:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100vh;min-height:100dvh;background:#0f0f1a;color:#fafafa;overflow:hidden;touch-action:manipulation;-webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none}.game-shell{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center}.game-canvas{width:100%;height:100%;display:block;cursor:pointer}.milestone-toast{position:fixed;top:20%;left:50%;transform:translate(-50%);background:#2ecc7133;border:1px solid rgba(46,204,113,.4);color:#2ecc71;font-weight:700;font-size:1.1rem;padding:.5rem 1.2rem;border-radius:.5rem;pointer-events:none;animation:toastPop 1.5s ease-out forwards;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}@keyframes toastPop{0%{opacity:1;transform:translate(-50%) translateY(0) scale(1.1)}60%{opacity:1;transform:translate(-50%) translateY(-10px) scale(1)}to{opacity:0;transform:translate(-50%) translateY(-30px) scale(.9)}}