refactor(frontend): Simplify filter bar UI and remove advanced filters popover.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

frontend/src/components/TransactionsTable.tsx

@@ -40,8 +40,6 @@ export default function TransactionsTable() {
     selectedAccount: "",
     startDate: "",
     endDate: "",
-    minAmount: "",
-    maxAmount: "",
   });
 
   const [showRawModal, setShowRawModal] = useState(false);
@@ -73,8 +71,6 @@ export default function TransactionsTable() {
       selectedAccount: "",
       startDate: "",
       endDate: "",
-      minAmount: "",
-      maxAmount: "",
     });
     setColumnFilters([]);
     setCurrentPage(1);
@@ -116,8 +112,6 @@ export default function TransactionsTable() {
       currentPage,
       perPage,
       debouncedSearchTerm,
-      filterState.minAmount,
-      filterState.maxAmount,
     ],
     queryFn: () =>
       apiClient.getTransactions({
@@ -128,12 +122,6 @@ export default function TransactionsTable() {
         perPage: perPage,
         search: debouncedSearchTerm || undefined,
         summaryOnly: false,
-        minAmount: filterState.minAmount
-          ? parseFloat(filterState.minAmount)
-          : undefined,
-        maxAmount: filterState.maxAmount
-          ? parseFloat(filterState.maxAmount)
-          : undefined,
       }),
   });
 
@@ -157,8 +145,6 @@ export default function TransactionsTable() {
     filterState.selectedAccount,
     filterState.startDate,
     filterState.endDate,
-    filterState.minAmount,
-    filterState.maxAmount,
   ]);
 
   const handleViewRaw = (transaction: Transaction) => {
@@ -175,9 +161,7 @@ export default function TransactionsTable() {
     filterState.searchTerm ||
     filterState.selectedAccount ||
     filterState.startDate ||
-    filterState.endDate ||
-    filterState.minAmount ||
-    filterState.maxAmount;
+    filterState.endDate;
 
 
   // Define columns

frontend/src/components/filters/AccountCombobox.tsx

@@ -51,7 +51,7 @@ export function AccountCombobox({
             variant="outline"
             role="combobox"
             aria-expanded={open}
-            className="justify-between"
+            className="w-full justify-between"
           >
             <div className="flex items-center">
               <Building2 className="mr-2 h-4 w-4" />

frontend/src/components/filters/ActiveFilterChips.tsx

@@ -70,30 +70,6 @@ export function ActiveFilterChips({
     });
   }
 
-  // Amount range chips
-  if (filterState.minAmount || filterState.maxAmount) {
-    let amountLabel = "Amount: ";
-    const minAmount = filterState.minAmount
-      ? parseFloat(filterState.minAmount)
-      : null;
-    const maxAmount = filterState.maxAmount
-      ? parseFloat(filterState.maxAmount)
-      : null;
-
-    if (minAmount && maxAmount) {
-      amountLabel += `€${minAmount} - €${maxAmount}`;
-    } else if (minAmount) {
-      amountLabel += `≥ €${minAmount}`;
-    } else if (maxAmount) {
-      amountLabel += `≤ €${maxAmount}`;
-    }
-
-    chips.push({
-      key: "minAmount", // We'll clear both min and max when removing this chip
-      label: amountLabel,
-      value: `${filterState.minAmount}-${filterState.maxAmount}`,
-    });
-  }
 
   const handleRemoveChip = (key: keyof FilterState) => {
     switch (key) {
@@ -102,11 +78,6 @@ export function ActiveFilterChips({
         onFilterChange("startDate", "");
         onFilterChange("endDate", "");
         break;
-      case "minAmount":
-        // Clear both min and max amount
-        onFilterChange("minAmount", "");
-        onFilterChange("maxAmount", "");
-        break;
       default:
         onFilterChange(key, "");
     }

