:root{
  --bg:#06101d;--panel:#0e1a2a;--panel-2:#111f31;--panel-3:#15243a;--line:#24344a;
  --line-soft:rgba(111,142,178,.15);--text:#f4f7fb;--muted:#9aa9bb;--muted-2:#6f8093;
  --green:#29dd63;--blue:#2d93ff;--cyan:#25bdf0;--yellow:#ffc400;--red:#ff4c4c;--amber:#ffb000;
  --radius:12px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
h1,h2,h3{margin:0;font-weight:650;letter-spacing:-.01em}
a{color:var(--blue)}
.mono{font-variant-numeric:tabular-nums}
.wrap{max-width:1280px;margin:0 auto;padding:22px 26px 70px}
header{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;margin-bottom:20px}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:grid;place-items:center;font-weight:800;color:#04121f;font-size:14px}
.sub{color:var(--muted);font-size:13.5px;margin-top:3px}
.readonly-pill{display:inline-flex;align-items:center;gap:7px;font-size:12px;padding:5px 11px;border-radius:999px;background:rgba(41,221,99,.12);color:var(--green);border:1px solid rgba(41,221,99,.3)}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.panel+.panel{margin-top:14px}
.panel h2{font-size:13px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:650;margin-bottom:4px}
.cols{display:grid;grid-template-columns:340px 1fr;gap:14px;align-items:start}
@media(max-width:960px){.cols{grid-template-columns:1fr}}
button,input,select{font:inherit;color:var(--text)}
input,select{width:100%;background:var(--panel-2);border:1px solid var(--line);border-radius:9px;padding:9px 11px}
input:focus,select:focus{outline:none;border-color:var(--blue)}
label{display:block;font-size:12px;letter-spacing:.05em;text-transform:uppercase;color:var(--muted-2);margin-bottom:5px;font-weight:650}
.field{margin-bottom:12px}
.btn{background:var(--panel-2);border:1px solid var(--line);border-radius:9px;padding:9px 15px;cursor:pointer;font-size:14px}
.btn:hover{border-color:var(--blue)}
.btn-primary{background:var(--blue);border-color:var(--blue);color:#04121f;font-weight:650}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{background:transparent}
.btn:disabled{opacity:.45;cursor:not-allowed}
.row{display:flex;gap:9px;flex-wrap:wrap;align-items:center}
.conn{display:block;width:100%;text-align:left;background:var(--panel-2);border:1px solid var(--line);border-left:3px solid var(--line);border-radius:10px;padding:11px 13px;margin-bottom:8px;cursor:pointer}
.conn:hover{border-color:var(--blue)}
.conn.sel{border-color:var(--blue);border-left-color:var(--blue);background:rgba(45,147,255,.1)}
.conn.ok{border-left-color:var(--green)}
.conn b{display:block;font-size:14.5px}
.conn small{color:var(--muted-2);font-size:12px}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px}
.sig{border:1px solid var(--line);border-radius:10px;padding:13px 15px;margin-bottom:11px;background:var(--panel-2)}
.sig-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.sig-name{font-weight:650;font-size:14.5px}
.req{font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;padding:2px 8px;border-radius:999px;background:rgba(255,176,0,.14);color:var(--amber);border:1px solid rgba(255,176,0,.3)}
.opt{font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;padding:2px 8px;border-radius:999px;background:var(--panel-3);color:var(--muted-2)}
.hint{font-size:12.5px;color:var(--muted-2);margin-top:-2px;margin-bottom:12px}
.result{border-radius:10px;padding:13px 15px;margin-top:13px;font-size:14px;border:1px solid var(--line);background:var(--panel-2)}
.result.ok{border-left:3px solid var(--green)}
.result.warn{border-left:3px solid var(--amber)}
.result.bad{border-left:3px solid var(--red)}
.result .g{color:var(--muted);font-size:13px;margin-top:6px}
.result pre{background:var(--panel-3);border-radius:7px;padding:10px;overflow:auto;font-size:12.5px;margin:9px 0 0}
.note{font-size:12.5px;color:var(--muted-2);line-height:1.55;margin-top:12px}
.empty{color:var(--muted-2);font-size:13.5px}
#loginCard{max-width:420px;margin:60px auto}
.hidden{display:none!important}
.err{color:var(--red);font-size:13px;margin-top:8px}