:root{
  --bg:#0f1724;
  --card:#ffffff;
  --muted:#6b7280;
  --accent:#1e90ff;
  --success:#10b981;
  --danger:#ff6b6b;
  --glass: rgba(183, 174, 231, 0.02);
  --radius:12px;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;background:linear-gradient(180deg,#0b1220 0%, #071021 100%);color:#e6eef8}
.app{display:flex;min-height:100vh}
.sidebar{width:260px;background:linear-gradient(180deg,#081226,#081426);padding:20px;display:flex;flex-direction:column;gap:18px}
.brand{display:flex;gap:12px;align-items:center}
.brand-logo{width:44px;height:44px;border-radius:10px;background:#fff;color:var(--accent);display:grid;place-items:center;font-weight:800}
.brand-info strong{display:block;font-size:16px}
.brand-info span{display:block;font-size:12px;color:#9fb0cc}
.nav{display:flex;flex-direction:column;gap:6px;margin-top:6px}
.nav a{color:#b9ccdf;text-decoration:none;padding:10px;border-radius:8px;font-weight:600}
.nav a:hover, .nav a.active{background:rgba(255,255,255,0.03);color:#fff}
.sidebar-footer{margin-top:auto;font-size:12px;color:#7f98b5}

.main{flex:1;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid rgba(255,255,255,0.02)}
.topbar h1{margin:0;font-size:20px}
.hamburger{display:none;background:transparent;border:0;color:#cfe6ff;font-size:18px;padding:8px}
.top-actions{display:flex;align-items:center;gap:12px}
.top-actions img{width:34px;height:34px;border-radius:50%;object-fit:cover}
.kpi-inline{display:flex;gap:10px;align-items:center}
.kpi{background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));padding:8px 12px;border-radius:10px;min-width:120px}
.kpi-title{font-size:12px;color:var(--muted)}
.kpi-value{font-weight:800;font-size:16px;color:#fff}

.content-grid{display:grid;grid-template-columns:1fr 360px;gap:18px;padding:18px}
.content-wide{display:flex;flex-direction:column;gap:18px;padding:18px}
.card{background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));padding:16px;border-radius:var(--radius);box-shadow:0 6px 20px rgba(2,6,23,0.6)}
.legend{margin-top:8px;color:var(--muted);display:flex;gap:12px;align-items:center}
.legend i{display:inline-block;width:10px;height:10px;border-radius:2px}
.swatch{width:12px;height:12px;border-radius:3px;display:inline-block;margin-right:6px}
.sw1{background:#ff8a65}
.sw2{background:#4ade80}
.sw3{background:#7c7cff}

.table{width:100%;border-collapse:collapse;margin-top:8px}
.table th, .table td{padding:8px;text-align:left;border-bottom:1px dashed rgba(255,255,255,0.02);font-size:13px;color:#d8e6fb}
.table thead th{color:#9fb0cc;font-weight:700}
.pumps-list{display:flex;flex-direction:column;gap:8px}
.pump-item{display:flex;justify-content:space-between;align-items:center;padding:10px;border-radius:8px;background:rgba(255,255,255,0.01)}
.pump-item .state{font-weight:700;padding:6px 10px;border-radius:999px;font-size:13px}
.state.active{background:rgba(74,222,128,0.12);color:var(--success)}
.state.idle{background:rgba(255,223,93,0.07);color:#f59e0b}
.state.offline{background:rgba(255,99,99,0.06);color:var(--danger)}

.progress{height:12px;background:rgba(255,255,255,0.03);border-radius:999px;overflow:hidden;margin:8px 0}
.bar{height:100%;background:linear-gradient(90deg,#ff8a65,#ffb86b)}

.pumps-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.pump-card{padding:12px;border-radius:10px;background:linear-gradient(180deg,rgba(255,255,255,0.01),rgba(255,255,255,0.005))}
.pump-card h4{margin:0 0 6px}
.btn{background:var(--accent);color:#fff;padding:8px 12px;border-radius:8px;border:0;cursor:pointer;font-weight:700}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,0.04)}
.actions{display:flex;gap:8px}

.tank-row{display:flex;gap:12px}
.tank-card{flex:1}
.tank-title{font-weight:700;color:#e8f1ff}

.row-split{display:flex;justify-content:space-between;align-items:center}
.big-number{font-size:28px;font-weight:800}

.footer{padding:18px 22px;color:var(--muted);border-top:1px solid rgba(255,255,255,0.02)}
.muted{color:var(--muted);font-size:13px}
.form label{display:block;margin-bottom:8px}
.form input, .form select{width:100%;padding:8px;border-radius:8px;border:1px solid rgba(255,255,255,0.04);background:transparent;color:#e6eef8}
.campaigns, .staff-list, .alerts{list-style:none;padding:0;margin:0}
.staff-list li, .campaigns li, .alerts li{padding:8px;border-radius:8px;margin-bottom:6px;background:rgba(255,255,255,0.01)}

@media (max-width:1000px){
  .content-grid{grid-template-columns:1fr}
  .pumps-grid{grid-template-columns:1fr}
  .sidebar{position:fixed;left:0;top:0;bottom:0;transform:translateX(-110%);transition:transform .25s ease;z-index:50}
  .sidebar.open{transform:none}
  .hamburger{display:inline-block}
}