diff --git a/ui.go b/ui.go
index 5e073b8..a3dfae2 100644
--- a/ui.go
+++ b/ui.go
@@ -692,11 +692,18 @@ func buildContactsTab(parts *uiParts, svc ServiceFacade) fyne.CanvasObject {
 	certEntry.SetMinRowsVisible(8)
 	certEntry.Wrapping = fyne.TextWrapWord
 	// Detail toolbar
+	pasteAction := widget.NewToolbarAction(theme.ContentPasteIcon(), func() {
+		clip := fyne.CurrentApp().Clipboard().Content()
+		if strings.TrimSpace(clip) == "" {
+			parts.showToast("Schránka prázdná")
+			return
+		}
+		certEntry.SetText(clip)
+		parts.showToast("Vloženo ze schránky")
+	})
 	certToolbar := widget.NewToolbar(
 		widget.NewToolbarAction(theme.ContentCopyIcon(), func() { copyClip(certEntry.Text, parts) }),
-		widget.NewToolbarAction(theme.ContentPasteIcon(), func() {
-			certEntry.SetText(fyne.CurrentApp().Clipboard().Content())
-		}),
+		pasteAction,
 		widget.NewToolbarAction(theme.ContentClearIcon(), func() { certEntry.SetText("") }),
 	)
 	// helper pro generování default názvu
@@ -831,6 +838,10 @@ func buildContactsTab(parts *uiParts, svc ServiceFacade) fyne.CanvasObject {
 		draft = &Contact{ID: "__draft__", Name: makeDefaultName(), Cert: ""}
 		nameEntry.SetText(draft.Name)
 		certEntry.SetText("")
+		// Pokud je ve schránce PEM / CERT, automaticky ho vlož
+		if clip := fyne.CurrentApp().Clipboard().Content(); strings.Contains(clip, "BEGIN ") && strings.Contains(clip, "PUBLIC") || strings.Contains(clip, "CERTIFICATE") {
+			certEntry.SetText(clip)
+		}
 		// auto select all text in name so user can immediately přepsat
 		fyne.CurrentApp().Driver().CanvasForObject(nameEntry).Focus(nameEntry)
 		nameEntry.TypedShortcut(&fyne.ShortcutSelectAll{})