Improve expenses mobile layout and payment flow

apps/frontend/src/components/layout/Layout.tsx

@@ -13,7 +13,7 @@ export function Layout() {
       <Sidebar open={sidebarOpen} onClose={() => setSidebarOpen(false)} />
       <div className="flex flex-1 flex-col">
         <Header onMenuClick={() => setSidebarOpen(true)} />
-        <main className="flex-1 p-6">
+        <main className="flex-1 px-3 py-4 sm:p-6">
           <Outlet />
         </main>
       </div>

apps/frontend/src/features/expenses/ExpensesPage.tsx

@@ -15,9 +15,9 @@ function ExpensesPageInner() {
 
   return (
     <div className="space-y-4">
-      <h1 className="text-2xl font-semibold">Gastos</h1>
+      <h1 className="text-2xl font-semibold text-balance">Gastos</h1>
 
-      <div className="flex gap-1 border-b">
+      <div className="flex gap-1 overflow-x-auto border-b">
         {tabs.map((tab) => (
           <button
             key={tab.id}
@@ -25,8 +25,8 @@ function ExpensesPageInner() {
             onClick={() => setActiveTab(tab.id)}
             className={
               activeTab === tab.id
-                ? "-mb-px border-b-2 border-primary px-3 pb-2 text-sm font-medium text-foreground"
+                ? "-mb-px shrink-0 border-b-2 border-primary px-3 pb-2 text-sm font-medium text-foreground"
-                : "px-3 pb-2 text-sm font-medium text-muted-foreground transition-colors hover:text-foreground"
+                : "shrink-0 px-3 pb-2 text-sm font-medium text-muted-foreground transition-colors hover:text-foreground"
             }
           >
             {tab.label}

apps/frontend/src/features/expenses/components/ExpensesTabContent.tsx

@@ -64,21 +64,22 @@ export function ExpensesTabContent() {
 
   return (
     <div className="space-y-4">
-      <div className="flex items-center justify-between gap-2 flex-wrap">
+      <div className="space-y-3 sm:flex sm:flex-wrap sm:items-center sm:justify-between sm:gap-2 sm:space-y-0">
-        <div className="flex gap-1">
+        <div className="flex gap-1 overflow-x-auto pb-1 sm:pb-0">
           {filters.map((f) => (
             <Button
               key={f.value}
               variant={statusFilter === f.value ? "default" : "outline"}
               size="xs"
+              className="shrink-0"
               onClick={() => { setStatusFilter(f.value); setPage(1); }}
             >
               {f.label}
             </Button>
           ))}
         </div>
-        <div className="flex items-center gap-2">
+        <div className="grid gap-2 sm:flex sm:items-center">
-          <div className="relative w-48">
+          <div className="relative min-w-0 sm:w-48">
             <Search className="pointer-events-none absolute left-2.5 top-1/2 size-4 -translate-y-1/2 text-muted-foreground" />
             <Input
               placeholder="Buscar por descripción..."
@@ -103,7 +104,7 @@ export function ExpensesTabContent() {
               setPage(1);
             }}
           >
-            <SelectTrigger className="w-52">
+            <SelectTrigger className="w-full sm:w-52">
               <SelectValue placeholder="Todos los gastos" />
             </SelectTrigger>
             <SelectContent>
@@ -115,16 +116,18 @@ export function ExpensesTabContent() {
               ))}
             </SelectContent>
           </Select>
-          <Button onClick={() => setImportDialogOpen(true)} variant="outline" size="sm">
+          <div className="grid grid-cols-2 gap-2 sm:flex">
+            <Button onClick={() => setImportDialogOpen(true)} variant="outline" size="sm" className="min-w-0">
               <Upload className="size-4" />
-            Importar
+              <span className="truncate">Importar</span>
             </Button>
-          <Button onClick={() => setNewExpenseOpen(true)} size="sm">
+            <Button onClick={() => setNewExpenseOpen(true)} size="sm" className="min-w-0">
               <Plus className="size-4" />
-            Nuevo gasto
+              <span className="truncate">Nuevo gasto</span>
             </Button>
           </div>
         </div>
+      </div>
 
       {isLoadingExpenses ? (
         <p className="text-sm text-muted-foreground">Cargando...</p>

apps/frontend/src/features/expenses/components/ExpensesTable.tsx

@@ -26,6 +26,38 @@ interface ExpensesTableProps {
   onPageChange: (page: number) => void;
 }
 
+function formatExpenseDate(value: string) {
+  return new Date(value).toLocaleDateString("es-AR", {
+    timeZone: "UTC",
+    day: "2-digit",
+    month: "2-digit",
+    year: "numeric",
+  });
+}
+
+function formatExpenseAmount(expense: Expense) {
+  const isPayed = expense.status === "PAYED";
+  const value = isPayed && expense.amountPayed ? Number(expense.amountPayed) : Number(expense.amount);
+
+  return `$${value.toLocaleString("es-AR", { minimumFractionDigits: 2 })}`;
+}
+
+function ExpenseStatusBadge({ status }: { status: Expense["status"] }) {
+  const isPayed = status === "PAYED";
+
+  return (
+    <span
+      className={
+        isPayed
+          ? "inline-flex h-5 shrink-0 items-center rounded-md bg-green-100 px-1.5 text-xs font-medium text-green-700 dark:bg-green-900/30 dark:text-green-400"
+          : "inline-flex h-5 shrink-0 items-center rounded-md bg-yellow-100 px-1.5 text-xs font-medium text-yellow-700 dark:bg-yellow-900/30 dark:text-yellow-400"
+      }
+    >
+      {isPayed ? "Pagado" : "Pendiente"}
+    </span>
+  );
+}
+
 export function ExpensesTable({ data, onPay, page, total, pageSize, onPageChange }: ExpensesTableProps) {
   const columns = useMemo<ColumnDef<Expense>[]>(
     () => [
@@ -41,11 +73,9 @@ export function ExpensesTable({ data, onPay, page, total, pageSize, onPageChange
         accessorKey: "amount",
         cell: ({ row }) => {
           const expense = row.original;
-          const isPayed = expense.status === "PAYED";
-          const value = isPayed && expense.amountPayed ? Number(expense.amountPayed) : Number(expense.amount);
           return (
             <span className="tabular-nums">
-              ${value.toLocaleString("es-AR", { minimumFractionDigits: 2 })}
+              {formatExpenseAmount(expense)}
             </span>
           );
         },
@@ -54,15 +84,9 @@ export function ExpensesTable({ data, onPay, page, total, pageSize, onPageChange
         header: "Vencimiento",
         accessorKey: "dueDate",
         cell: ({ row }) => {
-          const dueDate = new Date(row.getValue("dueDate"));
           return (
             <span className="text-muted-foreground">
-              {dueDate.toLocaleDateString("es-AR", {
+              {formatExpenseDate(row.getValue("dueDate") as string)}
-                timeZone: "UTC",
-                day: "2-digit",
-                month: "2-digit",
-                year: "numeric",
-              })}
             </span>
           );
         },
@@ -71,19 +95,7 @@ export function ExpensesTable({ data, onPay, page, total, pageSize, onPageChange
         header: "Estado",
         accessorKey: "status",
         cell: ({ row }) => {
-          const status = row.getValue("status");
+          return <ExpenseStatusBadge status={row.getValue("status") as Expense["status"]} />;
-          const isPayed = status === "PAYED";
-          return (
-            <span
-              className={
-                isPayed
-                  ? "inline-flex h-5 items-center rounded-md bg-green-100 px-1.5 text-xs font-medium text-green-700 dark:bg-green-900/30 dark:text-green-400"
-                  : "inline-flex h-5 items-center rounded-md bg-yellow-100 px-1.5 text-xs font-medium text-yellow-700 dark:bg-yellow-900/30 dark:text-yellow-400"
-              }
-            >
-              {isPayed ? "Pagado" : "Pendiente"}
-            </span>
-          );
         },
       },
       {
@@ -94,15 +106,9 @@ export function ExpensesTable({ data, onPay, page, total, pageSize, onPageChange
           if (!paymentDate) {
             return <span className="text-muted-foreground">--</span>;
           }
-          const date = new Date(paymentDate as string);
           return (
             <span className="text-muted-foreground">
-              {date.toLocaleDateString("es-AR", {
+              {formatExpenseDate(paymentDate as string)}
-                timeZone: "UTC",
-                day: "2-digit",
-                month: "2-digit",
-                year: "numeric",
-              })}
             </span>
           );
         },
@@ -141,10 +147,81 @@ export function ExpensesTable({ data, onPay, page, total, pageSize, onPageChange
   const currentGroup = Math.floor((page - 1) / GROUP_SIZE);
   const startPage = currentGroup * GROUP_SIZE + 1;
   const endPage = Math.min(startPage + GROUP_SIZE - 1, totalPages);
+  const firstItem = total === 0 ? 0 : (page - 1) * pageSize + 1;
+  const lastItem = Math.min(page * pageSize, total);
+  const mobilePagination = total > 0 ? (
+    <div className="rounded-lg border bg-card p-2 sm:hidden">
+      <div className="mb-2 text-center text-xs text-muted-foreground tabular-nums">
+        {firstItem}-{lastItem} de {total} · Página {page} de {totalPages}
+      </div>
+      <div className="grid grid-cols-2 gap-2">
+        <Button
+          variant="outline"
+          size="sm"
+          disabled={page <= 1}
+          onClick={() => onPageChange(page - 1)}
+        >
+          Anterior
+        </Button>
+        <Button
+          variant="outline"
+          size="sm"
+          disabled={page >= totalPages}
+          onClick={() => onPageChange(page + 1)}
+        >
+          Siguiente
+        </Button>
+      </div>
+    </div>
+  ) : null;
 
