body{margin:0;font-family:Arial,Helvetica,sans-serif}.k-tabstrip{text-align:center}.k-tabstrip>.k-tabstrip-items{display:flex;flex-direction:row;justify-content:center;gap:10px}.k-tabstrip-items .k-item{padding:10px 20px;font-size:1.1rem;font-weight:500;border-radius:8px;background:#ffffff1a;color:#fff;transition:background .3s ease}.k-tabstrip-items .k-item:hover{color:#ff6358}.k-active .k-link{cursor:default}.k-tabstrip-items .k-item.k-state-active{background:#ffffff4d;color:#fff}.custom-notification{background:#fffffff2;border:1px solid rgba(0,0,0,.1);border-radius:12px;box-shadow:0 10px 30px #0000004d;min-width:300px;padding:10px 20px}.custom-notification .k-notification-content{font-weight:500;color:#374151}.custom-dropdown{width:150px;background:#fffffff2;border-radius:8px;border:1px solid rgba(0,0,0,.1);padding:5px}.custom-dropdown .k-dropdown-wrap{background:transparent;color:#374151;font-weight:500}.app-container{display:flex;flex-direction:column;align-items:center;width:100%;box-sizing:border-box;min-height:100vh;background:linear-gradient(135deg,#1e293b,#334155,#475569);padding:20px;color:#fff}.game-board-container{display:flex;justify-content:center;align-items:center;padding:20px;box-sizing:border-box}