diff --git a/backend/app/models.py b/backend/app/models.py
index 82c037e..93c122a 100644
--- a/backend/app/models.py
+++ b/backend/app/models.py
@@ -64,6 +64,7 @@ class Post(Base):
     __tablename__ = "posts"
 
     id = Column(Integer, primary_key=True, index=True)
+    batch_id = Column(String(36), nullable=True, index=True)  # groups posts generated together
     character_id = Column(Integer, ForeignKey("characters.id"), nullable=False)
     content_type = Column(String(20), default="text")  # text, image, video, carousel
     text_content = Column(Text)
diff --git a/backend/app/routers/content.py b/backend/app/routers/content.py
index 418e84a..43c9b5a 100644
--- a/backend/app/routers/content.py
+++ b/backend/app/routers/content.py
@@ -3,6 +3,7 @@
 Handles post generation via LLM, image generation, and CRUD operations on posts.
 """
 
+import uuid
 from datetime import date, datetime
 
 from fastapi import APIRouter, Depends, HTTPException, Query
@@ -132,7 +133,8 @@ def generate_content(
             for link in links
         ]
 
-    # Generate one post per platform
+    # Generate one post per platform, all sharing the same batch_id
+    batch_id = str(uuid.uuid4())
     posts_created: list[Post] = []
     for platform in platforms:
         text = generate_post_text(
@@ -152,6 +154,7 @@ def generate_content(
             )
 
         post = Post(
+            batch_id=batch_id,
             character_id=character.id,
             user_id=current_user.id,
             content_type=request.content_type,
diff --git a/backend/app/schemas.py b/backend/app/schemas.py
index 92ebfae..d8e94c0 100644
--- a/backend/app/schemas.py
+++ b/backend/app/schemas.py
@@ -82,6 +82,7 @@ class PostUpdate(BaseModel):
 
 class PostResponse(BaseModel):
     id: int
+    batch_id: Optional[str] = None
     character_id: int
     content_type: str
     text_content: Optional[str] = None
diff --git a/frontend/src/components/ConfirmModal.jsx b/frontend/src/components/ConfirmModal.jsx
index 25d41f1..b68cb8b 100644
--- a/frontend/src/components/ConfirmModal.jsx
+++ b/frontend/src/components/ConfirmModal.jsx
@@ -1,11 +1,16 @@
 import { useEffect } from 'react'
+import { createPortal } from 'react-dom'
 
 export default function ConfirmModal({ open, title, message, confirmLabel = 'Conferma', cancelLabel = 'Annulla', confirmStyle = 'danger', onConfirm, onCancel }) {
   useEffect(() => {
     if (!open) return
     const onKey = (e) => { if (e.key === 'Escape') onCancel() }
     document.addEventListener('keydown', onKey)
-    return () => document.removeEventListener('keydown', onKey)
+    document.body.style.overflow = 'hidden'
+    return () => {
+      document.removeEventListener('keydown', onKey)
+      document.body.style.overflow = ''
+    }
   }, [open, onCancel])
 
   if (!open) return null
@@ -17,24 +22,25 @@ export default function ConfirmModal({ open, title, message, confirmLabel = 'Con
   }
   const cc = confirmColors[confirmStyle] || confirmColors.danger
 
