*{margin:0;padding:0;box-sizing:border-box}body{overflow:hidden;font-family:Arial,sans-serif;background:#000}#canvas-container{width:100vw;height:100vh;position:relative}.webgl{position:absolute;top:0;left:0;width:100%;height:100%;outline:none}#loader{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#171617;display:flex;justify-content:center;align-items:center;z-index:1000;transition:opacity .5s ease}.loader-content{display:flex;flex-direction:column;align-items:center;gap:20px}.loader-logo{max-width:100px;max-height:50px;object-fit:contain}.loader-text{color:#fff;font-size:1.2rem;font-family:sans-serif}.loader-bar{width:300px;height:4px;background:#fff3;border-radius:2px;overflow:hidden}.loader-bar-fill{height:100%;width:0%;background:#fff;border-radius:2px;transition:width .3s ease}.loader-percent{color:#ffffffb3;font-size:.9rem;font-family:sans-serif}#suspended-message{display:none;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:#000000e6;color:#fff;padding:40px 60px;border-radius:15px;text-align:center;z-index:200;border:2px solid #ff4444}#suspended-message h2{margin-bottom:20px;color:#f44}#suspended-message p{font-size:16px;color:#ccc}#tour-controls{color:#000!important;position:fixed;bottom:20px;right:20px;z-index:100;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.control-bar{opacity:0;transition:opacity .3s ease;position:fixed;bottom:10px;right:10px;z-index:100;display:flex;gap:0px;padding:5px;background:#ffffff26;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-radius:15px;border:1px solid rgba(255,255,255,.3);box-shadow:0 8px 32px #0000001a,inset 0 1px #ffffff80,inset 0 -1px #ffffff1a,inset 0 0 22px 11px #ffffff1a;overflow:hidden}.control-bar:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.8),transparent)}.control-bar:after{content:"";position:absolute;top:0;left:0;width:1px;height:100%;background:linear-gradient(180deg,rgba(255,255,255,.8),transparent,rgba(255,255,255,.3))}.control-popup{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:200;padding:16px;min-width:150px;background:#ffffff26;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-radius:20px;border:1px solid rgba(255,255,255,.3);box-shadow:0 8px 32px #0000001a,inset 0 1px #ffffff80,inset 0 -1px #ffffff1a,inset 0 0 22px 11px #ffffff1a;overflow:hidden}.control-popup:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.8),transparent)}.control-popup:after{content:"";position:absolute;top:0;left:0;width:1px;height:100%;background:linear-gradient(180deg,rgba(255,255,255,.8),transparent,rgba(255,255,255,.3))}.control-btn{width:40px;height:40px;border:none;background:transparent;color:#fffc;cursor:pointer;border-radius:15px;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.control-btn:hover{background:#ffffff26;color:#fff}.control-btn svg{width:20px;height:20px}.control-btn .quality-label{font-size:11px;font-weight:600;letter-spacing:.5px}.popup-close{position:absolute;top:8px;right:8px;width:28px;height:28px;border:none;background:transparent;color:#fff9;font-size:24px;cursor:pointer;border-radius:4px;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.popup-close:hover{background:#ffffff1a;color:#fff}.quality-popup{display:flex;flex-direction:column;gap:4px}.popup-option{padding:10px 16px;background:transparent;border:none;color:#ffffffb3;cursor:pointer;border-radius:6px;text-align:left;font-size:13px;transition:all .15s ease}.popup-option:hover{background:#ffffff1a;color:#fff}.help-popup{min-width:250px;padding:16px}.help-content h3{color:#fff;font-size:14px;font-weight:600;margin:0 0 12px;padding-bottom:8px;border-bottom:1px solid rgba(255,255,255,.1)}.help-item{display:flex;align-items:center;gap:10px;padding:8px 0;color:#fffc;font-size:13px}.help-icon{font-size:16px;width:24px;text-align:center}.settings-toggle{display:none;position:fixed;bottom:20px;right:20px;z-index:101;width:50px;height:50px;border:none;background:#ffffff26;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-radius:50%;border:1px solid rgba(255,255,255,.3);box-shadow:0 8px 32px #0003;color:#fff;cursor:pointer;align-items:center;justify-content:center;transition:transform .3s ease,background .2s ease}.settings-toggle svg{width:24px;height:24px;transition:transform .3s ease}.settings-toggle.active{background:#ffffff40}.settings-toggle.active svg{transform:rotate(90deg)}.control-bar.mobile-hidden{opacity:0;pointer-events:none;transform:translate(20px)}@media(min-width:769px){.control-bar{opacity:0;transition:opacity .3s ease}.settings-toggle{display:none!important}}@media(max-width:768px){.control-bar{position:fixed;bottom:80px;right:20px;flex-direction:column;transition:opacity .3s ease,transform .3s ease}.control-bar.mobile-open{opacity:1;pointer-events:auto;transform:translate(0)}.settings-toggle{display:flex}.control-popup{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);width:calc(100% - 40px);max-width:300px}}