#installationSystem{width:calc(100vw - 36px);max-width:1800px;height:calc(100dvh - 32px);max-height:none;border:1px solid #becfd9;border-radius:16px;background:#f3f7f9;color:#244352;padding:18px;overflow:hidden;box-shadow:0 25px 100px #081c3780}
#installationSystem::backdrop,#installationDrawing::backdrop{background:#101f2dea;backdrop-filter:blur(5px)}
.room-heading{display:flex;justify-content:space-between;gap:16px;align-items:center;height:57px;margin-bottom:12px}.room-eyebrow{font-size:10px;font-weight:600;letter-spacing:1px;color:#367e8b}.room-heading h2{margin:6px 0 0;font-size:23px}.room-heading>button{font-size:12px;min-height:34px}
.room-toolbar{display:flex;gap:7px;align-items:center;margin-bottom:12px}.room-toolbar>div{display:flex;gap:5px;margin-right:auto}.room-toolbar button{font-size:11px;min-height:33px;padding:6px 10px}.room-toolbar #systemSpace{border-color:transparent;background:none;color:#397d8c}
.room-workspace{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:16px;height:calc(100% - 116px);min-height:0}#roomViewport{min-width:0;position:relative;background:#dce4e9;border:1px solid #c4d2db;border-radius:12px;overflow:hidden;touch-action:none}#roomViewport canvas{width:100%;height:100%;outline:0}.room-instructions{position:absolute;top:14px;left:14px;right:14px;pointer-events:none;color:#547482;font-size:11px;text-shadow:0 1px 4px #fff}.room-legend{position:absolute;bottom:12px;left:12px;display:flex;gap:12px;background:#ffffffde;border:1px solid #d3e0e7;border-radius:8px;padding:9px 11px;font-size:10px;color:#547382;pointer-events:none}.room-legend i{display:inline-block;width:16px;height:4px;background:#239fbd;margin-right:5px;vertical-align:middle}.room-legend .drain{background:#b5a04b}.room-legend .aisle{background:#617f86}
.room-labels{position:absolute;inset:0;pointer-events:none}.room-labels button{position:absolute;left:0;top:0;pointer-events:auto;min-height:23px;padding:4px 7px;border:1px solid #b8cdd6;border-radius:5px;background:#f7fbffed;font-size:10px;white-space:nowrap;color:#305766;box-shadow:0 2px 7px #36556920}.room-labels button:after{content:'';position:absolute;left:50%;top:100%;height:9px;border-left:1px solid #517d8c}.room-labels button[aria-pressed=true]{background:#1d626a;color:white;border-color:#1d626a}
.room-sidebar{overflow:auto;min-width:0;padding:0 5px 12px 0;scrollbar-width:thin}.room-side-tabs{display:flex;gap:7px;position:sticky;top:0;background:#f3f7f9;padding:0 0 12px;z-index:2}.room-side-tabs button{flex:1;font-size:12px;min-height:34px}.room-sidebar h3{font-size:20px;line-height:1.5;margin:8px 0 12px}.room-sidebar p{font-size:12px;line-height:1.85;color:#52717f;margin:8px 0}.room-sidebar ul{font-size:11px;line-height:1.85;color:#738995;padding-left:17px;margin:8px 0 16px}.room-sidebar h4{font-size:12px;margin:16px 0 10px}.room-air-sequence{border-top:1px solid #d4e0e7;padding-bottom:14px}#systemFlow{display:flex;flex-wrap:wrap;gap:5px}#systemFlow button{font-size:10px;padding:6px 7px;min-height:28px;border-radius:5px}#systemFlow button span{color:#91a9b5;margin-right:5px;font-size:9px}#systemFlow button[aria-pressed=true] span{color:#b9e9e9}
