diff --git a/app.py b/app.py
index c7c7da8..73a2677 100644
--- a/app.py
+++ b/app.py
@@ -4115,33 +4115,28 @@ def admin_settings():
     categories = Category.query.order_by(Category.name.asc()).all()
 
     if request.method == "POST":
-        # OCR
         ocr_raw = (request.form.get("ocr_keywords") or "").strip()
         set_setting("ocr_keywords", ocr_raw)
 
-        # OCR sensitivity
         ocr_sens = (request.form.get("ocr_sensitivity") or "").strip()
         set_setting("ocr_sensitivity", ocr_sens)
 
-        # Bezpieczeństwo – limit błędnych prób (system_auth)
         max_attempts = (request.form.get("max_login_attempts") or "").strip()
         set_setting("max_login_attempts", max_attempts)
 
-        # (opcjonalnie) okno blokady
         login_window = (request.form.get("login_window_seconds") or "").strip()
-        if login_window:  # pole możesz ukryć w UI – zostawiam jako opcję
+        if login_window:
             set_setting("login_window_seconds", login_window)
 
-        # Kolory kategorii
         for c in categories:
             field = f"color_{c.id}"
-            val = (request.form.get(field) or "").strip()
+            vals = request.form.getlist(field) 
+            val = (vals[-1] if vals else "").strip()
+
             existing = CategoryColorOverride.query.filter_by(category_id=c.id).first()
             if val and re.fullmatch(r"^#[0-9A-Fa-f]{6}$", val):
                 if not existing:
-                    db.session.add(
-                        CategoryColorOverride(category_id=c.id, color_hex=val)
-                    )
+                    db.session.add(CategoryColorOverride(category_id=c.id, color_hex=val))
                 else:
                     existing.color_hex = val
             else:
@@ -4152,7 +4147,6 @@ def admin_settings():
         flash("Zapisano ustawienia.", "success")
         return redirect(url_for("admin_settings"))
 
-    # --- GET ---
     override_rows = CategoryColorOverride.query.filter(
         CategoryColorOverride.category_id.in_([c.id for c in categories])
     ).all()
@@ -4164,7 +4158,6 @@ def admin_settings():
 
     current_ocr = get_setting("ocr_keywords", "")
 
-    # nowe pola do szablonu
     ocr_sensitivity = get_int_setting("ocr_sensitivity", 5)
     max_login_attempts = get_int_setting("max_login_attempts", 10)
     login_window_seconds = get_int_setting("login_window_seconds", 3600)
diff --git a/static/js/admin_settings.js b/static/js/admin_settings.js
index e39b93c..52fa452 100644
--- a/static/js/admin_settings.js
+++ b/static/js/admin_settings.js
@@ -31,10 +31,16 @@
     if (barEff) barEff.style.backgroundColor = effHex;
     if (hexEffEl) hexEffEl.textContent = effHex;
 
-    if (!raw) ensureHiddenClear(input); else removeHiddenClear(input);
+    if (!raw) {
+      ensureHiddenClear(input);
+      input.disabled = true;
+    } else {
+      removeHiddenClear(input);
+      input.disabled = false;
+    }
   }
 
-  form.querySelectorAll(".reset-one").forEach(btn => {
+  form.querySelectorAll(".use-default").forEach(btn => {
     btn.addEventListener("click", () => {
       const name = btn.getAttribute("data-target");
       const input = form.querySelector(`input[name="${name}"]`);
@@ -43,6 +49,7 @@
       updatePreview(input);
     });
   });
+
   resetAllBtn?.addEventListener("click", () => {
     form.querySelectorAll('input[type="color"].category-color').forEach(input => {
       input.value = "";
diff --git a/templates/admin/settings.html b/templates/admin/settings.html
index cdcf9d0..393c279 100644
--- a/templates/admin/settings.html
+++ b/templates/admin/settings.html
@@ -78,6 +78,11 @@
             <button type="button" class="btn btn-outline-light btn-sm reset-one" data-target="color_{{ c.id }}">
               🔄 Reset
             </button>
+            <button type="button"
+                    class="btn btn-outline-light btn-sm use-default ms-2"
+                    data-target="color_{{ c.id }}">
+            🎯 Przywróć domyślny
+            </button>
           </div>
 
           <div class="color-indicators mt-2">