Toast notifications replace the inline saved banners, and every form modal now runs through one shared dialog shell. Shared trips explain themselves: a role badge on the trips list, and a plain-language line saying what each role grants where one is picked or accepted. Trip detail's section switcher moved onto PrimeNG Tabs, which brings the keyboard navigation and tab-to-panel ARIA the hand-rolled strip never had. A screen's actions are now grouped by count: two or more still live in the "Más opciones" kebab, a lone one shows as itself. Mobile fixes: a form's submit button no longer opens looking pressed — a touch hover that sticks when the modal lands under the finger — and opening a form moves focus into the dialog instead of leaving it on the launcher behind the mask.