:root{--bg:#F5F7FA;--panel:#FFFFFF;--alt:#EAEFF5;--line:#D5DCE6;--text:#14213D;--muted:#4F5D75;--accent:#0E7C66;--accent-ink:#FFFFFF;--focus:#1D4ED8;--danger:#B42318;--sans:"Avenir Next","Segoe UI","Helvetica Neue",Arial,sans-serif;--display:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;--mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;--h-weight:600;color-scheme:light}