@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');
:root{--primary:#00adee;--primary2:#667eea;--purple:#764ba2;--dark:#172033;--muted:#64748b;--line:#e2e8f0;--bg:#f1f5f9;--danger:#ef4444;--ok:#10b981;--warn:#f59e0b;--panel:rgba(255,255,255,.94)}
*{box-sizing:border-box}html,body{min-height:100%;}body{margin:0;font-family:'Poppins',sans-serif;background:var(--bg);color:var(--dark);font-size:14px}button,input,select,textarea{font-family:'Poppins',sans-serif}.topbar{height:68px;background:#fff;border-bottom:1px solid #e5e7eb;display:flex;align-items:center;justify-content:space-between;padding:0 4.8%;position:sticky;top:0;z-index:100;box-shadow:0 1px 8px rgba(15,23,42,.04)}.brand{font-weight:800;color:#172033;text-decoration:none;font-size:19px;display:flex;align-items:center;white-space:nowrap}.brand span{display:inline-flex;width:30px;height:30px;background:#0ea5e9;color:#fff;border-radius:7px;align-items:center;justify-content:center;font-size:11px;margin-right:9px;font-weight:800}.topbar nav{display:flex;gap:20px;align-items:center}.topbar nav a{color:#334155;text-decoration:none;font-size:13px;font-weight:600;transition:.2s}.topbar nav a:hover{color:#2563eb}.topbar .navbtn,.btn{background:linear-gradient(135deg,#0ea5e9,#00adee);color:#fff!important;padding:9px 15px;border-radius:8px;border:0;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;font-weight:600;box-shadow:0 3px 9px rgba(14,165,233,.18);transition:.2s}.btn:hover{transform:translateY(-1px);box-shadow:0 6px 14px rgba(14,165,233,.25)}.logout{color:#ef4444!important}.wrap{width:100%;max-width:none;margin:0;padding:20px 16px}.hero{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.hero h1{margin:0 0 4px;font-size:25px;font-weight:700}.muted{color:var(--muted);font-size:12px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.card{background:var(--panel);border:1px solid rgba(226,232,240,.9);border-radius:12px;padding:17px;box-shadow:0 5px 18px rgba(15,23,42,.055);backdrop-filter:blur(8px)}.card h2,.card h3{margin:0 0 10px;font-weight:700}.wide{grid-column:1/-1}.metric{font-size:28px;font-weight:800;margin:7px 0;color:#172033}.status{font-size:11px;font-weight:700;padding:4px 9px;border-radius:999px;background:#e2e8f0;display:inline-flex;align-items:center}.online{background:#d1fae5;color:#047857}.offline{background:#fee2e2;color:#b91c1c}.formgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.field label{display:block;font-size:11px;font-weight:700;margin-bottom:5px;color:#475569}.field input,.field select,.field textarea{width:100%;border:1px solid #cbd5e1;border-radius:8px;padding:9px 10px;font:inherit;background:#fff;outline:none;transition:.2s}.field input:focus,.field select:focus,.field textarea:focus{border-color:#38bdf8;box-shadow:0 0 0 3px rgba(56,189,248,.12)}.field textarea{min-height:90px}.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:13px}.btn.secondary{background:#fff;color:#334155!important;border:1px solid #cbd5e1;box-shadow:none}.btn.secondary:hover{background:#f8fafc}.btn.danger{background:#ef4444}.btn.small{padding:7px 11px;font-size:11px;border-radius:7px}.tablewrap{overflow:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:10px;border-bottom:1px solid var(--line);text-align:left;font-size:12px}.table th{font-size:10px;text-transform:uppercase;color:#64748b;font-weight:700}.sensor-card{position:relative;overflow:hidden}.sensor-card:before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--sensor-color,#0ea5e9)}.sensor-icon{width:40px;height:40px;border-radius:10px;background:var(--sensor-bg,#e0f2fe);color:var(--sensor-color,#0ea5e9);display:flex;align-items:center;justify-content:center;font-size:16px}.sensor-top{display:flex;justify-content:space-between;align-items:center}.alert{padding:9px 10px;border-radius:8px;background:#fff7ed;color:#9a3412;border:1px solid #fed7aa;font-size:11px;margin-top:8px}.ok{color:#047857}.err{color:#b91c1c}.auth{min-height:calc(100vh - 68px);display:flex;align-items:center;justify-content:center;padding:30px;background:linear-gradient(135deg,#eef7ff,#f6f2ff)}.authbox{width:430px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:0 15px 40px rgba(15,23,42,.08)}.authbox h1{margin-top:0}.help{background:#eff6ff;border:1px solid #bfdbfe;color:#1e40af;padding:11px;border-radius:8px;font-size:12px;margin-bottom:14px}.tag{display:inline-block;background:#f1f5f9;padding:5px 8px;border-radius:6px;font-size:10px;margin:2px}.rule{border-left:3px solid var(--primary);padding-left:12px;margin:10px 0}.code{background:#0b1220;color:#d1d5db;padding:18px;border-radius:9px;overflow:auto;white-space:pre;font:12px/1.6 Consolas,monospace}.footer{text-align:center;color:#94a3b8;padding:24px;font-size:11px}.page-shell{width:100%;max-width:none;margin:0;padding:18px 16px}.dashboard-layout{display:grid;grid-template-columns:255px minmax(0,1fr);gap:16px;align-items:start}.device-sidebar{position:sticky;top:84px;background:rgba(255,255,255,.95);border:1px solid #e2e8f0;border-radius:14px;box-shadow:0 5px 18px rgba(15,23,42,.055);padding:14px}.sidebar-title{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:700;color:#1f2937;margin-bottom:12px}.sidebar-title i{color:#0ea5e9}.device-list{display:flex;flex-direction:column;gap:7px}.device-item{display:flex;align-items:center;gap:9px;padding:10px;border-radius:9px;border-left:4px solid transparent;text-decoration:none;color:#334155;transition:.2s}.device-item:hover{background:#f8fafc;transform:translateX(3px)}.device-item.active{background:#eff6ff;border-left-color:#3b82f6;color:#1d4ed8}.device-icon{width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:8px;background:#e0f2fe;color:#0284c7;flex:0 0 30px}.device-item.active .device-icon{background:#dbeafe;color:#2563eb}.device-meta{min-width:0;flex:1}.device-name{font-size:12px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.device-sub{font-size:9px;color:#94a3b8;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.side-dot{width:8px;height:8px;border-radius:50%;background:#ef4444;flex:0 0 8px}.side-dot.online{background:#10b981;box-shadow:0 0 7px rgba(16,185,129,.55)}.sidebar-add{width:100%;margin-top:12px}.dash-main{min-width:0}.dash-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}.dash-title{font-size:24px;font-weight:700;margin:0}.dash-actions{display:flex;gap:7px;flex-wrap:wrap}.status-card{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;padding:13px 16px}.sensor-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.control-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin-top:13px}.section-card{margin-top:14px}.section-heading{display:flex;align-items:center;gap:8px;margin-bottom:3px}.section-heading i{color:#6366f1}.section-heading h2{margin:0;font-size:19px}.section-sub{font-size:11px;color:#64748b;margin-bottom:10px}.control-card{position:relative;overflow:hidden}.control-card:before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(#00adee,#667eea)}.control-state{font-size:11px;font-weight:700;padding:4px 9px;border-radius:999px;background:#f1f5f9;color:#475569;display:inline-flex}.control-state.on{background:#dcfce7;color:#15803d}.control-buttons{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}.control-buttons .btn{min-width:62px}.chart-card{margin-top:12px;padding:13px;background:rgba(255,255,255,.94);border:1px solid #e2e8f0;border-radius:11px}.chart-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:5px}.chart-title{font-size:12px;font-weight:700}.chart-points{font-size:10px;color:#94a3b8}.chart-wrap{height:220px;position:relative}.tool-bar{display:flex;gap:7px;flex-wrap:wrap;margin-top:10px}.tool-bar .btn{font-size:11px}.empty-card{text-align:center;padding:42px 20px}.brand-font{font-family:'Poppins',sans-serif!important}
@media(max-width:1050px){.sensor-grid,.control-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.dashboard-layout{grid-template-columns:220px minmax(0,1fr)}}@media(max-width:800px){.grid,.sensor-grid,.control-grid{grid-template-columns:1fr}.formgrid{grid-template-columns:1fr}.topbar{padding:0 14px}.topbar nav{gap:9px}.topbar nav a:not(.navbtn){display:none}.hero,.dash-head{display:block}.hero .btn,.dash-actions{margin-top:10px}.dashboard-layout{grid-template-columns:1fr}.device-sidebar{position:relative;top:auto}.device-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.status-card{align-items:flex-start;flex-direction:column}}

