*{box-sizing:border-box}html,body,.tour-app,.viewer{margin:0;width:100%;height:100%;overflow:hidden}body{font-family:Inter,Segoe UI,Arial,sans-serif;background:#07111f;color:#fff}.viewer{position:fixed;inset:0;touch-action:none;background:radial-gradient(circle at 50% 40%,#183550,#07111f 65%)}.viewer canvas{display:block;width:100%;height:100%}.topbar{position:fixed;z-index:20;left:18px;right:18px;top:18px;display:flex;justify-content:space-between;align-items:center;pointer-events:none}.tour-brand,.top-actions{pointer-events:auto;background:rgba(7,17,31,.58);border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(20px);box-shadow:0 10px 35px rgba(0,0,0,.25)}.tour-brand{display:flex;gap:11px;align-items:center;padding:9px 14px 9px 10px;border-radius:18px}.tour-brand b{display:block;font-size:15px}.tour-brand small{display:block;color:#b8c8d9;margin-top:2px;max-width:48vw;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.brand-dot{display:grid;place-items:center;width:36px;height:36px;border-radius:13px;background:linear-gradient(135deg,#40a9ff,#7657ff);font-weight:800}.brand-dot.large{width:64px;height:64px;border-radius:22px;font-size:22px}.top-actions{display:flex;gap:6px;padding:6px;border-radius:18px}.icon-btn{border:0;background:transparent;color:#fff;width:40px;height:40px;border-radius:13px;font-size:20px;cursor:pointer}.icon-btn:hover{background:rgba(255,255,255,.12)}.hotspot{position:absolute;z-index:12;transform:translate(-50%,-50%);pointer-events:auto;display:flex;flex-direction:column;align-items:center;gap:5px;cursor:pointer;transition:opacity .15s}.hotspot.hidden{opacity:0;pointer-events:none}.hotspot-icon{display:grid;place-items:center;width:45px;height:45px;border-radius:50%;background:rgba(11,24,42,.78);border:1px solid rgba(255,255,255,.35);backdrop-filter:blur(12px);box-shadow:0 8px 25px rgba(0,0,0,.35);font-size:21px}.hotspot-label{background:rgba(7,17,31,.78);border:1px solid rgba(255,255,255,.15);padding:6px 9px;border-radius:10px;font-size:12px;white-space:nowrap;max-width:190px;overflow:hidden;text-overflow:ellipsis}.side-panel{position:fixed;z-index:30;top:0;right:0;width:min(410px,100%);height:100%;padding:20px;background:rgba(5,13,24,.88);backdrop-filter:blur(30px);border-left:1px solid rgba(255,255,255,.12);transform:translateX(105%);transition:.28s ease;overflow:auto}.side-panel.open{transform:none}.panel-head{display:flex;align-items:center;justify-content:space-between;font-size:20px;margin:5px 0 16px}.panel-head button,.modal-close{border:0;background:rgba(255,255,255,.09);color:#fff;width:38px;height:38px;border-radius:12px;font-size:23px;cursor:pointer}.search-input{width:100%;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.08);color:#fff;border-radius:14px;padding:12px 14px;outline:none}.scene-list{display:grid;gap:8px;margin-top:14px}.scene-item{padding:12px 14px;border-radius:14px;background:rgba(255,255,255,.06);border:1px solid transparent;cursor:pointer}.scene-item:hover,.scene-item.active{background:rgba(72,149,239,.16);border-color:rgba(92,174,255,.4)}.scene-item small{display:block;color:#9fb2c6;margin-top:3px}.modal{display:none;position:fixed;z-index:40;inset:0;background:rgba(0,0,0,.45);padding:20px;place-items:center}.modal.open{display:grid}.modal-card{position:relative;width:min(560px,100%);max-height:80vh;overflow:auto;padding:25px;background:rgba(9,21,37,.94);border:1px solid rgba(255,255,255,.14);border-radius:24px;backdrop-filter:blur(25px);box-shadow:0 25px 80px rgba(0,0,0,.45)}.modal-close{position:absolute;right:14px;top:14px}.modal-card h2{padding-right:45px}.loading-screen,.empty-state{position:fixed;z-index:50;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;background:#07111f}.loading-screen span,.empty-state p{color:#9fb2c6}.loader-orbit{width:58px;height:58px;border:1px solid rgba(255,255,255,.18);border-radius:50%;position:relative;animation:spin 1.4s linear infinite}.loader-orbit i{width:12px;height:12px;border-radius:50%;background:#5da9ff;position:absolute;left:4px;top:4px;box-shadow:0 0 20px #5da9ff}@keyframes spin{to{transform:rotate(360deg)}}.hidden{display:none!important}@media(max-width:640px){.topbar{left:10px;right:10px;top:10px}.tour-brand{padding:7px 10px 7px 7px}.tour-brand small{max-width:45vw}.top-actions{padding:4px}.icon-btn{width:36px;height:36px}.hotspot-label{font-size:11px;max-width:145px}}
