diff --git a/frontend/src/lib/components/dashboard/csv-upload/CsvParamsBar.svelte b/frontend/src/lib/components/dashboard/csv-upload/CsvParamsBar.svelte
new file mode 100644
index 00000000..45c640e8
--- /dev/null
+++ b/frontend/src/lib/components/dashboard/csv-upload/CsvParamsBar.svelte
@@ -0,0 +1,124 @@
+<script lang="ts">
+	import { Label } from '$lib/components/ui/label/index.js';
+	import { Settings2 } from 'lucide-svelte';
+	import { globalCsvParams, tabSettings, type CsvUploadField } from '$lib/config/csv-upload';
+
+	let {
+		globalSettings = $bindable(),
+		activeTab,
+		tabSettingsValues = $bindable()
+	}: {
+		globalSettings: Record<string, string>;
+		activeTab: string;
+		tabSettingsValues: Record<string, any>;
+	} = $props();
+
+	const globalParamNames = $derived(new Set(globalCsvParams.map((p) => p.name)));
+	// Tab fields excluding those already in global params (e.g. mode) to avoid duplication
+	let currentTabFields = $derived(
+		((tabSettings[activeTab] || []) as CsvUploadField[]).filter((f) => !globalParamNames.has(f.name))
+	);
+	// Guard: parent may pass undefined on first tick; avoid reading from undefined
+	let safeGlobalSettings = $derived(globalSettings ?? {});
+	let safeTabSettings = $derived(tabSettingsValues ?? {});
+	const selectClass =
+		'flex h-8 min-w-[120px] rounded-md border border-input bg-background px-3 py-1 text-sm ring-offset-background focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50';
+</script>
+
+<!-- Fixed bar: z-index below help bubble (help uses z-50) so help stays on top -->
+<div
+	class="fixed right-0 bottom-0 left-0 z-40 ml-[calc(var(--sidebar-width))] border-t bg-background/95 shadow-lg backdrop-blur group-has-data-[state=collapsed]/sidebar-wrapper:ml-[calc(var(--sidebar-width-icon))] supports-[backdrop-filter]:bg-background/80"
+>
+	<div class="mx-auto max-w-[1400px] px-4 py-3">
+		<div class="flex flex-wrap items-end gap-6">
+			<!-- Parámetros globales -->
+			<div class="flex flex-wrap items-center gap-4">
+				<div class="flex items-center gap-2 text-muted-foreground border-r border-border pr-4">
+					<Settings2 class="h-4 w-4 shrink-0" />
+					<span class="text-xs font-semibold uppercase tracking-wider whitespace-nowrap"
+						>Parámetros globales</span
+					>
+				</div>
+				{#each globalCsvParams as param}
+					<div class="flex flex-col gap-1">
+						<Label for="global-{param.name}" class="text-xs font-medium text-muted-foreground"
+							>{param.label}</Label
+						>
+						<select
+							id="global-{param.name}"
+							class={selectClass}
+							value={safeGlobalSettings[param.name]}
+							oninput={(e) => {
+								if (globalSettings) globalSettings[param.name] = e.currentTarget.value;
+							}}
+						>
+							{#each param.options as opt}
+								<option value={opt.value}>{opt.label}</option>
+							{/each}
+						</select>
+					</div>
+				{/each}
+			</div>
+
+			<!-- Configuración del tab actual -->
+			{#if currentTabFields.length > 0}
+				<div class="flex flex-wrap items-center gap-4 border-l border-border pl-4">
+					<span class="text-xs font-semibold uppercase tracking-wider text-muted-foreground whitespace-nowrap"
+						>Configuración: {activeTab}</span
+					>
+					{#each currentTabFields as field}
+						<div class="flex flex-col gap-1">
+							{#if field.type !== 'boolean'}
+								<Label for="tab-{field.name}" class="text-xs font-medium text-muted-foreground"
+									>{field.label}</Label
+								>
+							{/if}
+							{#if field.type === 'select' && field.options}
+								<select
+									id="tab-{field.name}"
+									class={selectClass}
+									value={safeTabSettings[field.name]}
+									oninput={(e) => {
+										if (tabSettingsValues) tabSettingsValues[field.name] = e.currentTarget.value;
+									}}
+								>
+									{#each field.options as opt}
+										<option value={opt.value}>{opt.label}</option>
+									{/each}
+								</select>
+							{:else if field.type === 'radio' && field.options}
+								<div class="flex gap-3 items-center h-8">
+									{#each field.options as opt}
+										<label class="flex items-center gap-2 cursor-pointer text-sm">
+											<input
+												type="radio"
+												name="tab-{field.name}"
+												value={opt.value}
+												checked={safeTabSettings[field.name] === opt.value}
+												onchange={() => {
+													if (tabSettingsValues) tabSettingsValues[field.name] = opt.value;
+												}}
+											/>
+											{opt.label}
+										</label>
+									{/each}
+								</div>
+							{:else if field.type === 'boolean'}
+								<label class="flex items-center gap-2 cursor-pointer text-sm h-8">
+									<input
+										type="checkbox"
+										checked={!!safeTabSettings[field.name]}
+										onchange={(e) => {
+											if (tabSettingsValues) tabSettingsValues[field.name] = e.currentTarget.checked;
+										}}
+									/>
+									{field.label}
+								</label>
+							{/if}
+						</div>
+					{/each}
+				</div>
+			{/if}
+		</div>
+	</div>
+</div>
diff --git a/frontend/src/lib/config/csv-upload.ts b/frontend/src/lib/config/csv-upload.ts
index 8c7420ec..f665a1d4 100644
--- a/frontend/src/lib/config/csv-upload.ts
+++ b/frontend/src/lib/config/csv-upload.ts
@@ -44,6 +44,80 @@ export interface CsvUploadField {
     defaultValue?: any;
 }
 
