diff --git a/apps/web/src/components/player-cards.tsx b/apps/web/src/components/player-cards.tsx
index e079e68..a77c388 100644
--- a/apps/web/src/components/player-cards.tsx
+++ b/apps/web/src/components/player-cards.tsx
@@ -1,7 +1,9 @@
+import { useEffect, useRef } from "react"
 import { AnimatePresence, motion } from "framer-motion"
 import { Check, Crown } from "lucide-react"
 import type { RoomSnapshot } from "@nerdware/shared"
 import { Avatar } from "@/components/avatar"
+import { celebrateLead } from "@/lib/confetti"
 
 interface PlayerCardsProps {
   snapshot: RoomSnapshot
@@ -27,6 +29,18 @@ export function PlayerCards({
     (a, b) => scoreOf(b.id) - scoreOf(a.id)
   )
   const voted = new Set(votedIds)
+  const leaderId = max > 0 ? ranked[0].id : null
+
+  // Confettis quand un joueur DÉPASSE pour prendre la tête (pas à la 1re prise).
+  const prevLeader = useRef<string | null>(null)
+  useEffect(() => {
+    if (leaderId && leaderId !== prevLeader.current) {
+      if (prevLeader.current !== null) {
+        celebrateLead()
+      }
+      prevLeader.current = leaderId
+    }
+  }, [leaderId])
 
   return (
     <div className="flex flex-wrap justify-center gap-2">
diff --git a/apps/web/src/lib/confetti.ts b/apps/web/src/lib/confetti.ts
index 0d96077..7f20fcb 100644
--- a/apps/web/src/lib/confetti.ts
+++ b/apps/web/src/lib/confetti.ts
@@ -34,3 +34,15 @@ export function celebrate(): void {
   }
   frame()
 }
+
+/** Petite salve quand un joueur prend la tête en cours de partie. */
+export function celebrateLead(): void {
+  confetti({
+    particleCount: 45,
+    spread: 70,
+    startVelocity: 30,
+    scalar: 0.8,
+    origin: { y: 0.25 },
+    colors: COLORS,
+  })
+}
diff --git a/apps/web/src/pages/room.tsx b/apps/web/src/pages/room.tsx
index 5c00307..05e0db4 100644
--- a/apps/web/src/pages/room.tsx
+++ b/apps/web/src/pages/room.tsx
@@ -1,4 +1,5 @@
 import { Link } from "wouter"
+import { AnimatePresence, motion } from "framer-motion"
 import { Button } from "@workspace/ui/components/button"
 import { useRoomStore } from "@/store/room"
 import { LobbyView } from "@/components/lobby-view"
@@ -51,11 +52,14 @@ export function RoomPage({ code }: { code: string }) {
     )
   }
 
-  // Cards de scores visibles en permanence pendant le jeu (suivi continu).
-  const inGame =
-    snapshot.status === "in_round" ||
-    snapshot.status === "reveal" ||
-    snapshot.status === "scores"
+  // Phase grossière : on n'anime qu'aux frontières lobby ↔ jeu ↔ fin pour
+  // préserver le lecteur YouTube entre in_round / reveal / scores.
+  const phase =
+    snapshot.status === "lobby"
+      ? "lobby"
+      : snapshot.status === "ended"
+        ? "ended"
+        : "game"
 
   return (
     <div className="flex min-h-svh items-start justify-center p-6 pt-12">
@@ -68,23 +72,34 @@ export function RoomPage({ code }: { code: string }) {
           />
         </header>
 
-        {inGame && (
-          <PlayerCards
-            snapshot={snapshot}
-            playerId={playerId}
-            showVoteStatus={snapshot.status === "in_round"}
-            votedIds={voteProgress?.voted}
-          />
-        )}
-
-        {snapshot.status === "lobby" && <LobbyView snapshot={snapshot} />}
-        {inGame &&
-          (round?.type === "blindtest" ? (
-            <BlindtestView snapshot={snapshot} />
-          ) : (
-            <QuizView snapshot={snapshot} />
-          ))}
-        {snapshot.status === "ended" && <GameEndView snapshot={snapshot} />}
+        <AnimatePresence mode="wait">
+          <motion.div
+            key={phase}
+            className="flex flex-col gap-6"
+            initial={{ opacity: 0, y: 12 }}
+            animate={{ opacity: 1, y: 0 }}
+            exit={{ opacity: 0, y: -12 }}
+            transition={{ duration: 0.22, ease: "easeOut" }}
+          >
+            {phase === "lobby" && <LobbyView snapshot={snapshot} />}
+            {phase === "game" && (
+              <>
+                <PlayerCards
+                  snapshot={snapshot}
+                  playerId={playerId}
+                  showVoteStatus={snapshot.status === "in_round"}
+                  votedIds={voteProgress?.voted}
+                />
+                {round?.type === "blindtest" ? (
+                  <BlindtestView snapshot={snapshot} />
+                ) : (
+                  <QuizView snapshot={snapshot} />
+                )}
+              </>
+            )}
+            {phase === "ended" && <GameEndView snapshot={snapshot} />}
+          </motion.div>
+        </AnimatePresence>
       </div>
 
       {boomKey > 0 && <Boom key={boomKey} />}