   return (
     <div className="space-y-4">
-      <div className="overflow-x-auto rounded-lg border">
+      {mobilePagination}
+
+      <div className="space-y-2 sm:hidden">
+        {data.map((expense) => (
+          <div key={expense.id} className="rounded-lg border bg-card p-3 text-sm">
+            <div className="flex items-start justify-between gap-3">
+              <div className="min-w-0">
+                <p className="truncate font-medium">{expense.description}</p>
+                <p className="mt-1 text-xs text-muted-foreground">
+                  Vence {formatExpenseDate(expense.dueDate)}
+                </p>
+              </div>
+              <ExpenseStatusBadge status={expense.status} />
+            </div>
+
+            <div className="mt-3 flex items-end justify-between gap-3">
+              <div className="min-w-0">
+                <p className="text-lg font-semibold tabular-nums">{formatExpenseAmount(expense)}</p>
+                <p className="text-xs text-muted-foreground">
+                  {expense.paymentDate ? `Pagado ${formatExpenseDate(expense.paymentDate)}` : "Sin fecha de pago"}
+                </p>
+              </div>
+
+              {expense.status !== "PAYED" && (
+                <Button
+                  variant="outline"
+                  size="sm"
+                  className="shrink-0"
+                  onClick={() => onPay(expense)}
+                >
+                  <CircleDollarSign className="size-3.5" />
+                  Pagar
+                </Button>
+              )}
+            </div>
+          </div>
+        ))}
+        {data.length === 0 && (
+          <div className="rounded-lg border px-3 py-8 text-center text-sm text-muted-foreground">
+            No hay gastos para mostrar.
+          </div>
+        )}
+      </div>
+
+      <div className="hidden overflow-x-auto rounded-lg border sm:block">
         <table className="w-full text-sm">
           <thead>
             {table.getHeaderGroups().map((headerGroup) => (
@@ -181,8 +258,10 @@ export function ExpensesTable({ data, onPay, page, total, pageSize, onPageChange
         </table>
       </div>
 
+      {mobilePagination}
+
       {totalPages > 1 && (
-        <Pagination>
+        <Pagination className="hidden sm:flex">
           <PaginationContent>
             <PaginationItem>
               <PaginationLink

apps/frontend/src/features/expenses/components/PayExpenseDialog.tsx

@@ -1,4 +1,4 @@
-import { useEffect } from "react";
+import { useEffect, useRef } from "react";
 import { useForm, Controller } from "react-hook-form";
 import { z } from "zod";
 import { zodResolver } from "@hookform/resolvers/zod";
@@ -29,6 +29,7 @@ interface PayExpenseDialogProps {
 
 export function PayExpenseDialog({ expense, open, onOpenChange }: PayExpenseDialogProps) {
   const { payExpense } = useExpensesContext();
+  const amountInputRef = useRef<HTMLInputElement | null>(null);
 
   const {
     register,
@@ -43,6 +44,9 @@ export function PayExpenseDialog({ expense, open, onOpenChange }: PayExpenseDial
       paymentDate: undefined,
     },
   });
+  const { ref: amountPayedRef, ...amountPayedField } = register("amountPayed", {
+    setValueAs: (value) => Number(value),
+  });
 
   useEffect(() => {
     if (expense) {
@@ -53,6 +57,17 @@ export function PayExpenseDialog({ expense, open, onOpenChange }: PayExpenseDial
     }
   }, [expense, reset]);
 
+  useEffect(() => {
+    if (!open || !expense) return;
+
+    const frame = requestAnimationFrame(() => {
+      amountInputRef.current?.focus();
+      amountInputRef.current?.select();
+    });
+
+    return () => cancelAnimationFrame(frame);
+  }, [open, expense]);
+
   function handleClose(open: boolean) {
     onOpenChange(open);
     if (!open) reset();
@@ -90,10 +105,14 @@ export function PayExpenseDialog({ expense, open, onOpenChange }: PayExpenseDial
             </label>
             <input
               id="amountPayed"
-              type="number"
+              type="text"
-              step="0.01"
+              inputMode="numeric"
-              min="0"
+              pattern="[0-9]*"
-              {...register("amountPayed", { valueAsNumber: true })}
+              {...amountPayedField}
+              ref={(node) => {
+                amountPayedRef(node);
+                amountInputRef.current = node;
+              }}
               className="h-8 rounded-lg border border-input bg-background px-2.5 text-sm outline-none focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50"
             />
             {errors.amountPayed && (

