:root{font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:#dce7e9;background:#121b20;font-size:13px;color-scheme:dark;--muted:#8fa5ac;--line:#31434b;--cyan:#66ced0;--amber:#e0b86b}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,select{border:1px solid #425761;background:#24353d;color:#e3edef;border-radius:4px;padding:7px 10px}button{cursor:pointer;transition:background .12s}button:hover{background:#37535d}button:disabled{opacity:.45;cursor:wait}button.active{background:#c0e4df;color:#123c40;border-color:#c0e4df}a{color:#a7d8d7;text-decoration:none}a:hover{text-decoration:underline}input{accent-color:var(--cyan)}input[type=range]{width:100%;cursor:pointer}input[type=number],input[type=search]{background:#17272e;color:inherit;border:1px solid var(--line);border-radius:4px;padding:8px;min-width:0}input[type=checkbox]{accent-color:var(--cyan)}[hidden]{display:none!important}h2,h3,p{margin:0}h2{font-size:14px;letter-spacing:.05em}h3{font-size:16px}.topbar{height:68px;display:flex;gap:24px;align-items:center;padding:0 20px;border-bottom:1px solid var(--line);background:#17242a}.brand{display:flex;gap:10px;align-items:center;color:#edf4f1;font-size:18px;font-weight:650;white-space:nowrap}.brand:hover{text-decoration:none}.brand-mark{font-size:38px;color:#96c9bf;line-height:1}.brand small{display:block;font-size:10px;color:var(--muted);letter-spacing:.12em;margin-top:3px;font-weight:400}.context{display:flex;gap:10px;align-items:center;flex:1}.context>label{color:var(--muted)}.context select{min-width:160px}.simulation-tag{font-size:11px;color:#dfbf7a;border:1px solid #87724a;padding:4px 7px;white-space:nowrap}.clock-block{display:flex;gap:8px;align-items:center}.clock-block>span{font:15px ui-monospace,monospace;color:#b7ccc9;margin-right:8px}main{display:grid;grid-template-columns:220px minmax(450px,1fr) 290px;height:calc(100dvh - 68px);min-height:650px}.asset-browser,.inspector{background:#19282f;overflow:auto}.asset-browser{border-right:1px solid var(--line);padding:17px 12px}.inspector{border-left:1px solid var(--line);padding:17px 16px}.section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.section-title>span{font-size:10px;color:var(--muted)}.intro{font-size:11px;margin-bottom:12px}.muted{color:var(--muted)}.search{display:block;margin:0 0 14px}.search input{width:100%;font-size:12px}.room-item{margin:0 0 10px}.room-button{width:100%;border:0;border-left:2px solid transparent;border-radius:0;padding:10px 8px;text-align:left;background:#243740;display:flex;justify-content:space-between;align-items:center}.room-button.active{border-left-color:var(--cyan);background:#2c484d;color:#e6f3ef}.room-button small{font-size:10px;color:#a7c5c5}.device-list{padding:3px 0}.asset-button{display:flex;width:100%;gap:7px;align-items:center;padding:7px 8px;border:0;border-radius:0;background:none;text-align:left;font-size:11px;color:#aec1c6}.asset-button.active{background:#30484c;color:#d9f6ec}.asset-button .lamp{width:6px;height:6px;border-radius:50%;flex-shrink:0;background:#79c6b6}.asset-button.fault .lamp{background:#e78073}.asset-button.offline .lamp{background:#808e96}.asset-button .asset-label{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;flex:1}.asset-button .mini{font:10px ui-monospace,monospace;color:#83adaf}.source-links{border-top:1px solid var(--line);margin-top:20px;padding-top:15px;font-size:10px;display:flex;flex-direction:column;gap:10px}.source-links>span{color:var(--muted)}.workspace{display:grid;grid-template-rows:90px minmax(290px,1fr) 220px;min-height:0;min-width:0}.kpis{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line);background:#1b2c34}.kpis>div{display:flex;flex-direction:column;justify-content:center;padding:10px 18px;border-right:1px solid var(--line);gap:4px}.kpis span{font-size:11px;color:var(--muted)}.kpis strong{font:26px ui-monospace,Consolas,monospace;font-weight:500;letter-spacing:-.04em}.kpis