-			formData.export_tariff_code = '';
-			formData.export_tariff_type = '';
-			
-			console.log('FormData reset for new class');
-		}
-	});
-
-	// Estado de validación
-	let validationErrors = $state<Record<string, string>>({});
-	let showErrors = $state(false);
-
-	// Estado de diálogos
-	let showMaterialDialog = $state(false);
-	let materialTypes = $state<MaterialType[]>([]);
-	let searchMaterial = $state('');
-
-	let showUnitDialog = $state(false);
-	let searchUnit = $state('');
-
-	let showFractionDialog = $state(false);
-	let tariffFractions = $state<TariffFraction[]>([]);
-	let searchFraction = $state('');
-	let currentPage = $state(1);
-	let totalFractions = $state(0);
-	let hasMoreFractions = $state(true);
-	let isLoadingFractions = $state(false);
-	let searchTimeout: ReturnType<typeof setTimeout>;
-
-	let showUSFractionDialog = $state(false);
-	let usTariffFractions = $state<USTariffFraction[]>([]);
-	let searchUSFraction = $state('');
-	let currentUSPage = $state(1);
-	let totalUSFractions = $state(0);
-	let hasMoreUSFractions = $state(true);
-	let isLoadingUSFractions = $state(false);
-
-	let showDepreciationDialog = $state(false);
-	let depreciationCatalog = $state<DepreciationCatalog[]>([]);
-	let searchDepreciation = $state('');
-	let currentDepreciationPage = $state(1);
-	let totalDepreciation = $state(0);
-	let hasMoreDepreciation = $state(true);
-	let isLoadingDepreciation = $state(false);
-
-	let showFDADialog = $state(false);
-	let fdaCatalog = $state<FDACatalog[]>([]);
-	let searchFDA = $state('');
-	let currentFDAPage = $state(1);
-	let totalFDA = $state(0);
-	let hasMoreFDA = $state(true);
-	let isLoadingFDA = $state(false);
-
-	let showCartaPorteDialog = $state(false);
-	let cartaPorteCatalog = $state<any[]>([]);
-	let searchCartaPorte = $state('');
-
-	// Computed values
-	let filteredMaterialTypes = $derived(
-		searchMaterial
-			? materialTypes.filter(
-					(m) =>
-						m.key.toLowerCase().includes(searchMaterial.toLowerCase()) ||
-						m.description.toLowerCase().includes(searchMaterial.toLowerCase())
-				)
-			: materialTypes
-	);
-
-	let filteredUnits = $derived(
-		searchUnit
-			? unitsOfMeasureData.filter(
-					(u) =>
-						u.code.toLowerCase().includes(searchUnit.toLowerCase()) ||
-						u.description.toLowerCase().includes(searchUnit.toLowerCase())
-				)
-			: unitsOfMeasureData
-	);
-
-	// Funciones
-	async function openMaterialSearch() {
-		showMaterialDialog = true;
-		searchMaterial = '';
-		if (materialTypes.length === 0) {
-			try {
-				const companyId = companyStore.activeCompany?.id;
-				if (!companyId) return;
-				const response = await materialTypesApi.list(1, 1000);
-				if (response.data) {
-					materialTypes = response.data.items;
-				}
-			} catch (error) {
-				console.error('Error cargando material types:', error);
-			}
-		}
-	}
-
-	function selectMaterial(material: MaterialType) {
-		formData.material_key = material.key;
-		formData.material_description = material.description;
-		showMaterialDialog = false;
-		searchMaterial = '';
-	}
-
-	async function openUnitOfMeasureSearch() {
-		showUnitDialog = true;
-		searchUnit = '';
-	}
-
-	function selectUnit(unit: UnitOfMeasure) {
-		formData.unit_of_measure = unit.code;
-		formData.unit_of_measure_description = unit.description;
-		formData.unit_measure_key = unit.claveMexicana;
-		showUnitDialog = false;
-		searchUnit = '';
-	}
-
-	async function openFractionSearch() {
-		showFractionDialog = true;
-		searchFraction = '';
-		tariffFractions = [];
-		currentPage = 1;
-		totalFractions = 0;
-		hasMoreFractions = true;
-		await loadFractions('', 1);
-	}
-
-	async function loadFractions(search: string, page: number = currentPage) {
-		const companyId = companyStore.activeCompany?.id;
-		if (!companyId || isLoadingFractions) return;
-
-		isLoadingFractions = true;
-		try {
-			const filters = search ? { search } : {};
-			const pageSize = 100;
-			
-			const response = await getTariffFractions(page, pageSize, companyId, filters);
-			
-			if (response.data) {
-				if (page === 1) {
-					tariffFractions = [...response.data.items];
-				} else {
-					tariffFractions = [...tariffFractions, ...response.data.items];
-				}
-				
-				totalFractions = response.data.total;
-				currentPage = page;
-				hasMoreFractions = tariffFractions.length < response.data.total;
-			}
-		} catch (error) {
-			console.error('Error cargando fracciones arancelarias:', error);
-		} finally {
-			isLoadingFractions = false;
-		}
-	}
-
-	function selectFraction(fraction: TariffFraction) {
-		formData.fraction = fraction.fraction;
-		formData.fraction_umt = (fraction.umt ?? '') as string;
-		formData.fraction_uma_key = (fraction.nico ?? '') as string;
-		// Actualizar tarifa de importación
-		formData.import_tariff_code = fraction.fraction || '';
-		formData.import_tariff_type = (fraction.umt ?? '') as string;
-		showFractionDialog = false;
-		searchFraction = '';
-	}
-
-	async function openUSFractionSearch() {
-		showUSFractionDialog = true;
-		searchUSFraction = '';
-		usTariffFractions = [];
-		currentUSPage = 1;
-		totalUSFractions = 0;
-		hasMoreUSFractions = true;
-		await loadUSFractions('', 1);
-	}
-
-	async function loadUSFractions(search: string, page: number = currentUSPage) {
-		const companyId = companyStore.activeCompany?.id;
-		if (!companyId || isLoadingUSFractions) return;
-
-		isLoadingUSFractions = true;
-		try {
-			const filters = search ? { search } : {};
-			const pageSize = 100;
-			
-			const response = await getUSTariffFractions(page, pageSize, companyId, filters);
-			
-			if (response.data) {
-				if (page === 1) {
-					usTariffFractions = [...response.data.items];
-				} else {
-					usTariffFractions = [...usTariffFractions, ...response.data.items];
-				}
-				
-				totalUSFractions = response.data.total;
-				currentUSPage = page;
-				hasMoreUSFractions = usTariffFractions.length < response.data.total;
-			}
-		} catch (error) {
-			console.error('Error cargando fracciones americanas:', error);
-		} finally {
-			isLoadingUSFractions = false;
-		}
-	}
-
-	function selectUSFraction(fraction: USTariffFraction) {
-		formData.us_fraction = fraction.code;
-		formData.us_fraction_ad_valorem = fraction.ad_valorem?.toString() || '0.00';
-		formData.us_fraction_fixed_rate = fraction.fixed_cost?.toString() || '0.00000000';
-		// Actualizar tarifa de exportación
-		formData.export_tariff_code = fraction.code || '';
-		formData.export_tariff_type = 'HTS'; // Harmonized Tariff Schedule
-		showUSFractionDialog = false;
-		searchUSFraction = '';
-	}
-
-	async function openDepreciationSearch() {
-		showDepreciationDialog = true;
-		searchDepreciation = '';
-		depreciationCatalog = [];
-		currentDepreciationPage = 1;
-		totalDepreciation = 0;
-		hasMoreDepreciation = true;
-		await loadDepreciation('', 1);
-	}
-
-	async function loadDepreciation(search: string, page: number = currentDepreciationPage) {
-		const companyId = companyStore.activeCompany?.id;
-		if (!companyId || isLoadingDepreciation) return;
-
-		isLoadingDepreciation = true;
-		try {
-			const filters = search ? { search } : {};
-			const pageSize = 100;
-			
-			const response = await getDepreciationCatalog(page, pageSize, companyId, filters);
-			
-			if (response.data) {
-				if (page === 1) {
-					depreciationCatalog = [...response.data.items];
-				} else {
-					depreciationCatalog = [...depreciationCatalog, ...response.data.items];
-				}
-				
-				totalDepreciation = response.data.total;
-				currentDepreciationPage = page;
-				hasMoreDepreciation = depreciationCatalog.length < response.data.total;
-			}
-		} catch (error) {
-			console.error('Error cargando catálogo de depreciación:', error);
-		} finally {
-			isLoadingDepreciation = false;
-		}
-	}
-
-	function selectDepreciation(item: DepreciationCatalog) {
-		formData.annual_depreciation_rate = item.depreciation_rate?.toString() || '';
-		showDepreciationDialog = false;
-		searchDepreciation = '';
-	}
-
-	async function openFDASearch() {
-		showFDADialog = true;
-		searchFDA = '';
-		fdaCatalog = [];
-		currentFDAPage = 1;
-		totalFDA = 0;
-		hasMoreFDA = true;
-		await loadFDA('', 1);
-	}
-
-	async function loadFDA(search: string, page: number = currentFDAPage) {
-		const companyId = companyStore.activeCompany?.id;
-		if (!companyId || isLoadingFDA) return;
-
-		isLoadingFDA = true;
-		try {
-			const filters = search ? { search } : {};
-			const pageSize = 100;
-			
-			const response = await getFDACatalog(page, pageSize, companyId, filters);
-			
-			if (response.data) {
-				if (page === 1) {
-					fdaCatalog = [...response.data.items];
-				} else {
-					fdaCatalog = [...fdaCatalog, ...response.data.items];
-				}
-				
-				totalFDA = response.data.total;
-				currentFDAPage = page;
-				hasMoreFDA = fdaCatalog.length < response.data.total;
-			}
-		} catch (error) {
-			console.error('Error cargando catálogo FDA:', error);
-		} finally {
-			isLoadingFDA = false;
-		}
-	}
-
-	function selectFDA(item: FDACatalog) {
-		formData.fda_key = item.fda_key || '';
-		showFDADialog = false;
-		searchFDA = '';
-	}
-
-	async function openCartaPorteSearch() {
-		showCartaPorteDialog = true;
-		searchCartaPorte = '';
-	}
-
-	// Función de validación
-	function validateForm(): boolean {
-		const errors: Record<string, string> = {};
-		
-		if (!formData.class_code?.trim()) {
-			errors.class_code = 'El código de clase es obligatorio';
-		}
-		
-		if (!formData.description_es?.trim()) {
-			errors.description_es = 'La descripción en español es obligatoria';
-		}
-		
-		if (!formData.material_key?.trim()) {
-			errors.material_key = 'El tipo de activo fijo es obligatorio';
-		}
-		
-		if (!formData.unit_of_measure?.trim()) {
-			errors.unit_of_measure = 'La unidad de medida comercial es obligatoria';
-		}
-		
-		if (!formData.fraction?.trim()) {
-			errors.fraction = 'La fracción arancelaria es obligatoria';
-		}
-		
-		validationErrors = errors;
-		return Object.keys(errors).length === 0;
-	}
-
-	// Validar campo individual (para validación en blur)
-	function validateField(fieldName: string) {
-		if (!showErrors) return; // Solo validar si ya se intentó guardar
-		
-		const errors = { ...validationErrors };
-		
-		switch (fieldName) {
-			case 'class_code':
-				if (!formData.class_code?.trim()) {
-					errors.class_code = 'El código de clase es obligatorio';
-				} else {
-					delete errors.class_code;
-				}
-				break;
-			case 'description_es':
-				if (!formData.description_es?.trim()) {
-					errors.description_es = 'La descripción en español es obligatoria';
-				} else {
-					delete errors.description_es;
-				}
-				break;
-			case 'material_key':
-				if (!formData.material_key?.trim()) {
-					errors.material_key = 'El tipo de activo fijo es obligatorio';
-				} else {
-					delete errors.material_key;
-				}
-				break;
-			case 'unit_of_measure':
-				if (!formData.unit_of_measure?.trim()) {
-					errors.unit_of_measure = 'La unidad de medida comercial es obligatoria';
-				} else {
-					delete errors.unit_of_measure;
-				}
-				break;
-			case 'fraction':
-				if (!formData.fraction?.trim()) {
-					errors.fraction = 'La fracción arancelaria es obligatoria';
-				} else {
-					delete errors.fraction;
-				}
-				break;
-		}
-		
-		validationErrors = errors;
-	}
-
-	function handleSave() {
-		// Activar visualización de errores
-		showErrors = true;
-		
-		// Validar formulario
-		if (!validateForm()) {
-			console.log('Validación fallida:', validationErrors);
-			toast.error('Por favor, complete todos los campos obligatorios');
-			return;
-		}
-		
-		// Tomamos una copia muerta de los datos actuales
-		const dataToSave = $state.snapshot(formData); 
-		
-		console.log('Enviando datos al padre:', dataToSave);
-		
-		// Ejecutamos el onSave pasándole la copia
-		if (onSave) {
-			onSave(dataToSave); 
-		}
-	}
-	
-	function handleCancel() {
-		if (onCancel) {
-			onCancel();
-		}
-	}
-
-	// Escuchar el evento de guardado del padre
-	if (typeof document !== 'undefined') {
-		document.addEventListener('save-form', handleSave);
-	}
-</script>
-
-<div class="space-y-3">
-	<!-- Clase y Requiere Revisión Física -->
-	<div class="flex gap-4 items-end">
-		<div class="flex-1 space-y-2">
-			<Label for="class_code" class="font-bold">
-				Clase: <span class="text-red-500">*</span>
-			</Label>
-			<Input
-				id="class_code"
-				bind:value={formData.class_code}
-				placeholder="Ingrese código de clase"
-				class="uppercase {validationErrors.class_code ? 'border-red-500 focus-visible:ring-red-500' : ''}"
-				maxlength={8}
-				oninput={() => {
-					// Limpiar error local si existe
-					if (validationErrors.class_code) {
-						const errors = { ...validationErrors };
-						delete errors.class_code;
-						validationErrors = errors;
-					}
-				}}
-				onblur={() => validateField('class_code')}
-			/>
-			{#if validationErrors.class_code}
-				<p class="text-sm text-red-500 mt-1">{validationErrors.class_code}</p>
-			{/if}
-		</div>
-		<div class="flex items-center space-x-2 pb-2">
-			<input
-				id="physical_review"
-				type="checkbox"
-				bind:checked={formData.physical_review}
-				class="h-4 w-4 rounded border-gray-300"
-			/>
-			<Label for="physical_review" class="!m-0 cursor-pointer font-normal">
-				Requiere Revisión Física
-			</Label>
-		</div>
-	</div>
-
-	<!-- Descripción en Español -->
-	<div class="space-y-2">
-		<Label for="description_es" class="font-bold">
-			Descripción en Español: <span class="text-red-500">*</span>
-		</Label>
-		<Input
-			id="description_es"
-			bind:value={formData.description_es}
-			placeholder="Descripción en español"
-			class={validationErrors.description_es ? 'border-red-500 focus-visible:ring-red-500' : ''}
-			maxlength={500}
-			onblur={() => validateField('description_es')}
-		/>
-		{#if validationErrors.description_es}
-			<p class="text-sm text-red-500 mt-1">{validationErrors.description_es}</p>
-		{/if}
-	</div>
-
-	<!-- Descripción en Inglés -->
-	<div class="space-y-2">
-		<Label for="description_en">Descripción en Inglés:</Label>
-		<Input
-			id="description_en"
-			bind:value={formData.description_en}
-			placeholder="Descripción en inglés"
-			maxlength={500}
-		/>
-	</div>
-
-	<!-- Tipo de Activo Fijo -->
-	<div class="space-y-2">
-		<Label for="material_key" class="font-bold">
-			Tipo de Activo Fijo: <span class="text-red-500">*</span>
-		</Label>
-		<div class="flex gap-2 items-center">
-			<Input
-				id="material_key"
-				bind:value={formData.material_key}
-				placeholder="Código"
-				class="flex-1 uppercase {validationErrors.material_key ? 'border-red-500 focus-visible:ring-red-500' : ''}"
-				maxlength={10}
-				onblur={() => validateField('material_key')}
-			/>
-			<Button type="button" variant="outline" size="icon" onclick={openMaterialSearch}>
-				<Folder class="h-4 w-4" />
-			</Button>
-			<span class="text-blue-600 hover:underline cursor-pointer">
-				{formData.material_description || ''}
-			</span>
-		</div>
-		{#if validationErrors.material_key}
-			<p class="text-sm text-red-500 mt-1">{validationErrors.material_key}</p>
-		{/if}
-	</div>
-
-	<!-- U.M. Comercial -->
-	<div class="space-y-2">
-		<Label for="unit_of_measure" class="font-bold">
-			U.M. Comercial: <span class="text-red-500">*</span>
-		</Label>
-		<div class="flex gap-2 items-center">
-			<Input
-				id="unit_of_measure"
-				bind:value={formData.unit_of_measure}
-				placeholder="UM"
-				class="flex-1 uppercase {validationErrors.unit_of_measure ? 'border-red-500 focus-visible:ring-red-500' : ''}"
-				maxlength={5}
-				onblur={() => validateField('unit_of_measure')}
-			/>
-			<Button type="button" variant="outline" size="icon" onclick={openUnitOfMeasureSearch}>
-				<Folder class="h-4 w-4" />
-			</Button>
-			<span class="text-blue-600 hover:underline cursor-pointer">
-				{formData.unit_of_measure_description || ''}
-			</span>
-			<span class="text-sm text-muted-foreground ml-auto">
-				Clave U.M.A: {formData.unit_measure_key || ''}
-			</span>
-		</div>
-		{#if validationErrors.unit_of_measure}
-			<p class="text-sm text-red-500 mt-1">{validationErrors.unit_of_measure}</p>
-		{/if}
-	</div>
-
-	<!-- Fracción Arancelaria -->
-	<div class="space-y-2">
-		<Label for="fraction" class="font-bold">
-			Fracción Arancelaria: <span class="text-red-500">*</span>
-		</Label>
-		<div class="flex gap-2 items-center">
-			<Input
-				id="fraction"
-				bind:value={formData.fraction}
-				placeholder="Fracción"
-				class="flex-1 {validationErrors.fraction ? 'border-red-500 focus-visible:ring-red-500' : ''}"
-				maxlength={10}
-				onblur={() => validateField('fraction')}
-			/>
-			<Button type="button" variant="outline" size="icon" onclick={openFractionSearch}>
-				<Folder class="h-4 w-4" />
-			</Button>
-			<span class="text-sm text-muted-foreground">
-				U.M.T: {formData.fraction_umt || ''}
-			</span>
-			<span class="text-sm text-muted-foreground ml-auto">
-				Clave U.M.A: {formData.fraction_uma_key || ''}
-			</span>
-		</div>
-		{#if validationErrors.fraction}
-			<p class="text-sm text-red-500 mt-1">{validationErrors.fraction}</p>
-		{/if}
-	</div>
-
-	<!-- Fracción Americana -->
-	<div class="space-y-2">
-		<Label for="us_fraction">Fracción Americana:</Label>
-		<div class="flex gap-2 items-center">
-			<Input
-				id="us_fraction"
-				bind:value={formData.us_fraction}
-				placeholder="Fracción americana"
-				class="flex-1"
-				maxlength={16}
-			/>
-			<Button type="button" variant="outline" size="icon" onclick={openUSFractionSearch}>
-				<Folder class="h-4 w-4" />
-			</Button>
-			<span class="text-sm text-muted-foreground">
-				Ad/valorem: {formData.us_fraction_ad_valorem || '0.00'}
-			</span>
-			<span class="text-sm text-muted-foreground ml-auto">
-				Tasa Fija: {formData.us_fraction_fixed_rate || '0.00000000'}
-			</span>
-		</div>
-	</div>
-
-	<!-- Tasa Anual de depreciación -->
-	<div class="space-y-2">
-		<Label for="annual_depreciation_rate">Tasa Anual de depreciación:</Label>
-		<div class="flex gap-2 items-center">
-			<Input
-				id="annual_depreciation_rate"
-				type="number"
-				bind:value={formData.annual_depreciation_rate}
-				placeholder="0.00"
-				class="flex-1"
-				step="0.01"
-			/>
-			<span class="text-sm">%</span>
-			<Button type="button" variant="outline" size="icon" onclick={openDepreciationSearch}>
-				<Folder class="h-4 w-4" />
-			</Button>
-			<div class="flex items-center gap-2 ml-4">
-				<Label for="eccn" class="whitespace-nowrap">ECCN:</Label>
-				<Input
-					id="eccn"
-					bind:value={formData.eccn_code}
-					placeholder="ECCN"
-					class="w-32"
-				/>
-			</div>
-		</div>
-	</div>
-
-	<!-- Clave FDA -->
-	<div class="space-y-2">
-		<Label for="fda_key">Clave FDA:</Label>
-		<div class="flex gap-2">
-			<Input
-				id="fda_key"
-				bind:value={formData.fda_key}
-				placeholder="Clave FDA"
-				class="flex-1"
-			/>
-			<Button type="button" variant="outline" size="icon" onclick={openFDASearch}>
-				<Folder class="h-4 w-4" />
-			</Button>
-		</div>
-	</div>
-
-	<!-- Fracción Exenta de IVA -->
-	<div class="space-y-2">
-		<Label class="font-bold">Fracción Exenta de IVA:</Label>
-		<div class="flex gap-8">
-			<div class="flex items-center space-x-2">
-				<input
-					id="iva_exempt_yes"
-					type="radio"
-					name="iva_exempt"
-					checked={formData.iva_exempt_fraction === true}
-					onchange={() => (formData.iva_exempt_fraction = true)}
-					class="h-4 w-4"
-				/>
-				<Label for="iva_exempt_yes" class="!m-0 cursor-pointer font-normal">Sí</Label>
-			</div>
-			<div class="flex items-center space-x-2">
-				<input
-					id="iva_exempt_no"
-					type="radio"
-					name="iva_exempt"
-					checked={formData.iva_exempt_fraction === false}
-					onchange={() => (formData.iva_exempt_fraction = false)}
-					class="h-4 w-4"
-				/>
-				<Label for="iva_exempt_no" class="!m-0 cursor-pointer font-normal">No</Label>
-			</div>
-		</div>
-	</div>
-
-	<!-- Código Carta Porte -->
-	<div class="space-y-2">
-		<Label for="carta_porte_code">Código Carta Porte:</Label>
-		<div class="flex gap-2">
-			<Input
-				id="carta_porte_code"
-				bind:value={formData.carta_porte_code}
-				placeholder="Código carta porte"
-				class="flex-1"
-			/>
-			<Button type="button" variant="outline" size="icon" onclick={openCartaPorteSearch}>
-			<Folder class="h-4 w-4" />
-			</Button>
-		</div>
-	</div>
-</div>
-
-<!-- Diálogos -->
-<!-- Dialog: Material Types -->
-<Dialog.Root bind:open={showMaterialDialog}>
-	<Dialog.Content class="max-w-2xl">
-		<Dialog.Header>
-			<Dialog.Title>CATALOGO DE ACTIVO FIJO</Dialog.Title>
-		</Dialog.Header>
-		<div class="space-y-4">
-			<div>
-				<Label for="search_material">Buscando:</Label>
-				<Input
-					id="search_material"
-					bind:value={searchMaterial}
-					placeholder="Buscar por clave o descripción..."
