*{margin:0;padding:0;box-sizing:border-box}body{font-family:Arial,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;justify-content:center;align-items:center;min-height:100vh;color:#fff}#game-container{position:relative;width:100%;max-width:800px;margin:20px}.screen{display:none;text-align:center}.screen.active{display:block}.coin-icon{font-size:1.2em}#menu{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:20px;padding:40px 30px;box-shadow:0 8px 32px #0000004d}#menu h1{font-size:2.5rem;margin-bottom:5px;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.by-madchad{font-size:1rem;color:#0f0;font-weight:700;margin-bottom:20px;text-shadow:0 0 10px rgba(0,255,0,.5);font-style:italic}#menu p:not(.by-madchad){font-size:1.1rem;margin-bottom:20px;opacity:.9}.stats-display{display:flex;justify-content:center;gap:30px;margin-bottom:20px;padding:15px;background:#0003;border-radius:10px}.stat-item{font-size:1.1rem;font-weight:700}.difficulty-buttons{display:flex;gap:15px;justify-content:center;flex-wrap:wrap;margin-bottom:20px}.difficulty-btn{padding:15px 35px;font-size:1.2rem;font-weight:700;border:none;border-radius:15px;cursor:pointer;transition:all .3s ease;text-transform:uppercase;letter-spacing:1px;box-shadow:0 4px 15px #0003}.difficulty-btn[data-difficulty=easy]{background:linear-gradient(135deg,#84fab0,#8fd3f4);color:#2c3e50}.difficulty-btn[data-difficulty=medium]{background:linear-gradient(135deg,#ffd89b,#19547b);color:#fff}.difficulty-btn[data-difficulty=hard]{background:linear-gradient(135deg,#f093fb,#f5576c);color:#fff}.difficulty-btn:hover{transform:translateY(-3px);box-shadow:0 6px 20px #0000004d}.shop-button{padding:15px 40px;font-size:1.3rem;font-weight:700;background:linear-gradient(135deg,#f093fb,#f5576c);color:#fff;border:none;border-radius:15px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #0003}.shop-button:hover{transform:translateY(-3px);box-shadow:0 6px 20px #0000004d}#shop{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:20px;padding:30px;box-shadow:0 8px 32px #0000004d;max-height:90vh;overflow-y:auto}#shop h1{font-size:2.5rem;margin-bottom:20px;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.shop-balance{font-size:1.5rem;font-weight:700;margin-bottom:30px;padding:15px;background:#0000004d;border-radius:10px;display:inline-block}.shop-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:30px}.shop-item{background:#ffffff1a;border-radius:15px;padding:20px;transition:all .3s ease;border:2px solid transparent}.shop-item:hover{transform:translateY(-5px);border-color:#ffffff4d}.shop-item.owned{border-color:#0f0;background:#00ff001a}.item-icon{font-size:3rem;margin-bottom:10px}.shop-item h3{font-size:1.3rem;margin-bottom:10px}.shop-item p{font-size:.9rem;opacity:.8;margin-bottom:15px;min-height:40px}.grenade-count{font-weight:700;color:gold}.item-price{font-size:1.2rem;font-weight:700;margin-bottom:15px;color:gold}.buy-btn{padding:10px 25px;font-size:1rem;font-weight:700;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:10px;cursor:pointer;transition:all .3s ease;width:100%}.buy-btn:hover:not(:disabled){transform:scale(1.05)}.buy-btn:disabled{opacity:.5;cursor:not-allowed}.buy-btn.owned{background:#0f0;color:#000}.back-button{padding:15px 40px;font-size:1.2rem;font-weight:700;background:#fff3;color:#fff;border:none;border-radius:15px;cursor:pointer;transition:all .3s ease}.back-button:hover{background:#ffffff4d}#game{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:20px;padding:15px;box-shadow:0 8px 32px #0000004d}#hud{display:flex;justify-content:space-around;flex-wrap:wrap;margin-bottom:15px;background:#0000004d;padding:12px;border-radius:10px;gap:10px}.hud-item{font-size:1rem;font-weight:700}.hud-label{opacity:.8;margin-right:8px}#score,#timer,#game-coins,#current-gun{color:gold;text-shadow:0 0 10px rgba(255,215,0,.5)}.grenade-button{padding:8px 15px;font-size:1rem;font-weight:700;background:linear-gradient(135deg,#ff6b6b,#ee5a6f);color:#fff;border:none;border-radius:8px;cursor:pointer;transition:all .3s ease}.grenade-button:hover:not(:disabled){transform:scale(1.1);box-shadow:0 0 20px #ff6b6b80}.grenade-button:disabled{opacity:.5;cursor:not-allowed}#gameCanvas{display:block;width:100%;background:linear-gradient(180deg,#87ceeb,#98d8c8);border-radius:10px;cursor:crosshair;border:3px solid rgba(255,255,255,.3)}#game-over{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:20px;padding:40px 30px;box-shadow:0 8px 32px #0000004d}#game-over h1{font-size:2.5rem;margin-bottom:25px;text-shadow:2px 2px 4px rgba(0,0,0,.3)}#final-score-container{margin-bottom:30px}#final-score-container p{font-size:1.1rem;opacity:.9}#final-score{font-size:3.5rem;color:gold;text-shadow:0 0 20px rgba(255,215,0,.5);margin:10px 0}.coins-earned{font-size:1.5rem;font-weight:700;color:gold;margin-top:20px}#play-again{padding:15px 40px;font-size:1.2rem;font-weight:700;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:15px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #0003}#play-again:hover{transform:translateY(-3px);box-shadow:0 6px 20px #0000004d}