*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;background:#14161a;font-family:system-ui,"Segoe UI",sans-serif;color:#f2efe9}
.tour{position:relative;width:100%;height:100vh;height:100dvh;overflow:hidden;background:#14161a}
.gl{position:absolute;inset:0;width:100%;height:100%;display:block;outline:none;opacity:0;transition:opacity .5s ease}
.gl.on{opacity:1}
.gl.fading{transition:opacity .18s ease}
.render-overlay{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:10;opacity:0;transition:opacity .35s ease;pointer-events:none}
.render-overlay.on{opacity:1}

.poster{position:absolute;inset:0;z-index:30;display:flex;align-items:center;justify-content:center}
.poster img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.poster-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,12,15,.15),rgba(10,12,15,.55))}
.poster-ui{position:relative;z-index:2;text-align:center;display:flex;flex-direction:column;gap:16px;align-items:center;padding:24px}
.poster-ui h1{font-size:clamp(22px,4vw,34px);font-weight:600;text-shadow:0 2px 14px rgba(0,0,0,.5)}
.poster-note{font-size:13px;opacity:.85;text-shadow:0 1px 8px rgba(0,0,0,.6)}
.hidden,[hidden]{display:none!important}

.btn{border:0;border-radius:10px;cursor:pointer;font:inherit;color:#fff;min-height:44px;min-width:44px;padding:10px 18px}
.btn:focus-visible{outline:3px solid #f0a878;outline-offset:2px}
.btn-primary{background:#cf5527;font-size:17px;font-weight:600;padding:14px 30px;box-shadow:0 6px 24px rgba(0,0,0,.4)}
.btn-primary:hover{background:#e0642f}
.btn-ghost{background:rgba(18,20,24,.62);backdrop-filter:blur(6px);font-size:14px}
.btn-ghost:hover{background:rgba(38,42,48,.8)}
.btn-cta{display:inline-flex;align-items:center;background:#cf5527;font-weight:600;text-decoration:none}
.btn-cta:hover{background:#e0642f}

.hud{position:absolute;inset:0;z-index:20;pointer-events:none;display:flex;flex-direction:column;justify-content:space-between;
  padding:calc(14px + env(safe-area-inset-top)) calc(14px + env(safe-area-inset-right)) calc(14px + env(safe-area-inset-bottom)) calc(14px + env(safe-area-inset-left))}
.hud-top,.hud-bottom{display:flex;justify-content:space-between;align-items:flex-end;gap:10px}
.hud-top{align-items:flex-start}
.hud-top-right,.hud-bottom-right{display:flex;gap:8px;align-items:center;pointer-events:auto}
.unit-chip{background:rgba(18,20,24,.62);backdrop-filter:blur(6px);border-radius:10px;padding:10px 14px;font-size:14px;pointer-events:auto}
.nodes{display:flex;gap:8px;pointer-events:auto;flex-wrap:wrap}
.nodes .btn[aria-selected="true"]{background:#cf5527}
.hint{position:absolute;top:calc(70px + env(safe-area-inset-top));left:50%;transform:translateX(-50%);z-index:25;
  background:rgba(18,20,24,.7);padding:9px 16px;border-radius:9px;font-size:13px;transition:opacity .6s;pointer-events:none;text-align:center}
.disclaimer{position:relative;pointer-events:auto}
.disclaimer summary{list-style:none;cursor:pointer;background:rgba(18,20,24,.62);border-radius:10px;padding:11px 14px;font-size:14px;min-height:44px;display:flex;align-items:center}
.disclaimer[open] p{position:absolute;bottom:52px;right:0;width:min(340px,78vw);background:rgba(18,20,24,.92);border-radius:10px;padding:14px;font-size:13px;line-height:1.5}
.floorplan{position:absolute;left:calc(14px + env(safe-area-inset-left));bottom:calc(74px + env(safe-area-inset-bottom));
  width:132px;background:rgba(247,245,241,.92);border-radius:10px;padding:6px;pointer-events:auto;cursor:pointer;box-shadow:0 4px 18px rgba(0,0,0,.35)}
.floorplan svg{display:block;width:100%;height:auto}
.loading{position:absolute;inset:0;z-index:40;display:flex;flex-direction:column;gap:14px;align-items:center;justify-content:center;background:rgba(16,18,22,.85);font-size:14px}
.spinner{width:38px;height:38px;border:3px solid rgba(255,255,255,.2);border-top-color:#cf5527;border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.fallback{position:absolute;inset:0;z-index:50;overflow:auto;background:#14161a;padding:28px;display:flex;flex-direction:column;gap:16px}
.fallback-gallery{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.fallback-gallery img{width:100%;height:auto;border-radius:8px}
@media (max-width:640px){
  .floorplan{width:104px;bottom:calc(128px + env(safe-area-inset-bottom))}
  .hud-bottom{flex-direction:column;align-items:stretch}
  .hud-bottom-right{justify-content:space-between}
}
@media (prefers-reduced-motion: reduce){
  .gl{transition:none}
}