:root{color-scheme:dark;--glass:rgba(16,22,23,.76);font-family:Arial,"Segoe UI",sans-serif}*{box-sizing:border-box}html,body{width:100%;height:100%;margin:0;overflow:hidden;background:var(--bs-charcoal)}button,a{font:inherit}button{color:inherit}.viewer-toolbar{position:relative;z-index:20;height:72px;padding:0 clamp(18px,3vw,52px);display:flex;align-items:center;gap:28px;color:var(--bs-charcoal);background:var(--bs-white);box-shadow:0 3px 16px rgba(16,22,23,.14)}.viewer-brand{display:block;flex:0 0 auto}.viewer-brand img{display:block;width:154px;height:auto}.viewer-context{display:flex;min-width:170px;flex-direction:column;padding-left:24px;border-left:1px solid var(--bs-border)}.viewer-context small{color:var(--bs-text-muted);font-size:10px;text-transform:uppercase;letter-spacing:.12em}.viewer-context strong{font-size:14px}.tour-switcher{display:flex;align-items:center;justify-content:center;gap:5px;margin:auto;padding:4px;border:1px solid var(--bs-border);border-radius:99px;background:var(--bs-bg-soft)}.tour-switcher button{padding:9px 15px;border:0;border-radius:99px;color:var(--bs-text-muted);background:transparent;cursor:pointer;font-size:13px}.tour-switcher button.active{color:var(--bs-white);background:var(--bs-energy-gradient);box-shadow:0 4px 12px rgba(45,184,120,.22)}.exit-tour{display:flex;align-items:center;gap:10px;color:var(--bs-charcoal);text-decoration:none;font-weight:800;font-size:13px}.exit-tour span{display:grid;width:32px;height:32px;place-items:center;border:1px solid var(--bs-border);border-radius:50%;font-size:20px}.viewer-shell{position:relative;width:100%;height:calc(100dvh - 72px);min-height:430px;overflow:hidden;background:var(--bs-charcoal);isolation:isolate}#viewer{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:grab;touch-action:none}#viewer:active{cursor:grabbing}.vignette{position:absolute;z-index:1;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(0,0,0,.52),transparent 28%,transparent 58%,rgba(0,0,0,.74)),linear-gradient(90deg,rgba(0,0,0,.16),transparent 24%,transparent 76%,rgba(0,0,0,.16))}.top-bar{position:absolute;z-index:4;inset:0 0 auto;padding:28px clamp(20px,4vw,62px);pointer-events:none}.tour-title p{margin:0 0 5px;color:rgba(255,255,255,.7);font-size:10px;letter-spacing:.18em}.tour-title h1{margin:0;font-size:clamp(28px,3vw,44px);line-height:1;font-weight:500;text-shadow:0 2px 18px rgba(0,0,0,.4)}.tour-title span{display:block;margin-top:7px;color:rgba(255,255,255,.78);font-size:13px}.loading{position:absolute;z-index:12;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;background:var(--bs-charcoal);transition:opacity .4s ease,visibility .4s}.loading.hidden{opacity:0;visibility:hidden;pointer-events:none}.loading strong{font-size:18px}.loading small{color:rgba(255,255,255,.58)}.loader{width:42px;height:42px;border:2px solid rgba(255,255,255,.18);border-top-color:var(--bs-green-solid);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.hint{position:absolute;z-index:3;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;align-items:center;gap:10px;padding:12px 18px;border-radius:99px;color:#fff;background:rgba(16,22,23,.66);backdrop-filter:blur(12px);font-size:13px;pointer-events:none;opacity:0;animation:hint 4s 1s ease both}.hint svg{width:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}@keyframes hint{0%{opacity:0}15%,75%{opacity:1}100%{opacity:0}}.side-controls{position:absolute;z-index:5;right:clamp(16px,3vw,38px);top:50%;transform:translateY(-50%);display:grid;gap:10px}.side-controls button{width:46px;height:46px;padding:12px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.22);border-radius:50%;background:var(--glass);backdrop-filter:blur(14px);cursor:pointer}.side-controls button:hover{background:rgba(255,255,255,.18)}.side-controls button.active{color:var(--bs-green-solid)}.side-controls svg{width:100%;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.bottom-panel{position:absolute;z-index:5;left:clamp(18px,3vw,46px);right:clamp(18px,3vw,46px);bottom:max(18px,env(safe-area-inset-bottom));display:grid;grid-template-columns:94px minmax(0,1fr) 64px;align-items:end;gap:18px}.scene-menu-button,.info-button{border:0;background:transparent;cursor:pointer;display:grid;justify-items:center;gap:7px;font-size:12px;text-shadow:0 1px 8px rgba(0,0,0,.8)}.grid-icon{width:44px;height:44px;border-radius:50%;background:#fff;display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:12px}.grid-icon i{border:2px solid