-					class="mt-1"
-				/>
-			</div>
-			<div class="border rounded-md max-h-96 overflow-auto">
-				<table class="w-full">
-					<thead class="bg-white dark:bg-black text-gray-900 dark:text-white border-b sticky top-0">
-						<tr>
-							<th class="px-4 py-2 text-left font-semibold">Clave</th>
-							<th class="px-4 py-2 text-left font-semibold">Descripción</th>
-						</tr>
-					</thead>
-					<tbody>
-						{#each filteredMaterialTypes as material (material.key)}
-							<tr
-								class="border-b hover:bg-gray-100 dark:hover:bg-gray-700 cursor-pointer transition-colors"
-								onclick={() => selectMaterial(material)}
-							>
-								<td class="px-4 py-2">{material.key}</td>
-								<td class="px-4 py-2">{material.description}</td>
-							</tr>
-						{/each}
-					</tbody>
-				</table>
-			</div>
-		</div>
-		<Dialog.Footer>
-			<Button variant="outline" onclick={() => (showMaterialDialog = false)}>Cerrar</Button>
-		</Dialog.Footer>
-	</Dialog.Content>
-</Dialog.Root>
-
-<!-- Dialog: Unidades de Medida -->
-<Dialog.Root bind:open={showUnitDialog}>
-	<Dialog.Content class="max-w-4xl">
-		<Dialog.Header>
-			<Dialog.Title>UNIDADES DE MEDIDA</Dialog.Title>
-		</Dialog.Header>
-		<div class="space-y-4">
-			<div>
-				<Label for="search_unit">Buscando:</Label>
-				<Input
-					id="search_unit"
-					bind:value={searchUnit}
-					placeholder="Buscar por código o descripción..."
-					class="mt-1"
-				/>
-			</div>
-			<div class="border rounded-md max-h-96 overflow-auto">
-				<table class="w-full text-sm">
-					<thead class="bg-white dark:bg-black text-gray-900 dark:text-white border-b sticky top-0">
-						<tr>
-							<th class="px-3 py-2 text-left font-semibold">Código</th>
-							<th class="px-3 py-2 text-left font-semibold">Descripción</th>
-							<th class="px-3 py-2 text-left font-semibold">Description (English)</th>
-							<th class="px-3 py-2 text-left font-semibold">Clave Mexicana</th>
-						</tr>
-					</thead>
-					<tbody>
-						{#each filteredUnits as unit (unit.code)}
-							<tr
-								class="border-b hover:bg-gray-100 dark:hover:bg-gray-700 cursor-pointer transition-colors"
-								onclick={() => selectUnit(unit)}
-							>
-								<td class="px-3 py-2">{unit.code}</td>
-								<td class="px-3 py-2">{unit.description}</td>
-								<td class="px-3 py-2">{unit.descriptionEnglish}</td>
-								<td class="px-3 py-2">{unit.claveMexicana}</td>
-							</tr>
-						{/each}
-					</tbody>
-				</table>
-			</div>
-		</div>
-		<Dialog.Footer>
-			<Button variant="outline" onclick={() => (showUnitDialog = false)}>Cerrar</Button>
-		</Dialog.Footer>
-	</Dialog.Content>
-</Dialog.Root>
-
-<!-- Dialog: Buscar fracción arancelaria -->
-<Dialog.Root bind:open={showFractionDialog}>
-	<Dialog.Content class="!max-w-[70vw] !w-[70vw]">
-		<Dialog.Header>
-			<Dialog.Title>CATALOGO DE FRACCIONES SITAR - SCAII</Dialog.Title>
-		</Dialog.Header>
-		<div class="space-y-4">
-			<div>
-				<Label for="search_fraction">Buscando:</Label>
-				<Input
-					id="search_fraction"
-					bind:value={searchFraction}
-					placeholder="Buscar por fracción, descripción, NICO..."
-					class="mt-1"
-				/>
-			</div>
-			<div class="border rounded-md max-h-[600px] overflow-y-auto overflow-x-auto">
-				<table class="w-full">
-					<thead class="bg-white dark:bg-black text-gray-900 dark:text-white border-b sticky top-0">
-						<tr>
-							<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">Fracción</th>
-							<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">NICO</th>
-							<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">Descripción</th>
-							<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">U.M.T</th>
-						</tr>
-					</thead>
-					<tbody>
-						{#each tariffFractions as fraction (fraction.code)}
-							<tr
-								class="border-b hover:bg-gray-100 dark:hover:bg-gray-700 cursor-pointer transition-colors"
-								onclick={() => selectFraction(fraction)}
-							>
-								<td class="px-4 py-2 whitespace-nowrap">{fraction.fraction}</td>
-								<td class="px-4 py-2 whitespace-nowrap">{fraction.nico}</td>
-								<td class="px-4 py-2">{fraction.description}</td>
-								<td class="px-4 py-2 whitespace-nowrap">{fraction.umt}</td>
-							</tr>
-						{:else}
-							<tr>
-								<td colspan="4" class="px-4 py-8 text-center text-muted-foreground">
-									{#if isLoadingFractions}
-										Cargando fracciones...
-									{:else}
-										No hay fracciones disponibles
-									{/if}
-								</td>
-							</tr>
-						{/each}
-					</tbody>
-				</table>
-			</div>
-		</div>
-		<Dialog.Footer>
-			<Button variant="outline" onclick={() => (showFractionDialog = false)}>Cerrar</Button>
-		</Dialog.Footer>
-	</Dialog.Content>
-</Dialog.Root>
-
-<!-- Dialog: Buscar fracción americana -->
-<Dialog.Root bind:open={showUSFractionDialog}>
-	<Dialog.Content class="!max-w-[70vw] !w-[70vw]">
-		<Dialog.Header>
-			<Dialog.Title>CATALOGO DE FRACCIONES AMERICANAS</Dialog.Title>
-		</Dialog.Header>
-		<div class="space-y-4">
-			<div>
-				<Label for="search_us_fraction">Buscando:</Label>
-				<Input
-					id="search_us_fraction"
-					bind:value={searchUSFraction}
-					placeholder="Buscar por fracción, descripción..."
-					class="mt-1"
-				/>
-			</div>
-			<div class="border rounded-md max-h-[600px] overflow-y-auto overflow-x-auto">
-				<table class="w-full">
-					<thead class="bg-white dark:bg-black text-gray-900 dark:text-white border-b sticky top-0">
-						<tr>
-							<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">Código</th>
-							<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">Prefijo</th>
-							<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">Ad valorem</th>
-							<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">Costo Fijo</th>
-							<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">Descripción</th>
-						</tr>
-					</thead>
-					<tbody>
-						{#each usTariffFractions as fraction (fraction.id)}
-							<tr
-								class="border-b hover:bg-gray-100 dark:hover:bg-gray-700 cursor-pointer transition-colors"
-								onclick={() => selectUSFraction(fraction)}
-							>
-								<td class="px-4 py-2 whitespace-nowrap">{fraction.code}</td>
-								<td class="px-4 py-2 whitespace-nowrap">{fraction.prefix || ''}</td>
-								<td class="px-4 py-2 whitespace-nowrap">{fraction.ad_valorem || '0.00'}</td>
-								<td class="px-4 py-2 whitespace-nowrap">{fraction.fixed_cost || '0.00'}</td>
-								<td class="px-4 py-2">{fraction.description || ''}</td>
-							</tr>
-						{:else}
-							<tr>
-								<td colspan="5" class="px-4 py-8 text-center text-muted-foreground">
-									{#if isLoadingUSFractions}
-										Cargando fracciones...
-									{:else}
-										No hay fracciones disponibles
-									{/if}
-								</td>
-							</tr>
-						{/each}
-					</tbody>
-				</table>
-			</div>
-		</div>
-		<Dialog.Footer>
-			<Button variant="outline" onclick={() => (showUSFractionDialog = false)}>Cerrar</Button>
-		</Dialog.Footer>
-	</Dialog.Content>
-</Dialog.Root>
-
-<!-- Dialog: Buscar depreciación -->
-<Dialog.Root bind:open={showDepreciationDialog}>
-	<Dialog.Content class="!max-w-[70vw] !w-[70vw]">
-		<Dialog.Header>
-			<Dialog.Title>CATALOGO DE DEPRECIACION</Dialog.Title>
-		</Dialog.Header>
-		<div class="space-y-4">
-			<div>
-				<Label for="search_depreciation">Buscando:</Label>
-				<Input
-					id="search_depreciation"
-					bind:value={searchDepreciation}
-					placeholder="Buscar por fracción o descripción..."
-					class="mt-1"
-				/>
-			</div>
-			<div class="border rounded-md max-h-[600px] overflow-y-auto overflow-x-auto">
-				<table class="w-full">
-					<thead class="bg-white dark:bg-black text-gray-900 dark:text-white border-b sticky top-0">
-						<tr>
-							<th class="px-4 py-2 text-left font-semibold">Fracción</th>
-							<th class="px-4 py-2 text-left font-semibold">Descripción</th>
-							<th class="px-4 py-2 text-left font-semibold">% Depreciación</th>
-						</tr>
-					</thead>
-					<tbody>
-						{#each depreciationCatalog as item (item.id)}
-							<tr
-								class="border-b hover:bg-gray-100 dark:hover:bg-gray-700 cursor-pointer transition-colors"
-								onclick={() => selectDepreciation(item)}
-							>
-								<td class="px-4 py-2">{item.fraction}</td>
-								<td class="px-4 py-2">{item.description}</td>
-								<td class="px-4 py-2">{item.depreciation_rate}%</td>
-							</tr>
-						{:else}
-							<tr>
-								<td colspan="3" class="px-4 py-8 text-center text-muted-foreground">
-									{#if isLoadingDepreciation}
-										Cargando...
-									{:else}
-										No hay registros disponibles
-									{/if}
-								</td>
-							</tr>
-						{/each}
-					</tbody>
-				</table>
-			</div>
-		</div>
-		<Dialog.Footer>
-			<Button variant="outline" onclick={() => (showDepreciationDialog = false)}>Cerrar</Button>
-		</Dialog.Footer>
-	</Dialog.Content>
-</Dialog.Root>
-
-<!-- Dialog: Buscar FDA -->
-<Dialog.Root bind:open={showFDADialog}>
-	<Dialog.Content class="!max-w-[70vw] !w-[70vw]">
-		<Dialog.Header>
-			<Dialog.Title>CATALOGO FDA</Dialog.Title>
-		</Dialog.Header>
-		<div class="space-y-4">
-			<div>
-				<Label for="search_fda">Buscando:</Label>
-				<Input
-					id="search_fda"
-					bind:value={searchFDA}
-					placeholder="Buscar por clave FDA o descripción..."
-					class="mt-1"
-				/>
-			</div>
-			<div class="border rounded-md max-h-[600px] overflow-y-auto overflow-x-auto">
-				<table class="w-full">
-					<thead class="bg-white dark:bg-black text-gray-900 dark:text-white border-b sticky top-0">
-						<tr>
-							<th class="px-4 py-2 text-left font-semibold">Clave FDA</th>
-							<th class="px-4 py-2 text-left font-semibold">Descripción</th>
-						</tr>
-					</thead>
-					<tbody>
-						{#each fdaCatalog as item (item.id)}
-							<tr
-								class="border-b hover:bg-gray-100 dark:hover:bg-gray-700 cursor-pointer transition-colors"
-								onclick={() => selectFDA(item)}
-							>
-								<td class="px-4 py-2">{item.fda_key}</td>
-								<td class="px-4 py-2">{item.description}</td>
-							</tr>
-						{:else}
-							<tr>
-								<td colspan="2" class="px-4 py-8 text-center text-muted-foreground">
-									{#if isLoadingFDA}
-										Cargando...
-									{:else}
-										No hay registros disponibles
-									{/if}
-								</td>
-							</tr>
-						{/each}
-					</tbody>
-				</table>
-			</div>
-		</div>
-		<Dialog.Footer>
-			<Button variant="outline" onclick={() => (showFDADialog = false)}>Cerrar</Button>
-		</Dialog.Footer>
-	</Dialog.Content>
-</Dialog.Root>
-
-<!-- Dialog: Buscar Carta Porte -->
-<Dialog.Root bind:open={showCartaPorteDialog}>
-	<Dialog.Content class="!max-w-[70vw] !w-[70vw]">
-		<Dialog.Header>
-			<Dialog.Title>CATALOGO DE CARTA PORTE</Dialog.Title>
-		</Dialog.Header>
-		<div class="space-y-4">
-			<div>
-				<Label for="search_carta_porte">Buscando:</Label>
-				<Input
-					id="search_carta_porte"
-					bind:value={searchCartaPorte}
-					placeholder="Buscar por código..."
-					class="mt-1"
-				/>
-			</div>
-			<div class="border rounded-md max-h-[600px] overflow-y-auto overflow-x-auto">
-				<table class="w-full">
-					<thead class="bg-white dark:bg-black text-gray-900 dark:text-white border-b sticky top-0">
-						<tr>
-							<th class="px-4 py-2 text-left font-semibold">Código</th>
-							<th class="px-4 py-2 text-left font-semibold">Descripción</th>
-						</tr>
-					</thead>
-					<tbody>
-						{#each cartaPorteCatalog as item (item.id)}
-							<tr
-								class="border-b hover:bg-gray-100 dark:hover:bg-gray-700 cursor-pointer transition-colors"
-								onclick={() => {
-									formData.carta_porte_code = item.code;
-									showCartaPorteDialog = false;
-								}}
-							>
-								<td class="px-4 py-2">{item.code}</td>
-								<td class="px-4 py-2">{item.description}</td>
-							</tr>
-						{:else}
-							<tr>
-								<td colspan="2" class="px-4 py-8 text-center text-muted-foreground">
-									No hay registros disponibles
-								</td>
-							</tr>
-						{/each}
-					</tbody>
-				</table>
-			</div>
-		</div>
-		<Dialog.Footer>
-			<Button variant="outline" onclick={() => (showCartaPorteDialog = false)}>Cerrar</Button>
-		</Dialog.Footer>
-	</Dialog.Content>
-</Dialog.Root>
diff --git a/frontend/src/lib/components/dashboard/goods/classes/columns.ts b/frontend/src/lib/components/dashboard/goods/classes/columns.ts
deleted file mode 100644
index 69f88da4..00000000
--- a/frontend/src/lib/components/dashboard/goods/classes/columns.ts
+++ /dev/null
@@ -1,178 +0,0 @@
-import type { ColumnDef } from "@tanstack/table-core";
-import { renderComponent, renderSnippet } from "$lib/components/ui/data-table/index.js";
-import { createRawSnippet } from "svelte";
-import DataTableActions from "./data-table-actions.svelte";
-import type { A76Class } from "$lib/api/dashboard/a76/classes";
-
-/**
- * Formatea una fecha
- */
-function formatDate(date?: string | null): string {
-	if (!date) return '-';
-	return new Date(date).toLocaleDateString('es-MX', {
-		year: 'numeric',
-		month: '2-digit',
-		day: '2-digit',
-		hour: '2-digit',
-		minute: '2-digit'
-	});
-}
-
-/**
- * Obtiene el color del badge según el tipo de revisión física
- */
-function getReviewColor(physicalReview: number): string {
-	return physicalReview === 1 
-		? 'bg-yellow-100 text-yellow-800' 
-		: 'bg-green-100 text-green-800';
-}
-
-export function createColumns(onSuccess?: () => void): ColumnDef<A76Class>[] {
-	return [
-		{
-			accessorKey: "id",
-			header: "ID",
-			cell: ({ row }) => {
-				const idSnippet = createRawSnippet<[{ id: number }]>((getId) => {
-					const { id } = getId();
-					return {
-						render: () =>
-							`<div class="font-medium">#${id}</div>`
-					};
-				});
-				return renderSnippet(idSnippet, { id: row.original.id });
-			}
-		},
-		{
-			accessorKey: "class_code",
-			header: "Código de Clase",
-			cell: ({ row }) => {
-				const codeSnippet = createRawSnippet<[{ code: string }]>((getCode) => {
-					const { code } = getCode();
-					return {
-						render: () =>
-							`<code class="relative rounded bg-muted px-[0.3rem] py-[0.2rem] font-mono text-sm font-semibold">${code}</code>`
-					};
-				});
-				return renderSnippet(codeSnippet, { code: row.original.class_code });
-			}
-		},
-		{
-			accessorKey: "description_es",
-			header: "Descripción",
-			cell: ({ row }) => {
-				const description = row.original.description_es || row.original.description_en || '-';
-				const descSnippet = createRawSnippet<[{ desc: string }]>((getDesc) => {
-					const { desc } = getDesc();
-					return {
-						render: () =>
-							`<div class="max-w-xs truncate" title="${desc}">${desc}</div>`
-					};
-				});
-				return renderSnippet(descSnippet, { desc: description });
-			}
-		},
-		{
-			accessorKey: "fraction",
-			header: "Fracción",
-			cell: ({ row }) => {
-				const fractionSnippet = createRawSnippet<[{ fraction: string }]>((getFraction) => {
-					const { fraction } = getFraction();
-					return {
-						render: () =>
-							`<div class="font-mono text-sm">${fraction}</div>`
-					};
-				});
-				return renderSnippet(fractionSnippet, { fraction: row.original.fraction });
-			}
-		},
-		{
-			accessorKey: "us_fraction",
-			header: "Fracción US",
-			cell: ({ row }) => {
-				const usFractionSnippet = createRawSnippet<[{ usFraction: string }]>((getUsFraction) => {
-					const { usFraction } = getUsFraction();
-					return {
-						render: () =>
-							`<div class="font-mono text-sm">${usFraction}</div>`
-					};
-				});
-				return renderSnippet(usFractionSnippet, { usFraction: row.original.us_fraction });
-			}
-		},
-		{
-			accessorKey: "unit_of_measure",
-			header: "Unidad",
-			cell: ({ row }) => {
-				const unitSnippet = createRawSnippet<[{ unit: string }]>((getUnit) => {
-					const { unit } = getUnit();
-					return {
-						render: () =>
-							`<span class="inline-flex items-center rounded-full bg-blue-100 text-blue-800 px-2.5 py-0.5 text-xs font-medium">
-								${unit}
-							</span>`
-					};
-				});
-				return renderSnippet(unitSnippet, { unit: row.original.unit_of_measure });
-			}
-		},
-		{
-			accessorKey: "physical_review",
-			header: "Rev. Física",
-			cell: ({ row }) => {
-				const review = row.original.physical_review;
-				const colorClass = getReviewColor(review);
-				const label = review === 1 ? 'Sí' : 'No';
-				
-				const reviewSnippet = createRawSnippet<[{ label: string; colorClass: string }]>((getReview) => {
-					const { label, colorClass } = getReview();
-					return {
-						render: () =>
-							`<span class="inline-flex items-center rounded-full px-2.5 py-0.5 text-xs font-medium ${colorClass}">
-								${label}
-							</span>`
-					};
-				});
-				return renderSnippet(reviewSnippet, { label, colorClass });
-			}
-		},
-		{
-			accessorKey: "client_id",
-			header: "Cliente",
-			cell: ({ row }) => {
-				const clientSnippet = createRawSnippet<[{ clientId: number }]>((getClient) => {
-					const { clientId } = getClient();
-					return {
-						render: () =>
-							`<div class="text-sm">Cliente #${clientId}</div>`
-					};
-				});
-				return renderSnippet(clientSnippet, { clientId: row.original.client_id });
-			}
-		},
-		{
-			accessorKey: "created_at",
-			header: "Fecha de Creación",
-			cell: ({ row }) => {
-				const dateSnippet = createRawSnippet<[{ date: string }]>((getDate) => {
-					const { date } = getDate();
-					return {
-						render: () =>
-							`<div class="text-sm text-muted-foreground">${date}</div>`
-					};
-				});
-				return renderSnippet(dateSnippet, { date: formatDate(row.original.created_at) });
-			}
-		},
-		{
-			id: "actions",
-			header: "Acciones",
-			cell: ({ row }) => {
-				return renderComponent(DataTableActions, { item: row.original, onSuccess });
-			}
-		}
-	];
-}
-
-// Mantener compatibilidad hacia atrás
-export const columns = createColumns();
diff --git a/frontend/src/lib/components/dashboard/goods/classes/data-table-actions.svelte b/frontend/src/lib/components/dashboard/goods/classes/data-table-actions.svelte
deleted file mode 100644
index ad2ad6b6..00000000
--- a/frontend/src/lib/components/dashboard/goods/classes/data-table-actions.svelte
+++ /dev/null
@@ -1,109 +0,0 @@
-<script lang="ts">
-	import { Button } from "$lib/components/ui/button";
-	import * as DropdownMenu from "$lib/components/ui/dropdown-menu";
-	import { classesApi, type A76Class } from "$lib/api/dashboard/a76/classes";
-	import { companyStore } from "$lib/stores/company.svelte";
-	import { EllipsisVertical, Pencil, LoaderCircle, Trash2 } from 'lucide-svelte';
-	import CreateEditDialog from "./create-edit-dialog.svelte";
-	import { goto } from "$app/navigation";
-
-	let {
-		item,
-		onSuccess
-	}: {
-		item: A76Class;
-		onSuccess?: () => void;
-	} = $props();
-
-	let loading = $state(false);
-	let error = $state<string | null>(null);
-	let dialogOpen = $state(false);
-	let selectedItem = $state<A76Class | null>(null);
-
-	async function handleDelete() {
-		if (!confirm(`¿Estás seguro de eliminar la clase "${item.class_code}"?`)) {
-			return;
-		}
-
-		const companyId = companyStore.activeCompany?.id;
-		if (!companyId) {
-			alert('No hay compañía seleccionada');
-			return;
-		}
-
-		loading = true;
-		error = null;
-
-		try {
-			const response = await classesApi.delete(item.id, companyId);
-
-			if (response.error) {
-				if (response.status === 401) {
-					error = 'Sesión expirada. Recargando página...';
-					setTimeout(() => {
-						window.location.reload();
-					}, 1500);
-				} else {
-					error = response.error;
-					alert(`Error al eliminar: ${response.error}`);
-				}
-				return;
-			}
-
-			// Éxito
-			if (onSuccess) {
-				onSuccess();
-			}
-		} catch (e) {
-			error = e instanceof Error ? e.message : "Error al eliminar";
-			alert(`Error: ${error}`);
-			console.error("Error deleting:", e);
-		} finally {
-			loading = false;
-		}
-	}
-
-	function handleEdit() {
-		selectedItem = item;
-		dialogOpen = true;
-	}
-
-	function handleDialogSuccess() {
-		dialogOpen = false;
-		selectedItem = null;
-		if (onSuccess) {
-			onSuccess();
-		}
-	}
-</script>
-
-<DropdownMenu.Root>
-	<DropdownMenu.Trigger>
-		{#snippet child({ props })}
-			<Button {...props} variant="ghost" size="icon" class="relative size-8 p-0">
-				<span class="sr-only">Abrir menú</span>
-				<EllipsisVertical size={16} />
-			</Button>
-		{/snippet}
-	</DropdownMenu.Trigger>
-	<DropdownMenu.Content align="end" class="w-[160px]">
-		<DropdownMenu.Label>Acciones</DropdownMenu.Label>
-		<DropdownMenu.Separator />
-		<DropdownMenu.Item onclick={() => { goto(`/dashboard/goods/classes/edit/${item.id}`); }} >
-			<Pencil size={16} class="mr-2" />
-			Editar
-		</DropdownMenu.Item>
-		<DropdownMenu.Separator />
-		<DropdownMenu.Item onclick={handleDelete} class="text-destructive" disabled={loading}>
-			{#if loading}
-				<LoaderCircle class="mr-2 h-4 w-4 animate-spin" />
-			{:else}
-				<Trash2 size={16} class="mr-2" />
-			{/if}
-			Eliminar
-		</DropdownMenu.Item>
-	</DropdownMenu.Content>
-</DropdownMenu.Root>
-
-<!-- Dialog de edición -->
-<CreateEditDialog bind:open={dialogOpen} item={selectedItem} onSuccess={handleDialogSuccess} />
diff --git a/frontend/src/lib/components/dashboard/goods/classes/data-table.svelte b/frontend/src/lib/components/dashboard/goods/classes/data-table.svelte
deleted file mode 100644
index ef98de23..00000000
--- a/frontend/src/lib/components/dashboard/goods/classes/data-table.svelte
+++ /dev/null
@@ -1,123 +0,0 @@
-<script lang="ts" generics="TData, TValue">
-	import { onMount } from 'svelte';
-	import {
-		type ColumnDef,
-		getCoreRowModel
-	} from "@tanstack/table-core";
-	import { createSvelteTable, FlexRender } from "$lib/components/ui/data-table/index.js";
-	import * as Table from "$lib/components/ui/table/index.js";
-
-	type DataTableProps<TData, TValue> = {
-		columns: ColumnDef<TData, TValue>[];
-		data: TData[];
-		loading: boolean;
-		hasMore: boolean;
-		loadMore: () => void;
-	};
-
-	let {
-		data,
-		columns,
-		loading,
-		hasMore,
-		loadMore
-	}: DataTableProps<TData, TValue> = $props();
-
-	const table = createSvelteTable({
-		get data() {
-			return data;
-		},
-		columns,
-		getCoreRowModel: getCoreRowModel()
-	});
-
-	let scrollContainer = $state<HTMLDivElement>();
-	let loadingTrigger = $state<HTMLDivElement>();
-
-	// Intersection Observer para detectar cuando el usuario llega al final
-	onMount(() => {
-		const observer = new IntersectionObserver(
-			(entries) => {
-				const [entry] = entries;
-				if (entry.isIntersecting && hasMore && !loading) {
-					loadMore();
-				}
-			},
-			{
-				root: scrollContainer,
-				threshold: 0.1
-			}
-		);
-
-		if (loadingTrigger) {
-			observer.observe(loadingTrigger);
-		}
-
-		return () => {
-			observer.disconnect();
-		};
-	});
-</script>
-
-<div class="w-full">
-	<div class="rounded-md border max-h-[600px] overflow-y-auto" bind:this={scrollContainer}>
-		<Table.Root>
-			<Table.Header class="sticky top-0 bg-background z-10">
-				{#each table.getHeaderGroups() as headerGroup (headerGroup.id)}
-					<Table.Row>
-						{#each headerGroup.headers as header (header.id)}
-							<Table.Head>
-								{#if !header.isPlaceholder}
-									<FlexRender
-										content={header.column.columnDef.header}
-										context={header.getContext()}
-									/>
-								{/if}
-							</Table.Head>
-						{/each}
-					</Table.Row>
-				{/each}
-			</Table.Header>
-			<Table.Body>
-				{#each table.getRowModel().rows as row (row.id)}
-					<Table.Row data-state={row.getIsSelected() && "selected"}>
-						{#each row.getVisibleCells() as cell (cell.id)}
-							<Table.Cell>
-								<FlexRender
-									content={cell.column.columnDef.cell}
-									context={cell.getContext()}
-								/>
-							</Table.Cell>
-						{/each}
-					</Table.Row>
-				{:else}
-					<Table.Row>
-						<Table.Cell colspan={columns.length} class="h-24 text-center">
-							No hay resultados.