-  return (
-    <div style={{ position: 'fixed', inset: 0, zIndex: 9999, display: 'flex', alignItems: 'center', justifyContent: 'center' }}>
-      <div onClick={onCancel} style={{ position: 'absolute', inset: 0, backgroundColor: 'rgba(26,26,26,0.4)', backdropFilter: 'blur(2px)' }} />
+  return createPortal(
+    <div style={{ position: 'fixed', top: 0, left: 0, right: 0, bottom: 0, zIndex: 99999, display: 'flex', alignItems: 'center', justifyContent: 'center' }}>
+      <div onClick={onCancel} style={{ position: 'fixed', top: 0, left: 0, right: 0, bottom: 0, backgroundColor: 'rgba(26,26,26,0.5)', backdropFilter: 'blur(3px)' }} />
       <div style={{
-        position: 'relative', backgroundColor: 'var(--surface)', border: '1px solid var(--border)',
-        borderTop: '4px solid var(--accent)', padding: '2rem', maxWidth: 420, width: '90%',
+        position: 'relative', backgroundColor: 'var(--surface, #fff)', border: '1px solid var(--border, #E5E0D8)',
+        borderTop: '4px solid var(--accent, #E85A4F)', padding: '2rem', maxWidth: 420, width: '90%',
+        boxShadow: '0 20px 60px rgba(0,0,0,0.15)',
         animation: 'fade-up 0.2s ease-out both',
       }}>
-        <h3 style={{ fontFamily: "'Fraunces', serif", fontSize: '1.15rem', fontWeight: 600, color: 'var(--ink)', margin: '0 0 0.5rem' }}>
+        <h3 style={{ fontFamily: "'Fraunces', serif", fontSize: '1.15rem', fontWeight: 600, color: 'var(--ink, #1A1A1A)', margin: '0 0 0.5rem' }}>
           {title}
         </h3>
-        <p style={{ fontSize: '0.875rem', color: 'var(--ink-light)', lineHeight: 1.6, margin: '0 0 1.5rem' }}>
+        <p style={{ fontSize: '0.875rem', color: 'var(--ink-light, #4A4A4A)', lineHeight: 1.6, margin: '0 0 1.5rem' }}>
           {message}
         </p>
         <div style={{ display: 'flex', gap: '0.5rem', justifyContent: 'flex-end' }}>
           <button onClick={onCancel} style={{
             padding: '0.5rem 1rem', fontSize: '0.85rem', fontWeight: 600, fontFamily: "'DM Sans', sans-serif",
-            backgroundColor: 'var(--cream-dark)', color: 'var(--ink-light)', border: 'none', cursor: 'pointer',
+            backgroundColor: 'var(--cream-dark, #F5F0E8)', color: 'var(--ink-light, #4A4A4A)', border: 'none', cursor: 'pointer',
           }}>
             {cancelLabel}
           </button>
@@ -46,6 +52,7 @@ export default function ConfirmModal({ open, title, message, confirmLabel = 'Con
           </button>
         </div>
       </div>
-    </div>
+    </div>,
+    document.body
   )
 }
diff --git a/frontend/src/components/ContentArchive.jsx b/frontend/src/components/ContentArchive.jsx
index 219899e..5d501fb 100644
--- a/frontend/src/components/ContentArchive.jsx
+++ b/frontend/src/components/ContentArchive.jsx
@@ -11,29 +11,43 @@ const statusColors = {
   published: { bg: '#F5F3FF', color: '#6D28D9' },
 }
 
+function groupByBatch(posts) {
+  const groups = []
+  const batchMap = {}
+  for (const post of posts) {
+    const key = post.batch_id || `solo_${post.id}`
+    if (batchMap[key]) {
+      batchMap[key].posts.push(post)
+    } else {
+      const group = { key, posts: [post] }
+      batchMap[key] = group
+      groups.push(group)
+    }
+  }
+  return groups
+}
+
 export default function ContentArchive() {
   const [posts, setPosts] = useState([])
   const [characters, setCharacters] = useState([])
   const [loading, setLoading] = useState(true)
-  const [expandedId, setExpandedId] = useState(null)
+  const [expandedKey, setExpandedKey] = useState(null)
+  const [activePlatform, setActivePlatform] = useState({})  // key → index
   const [editingId, setEditingId] = useState(null)
   const [editText, setEditText] = useState('')
   const [filterCharacter, setFilterCharacter] = useState('')
   const [filterStatus, setFilterStatus] = useState('')
-  const [deleteTarget, setDeleteTarget] = useState(null)
+  const [deleteTarget, setDeleteTarget] = useState(null)  // { id, batchKey }
 
   useEffect(() => { loadData() }, [])
 
   const loadData = async () => {
     setLoading(true)
     try {
-      const [postsData, charsData] = await Promise.all([
-        api.get('/content/posts'),
-        api.get('/characters/'),
-      ])
+      const [postsData, charsData] = await Promise.all([api.get('/content/posts'), api.get('/characters/')])
       setPosts(postsData)
       setCharacters(charsData)
-    } catch { /* silent */ } finally { setLoading(false) }
+    } catch {} finally { setLoading(false) }
   }
 
