diff --git a/biome.json b/biome.json
index da4a4040..ac28b8ec 100644
--- a/biome.json
+++ b/biome.json
@@ -226,7 +226,8 @@
         "useValidAnchor": "error",
         "useValidAriaProps": "error",
         "useValidAriaValues": "error",
-        "useValidLang": "error"
+        "useValidLang": "error",
+        "useButtonType": "info"
       },
       "performance": {
         "noAccumulatingSpread": "warn",
diff --git a/modules/customers/src/api/application/snapshot-builders/domain/customer-snapshot-builder.ts b/modules/customers/src/api/application/snapshot-builders/domain/customer-snapshot-builder.ts
index b349aba4..b1dc7da2 100644
--- a/modules/customers/src/api/application/snapshot-builders/domain/customer-snapshot-builder.ts
+++ b/modules/customers/src/api/application/snapshot-builders/domain/customer-snapshot-builder.ts
@@ -46,7 +46,7 @@ export class CustomerFullSnapshotBuilder implements ICustomerFullSnapshotBuilder
 
       legal_record: maybeToEmptyString(customer.legalRecord, (value) => value.toPrimitive()),
 
-      default_taxes: customer.defaultTaxes.getAll().map((tax) => tax.toString()),
+      default_taxes: customer.defaultTaxes.toKey(),
 
       language_code: customer.languageCode.toPrimitive(),
       currency_code: customer.currencyCode.toPrimitive(),
diff --git a/modules/customers/src/api/application/snapshot-builders/domain/customer-snapshot.interface.ts b/modules/customers/src/api/application/snapshot-builders/domain/customer-snapshot.interface.ts
index 22508cbf..b7a3d2e3 100644
--- a/modules/customers/src/api/application/snapshot-builders/domain/customer-snapshot.interface.ts
+++ b/modules/customers/src/api/application/snapshot-builders/domain/customer-snapshot.interface.ts
@@ -30,7 +30,7 @@ export interface ICustomerFullSnapshot {
 
   legal_record: string;
 
-  default_taxes: string[];
+  default_taxes: string;
 
   language_code: string;
   currency_code: string;
diff --git a/modules/customers/src/common/dto/response/get-customer-by-id.response.dto.ts b/modules/customers/src/common/dto/response/get-customer-by-id.response.dto.ts
index 6ae75cd2..e07fd8cd 100644
--- a/modules/customers/src/common/dto/response/get-customer-by-id.response.dto.ts
+++ b/modules/customers/src/common/dto/response/get-customer-by-id.response.dto.ts
@@ -30,7 +30,7 @@ export const GetCustomerByIdResponseSchema = z.object({
 
   legal_record: z.string(),
 
-  default_taxes: z.array(z.string()),
+  default_taxes: z.string(),
   status: z.string(),
   language_code: z.string(),
   currency_code: z.string(),
diff --git a/modules/customers/src/web/list/controllers/use-customer-sheet.controller.ts b/modules/customers/src/web/list/controllers/use-customer-sheet.controller.ts
new file mode 100644
index 00000000..ccf0364f
--- /dev/null
+++ b/modules/customers/src/web/list/controllers/use-customer-sheet.controller.ts
@@ -0,0 +1,48 @@
+import { useSheetState } from "@repo/rdx-ui/hooks";
+import { useCallback, useState } from "react";
+
+import { useCustomerGetQuery } from "../../shared/hooks";
+
+export const useCustomerSheetController = (initialCustomerId = "") => {
+  const [customerId, setCustomerId] = useState(initialCustomerId);
+  const sheetState = useSheetState({
+    defaultOpen: false,
+    defaultPinned: false,
+    defaultMode: "view",
+  });
+
+  const query = useCustomerGetQuery(customerId, {
+    enabled: Boolean(customerId),
+  });
+
+  const openCustomerSheet = useCallback(
+    (nextCustomerId: string) => {
+      setCustomerId(nextCustomerId);
+      sheetState.openInMode("view");
+    },
+    [sheetState]
+  );
+
+  const closeCustomerSheet = useCallback(() => {
+    sheetState.closeSheet();
+  }, [sheetState]);
+
+  return {
+    customer: query.data,
+    customerId,
+    setCustomerId,
+
+    openCustomerSheet,
+    closeCustomerSheet,
+
+    isLoading: query.isLoading,
+    isFetching: query.isFetching,
+
+    isError: query.isError,
+    error: query.error,
+
+    refetch: query.refetch,
+
+    sheetState,
+  };
+};
diff --git a/modules/customers/src/web/list/controllers/use-list-customers-page.controller.ts b/modules/customers/src/web/list/controllers/use-list-customers-page.controller.ts
index d29df55c..7d115b21 100644
--- a/modules/customers/src/web/list/controllers/use-list-customers-page.controller.ts
+++ b/modules/customers/src/web/list/controllers/use-list-customers-page.controller.ts
@@ -1,9 +1,13 @@
+import { useCustomerSheetController } from "./use-customer-sheet.controller";
 import { useListCustomersController } from "./use-list-customers.controller";
 
 export function useListCustomersPageController() {
   const listCtrl = useListCustomersController();
 
