diff --git a/internal/app/ui/model.go b/internal/app/ui/model.go
index ca574f0..1257241 100644
--- a/internal/app/ui/model.go
+++ b/internal/app/ui/model.go
@@ -232,7 +232,15 @@ func (m *Model) printUserInput(prefix, input string) tea.Cmd {
 	return func() tea.Msg {
 		var highlightedInput string
 		if input != "" {
-			highlightedInput = m.highlighter(input)
+			h := lipgloss.Height(input)
+			var notice string
+			if h > 5 { // clamp text height to avoid rendering issues and long scrolling.
+				lines := strings.Split(input, "\n")
+				input = strings.Join(lines[:5], "\n")
+				notice = "\n" + m.styles.ClampNotice.Render(fmt.Sprintf("... (%d more lines)", h-5))
+			}
+
+			highlightedInput = m.highlighter(input) + notice
 		}
 
 		// used to separate previous user input from the current one with half straight line.
diff --git a/internal/app/ui/styles.go b/internal/app/ui/styles.go
index 0e98912..2a10f75 100644
--- a/internal/app/ui/styles.go
+++ b/internal/app/ui/styles.go
@@ -22,6 +22,9 @@ type Styles struct {
 
 	// StatusBar styles the status bar at the bottom.
 	StatusBar lipgloss.Style
+
+	// ClampNotice styles the notice when user input is clamped.
+	ClampNotice lipgloss.Style
 }
 
 func DefaultStyles() Styles {
@@ -48,5 +51,9 @@ func DefaultStyles() Styles {
 			Foreground(lipgloss.Color("#C4B5FD")).
 			Background(lipgloss.Color("#2A273F")).
 			Padding(0, 1),
+		ClampNotice: lipgloss.NewStyle().
+			Foreground(lipgloss.Color("#A78BFA")).
+			Italic(true).
+			Faint(true),
 	}
 }