html,body{background:#efe8d8}#app canvas{width:100vw;height:100vh;display:block}.hint{z-index:10;color:#1e1a1280;font:12px system-ui,sans-serif;position:fixed;bottom:16px;left:16px}.toast{z-index:20;color:#efe8d8;opacity:0;pointer-events:none;background:#1e1a12d9;border-radius:6px;padding:8px 12px;font:12px system-ui,sans-serif;transition:opacity .15s,transform .15s;position:fixed;bottom:16px;right:16px;transform:translateY(4px)}.toast.visible{opacity:1;transform:translateY(0)}