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40px));min-height:100vh;margin:auto;padding:64px 0 28px}header{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:42px}.header-actions{display:flex;gap:10px}.device-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,360px),1fr));gap:22px}.device-card{position:relative;overflow:hidden;padding:30px;border:1px solid #20394e;border-radius:26px;background:linear-gradient(145deg,#0f2739f5,#081826f5);box-shadow:0 24px 60px #00000038}.device-card:before{content:"";position:absolute;inset:0 0 auto;height:3px;background:#345369;opacity:.6}.device-card.is-on:before{background:linear-gradient(90deg,#56d3ff,#8ef0d0);opacity:1}.card-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}.card-heading h2{margin:4px 0 0;font-size:28px}.status{margin:0;color:#9eb3c4;font-size:13px}.status-dot{display:inline-block;width:7px;height:7px;margin-left:7px;border-radius:50%;background:#657d8f}.is-on .status-dot{background:#69e3ba;box-shadow:0 0 12px #69e3ba}.power{display:grid;place-items:center;flex:0 0 auto;width:52px;height:52px;border:1px solid #365369;border-radius:50%;color:#9db4c7;background:#0a1b2b;cursor:pointer;font-size:26px;transition:.2s ease}.power.active{color:#06253a;border-color:transparent;background:#72d8ff;box-shadow:0 0 28px #5bcdfb59}.power:disabled,.toggle:disabled{cursor:wait;opacity:.68}.reading{display:flex;flex-direction:column;align-items:center;padding:42px 0 34px}.reading-value{font-size:72px;font-weight:500;line-height:1;letter-spacing:-.06em}.reading-label{margin-top:10px;color:#8fa8ba;font-size:13px}.metrics{display:grid;grid-template-columns:repeat(3,1fr);padding:18px 0;border-block:1px solid #213a4e}.metrics div{display:flex;flex-direction:column;align-items:center;gap:5px;border-left:1px solid #213a4e}.metrics div:last-child{border-left:0}.metrics span{color:#8fa8ba;font-size:12px}.metrics strong{font-size:15px}.climate-row{display:flex;justify-content:space-between;align-items:center;padding-top:24px}.climate-row div{display:flex;flex-direction:column}.climate-row span{color:#819aae;font-size:12px;direction:ltr;text-align:right}.toggle{position:relative;width:52px;height:29px;padding:3px;border:0;border-radius:20px;background:#345064;cursor:pointer;transition:.2s ease}.toggle>span:not(.mini-loader){display:block;width:23px;height:23px;border-radius:50%;background:#fff;transform:translate(-23px);transition:.2s ease}.toggle.enabled{background:#5bc9ef}.toggle.enabled>span:not(.mini-loader){transform:translate(0)}.error{padding:12px 14px;border:1px solid #8b4750;border-radius:12px;color:#ffd7dc;background:#3c1d24}.error.banner{margin:-20px 0 24px}.empty{display:grid;place-items:center;min-height:280px;color:#8fa8ba}.loader,.mini-loader{display:block;border-radius:50%;border:3px solid #365369;border-top-color:#72d8ff;animation:spin .8s linear infinite}.loader{width:42px;height:42px}.mini-loader{width:21px;height:21px}.mini-loader.dark{margin:auto;border-color:#0003;border-top-color:#fff}footer{padding-top:34px;color:#60788b;font-size:12px;text-align:center}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:600px){.app-shell{width:min(100% - 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