diff --git a/src/app/api/mockup/generate/route.ts b/src/app/api/mockup/generate/route.ts
index f3172cd..4f6eaf6 100644
--- a/src/app/api/mockup/generate/route.ts
+++ b/src/app/api/mockup/generate/route.ts
@@ -6,10 +6,17 @@ import { getTemplateImagePath, listTemplates } from '@/lib/mockupTemplates'
 import type { MockupGenerateRequest } from '@/types/mockup'
 
 function buildPrompt(req: MockupGenerateRequest): string {
+  let carrelageContext = 'tiles covering the floor or wall of a modern room'
+  if (req.family === 'Carrelage' && req.placement === 'mur') {
+    carrelageContext = 'wall tiles (faïence) covering the wall of a modern bathroom or kitchen — applied only to the wall, not the floor'
+  } else if (req.family === 'Carrelage' && req.placement === 'sol') {
+    carrelageContext = 'floor tiles covering the floor of a modern room — applied only to the floor, not the walls'
+  }
+
   const familyContext: Record<string, string> = {
     'Menuiserie': 'door installed in a residential entrance or hallway, visible wall and floor context',
     'Baies vitrées': 'bay window or sliding door installed in a living room with garden view',
-    'Carrelage': 'tiles covering the floor or wall of a modern room',
+    'Carrelage': carrelageContext,
   }
   const context = familyContext[req.family] ?? 'product installed in an appropriate room setting'
   const dimClause = req.dimensions
diff --git a/src/app/api/mockup/templates/route.ts b/src/app/api/mockup/templates/route.ts
index fd116ef..17b43f9 100644
--- a/src/app/api/mockup/templates/route.ts
+++ b/src/app/api/mockup/templates/route.ts
@@ -17,6 +17,7 @@ export async function POST(req: NextRequest) {
   const form = await req.formData()
   const name = form.get('name') as string
   const family = form.get('family') as string
+  const placement = (form.get('placement') as string) || undefined
   const description = (form.get('description') as string) ?? ''
   const imageFile = form.get('image') as File
 
@@ -26,6 +27,6 @@ export async function POST(req: NextRequest) {
 
   const buffer = Buffer.from(await imageFile.arrayBuffer())
   const ext = imageFile.name.split('.').pop() ?? 'jpg'
-  const template = await saveTemplate({ name, family, description, filename: '' }, buffer, ext)
+  const template = await saveTemplate({ name, family, placement, description, filename: '' }, buffer, ext)
   return Response.json(template)
 }
diff --git a/src/components/mockup/MockupModal.tsx b/src/components/mockup/MockupModal.tsx
index 9f74d65..0acf950 100644
--- a/src/components/mockup/MockupModal.tsx
+++ b/src/components/mockup/MockupModal.tsx
@@ -35,6 +35,7 @@ export function MockupModal({ product, onClose }: Props) {
 
   const [selectedTemplate, setSelectedTemplate] = useState<string | null>(null)
   const [family, setFamily] = useState('')
+  const [placement, setPlacement] = useState<string>('')
   const [selectedMeta, setSelectedMeta] = useState<string[]>([])
   const [cutoutB64, setCutoutB64] = useState<string | null>(null)
   const [selectedImageUrl, setSelectedImageUrl] = useState<string | null>(null)
@@ -67,9 +68,13 @@ export function MockupModal({ product, onClose }: Props) {
     }).finally(() => setLoadingMeta(false))
   }, [product.shopifyId])
 