-						</Table.Cell>
-					</Table.Row>
-				{/each}
-				
-				<!-- Loading Trigger - Se activa cuando es visible -->
-				{#if hasMore}
-					<Table.Row>
-						<Table.Cell colspan={columns.length} class="h-20 text-center">
-							<div bind:this={loadingTrigger}>
-								{#if loading}
-									<div class="flex items-center justify-center gap-2">
-										<div class="h-4 w-4 animate-spin rounded-full border-2 border-primary border-t-transparent"></div>
-										<span class="text-muted-foreground text-sm">Cargando más...</span>
-									</div>
-								{:else}
-									<div class="text-muted-foreground text-sm">
-										Desplázate para cargar más
-									</div>
-								{/if}
-							</div>
-						</Table.Cell>
-					</Table.Row>
-				{/if}
-			</Table.Body>
-		</Table.Root>
-	</div>
-</div>
diff --git a/frontend/src/routes/dashboard/catalogs/fixed-asset-classes/+page.svelte b/frontend/src/routes/dashboard/catalogs/fixed-asset-classes/+page.svelte
deleted file mode 100644
index feb34a0f..00000000
--- a/frontend/src/routes/dashboard/catalogs/fixed-asset-classes/+page.svelte
+++ /dev/null
@@ -1,914 +0,0 @@
-<script lang="ts">
-	import { Button } from '$lib/components/ui/button';
-	import { Input } from '$lib/components/ui/input';
-	import { Label } from '$lib/components/ui/label';
-	import * as Dialog from '$lib/components/ui/dialog';
-	import FixedAssetClassForm from '$lib/components/dashboard/classes/forms/FixedAssetClassForm.svelte';
-	import { Folder, Save, Plus, RefreshCw } from 'lucide-svelte';
-	import { toast } from 'svelte-sonner';
-	import { classesApi, type A76Class } from '$lib/api/dashboard/a76/classes';
-	import { faClassesApi, type FAClass } from '$lib/api/dashboard/a24/fa_classes';
-	import { companyStore } from '$lib/stores/company.svelte';
-	import { getToken } from '$lib/auth';
-	import { onMount } from 'svelte';
-
-	// Tipo extendido que combina A76Class y FAClass
-	interface FixedAssetClassExtended extends A76Class {
-		fa_class_id?: number;
-		depreciation_rate?: number | null;
-		fda_code?: string | null;
-		class_enabled?: boolean | null;
-	}
-
-	// Estado de la lista de clases
-	let classes = $state<FixedAssetClassExtended[]>([]);
-	let selectedClass = $state<FixedAssetClassExtended | null>(null);
-	let isLoading = $state(false);
-	let searchTerm = $state('');
-	let searchDescription = $state('');
-	let searchType = $state('');
-	let searchFraction = $state('');
-	let showInsertDialog = $state(false);
-	let showDeleteDialog = $state(false);
-	let validationError = $state<string>('');
-	let isSaving = $state(false);
-
-	// Estado del formulario
-	let formData = $state({
-		class_code: '',
-		description_es: '',
-		description_en: '',
-		material_key: '',
-		unit_of_measure: '',
-		fraction: '',
-		us_fraction: '',
-		unit_measure_trade: '',
-		bom: ''
-	});
-
-	// Clases filtradas según búsqueda
-	const filteredClasses = $derived(
-		classes.filter((c) => {
-			// Filtro por código de clase
-			const matchesCode = !searchTerm || 
-				c.class_code.toLowerCase().includes(searchTerm.toLowerCase());
-			
-			// Filtro por descripción (español o inglés)
-			const matchesDescription = !searchDescription || 
-				(c.description_es?.toLowerCase().includes(searchDescription.toLowerCase()) ?? false) ||
-				(c.description_en?.toLowerCase().includes(searchDescription.toLowerCase()) ?? false);
-			
-			// Filtro por tipo de material
-			const matchesType = !searchType || 
-				(c.material_key?.toLowerCase().includes(searchType.toLowerCase()) ?? false);
-			
-			// Filtro por fracción arancelaria
-			const matchesFraction = !searchFraction || 
-				(c.fraction?.toLowerCase().includes(searchFraction.toLowerCase()) ?? false);
-			
-			return matchesCode && matchesDescription && matchesType && matchesFraction;
-		})
-	);
-
-	// Reactively load classes when company changes
-	$effect(() => {
-		const companyId = companyStore.activeCompany?.id;
-		if (companyId) {
-			loadClasses();
-		}
-	});
-
-	async function loadClasses() {
-		const companyId = companyStore.activeCompany?.id;
-		if (!companyId) {
-			console.log('No company selected, skipping load');
-			return;
-		}
-
-		isLoading = true;
-		try {
-			console.log('Cargando clases para company:', companyId);
-			const response = await classesApi.list({
-				company_id: companyId,
-				page: 1,
-				page_size: 1000
-			});
-
-			if (!response.data) return;
-
-			// Para cada clase base, intentar cargar sus datos de activo fijo
-			const classesWithFA = await Promise.all(
-				response.data.items.map(async (baseClass) => {
-					try {
-						const faResponse = await faClassesApi.list({
-							company_id: companyId,
-							class_id: baseClass.id,
-							page: 1,
-							page_size: 1
-						});
-
-						const faData = faResponse.data?.items[0];
-
-						return {
-							...baseClass,
-							fa_class_id: faData?.id,
-							depreciation_rate: faData?.depreciation_rate,
-							fda_code: faData?.fda_code,
-							class_enabled: faData?.class_enabled
-						} as FixedAssetClassExtended;
-					} catch (error) {
-						// Si no tiene FA class, solo retornar la clase base
-						return baseClass as FixedAssetClassExtended;
-					}
-				})
-			);
-
-			classes = classesWithFA;
-			console.log('Clases cargadas:', classes.length);
-		} catch (error) {
-			console.error('Error cargando clases:', error);
-			toast.error('Error al cargar las clases de activo fijo');
-		} finally {
-			isLoading = false;
-		}
-	}
-
-	function selectClass(cls: A76Class) {
-		selectedClass = cls;
-		formData = {
-			class_code: cls.class_code,
-			description_es: cls.description_es || '',
-			description_en: cls.description_en || '',
-			material_key: cls.material_key || '',
-			unit_of_measure: cls.unit_of_measure || '',
-			fraction: cls.fraction || '',
-			us_fraction: cls.us_fraction || '',
-			unit_measure_trade: '',
-			bom: ''
-		};
-	}
-
-	async function saveFixedAssetClass(formData: any) {
-		console.log('=== INICIO saveFixedAssetClass ===');
-		const companyId = companyStore.activeCompany?.id;
-		const clientId = 2; // Cliente demo creado en la base de datos
-		
-		// CAMBIO: Usar $state.snapshot para obtener una copia real, no reactiva
-		const data = $state.snapshot(formData);
-        console.log('saveFixedAssetClass called with data:', data);
-		
-		if (!companyId) {
-			toast.error('No hay empresa seleccionada');
-			throw new Error('No hay empresa seleccionada');
-		}
-
-		// Validar campos obligatorios
-		const missingFields: string[] = [];
-		
-		if (!data.class_code?.trim()) {
-			missingFields.push('Código de clase');
-		}
-		if (!data.description_es?.trim()) {
-			missingFields.push('Descripción en español');
-		}
-		if (!data.material_key?.trim()) {
-			missingFields.push('Tipo de activo fijo');
-		}
-		if (!data.unit_of_measure?.trim()) {
-			missingFields.push('Unidad de medida comercial');
-		}
-		if (!data.fraction?.trim()) {
-			missingFields.push('Fracción arancelaria');
-		}
-
-	if (missingFields.length > 0) {
-		const fieldsList = missingFields.join(', ');
-		validationError = `Debe completar los siguientes campos obligatorios: ${fieldsList}`;
-		toast.error(validationError, {
-			duration: 8000
-		});
-		throw new Error(`Campos obligatorios faltantes: ${fieldsList}`);
-	}
-
-	// Limpiar error de validación si todo está bien
-	validationError = '';
-
-	try {
-		// Usar el endpoint combinado /fa que crea ambos registros en una transacción
-		const token = await getToken();
-		if (!token) {
-			toast.error('No estás autenticado');
-			throw new Error('No estás autenticado');
-		}
-		
-		const payload = {
-			client_id: clientId,
-			class_code: data.class_code.trim(),
-			description_es: data.description_es.trim(),
-			description_en: data.description_en?.trim() || '',
-			material_key: data.material_key.trim(),
-			unit_of_measure: data.unit_of_measure.trim(),
-			fraction: data.fraction.trim(),
-			us_fraction: data.us_fraction?.trim() || '',
-			sub_key: data.sub_key || '',
-			physical_review: data.physical_review ? 1 : 0,
-			iva_exempt_fraction: data.iva_exempt_fraction || '',
-			// FA-specific fields
-			import_tariff_code: data.import_tariff_code || null,
-			import_tariff_type: data.import_tariff_type || null,
-			export_tariff_code: data.export_tariff_code || null,
-			export_tariff_type: data.export_tariff_type || null,
-			depreciation_rate: data.annual_depreciation_rate || null,
-			fda_code: data.fda_key || null,
-			eccn_code: data.eccn_code || null,
-			class_enabled: true
-		};
-		
-		console.log('Sending payload:', payload);
-		
-		const response = await fetch(`http://localhost:8000/api/v1/a76/classes/fa?company_id=${companyId}`, {
-			method: 'POST',
-			headers: {
-				'Content-Type': 'application/json',
-				'Authorization': `Bearer ${token}`
-			},
-			body: JSON.stringify(payload)
-		});
-
-		if (!response.ok) {
-			const error = await response.json();
-			console.error('Server error:', error);
-			
-			// Manejar diferentes formatos de error
-			let errorMessage = 'Error al crear la clase';
-			let isDuplicateError = false;
-			
-			if (error.detail) {
-				if (Array.isArray(error.detail)) {
-					// Si detail es un array (errores de validación de Pydantic)
-					errorMessage = error.detail.map((e: any) => 
-						`${e.loc ? e.loc.join(' → ') : ''}: ${e.msg || e}`
-					).join(', ');
-				} else if (typeof error.detail === 'string') {
-					errorMessage = error.detail;
-					// Detectar si es un error de código duplicado
-					if (errorMessage.includes('código') && errorMessage.includes('ya está en uso')) {
-						isDuplicateError = true;
-					}
-				} else {
-					errorMessage = JSON.stringify(error.detail);
-				}
-			}
-			
-			// Mensaje más específico para errores de duplicado
-			console.log('isDuplicateError:', isDuplicateError);
-			if (isDuplicateError) {
-				validationError = `⚠️ ${errorMessage}\n\nPor favor, cambie el código de clase a uno diferente.`;
-			} else {
-				validationError = `⚠️ ${errorMessage}`;
-			}
-			
-			console.log('MENSAJE ASIGNADO (save):', validationError);
-			toast.error(errorMessage, { duration: 8000 });
-			throw new Error(errorMessage);
-		}
-
-		const responseData = await response.json();
-		validationError = '';
-		toast.success('✅ Clase de activo fijo creada correctamente');
-		return responseData;
-
-	} catch (error: any) {
-		console.error('Error saving fixed asset class:', error);
-		// El toast ya se mostró arriba, solo re-lanzar el error
-		throw error;
-		}
-	}
-
-	async function updateFixedAssetClass(formData: any) {
-    console.log('=== INICIO updateFixedAssetClass ===');
-    const companyId = companyStore.activeCompany?.id;
-    
-    // CAMBIO 1: Usar $state.snapshot para obtener una copia real, no reactiva
-    // Esto garantiza que aunque el hijo borre el formulario, 'data' mantenga los valores
-    const data = $state.snapshot(formData);
-    
-    console.log('updateFixedAssetClass called with snapshot data:', data);
-    
-    if (!companyId || !selectedClass) {
-        toast.error('No hay empresa o clase seleccionada');
-        return;
-    }
-
-    // CAMBIO 2: Validar sobre 'data' (la copia muerta)
-    const missingFields: string[] = [];
-    if (!data.class_code?.trim()) missingFields.push('Código de clase');
-    if (!data.description_es?.trim()) missingFields.push('Descripción en español');
-    if (!data.material_key?.trim()) missingFields.push('Tipo de activo fijo');
-    if (!data.unit_of_measure?.trim()) missingFields.push('Unidad de medida comercial');
-    if (!data.fraction?.trim()) missingFields.push('Fracción arancelaria');
-    
-    if (missingFields.length > 0) {
-        const errorMsg = `Campos obligatorios faltantes: ${missingFields.join(', ')}`;
-        validationError = `⚠️ ${errorMsg}`;
-        toast.error(errorMsg);
-        // Lanzamos el error para que el 'onSave' del Dialog no cierre la ventana
-        throw new Error(errorMsg);
-    }
-    
-    validationError = '';
-
-    try {
-        // CAMBIO 3: Usar siempre 'data' para los payloads
-        const a76Response = await classesApi.update(selectedClass.id, {
-            class_code: data.class_code.trim(),
-            description_es: data.description_es.trim(),
-            description_en: data.description_en?.trim() || '',
-            material_key: data.material_key.trim(),
-            unit_of_measure: data.unit_of_measure.trim(),
-            fraction: data.fraction.trim(),
-            us_fraction: data.us_fraction || '',
-            physical_review: data.physical_review ? 1 : 0,
-            iva_exempt_fraction: data.iva_exempt_fraction || ''
-        }, companyId);
-
-        if (selectedClass.fa_class_id) {
-            await faClassesApi.update(selectedClass.fa_class_id, {
-                depreciation_rate: data.annual_depreciation_rate || null,
-                fda_code: data.fda_key || null
-            }, companyId);
-        } else {
-            await faClassesApi.create({
-                class_id: selectedClass.id,
-                depreciation_rate: data.annual_depreciation_rate || null,
-                fda_code: data.fda_key || null,
-                class_enabled: true
-            }, companyId);
-        }
-
-        toast.success('Clase actualizada correctamente');
-        return { a76: a76Response.data };
-
-    } catch (error: any) {
-    	console.error('Error updating fixed asset class:', error);
-			console.error('Error response:', error?.response);
-			console.error('Error response data:', error?.response?.data);
-			console.error('Error response detail:', error?.response?.data?.detail);
-			console.error('Error type:', typeof error?.response?.data?.detail);
-			
-			let errorMessage = 'Error al actualizar la clase';
-			let isDuplicateError = false;
-			
-			// Extract error message from response
-			if (error?.response?.data?.detail) {
-				if (Array.isArray(error.response.data.detail)) {
-					errorMessage = error.response.data.detail.map((e: any) => 
-						`${e.loc ? e.loc.join(' → ') : ''}: ${e.msg || e}`
-					).join(', ');
-				} else if (typeof error.response.data.detail === 'string') {
-					errorMessage = error.response.data.detail;
-					// Detectar si es un error de código duplicado
-					if (errorMessage.includes('código') && errorMessage.includes('ya está en uso')) {
-						isDuplicateError = true;
-					}
-				} else {
-					errorMessage = JSON.stringify(error.response.data.detail);
-				}
-			} else if (error?.message) {
-				errorMessage = error.message;
-			}
-			
-			console.error('Final error message:', errorMessage);
-			console.error('Is duplicate error:', isDuplicateError);
-			
-			// Mensaje más específico para errores de duplicado
-			console.log('isDuplicateError:', isDuplicateError);
-			if (isDuplicateError) {
-				validationError = `⚠️ ${errorMessage}\n\nPor favor, cambie el código de clase a uno diferente.`;
-			} else {
-				validationError = `⚠️ ${errorMessage}`;
-			}
-			
-			console.log('MENSAJE ASIGNADO (update):', validationError);
-			toast.error(errorMessage, { duration: 8000 });
-			
-			console.error('Toast shown, about to throw error');
-        throw error;
-    }
-}
-	function handleNew() {
-		selectedClass = null;
-		formData = {
-			class_code: '',
-			description_es: '',
-			description_en: '',
-			material_key: '',
-			unit_of_measure: '',
-			fraction: '',
-			us_fraction: '',
-			unit_measure_trade: '',
-			bom: ''
-		};
-	}
-
-	async function handleRefresh() {
-		await loadClasses();
-		toast.success('Clases actualizadas');
-	}
-
-	function handleDelete() {
-		if (!selectedClass) {
-			toast.error('Selecciona una clase para borrar');
-			return;
-		}
-		showDeleteDialog = true;
-	}
-
-	async function confirmDelete() {
-		if (!selectedClass) return;
-		
-		const companyId = companyStore.activeCompany?.id;
-		if (!companyId) {
-			toast.error('No hay empresa seleccionada');
-			return;
-		}
-
-		const classToDelete = selectedClass;
-		
-		try {
-			// El backend ahora elimina automáticamente la extensión FA si existe
-			await classesApi.delete(classToDelete.id, companyId);
-
-			toast.success(`Clase ${classToDelete.class_code} eliminada correctamente`);
-			
-			// Recargar lista
-			await loadClasses();
-			
-			selectedClass = null;
-			showDeleteDialog = false;
-			formData = {
-				class_code: '',
-				description_es: '',
-				description_en: '',
-				material_key: '',
-				unit_of_measure: '',
-				fraction: '',
-				us_fraction: '',
-				unit_measure_trade: '',
-				bom: ''
-			};
-		} catch (error) {
-			console.error('Error deleting class:', error);
-			toast.error('Error al eliminar la clase');
-		}
-	}
-</script>
-
-<div class="flex flex-col h-[calc(100vh-4rem)] p-4 gap-4 pb-15">
-	<!-- Título -->
-	<div class="flex flex-col gap-1">
-		<h1 class="text-2xl font-bold">CATALOGO DE CLASES DE ACTIVO FIJO</h1>
-		<p class="text-sm text-muted-foreground">
-			Gestiona y consulta las clases de activo fijo 
-		</p>
-	</div>
-
-	<!-- Contenedor principal con grid y detalles -->
-	<div class="flex-1 flex gap-4 overflow-hidden">
-		<!-- Panel izquierdo: Grid/Tabla de clases -->
-		<div class="flex-1 flex flex-col gap-4 overflow-hidden">
-			<!-- Sección de Filtros -->
-			<div class="border rounded-lg bg-card">
-				<div class="p-4 space-y-4">
-					<div class="flex items-center justify-between">
-						<h2 class="text-sm font-semibold">Filtros</h2>
-						<span class="text-xs text-muted-foreground">
-							Filtra las clases por diferentes criterios (los filtros se aplican automáticamente)
-						</span>
-					</div>
-					<div class="grid grid-cols-4 gap-4">
-						<div class="space-y-2">
-							<Label class="text-xs">Clase</Label>
-							<Input
-								bind:value={searchTerm}
-								placeholder="Ej: AF001"
-								class="h-9"
-							/>
-						</div>
-						<div class="space-y-2">
-							<Label class="text-xs">Descripción</Label>
-							<Input
-								bind:value={searchDescription}
-								placeholder="Buscar descripción..."
-								class="h-9"
-							/>
-						</div>
-						<div class="space-y-2">
-							<Label class="text-xs">Tipo</Label>
-							<Input
-								bind:value={searchType}
-								placeholder="MP, SC, DESP..."