+  const sheetCtrl = useCustomerSheetController();
+
   return {
     listCtrl,
+    sheetCtrl,
   };
 }
diff --git a/modules/customers/src/web/list/ui/blocks/customer-sheet/customer-sheet.tsx b/modules/customers/src/web/list/ui/blocks/customer-sheet/customer-sheet.tsx
new file mode 100644
index 00000000..0547cee0
--- /dev/null
+++ b/modules/customers/src/web/list/ui/blocks/customer-sheet/customer-sheet.tsx
@@ -0,0 +1,400 @@
+import {
+  Avatar,
+  AvatarFallback,
+  Badge,
+  Button,
+  Separator,
+  Sheet,
+  SheetContent,
+  SheetTitle,
+} from "@repo/shadcn-ui/components";
+import { cn } from "@repo/shadcn-ui/lib/utils";
+import {
+  Building2Icon,
+  CopyIcon,
+  ExternalLinkIcon,
+  FileTextIcon,
+  GlobeIcon,
+  MailIcon,
+  MapPinIcon,
+  PencilIcon,
+  PhoneIcon,
+  PinIcon,
+  PinOffIcon,
+  TrendingUpIcon,
+  UserIcon,
+  XIcon,
+} from "lucide-react";
+
+import type { Customer } from "../../../../shared";
+
+interface CustomerSheetProps {
+  customer?: Customer;
+  open: boolean;
+  onOpenChange: (open: boolean) => void;
+  pinned: boolean;
+  onPinnedChange: (pinned: boolean) => void;
+  onEdit?: (customer: Customer) => void;
+}
+
+// Datos de ejemplo ERP para demostración
+const mockERPData = {
+  totalPurchases: 45750.8,
+  purchasesThisYear: 12350.25,
+  lastInvoices: [
+    {
+      id: "1",
+      number: "FAC-2024-0156",
+      date: "2024-01-15",
+      amount: 1250.0,
+      status: "paid" as const,
+    },
+    {
+      id: "2",
+      number: "FAC-2024-0142",
+      date: "2024-01-08",
+      amount: 890.5,
+      status: "paid" as const,
+    },
+    {
+      id: "3",
+      number: "FAC-2024-0128",
+      date: "2023-12-22",
+      amount: 2100.0,
+      status: "pending" as const,
+    },
+    {
+      id: "4",
+      number: "FAC-2023-0098",
+      date: "2023-11-30",
+      amount: 750.25,
+      status: "overdue" as const,
+    },
+  ],
+};
+
+export const CustomerSheet = ({
+  customer,
+  open,
+  onOpenChange,
+  pinned,
+  onPinnedChange,
+  onEdit,
+}: CustomerSheetProps) => {
+  const getInitials = (name: string) => {
+    return name
+      .split(" ")
+      .map((n) => n[0])
+      .join("")
+      .toUpperCase()
+      .slice(0, 2);
+  };
+
+  const formatCurrency = (amount: number) => {
+    return new Intl.NumberFormat("es-ES", {
+      style: "currency",
+      currency: "EUR",
+    }).format(amount);
+  };
+
+  const formatDate = (dateString: string) => {
+    return new Date(dateString).toLocaleDateString("es-ES", {
+      day: "2-digit",
+      month: "short",
+      year: "numeric",
+    });
+  };
+
+  const getGoogleMapsUrl = (customer: Customer) => {
+    const fullAddress = `${customer.street}, ${customer.postalCode} ${customer.city}, ${customer.province}, ${customer.country}`;
+    return `https://www.google.com/maps/search/?api=1&query=${encodeURIComponent(fullAddress)}`;
+  };
+
+  const copyToClipboard = (text: string) => {
+    navigator.clipboard.writeText(text);
+  };
+
+  const getInvoiceStatusBadge = (status: "paid" | "pending" | "overdue") => {
+    switch (status) {
+      case "paid":
+        return (
+          <Badge className="bg-emerald-50 text-emerald-700 border-emerald-200" variant="outline">
+            Pagada
+          </Badge>
+        );
+      case "pending":
+        return (
+          <Badge className="bg-amber-50 text-amber-700 border-amber-200" variant="outline">
+            Pendiente
+          </Badge>
+        );
+      case "overdue":
+        return (
+          <Badge className="bg-red-50 text-red-700 border-red-200" variant="outline">
+            Vencida
+          </Badge>
+        );
+    }
+  };
+
+  // Combinar datos del cliente con datos mock de ERP
+  const customerWithERP = { ...customer, ...mockERPData };
+
+  return (
+    <Sheet modal={!pinned} onOpenChange={onOpenChange} open={open}>
+      <SheetContent
+        className={cn("flex w-full flex-col p-0 sm:max-w-md", pinned && "shadow-none")}
+        showCloseButton={false}
+        side="right"
+      >
+        <div className="flex items-center justify-between border-b px-4 py-3">
+          <SheetTitle className="sr-only">Ficha de cliente</SheetTitle>
+          <div className="flex items-center gap-2">
+            <Button
+              onClick={() => onPinnedChange(!pinned)}
+              size="icon-sm"
+              title={pinned ? "Desfijar panel" : "Fijar panel"}
+              variant="ghost"
+            >
+              {pinned ? <PinOffIcon className="size-4" /> : <PinIcon className="size-4" />}
+            </Button>
+          </div>
+          <div className="flex items-center gap-1">
+            <Button onClick={() => null /*onEdit?.(customer?)*/} size="icon-sm" variant="ghost">
+              <PencilIcon className="size-4" />
+              <span className="sr-only">Editar</span>
+            </Button>
+            {!pinned && (
+              <Button onClick={() => onOpenChange(false)} size="icon-sm" variant="ghost">
+                <XIcon className="size-4" />
+                <span className="sr-only">Cerrar</span>
+              </Button>
+            )}
+          </div>
+        </div>
+
+        {/* Contenido scrolleable */}
+        {customer ? (
+          <div className="flex-1 overflow-y-auto">
+            {/* Info principal del cliente */}
+            <div className="p-4">
+              <div className="flex items-start gap-4">
+                <Avatar className="size-14 border-2 border-background shadow-md">
+                  <AvatarFallback
+                    className={
+                      customer.status === "active"
+                        ? "bg-emerald-100 text-emerald-700 text-lg"
+                        : "bg-muted text-muted-foreground text-lg"
+                    }
+                  >
+                    {getInitials(customer.name)}
+                  </AvatarFallback>
+                </Avatar>
+                <div className="flex-1 min-w-0">
+                  <div className="flex items-center gap-2">
+                    <h2 className="text-lg font-semibold text-foreground truncate">
+                      {customer.name}
+                    </h2>
+                    <Badge
+                      className="shrink-0"
+                      variant={customer.status === "active" ? "default" : "secondary"}
+                    >
+                      {customer.status === "active" ? "Activo" : "Inactivo"}
+                    </Badge>
+                  </div>
+                  {customer.tradeName && (
+                    <p className="text-sm text-muted-foreground truncate">{customer.tradeName}</p>
+                  )}
+                  <div className="mt-2 flex items-center gap-2">
+                    <Badge className="gap-1" variant="outline">
+                      {customer.isCompany ? (
+                        <>
+                          <Building2Icon className="size-3" />
+                          Empresa
+                        </>
+                      ) : (
+                        <>
+                          <UserIcon className="size-3" />
+                          Particular
+                        </>
+                      )}
+                    </Badge>
+                    <button
+                      className="flex items-center gap-1 text-xs font-mono text-muted-foreground hover:text-foreground transition-colors"
+                      onClick={() => copyToClipboard(customer.tin)}
+                      title="Copiar NIF/CIF"
+                      type="button"
+                    >
+                      {customer.tin}
+                      <CopyIcon className="size-3" />
+                    </button>
+                  </div>
+                </div>
+              </div>
+            </div>
+
+            <Separator />
+
+            {/* Datos de contacto */}
+            <div className="p-4">
+              <h3 className="text-sm font-medium text-foreground mb-3">Contacto</h3>
