Method centerModal

internal/tui/help.go:255–293

centerModal centers the modal on the screen.

(modal string)

// centerModal centers the modal on the screen.
func (h *HelpOverlay) centerModal(modal string) string {
	lines := strings.Split(modal, "\n")
	modalHeight := len(lines)
	modalWidth := 0
	for _, line := range lines {
		if lipgloss.Width(line) > modalWidth {
			modalWidth = lipgloss.Width(line)
		}
	}

	// Calculate padding
	topPadding := (h.height - modalHeight) / 2
	leftPadding := (h.width - modalWidth) / 2

	if topPadding < 0 {
		topPadding = 0
	}
	if leftPadding < 0 {
		leftPadding = 0
	}

	// Build centered content
	var result strings.Builder

	// Top padding
	for i := 0; i < topPadding; i++ {
		result.WriteString("\n")
	}

	// Modal lines with left padding
	leftPad := strings.Repeat(" ", leftPadding)
	for _, line := range lines {
		result.WriteString(leftPad)
		result.WriteString(line)
		result.WriteString("\n")
	}

	return result.String()
}