:root{color:#102a43;font-synthesis:none;--ink:#102a43;--muted:#627d98;--blue:#075985;--blue-deep:#082f49;--cyan:#0891b2;--line:#d9e5ed;--surface:#fff;--success:#0f766e;--shadow:0 18px 50px #0f374e14;background:#f4f8fb;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{background:radial-gradient(circle at 10% 0,#0ea5e917,#0000 30%),#f4f8fb;min-width:320px;min-height:100vh;margin:0}button,input,select{font:inherit}button,select{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline-offset:2px;outline:3px solid #0891b259}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.startup,.center-screen{min-height:100vh;color:var(--muted);place-items:center;padding:24px;display:grid}.topbar{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);z-index:10;background:#ffffffe0;border-bottom:1px solid #d9e5edd9;justify-content:space-between;align-items:center;gap:24px;min-height:76px;padding:14px clamp(20px,5vw,72px);display:flex;position:sticky;top:0}.brand img{object-fit:contain;width:126px;height:32px;display:block}.topbar-actions,.account{align-items:center;gap:14px;display:flex}.customer-select select{border:1px solid var(--line);min-width:190px;color:var(--ink);background:#f8fbfd;border-radius:12px;padding:10px 34px 10px 12px;font-weight:600}.avatar{background:var(--blue-deep);color:#fff;border-radius:50%;place-items:center;width:34px;height:34px;font-weight:800;display:grid}.account-name{font-size:.9rem;font-weight:700}.text-button{color:var(--blue);background:0 0;border:0;padding:8px 0;font-weight:700}.dashboard,.onboarding{width:min(1180px,100% - 40px);margin:0 auto}.dashboard{padding:56px 0 80px}.hero{justify-content:space-between;align-items:end;gap:24px;margin-bottom:32px;display:flex}.eyebrow{color:var(--cyan);letter-spacing:.13em;text-transform:uppercase;margin:0 0 9px;font-size:.76rem;font-weight:800;line-height:1.3}h1,h2,h3,p{margin-top:0}h1{color:var(--blue-deep);letter-spacing:-.055em;margin-bottom:12px;font-size:clamp(2.1rem,5vw,4.6rem);line-height:.98}h2{color:var(--blue-deep);letter-spacing:-.035em;margin-bottom:8px;font-size:clamp(1.5rem,3vw,2.15rem)}h3{color:var(--blue-deep)}.hero p:last-child,.onboarding-copy>p,.claim-panel>div>p:last-child,.empty-state p{color:var(--muted)}.role-badge{color:var(--blue);text-transform:uppercase;background:#e9f7fb;border:1px solid #b9dce8;border-radius:999px;padding:8px 13px;font-size:.75rem;font-weight:800}.metrics{grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:58px;display:grid}.metric{border:1px solid var(--line);background:var(--surface);min-height:142px;box-shadow:var(--shadow);border-radius:22px;flex-direction:column;justify-content:space-between;padding:22px;display:flex}.metric span{color:var(--muted);font-size:.85rem;font-weight:700}.metric strong{color:var(--blue-deep);font-size:2.5rem;line-height:1}.metric-positive{background:#eefbf8}.metric-positive strong{color:var(--success)}.metric-accent{background:var(--blue-deep);border-color:var(--blue-deep)}.metric-accent span,.metric-accent strong{color:#fff}.section-head{justify-content:space-between;align-items:end;gap:24px;margin-bottom:20px;display:flex}.secondary-button,.primary-button,.error-card button{border:0;border-radius:12px;padding:12px 18px;font-weight:800}.secondary-button{border:1px solid var(--line);color:var(--blue);background:#fff}.primary-button,.error-card button{background:var(--blue);color:#fff;box-shadow:0 10px 24px #0759852e}.primary-button:disabled{cursor:wait;opacity:.65}.device-grid,.loading-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.device-card{border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;border-radius:20px;padding:20px}.device-card-head{justify-content:space-between;align-items:center;gap:12px;margin-bottom:24px;display:flex}.status-dot{border-radius:50%;width:9px;height:9px;margin-right:7px;display:inline-block}.status-dot.online{background:#10b981;box-shadow:0 0 0 5px #10b9811c}.status-dot.offline{background:#94a3b8}.status-label,.serial{color:var(--muted);font-size:.75rem;font-weight:700}.device-card h3{margin-bottom:6px;font-size:1.16rem}.device-state{color:var(--cyan);margin-bottom:22px;font-weight:800}.device-card dl{grid-template-columns:repeat(3,1fr);gap:10px;margin:0;display:grid}.device-card dl div{min-width:0}.device-card dt{color:var(--muted);font-size:.68rem;font-weight:700}.device-card dd{overflow-wrap:anywhere;color:var(--ink);margin:4px 0 0;font-size:.76rem;font-weight:700}.empty-state{background:#ffffff8c;border:1px dashed #b7ccd9;border-radius:20px;align-items:center;gap:24px;padding:26px;display:flex}.empty-mark{width:62px;height:62px;color:var(--blue);background:#e9f7fb;border-radius:18px;flex:0 0 62px;place-items:center;font-size:1.6rem;font-weight:800;display:grid}.empty-state h3,.empty-state p{margin-bottom:3px}.panel{border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;border-radius:22px;padding:clamp(22px,4vw,36px)}.claim-panel{grid-template-columns:1.25fr 1fr 1.5fr auto;align-items:end;gap:20px;margin-top:58px;display:grid}label{color:var(--ink);gap:8px;font-size:.82rem;font-weight:800;display:grid}input{width:100%;min-height:46px;color:var(--ink);background:#fbfdfe;border:1px solid #c8d8e2;border-radius:11px;padding:11px 13px}input::placeholder{color:#8aa1b2}.optional{color:var(--muted);font-size:.7rem;font-weight:600}.form-error,.page-error{color:#b42318;font-weight:700}.form-success{color:var(--success);font-weight:700}.claim-panel .form-error,.claim-panel .form-success{grid-column:2/-1;margin:0}.loading-grid span{background:linear-gradient(90deg,#eaf1f5 25%,#f7fafc 50%,#eaf1f5 75%) 0 0/200% 100%;border-radius:20px;min-height:260px;animation:1.3s infinite shimmer}@keyframes shimmer{to{background-position:-200% 0}}.onboarding{grid-template-columns:1.25fr .75fr;align-items:center;gap:clamp(40px,8vw,120px);min-height:calc(100vh - 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