@keyframes chessFadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes chessSlideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes chessPulseGlow{0%,to{box-shadow:0 0 5px #8b5cf64d}50%{box-shadow:0 0 20px #8b5cf699}}@keyframes chessThinking{0%,to{opacity:.4}50%{opacity:1}}@keyframes chessScaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes chessSpin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.chess-animate-fade-in{animation:.4s ease-out forwards chessFadeIn}.chess-animate-slide-up{animation:.5s ease-out forwards chessSlideUp}.chess-animate-pulse-glow{animation:2s ease-in-out infinite chessPulseGlow}.chess-animate-thinking{animation:1.5s ease-in-out infinite chessThinking}.chess-animate-scale-in{animation:.3s ease-out forwards chessScaleIn}.chess-animate-spin-slow{animation:3s linear infinite chessSpin}.chess-board-wrapper{border-radius:8px;overflow:hidden;box-shadow:0 0 0 2px #8b5cf633,0 20px 60px #00000080}.chess-glass{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#1e293bcc;border:1px solid #8b5cf626}.chess-gradient-text{background:linear-gradient(135deg,#8b5cf6,#06b6d4);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.chess-bg{color:#e2e8f0;background-color:#0f172a;background-image:linear-gradient(45deg,#8b5cf608 25%,#0000 25%),linear-gradient(-45deg,#8b5cf608 25%,#0000 25%),linear-gradient(45deg,#0000 75%,#8b5cf608 75%),linear-gradient(-45deg,#0000 75%,#8b5cf608 75%);background-position:0 0,0 20px,20px -20px,-20px 0;background-size:40px 40px}.chess-btn-primary{background:linear-gradient(135deg,#8b5cf6,#7c3aed);transition:all .2s}.chess-btn-primary:hover{background:linear-gradient(135deg,#7c3aed,#6d28d9);transform:translateY(-1px);box-shadow:0 4px 15px #8b5cf666}.chess-btn-primary:active{transform:translateY(0)}