:root{--bg:#071018;--panel:#0d1a24;--panel2:#112330;--line:#1e3544;--text:#eaf4f7;--muted:#83a0ad;--aqua:#41e0cf;--blue:#3097ff;--danger:#ff6577}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 80% -20%,#123448 0,transparent 35%),var(--bg);color:var(--text);font:15px/1.5 Inter,ui-sans-serif,system-ui,sans-serif;min-height:100vh}header{height:68px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1180px)/2));background:#08121bd9;backdrop-filter:blur(12px)}.brand{font-size:20px;font-weight:700;color:white;text-decoration:none;letter-spacing:.3px}.brand span{color:var(--aqua);margin-right:8px}nav{display:flex;gap:22px;align-items:center;color:var(--muted)}nav a,.link{color:var(--muted);text-decoration:none;background:none;border:0;padding:0;font:inherit}nav form{margin:0}main{max-width:1180px;margin:0 auto;padding:52px 24px 80px}footer{text-align:center;color:#46606d;padding:30px}.heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:35px}.heading h1,.login h1{font-size:42px;line-height:1.08;margin:7px 0}.heading p,.login p{color:var(--muted)}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--aqua);font-weight:700}.metric{text-align:right}.metric b{display:block;font-size:34px}.metric span{color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px;margin-bottom:42px}.card{background:linear-gradient(145deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:12px;padding:20px;color:var(--text);text-decoration:none}.card.customer,.card.device{display:flex;gap:15px;align-items:center;transition:.2s}.card:hover{border-color:#33768a;transform:translateY(-1px)}.card h2,.card h3{margin:0}.card p{margin:3px 0 0;color:var(--muted)}.arrow{margin-left:auto;color:var(--aqua);font-size:22px}.status{width:9px;height:9px;background:var(--aqua);border-radius:50%;box-shadow:0 0 12px var(--aqua)}.status.waiting{background:#e8ac49;box-shadow:none}.panel{background:#0b1720;border:1px solid var(--line);border-radius:12px;padding:24px;margin:28px 0}.panel h2{margin-top:0}.form-grid,.columns{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-grid .wide{grid-column:1/-1}.columns .panel{margin:12px 0}form{display:grid;gap:14px}label{display:grid;gap:6px;color:var(--muted);font-size:13px}input{width:100%;background:#071119;border:1px solid #294250;border-radius:7px;color:white;padding:11px 12px;font:inherit}input:focus{outline:2px solid #247a82;border-color:transparent}button{justify-self:start;background:var(--aqua);color:#04201e;border:0;border-radius:7px;padding:10px 17px;font-weight:750;cursor:pointer}.flash{padding:13px 16px;border-radius:8px;margin-bottom:20px;background:#13302d;border:1px solid #256057}.flash.error{background:#321820;border-color:#71303e}.login{max-width:460px;margin:8vh auto}.login .card{margin-top:30px}.empty{border:1px dashed #29414d;border-radius:10px;padding:30px;color:var(--muted)}.back{display:inline-block;color:var(--muted);text-decoration:none;margin-bottom:25px}pre{white-space:pre-wrap;overflow:auto;background:#050b10;padding:18px;border-radius:8px;color:#a9d9d4}.warning{color:#e8ac49}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:11px;border-bottom:1px solid var(--line);white-space:nowrap}th{color:var(--muted);font-size:12px;text-transform:uppercase}
@media(max-width:700px){.columns,.form-grid{grid-template-columns:1fr}.form-grid .wide{grid-column:auto}.heading{align-items:start}.heading h1,.login h1{font-size:34px}.metric{display:none}nav span{display:none}}

/* Device monitoring dashboard */
.device-hero{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:28px}.device-hero h1{font-size:42px;line-height:1.08;margin:7px 0}.device-hero p{margin:0;color:var(--muted)}.dot{padding:0 6px;color:#46606d}.device-state{display:flex;align-items:center;gap:11px;background:#0b1720;border:1px solid var(--line);border-radius:12px;padding:12px 16px;min-width:190px}.device-state b,.device-state small{display:block}.device-state small{color:var(--muted);font-size:11px;margin-top:2px}.state-dot{width:11px;height:11px;border-radius:50%;background:#e8ac49}.device-state.online .state-dot{background:var(--aqua);box-shadow:0 0 15px #41e0cfaa}.device-state.offline{border-color:#5a3d31}.summary-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-bottom:22px}.summary-card{background:linear-gradient(150deg,#112330,#0b1720);border:1px solid var(--line);border-radius:12px;padding:18px;min-width:0}.summary-card span,.summary-card small{display:block;color:var(--muted)}.summary-card span{font-size:12px;text-transform:uppercase;letter-spacing:.7px}.summary-card strong{display:block;font-size:25px;line-height:1.2;margin:10px 0 5px}.summary-card small{font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dashboard-columns{display:grid;grid-template-columns:minmax(0,2fr) minmax(260px,1fr);gap:18px}.dashboard-panel{margin:0;padding:22px}.section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.section-heading h2{margin:2px 0 0}.section-heading>span{color:var(--muted);font-size:12px}.interface-table th,.interface-table td{padding:12px 9px}.interface-table tbody tr:last-child td{border-bottom:0}.port-icon{display:inline-grid;place-items:center;width:25px;height:25px;margin-right:8px;border-radius:6px;background:#16303d;color:var(--aqua)}.rate{font-variant-numeric:tabular-nums}.rate.in{color:#73d7ff}.rate.out{color:#70e5b4}.bad{color:var(--danger);font-weight:700}.sensor-list{display:grid}.sensor-row{display:flex;align-items:center;justify-content:space-between;padding:13px 0;border-bottom:1px solid var(--line)}.sensor-row:last-child{border-bottom:0}.sensor-row>div{display:flex;align-items:center;gap:10px;min-width:0}.sensor-row b,.sensor-row small{display:block}.sensor-row b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sensor-row small{font-size:11px;color:var(--muted)}.sensor-row>strong{font-size:17px;white-space:nowrap}.sensor-icon{display:grid;place-items:center;width:30px;height:30px;border-radius:8px;background:#172b37;color:#e8ac49}.telemetry-note{text-align:center;color:#58717d;font-size:12px;margin-top:22px}@media(max-width:1050px){.summary-grid{grid-template-columns:repeat(3,1fr)}.dashboard-columns{grid-template-columns:1fr}}@media(max-width:700px){.device-hero{align-items:flex-start;gap:18px}.device-hero h1{font-size:34px}.device-state{min-width:auto}.device-state small{display:none}.summary-grid{grid-template-columns:repeat(2,1fr)}.summary-card{padding:15px}.summary-card strong{font-size:22px}.interface-table th:nth-child(4),.interface-table td:nth-child(4),.interface-table th:nth-child(5),.interface-table td:nth-child(5){display:none}}