:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;overflow:hidden}#app{width:100vw;height:100vh;overflow:hidden}#loading-screen{position:fixed;top:0;left:0;width:100%;height:100%;background:#1a1a2e;display:flex;justify-content:center;align-items:center;z-index:1000;transition:opacity .5s ease}#loading-screen.fade-out{opacity:0;pointer-events:none}.loading-content{text-align:center;color:#fff}.loading-spinner{width:50px;height:50px;border:4px solid rgba(255,255,255,.1);border-top-color:#4f46e5;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 20px}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{font-size:1.5rem;margin-bottom:20px}.loading-progress{width:200px;height:6px;background:#ffffff1a;border-radius:3px;overflow:hidden;margin:0 auto 10px}.loading-progress-bar{height:100%;width:0%;background:linear-gradient(90deg,#4f46e5,#7c3aed);border-radius:3px;transition:width .3s ease}.loading-percentage{font-size:.9rem;color:#ffffffb3}.error-icon{font-size:4rem;margin-bottom:20px}.error-message{font-size:1.2rem;color:#ffffffe6;max-width:400px;line-height:1.6}#scene-indicator{position:fixed;bottom:20px;left:50%;transform:translate(-50%);background:#000000b3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:15px 25px;border-radius:12px;color:#fff;z-index:100;display:flex;flex-direction:column;align-items:center;gap:10px}.scene-info{display:flex;gap:15px;align-items:center}.scene-name{font-weight:600;font-size:1.1rem}.scene-counter{color:#fff9;font-size:.9rem}.scene-nav{display:flex;gap:10px}.nav-btn{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:#fff;padding:8px 16px;border-radius:6px;cursor:pointer;transition:all .2s ease;font-size:.85rem}.nav-btn:hover:not(:disabled){background:#fff3}.nav-btn:disabled{opacity:.4;cursor:not-allowed}#gyro-toggle{position:fixed;bottom:100px;right:20px;width:50px;height:50px;border-radius:50%;background:#0009;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:2px solid rgba(255,255,255,.2);color:#ffffffb3;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease;z-index:100;-webkit-tap-highlight-color:transparent}#gyro-toggle:hover,#gyro-toggle:active{background:#000c;border-color:#fff6}#gyro-toggle.active{background:#4f46e5cc;border-color:#4f46e5;color:#fff}#gyro-toggle svg{width:24px;height:24px}#zoom-controls{position:fixed;bottom:100px;left:20px;display:flex;flex-direction:column;gap:10px;z-index:100}.zoom-btn{width:50px;height:50px;border-radius:50%;background:#0009;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:2px solid rgba(255,255,255,.2);color:#fff;font-size:24px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;-webkit-tap-highlight-color:transparent}.zoom-btn:hover,.zoom-btn:active{background:#000c;border-color:#fff6}.zoom-btn:disabled{opacity:.4;cursor:not-allowed}@media(max-width:768px){#scene-indicator{bottom:10px;padding:12px 18px;border-radius:10px;max-width:calc(100% - 40px)}.scene-name{font-size:1rem}.scene-counter{font-size:.8rem}.nav-btn{padding:10px 14px;font-size:.8rem}#gyro-toggle,.zoom-btn{width:44px;height:44px}#gyro-toggle svg{width:20px;height:20px}.zoom-btn{font-size:20px}}@media(max-height:500px)and (orientation:landscape){#scene-indicator{bottom:5px;padding:8px 15px}#gyro-toggle{bottom:60px;right:10px}#zoom-controls{bottom:60px;left:10px}}@media(hover:none){.nav-btn:active{background:#ffffff4d;transform:scale(.95)}#gyro-toggle:active,.zoom-btn:active{transform:scale(.9)}}