+              <div className="space-y-2.5">
+                <a
+                  className="flex items-center gap-3 text-sm text-muted-foreground hover:text-foreground transition-colors"
+                  href={`mailto:${customer.primaryEmail}`}
+                >
+                  <MailIcon className="size-4 shrink-0" />
+                  <span className="truncate">{customer.primaryEmail}</span>
+                </a>
+                {customer.secondaryEmail && (
+                  <a
+                    className="flex items-center gap-3 text-sm text-muted-foreground hover:text-foreground transition-colors"
+                    href={`mailto:${customer.secondaryEmail}`}
+                  >
+                    <MailIcon className="size-4 shrink-0" />
+                    <span className="truncate">{customer.secondaryEmail}</span>
+                  </a>
+                )}
+                {customer.primaryPhone && (
+                  <a
+                    className="flex items-center gap-3 text-sm text-muted-foreground hover:text-foreground transition-colors"
+                    href={`tel:${customer.primaryPhone}`}
+                  >
+                    <PhoneIcon className="size-4 shrink-0" />
+                    <span>{customer.primaryPhone}</span>
+                  </a>
+                )}
+                {customerWithERP.primaryMobile && (
+                  <a
+                    className="flex items-center gap-3 text-sm text-muted-foreground hover:text-foreground transition-colors"
+                    href={`tel:${customerWithERP.primaryMobile}`}
+                  >
+                    <PhoneIcon className="size-4 shrink-0" />
+                    <span>{customerWithERP.primaryMobile}</span>
+                  </a>
+                )}
+                {customerWithERP.website && (
+                  <a
+                    className="flex items-center gap-3 text-sm text-muted-foreground hover:text-foreground transition-colors"
+                    href={customerWithERP.website}
+                    rel="noopener noreferrer"
+                    target="_blank"
+                  >
+                    <GlobeIcon className="size-4 shrink-0" />
+                    <span className="truncate">{customerWithERP.website}</span>
+                    <ExternalLinkIcon className="size-3 shrink-0" />
+                  </a>
+                )}
+              </div>
+            </div>
+
+            <Separator />
+
+            {/* Dirección */}
+            <div className="p-4">
+              <h3 className="text-sm font-medium text-foreground mb-3">Dirección</h3>
+              <a
+                className="group flex items-start gap-3 rounded-lg p-2 -m-2 transition-colors hover:bg-muted"
+                href={getGoogleMapsUrl(customer)}
+                rel="noopener noreferrer"
+                target="_blank"
+              >
+                <MapPinIcon className="size-4 shrink-0 mt-0.5 text-muted-foreground group-hover:text-primary" />
+                <div className="text-sm text-muted-foreground group-hover:text-foreground">
+                  <p>{customer.street}</p>
+                  <p>
+                    {customer.postalCode} {customer.city}
+                  </p>
+                  <p>
+                    {customer.province}, {customer.country}
+                  </p>
+                </div>
+                <ExternalLinkIcon className="size-3 shrink-0 mt-0.5 text-muted-foreground opacity-0 group-hover:opacity-100" />
+              </a>
+            </div>
+
+            <Separator />
+
+            {/* Volumen de compras */}
+            <div className="p-4">
+              <h3 className="text-sm font-medium text-foreground mb-3 flex items-center gap-2">
+                <TrendingUpIcon className="size-4" />
+                Volumen de compras
+              </h3>
+              <div className="grid grid-cols-2 gap-3">
+                <div className="rounded-lg border bg-muted/50 p-3">
+                  <p className="text-xs text-muted-foreground">Total histórico</p>
+                  <p className="text-lg font-semibold text-foreground">
+                    {formatCurrency(customerWithERP.totalPurchases || 0)}
+                  </p>
+                </div>
+                <div className="rounded-lg border bg-muted/50 p-3">
+                  <p className="text-xs text-muted-foreground">Este año</p>
+                  <p className="text-lg font-semibold text-foreground">
+                    {formatCurrency(customerWithERP.purchasesThisYear || 0)}
+                  </p>
+                </div>
+              </div>
+            </div>
+
+            <Separator />
+
+            {/* Últimas facturas */}
+            <div className="p-4">
+              <h3 className="text-sm font-medium text-foreground mb-3 flex items-center gap-2">
+                <FileTextIcon className="size-4" />
+                Últimas facturas
+              </h3>
+              <div className="space-y-2">
+                {customerWithERP.lastInvoices?.map((invoice) => (
+                  <button
+                    className="w-full flex items-center justify-between rounded-lg border p-3 text-left transition-colors hover:bg-muted"
+                    key={invoice.id}
+                    onClick={() => console.log("Ver factura:", invoice.number)}
+                    type="button"
+                  >
+                    <div className="min-w-0">
+                      <p className="text-sm font-medium text-foreground truncate">
+                        {invoice.number}
+                      </p>
+                      <p className="text-xs text-muted-foreground">{formatDate(invoice.date)}</p>
+                    </div>
+                    <div className="flex items-center gap-2 shrink-0">
+                      <span className="text-sm font-medium">{formatCurrency(invoice.amount)}</span>
+                      {getInvoiceStatusBadge(invoice.status)}
+                    </div>
+                  </button>
+                ))}
+              </div>
+              <Button className="w-full mt-3" size="sm" variant="outline">
+                Ver todas las facturas
+              </Button>
+            </div>
+          </div>
+        ) : (
+          <div className="flex flex-1 items-center justify-center p-4">
+            <p className="text-sm text-muted-foreground">Selecciona un cliente</p>
+          </div>
+        )}
+
+        {/* Footer con acciones */}
+        <div className="border-t p-4">
+          <div className="flex gap-2">
+            <Button
+              className="flex-1"
+              onClick={() => console.log("Crear proforma para:", customer?.id)}
+              variant="outline"
+            >
+              <FileTextIcon className="size-4 mr-2" />
+              Nueva proforma
+            </Button>
+            <Button className="flex-1" onClick={() => null /*onEdit?.(customer?)*/}>
+              <PencilIcon className="size-4 mr-2" />
+              Editar cliente
+            </Button>
+          </div>
+        </div>
+      </SheetContent>
+    </Sheet>
+  );
+};
diff --git a/modules/customers/src/web/list/ui/blocks/customer-sheet/index.ts b/modules/customers/src/web/list/ui/blocks/customer-sheet/index.ts
new file mode 100644
index 00000000..1ca7fe4b
--- /dev/null
+++ b/modules/customers/src/web/list/ui/blocks/customer-sheet/index.ts
@@ -0,0 +1 @@
+export * from "./customer-sheet";
diff --git a/modules/customers/src/web/list/ui/blocks/customers-grid/customers-grid.tsx b/modules/customers/src/web/list/ui/blocks/customers-grid/customers-grid.tsx
index b85b1bcf..e6db73c1 100644
--- a/modules/customers/src/web/list/ui/blocks/customers-grid/customers-grid.tsx
+++ b/modules/customers/src/web/list/ui/blocks/customers-grid/customers-grid.tsx
@@ -6,7 +6,7 @@ import { useTranslation } from "../../../../i18n";
 import type { CustomerList, CustomerListRow } from "../../../../shared";
 
 interface CustomersGridProps {
-  data: CustomerList;
+  data?: CustomerList;
   loading: boolean;
   fetching?: boolean;
 
@@ -33,7 +33,7 @@ export const CustomersGrid = ({
 }: CustomersGridProps) => {
   const navigate = useNavigate();
   const { t } = useTranslation();
-  const { items, total_items } = data;
+  const { items, total_items } = data || { items: [], total_items: 0 };
 
   if (loading)
     return (
diff --git a/modules/customers/src/web/list/ui/blocks/customers-grid/use-customer-grid-columns.tsx b/modules/customers/src/web/list/ui/blocks/customers-grid/use-customer-grid-columns.tsx
index d9216d50..b03330f1 100644
--- a/modules/customers/src/web/list/ui/blocks/customers-grid/use-customer-grid-columns.tsx
+++ b/modules/customers/src/web/list/ui/blocks/customers-grid/use-customer-grid-columns.tsx
@@ -23,6 +23,7 @@ import { AddressCell, ContactCell, Initials } from "../../components";
 type GridActionHandlers = {
   onEditClick?: (customer: CustomerListRow) => void;
   onViewClick?: (customer: CustomerListRow) => void;
+  onSummaryClick?: (customer: CustomerListRow) => void;
   onDeleteClick?: (customer: CustomerListRow) => void;
 };
 
@@ -30,7 +31,7 @@ export function useCustomersGridColumns(
   actionHandlers: GridActionHandlers = {}
 ): ColumnDef<CustomerListRow, unknown>[] {
   const { t } = useTranslation();
-  const { onEditClick, onViewClick, onDeleteClick } = actionHandlers;
+  const { onEditClick, onViewClick, onDeleteClick, onSummaryClick } = actionHandlers;
 
   return React.useMemo<ColumnDef<CustomerListRow, unknown>[]>(
     () => [
@@ -53,7 +54,7 @@ export function useCustomersGridColumns(
           return (
             <button
               className="flex items-start gap-3 text-left transition-colors hover:opacity-80 cursor-pointer"
-              onClick={onViewClick ? () => onViewClick(customer) : undefined}
+              onClick={onSummaryClick ? () => onSummaryClick(customer) : undefined}
               type="button"
             >
               <div className="flex items-start gap-3">
@@ -74,15 +75,15 @@ export function useCustomersGridColumns(
                     <span className="font-medium text-foreground hover:underline">
                       {customer.name}
                     </span>
-                    {customer.trade_name && (
-                      <span className="text-muted-foreground">({customer.trade_name})</span>
+                    {customer.tradeName && (
+                      <span className="text-muted-foreground">({customer.tradeName})</span>
                     )}
                   </div>
 
                   <div className="flex items-center gap-2 text-sm text-muted-foreground">
                     <span className="font-mono">{customer.tin}</span>
                     <Badge className="gap-1 px-1.5 py-0 text-xs font-normal" variant="outline">
-                      {customer.is_company ? (
+                      {customer.isCompany ? (
                         <>
                           <Building2Icon className="size-3" />
                           {t("form_fields.customer_type.company")}
@@ -111,7 +112,7 @@ export function useCustomersGridColumns(
           />
         ),
         accessorFn: (row) =>
-          `${row.email_primary} ${row.phone_primary} ${row.mobile_primary} ${row.website}`,
+          `${row.primaryEmail} ${row.primaryPhone} ${row.primaryMobile} ${row.website}`,
         enableSorting: false,
         size: 140,
         minSize: 120,
@@ -127,7 +128,7 @@ export function useCustomersGridColumns(
           />
         ),
         accessorFn: (row) =>
-          `${row.street} ${row.street2} ${row.city} ${row.postal_code} ${row.province} ${row.country}`,
+          `${row.street} ${row.street2} ${row.city} ${row.postalCode} ${row.province} ${row.country}`,
         enableSorting: false,
         size: 140,
         minSize: 120,
@@ -148,7 +149,7 @@ export function useCustomersGridColumns(
         enableHiding: false,
         cell: ({ row }) => {
           const customer = row.original;
-          const { website, email_primary } = customer;
+          const { website, primaryEmail: email_primary } = customer;
 
           return (
             <div className="flex justify-end">
@@ -216,6 +217,6 @@ export function useCustomersGridColumns(
         },
       },
     ],
-    [t, onDeleteClick, onEditClick, onViewClick]
+    [t, onDeleteClick, onEditClick, onViewClick, onSummaryClick]
   );
 }
diff --git a/modules/customers/src/web/list/ui/blocks/index.ts b/modules/customers/src/web/list/ui/blocks/index.ts
index 23fe20b5..5ed67835 100644
--- a/modules/customers/src/web/list/ui/blocks/index.ts
+++ b/modules/customers/src/web/list/ui/blocks/index.ts
@@ -1 +1,2 @@
+export * from "./customer-sheet";
 export * from "./customers-grid";
diff --git a/modules/customers/src/web/list/ui/components/address-cell.tsx b/modules/customers/src/web/list/ui/components/address-cell.tsx
index 2408526f..948c6e1c 100644
--- a/modules/customers/src/web/list/ui/components/address-cell.tsx
+++ b/modules/customers/src/web/list/ui/components/address-cell.tsx
@@ -4,14 +4,14 @@ import { useTranslation } from "../../../i18n";
 import type { CustomerListRow } from "../../../shared";
 
 const getGoogleMapsUrl = (customer: CustomerListRow) => {
-  const fullAddress = `${customer.street}, ${customer.postal_code} ${customer.city}, ${customer.province}, ${customer.country}`;
+  const fullAddress = `${customer.street}, ${customer.postalCode} ${customer.city}, ${customer.province}, ${customer.country}`;
   return `https://www.google.com/maps/search/?api=1&query=${encodeURIComponent(fullAddress)}`;
 };
 
 export const AddressCell = ({ customer }: { customer: CustomerListRow }) => {
   const { t } = useTranslation();
   const line1 = [customer.street, customer.street2].filter(Boolean).join(", ");
-  const line2 = [customer.postal_code, customer.city].filter(Boolean).join(" ");
+  const line2 = [customer.postalCode, customer.city].filter(Boolean).join(" ");
   const line3 = [customer.province, customer.country].filter(Boolean).join(", ");
   return (
     <address className="not-italic flex items-start gap-2 text-muted-foreground hover:text-primary transition-colors">
diff --git a/modules/customers/src/web/list/ui/components/contact-cell.tsx b/modules/customers/src/web/list/ui/components/contact-cell.tsx
index 779ddc8b..79f80704 100644
--- a/modules/customers/src/web/list/ui/components/contact-cell.tsx
+++ b/modules/customers/src/web/list/ui/components/contact-cell.tsx
@@ -3,32 +3,32 @@ import { MailIcon, PhoneIcon } from "lucide-react";
 
 export const ContactCell = ({ customer }: { customer: CustomerListRow }) => (
   <div className="flex flex-col gap-1.5 text-sm text-muted-foreground transition-colors ">
-    {customer.email_primary && (
+    {customer.primaryEmail && (
       <a
         className="flex items-center gap-2 hover:text-foreground"
-        href={`mailto:${customer.email_primary}`}
+        href={`mailto:${customer.primaryEmail}`}
       >
         <MailIcon className="size-3.5" />
-        {customer.email_primary}
+        {customer.primaryEmail}
       </a>
     )}
 
