diff --git a/ui/connectors_panel.py b/ui/connectors_panel.py
index 5350e98..3f2c47e 100644
--- a/ui/connectors_panel.py
+++ b/ui/connectors_panel.py
@@ -191,38 +191,58 @@ class JiraConnectDialog(QDialog):
     def _toggle_help_popup(self) -> None:
         """Show/hide a floating help popup when the ? button is clicked."""
         if self._help_popup is not None and self._help_popup.isVisible():
-            self._help_popup.hide()
-            self._help_popup.deleteLater()
+            self._help_popup.close()
             self._help_popup = None
             return
 
-        popup = QFrame(self)
-        popup.setWindowFlags(Qt.Popup | Qt.FramelessWindowHint)
-        popup.setAttribute(Qt.WA_DeleteOnClose, False)
+        # Use a small QDialog (not QFrame+Qt.Popup) — more reliable on macOS
+        popup = QDialog(self)
+        popup.setWindowFlags(Qt.Tool | Qt.FramelessWindowHint)
+        popup.setAttribute(Qt.WA_TranslucentBackground, False)
         popup.setStyleSheet("""
-            QFrame {
+            QDialog {
                 background: #2D2D2D;
                 border: 1px solid #5B9BD5;
                 border-radius: 8px;
-                padding: 12px;
             }
         """)
         popup_layout = QVBoxLayout(popup)
-        popup_layout.setContentsMargins(12, 10, 12, 10)
+        popup_layout.setContentsMargins(14, 12, 14, 12)
 
         content = QLabel(self._help_text)
         content.setWordWrap(True)
         content.setMaximumWidth(380)
-        content.setStyleSheet("color: #E0E0E0; font-size: 12px; background: transparent; border: none;")
+        content.setStyleSheet(
+            "color: #E0E0E0; font-size: 12px; background: transparent; border: none;"
+        )
         content.setTextFormat(Qt.RichText)
         content.setOpenExternalLinks(True)
         popup_layout.addWidget(content)
 
+        # Close button row
+        close_row = QHBoxLayout()
+        close_row.addStretch(1)
+        close_btn = QPushButton("✕")
+        close_btn.setFixedSize(24, 24)
+        close_btn.setStyleSheet("""
+            QPushButton {
+                border: none; background: transparent; color: #999;
+                font-size: 14px; font-weight: bold;
+            }
+            QPushButton:hover { color: #fff; }
+        """)
+        close_btn.clicked.connect(popup.close)
+        close_row.addWidget(close_btn)
+        popup_layout.addLayout(close_row)
+
         # Position below the help button
-        btn_global = self.help_icon.mapToGlobal(QPoint(0, self.help_icon.height()))
+        btn_global = self.help_icon.mapToGlobal(
+            QPoint(0, self.help_icon.height() + 4)
+        )
         popup.move(btn_global)
         popup.show()
         popup.raise_()
+        popup.activateWindow()
         self._help_popup = popup
 
     def _on_paste(self, text: str) -> None: