:root{color-scheme:dark;--navy:#0A1B28;--bg:#08131b;--panel:#102431;--panel2:#152e3b;--edge:#294450;--txt:#edf6f5;--muted:#a9bec5;--accent:#38d5ab;--accent-ink:#08261f;--good:#49d9a2;--off:#96a5b0;--warn:#f6ba60;--bad:#ff777b;--shadow:0 12px 30px #0003}
body.light{color-scheme:light;--bg:#f3f7f6;--panel:#fff;--panel2:#ebf3f2;--edge:#cbdada;--txt:#102a33;--muted:#526a73;--accent:#087f68;--accent-ink:#fff;--good:#087f68;--off:#647783;--warn:#915900;--bad:#b72c3a;--shadow:0 12px 28px #19353c16}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--txt);font:15px/1.48 system-ui,-apple-system,"Segoe UI",sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:3px}a{color:var(--accent)}h1,h2,h3,p{margin:0}h1{font-size:clamp(23px,4vw,32px);letter-spacing:-.7px}h2{font-size:19px}h3{font-size:16px}.muted{color:var(--muted)}.small{font-size:12px}.fine{font-size:13px}.strong{font-weight:750}.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;overflow-wrap:anywhere}.ellipsis{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.layout{display:grid;grid-template-columns:236px minmax(0,1fr);min-height:100vh}.sidebar{background:var(--navy);border-right:1px solid #2a4750;padding:24px 14px;position:sticky;top:0;height:100vh;color:#edf6f5}.brand{display:flex;align-items:center;gap:12px;padding:4px 11px 28px}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:#163d3d;color:#51ebbf;font-size:24px;font-weight:850}.nav{width:100%;display:flex;align-items:center;gap:12px;border:0;border-radius:12px;text-align:left;padding:13px 14px;color:#b8cdd1;background:none;min-height:48px;margin-bottom:5px}.nav:hover,.nav.active{background:#173442;color:#fff}.nav.active{box-shadow:inset 3px 0 var(--accent)}.nav .sym{font-size:19px;width:24px}.sidebar-bottom{position:absolute;bottom:23px;left:20px;right:20px}.main{min-width:0}.top{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:20px clamp(16px,3vw,36px);border-bottom:1px solid var(--edge);background:var(--panel);position:sticky;top:0;z-index:5}.topright{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.content{max-width:1470px;margin:0 auto;padding:26px clamp(16px,3vw,36px) 110px}.section-head{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:21px}.sub{color:var(--muted);margin-top:4px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 15px;border:1px solid var(--edge);background:var(--panel2);color:var(--txt);border-radius:11px;font-weight:680;text-decoration:none;white-space:normal;text-align:center}.btn:hover:not(:disabled){border-color:var(--accent)}.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.btn.danger{color:var(--bad);border-color:color-mix(in srgb,var(--bad),var(--edge) 65%)}.btn.ghost{background:transparent}.btn.sm{min-height:38px;padding:7px 11px;font-size:13px}.btn.icon{padding:9px 12px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.stack{display:grid;gap:12px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,255px),1fr));gap:14px}.twocol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.panel{background:var(--panel);border:1px solid var(--edge);border-radius:17px;padding:19px;min-width:0}.panel.soft{background:var(--panel2)}.metric{font-size:26px;font-weight:800;letter-spacing:-.6px}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:23px}.stat{padding:17px}.stat .small{color:var(--muted)}.stat .metric{margin:2px 0}.device-card{display:flex;flex-direction:column;gap:14px;min-height:168px}.device-card .card-head{display:flex;gap:12px;align-items:flex-start}.device-icon{display:grid;place-items:center;flex:none;width:46px;height:46px;background:var(--panel2);border:1px solid var(--edge);border-radius:13px;font-size:22px}.device-title{border:0;background:none;padding:0;color:var(--txt);font-weight:760;text-align:left;line-height:1.35}.device-title:hover{text-decoration:underline}.card-foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:8px}.status{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:750;white-space:nowrap}.dot{width:9px;height:9px;border-radius:50%;background:var(--off);display:inline-block;flex:none}.status.online .dot{background:var(--good)}.status.offline .dot{background:var(--off)}.status.warning .dot{background:var(--warn)}.status.fault .dot{background:var(--bad)}.status.updating .dot{background:var(--warn);animation:pulse 1s