:root{
  --bg:#0c0e12; --panel:#15181f; --panel2:#1b1f28; --line:#262b36;
  --txt:#e6e8ec; --muted:#8a909c; --accent:#ff3b30; --accent2:#34c759;
  --blue:#0a84ff;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  background:radial-gradient(1200px 600px at 80% -10%, #18202c 0%, var(--bg) 55%);
  color:var(--txt); font:14px/1.45 'Segoe UI',Roboto,system-ui,sans-serif;
}
.topbar{display:flex;align-items:center;justify-content:space-between;
  padding:12px 18px;border-bottom:1px solid var(--line);background:#0f1218}
.brand{display:flex;align-items:center;gap:12px}
.logo{font-weight:800;letter-spacing:2px;color:#fff;background:var(--accent);
  padding:6px 10px;border-radius:8px;font-size:13px}
.brand-text h1{font-size:16px;margin:0}
.brand-text .sub{color:var(--muted);font-size:12px}
.status{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px;font-weight:600}
.dot{width:10px;height:10px;border-radius:50%;display:inline-block}
.dot.idle{background:#666}.dot.live{background:var(--accent2);box-shadow:0 0 0 4px rgba(52,199,89,.18)}
.dot.wait{background:#ffb000}
.layout{max-width:1200px;margin:16px auto;padding:0 16px;display:flex;flex-direction:column;gap:14px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px}
.row{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap}
.field{display:flex;flex-direction:column;gap:5px;flex:1;min-width:220px}
.field span{color:var(--muted);font-size:12px}
select,.btn{background:var(--panel2);color:var(--txt);border:1px solid var(--line);
  border-radius:8px;padding:9px 12px;font-size:13px;cursor:pointer}
select{min-width:220px}
.btn:hover{border-color:#3a414f}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:700}
.btn.primary.on{background:transparent;color:var(--accent2);border-color:var(--accent2)}
.meta{margin-top:10px;color:var(--muted);font-size:12px;gap:18px}
.meta b{color:var(--txt)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:0;background:transparent;border:0}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px}
.stat .k{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.5px}
.stat .v{font-size:24px;font-weight:800;margin-top:4px;display:flex;align-items:baseline;gap:5px}
.stat .u{font-size:12px;color:var(--muted);font-weight:600}
.chart-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.chart-head h2{font-size:14px;margin:0}
.legend{display:flex;gap:14px;font-size:12px;color:var(--muted)}
.legend span{display:flex;align-items:center;gap:6px}
.legend i{width:12px;height:3px;border-radius:2px;display:inline-block}
.chart-wrap{position:relative;height:320px}
.foot{color:var(--muted);font-size:11px;text-align:center;padding:18px}
@media(max-width:720px){.stats{grid-template-columns:repeat(2,1fr)}}