:root{--c-bg:#fff;--c-surface:#f6f7f9;--c-text:#16181d;--c-muted:#5b6270;--c-border:#dde0e6;--c-accent:#0b5fff;--c-accent-ink:#fff;--c-focus:#0b5fff;
--font:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--font-mono:ui-monospace,SFMono-Regular,Menlo,monospace;
--fs-s:.875rem;--fs-m:1.0625rem;--fs-l:1.375rem;--fs-xl:clamp(1.9rem,4vw,2.75rem);--lh:1.65;
--sp-1:.25rem;--sp-2:.5rem;--sp-3:1rem;--sp-4:1.5rem;--sp-5:2.5rem;--sp-6:4rem;--radius:.5rem;--shadow:0 1px 3px rgb(0 0 0/.08),0 4px 14px rgb(0 0 0/.05);--w-content:44rem;--w-wide:68rem}