:root{
  --bg:#0a0d13; --panel:#12161f; --panel2:#181d29; --border:#242b3a; --border-soft:#1b212e;
  --text:#e8eaf0; --muted:#8891a7; --muted-dim:#5c657a;
  --accent:#2dd4bf; --accent-dim:#12403a; --warn:#f5a623; --warn-dim:#4a3714;
  --danger:#ef4867; --danger-dim:#451c28; --purple:#8b7cf6; --purple-dim:#2c2650;
  --radius:12px; --radius-sm:8px;
}
*{box-sizing:border-box;margin:0;padding:0;}
body{background:var(--bg);color:var(--text);font-family:'Inter',sans-serif;font-size:14px;min-height:100vh;-webkit-font-smoothing:antialiased;}
.mono{font-family:'IBM Plex Mono',monospace;}
h1,h2,h3,.display{font-family:'Sora',sans-serif;}
::-webkit-scrollbar{width:8px;height:8px;}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px;}
::-webkit-scrollbar-track{background:transparent;}

.app{display:flex;min-height:100vh;}
.rail{width:220px;flex-shrink:0;background:var(--panel);border-right:1px solid var(--border-soft);display:flex;flex-direction:column;padding:20px 12px;position:sticky;top:0;height:100vh;}
.brand{display:flex;align-items:center;gap:10px;padding:6px 10px 22px 10px;}
.brand-mark{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--accent),var(--purple));display:flex;align-items:center;justify-content:center;font-family:'Sora';font-weight:800;font-size:14px;color:#06110f;flex-shrink:0;}
.brand-name{font-family:'Sora';font-weight:700;font-size:16px;letter-spacing:0.2px;}
.brand-sub{font-size:10px;color:var(--muted-dim);letter-spacing:0.5px;text-transform:uppercase;margin-top:-2px;}
.nav-group-label{font-size:10px;text-transform:uppercase;letter-spacing:0.8px;color:var(--muted-dim);padding:14px 12px 6px;}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:var(--muted);cursor:pointer;font-size:13.5px;font-weight:500;transition:background .12s, color .12s;user-select:none;text-decoration:none;}
.nav-item .ic{width:16px;text-align:center;opacity:.85;font-size:14px;}
.nav-item:hover{background:var(--panel2);color:var(--text);}
.nav-item.active{background:var(--accent-dim);color:var(--accent);}
.rail-foot{margin-top:auto;padding:12px;font-size:10.5px;color:var(--muted-dim);border-top:1px solid var(--border-soft);padding-top:14px;}
.rail-user{display:flex;align-items:center;justify-content:space-between;padding:8px 10px;background:var(--panel2);border-radius:8px;margin-bottom:10px;font-size:12px;}
.rail-user a{color:var(--danger);text-decoration:none;font-weight:600;}

.main{flex:1;min-width:0;padding:24px 32px 60px;}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;flex-wrap:wrap;gap:10px;}
.page-title{font-size:22px;font-weight:700;}
.page-sub{color:var(--muted);font-size:13px;margin-top:2px;}
.btn{background:var(--accent);color:#06110f;border:none;padding:9px 16px;border-radius:8px;font-weight:600;font-size:13px;cursor:pointer;font-family:'Inter';transition:opacity .12s;}
.btn:hover{opacity:.88;}
.btn.secondary{background:var(--panel2);color:var(--text);border:1px solid var(--border);}
.btn.danger{background:var(--danger);color:#fff;}
.btn.ghost{background:transparent;color:var(--muted);border:1px solid var(--border);}
.btn.sm{padding:5px 10px;font-size:12px;border-radius:6px;}

.grid{display:grid;gap:14px;}
.kpi-grid{grid-template-columns:repeat(auto-fill,minmax(190px,1fr));margin-bottom:20px;}
.card{background:var(--panel);border:1px solid var(--border-soft);border-radius:var(--radius);padding:16px 18px;}
.kpi{position:relative;overflow:hidden;}
.kpi-label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;font-weight:600;}
.kpi-value{font-family:'IBM Plex Mono';font-size:24px;font-weight:600;margin-top:8px;}
.kpi.accent .kpi-value{color:var(--accent);}
.kpi.warn .kpi-value{color:var(--warn);}
.kpi.danger .kpi-value{color:var(--danger);}
.kpi.purple .kpi-value{color:var(--purple);}

.section-title{font-size:14px;font-weight:700;margin:26px 0 12px;color:var(--text);display:flex;align-items:center;gap:8px;}
.section-title .tag{font-size:10px;background:var(--panel2);color:var(--muted);padding:2px 7px;border-radius:20px;font-weight:600;text-transform:uppercase;letter-spacing:.4px;}
.charts-grid{grid-template-columns:repeat(auto-fit,minmax(380px,1fr));}
.chart-card{padding:16px 18px 8px;}
.chart-card h3{font-size:13px;font-weight:600;margin-bottom:10px;color:var(--text);}
.chart-wrap{position:relative;height:220px;}