-  const filteredTemplates = templates.filter(t =>
-    !family || t.family === family || t.family === 'Tous'
-  )
+  const isCarrelage = family.toLowerCase().includes('carrelage')
+
+  const filteredTemplates = templates.filter(t => {
+    if (t.family !== family && t.family !== 'Tous') return false
+    if (isCarrelage && placement && t.placement && t.placement !== placement) return false
+    return true
+  })
 
   const dimensionStr = selectedMeta.length > 0
     ? selectedMeta.map(key => {
@@ -137,6 +142,7 @@ export function MockupModal({ product, onClose }: Props) {
           productImageBase64: cutoutB64,
           productName: product.title,
           family: family || 'Tous',
+          placement: placement || undefined,
           dimensions: dimensionStr,
           instruction: instruction || undefined,
         }),
@@ -218,14 +224,29 @@ export function MockupModal({ product, onClose }: Props) {
             )}
           </section>
 
-          {/* 2. Famille */}
+          {/* 2. Famille + placement */}
           <section>
             <h3 className="text-xs font-semibold text-gray-300 uppercase tracking-wide mb-2">2. Famille</h3>
             {families.length > 0 ? (
-              <select value={family} onChange={e => setFamily(e.target.value)}
-                className="w-full bg-slate-700 border border-slate-600 rounded px-2 py-1.5 text-sm text-white focus:outline-none focus:ring-1 focus:ring-indigo-500">
-                {families.map(f => <option key={f}>{f}</option>)}
-              </select>
+              <div className="space-y-2">
+                <select value={family} onChange={e => { setFamily(e.target.value); setPlacement('') }}
+                  className="w-full bg-slate-700 border border-slate-600 rounded px-2 py-1.5 text-sm text-white focus:outline-none focus:ring-1 focus:ring-indigo-500">
+                  {families.map(f => <option key={f}>{f}</option>)}
+                </select>
+                {isCarrelage && (
+                  <div>
+                    <p className="text-xs text-gray-400 mb-1.5">Placement</p>
+                    <div className="flex gap-2">
+                      {[{ val: 'sol', label: 'Sol' }, { val: 'mur', label: 'Mur (faïence)' }].map(({ val, label }) => (
+                        <button key={val} type="button" onClick={() => setPlacement(p => p === val ? '' : val)}
+                          className={`px-3 py-1.5 rounded text-xs font-medium transition-colors ${placement === val ? 'bg-indigo-600 text-white' : 'bg-slate-700 text-gray-300 hover:bg-slate-600'}`}>
+                          {label}
+                        </button>
+                      ))}
+                    </div>
+                  </div>
+                )}
+              </div>
             ) : (
               <p className="text-xs text-gray-500">{loadingMeta ? 'Chargement…' : 'Aucune famille disponible'}</p>
             )}
diff --git a/src/components/mockup/TemplateLibrary.tsx b/src/components/mockup/TemplateLibrary.tsx
index d344d2c..57ba824 100644
--- a/src/components/mockup/TemplateLibrary.tsx
+++ b/src/components/mockup/TemplateLibrary.tsx
@@ -2,6 +2,8 @@
 import { useState, useEffect, useRef } from 'react'
 import type { MockupTemplate } from '@/types/mockup'
 
+const CARRELAGE_PLACEMENTS = ['sol', 'mur']
+
 export function TemplateLibrary() {
   const [templates, setTemplates] = useState<MockupTemplate[]>([])
   const [families, setFamilies] = useState<string[]>(['Tous'])
@@ -10,6 +12,7 @@ export function TemplateLibrary() {
   const [error, setError] = useState<string | null>(null)
   const [name, setName] = useState('')
   const [family, setFamily] = useState('Tous')
+  const [placement, setPlacement] = useState<string>('')
   const [description, setDescription] = useState('')
   const fileRef = useRef<HTMLInputElement>(null)
 
@@ -31,10 +34,13 @@ export function TemplateLibrary() {
 
   useEffect(load, [])
 
