diff --git a/components/kalkulator/KalkulatorClient.tsx b/components/kalkulator/KalkulatorClient.tsx
index 792dd12..89afa87 100644
--- a/components/kalkulator/KalkulatorClient.tsx
+++ b/components/kalkulator/KalkulatorClient.tsx
@@ -395,22 +395,11 @@ export function KalkulatorClient({ products }: Props) {
                         <span className="text-xs text-text-muted">Powierzchnia</span>
                         <span className="text-xs font-bold text-primary bg-accent/10 px-2 py-0.5 rounded-md">{p.m2} m²</span>
                       </div>
-                      <div className="relative h-5 flex items-center">
-                        <div className="absolute w-full h-1.5 bg-slate-200 rounded-full" />
-                        <div
-                          className="absolute h-1.5 bg-accent rounded-full"
-                          style={{ width: `${((p.m2 - 5) / 95) * 100}%` }}
-                        />
-                        <input
+                      <input
                           type="range" min={5} max={100} step={5} value={p.m2}
                           onChange={e => updateRoom(i, Number(e.target.value))}
-                          className="absolute w-full h-1.5 opacity-0 cursor-pointer z-10"
+                          className="range range-xs range-accent w-full"
                         />
-                        <div
-                          className="absolute size-4 bg-white border-2 border-accent rounded-full shadow-md pointer-events-none"
-                          style={{ left: `calc(${((p.m2 - 5) / 95) * 100}% - 8px)` }}
-                        />
-                      </div>
                       <div className="flex justify-between text-xs text-text-muted">
                         <span>5 m²</span>
                         <span>100 m²</span>
@@ -712,22 +701,11 @@ export function KalkulatorClient({ products }: Props) {
                   <span className="text-xs text-text-muted">Budżet</span>
                   <span className="text-xs font-bold text-primary bg-accent/10 px-2 py-0.5 rounded-md">{budget.toLocaleString('pl-PL')} zł</span>
                 </div>
-                <div className="relative h-5 flex items-center">
-                  <div className="absolute w-full h-1.5 bg-slate-200 rounded-full" />
-                  <div
-                    className="absolute h-1.5 bg-accent rounded-full"
-                    style={{ width: `${((budget - 3000) / 22000) * 100}%` }}
-                  />
-                  <input
+                <input
                     type="range" min={3000} max={25000} step={500} value={budget}
                     onChange={e => setBudget(Number(e.target.value))}
-                    className="absolute w-full h-1.5 opacity-0 cursor-pointer z-10"
+                    className="range range-xs range-accent w-full"
                   />
-                  <div
-                    className="absolute size-4 bg-white border-2 border-accent rounded-full shadow-md pointer-events-none"
-                    style={{ left: `calc(${((budget - 3000) / 22000) * 100}% - 8px)` }}
-                  />
-                </div>
                 <div className="flex justify-between text-xs text-text-muted">
                   <span>3 000 zł</span>
                   <span>25 000 zł</span>
diff --git a/components/shop/ProductPageClient.tsx b/components/shop/ProductPageClient.tsx
index 914eaed..f20d5e3 100644
--- a/components/shop/ProductPageClient.tsx
+++ b/components/shop/ProductPageClient.tsx
@@ -54,7 +54,7 @@ function parseMoc(val: string): number {
   return floats[Math.floor(floats.length / 2)];
 }
 
-const TABS = ['Opis', 'Specyfikacja', 'Montaż'] as const;
+const TABS = ['Opis', 'Specyfikacja', 'Montaż', 'Opinie'] as const;
 type Tab = typeof TABS[number];
 
 function seededViews(slug: string): number {
@@ -378,7 +378,7 @@ export function ProductPageClient({ product, seriesProducts, companyPhone, compa
                     max={24}
                     value={godziny}
                     onChange={e => setGodziny(Number(e.target.value))}
-                    className="flex-1 accent-accent"
+                    className="range range-xs range-accent flex-1"
                   />
                   <span className="text-sm font-bold text-primary w-8 text-right">{godziny}h</span>
                 </div>
@@ -408,7 +408,7 @@ export function ProductPageClient({ product, seriesProducts, companyPhone, compa
 
         {/* TABS */}
         <div className="mt-10">
-          <div className="flex gap-1 border-b border-border mb-6 overflow-x-auto">
+          <div className="flex gap-1 border-b border-border mb-6 overflow-x-auto [&::-webkit-scrollbar]:hidden [-ms-overflow-style:none] [scrollbar-width:none]">
             {TABS.map(tab => (
               <button
                 key={tab}
@@ -481,12 +481,47 @@ export function ProductPageClient({ product, seriesProducts, companyPhone, compa
             </div>
           )}
 