infinite}@keyframes pulse{50%{opacity:.25}}.chip{display:inline-flex;padding:3px 9px;border-radius:100px;border:1px solid var(--edge);background:var(--panel2);font-size:12px;font-weight:700}.chip.warn{color:var(--warn)}.chip.bad{color:var(--bad)}.chip.good{color:var(--good)}.notice{padding:13px 15px;border-radius:12px;border:1px solid var(--edge);background:var(--panel2);margin-bottom:16px}.notice.bad{border-color:var(--bad)}.notice.warn{border-color:var(--warn)}.notice.good{border-color:var(--good)}.notice p{margin-top:3px}.room-heading{display:flex;justify-content:space-between;align-items:center;margin:25px 0 11px}.room-heading:first-of-type{margin-top:0}.toolbar{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:17px}.field{display:grid;gap:6px;min-width:0}.field>label,.label{font-size:13px;font-weight:700;color:var(--muted)}.input,select,textarea{border-radius:10px;border:1px solid var(--edge);background:var(--panel2);color:var(--txt);padding:12px;min-height:44px;min-width:0;width:100%}input[type=range]{width:100%;accent-color:var(--accent);min-height:34px}input[type=checkbox]{accent-color:var(--accent);width:19px;height:19px}.search{flex:1 1 190px}.select{flex:0 1 185px}.tabbar{display:flex;gap:6px;overflow:auto;padding:3px 0 9px;margin:7px 0 15px;scrollbar-width:thin}.tab{background:none;border:0;color:var(--muted);font-weight:750;white-space:nowrap;padding:10px 13px;min-height:44px;border-bottom:2px solid transparent}.tab[aria-selected=true]{color:var(--accent);border-bottom-color:var(--accent)}.breadcrumb{margin-bottom:12px}.linkbtn{border:0;padding:0;background:none;color:var(--accent);font-weight:700;cursor:pointer}.tablewrap{overflow-x:auto;border-radius:13px;border:1px solid var(--edge)}table{border-collapse:collapse;width:100%;min-width:650px}th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--edge);vertical-align:middle}th{font-size:12px;color:var(--muted);font-weight:750;background:var(--panel2)}tr:last-child td{border-bottom:0}.sort{color:inherit;background:none;border:0;padding:3px;text-align:left;font-weight:700}.bars{letter-spacing:1px;color:var(--accent)}.kv{display:grid;grid-template-columns:minmax(95px,1fr) minmax(0,1.5fr);gap:11px 16px}.kv dt{color:var(--muted)}.kv dd{margin:0;font-weight:650;overflow-wrap:anywhere}.divider{height:1px;background:var(--edge);margin:16px 0}.progress{width:100%;height:10px;background:var(--edge);border-radius:99px;overflow:hidden}.progress>span{display:block;height:100%;background:var(--accent);transition:width .4s}.steps{display:grid;gap:10px;margin:16px 0}.step{padding:12px;border:1px solid var(--edge);border-radius:12px;display:flex;gap:10px;align-items:center}.step .bubble{width:29px;height:29px;border-radius:50%;display:grid;place-items:center;background:var(--panel2);flex:none}.step.complete .bubble{background:var(--good);color:#092721}.step.current{border-color:var(--accent)}.step.failed{border-color:var(--bad)}.modal-layer{position:fixed;inset:0;background:#000b;z-index:40;display:flex;align-items:center;justify-content:center;padding:12px}.modal{background:var(--panel);border:1px solid var(--edge);width:min(620px,100%);max-height:min(92dvh,850px);overflow:auto;border-radius:19px;padding:22px;box-shadow:var(--shadow)}.modal.wide{width:min(830px,100%)}.modal-header{display:flex;align-items:start;justify-content:space-between;gap:14px;margin-bottom:18px}.modal-footer{display:flex;gap:9px;justify-content:flex-end;flex-wrap:wrap;margin-top:20px}.choice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.choice{background:var(--panel2);color:var(--txt);padding:14px 9px;min-height:96px;border:1px solid var(--edge);border-radius:13px;display:grid;gap:5px;justify-items:center;text-align:center}.choice.active{border:2px solid var(--accent);padding:13px 8px}.choice .emoji{font-size:25px}.choice small{font-size:11px;color:var(--muted)}.callout{border-left:3px solid var(--accent);padding:10px 13px;background:var(--panel2);border-radius:5px;margin:14px 0}.codepreview,textarea.code{font:13px/1.55 ui-monospace,Consolas,monospace;white-space:pre;overflow:auto;background:#071923;color:#e5eeee;border:1px solid #34515c;border-radius:10px;padding:14px}.codepreview .key{color:#72dccc}.codepreview .num{color:#ffca84}.codepreview .comment{color:#93a6ad}.code{min-height:215px;resize:vertical}.diff{font-family:ui-monospace,monospace;font-size:12px;white-space:pre-wrap;background:var(--panel2);padding:12px;border-radius:10px}.added{color:var(--good)}.removed{color:var(--bad)}.logs{height:240px;overflow:auto;background:#06151e;border:1px solid #2e4956;padding:12px;border-radius:11px;font:12px/1.75 ui-monospace,monospace;color:#c5d9dd}.logs .error{color:#ff8e8d}.logs .warn{color:#ffce77}.logs .debug{color:#8fabb7}.logs .info{color:#bfe9df}.chart{width:100%;height:190px;display:block}.toast-wrap{position:fixed;z-index:60;bottom:88px;right:16px;display:grid;gap:8px;max-width:min(390px,calc(100vw - 32px))}.toast{padding:12px 16px;border-radius:10px;background:var(--txt);color:var(--bg);font-weight:700;box-shadow:var(--shadow)}.toast.error{border-left:5px solid #f36968}.toast.success{border-left:5px solid #159d76}.bottom-nav{display:none}.skeleton{background:linear-gradient(90deg,var(--panel2),var(--edge),var(--panel2));background-size:200% 100%;animation:shimmer 1.3s infinite;height:100px;border-radius:12px}@keyframes shimmer{to{background-position:-200% 0}}.center{text-align:center}.empty{padding:45px 15px;text-align:center}.empty .emoji{font-size:38px;margin-bottom:9px}.switch{display:inline-flex;align-items:center;gap:8px}.toggle{width:61px;height:42px;border-radius:30px;border:2px solid var(--edge);background:var(--panel2);position:relative;flex:none}.toggle::before{content:"";position:absolute;width:26px;height:26px;border-radius:50%;top:6px;left:6px;background:var(--muted);transition:.15s}.toggle.on{background:var(--accent);border-color:var(--accent)}.toggle.on::before{left:27px;background:var(--accent-ink)}.toast,.notice,.chip{overflow-wrap:anywhere}.hide{display:none!important}
@media(max-width:950px){.layout{grid-template-columns:1fr}.sidebar{display:none}.bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:15;justify-content:space-around;gap:2px;background:var(--navy);border-top:1px solid #38545b;padding:8px 4px calc(8px + env(safe-area-inset-bottom))}.bottom-nav .nav{margin:0;padding:6px 2px;min-height:52px;font-size:11px;flex-direction:column;gap:0;justify-content:center;border-radius:10px;flex:1;text-align:center}.bottom-nav .nav .sym{width:auto;font-size:21px}.bottom-nav .nav.active{box-shadow:none;background:#1b4048}.content{padding-bottom:130px}.top{padding:13px 16px}}
@media(max-width:600px){.stats{grid-template-columns:repeat(2,1fr)}.top .brandtext{display:none}.topright .desktop-only{display:none}.top{gap:6px}.top .btn{padding:8px 10px}.twocol{grid-template-columns:1fr}.choice-grid{gap:6px}.choice{font-size:12px;min-height:90px}.modal{padding:17px}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.device-card{padding:13px;gap:10px;min-height:185px}.device-card .card-head{gap:8px}.device-icon{width:38px;height:38px;font-size:19px}.device-card .card-foot{align-items:stretch;flex-direction:column}.device-card .card-foot .btn{width:100%}.stat{padding:12px}.stat .metric{font-size:24px} .modal-layer{align-items:flex-end;padding:0}.modal{border-radius:20px 20px 0 0;max-height:94dvh;width:100%}.modal.wide{width:100%}}
@media(max-width:385px){.topright .site{display:none}.grid{grid-template-columns:1fr}.device-card{min-height:auto}.device-card .card-foot{flex-direction:row;align-items:center}.device-card .card-foot .btn{width:auto}}


/* Round 1: distinct unknown status, full-screen approval, and PWA update affordance. */
.status.unknown .dot{background:var(--off)}
.status.unknown{color:var(--muted)}
.auth-wrap{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px 16px}
.auth-card{width:min(100%,450px);box-shadow:var(--shadow)}
.auth-card .btn{min-height:44px}
.update-bar{position:fixed;z-index:75;bottom:calc(12px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);display:flex;align-items:center;justify-content:space-between;gap:16px;width:min(440px,calc(100vw - 24px));padding:12px 16px;border:1px solid var(--accent);border-radius:14px;background:var(--panel);box-shadow:var(--shadow);font-weight:750;color:var(--txt)}
.update-bar .btn{white-space:nowrap}
@media(max-width:950px){.update-bar{bottom:calc(90px + env(safe-area-inset-bottom))}.bottom-nav{overflow-x:auto;justify-content:flex-start;scrollbar-width:thin}.bottom-nav .nav{flex:1 0 66px;min-width:66px;min-height:52px}}