.mcp-kit{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:linear-gradient(118deg,rgba(56,232,255,.055),rgba(13,20,33,.9) 48%,rgba(165,139,255,.055));
  padding:28px;
}
.mcp-kit .section-heading p{margin:6px 0 0;color:var(--muted);font-size:13px;max-width:720px}
.kit-version{font:700 10px var(--mono);color:var(--cyan);white-space:nowrap}
.mcp-signal-flow{display:grid;grid-template-columns:minmax(0,1fr) 56px minmax(0,1fr) 56px minmax(0,1fr);align-items:center;margin:24px 0}
.mcp-signal-flow>div{min-height:112px;border:1px solid var(--line);background:rgba(5,9,18,.46);padding:18px;display:flex;flex-direction:column;justify-content:center}
.mcp-signal-flow span{font:700 9px var(--mono);letter-spacing:.12em;color:var(--cyan)}
.mcp-signal-flow strong{font-size:15px;margin-top:7px}
.mcp-signal-flow small{font-size:11px;color:var(--muted);margin-top:3px}
.mcp-signal-flow i{height:1px;background:linear-gradient(90deg,var(--cyan),var(--violet));position:relative}
.mcp-signal-flow i:after{content:"";position:absolute;right:0;top:-3px;width:7px;height:7px;border-top:1px solid var(--violet);border-right:1px solid var(--violet);transform:rotate(45deg)}
.mcp-kit-control{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:24px;padding-top:22px;border-top:1px solid var(--line)}
.mcp-kit-control fieldset{border:0;margin:0;padding:0;min-width:0}
.mcp-kit-control legend{font-size:12px;font-weight:800;margin-bottom:9px}
.client-choice{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.client-choice label{display:flex;gap:11px;align-items:center;min-height:66px;border:1px solid var(--line);background:rgba(5,9,18,.44);padding:12px 14px;cursor:pointer}
.client-choice label:has(input:checked){border-color:rgba(56,232,255,.5);background:rgba(56,232,255,.07)}
.client-choice input{width:18px;min-height:18px;accent-color:var(--cyan)}
.client-choice span,.client-choice strong,.client-choice small{display:block}
.client-choice small{color:var(--muted);font-size:10px;margin-top:2px}
.mcp-kit-action{min-width:280px}
.mcp-kit-action button{width:100%}
.mcp-kit-action .message{margin:7px 0 0;min-height:20px;font-size:11px}
.mcp-kit-details{margin-top:19px;border-top:1px solid var(--line);padding-top:15px}
.mcp-kit-details summary{cursor:pointer;font-size:12px;font-weight:800;color:var(--ink)}
.mcp-kit-details ul{margin:12px 0 0;padding-left:20px;color:var(--muted);font-size:12px}
.mcp-credential{border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:rgba(13,20,33,.88)}
.mcp-credential .section-heading p{margin:6px 0 0;color:var(--muted);font-size:13px;max-width:760px}
.credential-form{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:12px;align-items:end;margin-top:20px}
.credential-form .field{margin:0}.credential-form .field span{min-height:20px}
.credential-actions{grid-column:1/-1;display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:14px;border-top:1px solid var(--line);padding-top:17px}
.credential-actions .message{margin:0}.credential-result{margin-top:18px;padding:17px;border:1px solid rgba(53,240,160,.25);background:rgba(53,240,160,.035)}
.credential-result code{display:block;margin:7px 0 12px;padding:12px;border:1px solid var(--line);background:#050912;color:var(--cyan);font:13px var(--mono);overflow-wrap:anywhere}
.credential-result p{font-size:11px;margin:10px 0 0}
@media(max-width:900px){
  .mcp-signal-flow{grid-template-columns:1fr}
  .mcp-signal-flow i{height:28px;width:1px;justify-self:center;background:linear-gradient(var(--cyan),var(--violet))}
  .mcp-signal-flow i:after{right:-3px;top:auto;bottom:0;transform:rotate(135deg)}
  .mcp-kit-control{grid-template-columns:1fr}
  .mcp-kit-action{min-width:0}
  .credential-form{grid-template-columns:1fr}
  .credential-actions{grid-column:auto}
}
@media(max-width:520px){
  .mcp-kit{padding:20px 15px}
  .client-choice{grid-template-columns:1fr}
  .mcp-signal-flow>div{min-height:94px}
  .mcp-credential{padding:20px 15px}
  .credential-actions{grid-template-columns:1fr}.credential-actions button{width:100%}
}