-								class="h-9"
-							/>
-						</div>
-						<div class="space-y-2">
-							<Label class="text-xs">Fracción</Label>
-							<Input
-								bind:value={searchFraction}
-								placeholder="Fracción arancelaria"
-								class="h-9"
-							/>
-						</div>
-					</div>
-				</div>
-			</div>
-
-			<!-- Tabla de clases -->
-			<div class="flex-1 flex flex-col border rounded-lg overflow-hidden">
-				<div class="flex items-center justify-between p-3 border-b bg-white dark:bg-muted/50">
-					<h2 class="text-sm font-semibold">Listado de Clases</h2>
-					<div class="flex items-center gap-2">
-						<span class="text-xs text-muted-foreground">
-							Mostrando de {filteredClasses.length} registros
-						</span>
-					<Button variant="outline" size="sm" onclick={handleRefresh}>
-							<RefreshCw class="h-4 w-4 mr-2" />
-							Actualizar
-						</Button>
-					</div>
-				</div>
-
-			<!-- Tabla de clases -->
-			<div class="flex-1 overflow-auto">
-				<table class="w-full text-sm">
-					<thead class="bg-white dark:bg-black text-gray-900 dark:text-white sticky top-0 z-10 border-b">
-						<tr>
-							<th class="px-2 py-2 text-left w-8">
-								<input type="checkbox" class="h-4 w-4" />
-							</th>
-							<th class="px-2 py-2 text-left">Clase</th>
-							<th class="px-2 py-2 text-left">Descripción Español</th>
-							<th class="px-2 py-2 text-left">Descripción Inglés</th>
-							<th class="px-2 py-2 text-left">Tipo</th>
-							<th class="px-2 py-2 text-left">U.M</th>
-							<th class="px-2 py-2 text-left">Fracción</th>					<th class="px-2 py-2 text-left">U.M.T.</th>							<th class="px-2 py-2 text-left">Fracción US</th>
-						</tr>
-					</thead>
-					<tbody>
-						{#if isLoading}
-							<tr>
-								<td colspan="10" class="text-center py-8 text-muted-foreground">Cargando...</td>
-							</tr>
-						{:else if filteredClasses.length === 0}
-							<tr>
-								<td colspan="10" class="text-center py-8 text-muted-foreground">
-									No hay clases de activo fijo registradas
-								</td>
-							</tr>
-						{:else}
-							{#each filteredClasses as cls (cls.id)}
-								<tr
-									class="border-b cursor-pointer transition-colors {selectedClass?.id ===
-									cls.id
-										? 'bg-gray-300 dark:bg-gray-600'
-										: 'hover:bg-gray-100 dark:hover:bg-gray-700'}"
-									onclick={() => selectClass(cls)}
-								>
-									<td class="px-2 py-1">
-										<input
-											type="checkbox"
-											checked={selectedClass?.id === cls.id}
-											class="h-4 w-4"
-										/>
-									</td>
-								<td class="px-2 py-1">
-									<span class="inline-flex items-center rounded-md bg-blue-50 dark:bg-blue-900/30 px-2 py-1 text-xs font-mono font-bold text-blue-700 dark:text-blue-400 border border-blue-200 dark:border-blue-800">
-										{cls.class_code}
-									</span>
-								</td>
-								<td class="px-2 py-1 font-medium text-sm">{cls.description_es || ''}</td>
-								<td class="px-2 py-1">{cls.description_en || ''}</td>
-								<td class="px-2 py-1">
-									<span class="px-2 py-0.5 rounded-full text-[10px] font-bold uppercase tracking-wider {cls.material_key === 'MP' ? 'bg-green-100 dark:bg-green-900/30 text-green-700 dark:text-green-400' : cls.material_key === 'SC' ? 'bg-purple-100 dark:bg-purple-900/30 text-purple-700 dark:text-purple-400' : cls.material_key === 'DESP' ? 'bg-amber-100 dark:bg-amber-900/30 text-amber-700 dark:text-amber-400' : 'bg-slate-100 dark:bg-slate-800 text-slate-700 dark:text-slate-400'}">
-										{cls.material_key || ''}
-									</span>
-								</td>
-								<td class="px-2 py-1 text-muted-foreground">{cls.unit_of_measure || ''}</td>
-								<td class="px-2 py-1 font-mono text-xs text-orange-600 dark:text-orange-400">{cls.fraction || ''}</td>					<td class="px-2 py-1 text-xs text-muted-foreground">-</td>									<td class="px-2 py-1">{cls.us_fraction || '-'}</td>
-								</tr>
-							{/each}
-						{/if}
-					</tbody>
-				</table>
-			</div>
-		</div>
-	</div>
-
-		<!-- Panel derecho: Detalles y edición -->
-			<div class="w-96 flex-none flex flex-col border rounded-xl bg-muted/30 shadow-sm overflow-hidden">
-				<div class="p-4 border-b">
-					<p class="text-[10px] uppercase tracking-widest opacity-80 text-muted-foreground">Código de Clase</p>
-					<h2 class="text-3xl font-black font-mono tracking-tighter">
-						{formData.class_code || '---'}
-					</h2>
-				</div>
-
-				<div class="flex-1 overflow-auto p-5 space-y-6 bg-card">
-					<div class="space-y-3">
-						<div>
-							<Label class="text-[10px] uppercase text-muted-foreground font-bold">Descripción ES</Label>
-							<p class="text-sm font-semibold leading-tight">{formData.description_es || 'Sin descripción'}</p>
-						</div>
-						<div class="pt-2 border-t border-dashed">
-							<Label class="text-[10px] uppercase text-muted-foreground font-bold">Description EN</Label>
-							<p class="text-sm italic text-muted-foreground">{formData.description_en || 'No translation available'}</p>
-						</div>
-					</div>
-
-					<div class="grid grid-cols-2 gap-4 pt-4 border-t">
-						<div class="space-y-1">
-							<Label class="text-[10px] uppercase text-muted-foreground font-bold">Tipo Activo</Label>
-							<div class="flex items-center gap-2">
-								<Folder class="h-3 w-3 text-blue-500" />
-								<span class="text-sm font-bold">{formData.material_key || '-'}</span>
-							</div>
-						</div>
-						<div class="space-y-1">
-							<Label class="text-[10px] uppercase text-muted-foreground font-bold">U.M. Com.</Label>
-							<span class="text-sm font-bold">{formData.unit_of_measure || '-'}</span>
-						</div>
-					</div>
-
-					<div class="p-3 bg-orange-50 dark:bg-orange-950/20 rounded-lg border border-orange-100 dark:border-orange-900">
-						<Label class="text-[10px] uppercase text-orange-600 dark:text-orange-400 font-bold">Fracción Arancelaria</Label>
-						<p class="text-lg font-mono font-bold text-orange-700 dark:text-orange-300">
-							{formData.fraction || '0000.00.00'}
-						</p>
-					</div>
-				</div>
-			</div>
-		</div>
-	</div>
-
-<!-- Footer fijo con botones de acción -->
-<div class="fixed bottom-0 left-0 right-0 bg-background/95 backdrop-blur supports-[backdrop-filter]:bg-background/80 border-t shadow-lg z-[5]">
-	<div class="px-4 py-4 max-w-[1400px] mx-auto">
-		<!-- Botones de acción -->
-		<div class="flex justify-end gap-2">
-			<Button size="sm" onclick={() => {
-				selectedClass = null;
-				validationError = '';
-				showInsertDialog = true;
-			}}>
-				<Plus class="h-4 w-4 mr-1" />
-				Insertar
-			</Button>
-			<Button variant="outline" size="sm" onclick={() => {
-				if (!selectedClass) {
-					toast.error('Selecciona una clase para editar');
-					return;
-				}
-				validationError = '';
-				showInsertDialog = true;
-			}} disabled={!selectedClass}>Editar</Button>
-			<Button variant="outline" size="sm" onclick={handleDelete} disabled={!selectedClass}>Borrar</Button>
-		</div>
-	</div>
-</div>
-
-<!-- Dialog para Insertar/Editar Clase de Activo Fijo -->
-<Dialog.Root bind:open={showInsertDialog}>
-	<Dialog.Content class="!max-w-[1600px] !w-[1600px] !h-[90vh] p-0 overflow-hidden flex flex-col">
-		<Dialog.Header class="p-6 pb-4 border-b">
-			<Dialog.Title>{selectedClass ? 'Editar' : 'Nueva'} Clase de Activo Fijo</Dialog.Title>
-		</Dialog.Header>
-		
-		<!-- Mensaje de error de validación -->
-		{#if validationError}
-			<div class="mx-6 mt-4 p-4 bg-red-50 border border-red-200 rounded-lg">
-				<div class="flex items-start gap-3">
-					<div class="flex-shrink-0 w-5 h-5 rounded-full bg-red-500 text-white flex items-center justify-center text-sm font-bold mt-0.5">
-						!
-					</div>
-					<div class="flex-1">
-						<h3 class="text-sm font-semibold text-red-800 mb-1">Error de Validación</h3>
-						<p class="text-sm text-red-700 whitespace-pre-line">{validationError}</p>
-					</div>
-					<button 
-						onclick={() => validationError = ''} 
-						class="flex-shrink-0 text-red-400 hover:text-red-600"
-					 aria-label="Cerrar mensaje de error">
-						<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-							<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12" />
-						</svg>
-					</button>
-				</div>
-			</div>
-		{/if}
-		
-		<div class="flex-1 overflow-auto p-6">
-			<FixedAssetClassForm 
-				initialData={selectedClass}
-				externalError={validationError}
-				onClearError={() => validationError = ''}
-				onSave={async (data: Partial<FixedAssetClassExtended>) => {
-					// Evitar múltiples clics
-					if (isSaving) {
-						console.log('⚠️ Ya está guardando, ignorando clic');
-						return;
-					}
-					isSaving = true;
-					validationError = '';
-					
-					console.log('========================================');
-					console.log('=== INICIO ONSAVE ===');
-					console.log('Datos recibidos:', data);
-					console.log('selectedClass:', selectedClass);
-					console.log('========================================');
-					
-					try {
-						const cleanData = $state.snapshot(data);
-						const companyId = companyStore.activeCompany?.id;
-						const token = await getToken();
-						
-						if (!companyId) {
-							throw new Error('No hay empresa seleccionada');
-						}
-						
-						if (!token) {
-							throw new Error('No estás autenticado');
-						}
-
-						let response;
-						
-						if (selectedClass?.id) {
-							// === ACTUALIZACIÓN ===
-							console.log('🔄 MODO: ACTUALIZACIÓN');
-							console.log('ID de clase:', selectedClass.id);
-							
-							response = await classesApi.update(selectedClass.id, {
-								class_code: cleanData.class_code?.trim() || '',
-								description_es: cleanData.description_es?.trim() || '',
-								description_en: cleanData.description_en?.trim() || '',
-								material_key: cleanData.material_key?.trim() || '',
-								unit_of_measure: cleanData.unit_of_measure?.trim() || '',
-								fraction: cleanData.fraction?.trim() || '',
-								us_fraction: cleanData.us_fraction || '',
-								physical_review: cleanData.physical_review ? 1 : 0,
-								iva_exempt_fraction: cleanData.iva_exempt_fraction || ''
-							}, companyId);
-							
-							// ¡IMPORTANTE! fetchApi NO lanza excepciones, retorna { error, status }
-							if (response.error) {
-								console.error('❌ Error en respuesta de actualización:', response);
-								throw new Error(response.error);
-							}
-							
-							console.log('✅ Actualización exitosa');
-						} else {
-							// === CREACIÓN ===
-							console.log('➕ MODO: CREACIÓN');
-							
-							const payload = {
-								client_id: 2,
-								class_code: cleanData.class_code?.trim() || '',
-								description_es: cleanData.description_es?.trim() || '',
-								description_en: cleanData.description_en?.trim() || '',
-								material_key: cleanData.material_key?.trim() || '',
-								unit_of_measure: cleanData.unit_of_measure?.trim() || '',
-								fraction: cleanData.fraction?.trim() || '',
-								us_fraction: cleanData.us_fraction?.trim() || '',
-								sub_key: cleanData.sub_key || '',
-								physical_review: cleanData.physical_review ? 1 : 0,
-								iva_exempt_fraction: cleanData.iva_exempt_fraction || '',
-								depreciation_rate: cleanData.depreciation_rate || null,
-								fda_code: cleanData.fda_code || null,
-								class_enabled: true
-							};
-							
-							console.log('Payload:', payload);
-							
-							const fetchResponse = await fetch(`http://localhost:8000/api/v1/a76/classes/fa?company_id=${companyId}`, {
-								method: 'POST',
-								headers: {
-									'Content-Type': 'application/json',
-									'Authorization': `Bearer ${token}`
-								},
-								body: JSON.stringify(payload)
-							});
-							
-							if (!fetchResponse.ok) {
-								const errorData = await fetchResponse.json();
-								console.error('❌ Error del servidor:', errorData);
-								throw errorData;
-							}
-							
-							response = await fetchResponse.json();
-							console.log('✅ Creación exitosa');
-						}
-
-						// === ÉXITO TOTAL ===
-						console.log('✅ GUARDADO EXITOSO - Cerrando diálogo');
-						const wasUpdate = !!selectedClass?.id;
-						await loadClasses();
-						showInsertDialog = false;
-						selectedClass = null;
-						validationError = '';
-						toast.success(wasUpdate ? 'Clase actualizada correctamente' : 'Clase creada correctamente');
-						
-					} catch (error: any) {
-						// === ERROR ===
-						console.error('========================================');
-						console.error('❌ ERROR CAPTURADO');
-						console.error('Error:', error);
-						console.error('Error.response:', error?.response);
-						console.error('Error.response.data:', error?.response?.data);
-						console.error('Error.detail:', error?.detail);
-						console.error('========================================');
-						
-						let errorMsg = 'Error al guardar';
-						
-						// Primero intentar con error.detail (fetch directo)
-						if (error?.detail) {
-							if (typeof error.detail === 'string') {
-								errorMsg = error.detail;
-							} else if (Array.isArray(error.detail)) {
-								errorMsg = error.detail.map((e: any) => e.msg || e).join(', ');
-							}
-						}
-						// Luego con error.response.data.detail (axios)
-						else if (error?.response?.data?.detail) {
-							if (typeof error.response.data.detail === 'string') {
-								errorMsg = error.response.data.detail;
-							} else if (Array.isArray(error.response.data.detail)) {
-								errorMsg = error.response.data.detail.map((e: any) => e.msg || e).join(', ');
-							}
-						}
-						// Por último el mensaje genérico
-						else if (error?.message) {
-							errorMsg = error.message;
-						}
-						
-						console.error('📝 Mensaje de error extraído:', errorMsg);
-						
-						validationError = errorMsg;
-						console.error('🔴 validationError asignado:', validationError);
-						console.error('🔴 showInsertDialog permanece:', showInsertDialog);
-						console.error('========================================');
-						
-						// NO cerramos el diálogo, permanece abierto
-					} finally {
-						isSaving = false;
-						console.log('✅ isSaving = false');
-					}
-				}}
-				onCancel={() => { 
-					showInsertDialog = false;
-					selectedClass = null;
-				}}
-			/>
-		</div>
-		<Dialog.Footer class="p-6 pt-4 border-t">
-			<Button variant="outline" onclick={() => { 			validationError = '';				showInsertDialog = false;
-				selectedClass = null;
-			}}>Cancelar</Button>
-			<Button type="button" disabled={isSaving} onclick={() => {
-				// Trigger the form's handleSave by getting a reference via DOM
-				const saveEvent = new CustomEvent('save-form');
-				document.dispatchEvent(saveEvent);
-			}}>
-				{#if isSaving}
-					<RefreshCw class="h-4 w-4 mr-2 animate-spin" />
-					Guardando...
-				{:else}
-					<Save class="h-4 w-4 mr-2" />
-					Guardar
-				{/if}
-			</Button>
-		</Dialog.Footer>
-	</Dialog.Content>
-</Dialog.Root>
-
-<!-- Dialog de confirmación para borrar -->
-<Dialog.Root bind:open={showDeleteDialog}>
-	<Dialog.Content class="max-w-md">
-		<Dialog.Header>
-			<Dialog.Title>¿Confirmar eliminación?</Dialog.Title>
-		</Dialog.Header>
-		<div class="py-4">
-			<p class="text-sm text-muted-foreground">
-				¿Estás seguro que deseas eliminar la clase <strong class="text-foreground">{selectedClass?.class_code}</strong>?
-			</p>
-			<p class="text-sm text-muted-foreground mt-2">
-				{selectedClass?.description_es}
-			</p>
-			<p class="text-sm text-destructive mt-4">
-				Esta acción no se puede deshacer.
-			</p>
-		</div>
-		<Dialog.Footer>
-			<Button variant="outline" onclick={() => showDeleteDialog = false}>Cancelar</Button>
-			<Button variant="destructive" onclick={confirmDelete}>Eliminar</Button>
-		</Dialog.Footer>
-	</Dialog.Content>
-</Dialog.Root>
diff --git a/frontend/src/routes/dashboard/catalogs/tariff-fractions/+page.svelte b/frontend/src/routes/dashboard/catalogs/tariff-fractions/+page.svelte
deleted file mode 100644
index 337aaa4d..00000000
--- a/frontend/src/routes/dashboard/catalogs/tariff-fractions/+page.svelte
+++ /dev/null
@@ -1,211 +0,0 @@
-<script lang="ts">
-	import { Button } from '$lib/components/ui/button';
-	import { Input } from '$lib/components/ui/input';
-	import * as Card from '$lib/components/ui/card';
-	import * as Table from '$lib/components/ui/table';
-	import { Search, Loader2, Download } from 'lucide-svelte';
-	import { getTariffFractions, type TariffFraction } from '$lib/api/dashboard/a76/general_catalogs/tariff-fractions';
-	import { companyStore } from '$lib/stores/company.svelte';
-	import { onMount } from 'svelte';
-
-	let tariffFractions = $state<TariffFraction[]>([]);
-	let filteredFractions = $state<TariffFraction[]>([]);
-	let searchQuery = $state('');
-	let isLoading = $state(false);
-	let currentPage = $state(1);
-	let totalPages = $state(1);
-	let totalRecords = $state(0);
-	const pageSize = 50;
-
-	onMount(() => {
-		loadTariffFractions();
-	});
-
-	// Filtrar fracciones cuando cambia la búsqueda
-	$effect(() => {
-		if (searchQuery.trim() === '') {
-			filteredFractions = tariffFractions;
-		} else {
-			const query = searchQuery.toLowerCase();
-			filteredFractions = tariffFractions.filter(
-				(fraction) =>
-					fraction.code.toLowerCase().includes(query) ||
-					fraction.fraction.toLowerCase().includes(query) ||
-					(fraction.description ?? '').toLowerCase().includes(query) ||
-					(fraction.nico ?? '').toLowerCase().includes(query) ||
-					(fraction.umt ?? '').toLowerCase().includes(query)
-			);
-		}
-	});
-
-	async function loadTariffFractions(page: number = 1) {
-		const companyId = companyStore.activeCompany?.id;
-		if (!companyId) {
-			console.error('No hay compañía activa');
-			return;
-		}
-
-		isLoading = true;
-		try {
-			const response = await getTariffFractions(page, pageSize, companyId);
-			if (response.data) {
-				tariffFractions = response.data.items;
-				filteredFractions = response.data.items;
-				totalPages = response.data.pages;
-				totalRecords = response.data.total;
-				currentPage = response.data.page;
-			}
-		} catch (error) {
-			console.error('Error cargando fracciones arancelarias:', error);
-		} finally {
-			isLoading = false;
-		}
-	}
-
-	async function goToPage(page: number) {
-		if (page >= 1 && page <= totalPages && page !== currentPage) {
-			await loadTariffFractions(page);
-		}
-	}
-</script>
-
-<div class="container mx-auto p-6">
-	<Card.Root>
-		<Card.Header class="text-center border-b">
-			<Card.Title class="text-2xl font-bold uppercase">
-				Catálogo de Fracciones SITAR - SCAII
-			</Card.Title>
-			<p class="text-muted-foreground mt-2">
-				Nomenclatura arancelaria mexicana completa
-			</p>
-		</Card.Header>
-
-		<Card.Content class="pt-6">
-			<div class="space-y-6">
-				<!-- Barra de búsqueda y acciones -->
-				<div class="flex gap-4 items-center">
-					<div class="flex-1 relative">
-						<Search class="absolute left-3 top-1/2 -translate-y-1/2 h-4 w-4 text-muted-foreground" />
-						<Input
-							bind:value={searchQuery}
-							placeholder="Buscar por código, fracción, descripción, NICO o UMT..."
-							class="pl-9"
-						/>
-					</div>
-					<Button variant="outline" size="icon" title="Exportar a CSV">
-						<Download class="h-4 w-4" />
-					</Button>
-				</div>
-
-				<!-- Información de registros -->
-				<div class="flex items-center justify-between text-sm text-muted-foreground">
-					<div>
-						{#if isLoading}
-							<div class="flex items-center gap-2">
-								<Loader2 class="h-4 w-4 animate-spin" />
-								<span>Cargando...</span>
-							</div>
-						{:else}
-							Mostrando {filteredFractions.length} de {totalRecords} fracciones arancelarias
-							{#if searchQuery}
-								(filtrado)
-							{/if}
-						{/if}
-					</div>
-					{#if !searchQuery && totalPages > 1}
-						<div class="flex items-center gap-2">
-							<span>Página {currentPage} de {totalPages}</span>
-						</div>
-					{/if}
-				</div>
-
-				<!-- Tabla de fracciones -->
-				<div class="border rounded-md overflow-auto max-h-[600px]">
-					<Table.Root>
-						<Table.Header class="sticky top-0 bg-background z-10">
-							<Table.Row>
-								<Table.Head class="w-[100px]">Código</Table.Head>
-								<Table.Head class="w-[120px]">Fracción</Table.Head>
-								<Table.Head class="min-w-[350px]">Descripción</Table.Head>
-								<Table.Head class="w-[80px]">NICO</Table.Head>
-								<Table.Head class="w-[80px]">UMT</Table.Head>
-								<Table.Head class="w-[100px]">Adv. Impo</Table.Head>
-								<Table.Head class="w-[100px]">Adv. Expo</Table.Head>
-							</Table.Row>
-						</Table.Header>
-						<Table.Body>
-							{#if filteredFractions.length === 0}
-								<Table.Row>
-									<Table.Cell colspan={7} class="text-center py-8 text-muted-foreground">
-										{#if isLoading}
-											Cargando fracciones arancelarias...
