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.gameCard__cta:hover{box-shadow:var(--shadow-glow-x);transform:translateY(-1px)}.gameCard--chess .gameCard__cta{background:linear-gradient(135deg,var(--accent-chess) 0%,#6366f1 100%);color:var(--btn-primary-text)}.gameCard--chess .gameCard__cta:hover{box-shadow:var(--accent-chess-glow);transform:translateY(-1px)}@media(max-width:768px){.gameHub{padding:32px 0;gap:28px}.gameHub__title{font-size:1.6rem}.gameHub__grid{grid-template-columns:1fr;gap:18px;max-width:420px}.gameCard{padding:28px 24px 24px;flex-direction:row;align-items:flex-start;gap:20px;text-align:left}.gameCard__body{align-items:flex-start;text-align:left}.gameCard__desc{max-width:none}.gameCard__icon{width:56px;height:56px;font-size:28px;flex-shrink:0}.gameCard__xoMark{font-size:20px}}@media(max-width:480px){.gameHub{padding:24px 0;gap:20px}.gameHub__title{font-size:1.35rem}.gameHub__grid{max-width:100%}.gameCard{padding:22px 18px 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button.multiPlayer:hover:not(:disabled){box-shadow:var(--shadow-glow-x)}.btnBottomForm button.onlinePlayer{background:linear-gradient(135deg,#4ade80,#22d3ee);border-color:transparent;color:var(--btn-primary-text)}.btnBottomForm button.onlinePlayer:hover:not(:disabled){box-shadow:0 0 18px #4ade8066}@media(max-width:768px){.inputSizeForm{margin:24px auto;padding:28px 20px;gap:14px}.btnBottomForm{flex-direction:column;gap:10px}.btnBottomForm button{padding:12px 14px;font-size:14px}}@media(max-width:480px){.inputSizeForm{margin:16px auto;padding:22px 16px}.inputSizeForm input{font-size:16px;padding:12px 14px}.difficultyGroup{width:100%;justify-content:center}.difficultyChip{flex:1;text-align:center;padding:8px 12px}}.chessHomeWrap{max-width:520px;margin:48px auto;padding:40px 32px;display:flex;flex-direction:column;align-items:stretch;gap:20px;background:var(--bg-glass);border:1px solid var(--border-soft);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);position:relative;overflow:hidden}.chessHomeWrap:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--accent-chess),var(--accent-x),transparent);opacity:.8}.chessHomeTitle{text-align:center;font-family:var(--font-mono);font-size:22px;font-weight:700;letter-spacing:.02em;color:var(--text-primary)}.chessHomePiece{font-size:2rem;margin-right:8px}.chessHomeSubtitle{text-align:center;font-family:var(--font-mono);font-size:12px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.1em;margin-top:-8px}.chessHomeDivider{height:1px;background:var(--border-soft)}.chessHomeModeLabel{font-family:var(--font-mono);font-size:13px;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em}.chessModeBtns{display:flex;gap:12px;margin-top:4px}.chessModeBtns button{flex:1;justify-content:center;padding:14px 18px;font-size:15px;font-weight:600;border-radius:var(--radius-md)}.chessModeBtns .singlePlayer{background:linear-gradient(135deg,var(--accent-chess) 0%,#6366f1 100%);border-color:transparent;color:var(--btn-primary-text)}.chessModeBtns .singlePlayer:hover:not(:disabled){box-shadow:0 0 18px var(--accent-chess-glow);transform:translateY(-2px)}.chessModeBtns .multiPlayer{background:var(--btn-primary-bg);border-color:transparent;color:var(--btn-primary-text)}.chessModeBtns .multiPlayer:hover:not(:disabled){box-shadow:var(--shadow-glow-x);transform:translateY(-2px)}.chessHomeBack{display:flex;justify-content:center;margin-top:4px}.chessHomeBack a,.chessHomeBack button{font-family:var(--font-mono);font-size:13px;color:var(--text-dim);background:transparent;border:none;cursor:pointer;padding:4px 8px;text-decoration:none;transition:color .15s ease}.chessHomeBack a:hover,.chessHomeBack button:hover{color:var(--text-muted);transform:none;box-shadow:none;border-color:transparent}@media(max-width:768px){.chessHomeWrap{margin:24px auto;padding:28px 