:root{
  --bg:#f4f6fb; --surface:#fff; --ink:#0f172a; --muted:#64748b;
  --primary:#3b82f6; --primary-d:#2563eb; --accent:#60a5fa;
  --sidebar:#0b0f19; --sidebar-2:#141b2d; --border:#e2e8f0;
  --up:#10b981; --del:#ef4444; --warn:#f59e0b;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink)}
a{color:inherit;text-decoration:none}

/* layout */
.app{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.sidebar{background:var(--sidebar);color:#cbd5e1;display:flex;flex-direction:column;padding:20px 14px}
.brand{font-size:22px;font-weight:800;color:#fff;padding:6px 10px 22px}
.brand span{color:var(--accent)}
.nav-item{display:block;padding:11px 14px;border-radius:9px;margin-bottom:4px;color:#cbd5e1;font-weight:500;font-size:14px}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-item.active{background:var(--primary);color:#fff}
.sidebar-foot{margin-top:auto;border-top:1px solid rgba(255,255,255,.1);padding-top:14px}
.who{font-size:13px;color:#e2e8f0;padding:0 10px 10px}
.who small{color:#94a3b8}
.logout{width:100%;background:transparent;border:1px solid rgba(255,255,255,.15);color:#cbd5e1;padding:8px;border-radius:8px;cursor:pointer;font-size:13px}
.logout:hover{background:rgba(255,255,255,.06)}
.content{padding:32px 40px;max-width:1100px}

h1{font-size:24px;margin:0 0 4px}
.sub{color:var(--muted);margin:0 0 26px;font-size:14px}
.flash{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46;padding:10px 14px;border-radius:8px;margin-bottom:18px}

/* cards / KPIs */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;margin-bottom:28px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:20px}
.card .label{color:var(--muted);font-size:13px;margin-bottom:8px}
.card .value{font-size:30px;font-weight:800;letter-spacing:-.5px}
.card .value small{font-size:15px;font-weight:600;color:var(--muted)}
.value.up{color:var(--primary)} .value.green{color:var(--up)}

.panel{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:22px;margin-bottom:24px}
.panel h2{font-size:15px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin:0 0 18px}

/* bar chart (CSS) */
.chart{display:flex;align-items:flex-end;gap:4px;height:160px}
.chart .bar{flex:1;background:linear-gradient(180deg,var(--accent),var(--primary));border-radius:4px 4px 0 0;min-height:2px;position:relative}
.chart .bar:hover{background:var(--primary-d)}
.chart-axis{margin-top:10px;font-size:12px;color:var(--muted);display:flex;justify-content:space-between}

/* horizontal bars (top users) */
.hbars{display:flex;flex-direction:column;gap:12px}
.hbar{display:grid;grid-template-columns:200px 1fr 90px;align-items:center;gap:12px;font-size:13px}
.hbar .track{background:#eef2f7;border-radius:6px;height:18px;overflow:hidden}
.hbar .fill{background:linear-gradient(90deg,var(--accent),var(--primary));height:100%}
.hbar .amt{text-align:right;color:var(--muted);font-variant-numeric:tabular-nums}
.mono{font-variant-numeric:tabular-nums}

/* tables */
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--border)}
th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px}
tr:last-child td{border-bottom:none}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.badge{display:inline-block;padding:3px 9px;border-radius:20px;font-size:12px;font-weight:600}
.badge-up{background:#ecfdf5;color:#047857}
.badge-del{background:#fef2f2;color:#b91c1c}
.badge-neutral{background:#eff6ff;color:#1d4ed8}

/* filters */
.filters{display:flex;gap:10px;margin-bottom:18px;flex-wrap:wrap}
.filters select,.filters input{padding:8px 10px;border:1px solid var(--border);border-radius:8px;font-size:14px;background:#fff}
.filters .btn{background:var(--primary);color:#fff;border:none;padding:8px 16px;border-radius:8px;cursor:pointer}

.note{background:#fffbeb;border:1px solid #fde68a;color:#92400e;padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:20px}
.empty{color:var(--muted);padding:30px;text-align:center}

/* pagy */
.pagy{display:flex;gap:6px;margin-top:18px;font-size:14px}
.pagy a,.pagy span{padding:6px 11px;border:1px solid var(--border);border-radius:7px;color:var(--muted)}
.pagy a.current,.pagy .current{background:var(--primary);color:#fff;border-color:var(--primary)}

/* login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--sidebar)}
.login-card{background:var(--surface);padding:40px;border-radius:16px;width:360px;box-shadow:0 20px 50px rgba(0,0,0,.3)}
.login-card .brand{color:var(--ink);text-align:center;padding-bottom:6px}
.login-card p.sub{text-align:center}
.login-card label{display:block;font-size:13px;color:var(--muted);margin:14px 0 6px}
.login-card input{width:100%;padding:11px;border:1px solid var(--border);border-radius:9px;font-size:15px}
.login-card .btn{width:100%;margin-top:22px;background:var(--primary);color:#fff;border:none;padding:12px;border-radius:9px;font-size:15px;font-weight:600;cursor:pointer}
.login-card .btn:hover{background:var(--primary-d)}