-										{:else if searchQuery}
-											No se encontraron fracciones que coincidan con la búsqueda
-										{:else}
-											No hay fracciones arancelarias disponibles
-										{/if}
-									</Table.Cell>
-								</Table.Row>
-							{:else}
-								{#each filteredFractions as fraction (fraction.id)}
-									<Table.Row class="hover:bg-muted/50">
-										<Table.Cell class="font-mono text-sm">{fraction.code}</Table.Cell>
-										<Table.Cell class="font-mono text-sm font-medium">{fraction.fraction}</Table.Cell>
-										<Table.Cell class="text-sm">
-											{fraction.description || '-'}
-										</Table.Cell>
-										<Table.Cell class="text-sm">{fraction.nico || '-'}</Table.Cell>
-										<Table.Cell class="text-sm">{fraction.umt || '-'}</Table.Cell>
-										<Table.Cell class="text-sm">{fraction.adv_impo || '-'}</Table.Cell>
-										<Table.Cell class="text-sm">{fraction.adv_expo || '-'}</Table.Cell>
-									</Table.Row>
-								{/each}
-							{/if}
-						</Table.Body>
-					</Table.Root>
-				</div>
-
-				<!-- Paginación -->
-				{#if !searchQuery && totalPages > 1}
-					<div class="flex items-center justify-center gap-2">
-						<Button
-							variant="outline"
-							size="sm"
-							disabled={currentPage === 1 || isLoading}
-							onclick={() => goToPage(1)}
-						>
-							Primera
-						</Button>
-						<Button
-							variant="outline"
-							size="sm"
-							disabled={currentPage === 1 || isLoading}
-							onclick={() => goToPage(currentPage - 1)}
-						>
-							Anterior
-						</Button>
-						<span class="px-4 text-sm">
-							Página {currentPage} de {totalPages}
-						</span>
-						<Button
-							variant="outline"
-							size="sm"
-							disabled={currentPage === totalPages || isLoading}
-							onclick={() => goToPage(currentPage + 1)}
-						>
-							Siguiente
-						</Button>
-						<Button
-							variant="outline"
-							size="sm"
-							disabled={currentPage === totalPages || isLoading}
-							onclick={() => goToPage(totalPages)}
-						>
-							Última
-						</Button>
-					</div>
-				{/if}
-			</div>
-		</Card.Content>
-	</Card.Root>
-</div>
diff --git a/frontend/src/routes/dashboard/goods/classes/+page.server.ts b/frontend/src/routes/dashboard/goods/classes/+page.server.ts
deleted file mode 100644
index 18249f9a..00000000
--- a/frontend/src/routes/dashboard/goods/classes/+page.server.ts
+++ /dev/null
@@ -1,62 +0,0 @@
-import type { PageServerLoad } from './$types';
-import { getAuthTokens, authenticatedFetch } from '$lib/server/api';
-
-export const load: PageServerLoad = async ({ cookies, fetch, url, parent }) => {
-    await parent();
-    const { accessToken } = getAuthTokens(cookies);
-
-    if (!accessToken) {
-        return { error: 'No authenticated', classes: { items: [], total: 0, page: 1, page_size: 50, pages: 0 } };
-    }
-
-    try {
-        const page = Number(url.searchParams.get('page')) || 1;
-        const pageSize = Number(url.searchParams.get('pageSize')) || 50;
-        
-
-        const filters: Record<string, string> = {};
-        
-      
-        const classCode = url.searchParams.get('class_code') || url.searchParams.get('code');
-        const description = url.searchParams.get('description'); 
-
-        if (classCode) filters.class_code = classCode; 
-        if (description) filters.description = description;
-
-
-        const parentData = await parent();
-        const cookieCompanyId = cookies.get('active_company_id');
-        const companyId = cookieCompanyId 
-            ? parseInt(cookieCompanyId)
-            : parentData.companies?.[0]?.id;
-
-        if (!companyId) {
-            return {
-                error: 'No se encontró una compañía seleccionada',
-                classes: { items: [], total: 0, page: 1, page_size: 50, pages: 0 }
-            };
-        }
-
-        const queryParams = new URLSearchParams({ 
-            company_id: companyId.toString(),
-            page: page.toString(), 
-            page_size: pageSize.toString(), 
-            ...filters 
-        });
-
-        // --- ZONA DE CAMBIO DE ENDPOINT ---
-      
-        const response = await authenticatedFetch(`v1/a76/classes?${queryParams.toString()}`, { method: 'GET' }, cookies, fetch);
-
-        if (!response.ok) {
-            return { error: 'Failed to load', classes: { items: [], total: 0, page, page_size: pageSize, pages: 0 } };
-        }
-
-        
-        return { classes: await response.json() };
-
-    } catch (error) {
-        console.error('Error loading classes:', error);
-        return { error: 'Error loading', classes: { items: [], total: 0, page: 1, page_size: 50, pages: 0 } };
-    }
-};
\ No newline at end of file
diff --git a/frontend/src/routes/dashboard/goods/classes/+page.svelte b/frontend/src/routes/dashboard/goods/classes/+page.svelte
deleted file mode 100644
index 3bec9de7..00000000
--- a/frontend/src/routes/dashboard/goods/classes/+page.svelte
+++ /dev/null
@@ -1,239 +0,0 @@
-<script lang="ts">
-    import { onMount } from 'svelte';
-    // import { classesApi } from '$lib/api/dashboard/a76/classes'; // <--- TODO: Descomentar cuando crees el archivo API
-    import DataTable from '$lib/components/dashboard/goods/classes/data-table.svelte';
-    import { createColumns } from '$lib/components/dashboard/goods/classes/columns.js';
-    import * as Card from '$lib/components/ui/card';
-    import { Button } from '$lib/components/ui/button';
-    import { Input } from '$lib/components/ui/input';
-    import { Label } from '$lib/components/ui/label';
-    import type { PageData } from './$types';
-    import { browser } from '$app/environment';
-    import { companyStore } from '$lib/stores/company.svelte';
-    import { Plus, Search, Trash2 } from 'lucide-svelte';
-
-    // 1. Recibimos la data del servidor (+page.server.ts)
-    let { data }: { data: PageData } = $props();    
-
-    // 2. Ajustamos el estado para Clases
-    let classesList = $state(data.classes?.items || []); 
-    let listLoading = $state(false);
-    let listError = $state<string | null>(data.error || null);
-
-    // Estado para búsqueda
-    let searchCode = $state(''); 
-    let searchedClass = $state<any | null>(null);
-    let searchLoading = $state(false);
-    let searchError = $state<string | null>(null);
-
-    onMount(() => {
-        if (browser) {
-            const getCookie = (name: string): string | null => {
-                const value = `; ${document.cookie}`;
-                const parts = value.split(`; ${name}=`);
-                if (parts.length === 2) return parts.pop()?.split(';').shift() || null;
-                return null;
-            };
-
-            const cookieToken = getCookie('access_token');
-            const localToken = localStorage.getItem('access_token');
-
-            if (cookieToken && cookieToken !== localToken) {
-                localStorage.setItem('access_token', cookieToken);
-            }
-
-            const cookieRefreshToken = getCookie('refresh_token');
-            const localRefreshToken = localStorage.getItem('refresh_token');
-
-            if (cookieRefreshToken && cookieRefreshToken !== localRefreshToken) {
-                localStorage.setItem('refresh_token', cookieRefreshToken);
-            }
-
-            // Escuchar cambios de compañía
-            const handleCompanyChange = (event: CustomEvent) => {               
-                reloadData();
-            };
-
-            window.addEventListener('companyChanged', handleCompanyChange as EventListener);
-
-            return () => {
-                window.removeEventListener('companyChanged', handleCompanyChange as EventListener);
-            };
-        }
-    });
-
-    async function handleSearch() {
-        if (!searchCode.trim()) {
-            searchError = 'Por favor ingresa un código de clase';
-            return;
-        }
-
-        searchLoading = true;
-        searchError = null;
-        searchedClass = null;
-
-        try {
-            // TODO: Usar tu API real aquí: const response = await classesApi.get(searchCode.trim());
-            console.log("Buscando clase:", searchCode);
-            
-            // MOCK TEMPORAL (Borrar esto cuando tengas el API):
-            const response = { error: null, data: null, status: 200 }; 
-            
-            if (response.error) {
-                searchError = response.error;
-                return;
-            }
-
-            if (response.data) {
-                searchedClass = response.data;
-            } else {
-                 // Simular no encontrado si usas el mock
-                 // searchError = 'No encontrado (Mock)';
-            }
-        } catch (e) {
-            searchError = 'Error al buscar la clase';
-            console.error('Error searching class:', e);
-        } finally {
-            searchLoading = false;
-        }
-    }
-
-    async function reloadData() {
-        searchCode = '';
-        searchedClass = null;
-        searchError = null;
-        
-        if (!companyStore.activeCompany) return;
-        
-        listLoading = true;
-        listError = null;
-
-        try {
-            // TODO: Usar tu API real aquí: await classesApi.list(...)
-            // Por ahora recargamos la página completa para traer datos frescos del server
-            window.location.reload(); 
-            
-        } catch (e) {
-            listError = 'Error recargando datos';
-            console.error('Error reloading:', e);
-        } finally {
-            listLoading = false;
-        }
-    }
-
-    function handleSuccess() {
-        reloadData();
-    }
-
-    // Asegúrate de que columns.js tenga los campos correctos (class_code, description, etc)
-    const columns = createColumns(handleSuccess);
-    
-    // Array reactivo
-    const classesData = $derived(searchedClass ? [searchedClass] : classesList);
-</script>
-
-<div class="space-y-6">
-    <div class="flex items-center justify-between">
-        <div>
-            <h1 class="text-3xl font-bold tracking-tight">Catálogo de Clases</h1>
-            <p class="text-muted-foreground">
-                Gestiona las clases de material (SCAII / SCAF)
-            </p>
-        </div>
-        <Button href="/dashboard/goods/classes/edit" >
-            <Plus class="mr-2" size={16} />
-            Nueva Clase
-        </Button>
-    </div>
-
-    <Card.Root>
-        <Card.Header>
-            <Card.Title>Buscar Clase</Card.Title>
-        </Card.Header>
-        <Card.Content>
-            <form onsubmit={(e) => { e.preventDefault(); handleSearch(); }} class="space-y-4">
-                <div class="flex gap-4">
-                    <div class="flex-1 space-y-2">
-                        <Label for="search-key">Código de Clase</Label>
-                        <Input
-                            id="search-key"
-                            bind:value={searchCode}
-                            placeholder="Ej: ACERO"
-                            maxlength={10} 
-                            disabled={searchLoading}
-                        />
-                    </div>
-                    <div class="flex items-end gap-2">
-                        <Button type="submit" disabled={searchLoading}>
-                            {#if searchLoading}
-                                <div class="flex items-center gap-2">
-                                    <div class="h-4 w-4 animate-spin rounded-full border-2 border-primary-foreground border-t-transparent"></div>
-                                    Buscando...
-                                </div>
-                            {:else}
-                                <Search class="mr-2" size={16} />
-                                Buscar
-                            {/if}
-                        </Button>
-                        {#if searchedClass}
-                            <Button type="button" variant="outline" onclick={reloadData}>
-                                <Trash2 class="mr-2" size={16} />
-                                Limpiar
-                            </Button>
-                        {/if}
-                    </div>
-                </div>
-
-                {#if searchError}
-                    <div class="rounded-lg border border-destructive bg-destructive/10 p-3 text-sm text-destructive">
-                        {searchError}
-                    </div>
-                {/if}
-            </form>
-        </Card.Content>
-    </Card.Root>
-
-    <Card.Root>
-        <Card.Header>
-            <div class="flex items-center justify-between">
-                <div>
-                    <Card.Title>
-                        {#if searchedClass}
-                            Resultado de la Búsqueda
-                        {:else}
-                            Listado de Clases
-                        {/if}
-                    </Card.Title>
-                    <Card.Description>
-                        {#if searchedClass}
-                            Se encontró 1 Clase
-                        {:else if listLoading}
-                            Cargando Clases...
-                        {:else}
-                            Total: {classesList.length} registro{classesList.length !== 1 ? 's' : ''}
-                        {/if}
-                    </Card.Description>
-                </div>
-            </div>
-        </Card.Header>
-        <Card.Content>
-            {#if listError}
-                <div class="rounded-lg border border-destructive bg-destructive/10 p-4 text-sm text-destructive">
-                    {listError}
-                </div>
-            {:else if listLoading}
-                <div class="flex items-center justify-center py-8">
-                    <div class="flex items-center gap-2 text-muted-foreground">
-                        <div class="h-6 w-6 animate-spin rounded-full border-2 border-primary border-t-transparent"></div>
-                        Cargando Clases...
-                    </div>
-                </div>
-            {:else}
-                <DataTable
-                    data={classesData}
-                    {columns}
-                />
-            {/if}
-        </Card.Content>
-    </Card.Root>
-</div>
\ No newline at end of file
diff --git a/frontend/src/routes/dashboard/goods/classes/edit/[[id]]/+page.svelte b/frontend/src/routes/dashboard/goods/classes/edit/[[id]]/+page.svelte
deleted file mode 100644
index 90d0803a..00000000
--- a/frontend/src/routes/dashboard/goods/classes/edit/[[id]]/+page.svelte
+++ /dev/null
@@ -1,413 +0,0 @@
-<script lang="ts">
-    import { page } from '$app/stores';
-    import { goto } from '$app/navigation';
-    import { onMount } from 'svelte';
-    
-    // Componentes UI
-    import { Button } from '$lib/components/ui/button';
-    import { Input } from '$lib/components/ui/input';
-    import { Label } from '$lib/components/ui/label';
-    import { Textarea } from '$lib/components/ui/textarea';
-    import * as Tabs from '$lib/components/ui/tabs';
-    import * as Card from '$lib/components/ui/card';
-    import { 
-        ArrowLeft, LoaderCircle, Save, Search, 
-        User, Package, Scale, BookOpen, Layers, Tag, CheckCircle2 
-    } from 'lucide-svelte';
-
-    // Stores y APIs
-    import { companyStore } from '$lib/stores/company.svelte';
-    import { 
-        classesApi, 
-        type A76ClassCreate, 
-        type A76ClassUpdate 
-    } from '$lib/api/dashboard/a76/classes';
-    import { materialTypesApi } from "$lib/api/dashboard/a76/material-types";
-    import { clientsProvidersApi } from '$lib/api/dashboard/a76/clients-providers';
-   
-    // --- MODALES IMPORTADOS ---
-    import MaterialTypeSelectorDialog from '$lib/components/dashboard/goods/modales/material-type-selector-dialog.svelte';
-    import UnitMeasureSelectorDialog from '$lib/components/dashboard/goods/modales/unit-measure-dialog.svelte';
-    import ClientSelectorDialog from '$lib/components/dashboard/goods/modales/client-selector-dialog.svelte';
-
-    // --- 1. LÓGICA DE IDENTIFICACIÓN ---
-    let id = $derived($page.params.id === 'new' ? null : Number($page.params.id));
-    let isEdit = $derived(!!id);
-    let title = $derived(isEdit ? "Editar Clase" : "Nueva Clase");
-
-    // --- 2. ESTADOS ---
-    let loading = $state(false);
-    let error = $state<string | null>(null);
-
-    let showClientModal = $state(false);
-    let showMaterialModal = $state(false);
-    let showUnitModal = $state(false);
-
-    let selectedClientName = $state("");
-    let selectedMaterialDesc = $state("");
-    let selectedUnitDesc = $state("");
-
-    // Formulario Inicial
-    function getEmptyForm(): A76ClassCreate {
-        return {
-            company_id: 0,
-            client_id: 0,
-            class_code: '',
-            description_es: '',
-            description_en: '',
-            material_key: '',
-            unit_of_measure: '',
-            fraction: '',
-            us_fraction: '',
-            sub_key: '',
-            physical_review: 0,
-            iva_exempt_fraction: ''
-        };
-    }
-
-    let formData = $state<A76ClassCreate>(getEmptyForm());
-
-    // --- 3. CARGA DE DATOS (Mount) ---
-    onMount(async () => {
-        const companyId = companyStore.activeCompany?.id;
-        if (!companyId) return;
-
-        if (id) {
-            await loadClassData(id, companyId);
-        }
-    });
-
-   
-    async function loadClassData(classId: number, companyId: number) {
-        loading = true;
-        try {
-            const response = await classesApi.get(classId, companyId);
-
-            if (response.error) {
-                error = response.error;
-                return;
-            }
-
-            if (response.data) {
-                const data = response.data;
-                formData = {
-                    company_id: data.company_id,
-                    client_id: data.client_id,
-                    class_code: data.class_code,
-                    description_es: data.description_es || '',
-                    description_en: data.description_en || '',
-                    material_key: data.material_key || '',
-                    unit_of_measure: data.unit_of_measure,
-                    fraction: data.fraction,
-                    us_fraction: data.us_fraction,
-                    sub_key: data.sub_key,
-                    physical_review: data.physical_review,
-                    iva_exempt_fraction: data.iva_exempt_fraction
-                };
-
-                if (data.client_id) await fetchClientName(data.client_id, companyId);
-                if (data.material_key) await fetchMaterialName(data.material_key);
-                if (data.unit_of_measure) selectedUnitDesc = data.unit_of_measure; 
-            }
-        } catch (e) {
-            error = "No se pudo cargar la información de la Clase";
-            console.error(e);
-        } finally {
-            loading = false;
-        }
-    }
-
-    // --- HELPERS PARA RECUPERAR NOMBRES (Solo visual) ---
-    async function fetchClientName(clientId: number, companyId: number) {
-        try {
-            const res = await clientsProvidersApi.get(clientId, companyId);
-            const data = (res as any).data || res;
-            if (data) selectedClientName = data.name;
-        } catch (e) { console.log("Error visual cliente", e); }
-    }
-
-    async function fetchMaterialName(key: string) {
-        try {
-            const res = await materialTypesApi.list(1, 100); 
-            const list = (res as any).data?.items || [];
-            const found = list.find((m: any) => m.key === key);
-            if (found) selectedMaterialDesc = found.description;
-            else selectedMaterialDesc = key;
-        } catch (e) { console.log("Error visual material", e); }
-    }
-
-    // --- HANDLERS DE SELECCIÓN DE MODALES ---
-    
-    function handleClientSelect(client: any) {
-        formData.client_id = client.id;
-        selectedClientName = client.name;
-    }
-
-    function handleMaterialSelect(item: any) {
-        formData.material_key = item.key;
-        selectedMaterialDesc = item.description || item.name;
-    }
-
-    function handleUnitSelect(item: any) {
-        formData.unit_of_measure = item.code; 
-        selectedUnitDesc = item.description || item.code;
-    }
-
-    // --- 4. GUARDADO ---
-    async function handleSubmit() {
-        error = null;
-        const activeCompanyId = companyStore.activeCompany?.id;
-
-        // Validaciones
-        if (!activeCompanyId) { error = 'Selecciona una compañía'; return; }
-        if (!formData.client_id) { error = 'Debes seleccionar un Cliente'; return; }
-        if (!formData.class_code?.trim()) { error = 'La Clave de Clase es requerida'; return; }
-        if (!formData.fraction?.trim()) { error = 'La Fracción es requerida'; return; }
-
-        loading = true;
-        try {
-            formData.company_id = activeCompanyId;
-
-            const cleanData = {
-                ...formData,
-                description_es: formData.description_es || null,
-                description_en: formData.description_en || null,
-                material_key: formData.material_key || null,
-            };
-
-            if (isEdit && id) {
-                const updatePayload: A76ClassUpdate = cleanData;
-                const response = await classesApi.update(id, updatePayload, activeCompanyId);
-                if (response.error) throw new Error(response.error);
-            } else {
-                const response = await classesApi.create(cleanData, activeCompanyId);
-                if (response.error) throw new Error(response.error);
-            }
-            
-            goto('/dashboard/goods/classes'); 
-        } catch (e: any) {
-            error = e.message || 'Error al guardar';
-        } finally {
-            loading = false;
-        }
-    }
-</script>
-
-<div class="w-full mx-auto max-w-6xl py-6 px-4 space-y-6 pb-48">
-    <div class="flex items-center gap-4">
-        <Button variant="outline" size="icon" href="/dashboard/goods/classes">
-            <ArrowLeft class="h-4 w-4" />
-        </Button>
-        <div>
-            <h1 class="text-2xl font-bold tracking-tight">{title}</h1>
-            <p class="text-muted-foreground">Gestión de catálogo de clases (Anexo 24).</p>
-        </div>
-    </div>
-
-    {#if error}
-        <div class="p-4 rounded-md bg-destructive/10 text-destructive border border-destructive/20 text-sm font-medium animate-in slide-in-from-top-2">
-            ⚠️ {error}
-        </div>
-    {/if}
-
-    {#key id}
-        <form onsubmit={(e) => { e.preventDefault(); handleSubmit(); }} class="space-y-6">
-            <Card.Root>
-                <Card.Content class="p-6">
-                    <Tabs.Root value="general" class="w-full">
-                        <div class="min-h-[400px]">
-                            
-                            <Tabs.Content value="general" class="space-y-6 pt-4 animate-in fade-in duration-300">
-                                <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
-                                    
-                                    <div class="grid gap-2">
-                                        <Label for="class_code" class="required">Clave de Clase</Label>
-                                        <Input id="class_code" bind:value={formData.class_code} maxlength={8} class="font-mono text-lg" placeholder="Ej. ACERO" />
-                                    </div>
-
-                                    <div class="grid gap-2">
-                                        <Label for="client_id" class="required">Cliente Asignado</Label>
-                                        <div class="flex gap-2">
-                                            <div class="relative flex-1">
-                                                <User class="absolute left-3 top-2.5 h-4 w-4 text-muted-foreground" />
-                                                <Input 
-                                                    type="text" 
-                                                    id="client_id" 
-                                                    value={formData.client_id ? `ID: ${formData.client_id}` : ''}
-                                                    placeholder="Seleccione un cliente..." 
-                                                    class="pl-9 cursor-pointer"
-                                                    readonly
-                                                    onclick={() => showClientModal = true}
-                                                />
-                                            </div>
-                                            <Button variant="outline" size="icon" type="button" onclick={() => showClientModal = true}>
-                                                <Search class="h-4 w-4" />
-                                            </Button>
-                                        </div>
-                                        {#if selectedClientName}
-                                            <div class="text-xs text-primary font-medium px-1 flex items-center gap-1 animate-in fade-in">
-                                                <CheckCircle2 class="h-3 w-3" /> {selectedClientName}
-                                            </div>
-                                        {/if}
-                                    </div>
-                                </div>
-
-                                <div class="grid gap-4 p-4 bg-slate-50 dark:bg-slate-900/30 rounded-lg border">
-                                    <h3 class="font-medium text-sm text-muted-foreground flex items-center gap-2">
-                                        <BookOpen class="h-4 w-4"/> Descripciones
-                                    </h3>
-                                    <div class="grid gap-4">
-                                        <div class="grid gap-2">
-                                            <Label for="desc_es">Descripción (Español)</Label>
-                                            <Textarea id="desc_es" bind:value={formData.description_es} class="min-h-[80px]" maxlength={500} />
-                                        </div>
-                                        <div class="grid gap-2">
-                                            <Label for="desc_en">Descripción (Inglés)</Label>
-                                            <Textarea id="desc_en" bind:value={formData.description_en} class="min-h-[80px]" maxlength={500} />
-                                        </div>
-                                    </div>
-                                </div>
-                            </Tabs.Content>
-
-                            <Tabs.Content value="technical" class="space-y-6 pt-4 animate-in fade-in duration-300">
-                                <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
-                                    
-                                    <div class="grid gap-2">
-                                        <Label for="material_key">Tipo de Material</Label>
-                                        <div class="flex gap-2">
-                                            <div class="relative flex-1">
-                                                <Layers class="h-4 w-4 absolute left-3 top-2.5 text-muted-foreground" />
-                                                <Input 
-                                                    id="material_key"
-                                                    value={formData.material_key}
-                                                    placeholder="Seleccione material..."
-                                                    class="pl-9 font-mono cursor-pointer"
-                                                    readonly
-                                                    onclick={() => showMaterialModal = true}
-                                                />
-                                            </div>
-                                            <Button variant="outline" size="icon" type="button" onclick={() => showMaterialModal = true}>
-                                                <Search class="h-4 w-4" />
-                                            </Button>
-                                        </div>
-                                        {#if selectedMaterialDesc}
-                                            <div class="text-xs text-blue-600 font-medium px-1 flex items-center gap-1 animate-in fade-in">
-                                                <Tag class="h-3 w-3" /> {selectedMaterialDesc}
-                                            </div>
-                                        {/if}
-                                    </div>
-
-                                    <div class="grid gap-2">
-                                        <Label for="uom" class="required">Unidad de Medida (TIGIE)</Label>
-                                        <div class="flex gap-2">
-                                            <div class="relative flex-1">
-                                                <Scale class="h-4 w-4 absolute left-3 top-2.5 text-muted-foreground" />
-                                                <Input 
-                                                    id="uom"
-                                                    value={formData.unit_of_measure}
-                                                    placeholder="Seleccione unidad..."
