:root{--color-bg:#fff;--color-surface:#fbfaf9;--color-foreground:#0f172a;--color-muted:#6b7280;--color-primary:#b58265;--color-primary-foreground:#fff;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--shadow-sm:0 1px 2px rgba(15,23,42,.05);--shadow-md:0 6px 18px rgba(15,23,42,.08);--font-sans:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial;--text-lg:1.125rem;--text-base:1rem;--text-sm:0.875rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.5rem 1rem;font-weight:600}.btn,.card{border-radius:var(--radius-md)}.card{background:var(--color-bg);box-shadow:var(--shadow-sm)}