:root{--ch-navy:#0B1F3B;--ch-blue:#007BFF;--ch-orange:#FF7A00;--ch-off:#F6F8FB;--ch-text:#1F2937}button,a,input,select,textarea{outline-offset:2px}:focus-visible{outline:3px solid var(--ch-orange)}.ch-empty{padding:18px;border:1px dashed #cbd5e1;border-radius:14px;background:var(--ch-off)}