:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--accent:#d6ad70;--accent-strong:#efc986;--surface:#0a0e14e6;--surface-solid:#111720;--surface-soft:#1d2530d1;--surface-hover:#2f3a49e6;--text:#f9f7f2;--muted:#a8b1bd;--line:#ffffff1f;--danger:#ff9a91;--success:#8cd4ae;--shadow:0 24px 70px #00000057;--radius:16px;--font-family:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;font-family:var(--font-family);color:var(--text);font-synthesis:none;text-rendering:optimizelegibility;background:#0b0f14}*,:before,:after{box-sizing:border-box}html,body,#app,#viewer-shell{width:100%;height:100%;margin:0;overflow:hidden}body{background:#0b0f14}button,input,select{font:inherit}button,summary,label,select,input{-webkit-tap-highlight-color:transparent}button{border:1px solid var(--line);min-height:42px;color:inherit;cursor:pointer;background:#121821d1;border-radius:11px;padding:9px 13px;transition:border-color .18s,background .18s,color .18s,transform .12s}button:hover{background:var(--surface-hover);border-color:#ffffff4d}button:active{transform:translateY(1px)}button:disabled{cursor:not-allowed;opacity:.42}button:focus-visible,summary:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}button.active{border-color:color-mix(in srgb, var(--accent), white 12%);color:var(--accent-strong);background:color-mix(in srgb, var(--accent) 12%, #121821eb)}button.primary{color:#1a140b;background:linear-gradient(135deg, var(--accent-strong), var(--accent));border-color:#0000;font-weight:750}button.secondary{background:#ffffff0b}select,input[type=range]{width:100%}select{border:1px solid var(--line);color:var(--text);background:var(--surface-solid);border-radius:10px;margin-top:7px;padding:10px}input[type=range]{accent-color:var(--accent);margin-top:9px}.hidden{display:none!important}.muted,.empty-state{color:var(--muted);line-height:1.55}.empty-state{border:1px dashed var(--line);border-radius:12px;padding:14px}.skip-link{z-index:200;color:#111;background:var(--accent);padding:.7rem 1rem;position:fixed;top:-6rem;left:1rem}.skip-link:focus{top:1rem}.mobile-only{display:none}#viewer-shell{isolation:isolate;background:radial-gradient(circle at 58% 36%,#384452,#111821 55%,#090c10);position:relative}#viewer-canvas{touch-action:none;-webkit-user-select:none;user-select:none;width:100%;height:100%;display:block}#hotspot-layer{z-index:8;pointer-events:none;position:absolute;inset:0}#hotspot-layer button{pointer-events:auto;background:#0c1118d1;border-color:#ffffff80;border-radius:50%;width:38px;height:38px;min-height:0;position:absolute;box-shadow:0 4px 18px #00000059}#hotspot-layer button:after{content:"";border-radius:inherit;border:1px solid #ffffff2e;position:absolute;inset:-7px}#topbar{z-index:30;min-height:76px;padding:max(13px, env(safe-area-inset-top)) max(18px, env(safe-area-inset-right)) 10px max(18px, env(safe-area-inset-left));pointer-events:none;background:linear-gradient(#04070be0,#04070b4d 70%,#0000);align-items:center;gap:15px;display:flex;position:absolute;top:0;left:0;right:0}#topbar>*{pointer-events:auto}.brand{align-items:center;gap:11px;min-width:0;display:flex}.brand img{object-fit:contain;width:40px;height:40px}.brand h1{max-width:min(24vw,340px);font:560 clamp(15px, 1.7vw, 20px)/1.15 var(--font-family);text-overflow:ellipsis;white-space:nowrap;margin:2px 0 0;overflow:hidden}.eyebrow{color:var(--accent);letter-spacing:.15em;text-transform:uppercase;font-size:10px;font-weight:800;display:block}.topbar-actions{align-items:center;gap:7px;margin-left:auto;display:flex}.icon-button{width:42px;min-height:42px;padding:0;font-size:18px}#mode-switcher{border:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#070a0f9e;border-radius:14px;gap:4px;margin-left:auto;padding:4px;display:flex}#mode-switcher