diff --git a/src/pages/MeetingRoom.tsx b/src/pages/MeetingRoom.tsx
index 18aa844..89c5065 100644
--- a/src/pages/MeetingRoom.tsx
+++ b/src/pages/MeetingRoom.tsx
@@ -77,6 +77,28 @@ interface PeerData {
   presence_ref: string;
 }
 
+// Detector nativo de suporte ao WebGL
+function isWebGLAvailable() {
+  try {
+    const canvas = document.createElement('canvas');
+    return !!(
+      window.WebGLRenderingContext && 
+      (canvas.getContext('webgl') || canvas.getContext('experimental-webgl'))
+    );
+  } catch (e) {
+    return false;
+  }
+}
+
+// Hook de verificação de suporte a WebGL no cliente
+function useWebGLSupport() {
+  const [supported, setSupported] = useState(true);
+  useEffect(() => {
+    setSupported(isWebGLAvailable());
+  }, []);
+  return supported;
+}
+
 // --- Configurações da Mesa de Reunião ---
 const CHAIRS = [
   { id: '1', name: 'Assento 1', pos: [-1.2, 0.95, -1.45], rot: [0, 0, 0], lookAt: [0, 0.95, 0] },
@@ -930,6 +952,7 @@ function ThreeMeetingRoomScene({ currentActiveModel, presentationState, isFocusM
 // --- Componente Principal da Tela ---
 
 export default function MeetingRoom() {
+  const isWebGLSupported = useWebGLSupport();
   const { roomId } = useParams<{ roomId?: string }>();
   const navigate = useNavigate();
   const models = useModelStore((s) => s.models);
@@ -1352,12 +1375,22 @@ export default function MeetingRoom() {
               
               {/* Enquadramento centralizado perfeito (Camera apontando e fov adequado) */}
               <div className="h-40 w-full flex items-center justify-center relative bg-slate-900/60 rounded-lg overflow-hidden border border-border">
-                <Canvas camera={{ position: [0, 0.11, 0.28], fov: 42 }}>
-                  <ambientLight intensity={0.8} />
-                  <directionalLight position={[2, 3, 2]} intensity={1.5} />
-                  <pointLight position={[0, 0.15, 0.2]} intensity={1} color={currentAvatar.color} />
-                  <MiiAvatar avatarId={selectedAvatar} username={name || 'Você'} position={[0, -0.04, 0]} isTalking={true} scale={0.6} />
-                </Canvas>
+                {isWebGLSupported ? (
+                  <Canvas camera={{ position: [0, 0.11, 0.28], fov: 42 }}>
+                    <ambientLight intensity={0.8} />
+                    <directionalLight position={[2, 3, 2]} intensity={1.5} />
+                    <pointLight position={[0, 0.15, 0.2]} intensity={1} color={currentAvatar.color} />
+                    <MiiAvatar avatarId={selectedAvatar} username={name || 'Você'} position={[0, -0.04, 0]} isTalking={true} scale={0.6} />
+                  </Canvas>
+                ) : (
+                  <div className="flex flex-col items-center justify-center h-full w-full bg-slate-950/80 p-4 text-center">
+                    <ShieldAlert className="h-7 w-7 text-amber-500 animate-pulse mb-1" />
+                    <span className="font-mono text-[9px] font-bold text-amber-500 uppercase tracking-wider">WebGL Desativado</span>
+                    <span className="text-[8px] text-slate-400 mt-1 max-w-[180px] leading-relaxed">
+                      Aceleração por hardware inativa. O avatar 3D não pôde ser pré-visualizado.
+                    </span>
+                  </div>
+                )}
 
                 {/* Aviso se o avatar estiver em uso na sala */}
                 {isAvatarInUse && (
@@ -1514,41 +1547,67 @@ export default function MeetingRoom() {
     <div className="flex h-screen overflow-hidden bg-slate-950 text-white relative animate-in fade-in duration-350">
       {/* 3D Canvas - Sala Clara */}
       <div className="flex-1 h-full relative">
-        <Canvas camera={{ position: [0, 2.5, 2.8], fov: 45 }} shadows gl={{ localClippingEnabled: true }}>
-          <ThreeMeetingRoomScene currentActiveModel={activeModel} presentationState={presentationState} isFocusMode={isFocusMode} />
-          
-          {/* Renderizar avatares de TODOS na sala - Ocultados se modo foco */}
-          {!isFocusMode && Object.keys(peers).map((chairKey) => {
-            const peer = peers[chairKey];
-            const chairConf = CHAIRS.find((c) => c.id === peer.chairId);
-            if (!chairConf) return null;
+        {isWebGLSupported ? (
+          <Canvas camera={{ position: [0, 2.5, 2.8], fov: 45 }} shadows gl={{ localClippingEnabled: true }}>
+            <ThreeMeetingRoomScene currentActiveModel={activeModel} presentationState={presentationState} isFocusMode={isFocusMode} />
             
