diff --git a/routes/calendar.routes.js b/routes/calendar.routes.js
index 34c552d..5c592f9 100644
--- a/routes/calendar.routes.js
+++ b/routes/calendar.routes.js
@@ -6,8 +6,8 @@ const { getAll, getOne, runQuery } = require('../config/database');
 const { authenticateToken, requireAdmin } = require('../middleware/auth');
 const logger = require('../config/logger');
 
-// Scopes Google Calendar requis
-const SCOPES = ['https://www.googleapis.com/auth/calendar.readonly'];
+// Scopes Google Calendar requis (lecture ET écriture)
+const SCOPES = ['https://www.googleapis.com/auth/calendar'];
 
 /**
  * Types d'authentification supportés
@@ -496,6 +496,116 @@ router.post('/disconnect', authenticateToken, async (req, res) => {
   }
 });
 
+/**
+ * POST /api/calendar/events
+ * Créer un événement dans Google Calendar
+ */
+router.post('/events', authenticateToken, async (req, res) => {
+  try {
+    const {
+      title,
+      description,
+      startDateTime,
+      endDateTime,
+      location,
+      attendees,
+      reminders,
+      recurrence,
+      visibility,
+      colorId
+    } = req.body;
+
+    // Validation
+    if (!title || !startDateTime || !endDateTime) {
+      return res.status(400).json({ error: 'Titre, date de début et date de fin requis' });
+    }
+
+    const calendar = await getCalendarClient(req.user.id);
+
+    // Préparer l'événement
+    const event = {
+      summary: title,
+      location: location || undefined,
+      description: description || undefined,
+      start: {
+        dateTime: startDateTime,
+        timeZone: 'Europe/Paris',
+      },
+      end: {
+        dateTime: endDateTime,
+        timeZone: 'Europe/Paris',
+      },
+      attendees: attendees && attendees.length > 0 ?
+        attendees.map(email => ({ email })) : undefined,
+      reminders: reminders ? {
+        useDefault: false,
+        overrides: reminders
+      } : undefined,
+      recurrence: recurrence || undefined,
+      visibility: visibility || 'default',
+      colorId: colorId || undefined
+    };
+
+    // Récupérer le Calendar ID depuis les settings
+    const calendarIdSetting = await getOne("SELECT value FROM settings WHERE key = 'google_calendar_id'");
+    const calendarId = calendarIdSetting?.value || 'primary';
+
+    // Créer l'événement dans Google Calendar
+    const response = await calendar.events.insert({
+      calendarId: calendarId,
+      resource: event,
+      sendUpdates: attendees && attendees.length > 0 ? 'all' : 'none'
+    });
+
+    logger.info(`Événement créé: ${response.data.id} pour l'utilisateur ${req.user.username}`);
+
+    // Synchroniser après création pour mettre à jour la base locale
+    try {
+      const events = await calendar.events.list({
+        calendarId: calendarId,
+        timeMin: new Date().toISOString(),
+        maxResults: 10,
+        singleEvents: true,
+        orderBy: 'startTime'
+      });
+
+      if (events.data.items && events.data.items.length > 0) {
+        for (const item of events.data.items) {
+          await runQuery(`
+            INSERT OR REPLACE INTO calendar_events
+            (google_event_id, user_id, title, description, start_time, end_time, location, html_link, synced_at)
+            VALUES (?, ?, ?, ?, ?, ?, ?, ?, datetime('now'))
+          `, [
+            item.id,
+            req.user.id,
+            item.summary || 'Sans titre',
+            item.description || null,
+            item.start.dateTime || item.start.date,
+            item.end.dateTime || item.end.date,
+            item.location || null,
+            item.htmlLink || null
+          ]);
+        }
+      }
+    } catch (syncError) {
+      logger.warn('Erreur lors de la synchronisation post-création:', syncError);
+    }
+
+    res.json({
+      message: 'Événement créé avec succès',
+      eventId: response.data.id,
+      htmlLink: response.data.htmlLink
+    });
+
+  } catch (error) {
+    logger.error('Erreur lors de la création de l\'événement:', error);
+    res.status(500).json({
+      error: 'Erreur lors de la création de l\'événement',
+      details: error.message
+    });
+  }
+});
+
 /**
  * DELETE /api/calendar/events/:id
  * Supprimer un événement local
diff --git a/src/pages/Index.tsx b/src/pages/Index.tsx
index c7b611c..f14814d 100644
--- a/src/pages/Index.tsx
+++ b/src/pages/Index.tsx
@@ -56,6 +56,7 @@ const Index = () => {
   const [loadingModels, setLoadingModels] = useState(false);
   const [currentDateTime, setCurrentDateTime] = useState(new Date());
   const [upcomingAlert, setUpcomingAlert] = useState<CalendarEvent | null>(null);
+  const [rssDisplayOffset, setRssDisplayOffset] = useState(0);
   const [calendarAuthStatus, setCalendarAuthStatus] = useState<{