apps/frontend/src/features/expenses/components/PeriodicExpensesTabContent.tsx

@@ -92,18 +92,18 @@ export function PeriodicExpensesTabContent() {
 
   return (
     <div className="space-y-4">
-      <div className="flex items-center justify-between">
+      <div className="space-y-3 sm:flex sm:items-center sm:justify-between sm:space-y-0">
         <p className="text-sm text-muted-foreground">
           Administrá tus gastos recurrentes.
         </p>
-        <div className="flex gap-2">
+        <div className="grid grid-cols-2 gap-2 sm:flex">
-          <Button onClick={() => setImportDialogOpen(true)} variant="outline" size="sm">
+          <Button onClick={() => setImportDialogOpen(true)} variant="outline" size="sm" className="min-w-0">
             <Upload className="size-4" />
-            Importar
+            <span className="truncate">Importar</span>
           </Button>
-          <Button onClick={openCreate} size="sm">
+          <Button onClick={openCreate} size="sm" className="min-w-0">
             <Plus className="size-4" />
-            Nuevo
+            <span className="truncate">Nuevo</span>
           </Button>
         </div>
       </div>

apps/frontend/src/features/expenses/components/PeriodicExpensesTable.tsx

@@ -114,7 +114,57 @@ export function PeriodicExpensesTable({ data, onEdit, onDelete }: PeriodicExpens
   });
 
   return (
-    <div className="overflow-x-auto rounded-lg border">
+    <>
+      <div className="space-y-2 sm:hidden">
+        {data.map((item) => (
+          <div key={item.id} className="rounded-lg border bg-card p-3 text-sm">
+            <div className="flex items-start justify-between gap-3">
+              <div className="min-w-0">
+                <p className="truncate font-medium">{item.description}</p>
+                <p className="mt-1 text-lg font-semibold tabular-nums">
+                  ${Number(item.defaultAmount).toLocaleString("es-AR", { minimumFractionDigits: 2 })}
+                </p>
+              </div>
+              <div className="flex shrink-0 gap-1">
+                <Button
+                  variant="ghost"
+                  size="icon"
+                  aria-label={`Editar ${item.description}`}
+                  onClick={() => onEdit(item)}
+                >
+                  <Pencil className="size-3.5" />
+                </Button>
+                <Button
+                  variant="ghost"
+                  size="icon"
+                  aria-label={`Eliminar ${item.description}`}
+                  onClick={() => onDelete(item.id)}
+                >
+                  <Trash2 className="size-3.5" />
+                </Button>
+              </div>
+            </div>
+
+            <div className="mt-3 grid grid-cols-2 gap-2 text-xs text-muted-foreground">
+              <div className="rounded-md bg-muted/40 px-2 py-1.5">
+                <span className="block">Vence</span>
+                <span className="font-medium text-foreground">Día {item.defaultDueDay}</span>
+              </div>
+              <div className="min-w-0 rounded-md bg-muted/40 px-2 py-1.5">
+                <span className="block">Meses</span>
+                <span className="block truncate font-medium text-foreground">{formatPeriods(item.periods)}</span>
+              </div>
+            </div>
+          </div>
+        ))}
+        {data.length === 0 && (
+          <div className="rounded-lg border px-3 py-8 text-center text-sm text-muted-foreground">
+            No hay gastos periódicos todavía.
+          </div>
+        )}
+      </div>
+
+      <div className="hidden overflow-x-auto rounded-lg border sm:block">
         <table className="w-full text-sm">
           <thead>
             {table.getHeaderGroups().map((headerGroup) => (
@@ -150,5 +200,6 @@ export function PeriodicExpensesTable({ data, onEdit, onDelete }: PeriodicExpens
           </tbody>
         </table>
       </div>
+    </>
   );
 }

apps/frontend/src/lib/queries.ts

@@ -1,4 +1,4 @@
-import { useQuery, useMutation, useQueryClient } from "@tanstack/react-query";
+import { keepPreviousData, useQuery, useMutation, useQueryClient } from "@tanstack/react-query";
 import {
   getQuotes, fetchQuotes, getQuoteHistory, getDailyMinMax, getDailyQuotes,
   getPeriodicExpenses, createPeriodicExpense as createPeriodicExpenseApi,
@@ -135,6 +135,7 @@ export function useGenerateMonthlyExpense() {
 export function useExpenses(status: string, page: number = 1, pageSize: number = 10, periodicExpenseId?: number, search?: string) {
   return useQuery({
     queryKey: expenseKeys.byFilters(status, page, pageSize, periodicExpenseId, search),
+    placeholderData: keepPreviousData,
     queryFn: () => getExpenses(
       status === "all" ? undefined : status,
       page,