frontend/src/components/filters/AdvancedFiltersPopover.tsx

@@ -1,127 +0,0 @@
-import { useState } from "react";
-import { MoreHorizontal, Euro } from "lucide-react";
-import { Button } from "@/components/ui/button";
-import { Input } from "@/components/ui/input";
-import {
-  Popover,
-  PopoverContent,
-  PopoverTrigger,
-} from "@/components/ui/popover";
-
-export interface AdvancedFiltersPopoverProps {
-  minAmount: string;
-  maxAmount: string;
-  onMinAmountChange: (value: string) => void;
-  onMaxAmountChange: (value: string) => void;
-}
-
-export function AdvancedFiltersPopover({
-  minAmount,
-  maxAmount,
-  onMinAmountChange,
-  onMaxAmountChange,
-}: AdvancedFiltersPopoverProps) {
-  const [open, setOpen] = useState(false);
-
-  const hasAdvancedFilters = minAmount || maxAmount;
-
-  return (
-    <Popover open={open} onOpenChange={setOpen}>
-      <PopoverTrigger asChild>
-        <Button
-          variant={hasAdvancedFilters ? "default" : "outline"}
-          size="default"
-          className="relative"
-        >
-          <MoreHorizontal className="h-4 w-4 mr-2" />
-          More
-          {hasAdvancedFilters && (
-            <div className="absolute -top-1 -right-1 h-2 w-2 bg-blue-600 rounded-full" />
-          )}
-        </Button>
-      </PopoverTrigger>
-      <PopoverContent className="w-80" align="end">
-        <div className="space-y-4">
-          <div className="space-y-2">
-            <h4 className="font-medium leading-none">Advanced Filters</h4>
-            <p className="text-sm text-muted-foreground">
-              Additional filters for more precise results
-            </p>
-          </div>
-
-          <div className="space-y-4">
-            <div className="space-y-2">
-              <label className="text-sm font-medium leading-none peer-disabled:cursor-not-allowed peer-disabled:opacity-70">
-                Amount Range
-              </label>
-              <div className="grid grid-cols-2 gap-3">
-                <div className="space-y-1">
-                  <label className="text-xs text-muted-foreground">
-                    Minimum
-                  </label>
-                  <div className="relative">
-                    <Euro className="absolute left-2 top-1/2 transform -translate-y-1/2 h-4 w-4 text-gray-400" />
-                    <Input
-                      type="number"
-                      placeholder="0.00"
-                      value={minAmount}
-                      onChange={(e) => onMinAmountChange(e.target.value)}
-                      className="pl-8"
-                      step="0.01"
-                      min="0"
-                    />
-                  </div>
-                </div>
-                <div className="space-y-1">
-                  <label className="text-xs text-muted-foreground">
-                    Maximum
-                  </label>
-                  <div className="relative">
-                    <Euro className="absolute left-2 top-1/2 transform -translate-y-1/2 h-4 w-4 text-gray-400" />
-                    <Input
-                      type="number"
-                      placeholder="1000.00"
-                      value={maxAmount}
-                      onChange={(e) => onMaxAmountChange(e.target.value)}
-                      className="pl-8"
-                      step="0.01"
-                      min="0"
-                    />
-                  </div>
-                </div>
-              </div>
-              <p className="text-xs text-muted-foreground">
-                Leave empty for no limit
-              </p>
-            </div>
-
-            {/* Future: Add transaction status filter */}
-            <div className="pt-2 border-t">
-              <div className="text-xs text-muted-foreground">
-                More filters coming soon: transaction status, categories, and
-                more.
-              </div>
-            </div>
-
-            {/* Clear advanced filters */}
-            {hasAdvancedFilters && (
-              <div className="pt-2">
-                <Button
-                  variant="outline"
-                  size="sm"
-                  onClick={() => {
-                    onMinAmountChange("");
-                    onMaxAmountChange("");
-                  }}
-                  className="w-full"
-                >
-                  Clear Advanced Filters
-                </Button>
-              </div>
-            )}
-          </div>
-        </div>
-      </PopoverContent>
-    </Popover>
-  );
-}

frontend/src/components/filters/FilterBar.tsx

@@ -4,7 +4,6 @@ import { cn } from "@/lib/utils";
 import { DateRangePicker } from "./DateRangePicker";
 import { AccountCombobox } from "./AccountCombobox";
 import { ActiveFilterChips } from "./ActiveFilterChips";
-import { AdvancedFiltersPopover } from "./AdvancedFiltersPopover";
 import type { Account } from "../../types/api";
 
 export interface FilterState {
@@ -12,8 +11,6 @@ export interface FilterState {
   selectedAccount: string;
   startDate: string;
   endDate: string;
-  minAmount: string;
-  maxAmount: string;
 }
 
 export interface FilterBarProps {
@@ -37,9 +34,7 @@ export function FilterBar({
     filterState.searchTerm ||
     filterState.selectedAccount ||
     filterState.startDate ||
-    filterState.endDate ||
-    filterState.minAmount ||
-    filterState.maxAmount;
+    filterState.endDate;
 
   const handleDateRangeChange = (startDate: string, endDate: string) => {
     onFilterChange("startDate", startDate);
@@ -57,48 +52,85 @@ export function FilterBar({
         </div>
 
