:root{color-scheme:dark;--bg:#10191e;--surface:#17242b;--line:#ffffff15;--muted:#a8bac1;--ink:#f2f8fa;--accent:#41ded0;--panel-width:326px;font-family:"Segoe UI",Inter,Arial,sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);overflow:hidden;font-size:16px}button,input,a,summary{-webkit-tap-highlight-color:transparent;outline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--accent)}button{font:inherit;color:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.5}button,summary,a{touch-action:manipulation}a{color:inherit}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}#viewer{height:100dvh;min-height:380px;position:relative;isolation:isolate}#scene{position:absolute;left:calc(var(--panel-width) + 32px);top:84px;width:calc(100% - var(--panel-width) - 32px);height:calc(100% - 132px);display:block;outline-offset:-4px;touch-action:none}#scene:focus-visible{outline:2px solid #41ded066}
.topbar{height:84px;display:flex;align-items:center;justify-content:space-between;padding:0 30px;position:relative;border-bottom:1px solid var(--line);z-index:2;background:var(--bg)}.brand{text-decoration:none;display:flex;align-items:center;gap:13px}.brand-logo{object-fit:contain;flex-shrink:0}.brand-name{font-weight:700;font-size:21px;letter-spacing:3px;line-height:1.2}.brand-name>span{display:block;font-size:14px;letter-spacing:.2px;font-weight:400;color:var(--muted);margin-top:5px}.topbar-actions{display:flex;align-items:center;gap:16px}.experience-label{font-size:14px;color:var(--muted)}.mobile-toggle{display:none;border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:10px 14px;font-size:14px;gap:12px;align-items:center;min-height:44px}
.panel{position:absolute;left:16px;top:100px;bottom:64px;width:var(--panel-width);padding:24px 22px 16px;background:#17242bf5;border:1px solid var(--line);border-radius:14px;z-index:2;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#3b535e transparent;box-shadow:0 15px 55px #0003}.panel-intro h1{font-size:24px;line-height:1.2;letter-spacing:-.65px;font-weight:600;margin:0 0 10px}.panel-intro p{font-size:14px;line-height:1.6;color:var(--muted);margin:0 0 22px}.section{border-top:1px solid var(--line);padding:18px 0}.section h2{font-size:14px;font-weight:600;margin:0 0 12px;color:#e3edf0}.floor-selection{display:grid;gap:8px!important;background:none!important;padding:0!important;margin:0!important}.floor-selection button{display:flex;align-items:center;gap:14px;text-align:left;border:1px solid #ffffff15!important;background:#ffffff02!important;min-height:61px;padding:10px 12px!important;border-radius:8px;font-size:15px!important;line-height:1.4;color:var(--ink)!important}.floor-number{font-size:14px;color:#819ca8;font-variant-numeric:tabular-nums}.floor-selection small{display:block;font-size:12px;color:var(--muted);margin-top:3px}.floor-selection button.active{background:#00a99d15!important;border-color:#41ded06b!important;box-shadow:inset 3px 0 0 var(--accent)}.floor-selection button.active .floor-number{color:var(--accent)}.floor-selection button:hover{border-color:#ffffff40!important}
.view-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.view-button{border:1px solid #ffffff18;background:#ffffff03;border-radius:8px;text-align:left;min-height:44px;padding:10px;display:flex;align-items:center;gap:8px;font-size:14px;line-height:1.35;transition:.15s}.view-button svg{flex-shrink:0;width:17px;height:17px}.view-button.wide{grid-column:1/-1;justify-content:space-between}.view-button:hover{background:#ffffff08;border-color:#ffffff40}.view-button.active{background:#41ded019;border-color:#41ded080;color:var(--accent)}.floor-views{margin-top:8px}.segmented{display:flex;border-radius:8px;padding:4px;background:#0a131960;margin-bottom:12px;gap:4px}.segmented button{flex:1;background:transparent;border:0;border-radius:5px;font-size:14px;min-height:42px;padding:8px;color:var(--muted)}.segmented button.active{background:#354c58;color:var(--ink)}