+          {/* Tab: Opinie */}
+          {activeTab === 'Opinie' && (
+            <div className="max-w-3xl space-y-8">
+              <div className="bg-slate-50 p-6 rounded-2xl border border-border">
+                <h3 className="font-bold text-primary font-heading mb-4">Dodaj opinię</h3>
+                <form className="space-y-4" onSubmit={(e) => { e.preventDefault(); alert('Opinia została wysłana i oczekuje na moderację.'); e.currentTarget.reset(); }}>
+                  <div className="flex gap-1 mb-2">
+                    {[1,2,3,4,5].map(star => (
+                      <Star key={star} className="size-6 text-amber-400 cursor-pointer fill-amber-400 hover:scale-110 transition-transform" />
+                    ))}
+                  </div>
+                  <div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
+                    <div className="space-y-1.5">
+                      <label className="text-sm font-semibold text-primary">Imię</label>
+                      <input type="text" required className="w-full px-4 py-2.5 rounded-xl border border-border bg-white text-sm focus:outline-none focus:ring-2 focus:ring-accent/50" placeholder="Twoje imię" />
+                    </div>
+                    <div className="space-y-1.5">
+                      <label className="text-sm font-semibold text-primary">Email</label>
+                      <input type="email" required className="w-full px-4 py-2.5 rounded-xl border border-border bg-white text-sm focus:outline-none focus:ring-2 focus:ring-accent/50" placeholder="twój@email.pl" />
+                    </div>
+                  </div>
+                  <div className="space-y-1.5">
+                    <label className="text-sm font-semibold text-primary">Treść opinii</label>
+                    <textarea required rows={4} className="w-full px-4 py-2.5 rounded-xl border border-border bg-white text-sm focus:outline-none focus:ring-2 focus:ring-accent/50" placeholder="Podziel się swoimi wrażeniami..."></textarea>
+                  </div>
+                  <button type="submit" className="btn btn-primary font-bold text-white w-full sm:w-auto">Wyślij opinię</button>
+                </form>
+              </div>
+              <div className="space-y-4">
+                <h3 className="font-bold text-primary font-heading">Opinie klientów (0)</h3>
+                <p className="text-sm text-text-muted">Bądź pierwszą osobą, która oceni ten produkt!</p>
+              </div>
+            </div>
+          )}
+
 
         </div>
       </div>
 
       {showViewsBanner && (
-        <div className="fixed bottom-6 left-6 z-50 flex items-center gap-3 bg-white border border-amber-200 shadow-lg rounded-xl px-4 py-3 max-w-xs animate-in slide-in-from-left-4 duration-300">
+        <div className="fixed bottom-24 left-6 z-50 flex items-center gap-3 bg-white border border-amber-200 shadow-lg rounded-xl px-4 py-3 max-w-xs animate-in slide-in-from-left-4 duration-300">
           <Eye className="size-4 text-amber-500 shrink-0" />
           <p className="text-sm text-gray-800">
             W ostatnich 30 dniach interesuje się tym produktem <span className="font-bold">{viewsCount}</span> osób.
diff --git a/components/shop/ProductsGrid.tsx b/components/shop/ProductsGrid.tsx
index 76558ba..7ff6f73 100644
--- a/components/shop/ProductsGrid.tsx
+++ b/components/shop/ProductsGrid.tsx
@@ -348,24 +348,13 @@ export function ProductsGrid({ products, brands }: ProductsGridProps) {
               <span className="text-xs text-text-muted">od</span>
               <span className="text-xs font-bold text-primary bg-accent/10 px-2 py-0.5 rounded-md">{halasMin} dB</span>
             </div>
-            <div className="relative h-5 flex items-center">
-              <div className="absolute w-full h-1.5 bg-slate-200 rounded-full" />
-              <div
-                className="absolute h-1.5 bg-accent rounded-full"
-                style={{ left: `${((halasMin - 15) / 35) * 100}%`, right: `${100 - ((halasMax - 15) / 35) * 100}%` }}
-              />
-              <input
+            <input
                 type="range"
                 min={15} max={50}
                 value={halasMin}
                 onChange={e => { setHalasMin(Math.min(Number(e.target.value), halasMax - 1)); setPage(1); }}
-                className="absolute w-full h-1.5 opacity-0 cursor-pointer z-10"
+                className="range range-xs range-accent w-full"
               />
-              <div
-                className="absolute size-4 bg-white border-2 border-accent rounded-full shadow-md pointer-events-none"
-                style={{ left: `calc(${((halasMin - 15) / 35) * 100}% - 8px)` }}
-              />
-            </div>
           </div>
           {/* do */}
           <div className="flex flex-col gap-1.5">
@@ -373,24 +362,13 @@ export function ProductsGrid({ products, brands }: ProductsGridProps) {
               <span className="text-xs text-text-muted">do</span>
               <span className="text-xs font-bold text-primary bg-accent/10 px-2 py-0.5 rounded-md">{halasMax} dB</span>
             </div>
-            <div className="relative h-5 flex items-center">
-              <div className="absolute w-full h-1.5 bg-slate-200 rounded-full" />
-              <div
-                className="absolute h-1.5 bg-accent rounded-full"
-                style={{ left: `${((halasMin - 15) / 35) * 100}%`, right: `${100 - ((halasMax - 15) / 35) * 100}%` }}
-              />
-              <input
+            <input
                 type="range"
                 min={15} max={50}
                 value={halasMax}
                 onChange={e => { setHalasMax(Math.max(Number(e.target.value), halasMin + 1)); setPage(1); }}
-                className="absolute w-full h-1.5 opacity-0 cursor-pointer z-10"
+                className="range range-xs range-accent w-full"
               />
-              <div
-                className="absolute size-4 bg-white border-2 border-accent rounded-full shadow-md pointer-events-none"
-                style={{ left: `calc(${((halasMax - 15) / 35) * 100}% - 8px)` }}
-              />
-            </div>
           </div>
         </div>
       </Accordion>