+/** Global parameters shown in the CSV upload footer bar (one option or the other via select). */
+export interface GlobalCsvParam {
+    name: string;
+    label: string;
+    type: 'select';
+    options: { label: string; value: string }[];
+    defaultValue: string;
+}
+
+/** Global parameters for all CSV loads; merged with tab-specific settings when sending footer_config. */
+export const globalCsvParams: GlobalCsvParam[] = [
+    {
+        name: 'mode',
+        label: 'Modo de Carga',
+        type: 'select',
+        options: [
+            { label: 'Actualizar', value: 'update' },
+            { label: 'Reemplazar', value: 'replace' }
+        ],
+        defaultValue: 'update'
+    },
+    {
+        name: 'dateFormat',
+        label: 'Formato de Fecha',
+        type: 'select',
+        options: [
+            { label: 'DD/MM/YYYY', value: 'dd/mm/yyyy' },
+            { label: 'MM/DD/YYYY', value: 'mm/dd/yyyy' },
+            { label: 'YYYY-MM-DD', value: 'yyyy-mm-dd' }
+        ],
+        defaultValue: 'dd/mm/yyyy'
+    },
+    {
+        name: 'weight_unit',
+        label: 'Unidad de Peso',
+        type: 'select',
+        options: [
+            { label: 'Kilos (Kgs)', value: 'kgs' },
+            { label: 'Libras (Lbs)', value: 'lbs' }
+        ],
+        defaultValue: 'kgs'
+    },
+    {
+        name: 'autonumber_series',
+        label: 'Autonumerar Partidas/Series',
+        type: 'select',
+        options: [
+            { label: 'Sí', value: 'true' },
+            { label: 'No', value: 'false' }
+        ],
+        defaultValue: 'false'
+    },
+    {
+        name: 'load_subpartidas',
+        label: 'Levantar Subpartidas',
+        type: 'select',
+        options: [
+            { label: 'Sí', value: 'true' },
+            { label: 'No', value: 'false' }
+        ],
+        defaultValue: 'false'
+    },
+    {
+        name: 'recalculate_pedimento_date',
+        label: 'Recalcular Fecha Pedimento',
+        type: 'select',
+        options: [
+            { label: 'Sí', value: 'true' },
+            { label: 'No', value: 'false' }
+        ],
+        defaultValue: 'false'
+    }
+];
+
 // Map of Tab ID -> Array of Fields
 export const tabSettings: Record<string, CsvUploadField[]> = {
     catalogos: [
diff --git a/frontend/src/routes/dashboard/+layout.svelte b/frontend/src/routes/dashboard/+layout.svelte
index adc8e934..a5f19609 100644
--- a/frontend/src/routes/dashboard/+layout.svelte
+++ b/frontend/src/routes/dashboard/+layout.svelte
@@ -57,7 +57,7 @@
 				-->
 			</div>
 		</header>
-		<div class="flex flex-1 flex-col gap-4 overflow-x-hidden p-4 pt-0">
+		<div class="flex flex-1 flex-col min-h-0 gap-4 overflow-x-hidden p-4 pt-0">
 			<!-- Contenido de cada página -->
 			{@render children?.()}
 		</div>
diff --git a/frontend/src/routes/dashboard/csv-upload/+page.svelte b/frontend/src/routes/dashboard/csv-upload/+page.svelte
index e2c43003..b98087cf 100644
--- a/frontend/src/routes/dashboard/csv-upload/+page.svelte
+++ b/frontend/src/routes/dashboard/csv-upload/+page.svelte
@@ -1,7 +1,7 @@
 <script lang="ts">
 	import * as Tabs from '$lib/components/ui/tabs/index.js';
 	import UploadLauncherGrid from '$lib/components/dashboard/csv-upload/UploadLauncherGrid.svelte';
-	import ConfigFooter from '$lib/components/dashboard/csv-upload/ConfigFooter.svelte';
+	import CsvParamsBar from '$lib/components/dashboard/csv-upload/CsvParamsBar.svelte';
 	import ProcessingResultModal from '$lib/components/dashboard/csv-upload/ProcessingResultModal.svelte';
 	import {
 		catalogosConfig,
@@ -9,6 +9,7 @@
 		importacionConfig,
 		exportacionConfig,
 		tabSettings,
+		globalCsvParams,
 		type CsvUploadItem
 	} from '$lib/config/csv-upload';
 	import { api } from '$lib/api';
@@ -49,17 +50,41 @@
 	// Cuando es true, usamos API de importación de BOMs (boms/imports)
 	let useBomImport = $state(false);
 