var(--bs-charcoal);border-radius:2px}.info-button span{width:44px;height:44px;border:2px solid #fff;border-radius:50%;display:grid;place-items:center;background:rgba(16,22,23,.52);font:700 23px Georgia}.info-button b{font-weight:400}.scene-strip-wrap{min-width:0;display:flex;align-items:center;gap:8px;transition:opacity .25s,transform .25s}.scene-strip-wrap.collapsed{opacity:0;transform:translateY(25px);pointer-events:none}.scene-strip{min-width:0;flex:1;display:flex;gap:9px;overflow-x:auto;scrollbar-width:none;padding:4px}.scene-strip::-webkit-scrollbar{display:none}.scene-card{flex:0 0 132px;aspect-ratio:2/1;position:relative;overflow:hidden;border:2px solid rgba(255,255,255,.72);border-radius:6px;background:var(--bs-charcoal);padding:0;cursor:pointer;box-shadow:0 8px 24px rgba(0,0,0,.24)}.scene-card.active{border-color:transparent;background:linear-gradient(var(--bs-charcoal),var(--bs-charcoal)) padding-box,var(--bs-energy-gradient) border-box;box-shadow:0 8px 24px rgba(0,0,0,.3)}.scene-card img{width:100%;height:100%;object-fit:cover;display:block}.scene-card span{position:absolute;inset:auto 0 0;padding:15px 7px 6px;text-align:left;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;background:linear-gradient(transparent,rgba(0,0,0,.86))}.strip-arrow{flex:0 0 34px;height:52px;border:0;border-radius:18px;background:rgba(16,22,23,.65);font-size:30px;cursor:pointer}.sheet-heading{display:none}.info-card{position:absolute;z-index:10;right:32px;bottom:100px;width:min(390px,calc(100% - 40px));padding:30px;border:1px solid rgba(255,255,255,.16);border-radius:16px;background:rgba(16,22,23,.94);backdrop-filter:blur(22px);box-shadow:0 24px 70px rgba(0,0,0,.38);opacity:0;visibility:hidden;transform:translateY(15px);transition:.25s ease}.info-card.open{opacity:1;visibility:visible;transform:none}.info-card>p:first-of-type{color:var(--bs-green-solid);font-size:11px;letter-spacing:.18em}.info-card h2{margin:8px 0 12px;font-size:28px}.info-card p{margin:0;color:rgba(255,255,255,.72);line-height:1.7}.info-card button{position:absolute;right:14px;top:10px;border:0;background:none;color:#fff;font-size:28px;cursor:pointer}
@media(max-width:900px){.viewer-toolbar{height:62px;padding:0 14px;gap:12px}.viewer-brand img{width:125px}.viewer-context{display:none}.tour-switcher{position:absolute;z-index:3;top:74px;left:50%;transform:translateX(-50%);background:rgba(16,22,23,.76);border-color:rgba(255,255,255,.24);backdrop-filter:blur(12px)}.tour-switcher button{padding:7px 11px;color:rgba(255,255,255,.75);font-size:11px}.exit-tour{margin-left:auto;font-size:0}.exit-tour span{font-size:20px}.viewer-shell{height:calc(100dvh - 62px)}.top-bar{padding:68px 16px 18px}.tour-title h1{font-size:24px}.side-controls{right:12px}.side-controls button{width:42px;height:42px}.bottom-panel{left:12px;right:12px;bottom:max(12px,env(safe-area-inset-bottom));grid-template-columns:54px 1fr 48px;gap:7px}.scene-menu-button>span:last-child,.info-button b{display:none}.scene-strip-wrap{position:fixed;z-index:20;right:0;bottom:0;left:0;display:block;max-height:62dvh;padding:18px 14px max(18px,env(safe-area-inset-bottom));border-radius:18px 18px 0 0;background:rgba(16,22,23,.97);box-shadow:0 -14px 44px rgba(0,0,0,.36);transform:translateY(110%);opacity:0;pointer-events:none}.scene-strip-wrap.is-open{transform:none;opacity:1;pointer-events:auto}.scene-strip-wrap.collapsed{transform:translateY(110%);opacity:0}.sheet-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.sheet-heading strong{font-size:18px}.sheet-heading button{border:0;color:#fff;background:transparent;font-size:28px}.scene-strip{display:grid;grid-template-columns:1fr 1fr;gap:10px;max-height:47dvh;overflow-y:auto;padding:0}.scene-card{width:100%;flex:none}.strip-arrow{display:none}.hint{max-width:calc(100% - 90px);text-align:center;white-space:normal}.info-card{right:16px;bottom:74px}.grid-icon,.info-button span{width:40px;height:40px}}
@media(max-width:520px){.viewer-brand img{width:112px}.tour-switcher button{padding:7px 9px}.tour-title{display:none}.top-bar{padding:0}.scene-strip{grid-template-columns:1fr 1fr}.scene-card span{font-size:10px}.hint{font-size:11px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}

:is(.tour-switcher button,.side-controls button,.scene-card,.scene-menu-button,.info-button,.exit-tour,.strip-arrow):focus-visible{outline:2px solid var(--bs-green-solid);outline-offset:3px}
.strip-arrow:hover,.side-controls button:hover{color:var(--bs-white);background:var(--bs-energy-gradient)}