.tour-dock{position:fixed;z-index:20;left:50%;bottom:max(18px,env(safe-area-inset-bottom));transform:translateX(-50%);display:flex;gap:5px;padding:6px;background:rgba(7,17,31,.62);border:1px solid rgba(255,255,255,.14);border-radius:18px;backdrop-filter:blur(20px);box-shadow:0 10px 35px rgba(0,0,0,.25)}.dock-btn{border:0;background:transparent;color:#fff;display:flex;align-items:center;gap:7px;padding:9px 13px;border-radius:12px;cursor:pointer;font-weight:600}.dock-btn:hover{background:rgba(255,255,255,.1)}.dock-btn span{font-size:18px}.muted-text{color:#9fb2c6}.modal-wide{width:min(900px,100%)}.modal-action{width:100%;margin-top:12px;border:0;border-radius:13px;padding:12px;background:#247fd0;color:#fff;font-weight:700;cursor:pointer}.info-content{display:grid;gap:12px;color:#d7e2ed;line-height:1.55}.info-content img,.info-content video{display:block;max-width:100%;width:100%;max-height:65vh;object-fit:contain;border-radius:15px;background:#050d18}.public-floor-plan{position:relative;width:100%;overflow:hidden;border-radius:16px;background:#fff}.public-floor-plan>img{display:block;width:100%;height:auto;max-height:70vh;object-fit:contain}.public-floor-pin{position:absolute;transform:translate(-50%,-50%);border:0;background:transparent;color:#fff;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:3px}.public-floor-pin i{display:block;width:18px;height:18px;border-radius:50%;background:#3a8ad5;border:3px solid #fff;box-shadow:0 3px 10px rgba(0,0,0,.35)}.public-floor-pin.current i{background:#35c98f;transform:scale(1.25)}.public-floor-pin span{padding:4px 7px;border-radius:8px;background:rgba(6,16,29,.8);font-size:11px;white-space:nowrap}.scene-group{padding:10px 5px 3px;color:#718ba4;font-size:11px;text-transform:uppercase;letter-spacing:.08em}.hotspot.route-next .hotspot-icon{outline:4px solid rgba(55,211,154,.32);background:rgba(31,118,91,.88);animation:routePulse 1.2s ease-in-out infinite}@keyframes routePulse{50%{transform:scale(1.13)}}.route-bar,.auto-bar{position:fixed;z-index:25;left:50%;top:92px;transform:translateX(-50%);width:min(680px,calc(100% - 24px));display:flex;align-items:center;justify-content:space-between;gap:14px;padding:11px 13px 11px 16px;border-radius:17px;background:rgba(6,17,29,.82);border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(20px);box-shadow:0 12px 35px rgba(0,0,0,.28)}.route-bar>div,.auto-bar>div:first-child{display:grid;gap:2px;min-width:0}.route-bar small,.auto-bar small{color:#8ea7bd}.route-bar b,.auto-bar b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.route-bar button,.auto-actions button{border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.08);color:#fff;border-radius:11px;padding:8px 10px;cursor:pointer}.auto-actions{display:flex;gap:5px}.route-error{color:#ff9cab}.hotspot-label:empty{display:none}@media(max-width:640px){.tour-dock{bottom:max(10px,env(safe-area-inset-bottom));max-width:calc(100% - 16px)}.dock-btn{padding:8px 10px;font-size:11px}.dock-btn span{font-size:15px}.route-bar,.auto-bar{top:75px;align-items:flex-start}.auto-bar{flex-direction:column}.auto-actions{width:100%}.auto-actions button{flex:1}.public-floor-pin span{max-width:110px;overflow:hidden;text-overflow:ellipsis}.modal-card{padding:20px}.tour-brand b{font-size:13px}}
/* v0.4 — white hotspots, progressive panoramas, transitions, minimap and navigation */