.lighting-presets{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:8px}.lighting-presets button{min-height:48px;border:1px solid var(--line);border-radius:8px;background:#ffffff03;display:flex;justify-content:center;align-items:center;gap:9px;font-size:14px}.lighting-presets button.active{border-color:#41ded080;background:#41ded015;color:var(--accent)}.lighting-presets button[data-lighting=evening].active{color:#ffd7a5;border-color:#deb68090;background:#bc85431a}.toggle-row{display:flex;align-items:center;gap:12px;font-size:14px;min-height:44px;position:relative;cursor:pointer}.toggle-row>span:first-child{margin-right:auto;color:#c2d0d7}.toggle-row input{position:absolute;right:0;opacity:0;width:44px;height:44px;cursor:pointer;margin:0}.switch{display:block;width:36px;height:22px;border-radius:30px;background:#49606a;pointer-events:none;transition:background .2s}.switch:before{content:"";display:block;background:#d6e3e8;width:16px;height:16px;border-radius:100%;margin:3px;transition:transform .2s}.toggle-row input:checked+.switch{background:#00a99d66}.toggle-row input:checked+.switch:before{transform:translateX(14px);background:var(--accent)}.toggle-row input:focus-visible+.switch{outline:2px solid var(--accent);outline-offset:3px}.exposure-label{display:flex;justify-content:space-between;font-size:14px;margin-top:7px;color:#c2d0d7}.exposure-label output{color:var(--accent);font-size:14px;font-variant-numeric:tabular-nums}.range{display:block;width:100%;accent-color:var(--accent);height:24px;margin:8px 0 0;cursor:pointer}.range:disabled{opacity:.35;cursor:default}.text-button{font-size:14px;color:var(--muted);background:transparent;border:1px solid var(--line);border-radius:8px;width:100%;min-height:44px;margin-top:12px}.text-button.active{color:var(--accent);border-color:#41ded060}.quiet-note{font-size:12px;color:var(--muted);line-height:1.6}
summary{display:flex;justify-content:space-between;align-items:center;cursor:pointer;list-style:none;min-height:30px;font-size:14px}summary::-webkit-details-marker{display:none}summary>span{font-size:22px;color:var(--muted)}details[open]>summary>span{transform:rotate(45deg)}.details-content{padding-top:14px}.display-options{padding:13px 0}.model-notes{border-top:1px solid var(--line);font-size:14px;color:var(--muted);padding:12px 0 0;line-height:1.7}.model-notes p{font-size:14px;line-height:1.7}.model-notes a{color:var(--accent);text-decoration:underline;text-underline-offset:4px}.comparison-button{border:1px dashed #ffffff30;border-radius:8px;padding:10px;font-size:12px;color:var(--muted);background:none;width:100%;min-height:40px}
.canvas-label{position:absolute;left:calc(var(--panel-width) + 58px);top:111px;display:flex;flex-direction:column;gap:8px;pointer-events:none;z-index:1;text-shadow:0 2px 12px #0007;max-width:calc(100% - var(--panel-width) - 100px)}#level-caption{font-size:12px;color:var(--accent);letter-spacing:1.6px}#view-label{font-size:22px;letter-spacing:-.4px;font-weight:500}.canvas-label small{display:block;font-size:14px;line-height:1.5;color:var(--muted);margin-top:5px;letter-spacing:0;font-weight:400}.lighting-caption{font-size:12px;color:#c3d2d9;background:#10191e88;border:1px solid var(--line);border-radius:5px;padding:5px 8px;width:fit-content}.view-tools{position:absolute;right:24px;bottom:79px;display:flex;flex-direction:column;align-items:center;padding:5px;background:#17242be8;border:1px solid var(--line);border-radius:12px;z-index:2}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:0;border-radius:7px;background:transparent;font-size:27px;font-weight:300;color:#d4e5eb}.icon-button:hover{background:#ffffff09;color:var(--accent)}.tool-divider{width:22px;height:1px;margin:4px 0;background:var(--line)}.room-navigation{position:absolute;left:calc(var(--panel-width) + 58px);bottom:80px;display:flex;align-items:center;gap:12px;background:#17242bef;border:1px solid var(--line);padding:5px;border-radius:10px;z-index:2}.room-navigation button{min-height:44px;border:0;background:transparent;border-radius:6px;font-size:14px;padding:10px 14px}.room-navigation button:hover{background:#ffffff0a;color:var(--accent)}#previous-room{min-width:44px;font-size:22px;padding:6px}#room-position{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}#next-room{color:var(--accent);display:flex;align-items:center;gap:10px}.viewer-footer{position:absolute;left:28px;right:28px;bottom:0;height:48px;display:flex;align-items:center;justify-content:space-between;gap:20px;color:var(--muted);font-size:14px;border-top:1px solid var(--line)}.interaction-help i{font-style:normal;margin:0 10px;color:#546e7b}.scale-note{font-size:12px;color:#879eaa}.touch-help{display:none}
