:root{color-scheme:light dark;font-family:system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.5}body{margin:0;background:Canvas;color:CanvasText}.pagina{max-width:40rem;margin:0 auto;padding:2rem 1rem}.cartao{border:1px solid color-mix(in srgb,CanvasText 20%,transparent);border-radius:.5rem;padding:1rem 1.25rem;margin-bottom:1rem}.botao{font:inherit;padding:.6rem 1.1rem;border:0;border-radius:.375rem;background:#003a70;color:#fff;cursor:pointer}.botao.secundario{background:transparent;color:inherit;border:1px solid color-mix(in srgb,CanvasText 35%,transparent)}.discreto{opacity:.7;font-size:.9rem}.erro{color:#b3261e}