.sgn-tool{padding:16px;border:1px solid var(--line);border-radius:12px;background:var(--soft);margin-top:20px}.sgn-tool h2:first-child{margin-top:0}.sgn-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.sgn-tool button{margin-top:12px}.sgn-tool table{background:white;margin:12px 0}.sgn-tool caption{text-align:left;font-weight:700}.sgn-error{color:#a32216;font-weight:600}.sgn-tool [role=status]{font-weight:600}.sgn-faq details{border-bottom:1px solid var(--line);padding:12px 0}.sgn-faq summary{cursor:pointer;font-weight:600}@media(max-width:520px){.sgn-grid{grid-template-columns:1fr}.sgn-tool{padding:12px}.sgn-tool table{font-size:.94rem}}