: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;background:#0a0a0a;color:#fafafa;overflow:hidden}.game-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;position:relative}canvas{border-radius:12px;box-shadow:0 0 40px #0096ff4d}.hud{position:absolute;top:20px;left:50%;transform:translate(-50%);display:flex;gap:2rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:1.1rem;color:#fff;text-shadow:0 2px 8px rgba(0,0,0,.5);z-index:10;pointer-events:none}.hud span{background:#0006;padding:.4rem 1rem;border-radius:8px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#0009;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:20;border-radius:12px}.overlay h1{margin:0 0 .5rem;font-size:2.5rem;font-weight:700;letter-spacing:-.03em;color:#fff}.overlay p{margin:0 0 1.5rem;color:#ffffffb3;font-size:1rem}.overlay .score-display{font-size:3rem;font-weight:700;color:gold;margin-bottom:.5rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.overlay .high-score{font-size:1rem;color:#ffffff80;margin-bottom:1.5rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.play-btn{background:linear-gradient(135deg,#0096ff,#00d4ff);color:#fff;border:none;padding:.8rem 2.5rem;font-size:1.1rem;font-weight:600;border-radius:50px;cursor:pointer;letter-spacing:.02em;transition:transform .15s,box-shadow .15s;box-shadow:0 4px 20px #0096ff66}.play-btn:hover{transform:scale(1.05);box-shadow:0 6px 28px #0096ff99}.controls-hint{position:absolute;bottom:20px;left:50%;transform:translate(-50%);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.75rem;color:#ffffff59;z-index:10;pointer-events:none;white-space:nowrap}