button{background:0 0;border:0;border-radius:9px;min-height:36px;padding:7px 12px}#viewer-sidebar{z-index:20;top:88px;bottom:84px;left:max(18px, env(safe-area-inset-left));border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);width:min(330px,100vw - 36px);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(20px)saturate(1.1);backdrop-filter:blur(20px)saturate(1.1);grid-template-rows:auto 1fr auto;transition:opacity .22s,transform .22s;display:grid;position:absolute;overflow:hidden}.tab-list{border-bottom:1px solid var(--line);grid-template-columns:repeat(4,1fr);gap:3px;padding:7px;display:grid}.tab-list button{background:0 0;border:0;border-radius:9px;min-width:0;min-height:38px;padding:6px 4px;font-size:11px}.panel{overscroll-behavior:contain;min-height:0;padding:20px;display:none;overflow:auto}.panel.active{animation:.2s both panel-in;display:block}@keyframes panel-in{0%{opacity:0;transform:translateY(5px)}}.panel-heading{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.panel h2,.glass-card h2,.modal-card h2{font:620 21px/1.2 var(--font-family);margin:5px 0 16px}.stack{gap:8px;display:grid}.wide{width:100%;margin-bottom:14px}.list-button,.tree-item{text-align:left;width:100%}details{border-left:1px solid var(--line);padding-left:10px}details+details{margin-top:7px}summary{cursor:pointer;border-radius:8px;padding:8px 5px;list-style:none}summary::-webkit-details-marker{display:none}summary:before{content:"›";color:var(--accent);margin-right:8px;transition:transform .16s;display:inline-block}details[open]>summary:before{transform:rotate(90deg)}.tree-item{width:calc(100% - 10px);margin:4px 0 4px 10px}fieldset{border:1px solid var(--line);border-radius:12px;margin:0 0 14px;padding:11px}legend{color:var(--muted);padding:0 6px}.variant-button{text-align:left;background-size:cover;width:100%;min-height:58px;margin-top:7px}.segmented{grid-template-columns:1fr 1fr;gap:7px;display:grid}#viewer-sidebar footer{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;gap:8px;padding:11px 16px;font-size:11px;display:flex}.glass-card{z-index:25;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);animation:.22s both card-in;position:absolute;overflow:auto}@keyframes card-in{0%{opacity:0;transform:translateY(8px)scale(.985)}}#info-card{top:96px;right:max(18px, env(safe-area-inset-right));width:min(340px,100vw - 36px);max-height:calc(100% - 190px);padding:22px}#info-card dl{grid-template-columns:minmax(80px,.7fr) 1.3fr;gap:8px 12px;margin:16px 0 0;display:grid}#info-card dt{color:var(--muted)}#info-card dd{overflow-wrap:anywhere;margin:0}.close-button{float:right;min-height:34px;color:var(--muted);background:0 0;border:0;padding:4px 6px;font-size:12px}#floorplan-panel{flex-direction:column;padding:22px;display:flex;inset:9vh 7vw}#floorplan-panel img{object-fit:contain;background:#e8e2d6;border-radius:12px;flex:1;min-width:0;min-height:0}:is(#viewer-shell:has(#floorplan-panel:not(.hidden)) #tour-controls,#viewer-shell:has(#floorplan-panel:not(.hidden)) #action-dock){opacity:0;pointer-events:none}#tour-controls{z-index:26;width:min(520px,100vw - 36px);padding:16px;bottom:86px;left:50%;transform:translate(-50%)}#tour-copy h3{margin:0 0 5px}#tour-copy p{color:var(--muted);margin:0 0 8px}.button-row,.modal-actions{flex-wrap:wrap;gap:8px;display:flex}.button-row>*{flex:1}#action-dock{z-index:24;right:max(18px, env(safe-area-inset-right));bottom:max(18px, env(safe-area-inset-bottom));border:1px solid var(--line);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#080c11b3;border-radius:14px;flex-wrap:wrap;justify-content:flex-end;gap:7px;max-width:calc(100vw - 