.hotspot.white-hotspot{appearance:none;border:0;background:transparent;padding:0;display:flex;flex-direction:column;align-items:center;gap:5px;color:#fff;filter:drop-shadow(0 2px 5px rgba(0,0,0,.85));overflow:visible}.hotspot.white-hotspot:focus-visible{outline:2px solid rgba(255,255,255,.8);outline-offset:6px;border-radius:8px}.hotspot-svg{display:block;width:34px;height:34px}.hotspot-svg svg{display:block;width:100%;height:100%;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.hotspot-custom-mask{display:block;width:34px;height:34px;background:#fff;-webkit-mask-image:var(--hotspot-mask);mask-image:var(--hotspot-mask);-webkit-mask-size:contain;mask-size:contain;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-position:center;mask-position:center}.white-hotspot .hotspot-label{background:transparent;border:0;padding:0;color:#fff;font-size:12px;font-weight:700;line-height:1.15;text-shadow:0 1px 3px #000,0 0 8px #000;max-width:200px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.hotspot.route-next .hotspot-svg,.hotspot.route-next .hotspot-custom-mask{animation:whiteRoutePulse 1.15s ease-in-out infinite}.hotspot.route-next:before{content:"";position:absolute;width:48px;height:48px;border:2px solid rgba(255,255,255,.9);border-radius:50%;animation:whiteRouteRing 1.15s ease-out infinite}@keyframes whiteRoutePulse{50%{transform:scale(1.18)}}@keyframes whiteRouteRing{0%{transform:scale(.7);opacity:.95}100%{transform:scale(1.35);opacity:0}}
.start-screen{position:fixed;z-index:48;inset:0;display:grid;place-items:center;overflow:hidden;background:rgba(3,8,15,.58);backdrop-filter:blur(7px)}.start-screen.hidden{display:none}.start-cover{position:absolute;inset:0;background-position:center;background-size:cover;opacity:.92}.start-content{position:relative;z-index:1;width:min(620px,calc(100% - 32px));text-align:center;padding:34px;border:1px solid rgba(255,255,255,.16);border-radius:28px;background:rgba(6,16,29,.55);backdrop-filter:blur(22px);box-shadow:0 24px 80px rgba(0,0,0,.35)}.start-content .brand-dot{margin:0 auto 16px}.start-content h1{font-size:clamp(28px,5vw,48px);margin:0 0 12px}.start-content p{margin:0 auto 24px;color:#cfdaE6;max-width:520px;line-height:1.5}.start-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.start-actions button{border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:12px 18px;color:#fff;background:rgba(255,255,255,.1);font-weight:700;cursor:pointer}.start-actions button:first-child{background:#fff;color:#07111f;border-color:#fff}
.mini-map{position:fixed;z-index:21;left:18px;bottom:18px;width:190px;height:126px;padding:0;border:1px solid rgba(255,255,255,.18);border-radius:18px;overflow:hidden;background:#fff;box-shadow:0 12px 34px rgba(0,0,0,.3);cursor:pointer}.mini-map img{width:100%;height:100%;object-fit:contain;display:block}.mini-map>span{position:absolute;width:14px;height:14px;border-radius:50%;background:#fff;border:4px solid #238ae3;transform:translate(-50%,-50%);box-shadow:0 2px 8px rgba(0,0,0,.4)}.mini-map small{position:absolute;left:8px;bottom:8px;padding:4px 7px;border-radius:8px;background:rgba(5,13,24,.78);color:#fff;font-size:10px;max-width:calc(100% - 16px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.modal-floor{width:min(1080px,100%);max-height:90vh;overflow:hidden}.floor-modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding-right:44px;margin-bottom:12px}.floor-modal-head h2{margin:0 0 4px;padding:0}.floor-modal-head small{color:#91a6bc}.floor-controls{display:flex;gap:6px;align-items:center}.floor-controls select,.floor-controls button{border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.08);color:#fff;border-radius:11px;padding:8px 10px}.floor-controls select option{color:#111}.public-floor-viewport{height:min(68vh,700px);overflow:hidden;border-radius:16px;background:#eef3f7;touch-action:none;cursor:grab}.public-floor-viewport:active{cursor:grabbing}.public-floor-plan{position:relative;width:100%;height:100%;transform-origin:center center;transition:transform .05s linear;display:grid;place-items:center}.public-floor-plan>img{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}.public-floor-pin{z-index:2}.public-floor-pin i{background:#fff;border:4px solid #2c8fdf}.public-floor-pin.current i{background:#fff;border-color:#25b883;transform:scale(1.2)}