   const getCharacterName = (id) => characters.find(c => c.id === id)?.name || '—'
@@ -41,9 +55,16 @@ export default function ContentArchive() {
   const handleApprove = async (postId) => {
     try { await api.post(`/content/posts/${postId}/approve`); loadData() } catch {}
   }
-  const handleDelete = async (postId) => {
-    try { await api.delete(`/content/posts/${postId}`); setDeleteTarget(null); loadData() } catch {}
+
+  const handleDelete = async () => {
+    if (!deleteTarget) return
+    try {
+      await api.delete(`/content/posts/${deleteTarget.id}`)
+      setDeleteTarget(null)
+      loadData()
+    } catch {}
   }
+
   const handleSaveEdit = async (postId) => {
     try {
       await api.put(`/content/posts/${postId}`, { text_content: editText })
@@ -58,6 +79,8 @@ export default function ContentArchive() {
     return true
   })
 
+  const groups = groupByBatch(filtered)
+
   const formatDate = (d) => d ? new Date(d).toLocaleDateString('it-IT', { day: '2-digit', month: 'short', year: 'numeric' }) : '—'
 
   return (
@@ -87,7 +110,7 @@ export default function ContentArchive() {
           {Object.entries(statusLabels).map(([val, label]) => <option key={val} value={val}>{label}</option>)}
         </select>
         <span style={{ fontSize: '0.78rem', color: 'var(--ink-muted)', marginLeft: 'auto' }}>
-          {filtered.length} contenut{filtered.length === 1 ? 'o' : 'i'}
+          {groups.length} contenut{groups.length === 1 ? 'o' : 'i'}
         </span>
       </div>
 
