.mail-auth-tool{max-width:1120px}.mail-auth-tool .diagnostic-panel{text-align:left}.mail-auth-tool fieldset{border:1px solid #94a3b84d;border-radius:10px;min-width:0;margin:1.4rem 0;padding:1rem}.mail-auth-tool legend{padding:0 .5rem;font-weight:650}.mail-auth-tool fieldset:disabled{opacity:.55}.mail-auth-grid,.mail-auth-records{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;display:grid}.mail-auth-options{flex-wrap:wrap;gap:0 2rem;display:flex}.mail-auth-tool small{color:var(--text-light,#526175);font-size:.85rem;font-weight:400;line-height:1.6}.mail-auth-tool pre{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--surface-muted,#f1f5f9);min-width:0;max-width:100%;color:inherit;text-align:left;border:1px solid #94a3b84d;border-radius:8px;margin:.75rem 0 1rem;padding:1rem;font-size:.9rem;line-height:1.7}.mail-auth-tool code{overflow-wrap:anywhere;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.mail-auth-record{border:1px solid #94a3b84d;border-top:3px solid #047857;border-radius:10px;min-width:0;padding:1.25rem}.mail-auth-tool h3{margin:0 0 1rem;font-size:1.1rem;line-height:1.5}.mail-auth-record dl{margin:1rem 0}.mail-auth-record dl>div{margin:.7rem 0}.mail-auth-record dt{color:var(--text-light,#526175);font-size:.8rem}.mail-auth-record dd{overflow-wrap:anywhere;margin:.2rem 0}.mail-auth-tool .mail-auth-value-label{margin-bottom:0;font-size:.85rem;font-weight:600}.mail-auth-review,.mail-auth-dns{border-top:1px solid #94a3b84d;margin-top:1.5rem;padding-top:1.5rem}.mail-auth-tool ul,.mail-auth-tool ol{margin:1rem 0;padding-left:1.4rem;list-style-position:outside}.mail-auth-tool ul{list-style-type:disc}.mail-auth-tool ol{list-style-type:decimal}.mail-auth-tool li{overflow-wrap:anywhere;margin:.7rem 0;line-height:1.7}.mail-auth-advanced{border-bottom:1px solid #94a3b84d;padding:1rem 0}.mail-auth-advanced summary{cursor:pointer;font-weight:650;line-height:1.6}.mail-auth-check{background:var(--surface-muted,#f8fafc);border-left:3px solid #b45309;border-radius:6px;margin:1rem 0;padding:1rem}.mail-auth-check.match{border-left-color:#047857}.mail-auth-check.unavailable{border-left-color:#64748b}.mail-auth-check h4{font-weight:700;line-height:1.5}.mail-auth-tool .mail-auth-meta{overflow-wrap:anywhere;font-size:.8rem}.mail-auth-related a{margin:.9rem 0;display:block}.mail-auth-notice{min-height:1.5em}[data-theme=dark] .mail-auth-tool pre,[data-theme=dark] .mail-auth-check{background:#101823}[data-theme=dark] .mail-auth-tool small,[data-theme=dark] .mail-auth-record dt{color:#a9b9cc}@media (width<=720px){.mail-auth-grid,.mail-auth-records{grid-template-columns:minmax(0,1fr)}.mail-auth-record{padding:1rem}.mail-auth-tool fieldset{padding:.75rem}}