:root{color-scheme:dark;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;background:#000;color:#eee;overflow:hidden}a{color:#8ab4ff}code,kbd,pre{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.center{height:100%;display:grid;place-items:center;padding:24px}.card{background:#151515;border:1px solid #2a2a2a;border-radius:12px;padding:24px 32px;min-width:320px}.card-logo{display:block;height:44px;width:auto;margin:0 0 18px}.card h1{margin:0 0 12px;font-size:20px}.card ul{list-style:none;padding:0;margin:0}.card li{padding:6px 0}.muted{color:#888;font-size:12px;margin-left:8px}.error{color:#ff7b7b}.viewer{position:fixed;inset:0}.canvas{position:absolute;inset:0}.canvas canvas{display:block;width:100%;height:100%}.hotspots{position:absolute;inset:0;pointer-events:none;overflow:hidden}.hotspot{position:absolute;left:0;top:0;pointer-events:auto;display:flex;flex-direction:column;align-items:center;gap:6px;background:none;border:0;color:#fff;cursor:pointer;padding:8px;will-change:transform}.hotspot-arrow{width:56px;height:56px;display:block;filter:drop-shadow(0 2px 4px rgba(0,0,0,.45));transition:transform .15s}.hotspot:hover .hotspot-arrow{transform:scale(1.1)}.hotspot-label{font-size:12px;padding:3px 8px;border-radius:6px;background:#0000008c;white-space:nowrap;text-shadow:0 1px 2px #000}.topbar{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;gap:12px;padding:calc(10px + env(safe-area-inset-top)) 14px 10px;background:linear-gradient(#000000a6,#0000);pointer-events:none}.topbar>*{pointer-events:auto}.back{font-size:26px;line-height:1;text-decoration:none;color:#fff;padding:0 6px}.brand{display:flex;align-items:center;padding-right:12px;border-right:1px solid rgba(255,255,255,.25)}.brand img{height:38px;width:auto;display:block;filter:drop-shadow(0 1px 2px rgba(0,0,0,.6))}@media(max-width:520px){.brand img{height:26px}.brand{padding-right:8px}}.titles{flex:1;min-width:0}.tour-name{font-size:15px;font-weight:600;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.scene-select{background:#00000080;color:#fff;border:1px solid #444;border-radius:6px;padding:4px 8px}.badge{font-size:11px;padding:3px 8px;border-radius:999px;background:#333;color:#ccc;white-space:nowrap}.badge.full{background:#1f5f2f;color:#c8f7d2}.badge.preview{background:#5f4f1f;color:#fff0c2}.editbar{position:absolute;bottom:0;left:0;right:0;padding:12px 16px calc(12px + env(safe-area-inset-bottom));background:#141414e6;border-top:1px solid #333;font-size:13px}.editbar pre{margin:8px 0 0;padding:8px;background:#000;border-radius:6px;overflow-x:auto}