     isAuthenticated: boolean;
     isExpired: boolean;
@@ -78,6 +79,7 @@ const Index = () => {
   const [addNoteTodoModal, setAddNoteTodoModal] = useState(false);
   const [addTagModal, setAddTagModal] = useState(false);
   const [selectedImage, setSelectedImage] = useState<string | null>(null);
+  const [addEventModal, setAddEventModal] = useState(false);
 
   // Debounce timer for auto-save
   const saveTimerRef = useRef<NodeJS.Timeout | null>(null);
@@ -109,6 +111,19 @@ const Index = () => {
     return () => clearInterval(timer);
   }, [calendarEvents]);
 
+  // RSS articles rotation every 20 seconds
+  useEffect(() => {
+    if (rssArticles.length > 3) {
+      const timer = setInterval(() => {
+        setRssDisplayOffset(prev => {
+          const maxOffset = Math.max(0, rssArticles.length - 3);
+          return (prev + 3) % (maxOffset + 3);
+        });
+      }, 20000); // Rotate every 20 seconds
+      return () => clearInterval(timer);
+    }
+  }, [rssArticles.length]);
+
   useEffect(() => {
     const userFromAuth = AuthService.getUser();
     if (userFromAuth) {
@@ -698,17 +713,22 @@ const Index = () => {
                     <CalendarIcon className="h-6 w-6" />
                     Rendez-vous
                   </CardTitle>
-                  <Button size="sm" variant="outline" onClick={async () => {
-                    try {
-                      const result = await CalendarService.sync();
-                      showSuccess(`${result.syncedCount} événements synchronisés`);
-                      await loadCalendarEvents();
-                    } catch (error) {
-                      showError("Erreur lors de la synchronisation");
-                    }
-                  }} className="gap-1">
-                    <RefreshCw className="h-4 w-4" />
-                  </Button>
+                  <div className="flex gap-1.5">
+                    <Button size="sm" variant="outline" onClick={() => setAddEventModal(true)}>
+                      <Plus className="h-4 w-4" />
+                    </Button>
+                    <Button size="sm" variant="outline" onClick={async () => {
+                      try {
+                        const result = await CalendarService.sync();
+                        showSuccess(`${result.syncedCount} événements synchronisés`);
+                        await loadCalendarEvents();
+                      } catch (error) {
+                        showError("Erreur lors de la synchronisation");
+                      }
+                    }}>
+                      <RefreshCw className="h-4 w-4" />
+                    </Button>
+                  </div>
                 </div>
               </CardHeader>
               <CardContent>
@@ -728,7 +748,12 @@ const Index = () => {
                         >
                           <div className="flex items-start justify-between gap-2">
                             <div className="flex-1 min-w-0">
-                              <h4 className="font-medium line-clamp-2 mb-1 text-sm">{event.title}</h4>
+                              <div className="flex items-center gap-2 mb-1">
+                                {isToday && (
+                                  <div className="h-2 w-2 rounded-full bg-blue-500 flex-shrink-0 animate-pulse" />
+                                )}
+                                <h4 className="font-medium line-clamp-2 text-sm">{event.title}</h4>
+                              </div>
                               <p className="text-xs text-muted-foreground">
                                 {isToday ? "Aujourd'hui" : startDate.toLocaleDateString('fr-FR', { day: '2-digit', month: '2-digit' })} à {startDate.toLocaleTimeString('fr-FR', { hour: '2-digit', minute: '2-digit' })}
                               </p>
@@ -1171,79 +1196,78 @@ const Index = () => {
           <div className="space-y-6 h-fit sticky top-24">
           {/* Todos Box */}
           <Card className="shadow-lg">
-            <CardHeader className="pb-4">
+            <CardHeader className="pb-3">
               <div className="flex items-center justify-between">
                 <CardTitle className="text-xl flex items-center gap-2">
-                  <CheckSquare className="h-6 w-6" />
+                  <CheckSquare className="h-5 w-5" />
                   Tâches
                 </CardTitle>
-                <Button size="lg" variant="outline" onClick={() => setAddTodoModal(true)} className="gap-2">
-                  <Plus className="h-5 w-5" />
-                  Ajouter
+                <Button size="sm" variant="outline" onClick={() => setAddTodoModal(true)}>
+                  <Plus className="h-4 w-4" />
