body,html{background-color:#000;width:100%;height:100%;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;overflow:hidden}#root{width:100%;height:100%}.app-container{width:100vw;height:100vh;position:relative}.ui-overlay{box-sizing:border-box;z-index:10;pointer-events:none;flex-direction:column;align-items:center;width:100%;padding:20px;display:flex;position:absolute;top:0;left:0}.ui-overlay h1{color:#fff;text-shadow:0 2px 4px #000c;margin:0 0 15px;font-size:24px}.controls{pointer-events:auto;flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.controls button{color:#fff;cursor:pointer;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#1e1e1e99;border:1px solid #fff3;border-radius:20px;padding:8px 16px;transition:all .3s}.controls button:hover{background:#3c3c3ccc}.controls button.active{background:#6496ff99;border-color:#6496ffe6}.controls button.vr-btn{background:#ff4757;border-color:#ff6b81;font-weight:700}.controls button.vr-btn:hover{background:#ff6b81}