-    {customer.email_secondary && (
+    {customer.secondaryEmail && (
       <a
         className="flex items-center gap-2 hover:text-foreground"
-        href={`mailto:${customer.email_secondary}`}
+        href={`mailto:${customer.secondaryEmail}`}
       >
         <MailIcon className="size-3.5" />
-        {customer.email_secondary}
+        {customer.secondaryEmail}
       </a>
     )}
-    {customer.phone_primary && (
+    {customer.primaryPhone && (
       <a
         className="flex items-center gap-2 hover:text-foreground"
-        href={`tel:${customer.phone_primary}`}
+        href={`tel:${customer.primaryPhone}`}
       >
         <PhoneIcon className="size-3.5" />
-        {customer.phone_primary}
+        {customer.primaryPhone}
       </a>
     )}
   </div>
diff --git a/modules/customers/src/web/list/ui/pages/list-customers-page.tsx b/modules/customers/src/web/list/ui/pages/list-customers-page.tsx
index 4acba309..a6efebfe 100644
--- a/modules/customers/src/web/list/ui/pages/list-customers-page.tsx
+++ b/modules/customers/src/web/list/ui/pages/list-customers-page.tsx
@@ -7,21 +7,22 @@ import { useNavigate } from "react-router-dom";
 import { useTranslation } from "../../../i18n";
 import { ErrorAlert } from "../../../shared/ui";
 import { useListCustomersPageController } from "../../controllers";
-import { CustomersGrid, useCustomersGridColumns } from "../blocks";
+import { CustomerSheet, CustomersGrid, useCustomersGridColumns } from "../blocks";
 
 export const ListCustomersPage = () => {
   const { t } = useTranslation();
   const navigate = useNavigate();
 
-  const { listCtrl } = useListCustomersPageController();
+  const { listCtrl, sheetCtrl } = useListCustomersPageController();
 
   const columns = useCustomersGridColumns({
     onEditClick: (customer) => navigate(`/customers/${customer.id}/edit`),
     onViewClick: (customer) => navigate(`/customers/${customer.id}`),
+    onSummaryClick: (customer) => sheetCtrl.openCustomerSheet(customer.id),
     //onDeleteClick: (customer) => null, //confirmDelete(inv.id),
   });
 
-  if (listCtrl.isError || !listCtrl.data) {
+  if (listCtrl.isError) {
     return (
       <AppContent>
         <ErrorAlert
@@ -67,10 +68,21 @@ export const ListCustomersPage = () => {
           onPageChange={listCtrl.setPageIndex}
           onPageSizeChange={listCtrl.setPageSize}
           // acciones rápidas del grid → page controller
-          //onRowClick={(id) => navigate(`/proformas/${id}`)}
+          onRowClick={(id) => null}
           pageIndex={listCtrl.pageIndex}
           pageSize={listCtrl.pageSize}
         />
+
+        {/* Customer Sheet */}
+        <CustomerSheet
+          customer={sheetCtrl.customer}
+          //mode={sheetCtrl.sheet.mode}
+          onEdit={(customer) => navigate(`/customers/${customer.id}/edit`)}
+          onOpenChange={sheetCtrl.sheetState.onOpenChange}
+          onPinnedChange={sheetCtrl.sheetState.setPinned}
+          open={sheetCtrl.sheetState.sheetIsOpen}
+          pinned={sheetCtrl.sheetState.sheetIsPinned}
+        />
       </AppContent>
     </>
   );
diff --git a/modules/customers/src/web/shared/adapters/get-customer-by-id.adapter.ts b/modules/customers/src/web/shared/adapters/get-customer-by-id.adapter.ts
index b7af9f88..eb77780a 100644
--- a/modules/customers/src/web/shared/adapters/get-customer-by-id.adapter.ts
+++ b/modules/customers/src/web/shared/adapters/get-customer-by-id.adapter.ts
@@ -1,39 +1,46 @@
 import type { GetCustomerByIdResponseDTO } from "../../../common";
 import type { Customer } from "../entities";
 
-export const mapGetCustomerByIdResponseDtoToCustomerAdapter = (
-  dto: GetCustomerByIdResponseDTO
-): Customer => ({
-  id: dto.id,
-  companyId: dto.company_id,
-  reference: dto.reference,
+export const GetCustomerByIdAdapter = {
+  fromDTO(dto: GetCustomerByIdResponseDTO, context?: unknown): Customer {
+    const taxesAdapter = (taxes: string) => taxes.split(";").filter((item) => item !== "#") || [];
 
-  isCompany: dto.is_company,
-  name: dto.name,
-  tradeName: dto.trade_name,
-  tin: dto.tin,
+    const defaultTaxes = taxesAdapter(dto.default_taxes);
+    console.log("defaultTaxes", defaultTaxes);
 
-  street: dto.street,
-  street2: dto.street2,
-  city: dto.city,
-  province: dto.province,
-  postalCode: dto.postal_code,
-  country: dto.country,
+    return {
+      id: dto.id,
+      companyId: dto.company_id,
+      reference: dto.reference,
 
-  primaryEmail: dto.email_primary,
-  secondaryEmail: dto.email_secondary,
-  primaryPhone: dto.phone_primary,
-  secondaryPhone: dto.phone_secondary,
-  primaryMobile: dto.mobile_primary,
-  secondaryMobile: dto.mobile_secondary,
+      isCompany: dto.is_company,
+      name: dto.name,
+      tradeName: dto.trade_name,
+      tin: dto.tin,
 
-  fax: dto.fax,
-  website: dto.website,
+      street: dto.street,
+      street2: dto.street2,
+      city: dto.city,
+      province: dto.province,
+      postalCode: dto.postal_code,
+      country: dto.country,
 
-  legalRecord: dto.legal_record,
+      primaryEmail: dto.email_primary,
+      secondaryEmail: dto.email_secondary,
+      primaryPhone: dto.phone_primary,
+      secondaryPhone: dto.phone_secondary,
+      primaryMobile: dto.mobile_primary,
+      secondaryMobile: dto.mobile_secondary,
 