20px;gap:16px}.chessModeBtns{flex-direction:column;gap:10px}.chessModeBtns button{padding:12px 14px;font-size:14px}}@media(max-width:480px){.chessHomeWrap{margin:16px auto;padding:22px 16px}.chessHomeTitle{font-size:18px}}:root{--accent-chess-light: #d4c9a8;--accent-chess-dark: #7a6242;--accent-chess-light-hover: #e8dfc0;--accent-chess-dark-hover: #8c7250;--sq-size: clamp(40px, 9vw, 64px)}.chessBoardWrap{display:flex;flex-direction:column;align-items:center;gap:12px}.chessBoardOuter{display:flex;align-items:center;gap:4px}.rankLabels{display:flex;flex-direction:column;gap:0}.rankLabel{width:18px;height:var(--sq-size);display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:11px;color:var(--text-dim);-webkit-user-select:none;user-select:none}.fileLabels{display:flex;margin-left:22px}.fileLabel{width:var(--sq-size);text-align:center;font-family:var(--font-mono);font-size:11px;color:var(--text-dim);-webkit-user-select:none;user-select:none}.chessBoard{display:grid;grid-template-columns:repeat(8,var(--sq-size));grid-template-rows:repeat(8,var(--sq-size));border:2px solid var(--border-strong);border-radius:var(--radius-sm);overflow:hidden;box-shadow:var(--shadow-soft),0 0 0 1px #a855f726;cursor:pointer}.chessSquare{width:var(--sq-size);height:var(--sq-size);display:flex;align-items:center;justify-content:center;position:relative;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent;transition:filter .1s ease}.chessSquare.light{background:var(--accent-chess-light)}.chessSquare.dark{background:var(--accent-chess-dark)}.chessSquare:hover{filter:brightness(1.12)}.chessSquare.selected{outline:3px solid var(--accent-x);outline-offset:-3px;z-index:1}.chessSquare.legalMove:after{content:"";position:absolute;width:30%;height:30%;border-radius:50%;background:#4ade80bf;pointer-events:none}.chessSquare.captureTarget:after{content:"";position:absolute;inset:4px;border-radius:50%;border:3px solid rgba(248,113,113,.85);pointer-events:none}.chessSquare.inCheck{background:#f8717173!important;animation:checkPulse 1s ease-in-out infinite alternate}@keyframes checkPulse{0%{background:#f8717159}to{background:#f87171a6}}.chessPiece{font-size:clamp(22px,5.5vw,42px);line-height:1;display:flex;align-items:center;justify-content:center;width:100%;height:100%;pointer-events:none;transition:transform .1s ease}.chessPiece.white{color:#fff8f0;text-shadow:0 0 2px #333,1px 1px 0 #444,-1px -1px 0 #444,1px -1px 0 #444,-1px 1px 0 #444;filter:drop-shadow(0 1px 3px rgba(0,0,0,.6))}.chessPiece.black{color:#1a1008;text-shadow:0 0 2px rgba(255,255,255,.5),1px 1px 0 rgba(200,180,120,.5),-1px -1px 0 rgba(200,180,120,.5);filter:drop-shadow(0 1px 3px rgba(0,0,0,.4))}.chessSquare.selected .chessPiece{transform:scale(1.1)}.chessTurnBar{display:flex;align-items:center;gap:10px;padding:10px 18px;background:var(--bg-elev-1);border:1px solid var(--border-soft);border-radius:var(--radius-md);font-family:var(--font-mono);font-size:14px;color:var(--text-muted)}.chessTurnDot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.chessTurnDot.white{background:#fff8f0;box-shadow:0 0 6px #fff9}.chessTurnDot.black{background:#2a1f0e;border:1px solid rgba(255,255,255,.2)}.chessStatus{padding:6px 14px;border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:13px;font-weight:600}.chessStatus.check{background:#fbbf2426;color:var(--accent-warn);border:1px solid rgba(251,191,36,.3)}.chessStatus.checkmate{background:#f8717126;color:var(--accent-danger);border:1px solid rgba(248,113,113,.3)}.chessStatus.stalemate,.chessStatus.draw{background:#94a3b81a;color:var(--text-muted);border:1px solid var(--border-soft)}.chessBoardActions{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.chessMoveHistory{max-width:320px;width:100%;max-height:200px;overflow-y:auto;background:var(--bg-elev-1);border:1px solid 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