body{margin:0;background:#050510;display:flex;align-items:center;justify-content:center;min-height:100vh;font-family:Segoe UI,system-ui,sans-serif}.gameContainer{position:relative;width:800px;height:600px}.gameCanvas{display:block;border:2px solid #334;border-radius:8px;box-shadow:0 0 40px #44aaff26}.loadingOverlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#050510e6;pointer-events:none}.loadingText{font-size:22px;color:#8bf;animation:pulse 1.5s infinite alternate}@keyframes pulse{0%{opacity:.6}to{opacity:1}}.startOverlay,.endOverlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;padding-bottom:80px;pointer-events:none}.startButton,.restartButton{pointer-events:auto;font-size:22px;padding:14px 48px;border:none;border-radius:12px;background:linear-gradient(135deg,#48f,#84f);color:#fff;font-weight:700;cursor:pointer;box-shadow:0 4px 20px #48f6;transition:transform .15s,box-shadow .15s}.startButton:hover,.restartButton:hover{transform:scale(1.05);box-shadow:0 6px 30px #48f9}.hint{margin-top:12px;color:#89a;font-size:14px;pointer-events:none;text-align:center;line-height:1.6}.pauseOverlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;pointer-events:none}.pauseText{font-size:48px;color:#fff;text-shadow:0 0 30px #4499ff}.helpOverlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:20;cursor:pointer}.helpPanel{background:#1a1a2a;border:1px solid #4488ff;border-radius:16px;padding:30px 40px;color:#def;font-size:16px;line-height:2;box-shadow:0 0 40px #48f3;max-width:380px;pointer-events:auto}.helpPanel h2{margin-top:0;color:#48f;text-align:center}.scoreOverlay{position:absolute;top:16px;left:50%;transform:translate(-50%);pointer-events:none;z-index:10}.scoreNumber{font-size:28px;font-weight:700;color:#fd4;text-shadow:0 0 15px rgba(255,221,68,.5);background:#00000059;padding:4px 18px;border-radius:8px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}@media (max-width: 850px){.gameContainer{width:100vw;height:75vw}.gameCanvas{width:100%;height:100%}.helpPanel{padding:20px;font-size:14px;max-width:280px}}