*{margin:0;padding:0;box-sizing:border-box}body{overflow:hidden;background:#000;font-family:Segoe UI,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#game-container{position:relative;width:100vw;height:100vh}#game-canvas{display:block;width:100%;height:100%}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInScale{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.02)}}@keyframes glow{0%,to{box-shadow:0 0 5px currentColor}50%{box-shadow:0 0 20px currentColor,0 0 30px currentColor}}@keyframes shimmer{0%{background-position:-200% center}to{background-position:200% center}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes ripple{0%{transform:scale(0);opacity:.6}to{transform:scale(4);opacity:0}}@keyframes slideInRight{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-30px)}to{opacity:1;transform:translate(0)}}@keyframes numberPop{0%{transform:scale(1)}50%{transform:scale(1.3)}to{transform:scale(1)}}#hud{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;display:none}#health-bar{position:absolute;bottom:30px;left:30px;width:200px;height:25px;background:#0009;border:2px solid rgba(255,255,255,.3);border-radius:12px;overflow:hidden;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}#health-fill{width:100%;height:100%;background:linear-gradient(90deg,#f44,#f66);transition:width .3s ease-out;box-shadow:0 0 10px #ff444480}#health-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-weight:700;text-shadow:1px 1px 2px #000,0 0 10px rgba(0,0,0,.5)}#score{position:absolute;top:30px;right:30px;color:#fff;font-size:24px;font-weight:700;text-shadow:2px 2px 4px #000;animation:fadeInUp .3s ease-out}#crosshair{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-size:30px;font-weight:700;text-shadow:0 0 5px #000;opacity:.8}#menu,#game-over,#victory{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;background:#000000d9;color:#fff;animation:fadeIn .3s ease-out}#menu h1,#game-over h1,#victory h1{font-size:48px;margin-bottom:30px;text-shadow:0 0 20px rgba(255,255,255,.5);animation:fadeInScale .5s ease-out}#menu button,#game-over button,#victory button{padding:15px 40px;font-size:20px;background:linear-gradient(135deg,#4caf50,#388e3c);color:#fff;border:none;border-radius:8px;cursor:pointer;transition:all .25s ease;box-shadow:0 4px 15px #4caf504d;position:relative;overflow:hidden}#menu button:before,#game-over button:before,#victory button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s ease}#menu button:hover:before,#game-over button:hover:before,#victory button:hover:before{left:100%}#menu button:hover,#game-over button:hover,#victory button:hover{background:linear-gradient(135deg,#66bb6a,#4caf50);transform:translateY(-3px);box-shadow:0 8px 25px #4caf5066}#menu button:active,#game-over button:active,#victory button:active{transform:translateY(-1px);box-shadow:0 4px 15px #4caf504d}.hint{margin-top:20px;color:#aaa;font-size:14px;animation:fadeIn .5s ease-out .3s both}#game-over p,#victory p{font-size:24px;margin-bottom:20px;animation:fadeInUp .4s ease-out}.hidden{display:none!important}.btn-primary{background:linear-gradient(135deg,#4caf50,#388e3c);color:#fff;border:none;border-radius:8px;padding:12px 24px;font-size:16px;cursor:pointer;transition:all .25s ease;box-shadow:0 4px 15px #4caf504d;position:relative;overflow:hidden}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #4caf5066}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:linear-gradient(135deg,#2196f3,#1976d2);color:#fff;border:none;border-radius:8px;padding:12px 24px;font-size:16px;cursor:pointer;transition:all .25s ease;box-shadow:0 4px 15px #2196f34d}.btn-secondary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #2196f366}.btn-danger{background:linear-gradient(135deg,#f44336,#d32f2f);color:#fff;border:none;border-radius:8px;padding:12px 24px;font-size:16px;cursor:pointer;transition:all .25s ease;box-shadow:0 4px 15px #f443364d}.btn-danger:hover{transform:translateY(-2px);box-shadow:0 6px 20px #f4433666}.card{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:20px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all .3s ease}.card:hover{transform:translateY(-5px);box-shadow:0 10px 30px #0000004d;border-color:#fff3}.input-field{width:100%;padding:12px 16px;font-size:16px;border:2px solid rgba(255,255,255,.2);border-radius:8px;background:#ffffff1a;color:#fff;outline:none;transition:all .25s ease}.input-field:focus{border-color:#4caf50;box-shadow:0 0 0 3px #4caf5033}.input-field::placeholder{color:#ffffff80}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#0000004d;border-radius:4px}::-webkit-scrollbar-thumb{background:#ffffff4d;border-radius:4px;transition:background .2s}::-webkit-scrollbar-thumb:hover{background:#ffffff80}::selection{background:#4caf5080;color:#fff}.loading-spinner{width:40px;height:40px;border:3px solid rgba(255,255,255,.2);border-top-color:#4caf50;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.tooltip{position:relative}.tooltip:after{content:attr(data-tooltip);position:absolute;bottom:100%;left:50%;transform:translate(-50%) translateY(-5px);padding:8px 12px;background:#000000e6;color:#fff;font-size:12px;border-radius:6px;white-space:nowrap;opacity:0;visibility:hidden;transition:all .2s ease;pointer-events:none}.tooltip:hover:after{opacity:1;visibility:visible;transform:translate(-50%) translateY(-10px)}.damage-number{position:absolute;font-weight:700;text-shadow:2px 2px 4px rgba(0,0,0,.8);animation:damageFloat 1s ease-out forwards;pointer-events:none}@keyframes damageFloat{0%{opacity:1;transform:translateY(0) scale(1)}50%{opacity:1;transform:translateY(-30px) scale(1.2)}to{opacity:0;transform:translateY(-60px) scale(.8)}}.kill-notification{position:fixed;top:20%;left:50%;transform:translate(-50%);padding:10px 30px;background:linear-gradient(135deg,#f44336e6,#d32f2fe6);color:#fff;font-size:24px;font-weight:700;border-radius:8px;animation:killNotify 2s ease-out forwards;z-index:1000}@keyframes killNotify{0%{opacity:0;transform:translate(-50%) scale(.5)}20%{opacity:1;transform:translate(-50%) scale(1.1)}30%{transform:translate(-50%) scale(1)}80%{opacity:1}to{opacity:0;transform:translate(-50%) translateY(-20px)}}.damage-overlay{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;background:radial-gradient(ellipse at center,transparent 50%,rgba(255,0,0,.3) 100%);opacity:0;animation:damageFlash .3s ease-out;z-index:99}@keyframes damageFlash{0%{opacity:.8}to{opacity:0}}