*{margin:0;padding:0;box-sizing:border-box}:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5;font-weight:400;color:#fff;background-color:#0a0a1a;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;overflow:hidden;background-color:#0a0a1a}#root{width:100vw;height:100vh}.game-container{width:100vw;height:100vh;overflow:hidden;position:relative;background:#0a0a1a}.game-canvas{display:block;position:absolute;top:0;left:0}.score-display{position:absolute;top:20px;left:50%;transform:translate(-50%);font-size:clamp(1.5rem,4vw,2.5rem);font-weight:700;color:#fff;text-shadow:0 0 20px rgba(100,150,255,.8),0 0 40px rgba(100,150,255,.4);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;z-index:10;pointer-events:none}.overlay{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#0a0a1af2;z-index:20;animation:fadeIn .3s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.overlay h1{font-size:clamp(2.5rem,8vw,5rem);font-weight:900;color:#fff;margin-bottom:1rem;text-shadow:0 0 30px rgba(100,150,255,.8),0 0 60px rgba(100,150,255,.4);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;text-align:center;background:linear-gradient(135deg,#667eea,#764ba2,#4facfe);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;animation:glow 2s ease-in-out infinite alternate}@keyframes glow{0%{filter:drop-shadow(0 0 20px rgba(100,150,255,.5))}to{filter:drop-shadow(0 0 40px rgba(118,75,162,.8))}}.overlay p{font-size:clamp(1rem,3vw,1.5rem);color:#fffc;margin-bottom:1rem;text-align:center}.overlay .controls-info{color:#fff9;font-size:clamp(.9rem,2.5vw,1.2rem);margin-bottom:2rem}.overlay .final-score{font-size:clamp(1.5rem,4vw,2rem);color:#4facfe;font-weight:700;margin-bottom:2rem}.overlay button{padding:1rem 3rem;font-size:clamp(1.2rem,3vw,1.5rem);font-weight:700;color:#fff;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:50px;cursor:pointer;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 20px #764ba280;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.overlay button:hover{transform:scale(1.05);box-shadow:0 6px 30px #764ba2b3}.overlay button:active{transform:scale(.98)}.controls-hint{position:absolute;bottom:30px;left:50%;transform:translate(-50%);display:flex;gap:3rem;font-size:clamp(1rem,2.5vw,1.2rem);color:#fff6;z-index:10;pointer-events:none}.controls-hint span{padding:.5rem 1.5rem;background:#ffffff1a;border-radius:8px;border:1px solid rgba(255,255,255,.1)}@media(max-width:600px){.controls-hint{gap:1.5rem}.controls-hint span{padding:.4rem 1rem}.overlay button{padding:.8rem 2rem}}