-                                                    class="pl-9 font-mono cursor-pointer"
-                                                    readonly
-                                                    onclick={() => showUnitModal = true}
-                                                />
-                                            </div>
-                                            <Button variant="outline" size="icon" type="button" onclick={() => showUnitModal = true}>
-                                                <Search class="h-4 w-4" />
-                                            </Button>
-                                        </div>
-                                        {#if selectedUnitDesc}
-                                            <div class="text-xs text-muted-foreground px-1 animate-in fade-in">
-                                                {selectedUnitDesc}
-                                            </div>
-                                        {/if}
-                                    </div>
-                                </div>
-                                
-                                <div class="grid grid-cols-1 md:grid-cols-2 gap-4 pt-4 border-t">
-                                    <div class="grid gap-2">
-                                        <Label for="fraction" class="required">Fracción Arancelaria (MX)</Label>
-                                        <Input id="fraction" bind:value={formData.fraction} maxlength={10} placeholder="Ej: 12345678" />
-                                    </div>
-                                    <div class="grid gap-2">
-                                        <Label for="us_fraction">Fracción Arancelaria (US)</Label>
-                                        <Input id="us_fraction" bind:value={formData.us_fraction} maxlength={16} placeholder="Ej: 12345678" />
-                                    </div>
-                                </div>
-                            </Tabs.Content>
-
-                            <Tabs.Content value="others" class="space-y-4 pt-4 animate-in fade-in duration-300">
-                                <div class="p-4 border rounded-lg bg-card grid grid-cols-1 md:grid-cols-3 gap-6">
-                                    <div class="grid gap-2">
-                                        <Label for="sub_key">Subclave</Label>
-                                        <Input id="sub_key" bind:value={formData.sub_key} maxlength={5} />
-                                    </div>
-                                    <div class="grid gap-2">
-                                        <Label for="iva_exempt">Fracción Exenta IVA</Label>
-                                        <Input id="iva_exempt" bind:value={formData.iva_exempt_fraction} maxlength={4} />
-                                    </div>
-                                    
-                                    <div class="grid gap-2">
-                                        <Label for="phys_rev">Revisión Física</Label>
-                                        <select 
-                                            id="phys_rev"
-                                            bind:value={formData.physical_review}
-                                            class="flex h-9 w-full rounded-md border border-input bg-background px-3 py-1 text-sm shadow-sm transition-colors focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring"
-                                        >
-                                            <option value={0}>No</option>
-                                            <option value={1}>Sí</option>
-                                        </select>
-                                    </div>
-                                </div>
-                            </Tabs.Content>
-                        </div>
-
-                        <Tabs.List class="grid grid-cols-3 fixed bottom-24 left-1/2 -translate-x-1/2 w-[95%] max-w-xl z-40 shadow-2xl bg-background border p-1 rounded-xl">
-                            <Tabs.Trigger value="general" class="flex gap-2 items-center justify-center"><Package class="h-4 w-4 hidden sm:block"/> General</Tabs.Trigger>
-                            <Tabs.Trigger value="technical" class="flex gap-2 items-center justify-center"><Layers class="h-4 w-4 hidden sm:block"/> Clasificación</Tabs.Trigger>
-                            <Tabs.Trigger value="others" class="flex gap-2 items-center justify-center"><BookOpen class="h-4 w-4 hidden sm:block"/> Otros</Tabs.Trigger>
-                        </Tabs.List>
-                    </Tabs.Root>
-                </Card.Content>
-            </Card.Root>
-
-            <div class="fixed bottom-0 right-0 left-0 md:left-64 p-4 border-t bg-background/95 backdrop-blur z-50 flex justify-end gap-4 shadow-inner">
-                <div class="max-w-6xl mx-auto flex justify-end gap-4 px-4 w-full">
-                    <Button type="button" variant="ghost" href="/dashboard/goods/classes" disabled={loading}>
-                        Cancelar
-                    </Button>
-                    <Button type="submit" disabled={loading} class="min-w-[140px]">
-                        {#if loading}
-                            <LoaderCircle class="mr-2 h-4 w-4 animate-spin" />
-                            Guardando...
-                        {:else}
-                            <Save class="mr-2 h-4 w-4" />
-                            {isEdit ? 'Actualizar' : 'Guardar'}
-                        {/if}
-                    </Button>
-                </div>
-            </div>
-        </form>
-    {/key}
-</div>
-
-<ClientSelectorDialog 
-    bind:open={showClientModal} 
-    onSelect={handleClientSelect} 
-/>
-
-<MaterialTypeSelectorDialog 
-    bind:open={showMaterialModal}
-    onSelect={handleMaterialSelect}
-/>
-
-<UnitMeasureSelectorDialog 
-    bind:open={showUnitModal}
-    onSelect={handleUnitSelect}
-/>
-
-<style>
-    :global(.required::after) {
-        content: " *";
-        color: hsl(var(--destructive));
-    }
-</style>
\ No newline at end of file
diff --git a/frontend/src/routes/dashboard/merchandise/fixed_asset_classes/+page.svelte b/frontend/src/routes/dashboard/merchandise/fixed_asset_classes/+page.svelte
deleted file mode 100644
index 86c1e427..00000000
--- a/frontend/src/routes/dashboard/merchandise/fixed_asset_classes/+page.svelte
+++ /dev/null
@@ -1,1540 +0,0 @@
-<script lang="ts">
-	import { Button } from '$lib/components/ui/button';
-	import { Input } from '$lib/components/ui/input';
-	import { Label } from '$lib/components/ui/label';
-	import * as Card from '$lib/components/ui/card';
-	import * as Dialog from '$lib/components/ui/dialog';
-	import { Folder, Save } from 'lucide-svelte';
-	import { toast } from 'svelte-sonner';
-	import { materialTypesApi, type MaterialType } from '$lib/api/dashboard/refrence_data/material_types';
-	import { getTariffFractions, type TariffFraction } from '$lib/api/dashboard/a76/general_catalogs/tariff-fractions';
-	import { getUSTariffFractions, createUSTariffFraction, updateUSTariffFraction, deleteUSTariffFraction, type USTariffFraction, type USTariffFractionCreate, type USTariffFractionUpdate } from '$lib/api/dashboard/a76/general_catalogs/us-tariff-fractions';
-	import { getDepreciationCatalog, type DepreciationCatalog } from '$lib/api/dashboard/a76/general_catalogs/depreciation-catalog';
-	import { getFDACatalog, type FDACatalog } from '$lib/api/dashboard/a76/general_catalogs/fda-catalog';
-	import { companyStore } from '$lib/stores/company.svelte';
-
-	// Tipo para unidad de medida con todos los campos
-	interface UnitOfMeasure {
-		code: string;
-		description: string;
-		descriptionEnglish: string;
-		claveMexicana: string;
-		claveAmericana: string;
-		claveACE: string;
-		claveOMA: string;
-	}
-
-	// Datos de unidades de medida
-	const unitsOfMeasureData: UnitOfMeasure[] = [
-		{ code: 'BARR', description: 'BARRIL', descriptionEnglish: 'BARREL', claveMexicana: '8', claveAmericana: 'BBL', claveACE: '', claveOMA: 'BLL' },
-		{ code: 'BD FT', description: 'PIE TABLA', descriptionEnglish: 'BD FEET', claveMexicana: '5', claveAmericana: 'FT', claveACE: '', claveOMA: 'BFT' },
-		{ code: 'BOLS', description: 'BOLSA', descriptionEnglish: 'BAG', claveMexicana: '6', claveAmericana: 'PCS', claveACE: '', claveOMA: 'BG' },
-		{ code: 'BTL', description: 'BOTELLA', descriptionEnglish: 'BOTTLE', claveMexicana: '21', claveAmericana: 'PCS', claveACE: '', claveOMA: 'BO' },
-		{ code: 'BULT', description: 'BULTO', descriptionEnglish: 'BULK', claveMexicana: '6', claveAmericana: 'PCS', claveACE: '', claveOMA: 'VQ' },
-		{ code: 'CAJA', description: 'CAJA', descriptionEnglish: 'BOX', claveMexicana: '20', claveAmericana: '', claveACE: '', claveOMA: 'BX' },
-		{ code: 'CARAT', description: 'CARAT', descriptionEnglish: 'CARAT', claveMexicana: '22', claveAmericana: '', claveACE: '', claveOMA: 'HE' },
-		{ code: 'CBZA', description: 'CABEZA', descriptionEnglish: 'HEAD', claveMexicana: '7', claveAmericana: 'PCS', claveACE: '', claveOMA: 'Z4' },
-		{ code: 'CIEN', description: 'CIENTO', descriptionEnglish: 'CIEN', claveMexicana: '18', claveAmericana: '', claveACE: '', claveOMA: 'CEN' },
-		{ code: 'CM', description: 'CENTIMETRO', descriptionEnglish: 'CM', claveMexicana: '3', claveAmericana: 'CM', claveACE: '', claveOMA: 'CMT' },
-		{ code: 'CM2', description: 'CENTIMETRO CUADRADO', descriptionEnglish: 'CM2', claveMexicana: '4', claveAmericana: 'CM2', claveACE: '', claveOMA: 'CMK' },
-		{ code: 'DEC', description: 'DECENA', descriptionEnglish: '', claveMexicana: '17', claveAmericana: '', claveACE: '', claveOMA: 'DC' },
-		{ code: 'DM', description: 'DECIMETRO', descriptionEnglish: 'DM', claveMexicana: '3', claveAmericana: '', claveACE: '', claveOMA: 'DMT' },
-		{ code: 'DM2', description: 'DECIMETRO CUADRADO', descriptionEnglish: 'SQ DM', claveMexicana: '4', claveAmericana: '', claveACE: '', claveOMA: 'DMK' },
-		{ code: 'DOCE', description: 'DOCENA', descriptionEnglish: 'DOZ', claveMexicana: '19', claveAmericana: 'DOZ', claveACE: 'DZ', claveOMA: 'DZN' },
-		{ code: 'FOZ', description: 'ONZA LIQUIDA', descriptionEnglish: 'FOZ', claveMexicana: '8', claveAmericana: 'FOZ', claveACE: '', claveOMA: 'OZA' },
-		{ code: 'FT', description: 'PIES', descriptionEnglish: 'FT', claveMexicana: '3', claveAmericana: 'FT', claveACE: '', claveOMA: 'LF' },
-		{ code: 'FT2', description: 'PIE CUADRADO', descriptionEnglish: 'FT2', claveMexicana: '4', claveAmericana: 'SFT', claveACE: '', claveOMA: 'FTK' },
-		{ code: 'GAL', description: 'GALON', descriptionEnglish: 'GAL', claveMexicana: '8', claveAmericana: 'GAL', claveACE: '', claveOMA: 'GLL' },
-		{ code: 'GR', description: 'GRAMO', descriptionEnglish: 'GRAM', claveMexicana: '2', claveAmericana: '', claveACE: '', claveOMA: 'GRM' },
-		{ code: 'IN', description: 'PULGADA', descriptionEnglish: 'IN', claveMexicana: '3', claveAmericana: '', claveACE: '', claveOMA: 'LI' },
-		{ code: 'IN2', description: 'PULGADA CUADRADA', descriptionEnglish: 'IN2', claveMexicana: '4', claveAmericana: '', claveACE: '', claveOMA: 'INK' },
-		{ code: 'JGO', description: 'JUEGO', descriptionEnglish: 'SET', claveMexicana: '12', claveAmericana: '', claveACE: '', claveOMA: 'SET' },
-		{ code: 'KGS', description: 'KILOGRAMOS', descriptionEnglish: 'KGS', claveMexicana: '1', claveAmericana: 'KG2', claveACE: '', claveOMA: 'KGM' },
-		{ code: 'LB', description: 'LIBRAS', descriptionEnglish: 'LB', claveMexicana: '1', claveAmericana: '', claveACE: '', claveOMA: 'LBR' },
-		{ code: 'LT', description: 'LITRO', descriptionEnglish: 'LT', claveMexicana: '8', claveAmericana: 'L', claveACE: '', claveOMA: 'LTR' },
-		{ code: 'M2', description: 'METRO CUADRADO', descriptionEnglish: 'M2', claveMexicana: '4', claveAmericana: 'M2', claveACE: '', claveOMA: 'MTK' },
-		{ code: 'M3', description: 'METRO CUBICO', descriptionEnglish: 'M3', claveMexicana: '5', claveAmericana: 'M3', claveACE: '', claveOMA: 'MTQ' },
-		{ code: 'MI', description: 'MILLA', descriptionEnglish: 'MILE', claveMexicana: '3', claveAmericana: 'KM', claveACE: '', claveOMA: 'SMI' },
-		{ code: 'MILLR', description: 'MILLAR', descriptionEnglish: 'MILLR', claveMexicana: '11', claveAmericana: '', claveACE: '', claveOMA: 'MIL' },
-		{ code: 'MT', description: 'METROS', descriptionEnglish: 'MT', claveMexicana: '3', claveAmericana: 'M', claveACE: '', claveOMA: 'MTR' },
-		{ code: 'OZ', description: 'ONZA', descriptionEnglish: 'OZ', claveMexicana: '8', claveAmericana: 'FOZ', claveACE: '', claveOMA: 'OZ' },
-		{ code: 'PAR', description: 'PAR', descriptionEnglish: 'PAIR', claveMexicana: '9', claveAmericana: '', claveACE: '', claveOMA: 'PB' },
-		{ code: 'PQ', description: 'PAQUETE', descriptionEnglish: 'PACKAGE', claveMexicana: '6', claveAmericana: 'PCS', claveACE: '', claveOMA: 'PK_1' },
-		{ code: 'PZA', description: 'PIEZA', descriptionEnglish: 'PCS', claveMexicana: '6', claveAmericana: 'PCS', claveACE: '', claveOMA: 'C62_1' },
-		{ code: 'QGL', description: 'CUARTO DE GALON', descriptionEnglish: 'QGL', claveMexicana: '8', claveAmericana: '', claveACE: '', claveOMA: 'QT' },
-		{ code: 'ROLL', description: 'ROLLO', descriptionEnglish: 'ROLL', claveMexicana: '6', claveAmericana: '', claveACE: '', claveOMA: 'RO' },
-		{ code: 'TON', description: 'TONELADA', descriptionEnglish: 'TON', claveMexicana: '14', claveAmericana: 'TON', claveACE: '', claveOMA: 'TNE_1' },
-		{ code: 'TOZ', description: 'ONZA TROY', descriptionEnglish: 'TOZ', claveMexicana: '1', claveAmericana: 'TOZ', claveACE: '', claveOMA: 'APZ' },
-		{ code: 'YD', description: 'YARDA', descriptionEnglish: 'YD', claveMexicana: '3', claveAmericana: 'YD', claveACE: '', claveOMA: 'YRD' },
-		{ code: 'YD2', description: 'YARDA CUADRADA', descriptionEnglish: 'YD2', claveMexicana: '4', claveAmericana: 'SYD', claveACE: '', claveOMA: 'YDK' }
-	];
-
-	// Estado del formulario
-	let formData = $state({
-		class_code: '',
-		description_es: '',
-		description_en: '',
-		material_key: '',
-		unit_of_measure: '',
-		fraction: '',
-		us_fraction: '',
-		annual_depreciation_rate: '',
-		fda_key: '',
-		iva_exempt_fraction: false,
-		physical_review: false,
-		carta_porte_code: '',
-		// Campos calculados/display
-		material_description: '',
-		unit_of_measure_description: '',
-		unit_measure_key: '',
-		fraction_umt: '',
-		fraction_uma_key: '',
-		us_fraction_ad_valorem: '',
-		us_fraction_fixed_rate: ''
-	});
-
-	// Estado de diálogos
-	let showMaterialDialog = $state(false);
-	let materialTypes = $state<MaterialType[]>([]);
-	let searchMaterial = $state('');
-
-	let showUnitDialog = $state(false);
-	let searchUnit = $state('');
-
-	let showFractionDialog = $state(false);
-	let searchFraction = $state('');
-	let tariffFractions = $state<TariffFraction[]>([]);
-	let isLoadingFractions = $state(false);
-	let currentPage = $state(1);
-	let hasMoreFractions = $state(true);
-	let totalFractions = $state(0);
-	let searchTimeout: NodeJS.Timeout | null = null;
-
-	let showUSFractionDialog = $state(false);
-	let searchUSFraction = $state('');
-	let usTariffFractions = $state<USTariffFraction[]>([]);
-	let isLoadingUSFractions = $state(false);
-	let currentUSPage = $state(1);
-	let hasMoreUSFractions = $state(true);
-	let totalUSFractions = $state(0);
-	let searchUSTimeout: NodeJS.Timeout | null = null;
-
-	// Estado para diálogo de edición/creación de fracción americana
-	let showUSFractionEditDialog = $state(false);
-	let editingUSFraction = $state<USTariffFraction | null>(null);
-	let usFractionFormData = $state({
-		code: '',
-		prefix: '',
-		type_code: 'percentage', // 'percentage' o 'fixed'
-		ad_valorem: 0,
-		fixed_cost: 0,
-		unit_of_measure: '',
-		description: ''
-	});
-	let showDeleteUSFractionDialog = $state(false);
-	let fractionToDelete = $state<USTariffFraction | null>(null);
-
-	let showDepreciationDialog = $state(false);
-	let searchDepreciation = $state('');
-	let depreciationCatalog = $state<DepreciationCatalog[]>([]);
-	let isLoadingDepreciation = $state(false);
-	let currentDepreciationPage = $state(1);
-	let hasMoreDepreciation = $state(true);
-	let totalDepreciation = $state(0);
-	let searchDepreciationTimeout: NodeJS.Timeout | null = null;
-
-	let showFDADialog = $state(false);
-	let searchFDA = $state('');
-	let fdaCatalog = $state<FDACatalog[]>([]);
-	let isLoadingFDA = $state(false);
-	let currentFDAPage = $state(1);
-	let hasMoreFDA = $state(true);
-	let totalFDA = $state(0);
-	let searchFDATimeout: NodeJS.Timeout | null = null;
-
-	let showCartaPorteDialog = $state(false);
-	let searchCartaPorte = $state('');
-	let cartaPorteCatalog = $state<any[]>([]);
-
-	// Variable para rastrear desde qué contexto se abre el diálogo de unidades
-	let unitSearchContext = $state<'form' | 'usFraction'>('form');
-
-	// Filtrar material types según búsqueda
-	const filteredMaterialTypes = $derived(
-		materialTypes.filter(
-			(mt) =>
-				mt.key.toLowerCase().includes(searchMaterial.toLowerCase()) ||
-				mt.description.toLowerCase().includes(searchMaterial.toLowerCase())
-		)
-	);
-
-	// Filtrar unidades de medida según búsqueda
-	const filteredUnitsOfMeasure = $derived(
-		unitsOfMeasureData.filter(
-			(unit) =>
-				unit.code.toLowerCase().includes(searchUnit.toLowerCase()) ||
-				unit.description.toLowerCase().includes(searchUnit.toLowerCase()) ||
-				unit.descriptionEnglish.toLowerCase().includes(searchUnit.toLowerCase()) ||
-				unit.claveMexicana.toLowerCase().includes(searchUnit.toLowerCase()) ||
-				unit.claveAmericana.toLowerCase().includes(searchUnit.toLowerCase())
-		)
-	);
-
-	// Filtrar fracciones arancelarias - ahora solo para mostrar
-	const filteredTariffFractions = $derived(tariffFractions);
-
-	function handleSave() {
-		console.log('Guardando clase de activo fijo:', formData);
-	}
-
-	function handleCancel() {
-		// Limpiar formulario o regresar
-	}
-
-	async function openMaterialSearch() {
-		showMaterialDialog = true;
-		if (materialTypes.length === 0) {
-			try {
-				const response = await materialTypesApi.list(1, 100);
-				materialTypes = response.data?.items || [];
-			} catch (error) {
-				console.error('Error cargando material types:', error);
-			}
-		}
-	}
-
-	function selectMaterial(material: MaterialType) {
-		formData.material_key = material.key;
-		formData.material_description = material.description;
-		showMaterialDialog = false;
-		searchMaterial = '';
-	}
-
-	async function openUnitOfMeasureSearch() {
-		unitSearchContext = 'form';
-		showUnitDialog = true;
-		searchUnit = '';
-	}
-
-	// Función para abrir búsqueda de unidades desde el diálogo de fracción americana
-	function openUnitSearch() {
-		unitSearchContext = 'usFraction';
-		showUnitDialog = true;
-		searchUnit = '';
-	}
-
-	function selectUnit(unit: UnitOfMeasure) {
-		if (unitSearchContext === 'usFraction') {
-			// Actualizar el formulario de fracción americana
-			usFractionFormData.unit_of_measure = unit.code;
-		} else {
-			// Actualizar el formulario principal
-			formData.unit_of_measure = unit.code;
-			formData.unit_of_measure_description = unit.description;
-			formData.unit_measure_key = unit.claveMexicana;
-		}
-		showUnitDialog = false;
-		searchUnit = '';
-	}
-
-	async function openFractionSearch() {
-		showFractionDialog = true;
-		searchFraction = '';
-		tariffFractions = [];
-		currentPage = 1;
-		totalFractions = 0;
-		hasMoreFractions = true;
-		// Cargar primera página
-		await loadFractions('', 1);
-	}
-
-	async function loadFractions(search: string, page: number = currentPage) {
-		const companyId = companyStore.activeCompany?.id;
-		if (!companyId || isLoadingFractions) return;
-
-		console.log('loadFractions llamada con:', { search, page, companyId });
-		isLoadingFractions = true;
-		try {
-			const filters = search ? { search } : {};
-			const pageSize = 100; // 100 registros por página
-			
-			console.log('Enviando request con filtros:', filters);
-			const response = await getTariffFractions(page, pageSize, companyId, filters);
-			
-			console.log('Response recibida:', response.data?.total, 'total,', response.data?.items?.length, 'items');
-			if (response.data) {
-				// Si es página 1, reemplazar; si no, agregar al final
-				if (page === 1) {
-					tariffFractions = [...response.data.items];
-				} else {
-					tariffFractions = [...tariffFractions, ...response.data.items];
-				}
-				
-				totalFractions = response.data.total;
-				currentPage = page;
-				hasMoreFractions = tariffFractions.length < response.data.total;
-			}
-		} catch (error) {
-			console.error('Error cargando fracciones arancelarias:', error);
-		} finally {
-			isLoadingFractions = false;
-		}
-	}
-
-	function handleScroll(event: Event) {
-		const target = event.target as HTMLElement;
-		const scrolledToBottom = target.scrollHeight - target.scrollTop <= target.clientHeight + 50;
-		
-		if (scrolledToBottom && hasMoreFractions && !isLoadingFractions) {
-			loadFractions(searchFraction, currentPage + 1);
-		}
-	}
-
-	function handleSearchInput() {
-		if (searchTimeout) clearTimeout(searchTimeout);
-		
-		searchTimeout = setTimeout(() => {
-			console.log('Buscando fracción:', searchFraction);
-			currentPage = 1;
-			hasMoreFractions = true;
-			loadFractions(searchFraction, 1);
-		}, 500);
-	}
-
-	function selectFraction(fraction: TariffFraction) {
-		formData.fraction = fraction.fraction;
-		formData.fraction_umt = (fraction.umt ?? '') as string;
-		formData.fraction_uma_key = (fraction.nico ?? '') as string;
-		showFractionDialog = false;
-		searchFraction = '';
-	}
-
-	// Funciones para fracciones americanas
-	async function openUSFractionSearch() {
-		showUSFractionDialog = true;
-		searchUSFraction = '';
-		usTariffFractions = [];
-		currentUSPage = 1;