small{font-size:9px;color:#829ba3;white-space:nowrap}#k-alarm.alarm{color:#f5a091}#stage{position:relative;overflow:hidden;background:#cbd8d9;outline:none;min-height:0}#stage>canvas{display:block;width:100%;height:100%;outline:none}.viewport-heading{position:absolute;z-index:2;top:14px;left:16px;right:16px;display:flex;justify-content:space-between;color:#30464e;font-size:11px;pointer-events:none}.viewport-heading>span:first-child{font-weight:650}.legend{display:flex;align-items:center;gap:5px;font-size:9px}.dot{display:inline-block;width:6px;height:6px;border-radius:50%;margin-left:7px}.dot.power{background:#d8993f}.dot.water{background:#249aaa}.dot.air{background:#59a365}.dot.fault{background:#e35945}.viewport-tools{position:absolute;z-index:4;bottom:37px;left:14px;right:14px;display:flex;flex-direction:column;align-items:flex-start;gap:6px}.view-buttons{display:flex;gap:4px}.view-buttons button{background:#18303bed;color:#dce6e9;font-size:11px;padding:7px 9px}.view-buttons button.active{background:#d5f1e8;color:#24474b;border-color:#e3f7f1}.layers{background:#1b3540ed;padding:8px 10px;border-radius:4px;display:flex;gap:9px;align-items:center;font-size:10px}.layers label{display:flex;gap:3px;align-items:center;white-space:nowrap}.layers select{padding:2px;max-width:88px;font-size:10px}.layers input[type=range]{width:65px}.viewport-foot{position:absolute;bottom:0;left:0;right:0;padding:7px 15px;background:#29414bcc;display:flex;justify-content:space-between;font-size:9px;color:#d0e0e1;pointer-events:none}#load-mask{position:absolute;inset:0;background:#203b46db;z-index:10;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:20px}.loader{width:28px;height:28px;border-radius:50%;border:2px solid #627d84;border-top-color:#bdebe1;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#room-labels{position:absolute;inset:0;pointer-events:none;overflow:hidden}.room-label{position:absolute;transform:translate(-50%,-100%);color:#18363d;background:#edf8f3e8;border:1px solid #8cb4b4;border-radius:3px;padding:4px 6px;font-size:10px;white-space:nowrap;box-shadow:0 2px 7px #1e353529}.room-label.active{background:#ffe3a7;border-color:#b48c46}.room-label small{display:block;font:9px ui-monospace,monospace;margin-top:2px;color:#50747a}.systems-panel{background:#17262d;overflow:hidden;min-width:0}.panel-tabs{display:flex;gap:0;border-bottom:1px solid var(--line);height:41px;padding:0 10px;align-items:stretch}.panel-tabs button{border:0;border-bottom:2px solid transparent;border-radius:0;background:none;color:#9eb2b8;padding:8px 11px;font-size:11px}.panel-tabs button.active{color:#c7ebe2;border-bottom-color:#8bcbbb}.panel-tabs #export{margin-left:auto;color:#90babe}.panel-body{padding:12px 16px;height:179px;overflow:auto}.signal-flow{display:flex;align-items:center;gap:10px;font-size:10px;color:#8babb3;margin-bottom:12px}.signal-flow b{color:#5c8790}.signal-flow span{background:#213740;padding:4px 8px;border-radius:2px}#topology{display:flex;align-items:center;gap:5px;flex-wrap:wrap}.topology-node{padding:8px 10px;text-align:left;max-width:160px;background:#213841;border-color:#46636c;font-size:11px}.topology-node small{display:block;font-size:9px;margin-top:5px;color:#9ab9bd}.topology-node.active{border-color:#d1b16e;background:#3f4337;color:#efe7c8}.topology-node.fault{border-color:#ad7068}.topology-arrow{color:#668b95;font-size:16px}.topology-note{font-size:10px;color:#9bb6bc;flex-basis:100%;line-height:1.5;margin-top:5px}.live-tag{border:1px solid #3f605d;border-radius:3px;padding:3px 5px;color:#8dbfb0!important}.device-kind{color:#8cbfb9;font-size:10px;text-transform:uppercase;display:block;margin:22px 0 6px}#device-name{margin-bottom:8px;font-size:18px}#device-id{font:10px ui-monospace,monospace;color:#8ba8b0;overflow-wrap:anywhere}.device-meta{font-size:10px;color:#9aaeb4;margin:12px 