Update src/components/Viewport.css

src/components/Viewport.css

@@ -10,3 +10,46 @@
   width: 100% !important;
   height: 100% !important;
 }
+
+/* ── Floating gizmo toolbar ─────────────────────────────────── */
+.gizmo-toolbar {
+  position: absolute;
+  top: 10px;
+  left: 10px;
+  z-index: 10;
+  display: flex;
+  gap: 4px;
+  background: #0d0d22cc;
+  backdrop-filter: blur(8px);
+  border: 1px solid #2a2a4a;
+  border-radius: 8px;
+  padding: 5px;
+}
+
+.gizmo-btn {
+  display: flex;
+  align-items: center;
+  gap: 5px;
+  padding: 5px 10px;
+  border-radius: 5px;
+  border: 1px solid transparent;
+  background: transparent;
+  color: #666688;
+  cursor: pointer;
+  font-family: 'JetBrains Mono', monospace;
+  font-size: 9px;
+  font-weight: 700;
+  letter-spacing: 1px;
+  transition: all 0.15s;
+}
+.gizmo-btn:hover        { color: #aaaacc; background: #1e1e3a; }
+.gizmo-btn.active       { background: #1e1e4a; border-color: #5555cc; color: #aaaaff; }
+.gizmo-icon             { font-size: 14px; }
+.gizmo-key {
+  font-size: 8px;
+  color: #444466;
+  background: #111128;
+  padding: 1px 4px;
+  border-radius: 2px;
+  border: 1px solid #2a2a4a;
+}