.gauge-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:20px;}
.gauge-card{background:var(--panel);border:1px solid var(--border-soft);border-radius:var(--radius);padding:16px;display:flex;align-items:center;gap:14px;flex:1;min-width:230px;}
.gauge-label{font-size:12px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.4px;}
.gauge-value{font-family:'IBM Plex Mono';font-size:22px;font-weight:700;margin-top:4px;}
.gauge-target{font-size:11px;color:var(--muted-dim);margin-top:2px;}

.table-wrap{overflow-x:auto;border:1px solid var(--border-soft);border-radius:var(--radius);background:var(--panel);}
table{width:100%;border-collapse:collapse;font-size:13px;min-width:720px;}
th{text-align:left;padding:10px 14px;color:var(--muted);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.4px;border-bottom:1px solid var(--border-soft);background:var(--panel2);white-space:nowrap;}
td{padding:10px 14px;border-bottom:1px solid var(--border-soft);white-space:nowrap;}
tr:last-child td{border-bottom:none;}
tr:hover td{background:var(--panel2);}
.num{font-family:'IBM Plex Mono';}
.badge{display:inline-block;padding:3px 9px;border-radius:20px;font-size:11px;font-weight:600;}
.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:14px;flex-wrap:wrap;}
.toolbar input,.toolbar select{background:var(--panel2);border:1px solid var(--border);color:var(--text);padding:8px 10px;border-radius:7px;font-size:12.5px;font-family:'Inter';}
.toolbar .spacer{flex:1;}
.icon-btn{background:none;border:none;color:var(--muted);cursor:pointer;font-size:14px;padding:4px 6px;border-radius:5px;}
.icon-btn:hover{background:var(--panel2);color:var(--text);}

.overlay{position:fixed;inset:0;background:rgba(4,6,10,.6);backdrop-filter:blur(2px);display:none;align-items:flex-start;justify-content:center;z-index:100;overflow-y:auto;padding:40px 20px;}
.overlay.open{display:flex;}
.modal{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);width:100%;max-width:560px;padding:22px 24px;}
.modal h2{font-size:16px;margin-bottom:16px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.field.full{grid-column:1/-1;}
.field label{display:block;font-size:11px;color:var(--muted);margin-bottom:5px;font-weight:600;text-transform:uppercase;letter-spacing:.3px;}
.field input,.field select,.field textarea{width:100%;background:var(--panel2);border:1px solid var(--border);color:var(--text);padding:9px 10px;border-radius:7px;font-size:13px;font-family:'Inter';}
.field textarea{resize:vertical;min-height:56px;}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px;}

.empty{padding:40px 20px;text-align:center;color:var(--muted-dim);font-size:13px;}
.progress{height:7px;background:var(--panel2);border-radius:6px;overflow:hidden;margin-top:8px;}
.progress-bar{height:100%;border-radius:6px;transition:width .3s;}
.two-col{display:grid;grid-template-columns:1.4fr 1fr;gap:16px;}
.hint{font-size:11.5px;color:var(--muted-dim);margin-top:10px;line-height:1.5;}
.history-list{list-style:none;margin-top:8px;font-size:12px;color:var(--muted);}
.history-list li{padding:4px 0;border-bottom:1px dashed var(--border-soft);}
@media(max-width:900px){.two-col{grid-template-columns:1fr;}.rail{display:none;}}

/* Auth pages */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;}
.auth-card{background:var(--panel);border:1px solid var(--border-soft);border-radius:var(--radius);padding:32px 30px;width:100%;max-width:380px;}
.auth-card .brand{justify-content:center;padding:0 0 22px;}
.auth-card h1{font-size:18px;text-align:center;margin-bottom:4px;}
.auth-card p.hint{text-align:center;margin-bottom:20px;}
.auth-error{background:var(--danger-dim);color:#ffb3c0;border:1px solid var(--danger);padding:9px 12px;border-radius:8px;font-size:12.5px;margin-bottom:14px;}
.auth-ok{background:var(--accent-dim);color:#9df0e6;border:1px solid var(--accent);padding:9px 12px;border-radius:8px;font-size:12.5px;margin-bottom:14px;}
.field{margin-bottom:14px;}
.auth-card .btn{width:100%;padding:11px;}

/* Users table (settings) */
.user-row{display:flex;justify-content:space-between;align-items:center;padding:9px 0;border-bottom:1px dashed var(--border-soft);}
.perm-grid{display:grid;grid-template-columns:1fr 1fr;gap:2px 12px;margin-top:6px;background:var(--panel2);border:1px solid var(--border);border-radius:8px;padding:8px 12px;}