:root{--fg:#0f172a;--muted:#64748b;--bg:#fff;--line:#e2e8f0;--acc:#0f766e;--bad:#b91c1c;--warn:#b45309;--info:#1d4ed8;--good:#15803d}
*{box-sizing:border-box}
body{margin:0;font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--fg);background:var(--bg)}
a{color:var(--acc)}
.wrap{max-width:760px;margin:0 auto;padding:0 18px}
.top{border-bottom:1px solid var(--line)}
.top .wrap{display:flex;justify-content:space-between;align-items:center;height:56px}
.brand{font-weight:700;text-decoration:none;color:var(--fg)}
.top nav a{margin-left:16px;text-decoration:none}
h1{font-size:2rem;line-height:1.2;margin:32px 0 8px}
h2{font-size:1.25rem;margin-top:36px}
.lead{font-size:1.06rem}
.check{display:flex;gap:8px;margin:20px 0 6px}
.check input{flex:1;min-width:0;padding:12px 14px;font-size:1rem;border:1px solid #cbd5e1;border-radius:8px}
.check button{padding:12px 20px;font-size:1rem;border:0;border-radius:8px;background:var(--acc);color:#fff;font-weight:600;cursor:pointer}
.small{font-size:.88rem}.muted{color:var(--muted)}
.sr{position:absolute;left:-9999px}
.result{border:1px solid var(--line);border-radius:12px;padding:18px;margin:18px 0}
.verdict{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.badge{display:inline-block;padding:6px 12px;border-radius:999px;font-weight:700;color:#fff}
.badge.bad{background:var(--bad)}.badge.warn{background:var(--warn)}.badge.info{background:var(--info)}.badge.good{background:var(--good)}
.flags{list-style:none;padding:0;margin:14px 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:6px}
.flags li{display:flex;justify-content:space-between;border:1px solid var(--line);border-radius:8px;padding:6px 10px}
.flags .y{color:var(--bad)}.flags .n{color:var(--muted)}
.sugg{font-weight:600}
.err{color:var(--bad);font-weight:600}
pre{background:#0f172a;color:#e2e8f0;padding:12px;border-radius:8px;overflow:auto;font-size:.85rem}
pre code{background:none;padding:0;color:inherit}
table{border-collapse:collapse;width:100%;font-size:.92rem}th,td{border:1px solid var(--line);padding:6px 8px;text-align:left;vertical-align:top}
code{background:#f1f5f9;padding:1px 4px;border-radius:4px}
.foot{border-top:1px solid var(--line);margin-top:48px;padding:18px 0;color:var(--muted);font-size:.85rem}
@media (max-width:480px){h1{font-size:1.6rem}.check{flex-direction:column}}
@media (max-width:560px){
#mcp-config{white-space:pre-wrap;word-break:break-all}}
.check textarea{flex:1;min-width:0;min-height:96px;padding:12px 14px;font:0.95rem/1.4 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;border:1px solid #cbd5e1;border-radius:8px;resize:vertical}
.check .btns{display:flex;flex-direction:column;gap:8px}
.check .btns .secondary{background:#fff;color:var(--acc);border:1px solid var(--acc)}
.banner{background:#fef3c7;color:#92400e;padding:8px 18px;font-size:.9rem;border-bottom:1px solid #fcd34d}