:root{--bg:#07080b;--panel:#101218;--line:#282e39;--text:#f6f7f9;--muted:#929aaa;--dim:#697181;--ok:#b8e7c3;--bad:#f2bfc2;--accent:#fff}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 50% -10%,#1d2330,#07080b 43%);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}.wrap{width:min(1160px,calc(100% - 34px));margin:auto}
.top{height:78px;display:flex;align-items:center;justify-content:space-between}.logo{color:#fff;text-decoration:none;font-size:24px;font-weight:900;letter-spacing:-1px}.logo span{color:#707989}.server{font-size:11px;color:var(--muted);border:1px solid var(--line);padding:8px 12px;border-radius:999px}.server.ok{color:var(--ok);border-color:#2b4c34}.server.bad{color:var(--bad);border-color:#4d2c30}
.intro{text-align:center;padding:66px 0 42px}.eyebrow{font-size:10px;letter-spacing:3px;color:#727b8a;font-weight:850}.intro h1{font-size:clamp(48px,7vw,82px);line-height:.95;letter-spacing:-5px;margin:18px 0}.intro h1 i{font-style:normal;color:#727b8a}.intro p{max-width:720px;margin:auto;color:var(--muted);line-height:1.7;font-size:15px}
.diag{background:#0d1015;border:1px solid var(--line);border-radius:16px;padding:18px;margin:0 0 18px}.diaghead{display:flex;align-items:center;justify-content:space-between;gap:15px}.diaghead strong{display:block;font-size:14px}.diaghead span{display:block;color:var(--muted);font-size:11px;margin-top:4px}.diaghead button{background:#171b23;color:#fff;border:1px solid #303641;border-radius:9px;padding:8px 12px;font-size:11px;cursor:pointer}.diaggrid{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-top:15px}.diagitem{border:1px solid #292f39;background:#10131a;border-radius:10px;padding:12px}.diagitem b{display:block;font-size:11px}.diagitem span{display:block;font-size:10px;color:var(--muted);margin-top:5px;word-break:break-word}.diagitem.ok{border-color:#284731}.diagitem.ok span{color:var(--ok)}.diagitem.bad{border-color:#4a292c}.diagitem.bad span{color:var(--bad)}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.card{background:rgba(15,17,23,.96);border:1px solid var(--line);border-radius:17px;padding:20px}.head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.name{font-size:18px;font-weight:850}.domain{font-size:10px;color:var(--dim);border:1px solid var(--line);padding:6px 8px;border-radius:999px}.inputrow{display:flex;background:#090b0f;border:1px solid #2a3039;border-radius:11px;overflow:hidden}.inputrow input{min-width:0;flex:1;background:transparent;color:#fff;border:0;outline:0;padding:14px;font-size:13px}.inputrow button{border:0;background:#f4f5f7;color:#090a0c;font-weight:850;padding:0 15px;cursor:pointer}.inputrow button:disabled{opacity:.5}.msg{font-size:12px;line-height:1.5;color:var(--muted);margin-top:10px;min-height:18px}.msg.ok{color:var(--ok)}.msg.err{color:var(--bad)}.formats{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:11px}.format{display:flex;align-items:center;justify-content:space-between;gap:8px;background:#171a22;border:1px solid #2b303a;border-radius:9px;padding:9px}.format span{font-size:10px;color:#aeb6c2}.format a{background:#fff;color:#08090b;text-decoration:none;border-radius:7px;padding:7px 9px;font-size:10px;font-weight:850}
.notes{border-top:1px solid #1a1e26;margin-top:60px;padding:32px 0}.notes h2{font-size:18px;margin:0 0 8px}.notes p{max-width:800px;color:#697181;font-size:11px;line-height:1.7}footer{border-top:1px solid #1a1e26;padding:24px 0 38px;color:#4e5664;font-size:11px}
@media(max-width:800px){.grid,.diaggrid{grid-template-columns:1fr}.intro h1{letter-spacing:-3px}}@media(max-width:620px){.wrap{width:calc(100% - 24px)}.inputrow{flex-direction:column}.inputrow button{height:46px}.formats{grid-template-columns:1fr}}