:root{
  --bg:#081120; --panel:#0d1a2e; --panel2:#111f36; --line:#1d3150;
  --text:#e8f1ff; --dim:#8ba3c7; --cyan:#22d3ee; --blue:#4f8cff;
  --ok:#34d399; --warn:#fbbf24; --bad:#f87171; --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(1200px 600px at 15% -10%,#122a4a 0%,#081120 60%);color:var(--text);
  font:14px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;min-height:100vh}
a{color:var(--cyan);text-decoration:none}
.nav{display:flex;align-items:center;gap:18px;padding:14px 22px;border-bottom:1px solid var(--line);
  background:rgba(8,17,32,.85);backdrop-filter:blur(8px);position:sticky;top:0;z-index:20}
.brand{font-weight:700;letter-spacing:.5px}.brand span{color:var(--cyan)}
.nav a{color:var(--dim);font-size:13px;padding:6px 10px;border-radius:8px}
.nav a.on,.nav a:hover{color:var(--text);background:#132742}
.spacer{flex:1}
.wrap{max-width:1280px;margin:0 auto;padding:24px 22px 60px}
h1{font-size:22px;margin:6px 0 4px}
h2{font-size:16px;margin:0 0 12px;color:#cfe2ff}
.sub{color:var(--dim);font-size:13px;margin-bottom:18px}
.grid{display:grid;gap:14px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
@media(max-width:900px){.g4{grid-template-columns:repeat(2,1fr)}.g3,.g2{grid-template-columns:1fr}}
.card{background:linear-gradient(180deg,var(--panel) 0%,var(--panel2) 100%);border:1px solid var(--line);
  border-radius:14px;padding:16px 18px}
.kpi .k{color:var(--dim);font-size:12px}
.kpi .v{font-size:26px;font-weight:650;font-family:var(--mono);margin-top:4px}
.kpi .t{font-size:11px;color:var(--dim);margin-top:2px}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;border:1px solid var(--line)}
.b-ok{color:var(--ok);border-color:#1e5c46;background:#0d2a22}
.b-warn{color:var(--warn);border-color:#5c4a1e;background:#2a220d}
.b-bad{color:var(--bad);border-color:#5c2020;background:#2a0f0f}
.b-info{color:var(--cyan);border-color:#1e4a5c;background:#0d242a}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{color:var(--dim);font-weight:500;font-size:12px}
tr:hover td{background:#0f2036}
.mono{font-family:var(--mono);font-size:12px}
input,select,textarea,button{font-family:inherit}
input,select,textarea{background:#0b1728;border:1px solid var(--line);color:var(--text);border-radius:9px;
  padding:8px 10px;font-size:13px;outline:none;width:100%}
input:focus,textarea:focus,select:focus{border-color:var(--blue)}
button{background:linear-gradient(135deg,#1d4ed8,#0891b2);border:0;color:#fff;border-radius:9px;
  padding:9px 16px;font-size:13px;cursor:pointer}
button.ghost{background:#12233c;border:1px solid var(--line);color:var(--text)}
button:disabled{opacity:.5;cursor:not-allowed}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.mt{margin-top:14px}.mt2{margin-top:26px}
.pre{background:#061020;border:1px solid var(--line);border-radius:10px;padding:12px;overflow:auto;
  max-height:340px;font-family:var(--mono);font-size:12px;color:#a9c7ea;white-space:pre-wrap}
.tabs{display:flex;gap:8px;margin:6px 0 16px;flex-wrap:wrap}
.tab{padding:7px 14px;border:1px solid var(--line);border-radius:999px;color:var(--dim);cursor:pointer;font-size:13px}
.tab.on{color:#fff;border-color:#1d4ed8;background:#12294a}
.split{display:grid;grid-template-columns:280px 1fr;gap:16px}
@media(max-width:900px){.split{grid-template-columns:1fr}}
.list{max-height:520px;overflow:auto}
.toolitem{padding:9px 10px;border-radius:9px;cursor:pointer;border:1px solid transparent;font-size:13px}
.toolitem:hover{background:#12233c}
.toolitem.on{background:#10294a;border-color:#1d4ed8}
.toolitem .w{color:var(--warn);font-size:10px;margin-left:6px}
.hero{display:flex;gap:8px;align-items:baseline}
.dot{width:7px;height:7px;border-radius:99px;display:inline-block;margin-right:6px}
.d-ok{background:var(--ok)}.d-bad{background:var(--bad)}.d-warn{background:var(--warn)}
.foot{color:var(--dim);font-size:12px;margin-top:28px}
.login{max-width:380px;margin:12vh auto;padding:26px}
login .hint{font-size:12px;color:var(--dim)}
.err{color:var(--bad);font-size:12px;margin-top:8px;min-height:16px}
.ok{color:var(--ok)}