@@ -95,7 +118,7 @@ export default function ContentArchive() {
         <div style={{ display: 'flex', justifyContent: 'center', padding: '3rem 0' }}>
           <div style={{ width: 32, height: 32, border: '2px solid var(--border)', borderTopColor: 'var(--accent)', borderRadius: '50%', animation: 'spin 0.8s linear infinite' }} />
         </div>
-      ) : filtered.length === 0 ? (
+      ) : groups.length === 0 ? (
         <div style={{ textAlign: 'center', padding: '4rem 1rem', backgroundColor: 'var(--surface)', border: '1px solid var(--border)' }}>
           <div style={{ fontSize: '2.5rem', color: 'var(--border-strong)', marginBottom: '1rem' }}>✦</div>
           <p style={{ fontFamily: "'Fraunces', serif", fontSize: '1rem', color: 'var(--ink)', margin: '0 0 0.5rem' }}>Nessun contenuto trovato</p>
@@ -104,30 +127,48 @@ export default function ContentArchive() {
           </p>
         </div>
       ) : (
-        <div style={{ display: 'grid', gridTemplateColumns: 'repeat(auto-fill, minmax(340px, 1fr))', gap: '1rem' }}>
-          {filtered.map(post => {
-            const sc = statusColors[post.status] || statusColors.draft
-            const isExpanded = expandedId === post.id
-            const isEditing = editingId === post.id
+        <div style={{ display: 'grid', gridTemplateColumns: 'repeat(auto-fill, minmax(380px, 1fr))', gap: '1rem' }}>
+          {groups.map(group => {
+            const activeIdx = activePlatform[group.key] || 0
+            const activePost = group.posts[activeIdx] || group.posts[0]
+            const sc = statusColors[activePost.status] || statusColors.draft
+            const isExpanded = expandedKey === group.key
+            const isEditing = editingId === activePost.id
+            const hasMultiple = group.posts.length > 1
+
             return (
-              <div key={post.id} style={{ backgroundColor: 'var(--surface)', border: '1px solid var(--border)', borderTop: `3px solid ${sc.color}`, cursor: 'pointer', transition: 'border-color 0.15s' }}
-                onClick={() => { if (!isEditing) setExpandedId(isExpanded ? null : post.id) }}>
+              <div key={group.key} style={{ backgroundColor: 'var(--surface)', border: '1px solid var(--border)', borderTop: `3px solid ${sc.color}`, cursor: 'pointer', transition: 'border-color 0.15s' }}
+                onClick={() => { if (!isEditing) setExpandedKey(isExpanded ? null : group.key) }}>
                 <div style={{ padding: '1.25rem' }}>
-                  {/* Header */}
-                  <div style={{ display: 'flex', gap: '0.4rem', flexWrap: 'wrap', marginBottom: '0.75rem' }}>
-                    <span style={{ fontSize: '0.72rem', fontWeight: 700, padding: '0.15rem 0.5rem', backgroundColor: sc.bg, color: sc.color }}>
-                      {statusLabels[post.status] || post.status}
-                    </span>
-                    {post.platform_hint && (
-                      <span style={{ fontSize: '0.72rem', fontWeight: 500, padding: '0.15rem 0.5rem', backgroundColor: 'var(--cream-dark)', color: 'var(--ink-muted)' }}>
-                        {post.platform_hint}
-                      </span>
-                    )}
+
+                  {/* Character name */}
+                  <p style={{ fontSize: '0.82rem', fontWeight: 700, color: 'var(--ink)', margin: '0 0 0.5rem' }}>
+                    {getCharacterName(activePost.character_id)}
+                  </p>
+
+                  {/* Platform tabs */}
+                  <div style={{ display: 'flex', gap: '0', marginBottom: '0.5rem', borderBottom: hasMultiple ? '2px solid var(--border)' : 'none' }}>
+                    {group.posts.map((p, i) => (
+                      <button key={p.id} onClick={e => { e.stopPropagation(); setActivePlatform(prev => ({ ...prev, [group.key]: i })); setEditing && setEditingId(null) }}
+                        style={{
+                          padding: '0.35rem 0.75rem', fontSize: '0.75rem', fontWeight: activeIdx === i ? 700 : 400,
+                          fontFamily: "'DM Sans', sans-serif", border: 'none', cursor: 'pointer',
+                          backgroundColor: activeIdx === i ? 'var(--surface)' : 'transparent',
+                          color: activeIdx === i ? 'var(--ink)' : 'var(--ink-muted)',
+                          borderBottom: hasMultiple ? (activeIdx === i ? '2px solid var(--accent)' : '2px solid transparent') : 'none',
+                          marginBottom: hasMultiple ? '-2px' : 0, transition: 'all 0.15s',
+                        }}>
+                        {(p.platform_hint || 'post').charAt(0).toUpperCase() + (p.platform_hint || 'post').slice(1)}
+                      </button>
+                    ))}
                   </div>
 
-                  <p style={{ fontSize: '0.78rem', fontWeight: 600, color: 'var(--ink-light)', margin: '0 0 0.5rem' }}>
-                    {getCharacterName(post.character_id)}
-                  </p>
+                  {/* Status badge */}
+                  <div style={{ marginBottom: '0.75rem' }}>
+                    <span style={{ fontSize: '0.7rem', fontWeight: 700, padding: '0.15rem 0.5rem', backgroundColor: sc.bg, color: sc.color }}>
+                      {statusLabels[activePost.status] || activePost.status}
+                    </span>
+                  </div>
 
                   {/* Text content */}
                   {isEditing ? (
@@ -135,20 +176,20 @@ export default function ContentArchive() {
                       <textarea value={editText} onChange={e => setEditText(e.target.value)} rows={6}
                         style={{ ...inputStyle, resize: 'vertical', lineHeight: 1.6, fontSize: '0.85rem' }} />
                       <div style={{ display: 'flex', gap: '0.5rem', marginTop: '0.5rem' }}>
-                        <button onClick={() => handleSaveEdit(post.id)} style={btnPrimary}>Salva</button>
+                        <button onClick={() => handleSaveEdit(activePost.id)} style={btnPrimary}>Salva</button>
                         <button onClick={() => setEditingId(null)} style={btnSecondary}>Annulla</button>
                       </div>
                     </div>
                   ) : (
                     <p style={{ fontSize: '0.85rem', color: 'var(--ink)', lineHeight: 1.6, margin: 0, whiteSpace: isExpanded ? 'pre-wrap' : 'normal', overflow: isExpanded ? 'visible' : 'hidden', display: isExpanded ? 'block' : '-webkit-box', WebkitLineClamp: isExpanded ? 'unset' : 3, WebkitBoxOrient: 'vertical' }}>
-                      {post.text_content || '(nessun testo)'}
+                      {activePost.text_content || '(nessun testo)'}
                     </p>
                   )}
 