-	// Initialize settings for all tabs upfront to avoid reactivity loops
-	let allSettings = $state<Record<string, any>>(() => {
-		const initial: Record<string, any> = {};
-		for (const tab in tabSettings) {
-			initial[tab] = {};
-			tabSettings[tab].forEach((f) => {
-				initial[tab][f.name] = f.defaultValue;
-			});
-		}
-		return initial;
+	// Initialize settings for all tabs upfront to avoid reactivity loops (sync init so child never receives undefined)
+	const _initialSettings: Record<string, any> = {};
+	for (const tab in tabSettings) {
+		_initialSettings[tab] = {};
+		tabSettings[tab].forEach((f) => {
+			_initialSettings[tab][f.name] = f.defaultValue;
+		});
+	}
+	let allSettings = $state<Record<string, any>>(_initialSettings);
+
+	// Global parameters for all CSV loads (merged with tab settings when sending footer_config)
+	const _initialGlobal: Record<string, string> = {};
+	globalCsvParams.forEach((p) => {
+		_initialGlobal[p.name] = String(p.defaultValue);
 	});
+	let globalSettings = $state<Record<string, string>>(_initialGlobal);
+
+	/** Coerce string 'true'/'false' to boolean for API payload. */
+	function coerceFooterConfig(obj: Record<string, any>): Record<string, any> {
+		const booleanKeys = [
+			'autonumber_series',
+			'load_subpartidas',
+			'recalculate_pedimento_date',
+			'autonumber_remesas',
+			'recalculate_dates',
+			'is_regime_change'
+		];
+		const out = { ...obj };
+		for (const k of booleanKeys) {
+			if (k in out && typeof out[k] === 'string') {
+				out[k] = out[k] === 'true';
+			}
+		}
+		return out;
+	}
 
 	async function handleUpload(file: File, config: CsvUploadItem) {
 		console.log('handleUpload started', { file, config });
@@ -297,8 +322,11 @@
 			return;
 		}
 
-		const currentSettings = allSettings[activeTab] || {};
-		const footerConfig = { ...currentSettings };
+		const currentTabSettings = allSettings[activeTab] || {};
+		const footerConfig = coerceFooterConfig({
+			...globalSettings,
+			...currentTabSettings
+		});
 		if (activeTab === 'importacion') {
 			footerConfig.invoice_type = config.id?.startsWith('imp_def_') ? 'DEF' : 'TEM';
 		}
@@ -432,9 +460,9 @@
 	}
 </script>
 
-<div class="flex flex-col h-[calc(100vh-4rem)] -m-4 overflow-hidden">
-	<!-- Scrollable Content Area -->
-	<div class="flex-1 overflow-y-auto p-4 md:p-8 space-y-4">
+<div class="flex flex-col flex-1 min-h-0 -m-4 overflow-hidden">
+	<!-- Single scroll: content scrolls here; padding at bottom reserves space for fixed params bar -->
+	<div class="flex-1 min-h-0 overflow-y-auto p-4 md:p-8 space-y-4">
 		<div class="flex items-center gap-4">
 			<h1 class="text-lg font-semibold md:text-2xl">Importación Masiva de Datos (CSV)</h1>
 		</div>
@@ -481,15 +509,12 @@
 			</div>
 		</Tabs.Root>
 
-		<div class="h-4"></div>
+		<!-- Spacer at end of page: reserves space for fixed params bar so content is not cut off -->
+		<div class="h-[var(--csv-params-bar-height,6rem)] shrink-0" aria-hidden="true"></div>
 	</div>
 
-	<!-- Fixed Footer Area -->
-	{#if allSettings[activeTab]}
-		<div class="flex-none z-20">
-			<ConfigFooter {activeTab} bind:settings={allSettings[activeTab]} />
-		</div>
-	{/if}
+	<!-- Fixed params bar (always visible on this view) -->
+	<CsvParamsBar bind:globalSettings {activeTab} bind:tabSettingsValues={allSettings[activeTab]} />
 </div>
 
 {#if scanResults || commitResults}