                 </Button>
               </div>
             </CardHeader>
             <CardContent>
               <Tabs defaultValue="active" className="w-full">
-                <TabsList className="grid grid-cols-2 w-full">
-                  <TabsTrigger value="active">Actives ({todos.filter(t => !t.completed).length})</TabsTrigger>
-                  <TabsTrigger value="completed">Complétées ({todos.filter(t => t.completed).length})</TabsTrigger>
+                <TabsList className="grid grid-cols-2 w-full mb-3">
+                  <TabsTrigger value="active" className="text-xs">Actives ({todos.filter(t => !t.completed).length})</TabsTrigger>
+                  <TabsTrigger value="completed" className="text-xs">Complétées ({todos.filter(t => t.completed).length})</TabsTrigger>
                 </TabsList>
 
-                <TabsContent value="active" className="mt-4">
-                  <div className="space-y-3 max-h-[400px] overflow-y-auto">
+                <TabsContent value="active" className="mt-0">
+                  <div className="space-y-1.5 max-h-[350px] overflow-y-auto">
                     {todos.filter(t => !t.completed).length > 0 ? (
                       todos.filter(t => !t.completed).map(todo => (
-                        <div key={todo.id} className="flex items-center gap-3 p-3 border rounded-lg hover:bg-accent/50 transition-colors group">
+                        <div key={todo.id} className="flex items-center gap-2 p-2 border rounded hover:bg-accent/50 transition-colors group">
                           <Checkbox
                             checked={false}
                             onCheckedChange={() => todo.id && handleToggleTodo(todo.id)}
-                            className="h-5 w-5"
+                            className="h-4 w-4"
                           />
-                          <span className="text-base flex-1">
+                          <span className="text-sm flex-1 leading-snug">
                             {todo.text}
                           </span>
                           <Button
                             variant="ghost"
                             size="icon"
-                            className="opacity-0 group-hover:opacity-100 transition-opacity"
+                            className="h-7 w-7 opacity-0 group-hover:opacity-100 transition-opacity"
                             onClick={() => todo.id && handleDeleteTodo(todo.id)}
                           >
-                            <Trash2 className="h-4 w-4" />
+                            <Trash2 className="h-3.5 w-3.5" />
                           </Button>
                         </div>
                       ))
                     ) : (
-                      <p className="text-center text-muted-foreground py-8">Aucune tâche active</p>
+                      <p className="text-center text-muted-foreground text-sm py-6">Aucune tâche active</p>
                     )}
                   </div>
                 </TabsContent>
 
-                <TabsContent value="completed" className="mt-4">
-                  <div className="space-y-3 max-h-[400px] overflow-y-auto">
+                <TabsContent value="completed" className="mt-0">
+                  <div className="space-y-1.5 max-h-[350px] overflow-y-auto">
                     {todos.filter(t => t.completed).length > 0 ? (
                       todos.filter(t => t.completed).map(todo => (
-                        <div key={todo.id} className="flex items-center gap-3 p-3 border rounded-lg hover:bg-accent/50 transition-colors group">
+                        <div key={todo.id} className="flex items-center gap-2 p-2 border rounded hover:bg-accent/50 transition-colors group">
                           <Checkbox
                             checked={true}
                             onCheckedChange={() => todo.id && handleToggleTodo(todo.id)}
-                            className="h-5 w-5"
+                            className="h-4 w-4"
                           />
-                          <span className="text-base flex-1 line-through text-muted-foreground">
+                          <span className="text-sm flex-1 line-through text-muted-foreground leading-snug">
                             {todo.text}
                           </span>
                           <Button
                             variant="ghost"
                             size="icon"
-                            className="opacity-0 group-hover:opacity-100 transition-opacity"
+                            className="h-7 w-7 opacity-0 group-hover:opacity-100 transition-opacity"
                             onClick={() => todo.id && handleDeleteTodo(todo.id)}
                           >