0;line-height:1.7}.state-line{display:flex;justify-content:space-between;font-size:11px;background:#233a42;padding:8px;border-radius:3px;margin:10px 0}.state-line .fault{color:#eca394}.feedback-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:16px 0}.feedback-grid>div{border:1px solid var(--line);padding:10px}.feedback-grid span{display:block;font-size:10px;color:var(--muted);margin-bottom:8px}.feedback-grid strong{font:24px ui-monospace,monospace;color:#d5e9e5}.field{display:flex;align-items:center;justify-content:space-between;margin:12px 0 7px;font-size:11px;color:#a7bcc3}.field select{font-size:11px;padding:4px 7px}.field input{width:70px}.control-buttons{display:flex;gap:6px;margin-top:10px;flex-wrap:wrap}.control-buttons button{font-size:11px;padding:7px 8px}.control-buttons .primary{background:#9bc9be;color:#143b3c;border-color:#9bc9be;font-weight:650}#command-receipt{color:#b9c9c6;border-left:2px solid #648f8b;padding:7px 9px;font-size:10px;line-height:1.6;margin:13px 0;background:#1f333a}#observations{font-size:11px}.data-row{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px solid #2b414a;gap:10px}.data-row>span{color:#92adb6}.data-row>b{font:11px ui-monospace,monospace;font-weight:400}.fault-lab{border-top:1px solid var(--line);margin-top:15px;padding-top:13px}.fault-lab summary{font-size:11px;cursor:pointer;color:#c1b293}.fault-lab p{font-size:10px;color:var(--muted);margin:10px 0}.fault-lab select{font-size:11px;width:100%}.text-button{background:none;border:0;padding:14px 0;color:#97bcbf;font-size:11px}.room-readings{border-top:1px solid var(--line);padding-top:18px;margin-top:20px}.room-readings h3{font-size:12px;margin-bottom:12px}.scope-note{font-size:10px;line-height:1.8;color:#77939e;margin-top:20px}#selection-empty{font-size:12px;color:#93adb7;line-height:1.9;margin:25px 0}.event-row,.alarm-row{display:flex;align-items:center;gap:12px;padding:8px 0;border-bottom:1px solid #2c4047;font-size:11px}.event-row time{color:#779da6;font:10px ui-monospace,monospace}.event-row>span,.alarm-row>span{flex:1}.alarm-row button{font-size:10px;padding:3px 8px}.alarm-row.active{color:#e8aa9e}.event-state{color:#8dbfb4;font-size:10px}.empty-message{font-size:11px;color:#89a6b0;padding:10px 0}.trend-title{display:flex;justify-content:space-between;color:#9bb4b9;font-size:10px;margin-bottom:8px}#trends{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.chart{min-width:0}.chart>div{display:flex;justify-content:space-between;font-size:10px;color:#acc4c7}.chart svg{width:100%;height:96px}.chart text{fill:#6d909c;font-size:9px}#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:#ebf4ed;color:#1c3f45;padding:12px 20px;border-radius:5px;z-index:100;box-shadow:0 4px 28px #001e2b77;max-width:80vw;font-size:12px}@media(min-width:1600px){main{grid-template-columns:248px minmax(600px,1fr) 310px}.workspace{grid-template-rows:96px minmax(400px,1fr) 245px}.panel-body{height:204px}}@media(max-width:1120px){main{grid-template-columns:175px minmax(380px,1fr) 255px}.kpis>div{padding:10px}.topbar{gap:15px}.clock-block>span{display:none}.layers{gap:6px}.layers label:last-child{display:none}.legend{display:none}.panel-tabs button{padding:8px}.viewport-foot span:last-child{display:none}}@media(max-width:900px){.topbar{height:auto;min-height:68px;flex-wrap:wrap;padding:10px 14px;gap:10px}.brand{font-size:15px}.brand small{font-size:8px}.brand-mark{font-size:30px}.context{flex:1}.clock-block{margin-left:auto}.context>label{display:none}.context select{min-width:100px;width:130px}.simulation-tag{font-size:9px}main{height:auto;min-height:0;grid-template-columns:165px 1fr}.workspace{height:800px;grid-template-rows:90px 480px 230px}.inspector{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:14px;border-top:1px solid var(--line)}.inspector>.section-title{grid-column:1/-1}.inspector .scope-note{grid-column:1/-1}.kpis small{white-space:normal}.kpis