380px);padding:5px;transition:opacity .2s,transform .2s;display:flex;position:absolute}#action-dock button{min-height:38px;font-size:12px}#loading{z-index:100;background:radial-gradient(circle,#23303e,#090d12 70%);place-items:center;transition:opacity .45s;display:grid;position:absolute;inset:0}#loading.complete{opacity:0;pointer-events:none}.loading-card{grid-template-columns:54px 1fr;align-items:center;gap:15px;width:min(430px,100vw - 42px);display:grid}.loading-mark{width:54px;height:54px;color:var(--accent);letter-spacing:.08em;border:1px solid #ffffff3d;border-radius:50%;place-items:center;font-weight:850;animation:1.7s ease-in-out infinite breathe;display:grid}@keyframes breathe{50%{box-shadow:0 0 35px color-mix(in srgb, var(--accent) 25%, transparent);transform:scale(1.04)}}.loading-copy{gap:5px;display:grid}.loading-copy span{color:var(--muted);font-size:13px}progress{background:#ffffff1a;border:0;border-radius:99px;grid-column:1/-1;width:100%;height:4px;overflow:hidden}progress::-webkit-progress-bar{background:#ffffff1a}progress::-webkit-progress-value{background:var(--accent);transition:width .2s}#fallback{z-index:110;background:linear-gradient(135deg,#111923,#080b0f);place-content:center;justify-items:start;padding:clamp(28px,8vw,120px);display:grid;position:absolute;inset:0}#fallback h2{max-width:680px;margin:9px 0;font-size:clamp(28px,5vw,58px)}#fallback p{max-width:620px;color:var(--muted);font-size:17px}#fallback pre{white-space:pre-wrap;max-width:min(760px,80vw);max-height:180px;overflow:auto}#toast-region{z-index:150;top:84px;right:max(18px, env(safe-area-inset-right));pointer-events:none;gap:8px;display:grid;position:absolute}.toast{border:1px solid var(--line);max-width:340px;box-shadow:var(--shadow);background:#0c1219f5;border-radius:12px;padding:12px 15px;animation:.2s both toast-in}@keyframes toast-in{0%{opacity:0;transform:translateY(-8px)}}.control-hint{z-index:22;border:1px solid var(--line);max-width:calc(100vw - 40px);color:var(--muted);text-align:center;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);pointer-events:none;background:#080c11c7;border-radius:99px;padding:9px 15px;position:absolute;bottom:92px;left:50%;transform:translate(-50%)}#crosshair{z-index:7;pointer-events:none;width:12px;height:12px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}#crosshair:before,#crosshair:after{content:"";background:#ffffffb8;position:absolute;box-shadow:0 0 3px #000}#crosshair:before{width:12px;height:1px;top:5px;left:0}#crosshair:after{width:1px;height:12px;top:0;left:5px}#joystick{z-index:15;width:var(--joystick-size,116px);height:var(--joystick-size,116px);background:rgba(5,10,15,var(--joystick-opacity,.42));pointer-events:none;border:2px solid #ffffff5c;border-radius:50%;position:absolute;transform:translate(-50%,-50%)}#joystick-thumb{background:color-mix(in srgb, var(--accent) 66%, #fff3);border:1px solid #ffffff80;border-radius:50%;width:44%;height:44%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}dialog{color:var(--text)}.modal-card{border:1px solid var(--line);background:#0d1219f7;border-radius:20px;width:min(620px,100vw - 34px);max-height:calc(100dvh - 34px);padding:clamp(22px,4vw,38px);overflow:auto;box-shadow:0 30px 100px #0000008c}.modal-card::backdrop{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#020508a3}.modal-card h2{margin-top:8px;font-size:clamp(26px,5vw,42px)}.instruction-grid{grid-template-columns:110px 1fr;gap:8px 14px;margin:22px 0;display:grid}.instruction-grid p,.instruction-copy p{color:var(--muted);margin:0}.instruction-note{border-left:2px solid var(--accent);color:var(--muted);background:#ffffff09;border-radius:0 8px 8px 0;margin:14px 0 0;padding:12px 