:root{
/* Tappzi is a fully-rounded brand: nothing sharp, most things capsule */
--radius-pill:999px;
--radius-tile:20px;      /* number tile */
--radius-card:24px;
--radius-panel:28px;     /* yellow answer panel, dark sheet */
--radius-screen:44px;    /* phone / full-bleed surface */
--radius-chip:999px;
--radius-sm:12px;
}