:root{
  --bg:#0b0f14;
  --bg2:#10161d;
  --panel:#1a222c;
  --panel2:#202b36;
  --panel3:#263342;
  --line:#344657;
  --line2:#455a70;
  --text:#e8eef5;
  --muted:#9fb0c2;
  --cyan:#35c3ff;
  --green:#22c55e;
  --lime:#84cc16;
  --yellow:#facc15;
  --orange:#fb923c;
  --red:#ef4444;
  --blue:#60a5fa;
  --shadow:0 10px 28px rgba(0,0,0,.35);
  --radius:14px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:linear-gradient(180deg,var(--bg),#0e141b 100%);
  color:var(--text);
  font:14px/1.35 "Segoe UI",Tahoma,Arial,sans-serif;
}
a{text-decoration:none;color:inherit}

.topbar{
  position:sticky;
  top:0;
  z-index:80;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:10px 16px;
  background:linear-gradient(180deg,#0c1117,#111821);
  border-bottom:1px solid #233140;
}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}
.logo{
  width:48px;height:48px;border-radius:10px;background:#0f1720;border:1px solid #223140;
  display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.logo img{max-width:100%;max-height:100%;object-fit:contain}
.brand-title{margin:0;font-size:18px;font-weight:800;letter-spacing:.3px}
.brand-subtitle{margin:2px 0 0;color:var(--muted);font-size:12px}
.topbar-actions{display:flex;gap:8px;flex-wrap:wrap}

.container{
  max-width:1500px;
  margin:14px auto 24px;
  padding:0 12px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:40px;
  padding:0 14px;
  border-radius:10px;
  border:1px solid #3a4c60;
  cursor:pointer;
  color:#fff;
  font-weight:700;
  background:linear-gradient(180deg,#2d3c4d,#22303e);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.btn:hover{filter:brightness(1.08)}
.btn-primary{background:linear-gradient(180deg,#1293d8,#0d74ac);border-color:#1d8ec9}
.btn-green{background:linear-gradient(180deg,#22c55e,#169b47);border-color:#15803d}
.btn-red{background:linear-gradient(180deg,#ef4444,#c53030);border-color:#b91c1c}
.btn-yellow{background:linear-gradient(180deg,#eab308,#ca8a04);border-color:#a16207;color:#1f2937}
.btn-dark{background:linear-gradient(180deg,#2d3c4d,#22303e)}

.page-header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  margin-bottom:12px;
  flex-wrap:wrap;
}
.page-title{margin:0;font-size:28px;font-weight:900}
.page-subtitle{margin:4px 0 0;color:var(--muted)}

.card{
  background:linear-gradient(180deg,var(--panel),var(--panel2));
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:14px;
}
.card + .card{margin-top:12px}

.status-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(180px,1fr));
  gap:10px;
  margin-bottom:12px;
}
.status-box{
  background:linear-gradient(180deg,#1c2530,#222f3d);
  border:1px solid var(--line);
  border-radius:12px;
  padding:12px;
}
.status-label{
  color:var(--muted);
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.06em;
  font-weight:700;
}
.status-value{
  margin-top:5px;
  font-size:24px;
  font-weight:900;
}
.status-note{
  margin-top:4px;
  color:var(--muted);
  font-size:12px;
}

.dashboard-list{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.modem-row{
  display:grid;
  grid-template-columns:minmax(260px,1fr) minmax(360px,1fr) auto;
  gap:12px;
  align-items:center;
  background:linear-gradient(180deg,#1a232d,#212d3a);
  border:1px solid var(--line);
  border-radius:12px;
  padding:12px 14px;
  box-shadow:var(--shadow);
}
.modem-row:hover{border-color:#4c657d}
.modem-title{
  margin:0;
  font-size:18px;
  font-weight:800;
}
.modem-sub{
  margin-top:4px;
  color:var(--muted);
  font-size:12px;
  font-family:Consolas,monospace;
}
.mini-stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:8px;
}
.mini{
  background:#18212b;
  border:1px solid #324253;
  border-radius:10px;
  padding:9px 8px;
  text-align:center;
}
.mini-n{display:block;font-size:18px;font-weight:800}
.mini-t{display:block;margin-top:3px;font-size:11px;color:var(--muted)}
.modem-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}

.panel-title{
  margin:0 0 4px;
  font-size:18px;
  font-weight:800;
}
.panel-subtitle{
  margin:0 0 12px;
  color:var(--muted);
  font-size:13px;
}

.form-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(160px,1fr));
  gap:10px;
  align-items:end;
}
label{
  display:block;
  margin-bottom:6px;
  color:#d9e4ef;
  font-weight:700;
  font-size:13px;
}
input,select,button{
  font:inherit;
}
input,select{
  width:100%;
  min-height:40px;
  background:#111923;
  color:var(--text);
  border:1px solid #3a4d61;
  border-radius:10px;
  padding:9px 10px;
}
input:focus,select:focus{
  outline:none;
  border-color:#4fc3f7;
  box-shadow:0 0 0 3px rgba(79,195,247,.15);
}
.btn-row{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-top:12px;
}

.scada-grid{
  display:grid;
  grid-template-columns:2.2fr 1fr;
  gap:12px;
}
.left-stack{
  display:grid;
  gap:12px;
}
.right-stack{
  display:grid;
  gap:12px;
}

