:root{
  --bg:#070b12; --bg2:#0d1320; --card:#101828; --card2:#16203a;
  --line:#1f2a44; --txt:#e9eef8; --muted:#7e8bab;
  --ok:#34d399; --warn:#fbbf24; --bad:#f87171; --unknown:#64748b; --maint:#a78bfa;
  --accent:#6d5ef2; --accent2:#8b5cf6; --good:#2dd4bf;
  --radius:14px;
  --mono:ui-monospace,'SF Mono',Menlo,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:radial-gradient(1200px 600px at 80% -10%, #151b33 0%, var(--bg) 55%);color:var(--txt);
  font:14.5px/1.5 Inter,system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;-webkit-font-smoothing:antialiased}
.hidden{display:none!important}
.muted{color:var(--muted)} .small{font-size:12px} .err{color:var(--bad);font-size:13px;min-height:18px}
a{color:var(--accent2);cursor:pointer;text-decoration:none}
::-webkit-scrollbar{width:8px;height:8px} ::-webkit-scrollbar-thumb{background:#24304a;border-radius:8px}

/* login */
.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:16px}
.login-card{background:linear-gradient(160deg,var(--card),#0b1120);border:1px solid var(--line);border-radius:20px;
  padding:36px;width:100%;max-width:390px;display:flex;flex-direction:column;gap:12px;
  box-shadow:0 24px 60px rgba(0,0,0,.5)}
.login-card h1{font-size:21px;letter-spacing:.3px}
.login-card h1 span{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.login-card input{background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:13px;color:var(--txt);font-size:15px;outline:none}
.login-card input:focus{border-color:var(--accent)}
.login-card button{background:linear-gradient(90deg,var(--accent),var(--accent2));border:0;border-radius:10px;padding:13px;color:#fff;font-weight:700;cursor:pointer;letter-spacing:.3px}

/* topbar */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:12px;padding:12px 18px;
  background:rgba(10,15,26,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{font-weight:800;font-size:15px;letter-spacing:1.2px}
.brand span{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.top-meta{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{background:var(--bg2);border:1px solid var(--line);color:var(--txt);border-radius:9px;padding:6px 10px;font-size:15px;cursor:pointer}
.btn-ghost{background:var(--bg2);border:1px solid var(--line);color:var(--muted);border-radius:9px;padding:6px 12px;cursor:pointer;font-size:13px}
.btn-ghost:hover{color:var(--txt);border-color:var(--accent)}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block}
.dot-on{background:var(--ok);box-shadow:0 0 8px var(--ok)} .dot-off{background:var(--bad)}

/* layout */
.shell{display:flex;min-height:calc(100vh - 55px)}
.sidebar{width:220px;flex-shrink:0;border-right:1px solid var(--line);padding:16px 10px;display:flex;flex-direction:column;gap:2px}
.sidebar a{display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:10px;color:var(--muted);font-weight:500;font-size:14px}
.sidebar a.active{background:linear-gradient(90deg,rgba(109,94,242,.18),rgba(139,92,246,.08));color:var(--txt);border:1px solid rgba(139,92,246,.25)}
.badge{background:var(--bad);color:#fff;border-radius:8px;padding:1px 7px;font-size:11px;font-weight:700}
.main{flex:1;padding:22px;max-width:1280px;margin:0 auto;width:100%}
.backdrop{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:14}
.page-title{font-size:19px;font-weight:700;margin-bottom:4px}
.page-sub{color:var(--muted);font-size:13px;margin-bottom:18px}

/* cards */
.grid{display:grid;gap:14px}
.grid-5{grid-template-columns:repeat(5,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:linear-gradient(170deg,var(--card),#0d1424);border:1px solid var(--line);border-radius:var(--radius);padding:18px;
  transition:border-color .15s}
.card:hover{border-color:#2b3a63}
.card h3{font-size:10.5px;color:var(--muted);text-transform:uppercase;letter-spacing:1.4px;margin-bottom:8px;font-weight:600}
.stat{font-size:26px;font-weight:800;letter-spacing:-.5px}
.stat-val-pos{color:var(--ok)} .stat-val-neg{color:var(--bad)} .stat-val-warn{color:var(--warn)}
.s-ok{color:var(--ok)} .s-warn{color:var(--warn)} .s-bad{color:var(--bad)} .s-unk{color:var(--unknown)} .s-maint{color:var(--maint)}
.card .sub{font-size:11.5px;color:var(--muted);margin-top:4px}

.pill{display:inline-flex;align-items:center;gap:6px;padding:3px 11px;border-radius:999px;font-size:11.5px;font-weight:700;letter-spacing:.4px}
.pill::before{content:'';width:6px;height:6px;border-radius:50%;background:currentColor}
.pill-ONLINE{background:rgba(52,211,153,.12);color:var(--ok)}
.pill-OFFLINE{background:rgba(248,113,113,.12);color:var(--bad)}
.pill-WARNING{background:rgba(251,191,36,.12);color:var(--warn)}
.pill-UNKNOWN{background:rgba(100,116,139,.18);color:var(--unknown)}
.pill-MAINTENANCE{background:rgba(167,139,250,.12);color:var(--maint)}

/* metric rows (detail) */
.kv{display:grid;grid-template-columns:170px 1fr;gap:10px 16px;font-size:13.5px}
.kv dt{color:var(--muted)} .kv dd{word-break:break-all}
.kv dd b{color:var(--txt)}

/* activity feed */
.feed{display:flex;flex-direction:column;gap:6px;max-height:420px;overflow-y:auto}
.feed-item{display:flex;gap:12px;font-size:12.5px;padding:9px 12px;background:rgba(13,19,32,.6);border:1px solid var(--line);border-radius:10px}
.feed-item time{color:var(--muted);flex-shrink:0;font-family:var(--mono);font-size:11.5px}
.feed-item b{color:var(--accent2);font-weight:600}

/* tables */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--card)}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th{color:var(--muted);text-align:left;font-size:10.5px;text-transform:uppercase;letter-spacing:1.2px;padding:12px 14px;border-bottom:1px solid var(--line);font-weight:600}
td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
tbody tr:last-child td{border-bottom:0}
tr.click{cursor:pointer} tbody tr:hover{background:rgba(109,94,242,.06)}
.mono{font-family:var(--mono);font-size:12.5px}

/* logs */
.logbox{background:#060a12;border:1px solid var(--line);border-radius:var(--radius);padding:14px;font:12px/1.6 var(--mono);
  overflow-y:auto;max-height:62vh;white-space:pre-wrap;word-break:break-all}
.log-ERROR{color:var(--bad)} .log-WARN{color:var(--warn)} .log-INFO{color:#94a7c8}
.logbar{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap;align-items:center}
.logbar select,.logbar input{background:var(--bg2);border:1px solid var(--line);color:var(--txt);border-radius:9px;padding:9px 12px;font-size:13px;outline:none}
.chart{width:100%;height:170px}

/* project detail */
.detail-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}

/* section header w/ link */
.sect{display:flex;align-items:center;justify-content:space-between;margin:22px 0 12px}
.sect h2{font-size:15px;font-weight:700;letter-spacing:.2px}
.sect .lnk{font-size:12.5px;color:var(--accent2);font-weight:600}

@media(max-width:1000px){
  .grid-5,.grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-2{grid-template-columns:1fr}
}
@media(max-width:900px){
  .sidebar{position:fixed;left:-250px;top:55px;bottom:0;z-index:15;transition:left .2s;width:240px;background:var(--bg2)}
  .sidebar.open{left:0}
  .main{padding:14px}
  .kv{grid-template-columns:130px 1fr}
  .stat{font-size:22px}
}