html,body{margin:0;padding:0;width:100%;height:100%}body{overflow:hidden;background:#000}canvas{display:block;width:100%;height:100%}#app{display:block;width:100vw;height:100vh}#control-panel{position:fixed;top:20px;right:20px;z-index:1000;background:#000c;padding:15px;border-radius:10px;color:#fff;font-family:Arial,sans-serif;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}#control-panel button{margin:5px;padding:10px 15px;border:none;border-radius:5px;color:#fff;cursor:pointer;font-size:14px;transition:transform .3s,background .3s}#ar-btn{background:#4caf50}#threeD-btn{background:#2196f3}#control-panel button:hover{transform:scale(1.05)}#status{margin-top:10px;font-size:12px;opacity:.8}