strong{font-size:23px}}@media(max-width:600px){main{display:block}.asset-browser{max-height:230px;border-bottom:1px solid var(--line)}.asset-browser .source-links{display:none}.room-item{margin-bottom:5px}.workspace{height:800px}.view-buttons button{padding:6px}.layers{flex-wrap:wrap;max-width:100%}.panel-tabs{padding:0}.panel-tabs button{font-size:10px;padding:7px}.viewport-foot{font-size:8px}.inspector{display:block}.kpis>div{padding:8px}.topbar .clock-block{width:100%;justify-content:flex-end}.clock-block>span{display:block;margin-right:auto}.clock-block select{font-size:11px}.kpis small{font-size:8px}.signal-flow{gap:4px;font-size:8px}.signal-flow span{padding:4px}.kpis strong{font-size:22px}}
:focus-visible{outline:2px solid #d9b36b;outline-offset:2px}#building-note{font-size:10px;color:#ddc589;max-width:145px;line-height:1.5}#fault-explanation{color:#b1cbce;line-height:1.7}button:disabled{cursor:not-allowed}.topology-node small{overflow-wrap:anywhere}.viewport-foot{font-size:9px}#stage>canvas:focus-visible{outline:none}

.browse-behavior{border:1px solid #3c555c;background:#20343b;padding:9px 8px;margin:0 0 12px;border-radius:4px}.browse-behavior>label{font-size:11px;color:#d1e8e2;display:flex;align-items:center;gap:5px;cursor:pointer}.browse-behavior p{font-size:10px;line-height:1.65;color:#a6bfc3;margin-top:6px}.browse-behavior .browse-hint{color:#87a7ae;font-size:9px}.room-heading{display:flex;align-items:stretch}.room-heading .room-button{flex:1;min-width:0}.room-button>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.room-button small{white-space:nowrap;margin-left:4px}.room-focus{font-size:10px;border-radius:0;padding:7px 6px;border:0;border-left:1px solid #3c525a;background:#2b4149;color:#b6d5d2}.asset-row{display:flex;align-items:stretch}.asset-row .asset-button{flex:1;min-width:0}.asset-focus{flex:0 0 28px;padding:4px 2px;font-size:18px;line-height:1;border:0;background:transparent;border-radius:0;color:#8fbdbb}.asset-row:hover .asset-focus,.asset-focus:focus-visible{background:#35515a;color:#f0d394}.selection-actions{display:flex;flex-direction:column;align-items:flex-start;gap:5px;margin:8px 0 14px}.selection-actions>button{background:#335352;border-color:#638e83;color:#e4f5e9;font-size:12px;padding:8px 12px}.selection-actions>span{color:#87aaa9;font-size:9px}.view-buttons{flex-wrap:wrap}.view-buttons #return-observation{border-color:#627d81}.view-buttons #return-observation:disabled{opacity:.45;background:#24434c}
.selection-actions{position:sticky;top:-17px;z-index:6;background:#19282ff5;padding:10px 0;border-bottom:1px solid #31434b;backdrop-filter:blur(6px)}

.asset-filters{display:flex;gap:4px;margin:0 0 10px}.asset-filters button{flex:1;padding:5px 3px;font-size:10px;white-space:nowrap}

/* Keep the campus destination visible before any 3D resources have loaded. */
.topbar{gap:20px}
.site-navigation{display:flex;align-items:center;gap:20px;flex-shrink:0}
.campus-entry{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:40px;padding:9px 14px;border:1px solid #bdebe1;border-radius:4px;background:#bdebe1;color:#163a3d;font-size:13px;font-weight:650;white-space:nowrap;text-decoration:none;transition:background .12s,border-color .12s}
.campus-entry:hover{background:#dbf5ed;border-color:#dbf5ed;text-decoration:none}
.campus-entry:active{background:#a3d8cd;border-color:#a3d8cd}
.campus-entry:focus-visible{outline:3px solid #fff;outline-offset:3px}
.campus-entry>span[aria-hidden]{font-size:18px;line-height:1}
.context{min-width:0;flex-wrap:wrap;row-gap:4px}
#building-note{flex-basis:100%;font-size:10px}
.clock-block{flex-shrink:0}
@media(max-width:1120px){.topbar,.site-navigation{gap:12px}.campus-entry{gap:8px;padding:9px 11px}}
@media(max-width:900px){.site-navigation{width:100%;justify-content:space-between}}
@media(prefers-reduced-motion:reduce){.campus-entry{transition:none}}