diff --git a/src/components/admin/admin-cards-section.tsx b/src/components/admin/admin-cards-section.tsx
index 3e1ae35..bc4c6e6 100644
--- a/src/components/admin/admin-cards-section.tsx
+++ b/src/components/admin/admin-cards-section.tsx
@@ -22,7 +22,6 @@ import { CardBadges } from "@/components/card-badges";
 import { ColumnFilterCombobox } from "@/components/column-filter-combobox";
 import { PaginationControls } from "@/components/data-table/pagination-controls";
 import { Button } from "@/components/ui/button";
-import { Input } from "@/components/ui/input";
 import {
   Table,
   TableBody,
@@ -39,7 +38,8 @@ import {
   DialogFooter,
 } from "@/components/ui/dialog";
 import { AdminFeedback } from "@/components/admin/admin-feedback";
-import { Plus, Pencil, Trash2, Search } from "lucide-react";
+import { Plus, Pencil, Trash2 } from "lucide-react";
+import { CollectionSearchInput } from "@/components/collection-search-input";
 import { useTranslations } from "@/i18n/client";
 import { useCollectionUrlFilters } from "@/hooks/use-collection-url-filters";
 import { useCardBadgeLabels } from "@/hooks/use-card-badge-labels";
@@ -242,18 +242,14 @@ export function AdminCardsSection({
         onSuccessDismiss={() => setSuccess(null)}
       />
 
-      <div className="relative">
-        <Search className="absolute left-3 top-1/2 -translate-y-1/2 h-4 w-4 text-muted-foreground" />
-        <Input
-          placeholder={t("admin.cards.search")}
-          value={filters.search}
-          onChange={(e) =>
-            updateFilters({ search: e.target.value, page: 1 })
-          }
-          className="pl-9"
-          aria-label={t("admin.cards.search")}
-        />
-      </div>
+      <CollectionSearchInput
+        urlValue={filters.search}
+        onSearch={(value) =>
+          applyAdminFilters({ search: value }, { immediate: true })
+        }
+        label={t("admin.cards.search")}
+        placeholder={t("admin.cards.search")}
+      />
 
       <div className="grid gap-2 md:hidden">
         <ColumnFilterCombobox
diff --git a/src/components/card-table.tsx b/src/components/card-table.tsx
index e771776..2669144 100644
--- a/src/components/card-table.tsx
+++ b/src/components/card-table.tsx
@@ -1,6 +1,6 @@
 "use client";
 
-import { useState, useMemo, useEffect, useId, useRef } from "react";
+import { useState, useMemo, useEffect, useId } from "react";
 import Link from "next/link";
 import { usePathname, useRouter } from "next/navigation";
 import {
@@ -25,7 +25,7 @@ import { SortableTableHead } from "@/components/data-table/sortable-table-head";
 import { PaginationControls } from "@/components/data-table/pagination-controls";
 import { ColumnFilterCombobox } from "@/components/column-filter-combobox";
 import { FilterChipButton } from "@/components/filter-chip-button";
-import { SearchField } from "@/components/search-field";
+import { CollectionSearchInput } from "@/components/collection-search-input";
 import { useCardBadgeLabels } from "@/hooks/use-card-badge-labels";
 import { useCollectionUrlFilters } from "@/hooks/use-collection-url-filters";
 import {
@@ -37,61 +37,6 @@ import {
 } from "@/components/ui/table";
 import { useTranslations } from "@/i18n/client";
 
-/**
- * Isolated search input — its own useState + debounce so that
- * every keystroke only re-renders THIS tiny component, not the
- * entire CardTable (heavy: TanStack table, comboboxes, etc.).
- *
- * External URL changes (e.g. "reset filters" link) are detected via
- * the getDerivedStateFromProps pattern (calling setState during render),
- * which is React's official approach for syncing state from props without
- * using effects. The `sentValue` state prevents re-syncing our own URL updates.
- */
-function SearchInput({
-  urlValue,
-  onSearch,
-  label,
-  placeholder,
-}: {
-  urlValue: string;
-  onSearch: (value: string) => void;
-  label: string;
-  placeholder: string;
-}) {
-  const [inputValue, setInputValue] = useState(urlValue);
-  const [prevUrlValue, setPrevUrlValue] = useState(urlValue);
-  // Tracks the value we last sent via onSearch — distinguishes our own
-  // URL updates from external navigation/resets.
-  const [sentValue, setSentValue] = useState(urlValue);
-  const debounceRef = useRef<ReturnType<typeof setTimeout> | null>(null);
-
-  // getDerivedStateFromProps: sync input when URL changes externally.
-  if (prevUrlValue !== urlValue) {
-    setPrevUrlValue(urlValue);
-    if (sentValue !== urlValue) {
-      setInputValue(urlValue);
-    }
-  }
-
-  function handleChange(newValue: string) {
-    setInputValue(newValue);
-    if (debounceRef.current) clearTimeout(debounceRef.current);
-    debounceRef.current = setTimeout(() => {
-      setSentValue(newValue);
-      onSearch(newValue);
-    }, 300);
-  }
-
-  return (
-    <SearchField
-      value={inputValue}
-      onChange={handleChange}
-      label={label}
-      placeholder={placeholder}
-    />
-  );
-}
-
 const SORT_COLUMN_KEYS = [
   "player",
   "team",
@@ -308,7 +253,7 @@ export function CardTable({
   return (
     <div className="space-y-4">
       <div className="flex flex-col gap-4">
-        <SearchInput
+        <CollectionSearchInput
           urlValue={urlFilters.search}
           onSearch={(value) =>
             updateFilters({ search: value }, { immediate: true })
diff --git a/src/components/collection-search-input.tsx b/src/components/collection-search-input.tsx
new file mode 100644
index 0000000..01100f5
--- /dev/null
+++ b/src/components/collection-search-input.tsx
@@ -0,0 +1,53 @@
+"use client";
+
+import { useRef, useState } from "react";
+import { SearchField } from "@/components/search-field";
+
+/**
+ * Champ de recherche collection/admin : état local + debounce 300 ms,
+ * puis sync URL via le callback parent (`immediate: true` recommandé).
+ */
+export function CollectionSearchInput({
+  urlValue,
+  onSearch,
+  label,
+  placeholder,
+  className,
+}: {
+  urlValue: string;
+  onSearch: (value: string) => void;
+  label: string;
+  placeholder: string;
+  className?: string;
+}) {
+  const [inputValue, setInputValue] = useState(urlValue);
+  const [prevUrlValue, setPrevUrlValue] = useState(urlValue);
+  const [sentValue, setSentValue] = useState(urlValue);
+  const debounceRef = useRef<ReturnType<typeof setTimeout> | null>(null);
+
+  if (prevUrlValue !== urlValue) {
+    setPrevUrlValue(urlValue);
+    if (sentValue !== urlValue) {
+      setInputValue(urlValue);
+    }
+  }
+
+  function handleChange(newValue: string) {
+    setInputValue(newValue);
+    if (debounceRef.current) clearTimeout(debounceRef.current);
+    debounceRef.current = setTimeout(() => {
+      setSentValue(newValue);
+      onSearch(newValue);
+    }, 300);
+  }
+
+  return (
+    <SearchField
+      value={inputValue}
+      onChange={handleChange}
+      label={label}
+      placeholder={placeholder}
+      className={className}
+    />
+  );
+}