fix: level bar dynamic color — red only above 85%

tools/chatgui/src/inputbar.cpp

@@ -295,5 +295,9 @@ void InputBar::updateRecordingUI(int ms) {
         int pct = (int)((db + 70.0f) / 70.0f * 100.0f);
         if (pct < 0) pct = 0; if (pct > 100) pct = 100;
         m_levelBar->setValue(pct);
+        const char* color = pct < 60 ? "#27ae60" : pct < 85 ? "#f1c40f" : "#e74c3c";
+        m_levelBar->setStyleSheet(QString(
+            "QProgressBar { border: 1px solid rgba(255,255,255,0.2); border-radius: 3px; background: rgba(0,0,0,0.3); }"
+            "QProgressBar::chunk { background: %1; border-radius: 2px; }").arg(color));
     }
 }