-		totalUSFractions = 0;
-		hasMoreUSFractions = true;
-		await loadUSFractions('', 1);
-	}
-
-	// Funciones para catálogo de depreciación
-	async function openDepreciationSearch() {
-		showDepreciationDialog = true;
-		searchDepreciation = '';
-		depreciationCatalog = [];
-		currentDepreciationPage = 1;
-		totalDepreciation = 0;
-		hasMoreDepreciation = true;
-		await loadDepreciation('', 1);
-	}
-
-	async function loadDepreciation(search: string, page: number = currentDepreciationPage) {
-		const companyId = companyStore.activeCompany?.id;
-		if (!companyId || isLoadingDepreciation) return;
-
-		isLoadingDepreciation = true;
-		try {
-			const filters = search ? { search } : {};
-			const pageSize = 100;
-			
-			const response = await getDepreciationCatalog(page, pageSize, companyId, filters);
-			
-			if (response.data) {
-				if (page === 1) {
-					depreciationCatalog = [...response.data.items];
-				} else {
-					depreciationCatalog = [...depreciationCatalog, ...response.data.items];
-				}
-				
-				totalDepreciation = response.data.total;
-				currentDepreciationPage = page;
-				hasMoreDepreciation = depreciationCatalog.length < response.data.total;
-			}
-		} catch (error) {
-			console.error('Error cargando catálogo de depreciación:', error);
-			toast.error('Error al cargar el catálogo de depreciación');
-		} finally {
-			isLoadingDepreciation = false;
-		}
-	}
-
-	function handleDepreciationSearchInput() {
-		if (searchDepreciationTimeout) clearTimeout(searchDepreciationTimeout);
-		searchDepreciationTimeout = setTimeout(() => {
-			currentDepreciationPage = 1;
-			loadDepreciation(searchDepreciation, 1);
-		}, 500);
-	}
-
-	function selectDepreciation(item: any) {
-		formData.annual_depreciation_rate = item.depreciation_rate.toString();
-		showDepreciationDialog = false;
-		searchDepreciation = '';
-	}
-
-	function handleDepreciationScroll(event: Event) {
-		const target = event.target as HTMLElement;
-		const scrolledToBottom = target.scrollHeight - target.scrollTop <= target.clientHeight + 50;
-
-		if (scrolledToBottom && hasMoreDepreciation && !isLoadingDepreciation) {
-			loadDepreciation(searchDepreciation, currentDepreciationPage + 1);
-		}
-	}
-
-	async function loadUSFractions(search: string, page: number = currentUSPage) {
-		const companyId = companyStore.activeCompany?.id;
-		if (!companyId || isLoadingUSFractions) return;
-
-		console.log('loadUSFractions llamada con:', { search, page, companyId });
-		isLoadingUSFractions = true;
-		try {
-			const filters = search ? { search } : {};
-			const pageSize = 100;
-			
-			console.log('Enviando request US con filtros:', filters);
-			const response = await getUSTariffFractions(page, pageSize, companyId, filters);
-			
-			console.log('Response US recibida:', response.data?.total, 'total,', response.data?.items?.length, 'items');
-			if (response.data) {
-				if (page === 1) {
-					usTariffFractions = [...response.data.items];
-				} else {
-					usTariffFractions = [...usTariffFractions, ...response.data.items];
-				}
-				
-				totalUSFractions = response.data.total;
-				currentUSPage = page;
-				hasMoreUSFractions = usTariffFractions.length < response.data.total;
-			}
-		} catch (error) {
-			console.error('Error cargando fracciones americanas:', error);
-		} finally {
-			isLoadingUSFractions = false;
-		}
-	}
-
-	function handleUSScroll(event: Event) {
-		const target = event.target as HTMLElement;
-		const scrolledToBottom = target.scrollHeight - target.scrollTop <= target.clientHeight + 50;
-		
-		if (scrolledToBottom && hasMoreUSFractions && !isLoadingUSFractions) {
-			loadUSFractions(searchUSFraction, currentUSPage + 1);
-		}
-	}
-
-	function handleUSSearchInput() {
-		if (searchUSTimeout) clearTimeout(searchUSTimeout);
-		
-		searchUSTimeout = setTimeout(() => {
-			console.log('Buscando fracción US:', searchUSFraction);
-			currentUSPage = 1;
-			hasMoreUSFractions = true;
-			loadUSFractions(searchUSFraction, 1);
-		}, 500);
-	}
-
-	function selectUSFraction(fraction: USTariffFraction) {
-		formData.us_fraction = fraction.code;
-		formData.us_fraction_ad_valorem = (fraction.ad_valorem ?? 0).toString();
-		formData.us_fraction_fixed_rate = (fraction.fixed_cost ?? 0).toFixed(8);
-		showUSFractionDialog = false;
-		searchUSFraction = '';
-	}
-
-	// Funciones CRUD para fracciones americanas
-	function openUSFractionCreateDialog() {
-		editingUSFraction = null;
-		usFractionFormData = {
-			code: '',
-			prefix: '',
-			type_code: 'percentage',
-			ad_valorem: 0,
-			fixed_cost: 0,
-			unit_of_measure: '',
-			description: ''
-		};
-		showUSFractionEditDialog = true;
-	}
-
-	function openUSFractionEditDialogForEdit(fraction: USTariffFraction, event: Event) {
-		event.stopPropagation();
-		editingUSFraction = fraction;
-		usFractionFormData = {
-			code: fraction.code,
-			prefix: fraction.prefix || '',
-			type_code: fraction.ad_valorem && fraction.ad_valorem > 0 ? 'percentage' : 'fixed',
-			ad_valorem: fraction.ad_valorem || 0,
-			fixed_cost: fraction.fixed_cost || 0,
-			unit_of_measure: fraction.unit_of_measure || '',
-			description: fraction.description || ''
-		};
-		showUSFractionEditDialog = true;
-	}
-
-	async function saveUSFraction() {
-		const companyId = companyStore.activeCompany?.id;
-		if (!companyId) {
-			toast.error('No hay empresa seleccionada');
-			return;
-		}
-
-		if (!usFractionFormData.code.trim()) {
-			toast.error('La fracción HTS es obligatoria');
-			return;
-		}
-
-		try {
-			const data: USTariffFractionCreate | USTariffFractionUpdate = {
-				prefix: usFractionFormData.prefix || null,
-				type_code: usFractionFormData.type_code,
-				ad_valorem: usFractionFormData.type_code === 'percentage' ? Number(usFractionFormData.ad_valorem) : 0,
-				fixed_cost: usFractionFormData.type_code === 'fixed' ? Number(usFractionFormData.fixed_cost) : 0,
-				unit_of_measure: usFractionFormData.unit_of_measure || null,
-				description: usFractionFormData.description || null
-			};
-
-			if (editingUSFraction) {
-				// Actualizar
-				await updateUSTariffFraction(editingUSFraction.id, data, companyId);
-				toast.success('Fracción actualizada correctamente');
-			} else {
-				// Crear
-				const createData: USTariffFractionCreate = {
-					code: usFractionFormData.code,
-					...data
-				};
-				await createUSTariffFraction(createData, companyId);
-				toast.success('Fracción creada correctamente');
-			}
-
-			showUSFractionEditDialog = false;
-			// Recargar la lista
-			await loadUSFractions(searchUSFraction, 1);
-		} catch (error) {
-			console.error('Error guardando fracción:', error);
-			toast.error('Error al guardar la fracción');
-		}
-	}
-
-	function openDeleteUSFractionDialog(fraction: USTariffFraction, event: Event) {
-		event.stopPropagation();
-		fractionToDelete = fraction;
-		showDeleteUSFractionDialog = true;
-	}
-
-	async function confirmDeleteUSFraction() {
-		const companyId = companyStore.activeCompany?.id;
-		if (!companyId || !fractionToDelete) return;
-
-		try {
-			await deleteUSTariffFraction(fractionToDelete.id, companyId);
-			toast.success('Fracción eliminada correctamente');
-			showDeleteUSFractionDialog = false;
-			fractionToDelete = null;
-			// Recargar la lista
-			await loadUSFractions(searchUSFraction, 1);
-		} catch (error) {
-			console.error('Error eliminando fracción:', error);
-			toast.error('Error al eliminar la fracción');
-		}
-	}
-
-	function openFDASearch() {
-		showFDADialog = true;
-		searchFDA = '';
-		fdaCatalog = [];
-		currentFDAPage = 1;
-		totalFDA = 0;
-		hasMoreFDA = true;
-		loadFDA('', 1);
-	}
-
-	async function loadFDA(search: string, page: number = currentFDAPage) {
-		const companyId = companyStore.activeCompany?.id;
-		if (!companyId || isLoadingFDA) return;
-
-		isLoadingFDA = true;
-		try {
-			const filters = search ? { search } : {};
-			const pageSize = 100;
-			
-			const response = await getFDACatalog(page, pageSize, companyId, filters);
-			
-			if (response.data) {
-				if (page === 1) {
-					fdaCatalog = [...response.data.items];
-				} else {
-					fdaCatalog = [...fdaCatalog, ...response.data.items];
-				}
-				
-				totalFDA = response.data.total;
-				currentFDAPage = page;
-				hasMoreFDA = fdaCatalog.length < response.data.total;
-			}
-		} catch (error) {
-			console.error('Error cargando catálogo FDA:', error);
-			toast.error('Error al cargar el catálogo FDA');
-		} finally {
-			isLoadingFDA = false;
-		}
-	}
-
-	function handleFDASearchInput() {
-		if (searchFDATimeout) clearTimeout(searchFDATimeout);
-		searchFDATimeout = setTimeout(() => {
-			currentFDAPage = 1;
-			loadFDA(searchFDA, 1);
-		}, 500);
-	}
-
-	function selectFDA(item: FDACatalog) {
-		formData.fda_key = item.fda_key;
-		showFDADialog = false;
-		searchFDA = '';
-	}
-
-	function handleFDAScroll(event: Event) {
-		const target = event.target as HTMLElement;
-		const scrolledToBottom = target.scrollHeight - target.scrollTop <= target.clientHeight + 50;
-
-		if (scrolledToBottom && hasMoreFDA && !isLoadingFDA) {
-			loadFDA(searchFDA, currentFDAPage + 1);
-		}
-	}
-
-	function openCartaPorteSearch() {
-		// Abrir diálogo de búsqueda de códigos carta porte
-		showCartaPorteDialog = true;
-		searchCartaPorte = '';
-		cartaPorteCatalog = [];
-	}
-</script>
-
-<div class="w-full max-w-[95vw] mx-auto p-4 pb-24">
-	<!-- Contenido del formulario -->
-	<Card.Root>
-		<Card.Content class="pt-4">
-			<div class="space-y-3">
-				<!-- Clase y Requiere Revisión Física -->
-				<div class="flex gap-4 items-end">
-					<div class="flex-1 space-y-2">
-						<Label for="class_code" class="font-bold">Clase:</Label>
-						<Input
-							id="class_code"
-							bind:value={formData.class_code}
-							placeholder="Ingrese código de clase"
-							class="uppercase"
-							maxlength={8}
-						/>
-					</div>
-					<div class="flex items-center space-x-2 pb-2">
-						<input
-							id="physical_review"
-							type="checkbox"
-							bind:checked={formData.physical_review}
-							class="h-4 w-4 rounded border-gray-300"
-						/>
-						<Label for="physical_review" class="!m-0 cursor-pointer font-normal">
-							Requiere Revisión Física
-						</Label>
-					</div>
-				</div>
-
-				<!-- Descripción en Español -->
-				<div class="space-y-2">
-					<Label for="description_es" class="font-bold">Descripción en Español:</Label>
-					<Input
-						id="description_es"
-						bind:value={formData.description_es}
-						placeholder="Descripción en español"
-						maxlength={500}
-					/>
-				</div>
-
-				<!-- Descripción en Inglés -->
-				<div class="space-y-2">
-					<Label for="description_en">Descripción en Inglés:</Label>
-					<Input
-						id="description_en"
-						bind:value={formData.description_en}
-						placeholder="Descripción en inglés"
-						maxlength={500}
-					/>
-				</div>
-
-				<!-- Tipo de Activo Fijo -->
-				<div class="space-y-2">
-					<Label for="material_key" class="font-bold">Tipo de Activo Fijo:</Label>
-					<div class="flex gap-2 items-center">
-						<Input
-							id="material_key"
-							bind:value={formData.material_key}
-							placeholder="Código"
-							class="flex-1 uppercase"
-							maxlength={10}
-						/>
-						<Button type="button" variant="outline" size="icon" onclick={openMaterialSearch}>
-							<Folder class="h-4 w-4" />
-						</Button>
-						<span class="text-blue-600 hover:underline cursor-pointer">
-							{formData.material_description || ''}
-						</span>
-					</div>
-				</div>
-
-				<!-- U.M. Comercial -->
-				<div class="space-y-2">
-					<Label for="unit_of_measure" class="font-bold">U.M. Comercial:</Label>
-					<div class="flex gap-2 items-center">
-						<Input
-							id="unit_of_measure"
-							bind:value={formData.unit_of_measure}
-							placeholder="UM"
-							class="flex-1 uppercase"
-							maxlength={5}
-						/>
-						<Button type="button" variant="outline" size="icon" onclick={openUnitOfMeasureSearch}>
-							<Folder class="h-4 w-4" />
-						</Button>
-						<span class="text-blue-600 hover:underline cursor-pointer">
-							{formData.unit_of_measure_description || ''}
-						</span>
-						<span class="text-sm text-muted-foreground ml-auto">
-							Clave U.M.A: {formData.unit_measure_key || ''}
-						</span>
-					</div>
-				</div>
-
-				<!-- Fracción Arancelaria -->
-				<div class="space-y-2">
-					<Label for="fraction" class="font-bold">Fracción Arancelaria:</Label>
-					<div class="flex gap-2 items-center">
-						<Input
-							id="fraction"
-							bind:value={formData.fraction}
-							placeholder="Fracción"
-							class="flex-1"
-							maxlength={10}
-						/>
-						<Button type="button" variant="outline" size="icon" onclick={openFractionSearch}>
-							<Folder class="h-4 w-4" />
-						</Button>
-						<span class="text-sm text-muted-foreground">
-							U.M.T: {formData.fraction_umt || ''}
-						</span>
-						<span class="text-sm text-muted-foreground ml-auto">
-							Clave U.M.A: {formData.fraction_uma_key || ''}
-						</span>
-					</div>
-				</div>
-
-				<!-- Fracción Americana -->
-				<div class="space-y-2">
-					<Label for="us_fraction">Fracción Americana:</Label>
-					<div class="flex gap-2 items-center">
-						<Input
-							id="us_fraction"
-							bind:value={formData.us_fraction}
-							placeholder="Fracción americana"
-							class="flex-1"
-							maxlength={16}
-						/>
-						<Button type="button" variant="outline" size="icon" onclick={openUSFractionSearch}>
-							<Folder class="h-4 w-4" />
-						</Button>
-						<span class="text-sm text-muted-foreground">
-							Ad/valorem: {formData.us_fraction_ad_valorem || '0.00'}
-						</span>
-						<span class="text-sm text-muted-foreground ml-auto">
-							Tasa Fija: {formData.us_fraction_fixed_rate || '0.00000000'}
-						</span>
-					</div>
-				</div>
-
-				<!-- Tasa Anual de depreciación -->
-				<div class="space-y-2">
-					<Label for="annual_depreciation_rate">Tasa Anual de depreciación:</Label>
-					<div class="flex gap-2 items-center">
-						<Input
-							id="annual_depreciation_rate"
-							type="number"
-							bind:value={formData.annual_depreciation_rate}
-							placeholder="0.00"
-							class="flex-1"
-							step="0.01"
-						/>
-						<span class="text-sm">%</span>
-						<Button type="button" variant="outline" size="icon" onclick={openDepreciationSearch}>
-							<Folder class="h-4 w-4" />
-						</Button>
-						<div class="flex items-center gap-2 ml-4">
-							<Label for="eccn" class="whitespace-nowrap">ECCN:</Label>
-							<Input
-								id="eccn"
-								bind:value={formData.fda_key}
-								placeholder="ECCN"
-								class="w-32"
-							/>
-						</div>
-					</div>
-				</div>
-
-				<!-- Clave FDA -->
-				<div class="space-y-2">
-					<Label for="fda_key">Clave FDA:</Label>
-					<div class="flex gap-2">
-						<Input
-							id="fda_key"
-							bind:value={formData.fda_key}
-							placeholder="Clave FDA"
-							class="flex-1"
-						/>
-						<Button type="button" variant="outline" size="icon" onclick={openFDASearch}>
-							<Folder class="h-4 w-4" />
-						</Button>
-					</div>
-				</div>
-
-				<!-- Fracción Exenta de IVA -->
-				<div class="space-y-2">
-					<Label class="font-bold">Fracción Exenta de IVA:</Label>
-					<div class="flex gap-8">
-						<div class="flex items-center space-x-2">
-							<input
-								id="iva_exempt_yes"
-								type="radio"
-								name="iva_exempt"
-								checked={formData.iva_exempt_fraction === true}
-								onchange={() => (formData.iva_exempt_fraction = true)}
-								class="h-4 w-4"
-							/>
-							<Label for="iva_exempt_yes" class="!m-0 cursor-pointer font-normal">Sí</Label>
-						</div>
-						<div class="flex items-center space-x-2">
-							<input
-								id="iva_exempt_no"
-								type="radio"
-								name="iva_exempt"
-								checked={formData.iva_exempt_fraction === false}
-								onchange={() => (formData.iva_exempt_fraction = false)}
-								class="h-4 w-4"
-							/>
-							<Label for="iva_exempt_no" class="!m-0 cursor-pointer font-normal">No</Label>
-						</div>
-					</div>
-				</div>
-
-				<!-- Código Carta Porte -->
-				<div class="space-y-2">
-					<Label for="carta_porte_code">Código Carta Porte:</Label>
-					<div class="flex gap-2">
-						<Input
-							id="carta_porte_code"
-							bind:value={formData.carta_porte_code}
-							placeholder="Código carta porte"
-							class="flex-1"
-						/>
-						<Button type="button" variant="outline" size="icon" onclick={openCartaPorteSearch}>
-						<Folder class="h-4 w-4" />
-						</Button>
-					</div>
-				</div>
-			</div>
-		</Card.Content>
-	</Card.Root>
-</div>
-
-<!-- Footer fijo con botones de acción -->
-<div class="fixed bottom-0 left-0 right-0 bg-background/95 backdrop-blur supports-[backdrop-filter]:bg-background/80 border-t shadow-lg z-[5]">
-	<div class="px-4 py-4 max-w-[1400px] mx-auto">
-		<!-- Botones de acción -->
-		<div class="flex justify-end gap-3">
-			<Button type="button" variant="outline" onclick={handleCancel}>
-				Cerrar
-			</Button>
-			<Button onclick={handleSave}>
-				<Save size={16} class="mr-2" />
-				Guardar Todos los Cambios
-			</Button>
-		</div>
-	</div>
-</div>
-
-<!-- Diálogo de búsqueda de Material Types -->
-	<Dialog.Root bind:open={showMaterialDialog}>
-		<Dialog.Content class="max-w-2xl">
-			<Dialog.Header>
-				<Dialog.Title>CATALOGO DE ACTIVO FIJO</Dialog.Title>
-			</Dialog.Header>
-			<div class="space-y-4">
-				<!-- Campo de búsqueda -->
-				<div>
-					<Label for="search_material">Buscando:</Label>
-					<Input
-						id="search_material"
-						bind:value={searchMaterial}
-						placeholder="Buscar por clave o descripción..."
-						class="mt-1"
-					/>
-				</div>
-
-				<!-- Tabla de resultados -->
-				<div class="border rounded-md max-h-96 overflow-auto">
-					<table class="w-full">
-						<thead class="bg-blue-700 text-white sticky top-0">
-							<tr>
-								<th class="px-4 py-2 text-left font-semibold">Clave</th>
-								<th class="px-4 py-2 text-left font-semibold">Descripción</th>
-							</tr>
-						</thead>
-						<tbody>
-							{#each filteredMaterialTypes as material (material.key)}
-								<tr
-									class="border-b hover:bg-gray-500 hover:text-white cursor-pointer transition-colors"
-									onclick={() => selectMaterial(material)}
-								>
-									<td class="px-4 py-2">{material.key}</td>
-									<td class="px-4 py-2">{material.description}</td>
-								</tr>
-							{:else}
-								<tr>
-									<td colspan="2" class="px-4 py-8 text-center text-muted-foreground">
-										No se encontraron resultados
-									</td>
-								</tr>
-							{/each}
-						</tbody>
-					</table>
-				</div>
-			</div>
-			<Dialog.Footer class="flex gap-2">
-				<Button variant="outline" onclick={() => (showMaterialDialog = false)}>Cerrar</Button>
-			</Dialog.Footer>
-		</Dialog.Content>
-	</Dialog.Root>
-
-	<!-- Diálogo de búsqueda de Unidades de Medida -->
-	<Dialog.Root bind:open={showUnitDialog}>
-		<Dialog.Content class="!max-w-[70vw] !w-[70vw]">
-			<Dialog.Header>
-				<Dialog.Title>CATALOGOS DE UNIDADES DE MEDIDA</Dialog.Title>
-			</Dialog.Header>
-			<div class="space-y-4">
-				<!-- Campo de búsqueda -->
-				<div>
-					<Label for="search_unit">Buscando:</Label>
-					<Input
-						id="search_unit"
-						bind:value={searchUnit}
-						placeholder="Buscar por código o descripción..."
-						class="mt-1"
-					/>
-				</div>
-
-				<!-- Tabla de resultados -->
-				<div class="border rounded-md max-h-[600px] overflow-y-auto overflow-x-auto">
-					<table class="w-full">
-						<thead class="bg-blue-700 text-white sticky top-0">
-							<tr>
-								<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">U.M.</th>
-								<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">Descripción Español</th>
-								<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">Abrev. Inglés</th>
-								<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">Clave Mexicana</th>
-								<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">Clave Americana</th>
-							</tr>
-						</thead>
-						<tbody>
-							{#each filteredUnitsOfMeasure as unit (unit.code)}
-								<tr
-									class="border-b hover:bg-gray-500 hover:text-white cursor-pointer transition-colors"
-									onclick={() => selectUnit(unit)}
-								>
-									<td class="px-4 py-2 whitespace-nowrap">{unit.code}</td>
-									<td class="px-4 py-2 whitespace-nowrap">{unit.description}</td>
-									<td class="px-4 py-2 whitespace-nowrap">{unit.descriptionEnglish}</td>
-									<td class="px-4 py-2 whitespace-nowrap">{unit.claveMexicana}</td>
-									<td class="px-4 py-2 whitespace-nowrap">{unit.claveAmericana}</td>
-								</tr>
-							{:else}
-								<tr>
-									<td colspan="5" class="px-4 py-8 text-center text-muted-foreground">
-										No se encontraron resultados
-									</td>
-								</tr>
-							{/each}
-						</tbody>
-					</table>
-				</div>
-			</div>
-			<Dialog.Footer class="flex gap-2">
-				<Button variant="outline" onclick={() => (showUnitDialog = false)}>Cerrar</Button>
-			</Dialog.Footer>
-		</Dialog.Content>
-</Dialog.Root>
-
-<!-- Dialog: Buscar fracción arancelaria -->
-<Dialog.Root bind:open={showFractionDialog}>
-	<Dialog.Content class="!max-w-[70vw] !w-[70vw]">
-		<Dialog.Header>
-			<Dialog.Title>CATALOGO DE FRACCIONES SITAR - SCAII</Dialog.Title>
-		</Dialog.Header>
-		<div class="space-y-4">
-			<!-- Campo de búsqueda -->
-			<div>
-				<Label for="search_fraction">Buscando:</Label>
-				<Input
-					id="search_fraction"
-					bind:value={searchFraction}
-					oninput={handleSearchInput}
-					placeholder="Buscar por fracción, descripción, NICO..."