-                            <Trash2 className="h-4 w-4" />
+                            <Trash2 className="h-3.5 w-3.5" />
                           </Button>
                         </div>
                       ))
                     ) : (
-                      <p className="text-center text-muted-foreground py-8">Aucune tâche complétée</p>
+                      <p className="text-center text-muted-foreground text-sm py-6">Aucune tâche complétée</p>
                     )}
                   </div>
                 </TabsContent>
@@ -1253,59 +1277,71 @@ const Index = () => {
 
           {/* RSS Box */}
           <Card className="shadow-lg">
-            <CardHeader className="pb-4">
-              <div className="flex items-center justify-between">
-                <CardTitle className="text-xl flex items-center gap-2">
-                  <Rss className="h-6 w-6" />
+            <CardHeader className="pb-3">
+              <div className="flex items-center justify-between gap-2">
+                <CardTitle className="text-xl flex items-center gap-2 flex-shrink-0">
+                  <Rss className="h-5 w-5" />
                   Flux RSS
                 </CardTitle>
-                <div className="flex gap-2">
-                  <Button size="lg" variant="outline" onClick={handleRefreshRss} className="gap-2">
-                    <RefreshCw className="h-5 w-5" />
-                    Actualiser
+                <div className="flex gap-1.5 flex-shrink-0">
+                  <Button size="sm" variant="outline" onClick={handleRefreshRss}>
+                    <RefreshCw className="h-4 w-4" />
                   </Button>
-                  <Button size="lg" variant="outline" onClick={() => setAddRssFeedModal(true)} className="gap-2">
-                    <Plus className="h-5 w-5" />
-                    Ajouter
+                  <Button size="sm" variant="outline" onClick={() => setAddRssFeedModal(true)}>
+                    <Plus className="h-4 w-4" />
                   </Button>
                 </div>
               </div>
             </CardHeader>
             <CardContent>
-              <div className="space-y-3 max-h-[480px] overflow-y-auto">
+              <div className="space-y-2">
                 {rssArticles.length > 0 ? (
-                  rssArticles.map(article => (
+                  rssArticles.slice(rssDisplayOffset, rssDisplayOffset + 3).map(article => (
                     <div
                       key={article.id}
-                      className="p-3 border rounded-lg hover:bg-accent/50 transition-colors cursor-pointer"
+                      className="p-2.5 border rounded hover:bg-accent/50 transition-colors cursor-pointer"
                       onClick={() => article.link && window.open(article.link, '_blank')}
                     >
-                      <div className="flex items-start justify-between gap-3">
+                      <div className="flex items-start justify-between gap-2">
                         <div className="flex-1 min-w-0">
-                          <h4 className="font-medium line-clamp-2 mb-1">{article.title}</h4>
+                          <h4 className="font-medium text-sm line-clamp-2 mb-1">{article.title}</h4>
                           {article.description && (
-                            <p className="text-sm text-muted-foreground line-clamp-2">
+                            <p className="text-xs text-muted-foreground line-clamp-2">
                               {article.description.replace(/<[^>]*>/g, '')}
                             </p>
                           )}
                         </div>
-                        <ExternalLink className="h-4 w-4 text-muted-foreground flex-shrink-0 mt-1" />
+                        <ExternalLink className="h-3.5 w-3.5 text-muted-foreground flex-shrink-0 mt-0.5" />
                       </div>
                     </div>
                   ))
                 ) : (
-                  <p className="text-center text-muted-foreground py-8">
+                  <p className="text-center text-muted-foreground text-sm py-6">
                     Aucun article
                     <br />
                     <Button
                       variant="link"
-                      className="mt-2"
+                      className="mt-2 text-xs"
                       onClick={() => setAddRssFeedModal(true)}
                     >
                       Ajouter un flux RSS
                     </Button>
                   </p>
                 )}
+                {rssArticles.length > 3 && (
+                  <div className="flex justify-center pt-2">
+                    <div className="flex gap-1">