+  const isCarrelage = family.toLowerCase().includes('carrelage')
+
   const upload = async (e: React.FormEvent) => {
     e.preventDefault()
     const file = fileRef.current?.files?.[0]
     if (!file || !name || !family) return
+    if (isCarrelage && !placement) return
     setUploading(true)
     setError(null)
     try {
@@ -42,10 +48,11 @@ export function TemplateLibrary() {
       form.append('name', name)
       form.append('family', family)
       form.append('description', description)
+      if (isCarrelage && placement) form.append('placement', placement)
       form.append('image', file)
       const res = await fetch('/api/mockup/templates', { method: 'POST', body: form })
       if (!res.ok) throw new Error((await res.json()).error)
-      setName(''); setDescription('')
+      setName(''); setDescription(''); setPlacement('')
       if (fileRef.current) fileRef.current.value = ''
       load()
     } catch (e) {
@@ -63,6 +70,16 @@ export function TemplateLibrary() {
   const allUsedFamilies = Array.from(new Set(templates.map(t => t.family)))
   const displayFamilies = families.filter(f => allUsedFamilies.includes(f) || f === 'Tous')
 
+  const groupedTemplates = (familyName: string) => {
+    const byFamily = templates.filter(t => t.family === familyName)
+    const isCarr = familyName.toLowerCase().includes('carrelage')
+    if (!isCarr) return [{ label: null, items: byFamily }]
+    return CARRELAGE_PLACEMENTS.map(p => ({
+      label: p === 'mur' ? 'Mur (faïence)' : 'Sol',
+      items: byFamily.filter(t => t.placement === p),
+    })).filter(g => g.items.length > 0)
+  }
+
   return (
     <div className="space-y-6">
       {/* Upload form */}
@@ -73,21 +90,36 @@ export function TemplateLibrary() {
             <div>
               <label className="block text-xs text-gray-400 mb-1">Nom</label>
               <input value={name} onChange={e => setName(e.target.value)}
-                placeholder="ex: Entrée moderne"
+                placeholder="ex: Salle de bain moderne"
                 className="w-full bg-slate-700 border border-slate-600 rounded px-2 py-1.5 text-sm text-white focus:outline-none focus:ring-1 focus:ring-indigo-500" />
             </div>
             <div>
               <label className="block text-xs text-gray-400 mb-1">Famille</label>
-              <select value={family} onChange={e => setFamily(e.target.value)}
+              <select value={family} onChange={e => { setFamily(e.target.value); setPlacement('') }}
                 className="w-full bg-slate-700 border border-slate-600 rounded px-2 py-1.5 text-sm text-white focus:outline-none focus:ring-1 focus:ring-indigo-500">
                 {families.map(f => <option key={f}>{f}</option>)}
               </select>
             </div>
           </div>
+
+          {isCarrelage && (
+            <div>
+              <label className="block text-xs text-gray-400 mb-1">Placement <span className="text-red-400">*</span></label>
+              <div className="flex gap-2">
+                {CARRELAGE_PLACEMENTS.map(p => (
+                  <button key={p} type="button" onClick={() => setPlacement(p)}
+                    className={`px-4 py-1.5 rounded text-sm font-medium transition-colors ${placement === p ? 'bg-indigo-600 text-white' : 'bg-slate-700 text-gray-300 hover:bg-slate-600'}`}>
+                    {p === 'mur' ? 'Mur (faïence)' : 'Sol'}
+                  </button>
+                ))}
+              </div>
+            </div>
+          )}
+
           <div>
             <label className="block text-xs text-gray-400 mb-1">Description (optionnel)</label>
             <input value={description} onChange={e => setDescription(e.target.value)}
-              placeholder="ex: Pièce lumineuse avec parquet"
+              placeholder="ex: Salle de bain lumineuse"
               className="w-full bg-slate-700 border border-slate-600 rounded px-2 py-1.5 text-sm text-white focus:outline-none focus:ring-1 focus:ring-indigo-500" />
           </div>
           <div>
@@ -95,7 +127,7 @@ export function TemplateLibrary() {
             <input ref={fileRef} type="file" accept="image/*" className="text-sm text-gray-300" />
           </div>
           {error && <p className="text-xs text-red-400">{error}</p>}
-          <button type="submit" disabled={uploading || !name || !family}
