.game-container{display:grid;justify-content:center}.grid-container{display:grid;grid-template-columns:repeat(5,60px) 130px;gap:5px;margin-bottom:10px}.cell{width:60px;height:60px;background:linear-gradient(145deg,#2d5016,#4a7c59);border:2px solid #1a3a0f;border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden}.cell::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(145deg,#ffffff1a,transparent);border-radius:6px}.cell:hover{transform:translateY(-2px);box-shadow:0 5px 15px #0000004d;background:linear-gradient(145deg,#3d6026,#5a8c69)}.cell.revealed{background:linear-gradient(145deg,#f0f0f0,#d0d0d0);color:#333;border-color:#ccc}.cell.voltorb{background:linear-gradient(145deg,#dc3545,#a71e2a);border-color:#8b0000}.cell.safe{background:linear-gradient(145deg,#28a745,#1e7e34);border-color:#155724}.cell.unsafe{background:linear-gradient(145deg,#ffc107,#d39e00);border-color:#b8860b}.cell-content{font-size:1.5rem;font-weight:700;z-index:2}.hint-container{display:flex;align-items:center;background:#0000004d;border-radius:10px;padding:8px;gap:10px}.hint-bottom{flex-direction:column}.hint-input{width:40px;height:40px;border:none;border-radius:5px;text-align:center;font-size:1.2rem;font-weight:700;color:#333}.input0{background-color:#FFC0C0}.input1{background-color:#C0FFC0}.input2{background-color:#FFFFC0}.input3{background-color:#C0C0FF}.input4{background-color:#FFC0FF}.voltorb-icon{width:30px;height:30px}.controls{display:flex;gap:15px;justify-content:center;flex-wrap:wrap}.btn{padding:12px 24px;border:none;border-radius:10px;font-size:1rem;font-weight:700;cursor:pointer;transition:all .3s ease;text-transform:uppercase;letter-spacing:.5px}.btn-primary{background:linear-gradient(45deg,#007bff,#0056b3);color:#fff}.btn-primary:hover{background:linear-gradient(45deg,#0056b3,#004085);transform:translateY(-2px);box-shadow:0 5px 15px #007bff66}.btn-secondary{background:linear-gradient(45deg,#6c757d,#495057);color:#fff}.btn-secondary:hover{background:linear-gradient(45deg,#495057,#343a40);transform:translateY(-2px);box-shadow:0 5px 15px #6c757d66}.btn-success{background:linear-gradient(45deg,#28a745,#1e7e34);color:#fff}.btn-success:hover{background:linear-gradient(45deg,#1e7e34,#155724);transform:translateY(-2px);box-shadow:0 5px 15px #28a74566}