-					class="mt-1"
-				/>
-			</div>
-
-			<!-- Tabla de resultados -->
-			<div class="border rounded-md max-h-[600px] overflow-y-auto overflow-x-auto" onscroll={handleScroll}>
-				<table class="w-full">
-					<thead class="bg-blue-700 text-white sticky top-0">
-						<tr>
-							<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">Fracción</th>
-							<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">NICO</th>
-							<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">Descripción</th>
-							<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">U.M.T</th>
-							<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">Adv Impo</th>
-							<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">Adv Expo</th>
-						</tr>
-					</thead>
-					<tbody>
-						{#each tariffFractions as fraction (fraction.code)}
-							<tr
-								class="border-b hover:bg-gray-500 hover:text-white cursor-pointer transition-colors"
-								onclick={() => selectFraction(fraction)}
-							>
-								<td class="px-4 py-2 whitespace-nowrap">{fraction.fraction}</td>
-								<td class="px-4 py-2 whitespace-nowrap">{fraction.nico}</td>
-								<td class="px-4 py-2">{fraction.description}</td>
-								<td class="px-4 py-2 whitespace-nowrap">{fraction.umt}</td>
-								<td class="px-4 py-2 whitespace-nowrap">{fraction.adv_impo}</td>
-								<td class="px-4 py-2 whitespace-nowrap">{fraction.adv_expo}</td>
-							</tr>
-						{:else}
-							<tr>
-								<td colspan="6" class="px-4 py-8 text-center text-muted-foreground">
-									{#if isLoadingFractions}
-										Cargando fracciones...
-									{:else if searchFraction}
-										No se encontraron fracciones que coincidan con "{searchFraction}"
-									{:else}
-										No hay fracciones disponibles
-									{/if}
-								</td>
-							</tr>
-						{/each}
-						{#if hasMoreFractions && tariffFractions.length > 0}
-							<tr>
-								<td colspan="6" class="px-4 py-4 text-center text-sm text-muted-foreground">
-									{#if isLoadingFractions}
-										Cargando más fracciones...
-									{:else}
-										<button 
-											class="text-blue-600 hover:underline"
-											onclick={() => loadFractions(searchFraction, currentPage + 1)}
-										>
-											Cargar más ({totalFractions - tariffFractions.length} restantes)
-										</button>
-									{/if}
-								</td>
-							</tr>
-						{/if}
-					</tbody>
-				</table>
-			</div>
-		</div>
-		<Dialog.Footer class="flex gap-2">
-			<Button variant="outline" onclick={() => (showFractionDialog = false)}>Cerrar</Button>
-		</Dialog.Footer>
-	</Dialog.Content>
-</Dialog.Root>
-
-<!-- Dialog: Buscar fracción americana -->
-<Dialog.Root bind:open={showUSFractionDialog}>
-	<Dialog.Content class="!max-w-[70vw] !w-[70vw]">
-		<Dialog.Header>
-			<Dialog.Title>CATALOGO DE FRACCIONES AMERICANAS</Dialog.Title>
-		</Dialog.Header>
-		<div class="space-y-4">
-			<!-- Campo de búsqueda -->
-			<div>
-				<Label for="search_us_fraction">Buscando:</Label>
-				<Input
-					id="search_us_fraction"
-					bind:value={searchUSFraction}
-					oninput={handleUSSearchInput}
-					placeholder="Buscar por fracción, descripción, prefijo..."
-					class="mt-1"
-				/>
-			</div>
-
-			<!-- Tabla de resultados -->
-			<div class="border rounded-md max-h-[600px] overflow-y-auto overflow-x-auto" onscroll={handleUSScroll}>
-				<table class="w-full">
-					<thead class="bg-blue-700 text-white sticky top-0">
-						<tr>
-							<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">Fracción</th>
-							<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">Prefijo</th>
-							<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">Tipo</th>
-							<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">Ad valorem</th>
-							<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">Costo Fijo</th>
-							<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">U.M.</th>
-							<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">Descripción</th>
-							<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">Acciones</th>
-						</tr>
-					</thead>
-					<tbody>
-						{#each usTariffFractions as fraction (fraction.id)}
-							<tr
-								class="border-b hover:bg-gray-700 transition-colors"
-							>
-								<td class="px-4 py-2 whitespace-nowrap cursor-pointer" onclick={() => selectUSFraction(fraction)}>{fraction.code}</td>
-								<td class="px-4 py-2 whitespace-nowrap cursor-pointer" onclick={() => selectUSFraction(fraction)}>{fraction.prefix || ''}</td>
-								<td class="px-4 py-2 whitespace-nowrap cursor-pointer" onclick={() => selectUSFraction(fraction)}>{fraction.type_code || ''}</td>
-								<td class="px-4 py-2 whitespace-nowrap cursor-pointer" onclick={() => selectUSFraction(fraction)}>{fraction.ad_valorem?.toFixed(2) || '0.00'}</td>
-								<td class="px-4 py-2 whitespace-nowrap cursor-pointer" onclick={() => selectUSFraction(fraction)}>{fraction.fixed_cost?.toFixed(8) || '0.00000000'}</td>
-								<td class="px-4 py-2 whitespace-nowrap cursor-pointer" onclick={() => selectUSFraction(fraction)}>{fraction.unit_of_measure || ''}</td>
-								<td class="px-4 py-2 cursor-pointer" onclick={() => selectUSFraction(fraction)}>{fraction.description || ''}</td>
-								<td class="px-4 py-2 whitespace-nowrap">
-									<div class="flex gap-1">
-										<Button 
-											variant="ghost" 
-											size="sm" 
-											onclick={(e) => openUSFractionEditDialogForEdit(fraction, e)}
-											class="h-7 px-2 hover:bg-blue-100"
-										>
-											Editar
-										</Button>
-										<Button 
-											variant="ghost" 
-											size="sm" 
-											onclick={(e) => openDeleteUSFractionDialog(fraction, e)}
-											class="h-7 px-2 hover:bg-red-100"
-										>
-											Borrar
-										</Button>
-									</div>
-								</td>
-							</tr>
-						{:else}
-							<tr>
-								<td colspan="8" class="px-4 py-8 text-center text-muted-foreground">
-									{#if isLoadingUSFractions}
-										Cargando fracciones...
-									{:else if searchUSFraction}
-										No se encontraron fracciones que coincidan con "{searchUSFraction}"
-									{:else}
-										No hay fracciones disponibles
-									{/if}
-								</td>
-							</tr>
-						{/each}
-						{#if hasMoreUSFractions && usTariffFractions.length > 0}
-							<tr>
-								<td colspan="8" class="px-4 py-4 text-center text-sm text-muted-foreground">
-									{#if isLoadingUSFractions}
-										Cargando más fracciones...
-									{:else}
-										<button 
-											class="text-blue-600 hover:underline"
-											onclick={() => loadUSFractions(searchUSFraction, currentUSPage + 1)}
-										>
-											Cargar más ({totalUSFractions - usTariffFractions.length} restantes)
-										</button>
-									{/if}
-								</td>
-							</tr>
-						{/if}
-					</tbody>
-				</table>
-			</div>
-		</div>
-		<Dialog.Footer class="flex gap-2">
-			<Button onclick={openUSFractionCreateDialog}>Insertar</Button>
-			<Button variant="outline" onclick={() => (showUSFractionDialog = false)}>Cerrar</Button>
-		</Dialog.Footer>
-	</Dialog.Content>
-</Dialog.Root>
-
-<!-- Dialog: Editar/Crear fracción americana -->
-<Dialog.Root bind:open={showUSFractionEditDialog}>
-	<Dialog.Content class="!max-w-[500px]">
-		<Dialog.Header>
-			<Dialog.Title>{editingUSFraction ? 'Editar' : 'Insertar'} Fracción Americana</Dialog.Title>
-		</Dialog.Header>
-		<div class="space-y-4">
-			<!-- Fracción (HTS) y Prefijo -->
-			<div class="grid grid-cols-2 gap-4">
-				<div class="space-y-2">
-					<Label for="fraction_hts">Fracción (HTS):</Label>
-					<Input
-						id="fraction_hts"
-						bind:value={usFractionFormData.code}
-						placeholder="Ejemplo: MX"
-						disabled={!!editingUSFraction}
-						class="bg-white"
-					/>
-				</div>
-				<div class="space-y-2">
-					<Label for="fraction_prefix">Prefijo:</Label>
-					<Input
-						id="fraction_prefix"
-						bind:value={usFractionFormData.prefix}
-						placeholder=""
-						class="bg-white"
-					/>
-				</div>
-			</div>
-
-			<!-- TIPO DE ADVALOREM -->
-			<div class="border rounded-md p-4 space-y-3">
-				<Label class="font-bold">TIPO DE ADVALOREM</Label>
-				
-				<!-- Porcentaje % -->
-				<div class="flex items-center gap-2">
-					<input
-						id="type_percentage"
-						type="radio"
-						name="advalorem_type"
-						value="percentage"
-						checked={usFractionFormData.type_code === 'percentage'}
-						onchange={() => (usFractionFormData.type_code = 'percentage')}
-						class="h-4 w-4"
-					/>
-					<Label for="type_percentage" class="!m-0 cursor-pointer font-normal flex items-center gap-2">
-						Porcentaje %:
-						<Input
-							type="number"
-							bind:value={usFractionFormData.ad_valorem}
-							placeholder="0.00"
-							step="0.01"
-							disabled={usFractionFormData.type_code !== 'percentage'}
-							class="w-24 h-8"
-						/>
-						<span class="text-sm">%</span>
-					</Label>
-				</div>
-
-				<!-- Tasa Fija en M.E. -->
-				<div class="flex items-center gap-2">
-					<input
-						id="type_fixed"
-						type="radio"
-						name="advalorem_type"
-						value="fixed"
-						checked={usFractionFormData.type_code === 'fixed'}
-						onchange={() => (usFractionFormData.type_code = 'fixed')}
-						class="h-4 w-4"
-					/>
-					<Label for="type_fixed" class="!m-0 cursor-pointer font-normal flex items-center gap-2">
-						Tasa Fija en M.E.:
-						<Input
-							type="number"
-							bind:value={usFractionFormData.fixed_cost}
-							placeholder="0.00000000"
-							step="0.00000001"
-							disabled={usFractionFormData.type_code !== 'fixed'}
-							class="w-32 h-8"
-						/>
-						<span class="text-sm">Dls</span>
-					</Label>
-				</div>
-			</div>
-
-			<!-- Unidad de Medida -->
-			<div class="space-y-2">
-				<Label for="unit_measure">Unidad de Medida:</Label>
-				<div class="flex gap-2">
-					<Input
-						id="unit_measure"
-						bind:value={usFractionFormData.unit_of_measure}
-						placeholder="Unidad de medida"
-						class="flex-1"
-					/>
-					<Button type="button" variant="outline" size="icon" onclick={openUnitSearch}>
-						<Folder class="h-4 w-4" />
-					</Button>
-				</div>
-			</div>
-
-			<!-- Descripción -->
-			<div class="space-y-2">
-				<Label for="fraction_description">Descripción:</Label>
-				<textarea
-					id="fraction_description"
-					bind:value={usFractionFormData.description}
-					placeholder="Descripción de la fracción"
-					rows="4"
-					class="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"
-				></textarea>
-			</div>
-		</div>
-		<Dialog.Footer class="flex gap-2">
-			<Button variant="outline" onclick={() => (showUSFractionEditDialog = false)}>Cancelar</Button>
-			<Button onclick={saveUSFraction}>OK</Button>
-		</Dialog.Footer>
-	</Dialog.Content>
-</Dialog.Root>
-
-<!-- Dialog: Confirmar eliminación de fracción americana -->
-<Dialog.Root bind:open={showDeleteUSFractionDialog}>
-	<Dialog.Content class="!max-w-[400px]">
-		<Dialog.Header>
-			<Dialog.Title>Confirmar Eliminación</Dialog.Title>
-		</Dialog.Header>
-		<div class="py-4">
-			<p class="text-sm">¿Está seguro que desea eliminar la fracción <strong>{fractionToDelete?.code}</strong>?</p>
-			<p class="text-sm text-muted-foreground mt-2">Esta acción no se puede deshacer.</p>
-		</div>
-		<Dialog.Footer class="flex gap-2">
-			<Button variant="outline" onclick={() => (showDeleteUSFractionDialog = false)}>Cancelar</Button>
-			<Button variant="destructive" onclick={confirmDeleteUSFraction}>Eliminar</Button>
-		</Dialog.Footer>
-	</Dialog.Content>
-</Dialog.Root>
-
-<!-- Dialog: Catálogo de Depreciación -->
-<Dialog.Root bind:open={showDepreciationDialog}>
-	<Dialog.Content class="!max-w-[60vw] !w-[60vw]">
-		<Dialog.Header>
-			<Dialog.Title>CATALOGO DE TASAS DE DEPRECIACIÓN</Dialog.Title>
-		</Dialog.Header>
-		<div class="space-y-4">
-			<!-- Campo de búsqueda -->
-			<div>
-				<Label for="search_depreciation">Buscando:</Label>
-				<Input
-					id="search_depreciation"
-					bind:value={searchDepreciation}
-					oninput={handleDepreciationSearchInput}
-					placeholder="Buscar por fracción o descripción..."
-					class="mt-1"
-				/>
-			</div>
-
-			<!-- Tabla de resultados -->
-			<div class="border rounded-md max-h-[600px] overflow-y-auto overflow-x-auto" onscroll={handleDepreciationScroll}>
-				<table class="w-full">
-					<thead class="bg-blue-700 text-white sticky top-0">
-						<tr>
-							<th class="px-4 py-2 text-left font-semibold whitespace-nowrap">Fracción</th>
-							<th class="px-4 py-2 text-left font-semibold">Descripción</th>
-							<th class="px-4 py-2 text-right font-semibold whitespace-nowrap">Tasa %</th>
-						</tr>
-					</thead>
-					<tbody>
-						{#each depreciationCatalog as item (item.id)}
-							<tr
-								class="border-b hover:bg-gray-500 hover:text-white cursor-pointer transition-colors"
-								onclick={() => selectDepreciation(item)}
-							>
-								<td class="px-4 py-2 whitespace-nowrap">{item.fraction}</td>
-								<td class="px-4 py-2">{item.description}</td>
-								<td class="px-4 py-2 text-right whitespace-nowrap">{item.depreciation_rate}%</td>
-							</tr>
-						{:else}
-							<tr>
-								<td colspan="3" class="px-4 py-8 text-center text-muted-foreground">
-									{#if isLoadingDepreciation}
-										Cargando catálogo...
-									{:else if searchDepreciation}
-										No se encontraron registros que coincidan con "{searchDepreciation}"
-									{:else}
-										No hay registros disponibles
-									{/if}
-								</td>
-							</tr>
-						{/each}
-						{#if hasMoreDepreciation && depreciationCatalog.length > 0}
-							<tr>
-								<td colspan="3" class="px-4 py-4 text-center text-sm text-muted-foreground">
-									{#if isLoadingDepreciation}
-										Cargando más registros...
-									{:else}
-										<button 
-											class="text-blue-600 hover:underline"
-											onclick={() => loadDepreciation(searchDepreciation, currentDepreciationPage + 1)}
-										>
-											Cargar más ({totalDepreciation - depreciationCatalog.length} restantes)
-										</button>
-									{/if}
-								</td>
-							</tr>
-						{/if}
-					</tbody>
-				</table>
-			</div>
-		</div>
-		<Dialog.Footer class="flex gap-2">
-			<Button variant="outline" onclick={() => (showDepreciationDialog = false)}>Cerrar</Button>
-		</Dialog.Footer>
-	</Dialog.Content>
-</Dialog.Root>
-
-<!-- Dialog: Buscar clave FDA -->
-<Dialog.Root bind:open={showFDADialog}>
-	<Dialog.Content class="!max-w-[80vw] !w-[80vw]">
-		<Dialog.Header>
-			<Dialog.Title>CATALOGO DE CODIGOS DE F.D.A.</Dialog.Title>
-		</Dialog.Header>
-		<div class="space-y-4">
-			<!-- Campo de búsqueda -->
-			<div>
-				<Label for="search_fda">Buscando:</Label>
-				<Input
-					id="search_fda"
-					bind:value={searchFDA}
-					oninput={handleFDASearchInput}
-					placeholder="Buscar por clave, descripción o código FDA..."
-					class="mt-1"
-				/>
-			</div>
-
-			<!-- Tabla de resultados -->
-			<div class="border rounded-md max-h-[600px] overflow-y-auto overflow-x-auto" onscroll={handleFDAScroll}>
-				<table class="w-full text-sm">
-					<thead class="bg-blue-700 text-white sticky top-0">
-						<tr>
-							<th class="px-3 py-2 text-left font-semibold whitespace-nowrap">Clave</th>
-							<th class="px-3 py-2 text-left font-semibold">Descripción</th>
-							<th class="px-3 py-2 text-left font-semibold whitespace-nowrap">Código FDA</th>
-							<th class="px-3 py-2 text-left font-semibold whitespace-nowrap">Requerimientos</th>
-							<th class="px-3 py-2 text-left font-semibold whitespace-nowrap">No. de Fabri</th>
-							<th class="px-3 py-2 text-left font-semibold whitespace-nowrap">País de Producción</th>
-							<th class="px-3 py-2 text-left font-semibold whitespace-nowrap">EstatusAlmacena</th>
-							<th class="px-3 py-2 text-left font-semibold whitespace-nowrap">CodAlm1</th>
-							<th class="px-3 py-2 text-left font-semibold whitespace-nowrap">CallAtrl</th>
-						</tr>
-					</thead>
-					<tbody>
-						{#each fdaCatalog as item (item.id)}
-							<tr
-								class="border-b hover:bg-gray-500 hover:text-white cursor-pointer transition-colors"
-								onclick={() => selectFDA(item)}
-							>
-								<td class="px-3 py-2 whitespace-nowrap">{item.fda_key || ''}</td>
-								<td class="px-3 py-2">{item.description || ''}</td>
-								<td class="px-3 py-2 whitespace-nowrap">{item.fda_code || ''}</td>
-								<td class="px-3 py-2 whitespace-nowrap">{item.requirements || ''}</td>
-								<td class="px-3 py-2 whitespace-nowrap">{item.manufacturer_number || ''}</td>
-								<td class="px-3 py-2 whitespace-nowrap">{item.country_of_production || ''}</td>
-								<td class="px-3 py-2 whitespace-nowrap">{item.storage_status || ''}</td>
-								<td class="px-3 py-2 whitespace-nowrap">{item.warehouse_code || ''}</td>
-								<td class="px-3 py-2 whitespace-nowrap">{item.call_atl || ''}</td>
-							</tr>
-						{:else}
-							<tr>
-								<td colspan="9" class="px-4 py-8 text-center text-muted-foreground">
-									{#if isLoadingFDA}
-										Cargando catálogo...
-									{:else if searchFDA}
-										No se encontraron registros que coincidan con "{searchFDA}"
-									{:else}
-										No hay registros disponibles
-									{/if}
-								</td>
-							</tr>
-						{/each}
-						{#if hasMoreFDA && fdaCatalog.length > 0}
-							<tr>
-								<td colspan="9" class="px-4 py-4 text-center text-sm text-muted-foreground">
-									{#if isLoadingFDA}
-										Cargando más registros...
-									{:else}
-										<button 
-											class="text-blue-600 hover:underline"
-											onclick={() => loadFDA(searchFDA, currentFDAPage + 1)}
-										>
-											Cargar más ({totalFDA - fdaCatalog.length} restantes)
-										</button>
-									{/if}
-								</td>
-							</tr>
-						{/if}
-					</tbody>
-				</table>
-			</div>
-		</div>
-		<Dialog.Footer class="flex gap-2">
-			<Button variant="outline" onclick={() => (showFDADialog = false)}>Cerrar</Button>
-		</Dialog.Footer>
-	</Dialog.Content>
-</Dialog.Root>
-
-<!-- Dialog: Buscar Carta Porte -->
-<Dialog.Root bind:open={showCartaPorteDialog}>
-	<Dialog.Content class="!max-w-[80vw] !w-[80vw]">
-		<Dialog.Header>
-			<Dialog.Title>CATALOGO DE CARTA PORTE</Dialog.Title>
-		</Dialog.Header>
-		<div class="space-y-4">
-			<!-- Campo de búsqueda -->
-			<div>
-				<Label for="search_carta_porte">Buscando:</Label>
-				<Input
-					id="search_carta_porte"
-					bind:value={searchCartaPorte}
-					placeholder="Buscar por clave ID, descripción o palabras similares..."
-					class="mt-1"
-				/>
-			</div>
-
-			<!-- Tabla de resultados -->
-			<div class="border rounded-md max-h-[600px] overflow-y-auto overflow-x-auto">
-				<table class="w-full text-sm">
-					<thead class="bg-blue-700 text-white sticky top-0">
-						<tr>
-							<th class="px-3 py-2 text-left font-semibold whitespace-nowrap">Clave ID</th>
-							<th class="px-3 py-2 text-left font-semibold">Descripción</th>
-							<th class="px-3 py-2 text-left font-semibold">Palabras Similares</th>
-							<th class="px-3 py-2 text-left font-semibold whitespace-nowrap">Material Peligroso</th>
-							<th class="px-3 py-2 text-left font-semibold whitespace-nowrap">Fecha Inicio Vigencia</th>
-							<th class="px-3 py-2 text-left font-semibold whitespace-nowrap">Fecha Fin Vigencia</th>
-						</tr>
-					</thead>
-					<tbody>
-						{#each cartaPorteCatalog as item (item.id)}
-							<tr
-								class="border-b hover:bg-gray-500 hover:text-white cursor-pointer transition-colors"
-								onclick={() => {
-									formData.carta_porte_code = item.clave_id;
-									showCartaPorteDialog = false;
-								}}
-							>
-								<td class="px-3 py-2 whitespace-nowrap">{item.clave_id || ''}</td>
-								<td class="px-3 py-2">{item.descripcion || ''}</td>
-								<td class="px-3 py-2">{item.palabras_similares || ''}</td>
-								<td class="px-3 py-2 whitespace-nowrap">{item.material_peligroso || ''}</td>
-								<td class="px-3 py-2 whitespace-nowrap">{item.fecha_inicio_vigencia || ''}</td>
-								<td class="px-3 py-2 whitespace-nowrap">{item.fecha_fin_vigencia || ''}</td>
-							</tr>
-						{:else}
-							<tr>
-								<td colspan="6" class="px-4 py-8 text-center text-muted-foreground">
-									{#if searchCartaPorte}
-										No se encontraron registros que coincidan con "{searchCartaPorte}"
-									{:else}
-										No hay registros disponibles
-									{/if}
-								</td>
-							</tr>
-						{/each}
-					</tbody>
-				</table>
-			</div>
-		</div>
-		<Dialog.Footer class="flex gap-2">
-			<Button variant="outline" onclick={() => (showCartaPorteDialog = false)}>Cerrar</Button>
-		</Dialog.Footer>
-	</Dialog.Content>
-</Dialog.Root>
diff --git a/frontend/src/routes/dashboard/merchandise/fixed_asset_classes/embed/+page.svelte b/frontend/src/routes/dashboard/merchandise/fixed_asset_classes/embed/+page.svelte
deleted file mode 100644
index 928dc6fd..00000000
--- a/frontend/src/routes/dashboard/merchandise/fixed_asset_classes/embed/+page.svelte
+++ /dev/null
@@ -1,17 +0,0 @@
-<script lang="ts">
-	import { goto } from '$app/navigation';
-	
-	// Redirigir a la página principal después de guardar
-	function handleSaveAndClose() {
-		// Aquí se guardarían los datos
-		window.parent.postMessage({ type: 'close' }, '*');
-	}
-</script>
-
-<div class="p-4">
-	<iframe 
-		src="/dashboard/merchandise/fixed_asset_classes" 
-		class="w-full h-[80vh] border-0"
-		title="Clase de Activo Fijo"
-	></iframe>
-</div>