-  defaultTaxes: dto.default_taxes,
-  status: dto.status,
-  languageCode: dto.language_code,
-  currencyCode: dto.currency_code,
-});
+      fax: dto.fax,
+      website: dto.website,
+
+      legalRecord: dto.legal_record,
+
+      defaultTaxes: defaultTaxes,
+      status: dto.status,
+      languageCode: dto.language_code,
+      currencyCode: dto.currency_code,
+    };
+  },
+};
diff --git a/modules/customers/src/web/shared/adapters/list-customers.adapter.ts b/modules/customers/src/web/shared/adapters/list-customers.adapter.ts
index be99f5d7..d2e72322 100644
--- a/modules/customers/src/web/shared/adapters/list-customers.adapter.ts
+++ b/modules/customers/src/web/shared/adapters/list-customers.adapter.ts
@@ -25,33 +25,33 @@ const ListCustomersRowAdapter = {
 
     return {
       id: rowDto.id,
-      company_id: rowDto.company_id,
+      companyId: rowDto.company_id,
       status: rowDto.status,
       reference: rowDto.reference,
 
-      is_company: rowDto.is_company === "1",
+      isCompany: rowDto.is_company === "1",
       name: rowDto.name,
-      trade_name: rowDto.trade_name,
+      tradeName: rowDto.trade_name,
       tin: rowDto.tin,
 
       street: rowDto.street,
       street2: rowDto.street2,
       city: rowDto.city,
       province: rowDto.province,
-      postal_code: rowDto.postal_code,
+      postalCode: rowDto.postal_code,
       country: rowDto.country,
 
-      email_primary: rowDto.email_primary,
-      email_secondary: rowDto.email_secondary,
-      phone_primary: rowDto.phone_primary,
-      phone_secondary: rowDto.phone_secondary,
-      mobile_primary: rowDto.mobile_primary,
-      mobile_secondary: rowDto.mobile_secondary,
+      primaryEmail: rowDto.email_primary,
+      secondaryEmail: rowDto.email_secondary,
+      primaryPhone: rowDto.phone_primary,
+      secondaryPhone: rowDto.phone_secondary,
+      primaryMobile: rowDto.mobile_primary,
+      secondaryMobile: rowDto.mobile_secondary,
       fax: rowDto.fax,
       website: rowDto.website,
 
-      language_code: rowDto.language_code,
-      currency_code: rowDto.currency_code,
+      languageCode: rowDto.language_code,
+      currencyCode: rowDto.currency_code,
     };
   },
 };
diff --git a/modules/customers/src/web/shared/api/get-customer-by-id.api.ts b/modules/customers/src/web/shared/api/get-customer-by-id.api.ts
index fa1af04b..1f188c5e 100644
--- a/modules/customers/src/web/shared/api/get-customer-by-id.api.ts
+++ b/modules/customers/src/web/shared/api/get-customer-by-id.api.ts
@@ -1,9 +1,9 @@
 import type { IDataSource } from "@erp/core/client";
 
-import type { Customer } from "../entities";
+import type { GetCustomerByIdResponseDTO } from "../../../common";
 
 export async function getCustomerById(dataSource: IDataSource, signal: AbortSignal, id?: string) {
   if (!id) throw new Error("customerId is required");
-  const response = dataSource.getOne<Customer>("customers", id, { signal });
+  const response = dataSource.getOne<GetCustomerByIdResponseDTO>("customers", id, { signal });
   return response;
 }
diff --git a/modules/customers/src/web/shared/entities/customer-list-row.entity.ts b/modules/customers/src/web/shared/entities/customer-list-row.entity.ts
index 20d2e7c1..adc25731 100644
--- a/modules/customers/src/web/shared/entities/customer-list-row.entity.ts
+++ b/modules/customers/src/web/shared/entities/customer-list-row.entity.ts
@@ -1,30 +1,31 @@
 export interface CustomerListRow {
   id: string;
-  company_id: string;
+  companyId: string;
   status: string;
   reference: string;
 
-  is_company: boolean;
+  isCompany: boolean;
   name: string;
-  trade_name: string;
+  tradeName: string;
   tin: string;
 
   street: string;
   street2: string;
   city: string;
   province: string;
-  postal_code: string;
+  postalCode: string;
   country: string;
 
-  email_primary: string;
-  email_secondary: string;
-  phone_primary: string;
-  phone_secondary: string;
-  mobile_primary: string;
-  mobile_secondary: string;
+  primaryEmail: string;
+  secondaryEmail: string;
+  primaryPhone: string;
+  secondaryPhone: string;
+  primaryMobile: string;
+  secondaryMobile: string;
+
   fax: string;
   website: string;
 
-  language_code: string;
-  currency_code: string;
+  languageCode: string;
+  currencyCode: string;
 }
diff --git a/modules/customers/src/web/shared/hooks/use-customer-get-query.ts b/modules/customers/src/web/shared/hooks/use-customer-get-query.ts
index 816d5fa7..b324dbe2 100644
--- a/modules/customers/src/web/shared/hooks/use-customer-get-query.ts
+++ b/modules/customers/src/web/shared/hooks/use-customer-get-query.ts
@@ -6,7 +6,9 @@ import {
   useQuery,
 } from "@tanstack/react-query";
 
-import { type Customer, getCustomerById } from "../api";
+import { GetCustomerByIdAdapter } from "../adapters";
+import { getCustomerById } from "../api";
+import type { Customer } from "../entities";
 
 export const CUSTOMER_QUERY_KEY = (customerId?: string): QueryKey => [
   "customers:detail",
@@ -28,9 +30,12 @@ export const useCustomerGetQuery = (
 
   return useQuery<Customer, DefaultError>({
     queryKey: CUSTOMER_QUERY_KEY(customerId),
-    queryFn: async ({ signal }) => getCustomerById(dataSource, signal, customerId),
+    queryFn: async ({ signal }) => {
+      const dto = await getCustomerById(dataSource, signal, customerId);
+      return GetCustomerByIdAdapter.fromDTO(dto);
+    },
     enabled,
-    placeholderData: (previousData, _previousQuery) => previousData, // Mantener datos previos mientras se carga nueva datos (antiguo `keepPreviousData`)
+    placeholderData: (previousData) => previousData, // Mantener datos previos mientras se carga nueva datos (antiguo `keepPreviousData`)
   });
 };
 
diff --git a/modules/customers/src/web/view/adapters/customer-dto.adapter.ts b/modules/customers/src/web/view/adapters/customer-dto.adapter.ts
deleted file mode 100644
index 356d7751..00000000
--- a/modules/customers/src/web/view/adapters/customer-dto.adapter.ts
+++ /dev/null
@@ -1,13 +0,0 @@
-import type { Customer } from "../../shared";
-import type { CustomerData } from "../types";
-
-/**
- * Convierte el DTO completo de API a datos numéricos para el formulario.
- */
-export const CustomerDtoAdapter = {
-  fromDto(customerDto: Customer, context?: unknown): CustomerData {
-    return {
-      ...customerDto,
-    };
-  },
-};
diff --git a/modules/customers/src/web/view/adapters/index.ts b/modules/customers/src/web/view/adapters/index.ts
deleted file mode 100644
index bc45e2cf..00000000
--- a/modules/customers/src/web/view/adapters/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-export * from "./customer-dto.adapter";
diff --git a/modules/customers/src/web/view/controllers/use-customer-view.controller.ts b/modules/customers/src/web/view/controllers/use-customer-view.controller.ts
index 3758c130..222a0936 100644
--- a/modules/customers/src/web/view/controllers/use-customer-view.controller.ts
+++ b/modules/customers/src/web/view/controllers/use-customer-view.controller.ts
@@ -1,20 +1,22 @@
-import { useMemo, useState } from "react";
+import { useState } from "react";
 
 import { useCustomerGetQuery } from "../../shared/hooks";
-import { CustomerDtoAdapter } from "../adapters";
 