                   {/* Hashtags when expanded */}
-                  {isExpanded && !isEditing && post.hashtags?.length > 0 && (
+                  {isExpanded && !isEditing && activePost.hashtags?.length > 0 && (
                     <div style={{ display: 'flex', flexWrap: 'wrap', gap: '0.3rem', marginTop: '0.75rem' }}>
-                      {post.hashtags.map((tag, i) => (
+                      {activePost.hashtags.map((tag, i) => (
                         <span key={i} style={{ fontSize: '0.72rem', padding: '0.1rem 0.4rem', backgroundColor: 'var(--accent-light)', color: 'var(--accent)' }}>
                           {tag}
                         </span>
@@ -158,21 +199,21 @@ export default function ContentArchive() {
 
                   {/* Footer */}
                   <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between', marginTop: '0.75rem', paddingTop: '0.75rem', borderTop: '1px solid var(--border)' }}>
-                    <span style={{ fontSize: '0.72rem', color: 'var(--ink-muted)' }}>{formatDate(post.created_at)}</span>
-                    {post.hashtags?.length > 0 && (
-                      <span style={{ fontSize: '0.72rem', color: 'var(--ink-muted)' }}>{post.hashtags.length} hashtag</span>
+                    <span style={{ fontSize: '0.72rem', color: 'var(--ink-muted)' }}>{formatDate(activePost.created_at)}</span>
+                    {activePost.hashtags?.length > 0 && (
+                      <span style={{ fontSize: '0.72rem', color: 'var(--ink-muted)' }}>{activePost.hashtags.length} hashtag</span>
                     )}
                   </div>
 
                   {/* Actions */}
                   <div style={{ display: 'flex', gap: '0.5rem', marginTop: '0.75rem', paddingTop: '0.75rem', borderTop: '1px solid var(--border)' }}
                     onClick={e => e.stopPropagation()}>
-                    {post.status === 'draft' && (
-                      <button onClick={() => handleApprove(post.id)} style={{ ...btnSmall, backgroundColor: 'var(--success-light)', color: 'var(--success)' }}>Approva</button>
+                    {activePost.status === 'draft' && (
+                      <button onClick={() => handleApprove(activePost.id)} style={{ ...btnSmall, backgroundColor: 'var(--success-light)', color: 'var(--success)' }}>Approva</button>
                     )}
-                    <button onClick={() => { setEditingId(post.id); setEditText(post.text_content || ''); setExpandedId(post.id) }}
+                    <button onClick={() => { setEditingId(activePost.id); setEditText(activePost.text_content || ''); setExpandedKey(group.key) }}
                       style={{ ...btnSmall, backgroundColor: 'var(--cream-dark)', color: 'var(--ink-light)' }}>Modifica</button>
-                    <button onClick={() => setDeleteTarget(post.id)}
+                    <button onClick={() => setDeleteTarget({ id: activePost.id, batchKey: group.key })}
                       style={{ ...btnSmall, color: 'var(--error)', backgroundColor: 'transparent', marginLeft: 'auto' }}>Elimina</button>
                   </div>
                 </div>
@@ -181,6 +222,7 @@ export default function ContentArchive() {
           })}
         </div>
       )}
+
       <ConfirmModal
         open={deleteTarget !== null}
         title="Elimina contenuto"
@@ -188,7 +230,7 @@ export default function ContentArchive() {
         confirmLabel="Elimina"
         cancelLabel="Annulla"
         confirmStyle="danger"
-        onConfirm={() => handleDelete(deleteTarget)}
+        onConfirm={handleDelete}
         onCancel={() => setDeleteTarget(null)}
       />
       <style>{`@keyframes spin { to { transform: rotate(360deg) } }`}</style>