:root{--bg:#f4f7fb;--panel:#fff;--text:#182234;--muted:#738095;--line:#e2e8f0;--primary:#265ecf;--primary2:#163b86;--danger:#b42318;--dangerbg:#fef3f2;--warn:#b54708;--warnbg:#fffaeb;--success:#067647;--successbg:#ecfdf3;--info:#344054;--infobg:#f2f4f7;--shadow:0 8px 25px rgba(23,43,77,.06)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.45 Inter,Segoe UI,Arial,sans-serif}a{color:var(--primary);text-decoration:none}.app-shell{display:flex;min-height:100vh}.sidebar{width:238px;background:#101828;color:#fff;padding:18px 12px;position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column}.brand{display:flex;gap:10px;align-items:center;padding:4px 8px 24px}.brand strong{display:block}.brand span{display:block;color:#98a2b3;font-size:12px}.brand-mark{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,#3478f6,#13336d);display:grid;place-items:center;color:#fff;font-weight:800;font-size:20px;box-shadow:var(--shadow)}.brand-mark.small{width:38px;height:38px;border-radius:10px;font-size:15px}.sidebar nav{display:flex;flex-direction:column;gap:4px}.sidebar nav a{color:#d0d5dd;padding:10px 12px;border-radius:9px;display:flex;gap:11px;align-items:center}.sidebar nav a:hover,.sidebar nav a.active{background:#1d2939;color:#fff}.sidebar-bottom{margin-top:auto;border-top:1px solid #344054;padding:15px 10px;display:flex;justify-content:space-between;color:#d0d5dd}.main{margin-left:238px;min-width:0;width:calc(100% - 238px)}.topbar{height:86px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px}.topbar h1{font-size:22px;margin:0}.subtitle{font-size:12px;color:var(--muted)}.global-search input{width:300px}.content{padding:24px 28px}.footer{padding:10px 28px 25px;color:var(--muted);font-size:12px}.card{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:18px;box-shadow:var(--shadow);margin-bottom:18px}.card-title{font-size:16px;font-weight:700;margin-bottom:14px}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stat{display:flex;flex-direction:column}.stat span{color:var(--muted)}.stat strong{font-size:32px;margin-top:8px}.stat.danger{border-left:4px solid var(--danger)}.stat.warning{border-left:4px solid var(--warn)}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}.metric-row,.entity-row{display:flex;justify-content:space-between;align-items:center;padding:11px 0;border-bottom:1px solid var(--line)}.entity-row>div{display:flex;flex-direction:column}.entity-row>div:last-child{align-items:flex-end;gap:4px}.entity-row small,.item small,td small{display:block;color:var(--muted)}.alert-row{display:flex;align-items:flex-start;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);color:var(--text)}.alert-row div{display:flex;flex-direction:column}.badge{display:inline-flex;padding:3px 8px;border-radius:999px;font-size:11px;font-weight:700;white-space:nowrap}.badge.danger{background:var(--dangerbg);color:var(--danger)}.badge.warning{background:var(--warnbg);color:var(--warn)}.badge.success{background:var(--successbg);color:var(--success)}.badge.info{background:var(--infobg);color:var(--info)}table{border-collapse:collapse;width:100%}th{text-align:left;color:#667085;font-size:11px;text-transform:uppercase;letter-spacing:.03em;padding:10px;border-bottom:1px solid var(--line)}td{padding:11px 10px;border-bottom:1px solid #eef2f6;vertical-align:top}.table-wrap,.table-card{overflow-x:auto}.clickable{cursor:pointer}.clickable:hover{background:#f8fafc}input,select,textarea{width:100%;padding:9px 10px;border:1px solid #d0d5dd;border-radius:8px;background:#fff;color:var(--text);font:inherit}textarea{min-height:90px;resize:vertical}label{display:flex;flex-direction:column;gap:5px;color:#475467;font-size:12px;margin-bottom:11px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 18px}.form-grid .full{grid-column:1/-1}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid #d0d5dd;background:#fff;color:#344054;border-radius:8px;padding:8px 12px;font-weight:600;cursor:pointer}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.small{padding:4px 8px;font-size:11px}.btn.wide{width:100%}.toolbar,.filters{display:flex;gap:10px;align-items:center;margin-bottom:18px}.filters input{min-width:240px}.filters select{min-width:170px}.alert{padding:12px 14px;border-radius:9px;margin:14px 28px 0}.alert.success{background:var(--successbg);color:var(--success)}.alert.danger{background:var(--dangerbg);color:var(--danger)}.alert.warning{background:var(--warnbg);color:var(--warn)}.login-body{display:grid;place-items:center;min-height:100vh;background:radial-gradient(circle at top,#eff5ff,#f8fafc 50%)}.login-card,.setup-card{width:min(430px,92vw);background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:0 25px 60px rgba(15,23,42,.12)}.login-card .brand-mark,.setup-card .brand-mark{margin:0 auto 15px}.login-card h1,.setup-card h1{text-align:center;margin:0}.login-card>p{text-align:center}.muted,.empty{color:var(--muted)}.device-hero{background:linear-gradient(135deg,#122448,#214b98);color:#fff;padding:22px;border-radius:14px;margin-bottom:18px;display:flex;justify-content:space-between;align-items:center}.device-hero h2{margin:8px 0 2px;font-size:26px}.device-hero 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