:root{
  --bg:#0d1117; --panel:#161b22; --panel2:#1c2430; --border:#283040;
  --text:#e6edf3; --muted:#8b949e; --accent:#3fb950; --accent2:#58a6ff;
  --bar:#1f6feb33;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);
  font:14px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
a{color:inherit;text-decoration:none}
.muted{color:var(--muted)} .small{font-size:12px}

/* login */
.login-wrap{min-height:100vh;display:grid;place-items:center}
.login-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;
  padding:32px;width:320px;text-align:center}
.login-card h1{margin:0 0 4px;font-size:24px}
.login-card h1 span,.brand span{color:var(--accent)}
.login-card input{width:100%;margin:16px 0 12px;padding:10px;border-radius:8px;
  border:1px solid var(--border);background:var(--bg);color:var(--text)}
.login-card button,.controls button{width:100%;padding:10px;border:0;border-radius:8px;
  background:var(--accent);color:#04130a;font-weight:600;cursor:pointer}
.error{background:#f8514922;color:#ff7b72;padding:8px;border-radius:6px;margin-bottom:8px}
.ok-msg{background:#3fb95022;color:#3fb950;padding:8px;border-radius:6px;margin-bottom:12px}
.form-col{display:flex;flex-direction:column;gap:14px}
.form-col label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}
.form-col input{background:var(--bg);color:var(--text);border:1px solid var(--border);
  border-radius:8px;padding:10px}
.form-col button{padding:10px;border:0;border-radius:8px;background:var(--accent);
  color:#04130a;font-weight:600;cursor:pointer}

/* topbar */
.topbar{display:flex;align-items:center;gap:24px;padding:12px 20px;
  background:var(--panel);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}
.brand{font-size:18px;font-weight:700}
.controls{display:flex;align-items:center;gap:16px;flex:1}
.controls select{background:var(--bg);color:var(--text);border:1px solid var(--border);
  border-radius:8px;padding:8px 12px;min-width:220px}
.range-tabs{display:flex;gap:4px}
.tab{padding:6px 12px;border-radius:6px;color:var(--muted)}
.tab.active{background:var(--panel2);color:var(--text)}
.right{display:flex;align-items:center;gap:16px}
.realtime{display:flex;align-items:center;gap:6px;color:var(--muted)}
.realtime b{color:var(--text)}
.realtime .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 0 var(--accent);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 #3fb95066}70%{box-shadow:0 0 0 8px #3fb95000}}
.logout{color:var(--muted)}
.navlink{color:var(--accent2)}

/* setup page */
.page-title{font-size:16px;font-weight:600;margin:0}
.setup{max-width:900px}
.setup .lead{color:var(--muted);margin:4px 0 20px}
.step{margin:24px 0 10px;font-size:15px}
.setup-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.setup-row select,.setup-row input{background:var(--bg);color:var(--text);
  border:1px solid var(--border);border-radius:8px;padding:8px 12px;min-width:260px}
.code-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.copybtn{background:var(--panel2);color:var(--text);border:1px solid var(--border);
  border-radius:6px;padding:4px 12px;cursor:pointer;font-size:12px}
.copybtn:hover{border-color:var(--accent)}
pre.code{background:var(--bg);border:1px solid var(--border);border-radius:8px;
  padding:14px;overflow-x:auto;margin:0;font:13px/1.6 ui-monospace,SFMono-Regular,Menlo,monospace}
pre.code .sid{color:var(--accent)}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.panel code{background:var(--bg);padding:1px 5px;border-radius:4px}
pre.code code{background:none;padding:0}
table.attr{width:100%;border-collapse:collapse}
table.attr th,table.attr td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);vertical-align:top}
table.attr th{color:var(--muted);font-weight:600;font-size:12px}
.verify{margin:0;padding-left:20px;color:var(--muted)}
.verify li{margin:6px 0}

.filter-chips{display:flex;gap:8px;align-items:center;padding:10px 20px 0}
.chip{background:var(--accent2);color:#04130a;padding:4px 10px;border-radius:14px;font-size:12px}

main{padding:20px;max-width:1400px;margin:0 auto}

/* kpis */
.kpis{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-bottom:16px}
.kpi{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:14px}
.k-label{display:block;color:var(--muted);font-size:12px;margin-bottom:6px}
.k-val{font-size:24px;font-weight:700}

.chart-card{background:var(--panel);border:1px solid var(--border);border-radius:10px;
  padding:16px;margin-bottom:16px}

.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.panel{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px}
.panel h3{margin:0 0 12px;font-size:14px;font-weight:600}
.bd-row{display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:6px 8px;border-radius:6px;cursor:pointer;position:relative}
.bd-row:hover{background:var(--panel2)}
.bd-row .bar{position:absolute;left:0;top:0;bottom:0;background:var(--bar);border-radius:6px;z-index:0}
.bd-row .lbl,.bd-row .val{position:relative;z-index:1}
.bd-row .lbl{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bd-row .val{color:var(--muted);font-variant-numeric:tabular-nums}
.bd-empty{color:var(--muted);padding:8px;font-size:13px}

@media(max-width:900px){.kpis{grid-template-columns:repeat(2,1fr)}.grid{grid-template-columns:1fr}}