html,body{margin:0;padding:0;width:100%;height:100%;overflow:hidden;background:#05070d}#renderCanvas{width:100vw;height:100vh;display:block;outline:none;touch-action:none}#boot{position:fixed;top:0;right:0;bottom:0;left:0;z-index:5;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:#f4f7ff;background:#05070d;font-family:Segoe UI,system-ui,sans-serif;text-align:center;padding:24px}#boot strong{font-size:32px}#boot span{font-size:18px;color:#c5cede;max-width:28em}#boot.is-hidden{display:none}#boot-error{position:fixed;top:16px;right:16px;bottom:16px;left:16px;z-index:10;color:#ff6b6b;background:#05070de6;padding:16px;white-space:pre-wrap}