diff --git a/client/lucy-desktop/src/renderer/src/components/Avatar3D.tsx b/client/lucy-desktop/src/renderer/src/components/Avatar3D.tsx
index 91f5245..e1893fb 100644
--- a/client/lucy-desktop/src/renderer/src/components/Avatar3D.tsx
+++ b/client/lucy-desktop/src/renderer/src/components/Avatar3D.tsx
@@ -193,8 +193,8 @@ function VrmModel({ url, audioLevel, emotion, status, cursor, pat, dance, onErro
     const cur = cursor?.current
     if (cur) {
       const hx = Math.max(-1, Math.min(1, cur.x)), hy = Math.max(-1, Math.min(1, cur.y))
-      addBone(vrm, "neck", hy * 0.06, hx * 0.10, 0)
-      addBone(vrm, "head", hy * 0.08, hx * 0.14, 0)
+      addBone(vrm, "neck", -hy * 0.06, hx * 0.10, 0)
+      addBone(vrm, "head", -hy * 0.08, hx * 0.14, 0)
     }
     // Antippen/Streicheln: kurze freudige Reaktion (Kopf-Wackeln; Laecheln in der Mimik unten)
     if (pat && pat.current !== lastPat.current) { lastPat.current = pat.current; patReact.current = 1 }
@@ -229,7 +229,7 @@ function VrmModel({ url, audioLevel, emotion, status, cursor, pat, dance, onErro
         camUp.current.set(e[4], e[5], e[6]).normalize()
         const cx = Math.max(-1.5, Math.min(1.5, cur.x)), cy = Math.max(-1.5, Math.min(1.5, cur.y))
         gaze.current.position.addScaledVector(camRight.current, cx * 1.8)
-        gaze.current.position.addScaledVector(camUp.current, -cy * 1.8)
+        gaze.current.position.addScaledVector(camUp.current, cy * 1.8)
       }
       // dezente Blick-Mikrobewegung (Sakkaden) -> das Gesicht wirkt nicht eingefroren
       const s = sac.current
@@ -289,7 +289,8 @@ export function Avatar3D({ url, audioLevel, emotion, status = "idle", cursor, pa
   const statusRef = useRef(status); statusRef.current = status
   return (
     <div className="avatarCanvas" style={{ position: "relative", height: "100%", width: "100%" }}>
-      <Canvas camera={{ position: [0, 1.35, 1.25], fov: 30 }} gl={{ alpha: true, antialias: true }} style={{ background: "transparent" }}>
+      <Canvas camera={{ position: [0, 1.35, 1.25], fov: 30 }} dpr={[1, 1.5]}
+        gl={{ alpha: true, antialias: true, powerPreference: "high-performance" }} style={{ background: "transparent" }}>
         <ambientLight intensity={0.85} />
         <directionalLight position={[1, 2, 2]} intensity={1.1} />
         <directionalLight position={[-1, 1, -1]} intensity={0.4} />
diff --git a/client/lucy-desktop/src/renderer/src/styles.css b/client/lucy-desktop/src/renderer/src/styles.css
index 90849ff..6009ed4 100644
--- a/client/lucy-desktop/src/renderer/src/styles.css
+++ b/client/lucy-desktop/src/renderer/src/styles.css
@@ -57,12 +57,12 @@ body {
     linear-gradient(180deg, #0b0b15 0%, #07070d 100%);
   box-shadow: inset 0 0 130px 36px rgba(0,0,0,0.55);   /* Vignette -> Tiefe */
 }
-.digitalRoom::before {  /* sanft driftendes Aurora-Licht */
-  content: ""; position: absolute; inset: -20%; z-index: 0;
+.digitalRoom::before {  /* sanft driftendes Aurora-Licht (KEIN filter:blur -> Verlaeufe sind weich genug, spart GPU) */
+  content: ""; position: absolute; inset: -20%; z-index: 0; will-change: transform;
   background:
     radial-gradient(40% 40% at 30% 32%, rgba(125,211,252,0.12), transparent 70%),
     radial-gradient(45% 45% at 74% 42%, rgba(167,139,250,0.12), transparent 70%);
-  filter: blur(22px); animation: auroraDrift 22s ease-in-out infinite alternate;
+  animation: auroraDrift 26s ease-in-out infinite alternate;
 }
 .digitalRoom::after {  /* perspektivisches Neon-Gitter am Boden */
   content: ""; position: absolute; left: -25%; right: -25%; bottom: -12%; height: 58%;
@@ -73,21 +73,15 @@ body {
   -webkit-mask-image: linear-gradient(transparent, #000 65%);
   animation: gridDrift 14s linear infinite;
 }
-/* schwebende Partikel (zwei Ebenen -> Parallax-Tiefe), nahtlos gekachelt */
+/* schwebende Partikel (eine Ebene, nahtlos gekachelt) -> dezente Tiefe, guenstig */
 .dust {
-  position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: 0.7;
-  background-image: radial-gradient(1.6px 1.6px at 50% 50%, rgba(125,211,252,0.55), transparent 60%);
-  background-size: 96px 96px; animation: dustRise 24s linear infinite;
-}
-.dust::after {
-  content: ""; position: absolute; inset: 0;
-  background-image: radial-gradient(1.3px 1.3px at 30% 70%, rgba(167,139,250,0.5), transparent 60%);
-  background-size: 140px 140px; animation: dustRise2 38s linear infinite;
+  position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: 0.6;
+  background-image: radial-gradient(1.6px 1.6px at 50% 50%, rgba(125,211,252,0.5), transparent 60%);
+  background-size: 110px 110px; animation: dustRise 30s linear infinite;
 }
 @keyframes gridDrift { to { background-position: 0 46px, 46px 0; } }
 @keyframes auroraDrift { from { transform: translate(-3%, -2%) scale(1); } to { transform: translate(4%, 3%) scale(1.08); } }
-@keyframes dustRise { to { background-position: 0 -96px; } }
-@keyframes dustRise2 { to { background-position: 0 -140px; } }
+@keyframes dustRise { to { background-position: 0 -110px; } }
 .app.overlay .digitalRoom { display: none; }   /* Overlay floatet -> nur Avatar + Aura */
 
 .aura { position: absolute; inset: 0; z-index: 1; pointer-events: none; will-change: transform, opacity; }