.menu-container{flex-direction:column;justify-content:center;align-items:center;height:100vh;transition:opacity .5s ease-out;display:flex}.menu-container.menu-hidden{opacity:0;display:none}.panel-container{text-align:center;background-color:#fffffff2;border-radius:16px;width:50%;max-width:350px;padding:40px;box-shadow:0 20px 40px #0003}.game-title{color:#333;letter-spacing:1px;margin-bottom:30px;font-size:2.5rem}.game-menu{flex-direction:column;gap:15px;display:flex}.menu-btn{color:#fff;cursor:pointer;background-color:#667eea;border:none;border-radius:8px;padding:15px 30px;font-size:1.2rem;transition:all .3s}.menu-btn:hover{background-color:#764ba2;transform:translateY(-2px)}.menu-btn:active{opacity:.9;transform:translateY(0)}.level-menu{flex-direction:column;gap:12px;font-size:20px;display:flex}.level-btn{color:#fff;cursor:pointer;background-color:#4caf50;border:none;border-radius:8px;padding:14px 25px;font-size:1.1rem;transition:background-color .3s,transform .2s}.level-btn:hover{background-color:#45a049;transform:translateY(-2px)}.level-btn:active{transform:translateY(0)}.back-link{color:#f44336;text-align:center;border-radius:8px;margin-top:20px;padding:12px;font-size:1.1rem;text-decoration:none;transition:color .3s,transform .2s;display:inline-block}.back-link:hover{color:#d32f2f;background-color:#ffecee;transform:scale(1.05)}.back-link img:hover{opacity:.9;filter:brightness(90%)}.back-link:hover{color:#d32f2f;text-decoration:underline}.back-btn{margin-top:20px;background-color:#f44336!important}.back-btn:hover{background-color:#d32f2f!important}#myForm{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffffff2;border-radius:20px;width:100%;max-width:500px;padding:10px;transition:transform .3s;box-shadow:0 20px 40px #0000001a}.text1{color:#333;text-align:center;margin-bottom:30px;font-size:1.5rem;font-weight:600}.input-group{flex-direction:column;gap:10px;width:100%;max-width:350px;margin-bottom:10px;display:flex}.input-group label{color:#555;margin-left:4px;font-size:1rem;font-weight:500}.container-panel{flex-direction:column;align-items:center;gap:10px;margin-bottom:10px;display:flex}.labelClass1,.labelClass2{justify-content:space-between;align-items:center;width:60%;display:flex}.length-Matrix-text{color:#555;white-space:nowrap;flex:2 1 0;font-size:.9rem;font-weight:500}.panel-Matrix{text-align:center;background-color:#f8f9fa;border:2px solid #e1e5ee;border-radius:12px;flex:1 1 0;width:100%;max-width:none;padding:12px 16px;font-size:1rem;transition:all .3s}.panel-Matrix:focus{background-color:#fff;border-color:#667eea;outline:none;box-shadow:0 0 0 3px #667eea33}.panel-Matrix::placeholder{color:#aaa}#Panel{text-align:center}.buttonSubmit{color:#fff;cursor:pointer;background:linear-gradient(45deg,#667eea,#764ba2);border:none;border-radius:50px;width:70%;margin-bottom:20px;padding:16px 40px;font-size:1.1rem;font-weight:600;transition:all .3s;box-shadow:0 4px 15px #667eea66}.buttonSubmit:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea99}.buttonSubmit:active{transform:translateY(0)}@media (max-width:600px){.menu-container{padding:30px 40px}.game-title{font-size:2rem}.menu-btn,.level-btn{padding:12px 20px;font-size:1rem}}*{box-sizing:border-box;margin:0;padding:0}body{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);width:100%;min-height:100vh;font-family:Arial,sans-serif;font-size:40px}[class^=box-]{background-color:#87ceeb;border:1px solid #000;place-items:center;display:grid}.div-container{flex-direction:column;justify-content:center;align-items:center;height:80vh;display:none}.div-container.div-container-visible{display:flex}.container{grid-auto-rows:1fr;grid-auto-columns:1fr;place-content:center;width:450px;height:450px;font-size:40px;display:grid}[data-emptyСell=false]{background-color:#659120}.blackEmptyCage{background-color:#000}.hidden,.icon-Menu{display:none}.icon-Menu.icon-hidden{text-align:center;width:auto;height:auto;display:block}#modal{z-index:1000;background:#000000e6;width:100%;height:100%;position:absolute;top:0;left:0}#modal-window{text-align:center;z-index:1001;background-color:#f8f6f6;width:50%;margin:0 auto;padding:5px 20px 20px;position:relative;top:30%;box-shadow:2px 2px 4px #00000080}button{opacity:.7;background-color:#fff;border:1px solid #d3d3d3;border-radius:15px;min-width:100px;padding:15px;font-size:20pt}.modal-content{color:#333;margin:20px 0;font-size:18px;line-height:1.8}.container-сountdown-progress{justify-content:center;align-items:center;font-size:38px;display:flex}.couter-Game{margin-right:20px}.container-blink-none{display:none}.container-blink-none.container-blink-block{display:block}.blink-playingGame{animation:1.5s ease-in-out infinite smooth-blink}@keyframes smooth-blink{0%{opacity:1}40%{opacity:.3}60%{opacity:.3}to{opacity:1}}.btn-stop-recording{color:#fff;cursor:pointer;background-color:#e53935;border:none;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:16px;font-weight:600;transition:all .2s;display:inline-flex;box-shadow:0 2px 4px #e539354d}.btn-stop-recording:hover{background-color:#c62828;transform:translateY(-1px);box-shadow:0 4px 8px #e5393566}.btn-stop-recording:active{transform:translateY(0);box-shadow:0 1px 2px #e5393580}.btn-pause-recording{color:#fff;cursor:pointer;background-color:#424242;border:none;border-radius:8px;justify-content:center;align-items:center;gap:8px;margin-left:5px;padding:12px 24px;font-size:16px;font-weight:600;transition:all .2s;display:inline-flex;box-shadow:0 2px 4px #4242424d}.btn-pause-recording:hover{background-color:#212121;transform:translateY(-1px);box-shadow:0 4px 8px #42424266}.btn-pause-recording:active{transform:translateY(0);box-shadow:0 1px 2px #42424280}.reset{text-align:center;color:#fff;cursor:pointer;letter-spacing:.5px;background:linear-gradient(145deg,#658597 0%,#4a6b7b 100%);border:none;border-radius:50px;height:60px;margin:0 auto;padding:0 30px;font-size:18px;font-weight:500;line-height:60px;transition:all .3s;box-shadow:0 4px 6px #0000001a,inset 0 -3px 5px #0003}.reset:hover{transform:translateY(-2px);box-shadow:0 8px 12px #00000026,inset 0 -4px 6px #00000040}.reset:active{transform:translateY(0);box-shadow:0 2px 4px #0000001a,inset 0 -2px 3px #0003}.reset-victory{text-align:center;cursor:pointer;background-color:#207e18;border:none;height:65px;margin:0 auto;font-size:36px;box-shadow:1px 1px 7px 1px #45664ca6}.panel{margin-top:20px;display:flex}.arrow-diag{cursor:pointer;border-top:8px solid #0097fc;border-left:8px solid #0097fc;width:40px;height:40px;margin:8px;transition:transform .2s,opacity .2s}.left{transform:rotate(-45deg)}.right{transform:rotate(135deg)}.arrow-diag:hover{opacity:.9;border-top:8px solid #006ab1;border-left:8px solid #006ab1}.arrow-btn:focus{outline-offset:2px;outline:2px solid #007bff}.pause-btn{color:#7fff00;cursor:pointer;background:0 0;border:8px solid #667eea;border-radius:50%;justify-content:center;align-items:center;gap:6px;width:40px;height:80px;margin-left:10px;margin-right:10px;font-size:40px;transition:background-color .3s;display:flex}.pause-btn.pause-btn-colorRed{color:red}.pause-btn:hover{background-color:#667eea}.pause-btn:before,.pause-btn:after{content:"";background-color:#667eea;border-radius:2px;width:4px;height:20px;transition:background-color .3s}.pause-btn:hover:before,.pause-btn:hover:after{background-color:#fff}