-export const useCustomerViewController = () => {
-  const [customerId, setCustomerId] = useState("");
+export const useCustomerViewController = (initialCustomerId = "") => {
+  const [customerId, setCustomerId] = useState(initialCustomerId);
 
   const query = useCustomerGetQuery(customerId);
-  const data = useMemo(
-    () => (query.data ? CustomerDtoAdapter.fromDto(query.data) : undefined),
-    [query.data]
-  );
 
   return {
-    ...query,
-    data,
+    data: query.data,
+    isLoading: query.isLoading,
+    isFetching: query.isFetching,
+
+    isError: query.isError,
+    error: query.error,
+
+    refetch: query.refetch,
+
     customerId,
     setCustomerId,
   };
diff --git a/modules/customers/src/web/view/types/index.ts b/modules/customers/src/web/view/types/index.ts
deleted file mode 100644
index eea524d6..00000000
--- a/modules/customers/src/web/view/types/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-export * from "./types";
diff --git a/modules/customers/src/web/view/types/types.ts b/modules/customers/src/web/view/types/types.ts
deleted file mode 100644
index 5c235d22..00000000
--- a/modules/customers/src/web/view/types/types.ts
+++ /dev/null
@@ -1,3 +0,0 @@
-import type { Customer } from "../../shared/api";
-
-export type CustomerData = Customer;
diff --git a/modules/customers/src/web/view/ui/pages/customer-view-page.tsx b/modules/customers/src/web/view/ui/pages/customer-view-page.tsx
index 324675df..e0e35e80 100644
--- a/modules/customers/src/web/view/ui/pages/customer-view-page.tsx
+++ b/modules/customers/src/web/view/ui/pages/customer-view-page.tsx
@@ -77,7 +77,7 @@ export const CustomerViewPage = () => {
               <Badge className="font-mono" variant="secondary">
                 {customerData?.tin}
               </Badge>
-              <Badge variant="outline">{customerData?.is_company ? "Empresa" : "Persona"}</Badge>
+              <Badge variant="outline">{customerData?.isCompany ? "Empresa" : "Persona"}</Badge>
             </div>
           }
           rightSlot={
@@ -102,8 +102,8 @@ export const CustomerViewPage = () => {
           title={
             <div className="flex flex-wrap items-center gap-2">
               {customerData?.name}{" "}
-              {customerData?.trade_name && (
-                <span className="text-muted-foreground">({customerData.trade_name})</span>
+              {customerData?.tradeName && (
+                <span className="text-muted-foreground">({customerData.tradeName})</span>
               )}
             </div>
           }
@@ -133,12 +133,12 @@ export const CustomerViewPage = () => {
               </div>
               <div>
                 <dt className="text-sm font-medium text-muted-foreground">Registro Legal</dt>
-                <dd className="mt-1 text-base text-foreground">{customerData?.legal_record}</dd>
+                <dd className="mt-1 text-base text-foreground">{customerData?.legalRecord}</dd>
               </div>
               <div>
                 <dt className="text-sm font-medium text-muted-foreground">Impuestos por Defecto</dt>
                 <dd className="mt-1">
-                  {customerData?.default_taxes.map((tax) => (
+                  {customerData?.defaultTaxes.map((tax: string) => (
                     <Badge key={tax} variant={"secondary"}>
                       {tax}
                     </Badge>
@@ -176,7 +176,7 @@ export const CustomerViewPage = () => {
                 </div>
                 <div>
                   <dt className="text-sm font-medium text-muted-foreground">Código Postal</dt>
-                  <dd className="mt-1 text-base text-foreground">{customerData?.postal_code}</dd>
+                  <dd className="mt-1 text-base text-foreground">{customerData?.postalCode}</dd>
                 </div>
               </div>
               <div className="grid grid-cols-2 gap-4">
@@ -205,35 +205,35 @@ export const CustomerViewPage = () => {
                 {/* Contacto Principal */}
                 <div className="space-y-4">
                   <h3 className="font-semibold text-foreground">Contacto Principal</h3>
-                  {customerData?.email_primary && (
+                  {customerData?.primaryEmail && (
                     <div className="flex items-start gap-3">
                       <Mail className="mt-0.5 h-4 w-4 text-muted-foreground" />
                       <div className="flex-1">
                         <dt className="text-sm font-medium text-muted-foreground">Email</dt>
                         <dd className="mt-1 text-base text-foreground">
-                          {customerData?.email_primary}
+                          {customerData?.primaryEmail}
                         </dd>
                       </div>
                     </div>
                   )}
-                  {customerData?.mobile_primary && (
+                  {customerData?.primaryMobile && (
                     <div className="flex items-start gap-3">
                       <Smartphone className="mt-0.5 h-4 w-4 text-muted-foreground" />
                       <div className="flex-1">
                         <dt className="text-sm font-medium text-muted-foreground">Móvil</dt>
                         <dd className="mt-1 text-base text-foreground">
-                          {customerData?.mobile_primary}
+                          {customerData?.primaryMobile}
                         </dd>
                       </div>
                     </div>
                   )}
-                  {customerData?.phone_primary && (
+                  {customerData?.primaryPhone && (
                     <div className="flex items-start gap-3">
                       <Phone className="mt-0.5 h-4 w-4 text-muted-foreground" />
                       <div className="flex-1">
                         <dt className="text-sm font-medium text-muted-foreground">Teléfono</dt>
                         <dd className="mt-1 text-base text-foreground">
-                          {customerData?.phone_primary}
+                          {customerData?.primaryPhone}
                         </dd>
                       </div>
                     </div>
@@ -243,35 +243,35 @@ export const CustomerViewPage = () => {
                 {/* Contacto Secundario */}
                 <div className="space-y-4">
                   <h3 className="font-semibold text-foreground">Contacto Secundario</h3>
-                  {customerData?.email_secondary && (
+                  {customerData?.secondaryEmail && (
