:root{--brand-blue:#1565d8;--brand-cyan:#22c3f3;--brand-ink:#2b2f36;--brand-silver:#b8bec6;--surface:#f4f6f8;--card:#fff;--muted:#5a6270;--danger:#b42318;--danger-bg:#fef3f2;--warning:#93370d;--warning-bg:#fffaeb;--success:#067647;--success-bg:#ecfdf3;--radius:12px;--tap:44px}*,:before,:after{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--surface);min-height:100dvh;color:var(--brand-ink);-webkit-text-size-adjust:100%;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.5}a{color:var(--brand-blue)}button,input,select{font:inherit}:focus-visible{outline:3px solid var(--brand-cyan);outline-offset:2px}