package tui type Checkbox struct { Label string Checked bool } func (c *Checkbox) Toggle() { c.Checked = !c.Checked } func (c Checkbox) Render(focused bool) string { marker := checkBoxUnchecked if c.Checked { marker = checkBoxChecked } style := labelStyle if focused { style = focusedStyle.Bold(true) } return style.Render(marker + " " + c.Label) }