+                      {Array.from({ length: Math.ceil(rssArticles.length / 3) }).map((_, i) => (
+                        <div
+                          key={i}
+                          className={`h-1.5 w-1.5 rounded-full transition-colors ${
+                            i === Math.floor(rssDisplayOffset / 3) ? 'bg-primary' : 'bg-muted'
+                          }`}
+                        />
+                      ))}
+                    </div>
+                  </div>
+                )}
               </div>
             </CardContent>
           </Card>
@@ -1903,6 +1939,178 @@ const Index = () => {
         confirmText="Ajouter"
       />
 
+      {/* Add Event Modal */}
+      <Dialog open={addEventModal} onOpenChange={setAddEventModal}>
+        <DialogContent className="max-w-2xl max-h-[90vh] overflow-y-auto">
+          <DialogHeader>
+            <DialogTitle>Ajouter un rendez-vous</DialogTitle>
+            <DialogDescription>
+              Créer un événement dans votre Google Calendar
+            </DialogDescription>
+          </DialogHeader>
+
+          <form onSubmit={async (e) => {
+            e.preventDefault();
+            const formData = new FormData(e.currentTarget);
+
+            try {
+              const eventData = {
+                title: formData.get('title') as string,
+                description: formData.get('description') as string || undefined,
+                startDateTime: new Date(formData.get('startDateTime') as string).toISOString(),
+                endDateTime: new Date(formData.get('endDateTime') as string).toISOString(),
+                location: formData.get('location') as string || undefined,
+                attendees: (formData.get('attendees') as string || '').split(',').map(e => e.trim()).filter(e => e),
+                reminders: formData.get('reminderMinutes') ? [
+                  { method: 'popup', minutes: parseInt(formData.get('reminderMinutes') as string) }
+                ] : undefined,
+                recurrence: formData.get('recurrence') ? [formData.get('recurrence') as string] : undefined,
+                visibility: formData.get('visibility') as string || 'default',
+                colorId: formData.get('colorId') as string || undefined
+              };
+
+              await CalendarService.createEvent(eventData);
+              showSuccess('Événement créé avec succès');
+              setAddEventModal(false);
+              await loadCalendarEvents();
+            } catch (error: any) {
+              showError(error.response?.data?.error || 'Erreur lors de la création de l\'événement');
+            }
+          }} className="space-y-4">
+            <div className="space-y-2">
+              <Label htmlFor="title">Titre *</Label>
+              <Input id="title" name="title" required placeholder="Réunion d'équipe" />
+            </div>
+
+            <div className="space-y-2">
+              <Label htmlFor="description">Description</Label>
+              <textarea
+                id="description"
+                name="description"
+                className="w-full min-h-[80px] px-3 py-2 border border-input rounded-md bg-background"
+                placeholder="Détails de l'événement..."
+              />
+            </div>
+
+            <div className="grid grid-cols-2 gap-4">
+              <div className="space-y-2">
+                <Label htmlFor="startDateTime">Début *</Label>
+                <Input
+                  id="startDateTime"
+                  name="startDateTime"
+                  type="datetime-local"
+                  required
+                  defaultValue={new Date(Date.now() + 60*60*1000).toISOString().slice(0, 16)}
+                />
+              </div>
+              <div className="space-y-2">
+                <Label htmlFor="endDateTime">Fin *</Label>
+                <Input
+                  id="endDateTime"
+                  name="endDateTime"
+                  type="datetime-local"
+                  required
+                  defaultValue={new Date(Date.now() + 2*60*60*1000).toISOString().slice(0, 16)}
+                />
+              </div>
+            </div>
+
+            <div className="space-y-2">
+              <Label htmlFor="location">Lieu</Label>
+              <Input id="location" name="location" placeholder="Salle de réunion A" />
+            </div>
+
+            <div className="space-y-2">
+              <Label htmlFor="attendees">Participants (emails séparés par des virgules)</Label>
+              <Input
+                id="attendees"
+                name="attendees"
+                type="text"
+                placeholder="email1@example.com, email2@example.com"
+              />