.room-sidebar details{border-top:1px solid #d4e0e7;padding:8px 0}.room-sidebar summary{font-size:12px;color:#367e8b;cursor:pointer;padding:6px 0 10px}.room-sidebar img{display:block;width:100%;max-height:230px;object-fit:contain;background:white;border:1px solid #e0e8ed;border-radius:7px}.room-sidebar #systemDrawing{max-height:160px}.room-sidebar details p{font-size:10px;line-height:1.7}.room-sidebar details button{font-size:11px;min-height:30px;padding:5px 9px}.room-sidebar video{display:block;max-height:280px;width:100%;background:#1b2830;margin-top:12px}.room-sidebar .room-boundary{font-size:10px;color:#8ba0aa;border-top:1px solid #d4e0e7;padding-top:12px}
.room-stage-list{display:grid;grid-template-columns:1fr 1fr;gap:5px;margin-bottom:15px}.room-stage-list button{font-size:10px;text-align:left;padding:7px;min-height:33px}.room-stage-list button[aria-current=step]{background:#d9edf0;border-color:#418494;color:#1c6674}.room-stage-navigation{display:flex;justify-content:space-between;margin:16px 0}.room-stage-navigation button{font-size:11px;padding:6px 10px;min-height:32px}
#installationDrawing{width:min(1280px,95vw);max-height:92dvh;border:0;border-radius:14px;padding:20px;background:#f5f8fa;color:#244352}.system-drawing-head{display:flex;align-items:center;gap:10px;font-size:13px}.system-drawing-head b{margin-right:auto}#drawingViewport{overflow:auto;max-height:75dvh;margin-top:20px;background:white}#drawingLarge{width:100%;height:auto;max-width:none;display:block}#drawingViewport.zoomed img{width:200%}
#doorScrollHint{position:absolute;top:95px;left:26px;padding:12px 14px;border:1px solid #91b3c444;border-radius:10px;background:#18303ae6;color:#e3f1f5;box-shadow:0 6px 24px #10232f44;max-width:260px}#doorScrollHint>b,#doorScrollHint>span{display:block;font-size:11px}#doorScrollHint>b span{font-size:10px;color:#92cad6;margin-left:8px}#doorScrollHint>span{font-size:10px;color:#b6ccd7;margin-top:7px}#doorScrollHint>div{display:flex;gap:7px;margin-top:10px}#doorScrollHint button{padding:4px 8px;min-height:25px;font-size:10px;background:#ffffff12;color:#cfe7ef;border-color:#93bec650}
@media(max-width:1050px){.room-workspace{grid-template-columns:minmax(0,1fr) 280px;gap:10px}.room-toolbar{flex-wrap:wrap}.room-toolbar button{font-size:10px;padding:5px 8px}.room-workspace{height:calc(100% - 123px)}.room-heading h2{font-size:20px}}
@media(max-width:650px){#installationSystem{width:calc(100vw - 10px);height:calc(100dvh - 10px);padding:10px;border-radius:11px}.room-heading{height:48px;margin-bottom:9px}.room-heading h2{font-size:17px}.room-eyebrow{font-size:9px}.room-heading>button{font-size:10px;min-height:30px;padding:5px 7px}.room-toolbar{gap:4px;margin-bottom:8px}.room-toolbar>div{width:100%;margin-bottom:3px}.room-toolbar button{font-size:9px;min-height:27px;padding:5px 7px}.room-workspace{display:flex;flex-direction:column;height:calc(100% - 128px);gap:10px}#roomViewport{flex:0 0 45%;min-height:240px;border-radius:9px}.room-sidebar{flex:1;min-height:0;padding:0 3px}.room-side-tabs{padding-bottom:8px}.room-side-tabs button{font-size:11px;min-height:30px}.room-sidebar h3{font-size:18px;margin:6px 0}.room-sidebar p{font-size:11px}.room-sidebar ul{font-size:10px}.room-instructions{top:9px;left:9px;font-size:9px}.room-legend{bottom:7px;left:7px;gap:7px;padding:6px 7px;font-size:8px}.room-legend i{width:11px}.room-labels button{font-size:8px;padding:3px 4px;min-height:19px}.room-stage-list button{font-size:9px}.system-drawing-head{flex-wrap:wrap;font-size:11px}.system-drawing-head b{width:100%}#doorScrollHint{left:12px;top:86px;max-width:225px;padding:9px 11px}#doorScrollHint>span{font-size:9px}#doorScrollHint>b{font-size:10px}#doorScrollHint>div{margin-top:7px}}