:root{
  --bg:#0f172a; --panel:#1e293b; --panel2:#172033; --line:#334155;
  --txt:#e2e8f0; --muted:#94a3b8; --accent:#6366f1; --accent2:#10b981;
  --warn:#f59e0b; --err:#ef4444; --radius:14px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--txt);
  font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px}
a{color:inherit;text-decoration:none}
h2{font-size:14px;font-weight:600;margin:0 0 12px;color:var(--muted);
  text-transform:uppercase;letter-spacing:.04em}
.muted{color:var(--muted);font-size:12px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}

/* ---- Login ---- */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px;
  background:radial-gradient(900px 500px at 50% -10%,#1e293b,#0f172a)}
.login-card{background:var(--panel);padding:34px;border-radius:18px;width:340px;
  border:1px solid var(--line);box-shadow:0 20px 60px rgba(0,0,0,.4)}
.login-logo{font-size:40px;text-align:center}
.login-card h1{margin:6px 0 0;text-align:center;font-size:20px}
.login-sub{text-align:center;color:var(--muted);margin:4px 0 22px}
.login-card label{display:block;font-size:12px;color:var(--muted);margin:12px 0 4px}
.login-card input{width:100%;padding:11px;border-radius:9px;border:1px solid var(--line);
  background:var(--panel2);color:var(--txt);font-size:14px}
.login-card button{margin-top:20px;width:100%;padding:12px;border:0;border-radius:9px;
  background:var(--accent);color:#fff;font-weight:600;cursor:pointer;font-size:15px}
.login-card button:hover{filter:brightness(1.1)}
.login-error{background:rgba(239,68,68,.15);color:#fca5a5;padding:10px;
  border-radius:8px;font-size:13px;text-align:center}

/* ---- Layout ---- */
.topbar{display:flex;justify-content:space-between;align-items:center;
  padding:14px 22px;background:var(--panel2);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:10}
.brand{font-weight:700;font-size:16px}
.brand span{color:var(--muted);font-weight:400}
.topbar-right{display:flex;gap:14px;align-items:center}
.btn-ghost{border:1px solid var(--line);background:transparent;color:var(--txt);
  padding:6px 12px;border-radius:8px;cursor:pointer;font-size:13px}
.btn-ghost:hover{background:var(--panel)}
.badge{padding:4px 9px;border-radius:20px;font-size:12px;font-weight:600}
.badge-warn{background:rgba(245,158,11,.18);color:#fcd34d}

.apptabs{display:flex;gap:8px;padding:16px 22px 0;flex-wrap:wrap}
.tab{padding:9px 16px;border-radius:10px 10px 0 0;background:var(--panel2);
  border:1px solid var(--line);border-bottom:none;color:var(--muted);
  border-top:3px solid transparent}
.tab.active{background:var(--panel);color:var(--txt);
  border-top:3px solid var(--c,var(--accent))}
.tab .cnt{font-size:11px;background:rgba(255,255,255,.08);padding:1px 7px;
  border-radius:10px;margin-left:6px}

.controls{display:flex;gap:16px;align-items:center;flex-wrap:wrap;
  padding:14px 22px;background:var(--panel);border-bottom:1px solid var(--line)}
.seg{display:flex;border:1px solid var(--line);border-radius:9px;overflow:hidden}
.seg a{padding:7px 14px;color:var(--muted)}
.seg a.active{background:var(--accent);color:#fff}
.toggle{padding:7px 12px;border:1px solid var(--line);border-radius:9px;color:var(--muted)}
.toggle.on{color:var(--accent2);border-color:var(--accent2)}
.span{margin-left:auto}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(165px,1fr));
  gap:14px;padding:22px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.card .k{color:var(--muted);font-size:12px;margin-bottom:8px}
.card .v{font-size:26px;font-weight:700}
.card .v small{font-size:13px;color:var(--muted);font-weight:400}

.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding:0 22px 22px}
.panel{background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);padding:18px}
.panel.wide{grid-column:1 / -1}
.grid .panel canvas{max-height:230px}

.tables{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding:0 22px 22px}

table{width:100%;border-collapse:collapse;font-size:13px}
.rank th,.rank td{padding:7px 6px;border-bottom:1px solid var(--line);text-align:left}
.rank th{color:var(--muted);font-weight:500;font-size:11px;text-transform:uppercase}
.rank .num{text-align:right;font-variant-numeric:tabular-nums}
.trunc{max-width:230px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.table-scroll{overflow-x:auto}
.recent th,.recent td{padding:6px 9px;border-bottom:1px solid var(--line);
  text-align:left;white-space:nowrap}
.recent th{color:var(--muted);font-size:11px;text-transform:uppercase;position:sticky;top:0;background:var(--panel)}
.recent tr.bot{opacity:.55}
.recent .path{max-width:260px;overflow:hidden;text-overflow:ellipsis}
.st{padding:2px 8px;border-radius:6px;font-size:12px;font-weight:600}
.st2{background:rgba(16,185,129,.18);color:#6ee7b7}
.st3{background:rgba(59,130,246,.18);color:#93c5fd}
.st4{background:rgba(245,158,11,.18);color:#fcd34d}
.st5{background:rgba(239,68,68,.18);color:#fca5a5}

/* ---- Heatmap ---- */
.heatmap{display:flex;flex-direction:column;gap:3px;overflow-x:auto}
.hm-row{display:flex;gap:3px;align-items:center}
.hm-day{width:38px;font-size:11px;color:var(--muted);flex:0 0 38px}
.hm-cell-h{flex:1;min-width:22px;text-align:center;font-size:10px;color:var(--muted)}
.hm-cell{flex:1;min-width:22px;height:26px;border-radius:4px;display:grid;
  place-items:center;font-size:10px;background:var(--panel2);color:#cbd5e1}

@media(max-width:1100px){.grid,.tables{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.grid,.tables{grid-template-columns:1fr}.span{display:none}}