:root{color-scheme:dark}*{box-sizing:border-box}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;background:#0b1220;color:#e5e7eb}.wrap{max-width:1024px;margin:0 auto;padding:28px 16px 40px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.tab{border:1px solid #24324f;background:#0f172a;color:#e5e7eb;padding:7px 10px;border-radius:999px;font-size:12px;cursor:pointer;display:inline-flex;align-items:center;gap:8px}.tab:hover{background:#111827}.tabActive{background:#111827;border-color:#385384}.tabDot{width:8px;height:8px;border-radius:999px;background:#60a5fa}.tabDot.open{background:#34d399}.tabDot.closed{background:#f87171}.title{font-size:18px;font-weight:650;letter-spacing:.2px}.muted{color:#94a3b8;font-size:13px;line-height:1.4}.grid{display:grid;grid-template-columns:360px 1fr;gap:14px}@media (max-width: 880px){.grid{grid-template-columns:1fr}}.card{background:#0f172a;border:1px solid #24324f;border-radius:16px;padding:16px}.card h3{margin:0 0 10px;font-size:14px;color:#cbd5e1;font-weight:650}.qrBox{width:100%;aspect-ratio:1 / 1;border-radius:14px;background:#fff;display:grid;place-items:center;overflow:hidden}.qrBox img{width:100%;height:100%;object-fit:contain}.badge{display:inline-flex;align-items:center;gap:8px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600}.dot{width:8px;height:8px;border-radius:999px;display:inline-block}.b-open{background:#064e3b;color:#a7f3d0}.b-open .dot{background:#34d399}.b-connecting{background:#1e3a8a;color:#bfdbfe}.b-connecting .dot{background:#60a5fa}.b-closed{background:#7f1d1d;color:#fecaca}.b-closed .dot{background:#f87171}.kv{display:flex;justify-content:space-between;gap:12px;font-size:13px;padding:8px 0;border-bottom:1px solid rgba(36,50,79,.55)}.kv:last-child{border-bottom:none}.k{color:#94a3b8}.v{color:#e5e7eb;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas;text-align:right;word-break:break-word}.err{margin-top:12px;padding:10px 12px;border-radius:12px;border:1px solid #7f1d1d;background:#2a0f14;color:#fecaca;font-size:12px;white-space:pre-wrap}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.btn{border:1px solid #24324f;background:#111827;color:#e5e7eb;padding:7px 10px;border-radius:10px;font-size:12px;cursor:pointer}.btn:hover{background:#0b1220}