@keyframes fadeInOut{0%,to{opacity:0}10%,90%{opacity:1}}@keyframes snow{0%{background-position:0 0,0 0,0 0}to{background-position:500px 1000px,400px 400px,300px 300px}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}*{margin:0;padding:0;box-sizing:border-box}body{background:linear-gradient(135deg,#667eea,#764ba2);display:flex;justify-content:center;align-items:center;min-height:100vh;overflow:hidden}.game-container{position:relative;width:100vmin;max-width:800px;max-height:75dvh;border-radius:10px;overflow:hidden;z-index:0}#gameCanvas{display:block;width:100%;height:100%;background:0 0;z-index:0}.ui-overlay{position:absolute;top:0;left:0;right:0;padding:20px;display:flex;justify-content:flex-start;align-items:flex-start;pointer-events:none;z-index:-1}.sound-button{background:#764ba2;border-radius:9999px;border:0;width:40px;height:40px;cursor:pointer;transition:transform .2s,opacity .3s;pointer-events:all;position:absolute;top:61%;right:20px;z-index:10000;opacity:.8;padding:.5rem;scale:.9}@media (max-width:768px){.sound-button{top:51%;right:0}}.sound-button:hover{transform:scale(1.1);opacity:1}.sound-button:active{transform:scale(.95)}.sound-icon{width:100%;height:100%;display:block}.custom-cursor{position:fixed;width:50px;height:50px;pointer-events:none;z-index:9999;transform:translate(-50%,-50%);background-image:url(../assets/crosshair.svg);background-size:contain;background-repeat:no-repeat;background-position:center;display:none}@media (min-width:769px) and (hover:hover) and (pointer:fine){#gameCanvas,.sound-button,body{cursor:none}}.instructions{position:absolute;bottom:20px;left:50%;transform:translate(-50%);background:#ffffffe6;padding:15px 25px;border-radius:15px;text-align:center;box-shadow:0 4px 15px #0003;animation:fadeInOut 8s ease-in-out infinite;pointer-events:none}.instructions p{margin:5px 0;color:#2c3e50;font-size:14px}@media (max-width:768px){.score-display{padding:10px 15px;font-size:18px}.sound-button{width:40px;height:40px;font-size:20px}.instructions{font-size:12px;padding:10px 15px}.instructions p{font-size:11px}.custom-cursor{display:none!important}#gameCanvas,body{cursor:auto}}.loading-screen{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;justify-content:center;align-items:center;z-index:10000}.loading-content{text-align:center}.loading-spinner{width:60px;height:60px;margin:0 auto 20px;border:6px solid rgba(255,255,255,.3);border-top:6px solid #fff;border-radius:50%;animation:spin 1s linear infinite}.loading-text{color:#fff;font-size:24px;font-weight:700;text-shadow:2px 2px 4px rgba(0,0,0,.3)}