fix: mic test level bar dynamic color too

tools/chatgui/src/audiodevicesettingspage.cpp

@@ -60,10 +60,6 @@ AudioDeviceSettingsPage::AudioDeviceSettingsPage(DbManager* db, AudioRecorder* r
     m_micLevelBar->setValue(0);
     m_micLevelBar->setTextVisible(false);
     m_micLevelBar->setFixedHeight(16);
-    m_micLevelBar->setStyleSheet(
-        "QProgressBar { border: 1px solid palette(mid); border-radius: 4px; background: #333; }"
-        "QProgressBar::chunk { background: qlineargradient(x1:0, y1:0, x2:1, y2:0,"
-        " stop:0 #27ae60, stop:0.6 #f1c40f, stop:1 #e74c3c); border-radius: 3px; }");
     micRow->addWidget(m_micLevelBar, 1);
 
     m_testMicBtn = new QPushButton("Test Microphone", this);
@@ -295,6 +291,10 @@ void AudioDeviceSettingsPage::onLevelTimer() {
     if (pct < 0) pct = 0;
     if (pct > 100) pct = 100;
     m_micLevelBar->setValue(pct);
+    const char* color = pct < 60 ? "#27ae60" : pct < 85 ? "#f1c40f" : "#e74c3c";
+    m_micLevelBar->setStyleSheet(QString(
+        "QProgressBar { border: 1px solid palette(mid); border-radius: 4px; background: #333; }"
+        "QProgressBar::chunk { background: %1; border-radius: 3px; }").arg(color));
 }
 
 void AudioDeviceSettingsPage::onTestSpeaker() {