+            </div>
+
+            <div className="space-y-2">
+              <Label htmlFor="reminderMinutes">Rappel (minutes avant)</Label>
+              <Select name="reminderMinutes" defaultValue="30">
+                <SelectTrigger>
+                  <SelectValue placeholder="Sélectionner un rappel" />
+                </SelectTrigger>
+                <SelectContent>
+                  <SelectItem value="0">Aucun</SelectItem>
+                  <SelectItem value="10">10 minutes</SelectItem>
+                  <SelectItem value="30">30 minutes</SelectItem>
+                  <SelectItem value="60">1 heure</SelectItem>
+                  <SelectItem value="1440">1 jour</SelectItem>
+                </SelectContent>
+              </Select>
+            </div>
+
+            <div className="space-y-2">
+              <Label htmlFor="recurrence">Récurrence</Label>
+              <Select name="recurrence" defaultValue="">
+                <SelectTrigger>
+                  <SelectValue placeholder="Pas de récurrence" />
+                </SelectTrigger>
+                <SelectContent>
+                  <SelectItem value="">Pas de récurrence</SelectItem>
+                  <SelectItem value="RRULE:FREQ=DAILY">Tous les jours</SelectItem>
+                  <SelectItem value="RRULE:FREQ=WEEKLY">Toutes les semaines</SelectItem>
+                  <SelectItem value="RRULE:FREQ=MONTHLY">Tous les mois</SelectItem>
+                  <SelectItem value="RRULE:FREQ=YEARLY">Tous les ans</SelectItem>
+                </SelectContent>
+              </Select>
+            </div>
+
+            <div className="space-y-2">
+              <Label htmlFor="visibility">Visibilité</Label>
+              <Select name="visibility" defaultValue="default">
+                <SelectTrigger>
+                  <SelectValue placeholder="Sélectionner la visibilité" />
+                </SelectTrigger>
+                <SelectContent>
+                  <SelectItem value="default">Par défaut</SelectItem>
+                  <SelectItem value="public">Public</SelectItem>
+                  <SelectItem value="private">Privé</SelectItem>
+                </SelectContent>
+              </Select>
+            </div>
+
+            <div className="space-y-2">
+              <Label htmlFor="colorId">Couleur</Label>
+              <Select name="colorId" defaultValue="">
+                <SelectTrigger>
+                  <SelectValue placeholder="Couleur par défaut" />
+                </SelectTrigger>
+                <SelectContent>
+                  <SelectItem value="">Par défaut</SelectItem>
+                  <SelectItem value="1">Lavande</SelectItem>
+                  <SelectItem value="2">Sauge</SelectItem>
+                  <SelectItem value="3">Raisin</SelectItem>
+                  <SelectItem value="4">Flamant rose</SelectItem>
+                  <SelectItem value="5">Banane</SelectItem>
+                  <SelectItem value="6">Mandarine</SelectItem>
+                  <SelectItem value="7">Paon</SelectItem>
+                  <SelectItem value="8">Graphite</SelectItem>
+                  <SelectItem value="9">Myrtille</SelectItem>
+                  <SelectItem value="10">Basilic</SelectItem>
+                  <SelectItem value="11">Tomate</SelectItem>
+                </SelectContent>
+              </Select>
+            </div>
+
+            <div className="flex justify-end gap-2 pt-4">
+              <Button type="button" variant="outline" onClick={() => setAddEventModal(false)}>
+                Annuler
+              </Button>
+              <Button type="submit">
+                Créer l'événement
+              </Button>
+            </div>
+          </form>
+        </DialogContent>
+      </Dialog>
+
       <div className="fixed bottom-4 right-4">
         <MadeWithDyad />
       </div>
diff --git a/src/services/CalendarService.ts b/src/services/CalendarService.ts
index 4d3a226..89bbb37 100644
--- a/src/services/CalendarService.ts
+++ b/src/services/CalendarService.ts
@@ -91,6 +91,25 @@ class CalendarService {
       return false;
     }
   }
+
+  /**
+   * Créer un événement dans Google Calendar
+   */
+  async createEvent(eventData: {
+    title: string;
+    description?: string;
+    startDateTime: string;
+    endDateTime: string;
+    location?: string;
+    attendees?: string[];
+    reminders?: Array<{ method: string; minutes: number }>;
+    recurrence?: string[];
+    visibility?: string;
+    colorId?: string;
+  }): Promise<{ eventId: string; htmlLink: string }> {
+    const response = await axios.post(`${this.baseURL}/events`, eventData, this.getAuthHeader());
+    return response.data;
+  }
 }
 
 export default new CalendarService();