*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;width:100%;height:100%;overflow:hidden;background:#101215}canvas{display:block}.diagnostics{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;background:#101215;color:#e0e4ea;font-family:system-ui,sans-serif;font-size:1rem;line-height:1.6}.diagnostics h1{color:#ff6b6b;margin:0 0 1rem;font-size:1.5rem}.diagnostics ul{list-style:none;margin:1rem 0;background:#ffffff0d;border-radius:8px;padding:1rem 1.5rem}.diagnostics li{margin:.25rem 0;font-size:.875rem;font-family:monospace}.diagnostics p{margin:.5rem 0;color:#a0a8b8}