+          <button type="submit" disabled={uploading || !name || !family || (isCarrelage && !placement)}
             className="px-4 py-2 bg-indigo-600 text-white text-sm rounded-lg disabled:opacity-40 hover:bg-indigo-500">
             {uploading ? 'Ajout…' : '+ Ajouter'}
           </button>
@@ -110,27 +142,37 @@ export function TemplateLibrary() {
       ) : (
         <div className="space-y-6">
           {displayFamilies.map(f => {
-            const byFamily = templates.filter(t => t.family === f)
-            if (byFamily.length === 0) return null
+            const groups = groupedTemplates(f)
+            const total = groups.reduce((n, g) => n + g.items.length, 0)
+            if (total === 0) return null
             return (
               <div key={f}>
-                <h3 className="text-sm font-medium text-gray-300 mb-2 flex items-center gap-2">
+                <h3 className="text-sm font-medium text-gray-300 mb-3 flex items-center gap-2">
                   {f}
-                  <span className="text-xs text-gray-500">{byFamily.length} template{byFamily.length > 1 ? 's' : ''}</span>
+                  <span className="text-xs text-gray-500">{total} template{total > 1 ? 's' : ''}</span>
                 </h3>
-                <div className="grid grid-cols-2 md:grid-cols-3 lg:grid-cols-4 gap-3">
-                  {byFamily.map(t => (
-                    <div key={t.id} className="relative rounded-lg overflow-hidden border border-slate-600 group">
-                      <img src={`/api/mockup/templates/image/${t.filename}`} alt={t.name}
-                        className="w-full h-32 object-cover" />
-                      <div className="p-2 bg-slate-800">
-                        <p className="text-xs text-white font-medium truncate">{t.name}</p>
-                        {t.description && <p className="text-xs text-gray-400 truncate">{t.description}</p>}
+                <div className="space-y-4">
+                  {groups.map((group, gi) => (
+                    <div key={gi}>
+                      {group.label && (
+                        <p className="text-xs text-gray-400 font-medium mb-2 uppercase tracking-wide">{group.label}</p>
+                      )}
+                      <div className="grid grid-cols-2 md:grid-cols-3 lg:grid-cols-4 gap-3">
+                        {group.items.map(t => (
+                          <div key={t.id} className="relative rounded-lg overflow-hidden border border-slate-600 group">
+                            <img src={`/api/mockup/templates/image/${t.filename}`} alt={t.name}
+                              className="w-full h-32 object-cover" />
+                            <div className="p-2 bg-slate-800">
+                              <p className="text-xs text-white font-medium truncate">{t.name}</p>
+                              {t.description && <p className="text-xs text-gray-400 truncate">{t.description}</p>}
+                            </div>
+                            <button type="button" onClick={() => remove(t.id)}
+                              className="absolute top-1 right-1 bg-red-600/80 hover:bg-red-500 text-white text-xs rounded px-1.5 py-0.5 opacity-0 group-hover:opacity-100 transition-opacity">
+                              ✕
+                            </button>
+                          </div>
+                        ))}
                       </div>
-                      <button type="button" onClick={() => remove(t.id)}
-                        className="absolute top-1 right-1 bg-red-600/80 hover:bg-red-500 text-white text-xs rounded px-1.5 py-0.5 opacity-0 group-hover:opacity-100 transition-opacity">
-                        ✕
-                      </button>
                     </div>
                   ))}
                 </div>
diff --git a/src/types/mockup.ts b/src/types/mockup.ts
index 68fe557..a8794eb 100644
--- a/src/types/mockup.ts
+++ b/src/types/mockup.ts
@@ -2,6 +2,7 @@ export interface MockupTemplate {
   id: string
   name: string
   family: string
+  placement?: string
   filename: string
   description: string
 }
@@ -12,6 +13,7 @@ export interface MockupGenerateRequest {
   productName: string
   dimensions?: string
   family: string
+  placement?: string
   instruction?: string
 }