:root{
  --bg:#f3f4f7;--panel:#fff;--panel2:#f8f9fb;--text:#1b2230;--muted:#5d6878;--line:#dde1e8;
  --accent:#2563eb;--accent-weak:#e7eefe;--ok:#15803d;--ok-weak:#e3f5e9;--warn:#a85d06;--warn-weak:#fdf1df;
  --err:#b42318;--err-weak:#fde8e6;--code:#0f1729;--code-text:#e3e8f0;
  --srv:#7c3aed;--srv-weak:#f0e9fe;--pc:#0369a1;--pc-weak:#e2f1fb;--mt:#c2410c;--mt-weak:#fdeee4;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#11141a;--panel:#191d25;--panel2:#1f242e;--text:#e5e8ee;--muted:#9aa3b2;--line:#2c323e;
    --accent:#6b9bff;--accent-weak:#1d2a45;--ok:#4ade80;--ok-weak:#16301f;--warn:#fbbf24;--warn-weak:#33280f;
    --err:#f87171;--err-weak:#3a1a1a;--code:#0a0e17;--code-text:#dfe6f0;
    --srv:#b18cff;--srv-weak:#2a2142;--pc:#5ab8f0;--pc-weak:#13293a;--mt:#fb8f5a;--mt-weak:#3a2216;
  }
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:14px/1.45 "Segoe UI",system-ui,-apple-system,sans-serif}
button,input,select,textarea{font:inherit;color:inherit}
header{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:10px 18px;background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
header h1{font-size:17px;margin:0 auto 0 0;display:flex;align-items:center;gap:8px}
header h1 .logo{width:22px;height:22px;border-radius:6px;background:var(--accent);display:inline-grid;place-items:center;color:#fff;font-size:12px;font-weight:700}
.layout{display:grid;grid-template-columns:270px 1fr;min-height:calc(100vh - 54px)}
nav{background:var(--panel);border-right:1px solid var(--line);padding:14px 10px;display:flex;flex-direction:column;gap:4px}
nav .sec{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:14px 8px 4px}
.item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;cursor:pointer;border:1px solid transparent;background:none;text-align:left;width:100%}
.item:hover{background:var(--panel2)}
.item.on{background:var(--accent-weak);border-color:var(--accent)}
.item .t{flex:1;min-width:0}
.item .n{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.item .s{font-size:12px;color:var(--muted);font-family:Consolas,monospace}
.dot{width:10px;height:10px;border-radius:50%;flex:none}
.dot.err{background:var(--err)}.dot.ok{background:var(--ok)}.dot.warn{background:var(--warn)}
.badge{font-size:11px;font-weight:700;padding:2px 7px;border-radius:999px;flex:none;letter-spacing:.02em}
.b-srv{background:var(--srv-weak);color:var(--srv)}.b-pc{background:var(--pc-weak);color:var(--pc)}.b-mt{background:var(--mt-weak);color:var(--mt)}.b-ov{background:var(--accent-weak);color:var(--accent)}
.addrow{display:flex;gap:6px;margin-top:8px}
main{padding:20px 24px 60px;min-width:0;max-width:1200px}
h2{font-size:20px;margin:0 0 4px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.sub{color:var(--muted);margin:0 0 16px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin-bottom:16px}
.card h3{margin:0 0 12px;font-size:15px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px 16px}
.f{display:flex;flex-direction:column;gap:4px;min-width:0}
.f.wide{grid-column:1/-1}
.f>span{font-size:12px;font-weight:600;color:var(--muted)}
.f small{font-size:12px;color:var(--muted)}
input[type=text],input[type=number],select,textarea{width:100%;padding:7px 9px;border:1px solid var(--line);border-radius:7px;background:var(--panel2)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:-1px}
input[readonly]{opacity:.8;cursor:default}
.mono{font-family:Consolas,"Cascadia Mono",monospace;font-size:13px}
.chk{display:flex;gap:8px;align-items:flex-start;cursor:pointer}
.chk input{margin-top:3px}
.chk small{display:block}
.btn{padding:7px 12px;border-radius:7px;border:1px solid var(--line);background:var(--panel2);cursor:pointer;white-space:nowrap}
.btn:hover{border-color:var(--accent)}
.btn.pri{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.sm{padding:4px 9px;font-size:12px}
.btn.danger{color:var(--err)}
.btn.grow{flex:1}
.inrow{display:flex;gap:6px}
.inrow input{flex:1;min-width:0}
.keys{display:grid;grid-template-columns:1fr 1fr;gap:12px 16px}
.out{background:var(--panel);border:1px solid var(--line);border-radius:12px;margin-bottom:16px;overflow:hidden}
.out-head{display:flex;gap:12px;align-items:flex-start;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.out-head h3{margin:2px 0 2px;font-size:15px}
.out-head p{margin:0;color:var(--muted);font-size:13px}
.out-body{display:flex;gap:16px;padding:14px 16px;flex-wrap:wrap}
.btns{display:flex;gap:6px;flex-wrap:wrap}
pre{margin:0;background:var(--code);color:var(--code-text);padding:12px 14px;border-radius:8px;overflow:auto;font:13px/1.5 Consolas,"Cascadia Mono",monospace;flex:1;min-width:280px;white-space:pre}
.qr{display:flex;flex-direction:column;gap:8px;align-items:center}
.qr canvas{width:240px;height:240px;image-rendering:pixelated;border-radius:8px;background:#fff;padding:0}
.where{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em}
.flow{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.flow>div{border:1px solid var(--line);border-radius:10px;padding:12px;background:var(--panel2)}
.flow h4{margin:0 0 4px;font-size:13px}
.flow p{margin:0 0 8px;color:var(--muted);font-size:12px}
.chip{display:inline-block;font:12px Consolas,monospace;padding:2px 8px;border-radius:999px;background:var(--accent-weak);color:var(--accent);margin:0 4px 4px 0}
.msgs{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.msg{padding:8px 12px;border-radius:8px;font-size:13px}
.msg.err{background:var(--err-weak);color:var(--err)}
.msg.warn{background:var(--warn-weak);color:var(--warn)}
.msg.ok{background:var(--ok-weak);color:var(--ok)}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:12px;color:var(--muted);font-weight:600}
td .chip{margin-bottom:2px}
.tbl{overflow-x:auto}
.info{background:var(--accent-weak);border:1px solid var(--accent);border-radius:12px;padding:14px 18px;margin-bottom:16px}
.info h3{margin:0 0 8px;font-size:15px}
.info p,.info li{margin:0 0 6px}
.info ul{margin:0;padding-left:20px}
.diagram{display:flex;align-items:stretch;gap:0;flex-wrap:wrap;margin-top:4px}
footer{padding:14px 24px;border-top:1px solid var(--line);background:var(--panel);color:var(--muted);font-size:12px}
footer a{color:var(--accent)}
.toast{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:var(--text);color:var(--bg);padding:8px 16px;border-radius:8px;opacity:0;transition:opacity .2s;pointer-events:none;z-index:9}
.toast.on{opacity:1}
.hdr-opt{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--muted)}
@media (max-width:820px){
  .layout{grid-template-columns:1fr}
  nav{border-right:none;border-bottom:1px solid var(--line)}
  main{padding:16px}
  .keys,.flow{grid-template-columns:1fr}
  header{padding:10px 16px}
}