         {/* Primary Filters Row */}
-        <div className="flex flex-wrap items-center gap-3 mb-4">
-          {/* Search Input */}
-          <div className="relative flex-1 min-w-[240px]">
-            <Search className="absolute left-3 top-1/2 transform -translate-y-1/2 h-4 w-4 text-muted-foreground" />
-            <Input
-              placeholder="Search transactions..."
-              value={filterState.searchTerm}
-              onChange={(e) => onFilterChange("searchTerm", e.target.value)}
-              className="pl-9 pr-8 bg-background"
-            />
-            {isSearchLoading && (
-              <div className="absolute right-3 top-1/2 transform -translate-y-1/2">
-                <div className="animate-spin h-4 w-4 border-2 border-border border-t-primary rounded-full"></div>
+        <div className="space-y-4 mb-4">
+          {/* Desktop Layout */}
+          <div className="hidden lg:flex items-center justify-between gap-6">
+            {/* Left Side: Main Filters */}
+            <div className="flex items-center gap-3 flex-1">
+              {/* Search Input */}
+              <div className="relative w-[200px]">
+                <Search className="absolute left-3 top-1/2 transform -translate-y-1/2 h-4 w-4 text-muted-foreground" />
+                <Input
+                  placeholder="Search transactions..."
+                  value={filterState.searchTerm}
+                  onChange={(e) => onFilterChange("searchTerm", e.target.value)}
+                  className="pl-9 pr-8 bg-background"
+                />
+                {isSearchLoading && (
+                  <div className="absolute right-3 top-1/2 transform -translate-y-1/2">
+                    <div className="animate-spin h-4 w-4 border-2 border-border border-t-primary rounded-full"></div>
+                  </div>
+                )}
               </div>
-            )}
+
+              {/* Account Selection */}
+              <AccountCombobox
+                accounts={accounts}
+                selectedAccount={filterState.selectedAccount}
+                onAccountChange={(accountId) =>
+                  onFilterChange("selectedAccount", accountId)
+                }
+                className="w-[180px]"
+              />
+
+              {/* Date Range Picker */}
+              <DateRangePicker
+                startDate={filterState.startDate}
+                endDate={filterState.endDate}
+                onDateRangeChange={handleDateRangeChange}
+                className="w-[220px]"
+              />
+            </div>
+
           </div>
 
-          {/* Account Selection */}
-          <AccountCombobox
-            accounts={accounts}
-            selectedAccount={filterState.selectedAccount}
-            onAccountChange={(accountId) =>
-              onFilterChange("selectedAccount", accountId)
-            }
-            className="w-[200px]"
-          />
+          {/* Mobile Layout */}
+          <div className="lg:hidden space-y-3">
+            {/* First Row: Search Input (Full Width) */}
+            <div className="relative">
+              <Search className="absolute left-3 top-1/2 transform -translate-y-1/2 h-4 w-4 text-muted-foreground" />
+              <Input
+                placeholder="Search..."
+                value={filterState.searchTerm}
+                onChange={(e) => onFilterChange("searchTerm", e.target.value)}
+                className="pl-9 pr-8 bg-background w-full"
+              />
+              {isSearchLoading && (
+                <div className="absolute right-3 top-1/2 transform -translate-y-1/2">
+                  <div className="animate-spin h-4 w-4 border-2 border-border border-t-primary rounded-full"></div>
+                </div>
+              )}
+            </div>
 
-          {/* Date Range Picker */}
-          <DateRangePicker
-            startDate={filterState.startDate}
-            endDate={filterState.endDate}
-            onDateRangeChange={handleDateRangeChange}
-            className="w-[240px]"
-          />
+            {/* Second Row: Account Selection (Full Width) */}
+            <AccountCombobox
+              accounts={accounts}
+              selectedAccount={filterState.selectedAccount}
+              onAccountChange={(accountId) =>
+                onFilterChange("selectedAccount", accountId)
+              }
+              className="w-full"
+            />
 
-          {/* Advanced Filters Button */}
-          <AdvancedFiltersPopover
-            minAmount={filterState.minAmount}
-            maxAmount={filterState.maxAmount}
-            onMinAmountChange={(value) => onFilterChange("minAmount", value)}
-            onMaxAmountChange={(value) => onFilterChange("maxAmount", value)}
-          />
+            {/* Third Row: Date Range */}
+            <DateRangePicker
+              startDate={filterState.startDate}
+              endDate={filterState.endDate}
+              onDateRangeChange={handleDateRangeChange}
+              className="w-full"
+            />
+
+          </div>
         </div>
 
         {/* Active Filter Chips */}

frontend/src/components/filters/index.ts

@@ -2,5 +2,4 @@ export { FilterBar } from "./FilterBar";
 export { DateRangePicker } from "./DateRangePicker";
 export { AccountCombobox } from "./AccountCombobox";
 export { ActiveFilterChips } from "./ActiveFilterChips";
-export { AdvancedFiltersPopover } from "./AdvancedFiltersPopover";
 export type { FilterState, FilterBarProps } from "./FilterBar";

frontend/src/routes/__root.tsx

@@ -34,9 +34,9 @@ function RootLayout() {
         />
       )}
 
-      <div className="flex flex-col flex-1">
+      <div className="flex flex-col flex-1 min-w-0">
         <Header setSidebarOpen={setSidebarOpen} />
-        <main className="flex-1 p-6">
+        <main className="flex-1 p-6 min-w-0">
           <Outlet />
         </main>
       </div>