.loading-overlay{position:absolute;inset:84px 0 48px calc(var(--panel-width) + 32px);z-index:3;background:#10191ef5;display:flex;align-items:center;justify-content:center;transition:opacity .4s}.loading-overlay.loaded{opacity:0;pointer-events:none;visibility:hidden}.loading-card{text-align:center;max-width:360px;padding:24px}.loading-card h2{font-size:24px;font-weight:500;letter-spacing:-.5px;margin:24px 0 10px}.loading-card p{font-size:14px;color:var(--muted);line-height:1.8}.loading-card progress{width:200px;height:5px;border:0;border-radius:4px;accent-color:var(--accent);background:#ffffff15;margin-top:16px}.loading-card progress::-webkit-progress-bar{background:#ffffff15;border-radius:4px}.loading-card progress::-webkit-progress-value{background:var(--accent);border-radius:4px}.loading-mark{width:44px;height:48px;margin:auto;position:relative}.loading-mark span{position:absolute;left:0;top:0;width:44px;height:28px;border:1px solid var(--accent);border-radius:3px;transform:rotate(-30deg) skewX(30deg) scaleY(.85);opacity:.65;animation:breathe 2s ease-in-out infinite}.loading-mark span:nth-child(2){top:10px;animation-delay:.2s;opacity:.4}.loading-mark span:nth-child(3){top:20px;animation-delay:.4s;opacity:.2}@keyframes breathe{50%{translate:0 -4px;opacity:1}}#retry{background:var(--accent);border:0;color:#0e2528;padding:12px 20px;border-radius:8px;margin-top:10px;font-size:14px;min-height:44px}.notice{position:absolute;left:50%;bottom:64px;transform:translateX(-50%);z-index:6;background:#223a47;border:1px solid #ffffff30;box-shadow:0 6px 30px #0004;padding:12px 18px;max-width:520px;border-radius:9px;font-size:14px;line-height:1.6;margin:0}.noscript{position:absolute;inset:30% 20%;background:#17242b;padding:40px;text-align:center;z-index:10}[hidden]{display:none!important}
@media(max-width:1050px){:root{--panel-width:300px}.panel{padding:20px 18px}.panel-intro h1{font-size:22px}.canvas-label{left:calc(var(--panel-width) + 46px)}.room-navigation{left:calc(var(--panel-width) + 46px)}.scale-note{display:none}}
@media(max-width:850px){.topbar{height:76px;padding:0 18px}.brand-logo{width:27px;height:40px}.brand-name{font-size:19px}.brand-name>span{font-size:12px}.experience-label{display:none}.mobile-toggle{display:flex}.panel{display:none;top:88px;left:12px;bottom:64px;width:min(342px,calc(100% - 24px));background:#17242b;box-shadow:10px 0 70px #0009}.panel.open{display:block}.canvas-label{left:22px;top:98px;max-width:calc(100% - 50px)}#view-label{font-size:20px}.canvas-label small{max-width:380px}.view-tools{right:12px;bottom:80px}#scene{left:0;top:76px;width:100%;height:calc(100% - 124px)}.loading-overlay{inset:76px 0 48px}.viewer-footer{justify-content:center;left:16px;right:16px;font-size:12px}.interaction-help{display:none}.touch-help{display:block}.notice{left:14px;right:14px;transform:none;max-width:none;bottom:64px}.room-navigation{left:18px;bottom:80px;gap:4px}.room-navigation button{padding:10px}.panel.open~.room-navigation{visibility:hidden}}
@media(max-height:540px) and (min-width:851px){.panel{top:94px;bottom:58px}.canvas-label{top:96px}.canvas-label small,.lighting-caption{display:none}.room-navigation{bottom:65px}.view-tools{bottom:65px;flex-direction:row}.tool-divider{width:1px;height:22px;margin:0 4px}}
@media(max-width:420px){.room-navigation #room-position{display:none}.room-navigation{gap:2px}.canvas-label small{font-size:13px}}
@media(prefers-reduced-motion:reduce){*,*:before{animation:none!important;transition:none!important}}