.gauges-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(170px,1fr));
  gap:12px;
}
.gauge-card{
  background:linear-gradient(180deg,#202a36,#273443);
  border:1px solid #3b4f64;
  border-radius:12px;
  padding:12px;
  text-align:center;
}
.gauge-title{
  min-height:34px;
  color:#dbe7f3;
  font-size:12px;
  font-weight:700;
}
.gauge-wrap{
  width:118px;
  height:118px;
  margin:8px auto 0;
  border-radius:50%;
  position:relative;
  background:
    radial-gradient(circle at center, #0f141a 0 42px, transparent 43px),
    conic-gradient(from 220deg, var(--green) 0deg, var(--yellow) 120deg, var(--orange) 185deg, var(--red) 250deg, #253546 250deg 320deg, transparent 320deg);
  border:3px solid #111923;
  box-shadow:inset 0 0 0 6px #1a2430;
}
.gauge-mask{
  position:absolute;
  inset:14px;
  border-radius:50%;
  background:#101722;
  border:1px solid #2f4255;
}
.gauge-needle{
  position:absolute;
  width:4px;
  height:44px;
  left:50%;
  top:50%;
  transform-origin:50% calc(100% - 6px);
  margin-left:-2px;
  margin-top:-38px;
  background:linear-gradient(180deg,#e2e8f0,#ef4444);
  border-radius:4px;
  box-shadow:0 0 8px rgba(255,255,255,.15);
}
.gauge-center{
  position:absolute;
  width:18px;height:18px;border-radius:50%;
  left:50%;top:50%;transform:translate(-50%,-50%);
  background:#d8e1ea;
  border:3px solid #7f1d1d;
}
.gauge-value{
  margin-top:8px;
  font-size:24px;
  font-weight:900;
  line-height:1;
}
.gauge-key{
  margin-top:5px;
  font-size:11px;
  color:var(--muted);
  font-family:Consolas,monospace;
}

.signal-panel{
  background:linear-gradient(180deg,#202a36,#273443);
  border:1px solid #3b4f64;
  border-radius:12px;
  padding:12px;
}
.signal-list{
  display:grid;
  gap:8px;
}
.signal-item{
  display:grid;
  grid-template-columns:18px 1fr auto;
  gap:8px;
  align-items:center;
  background:#16202b;
  border:1px solid #304254;
  border-radius:10px;
  padding:8px 10px;
}
.lamp{
  width:12px;height:12px;border-radius:50%;
  box-shadow:0 0 10px rgba(0,0,0,.45), inset 0 1px 2px rgba(255,255,255,.2);
}
.lamp.on{background:#22c55e; box-shadow:0 0 12px rgba(34,197,94,.65)}
.lamp.off{background:#ef4444; box-shadow:0 0 12px rgba(239,68,68,.45)}
.signal-name{font-size:12px;color:#dbe6f1}
.signal-val{
  min-width:34px;
  text-align:center;
  font-weight:800;
  color:#fff;
  padding:4px 8px;
  border-radius:8px;
  background:#0f1720;
  border:1px solid #33465a;
}

.checklist{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:10px;
}
.check-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:#16202b;
  border:1px solid #33475b;
  border-radius:999px;
  padding:7px 11px;
  color:#dce8f3;
  font-weight:700;
  cursor:pointer;
}
.check-pill input{
  width:18px;height:18px;min-height:auto;margin:0;
  accent-color:#35c3ff;
}

.chart-shell{
  width:100%;
  height:340px;
  min-height:340px;
  max-height:340px;
  background:#0f1720;
  border:1px solid #33475b;
  border-radius:12px;
  padding:10px;
}

.table-wrap{
  overflow:auto;
  border:1px solid #33475b;
  border-radius:12px;
}
.table{
  width:100%;
  min-width:980px;
  border-collapse:collapse;
}
.table th,.table td{
  padding:8px 9px;
  border-bottom:1px solid #263545;
}
.table th{
  background:#16212c;
  color:#cfe0f1;
  text-align:left;
  position:sticky;
  top:0;
  z-index:1;
  font-size:12px;
}
.table td{
  background:#121b24;
  font-size:12px;
}
.table tr:hover td{background:#162330}
.mono{font-family:Consolas,monospace}
.nowrap{white-space:nowrap}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 10px;
  border-radius:999px;
  background:#11263a;
  border:1px solid #1f4a69;
  color:#7dd3fc;
  font-size:12px;
  font-weight:800;
}

.empty-state{
  background:#111923;
  border:1px dashed #40556a;
  border-radius:12px;
  padding:22px;
  text-align:center;
  color:var(--muted);
}

.no-print{}

@media (max-width:1200px){
  .modem-row{grid-template-columns:1fr}
  .modem-actions{justify-content:flex-start}
  .scada-grid{grid-template-columns:1fr}
}
@media (max-width:900px){
  .status-strip,.form-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:650px){
  .status-strip,.form-grid{grid-template-columns:1fr}
  .mini-stats{grid-template-columns:1fr 1fr}
  .topbar{flex-direction:column;align-items:flex-start}
  .topbar-actions{width:100%}
  .btn{width:100%}
}
@media print{
  body{background:#fff;color:#000}
  .topbar,.no-print,.checklist{display:none !important}
  .card,.gauge-card,.signal-panel,.status-box{
    background:#fff !important;color:#000 !important;box-shadow:none !important;border:1px solid #999 !important;
  }
  .container{max-width:none;margin:0;padding:0}
  .chart-shell{
    background:#fff !important;
    height:320px !important;min-height:320px !important;max-height:320px !important;
    page-break-inside:avoid;
  }
  .table th,.table td{
    background:#fff !important;color:#000 !important;border-color:#ccc !important;
  }
}