14px;font-size:13px;line-height:1.5}.key{border:1px solid var(--line);color:var(--accent-strong);text-align:center;font:700 12px/1.2 var(--font-family);background:#ffffff0a;border-radius:8px;align-self:start;padding:5px 8px}.instruction-copy{gap:10px;margin:20px 0;display:none}.modal-actions{margin-top:24px}.modal-actions button{flex:150px}.settings-card label{color:var(--muted);margin:12px 0;display:block}.settings-card fieldset{margin-top:18px}.check-row{align-items:center;gap:9px;display:flex!important}.check-row input{width:auto}.ui-collapsed #viewer-sidebar,.ui-collapsed #action-dock{opacity:0;pointer-events:none;transform:translateY(12px)}.ui-collapsed .brand,.ui-collapsed #mode-switcher,.ui-collapsed #menu-toggle,.ui-collapsed #copy-link{opacity:0;pointer-events:none}@media (pointer:coarse){button{min-height:46px}button:hover{background:#121821d1}.instruction-grid{display:none}.instruction-copy{display:grid}}@media (max-width:900px){#mode-switcher button{padding-inline:8px;font-size:11px}.brand .eyebrow{display:none}.brand h1{max-width:22vw}}@media (max-width:760px){.mobile-only{place-items:center;display:inline-grid}#topbar{min-height:64px;padding:max(9px, env(safe-area-inset-top)) max(10px, env(safe-area-inset-right)) 8px max(10px, env(safe-area-inset-left));gap:8px}.brand{max-width:32vw}.brand h1{max-width:32vw;font-size:14px}#mode-switcher{top:calc(max(9px, env(safe-area-inset-top)) + 51px);white-space:nowrap;position:absolute;left:50%;transform:translate(-50%)}#mode-switcher button{min-height:34px}.topbar-actions{gap:3px}#copy-link,#collapse-ui{display:none}#viewer-sidebar{top:auto;right:max(8px, env(safe-area-inset-right));bottom:max(70px, calc(env(safe-area-inset-bottom) + 62px));left:max(8px, env(safe-area-inset-left));opacity:0;pointer-events:none;border-radius:20px;width:auto;max-height:min(62dvh,540px);transform:translateY(calc(100% + 90px))}#viewer-sidebar.open{opacity:1;pointer-events:auto;transform:translateY(0)}.panel{padding:18px}.tab-list{grid-template-columns:repeat(4,minmax(80px,1fr));overflow-x:auto}#action-dock{right:max(8px, env(safe-area-inset-right));bottom:max(8px, env(safe-area-inset-bottom));left:max(8px, env(safe-area-inset-left));grid-template-columns:repeat(5,minmax(0,1fr));max-width:none;display:grid;overflow:hidden}#action-dock button{white-space:normal;min-width:0;padding-inline:7px;font-size:11px;line-height:1.15}#action-dock button.hidden{display:none}#action-dock:has(#floorplan-toggle.hidden){grid-template-columns:repeat(4,minmax(0,1fr))}#info-card{top:auto;right:max(8px, env(safe-area-inset-right));bottom:max(74px, calc(env(safe-area-inset-bottom) + 66px));left:max(8px, env(safe-area-inset-left));width:auto;max-height:48dvh}#floorplan-panel{inset:max(92px, calc(env(safe-area-inset-top) + 82px)) 8px max(74px, calc(env(safe-area-inset-bottom) + 66px));padding:14px}#tour-controls{bottom:max(74px, calc(env(safe-area-inset-bottom) + 66px));padding:12px}#toast-region{top:106px;left:10px;right:10px}.toast{max-width:none}.control-hint{bottom:max(78px, calc(env(safe-area-inset-bottom) + 70px));font-size:12px}}@media (max-height:500px) and (orientation:landscape){#topbar{min-height:54px}.brand h1{display:none}#mode-switcher{margin-left:auto;position:static;transform:none}#viewer-sidebar{top:58px;bottom:58px;right:auto;left:max(8px, env(safe-area-inset-left));width:min(320px,42vw);max-height:none;transform:translate(calc(-100% - 20px))}#viewer-sidebar.open{transform:translate(0)}#action-dock{max-width:62vw;left:auto}#info-card{width:min(330px,42vw);max-height:none;inset:58px 8px 58px auto}#floorplan-panel{inset:58px 8px}#tour-controls{bottom:58px}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}