: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;margin:0;padding:0}html,body,#root{min-height:100vh;background:#0a0a0a;color:#fafafa;overflow:hidden}.game-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative}.game-canvas{display:block;width:min(100vw,480px);height:min(100vh,640px);border-radius:8px;box-shadow:0 0 40px #0009;cursor:none;touch-action:none}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;pointer-events:none}.overlay-card{pointer-events:auto;text-align:center;background:#0a0a0ae0;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);border-radius:1rem;padding:2.5rem 3rem;max-width:340px;animation:fade-in .3s ease-out}@keyframes fade-in{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.overlay-card h1{font-size:2rem;font-weight:700;letter-spacing:-.03em;margin-bottom:.5rem;background:linear-gradient(135deg,gold,#ff8c00);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.overlay-card p{color:#ffffffb3;font-size:.95rem}.controls-hint{display:flex;flex-direction:column;gap:.25rem;margin:1rem 0;font-size:.8rem;color:#fff6;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.hi-score{margin-top:.5rem;font-size:.85rem;color:#ffd700b3}.final-score{font-size:1.5rem;font-weight:600;color:#fafafa!important;margin:.5rem 0}.new-record{font-size:1rem;font-weight:700;color:gold!important;animation:pulse .6s ease-in-out infinite alternate}@keyframes pulse{0%{opacity:.7;transform:scale(1)}to{opacity:1;transform:scale(1.08)}}.btn{margin-top:1.25rem;padding:.65rem 2rem;font-size:.95rem;font-weight:600;border:none;border-radius:.5rem;cursor:pointer;background:linear-gradient(135deg,gold,#ff8c00);color:#1a1a1a;transition:transform .1s,box-shadow .2s}.btn:hover{transform:translateY(-1px);box-shadow:0 4px 16px #ffd70059}.btn:active{transform:translateY(0)}