:root {
  --bg:#0b1020; --panel:#131a2e; --panel2:#0f1526; --line:#223; --line2:#1c2338;
  --txt:#e6e9f0; --mut:#8b93a7; --accent:#6b8cff; --accent2:#9d7bff;
  --high:#ff6b6b; --med:#ffd166; --low:#5ac77f; --good:#5ac77f;
}
* { box-sizing:border-box; }
body { font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif; margin:0;
  background:var(--bg); color:var(--txt); -webkit-font-smoothing:antialiased; }

.topbar { display:flex; align-items:center; justify-content:space-between; padding:16px 28px;
  border-bottom:1px solid var(--line); background:linear-gradient(180deg,rgba(107,140,255,.06),transparent); }
.brand { display:flex; align-items:center; gap:14px; }
.logo { width:36px; height:36px; border-radius:10px; background:linear-gradient(135deg,var(--accent),var(--accent2));
  box-shadow:0 6px 20px rgba(107,140,255,.35); }
h1 { font-size:18px; margin:0; font-weight:700; }
.sub { color:var(--mut); font-size:12px; margin-top:3px; }
.topright { display:flex; align-items:center; gap:12px; }
.pill { font-size:11.5px; color:#c7d2f0; background:rgba(107,140,255,.12);
  border:1px solid rgba(107,140,255,.28); padding:5px 11px; border-radius:999px; }

.tabs { display:flex; gap:4px; padding:10px 22px 0; border-bottom:1px solid var(--line); }
.tab { background:none; border:none; color:var(--mut); font-size:14px; font-weight:600; padding:10px 16px;
  border-radius:9px 9px 0 0; cursor:pointer; border-bottom:2px solid transparent; }
.tab:hover { color:var(--txt); background:rgba(255,255,255,.03); }
.tab.active { color:#fff; border-bottom-color:var(--accent); }

.status { padding:10px 28px; color:var(--mut); font-size:13px; }
.status.err { color:var(--high); }
.app { padding:22px 28px 40px; }
.foot { padding:16px 28px 30px; color:var(--mut); font-size:12px; border-top:1px solid var(--line); }

h2 { font-size:15px; margin:26px 0 12px; font-weight:700; }
h2:first-child { margin-top:0; }
.muted { color:var(--mut); }

/* KPI cards */
.kpis { display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:14px; }
.card { background:var(--panel); border:1px solid var(--line); border-radius:12px; padding:16px 18px; }
.card .n { font-size:26px; font-weight:800; letter-spacing:-.5px; }
.card .l { color:var(--mut); font-size:12px; margin-top:4px; }
.card .d { font-size:11.5px; margin-top:6px; }
.up { color:var(--high); } .down { color:var(--low); } .accentc { color:var(--accent); }

/* panels + charts */
.grid2 { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.grid3 { display:grid; grid-template-columns:2fr 1fr; gap:16px; }
@media (max-width:860px){ .grid2,.grid3 { grid-template-columns:1fr; } }
.panel { background:var(--panel); border:1px solid var(--line); border-radius:12px; padding:16px 18px; }
.panel h3 { font-size:13px; margin:0 0 14px; color:#cdd4e6; font-weight:700; }
.legend { display:flex; gap:14px; flex-wrap:wrap; font-size:12px; color:var(--mut); margin-top:10px; }
.legend i { display:inline-block; width:10px; height:10px; border-radius:3px; margin-right:5px; vertical-align:middle; }

/* table */
table { width:100%; border-collapse:collapse; font-size:13px; }
th,td { text-align:left; padding:9px 10px; border-bottom:1px solid var(--line2); }
th { color:var(--mut); font-weight:600; cursor:pointer; user-select:none; white-space:nowrap; }
th.num,td.num { text-align:right; }
tbody tr:hover { background:rgba(255,255,255,.02); }
.badge { display:inline-block; padding:2px 9px; border-radius:999px; font-size:11.5px; font-weight:700; }
.b-high { color:var(--high); background:rgba(255,107,107,.12); }
.b-med { color:var(--med); background:rgba(255,209,102,.12); }
.b-low { color:var(--low); background:rgba(90,199,127,.12); }
.mono { font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:12px; color:var(--mut); }

/* controls */
.controls { display:grid; grid-template-columns:1fr 1fr; gap:18px 26px; }
@media (max-width:860px){ .controls { grid-template-columns:1fr; } }
.control label { display:flex; justify-content:space-between; font-size:12.5px; color:var(--mut); margin-bottom:6px; }
.control label b { color:var(--txt); font-size:13px; }
input[type=range]{ width:100%; accent-color:var(--accent); }
.toolbar { display:flex; gap:10px; align-items:center; flex-wrap:wrap; margin-bottom:12px; }
.input { padding:7px 11px; border-radius:8px; border:1px solid var(--line); background:var(--panel2); color:var(--txt); font-size:13px; }
.btn { padding:7px 14px; border:none; border-radius:8px; background:var(--accent); color:#0b1020; font-weight:700; cursor:pointer; font-size:13px; }
.btn.ghost { background:transparent; border:1px solid var(--line); color:var(--txt); font-weight:600; }
.btn.sm { padding:4px 10px; font-size:12px; }
.btn:disabled { opacity:.5; cursor:default; }

.simout { display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:12px; margin-top:4px; }
.simcard { background:var(--panel2); border:1px solid var(--line); border-radius:10px; padding:13px 15px; }
.simcard .n { font-size:20px; font-weight:800; } .simcard .l { color:var(--mut); font-size:11.5px; margin-top:3px; }

/* shared login screen (SentinelAuth.renderLogin) — matches the core SPA AuthGate */
.sa-login { max-width:340px; margin:9vh auto; background:var(--panel); border:1px solid var(--line);
  border-radius:14px; padding:30px; box-shadow:0 12px 40px rgba(0,0,0,.4); }
.sa-logo { width:40px; height:40px; border-radius:11px; margin-bottom:16px;
  background:linear-gradient(135deg,var(--accent),var(--accent2)); box-shadow:0 6px 20px rgba(107,140,255,.4); }
.sa-login h2 { margin:0 0 4px; font-size:18px; }
.sa-sub { color:var(--mut); font-size:12px; margin-bottom:20px; }
.sa-lbl { display:block; font-size:12px; color:var(--mut); margin-bottom:4px; }
.sa-login input { width:100%; padding:9px 10px; margin:0 0 14px; border-radius:8px;
  border:1px solid var(--line); background:var(--panel2); color:var(--txt); box-sizing:border-box; }
.sa-err { color:var(--high); font-size:12px; min-height:16px; margin-bottom:8px; }
.sa-btn { width:100%; padding:10px; border:none; border-radius:8px; background:var(--accent);
  color:#0b1020; font-weight:700; cursor:pointer; font-size:14px; }