.object-head{display:grid;grid-template-columns:minmax(160px,260px) 1fr;gap:22px;align-items:start}.object-head>img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:18px}.object-head h2{margin:4px 0 8px}.object-head p{color:#c9d6e2;line-height:1.55}.object-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:22px}.object-gallery figure{margin:0;background:rgba(255,255,255,.05);border-radius:15px;overflow:hidden}.object-gallery img,.object-gallery video{display:block;width:100%;aspect-ratio:4/3;object-fit:cover}.object-gallery figcaption{padding:9px 11px;font-size:12px;color:#c8d5e1}
.icon-btn.active{background:rgba(255,255,255,.2)}
@media(max-width:760px){.mini-map{left:10px;bottom:74px;width:132px;height:88px;border-radius:14px}.floor-modal-head{flex-direction:column;padding-right:36px}.floor-controls{width:100%;overflow:auto}.floor-controls select{min-width:160px;flex:1}.public-floor-viewport{height:62vh}.object-head{grid-template-columns:1fr}.object-head>img{max-height:240px}.object-gallery{grid-template-columns:1fr}.start-content{padding:26px 18px}.start-actions{display:grid}.start-actions button{width:100%}.tour-dock{left:auto;right:10px;transform:none}.dock-btn{padding:9px}.dock-btn{font-size:0}.dock-btn span{font-size:18px}.topbar{align-items:flex-start}.tour-brand small{max-width:40vw}}
.public-floor-plan{width:100%;height:auto;display:block;transform-origin:center top}.public-floor-plan>img{display:block;width:100%;height:auto;max-width:none;max-height:none;object-fit:fill}.mini-map img{object-fit:fill}
/* v0.4 — progressive panoramas, scene transitions, gallery, navigator, hotspot sizing */
.white-hotspot .hotspot-svg,.white-hotspot .hotspot-custom-mask{width:calc(34px * var(--hotspot-scale,1));height:calc(34px * var(--hotspot-scale,1))}.white-hotspot .hotspot-label{font-size:calc(12px * min(var(--hotspot-scale,1),1.35))}
.scene-transition{position:fixed;z-index:42;inset:0;pointer-events:none;opacity:0;background:rgba(0,0,0,.86);transition:opacity var(--transition-ms,450ms) ease}.scene-transition.fade{background:rgba(4,12,22,.7);backdrop-filter:blur(2px)}.scene-transition.dark{background:#02060b}.scene-transition.zoom{background:rgba(4,12,22,.42);backdrop-filter:blur(5px)}.scene-transition.active{opacity:1}.viewer{transition:transform var(--transition-ms,450ms) ease,filter var(--transition-ms,450ms) ease}.viewer.scene-zooming{transform:scale(1.035);filter:blur(1px)}
.navigator-building{padding:14px 12px 5px;color:#fff;font-weight:800;font-size:13px}.navigator-floor{width:calc(100% - 14px);margin:5px 7px;padding:9px 10px;display:flex;justify-content:space-between;align-items:center;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.055);color:#fff;border-radius:11px;cursor:pointer}.navigator-floor span{font-size:10px;color:#8ea5ba}.navigator-floor:hover{background:rgba(255,255,255,.1)}
.mini-map>span{display:block}.mini-map>span>i{position:absolute;left:50%;top:50%;width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-bottom:16px solid #238ae3;transform-origin:50% 80%;filter:drop-shadow(0 1px 2px rgba(0,0,0,.35))}
.object-detail{display:grid;gap:18px}.object-copy small{color:#8ea5ba}.object-copy h2{margin:5px 0 9px;font-size:clamp(24px,4vw,38px)}.object-copy p{margin:0;color:#d0dbe6;line-height:1.6;white-space:pre-line}.gallery-stage{position:relative;display:grid;place-items:center;background:#030a12;border-radius:20px;overflow:hidden;min-height:320px}.gallery-stage img,.gallery-stage video{display:block;width:100%;max-height:62vh;object-fit:contain}.gallery-caption{position:absolute;left:14px;right:14px;bottom:14px;padding:10px 12px;border-radius:12px;background:rgba(3,10,18,.72);backdrop-filter:blur(12px);color:#fff}.gallery-thumbs{display:flex;gap:8px;overflow:auto;padding:2px 1px 5px}.gallery-thumb{position:relative;flex:0 0 92px;height:66px;padding:0;border:2px solid transparent;border-radius:12px;overflow:hidden;background:#07111d;cursor:pointer}.gallery-thumb.active{border-color:#fff}.gallery-thumb img,.gallery-thumb video{width:100%;height:100%;object-fit:cover}.gallery-thumb span{position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-size:20px;text-shadow:0 2px 5px #000}
@media(max-width:640px){.gallery-stage{min-height:220px}.gallery-thumb{flex-basis:78px;height:56px}}