-            const isLocalUser = peer.chairId === selectedChair;
+            {/* Renderizar avatares de TODOS na sala - Ocultados se modo foco */}
+            {!isFocusMode && Object.keys(peers).map((chairKey) => {
+              const peer = peers[chairKey];
+              const chairConf = CHAIRS.find((c) => c.id === peer.chairId);
+              if (!chairConf) return null;
+              
+              const isLocalUser = peer.chairId === selectedChair;
 
-            return (
-              <MiiAvatar
-                key={peer.presence_ref}
-                avatarId={peer.avatarId}
-                username={isLocalUser ? `${peer.username} (Você)` : peer.username}
-                position={chairConf.pos}
-                rotation={chairConf.rot}
-                isTalking={isLocalUser ? isTalking : (isTalking && Math.random() > 0.5)}
-                isLastChatSender={peer.username === lastChatSender}
-                scale={1.2}
-              />
-            );
-          })}
+              return (
+                <MiiAvatar
+                  key={peer.presence_ref}
+                  avatarId={peer.avatarId}
+                  username={isLocalUser ? `${peer.username} (Você)` : peer.username}
+                  position={chairConf.pos}
+                  rotation={chairConf.rot}
+                  isTalking={isLocalUser ? isTalking : (isTalking && Math.random() > 0.5)}
+                  isLastChatSender={peer.username === lastChatSender}
+                  scale={1.2}
+                />
+              );
+            })}
 
-          <OrbitControls
-            makeDefault
-            enableDamping
-            dampingFactor={0.05}
-            minDistance={0.5}
-            maxDistance={8}
-            maxPolarAngle={Math.PI / 2 - 0.05}
-            target={isFocusMode ? [0, 0, 0] : [0, 0.95, 0]}
-          />
-        </Canvas>
+            <OrbitControls
+              makeDefault
+              enableDamping
+              dampingFactor={0.05}
+              minDistance={0.5}
+              maxDistance={8}
+              maxPolarAngle={Math.PI / 2 - 0.05}
+              target={isFocusMode ? [0, 0, 0] : [0, 0.95, 0]}
+            />
+          </Canvas>
+        ) : (
+          <div className="flex-1 h-full flex flex-col items-center justify-center p-8 bg-slate-900 border border-slate-800 rounded-xl m-4 relative overflow-hidden">
+            <div className="absolute inset-0 bg-gradient-to-br from-slate-950 via-slate-900 to-slate-950 opacity-95 z-0" />
+            <div className="relative z-10 max-w-md text-center space-y-4">
+              <div className="mx-auto w-16 h-16 rounded-full bg-amber-500/10 border border-amber-500/30 flex items-center justify-center animate-pulse">
+                <ShieldAlert className="h-8 w-8 text-amber-500" />
+              </div>
+              <div className="space-y-2">
+                <h3 className="text-xl font-bold tracking-tight text-slate-100 font-mono uppercase">WebGL Requerido</h3>
+                <p className="text-xs text-slate-400 leading-relaxed">
+                  Aceleração por hardware (WebGL) está desativada ou não é suportada por seu navegador/dispositivo atual.
+                </p>
+              </div>
+              <div className="bg-slate-950/80 rounded-lg p-4 text-left border border-slate-800 text-[11px] font-mono text-slate-400 space-y-2">
+                <span className="text-amber-500 font-bold uppercase block text-[10px] tracking-wider mb-1">Como resolver no Chrome:</span>
+                <p>1. Vá em <code className="text-primary">chrome://settings/system</code></p>
+                <p>2. Ative <code className="text-primary">"Usar aceleração de hardware quando disponível"</code></p>
+                <p>3. Reinicie o navegador e recarregue esta página.</p>
+              </div>
+              <div className="text-[10px] text-muted-foreground italic">
+                * Nota: O chat lateral, lista de participantes e chamadas continuam funcionando normalmente.
+              </div>
+            </div>
+          </div>
+        )}
 
         {/* Painel do Apresentador (Controles de Manipulação Sincronizados) */}
         {isPresenter && (