:root{--ink:#14181f;--muted:#4a5464;--line:#d8dde5;--page:#fdfdfc;--panel:#fff;--accent:#1b4dd1;--fail:#8c1d18;--unknown:#6b4a00;--pass:#14532d}*{box-sizing:border-box}body{background:var(--page);color:var(--ink);margin:0;font:16px/1.55 system-ui,-apple-system,Segoe UI,sans-serif}main{max-width:42rem;margin:0 auto;padding:2.5rem 1.25rem 4rem}h1{margin:0 0 .5rem;font-size:1.6rem;line-height:1.25}h2{margin:2rem 0 .5rem;font-size:1.15rem}h3{margin:1.25rem 0 .25rem;font-size:1rem}p{margin:0 0 .75rem}a{color:var(--accent)}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.skip-link{position:absolute;left:-9999px}.skip-link:focus{background:var(--panel);padding:.5rem .75rem;top:1rem;left:1rem}.muted{color:var(--muted)}.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;margin:0 0 1rem;padding:1rem 1.1rem}button,.button{font:inherit;background:var(--accent);color:#fff;cursor:pointer;border:1px solid #0000;border-radius:6px;padding:.55rem 1rem;text-decoration:none;display:inline-block}button[disabled]{background:var(--line);color:var(--muted);cursor:not-allowed}.secondary{color:var(--accent);border-color:var(--line);background:0 0}ul.plain{margin:0;padding:0;list-style:none}ul.plain>li{border-top:1px solid var(--line);padding:.75rem 0}.result{font-weight:600}.result-pass{color:var(--pass)}.result-fail{color:var(--fail)}.result-inconclusive{color:var(--unknown)}.result-not-checked{color:var(--muted)}.address{word-break:break-all;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:1.05rem}label{margin:.75rem 0 .25rem;display:block}input[type=email],select{font:inherit;border:1px solid var(--line);background:var(--panel);width:100%;color:var(--ink);border-radius:6px;padding:.5rem}