                     <div className="flex items-start gap-3">
                       <Mail className="mt-0.5 h-4 w-4 text-muted-foreground" />
                       <div className="flex-1">
                         <dt className="text-sm font-medium text-muted-foreground">Email</dt>
                         <dd className="mt-1 text-base text-foreground">
-                          {customerData?.email_secondary}
+                          {customerData?.secondaryEmail}
                         </dd>
                       </div>
                     </div>
                   )}
-                  {customerData?.mobile_secondary && (
+                  {customerData?.secondaryMobile && (
                     <div className="flex items-start gap-3">
                       <Smartphone className="mt-0.5 h-4 w-4 text-muted-foreground" />
                       <div className="flex-1">
                         <dt className="text-sm font-medium text-muted-foreground">Móvil</dt>
                         <dd className="mt-1 text-base text-foreground">
-                          {customerData?.mobile_secondary}
+                          {customerData?.secondaryMobile}
                         </dd>
                       </div>
                     </div>
                   )}
-                  {customerData?.phone_secondary && (
+                  {customerData?.secondaryPhone && (
                     <div className="flex items-start gap-3">
                       <Phone className="mt-0.5 h-4 w-4 text-muted-foreground" />
                       <div className="flex-1">
                         <dt className="text-sm font-medium text-muted-foreground">Teléfono</dt>
                         <dd className="mt-1 text-base text-foreground">
-                          {customerData?.phone_secondary}
+                          {customerData?.secondaryPhone}
                         </dd>
                       </div>
                     </div>
@@ -330,18 +330,14 @@ export const CustomerViewPage = () => {
                   <Languages className="mt-0.5 h-4 w-4 text-muted-foreground" />
                   <div className="flex-1">
                     <dt className="text-sm font-medium text-muted-foreground">Idioma Preferido</dt>
-                    <dd className="mt-1 text-base text-foreground">
-                      {customerData?.language_code}
-                    </dd>
+                    <dd className="mt-1 text-base text-foreground">{customerData?.languageCode}</dd>
                   </div>
                 </div>
                 <div className="flex items-start gap-3">
                   <Banknote className="mt-0.5 h-4 w-4 text-muted-foreground" />
                   <div className="flex-1">
                     <dt className="text-sm font-medium text-muted-foreground">Moneda Preferida</dt>
-                    <dd className="mt-1 text-base text-foreground">
-                      {customerData?.currency_code}
-                    </dd>
+                    <dd className="mt-1 text-base text-foreground">{customerData?.currencyCode}</dd>
                   </div>
                 </div>
               </div>
diff --git a/packages/rdx-ui/src/hooks/index.ts b/packages/rdx-ui/src/hooks/index.ts
index 80f60929..6e0460dd 100644
--- a/packages/rdx-ui/src/hooks/index.ts
+++ b/packages/rdx-ui/src/hooks/index.ts
@@ -1,2 +1,3 @@
+export * from "./sheet/index.ts";
 export * from "./use-device-info.ts";
 export * from "./use-row-selection.ts";
diff --git a/packages/rdx-ui/src/hooks/sheet/index.ts b/packages/rdx-ui/src/hooks/sheet/index.ts
new file mode 100644
index 00000000..dabfd909
--- /dev/null
+++ b/packages/rdx-ui/src/hooks/sheet/index.ts
@@ -0,0 +1,2 @@
+export * from "./sheet-state-types.ts";
+export * from "./use-sheet-state.ts";
diff --git a/packages/rdx-ui/src/hooks/sheet/sheet-state-types.ts b/packages/rdx-ui/src/hooks/sheet/sheet-state-types.ts
new file mode 100644
index 00000000..082109bf
--- /dev/null
+++ b/packages/rdx-ui/src/hooks/sheet/sheet-state-types.ts
@@ -0,0 +1,28 @@
+export type SheetMode = "view" | "edit" | "create";
+
+export interface SheetStateOptions {
+  defaultOpen?: boolean;
+  defaultPinned?: boolean;
+  defaultMode?: SheetMode;
+}
+
+export interface SheetState {
+  sheetIsOpen: boolean;
+  sheetIsPinned: boolean;
+  sheetIsModal: boolean;
+  sheetMode: SheetMode;
+}
+
+export interface SheetStateActions {
+  openSheet: () => void;
+  closeSheet: () => void;
+  togglePinned: () => void;
+  setOpen: (next: boolean) => void;
+  setPinned: (next: boolean) => void;
+  setMode: (next: SheetMode) => void;
+  onOpenChange: (next: boolean) => void;
+  openInMode: (nextMode: SheetMode) => void;
+  resetSheet: () => void;
+}
+
+export type SheetStateController = SheetState & SheetStateActions;
diff --git a/packages/rdx-ui/src/hooks/sheet/use-sheet-state.ts b/packages/rdx-ui/src/hooks/sheet/use-sheet-state.ts
new file mode 100644
index 00000000..f9786c32
--- /dev/null
+++ b/packages/rdx-ui/src/hooks/sheet/use-sheet-state.ts
@@ -0,0 +1,56 @@
+import { useCallback, useState } from "react";
+
+import type { SheetMode, SheetStateController, SheetStateOptions } from "./sheet-state-types.ts";
+
+const DEFAULT_MODE: SheetMode = "view";
+
+export const useSheetState = (options: SheetStateOptions = {}): SheetStateController => {
+  const { defaultOpen = false, defaultPinned = false, defaultMode = DEFAULT_MODE } = options;
+
+  const [open, setOpen] = useState<boolean>(defaultOpen);
+  const [pinned, setPinned] = useState<boolean>(defaultPinned);
+  const [mode, setMode] = useState<SheetMode>(defaultMode);
+
+  const openSheet = useCallback(() => {
+    setOpen(true);
+  }, []);
+
+  const closeSheet = useCallback(() => {
+    setOpen(false);
+  }, []);
+
+  const togglePinned = useCallback(() => {
+    setPinned((prev) => !prev);
+  }, []);
+
+  const onOpenChange = useCallback((next: boolean) => {
+    setOpen(next);
+  }, []);
+
+  const openInMode = useCallback((nextMode: SheetMode) => {
+    setMode(nextMode);
+    setOpen(true);
+  }, []);
+
+  const resetSheet = useCallback(() => {
+    setOpen(defaultOpen);
+    setPinned(defaultPinned);
+    setMode(defaultMode);
+  }, [defaultMode, defaultOpen, defaultPinned]);
+
+  return {
+    sheetIsOpen: open,
+    sheetIsPinned: pinned,
+    sheetIsModal: !pinned,
+    sheetMode: mode,
+    openSheet,
+    closeSheet,
+    togglePinned,
+    setOpen,
+    setPinned,
+    setMode,
+    onOpenChange,
+    openInMode,
+    resetSheet,
+  };
+};