diff --git a/internal/tmux/client.go b/internal/tmux/client.go
index 52e91c0..e37ae01 100644
--- a/internal/tmux/client.go
+++ b/internal/tmux/client.go
@@ -179,14 +179,19 @@ func (c *Client) SendKeysToPane(session string, pane *Pane, keys string) error {
 	if err := cmd.Run(); err != nil {
 		return err
 	}
-	time.Sleep(10 * time.Millisecond)
-	// Send double Enter for multi-line content (3+ lines) to signal paste completion
-	args := []string{"send-keys", "-t", target, "Enter"}
-	if strings.Count(keys, "\n") >= 2 {
-		args = append(args, "Enter")
+	time.Sleep(50 * time.Millisecond)
+	// Send first Enter
+	cmd = exec.Command("tmux", "send-keys", "-t", target, "Enter")
+	if err := cmd.Run(); err != nil {
+		return err
 	}
-	cmd = exec.Command("tmux", args...)
-	return cmd.Run()
+	// Send second Enter for multi-line content to signal paste completion
+	if strings.Count(keys, "\n") >= 1 {
+		time.Sleep(30 * time.Millisecond)
+		cmd = exec.Command("tmux", "send-keys", "-t", target, "Enter")
+		return cmd.Run()
+	}
+	return nil
 }
 
 // SendKeysRaw sends keys to a tmux session without auto-Enter
diff --git a/internal/tui/model.go b/internal/tui/model.go
index 41985a7..6104418 100644
--- a/internal/tui/model.go
+++ b/internal/tui/model.go
@@ -284,7 +284,11 @@ func (m *Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		}
 		m.promptField.SetWidth(promptWidth)
 		if m.pathPickerMode {
-			m.pathPickerList.SetSize(msg.Width-18, msg.Height-18)
+			listHeight := msg.Height - 10
+			if listHeight < 5 {
+				listHeight = 5
+			}
+			m.pathPickerList.SetSize(msg.Width-10, listHeight)
 		}
 	}
 
@@ -625,6 +629,16 @@ func (m *Model) handleKey(msg tea.KeyMsg) tea.Cmd {
 		m.confirmQuit = true
 		return nil
 
+	case "esc":
+		if m.selected < len(m.sessions) {
+			session := m.sessions[m.selected]
+			if session.State == claude.StateUrgent || session.State == claude.StateActive || session.State == claude.StateThinking {
+				_ = m.tmux.SendKeysToPaneRaw(session.Name, session.ClaudePane, "Escape")
+				m.addActivity(session.Name, "Sent Escape")
+				return nil
+			}
+		}
+
 	case "?":
 		m.showHelp = true
 
@@ -865,12 +879,16 @@ func (m *Model) buildPathList() list.Model {
 		items = append(items, pathItem{path: cwd, source: "cwd"})
 	}
 
-	l := list.New(items, newPathDelegate(), 0, 0)
+	// Calculate list size: container(height-4) - border(2) - padding(2) - help+empty(2) = height-10
+	listHeight := m.height - 10
+	if listHeight < 5 {
+		listHeight = 5
+	}
+	l := list.New(items, newPathDelegate(), m.width-10, listHeight)
 	l.Title = m.pathPickerTitle()
 	l.SetShowStatusBar(false)
 	l.SetFilteringEnabled(true)
 	l.Styles.Title = l.Styles.Title.Foreground(colorPrimary).Bold(true)
-	l.SetSize(m.width-18, m.height-18)
 	return l
 }
 
diff --git a/internal/tui/view.go b/internal/tui/view.go
index eedbc95..a058bf9 100644
--- a/internal/tui/view.go
+++ b/internal/tui/view.go
@@ -91,10 +91,10 @@ func (m *Model) View() string {
 		borderOverhead = 4 // horizontal dividers
 	)
 
-	// Calculate prompt panel height (dynamic based on textarea content)
+	// Calculate prompt panel height (use textarea's actual configured height)
 	promptLines := 1 // header
 	if m.promptMode {
-		promptLines += strings.Count(m.promptField.Value(), "\n") + 1
+		promptLines += m.promptField.Height()
 	} else {
 		promptLines += 1 // hint line
 	}
@@ -467,7 +467,23 @@ func (m *Model) viewPreview(width, height int) string {
 		content = m.previewCache[sess.Name]
 	}
 	if content != "" {
-		contentLines := strings.Split(strings.TrimSpace(content), "\n")
+		// Wrap lines to fit preview width
+		rawLines := strings.Split(strings.TrimSpace(content), "\n")
+		var contentLines []string
+		maxLineWidth := width - 2
+		if maxLineWidth < 10 {
+			maxLineWidth = 10
+		}
+		for _, line := range rawLines {
+			if ansi.StringWidth(line) <= maxLineWidth {
+				contentLines = append(contentLines, line)
+			} else {
+				// Wrap long lines
+				wrapped := ansi.Hardwrap(line, maxLineWidth, false)
+				contentLines = append(contentLines, strings.Split(wrapped, "\n")...)
+			}
+		}
+
 		availableHeight := height - len(lines) - 1
 		scrollPos := m.previewScrollPos[sess.Name]
 
@@ -490,9 +506,6 @@ func (m *Model) viewPreview(width, height int) string {
 		}
 
 		for _, line := range contentLines[start:end] {
-			if ansi.StringWidth(line) > width-2 {
-				line = ansi.Truncate(line, width-2, "")
-			}
 			lines = append(lines, " "+line)
 			if len(lines) >= height-1 {
 				break
@@ -756,12 +769,18 @@ func (m *Model) viewPathPicker() string {
 	listView := m.pathPickerList.View()
 	content := lipgloss.JoinVertical(lipgloss.Left, listView, "", help)
 
+	// Calculate available height: total - border(2) - padding(2)
+	availableHeight := m.height - 4
+	if availableHeight < 10 {
+		availableHeight = 10
+	}
+
 	return lipgloss.NewStyle().
 		Border(lipgloss.RoundedBorder()).
 		BorderForeground(colorPrimary).
 		Padding(1, 2).
 		Width(m.width - 4).
-		Height(m.height - 4).
+		MaxHeight(availableHeight).
 		Render(content)
 }