/* Dashboard refinements: compact IndustryControl-style stat cards and tabbed charts */
.device-item{align-items:flex-start;min-width:0}
.device-meta{min-width:0;overflow:hidden}
.device-name,.device-sub{display:block;max-width:100%;white-space:normal;overflow-wrap:anywhere;word-break:break-word;line-height:1.35}
.device-name{font-size:12px;font-weight:700;color:#334155}
.device-sub{font-size:9px;margin-top:3px}
.device-item.active .device-name{color:#1d4ed8}

/* Keep four compact stat cards per row on desktop */
.sensor-grid,.control-grid{grid-template-columns:repeat(4,minmax(0,1fr));}

.sensor-card,.control-card{min-height:145px;padding:12px}
.sensor-card{display:flex;flex-direction:column;justify-content:flex-start}
.sensor-top{min-height:38px}
.sensor-top b{font-size:12px;color:#1f2937}
.sensor-card .metric{font-size:22px;line-height:1.15;margin:11px 0 2px}
.sensor-card>.muted{font-size:10px}
.sensor-card .sensor-icon{width:34px;height:34px;flex:0 0 34px}
.sensor-card .alert{margin-top:6px}
.sensor-card>div:last-child{margin-top:auto!important;padding-top:6px;font-size:10px}

.control-card{display:flex;flex-direction:column;justify-content:flex-start}
.control-card .section-heading{min-height:22px}
.control-card .section-heading h3{font-size:12px}
.control-card .control-state{margin-top:9px!important;font-size:10px}
.control-card .control-buttons{margin-top:auto;padding-top:9px}

.chart-tabs{display:flex;gap:6px;overflow-x:auto;padding:2px 0 8px;margin-top:9px;border-bottom:1px solid #e2e8f0}
.chart-tab{border:1px solid #dbe3ec;background:#f8fafc;color:#64748b;border-radius:8px;padding:7px 12px;font:600 10px Poppins,sans-serif;cursor:pointer;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;transition:.2s}
.chart-tab:hover{background:#eff6ff;color:#2563eb;border-color:#bfdbfe}
.chart-tab.active{background:#eff6ff;color:#2563eb;border-color:#93c5fd;box-shadow:0 1px 3px rgba(37,99,235,.08)}
.chart-card{display:none;margin-top:12px}
.chart-card.active{display:block}
.chart-wrap{height:245px}
.chart-empty{padding:14px 4px;color:#94a3b8;font-size:11px}

/* Dashboard responsive overrides only */
@media(max-width:1050px){
    .sensor-grid,.control-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:800px){
    .sensor-grid,.control-grid{grid-template-columns:1fr}
    .sensor-card,.control-card{min-height:145px}
    .chart-wrap{height:220px}
}