@import url(https://fonts.googleapis.com/css2?family=Inter:wght@100;200;300;400;500;600;700;800;900&display=swap);.GameBoard_boardContainer__kXskE{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);display:inline-block;margin:0 auto;padding:var(--space-lg);position:relative;transition:all var(--transition-normal)}.GameBoard_boardContainer__kXskE:hover{border-color:var(--gray-600);box-shadow:var(--shadow-xl)}.GameBoard_gameBoard__SLxoj{grid-gap:1px;aspect-ratio:1/1;background:var(--surface-light);border-radius:var(--radius-md);display:grid;gap:1px;grid-template-columns:repeat(14,1fr);grid-template-rows:repeat(14,1fr);height:min(70vw,560px);overflow:hidden;transition:all var(--transition-normal);width:min(70vw,560px)}.GameBoard_coordinateLabels__qxi7h{align-items:center;color:var(--text-muted);display:flex;font-family:var(--font-family);font-size:var(--font-size-small);font-weight:var(--font-weight-small);justify-content:space-between;position:absolute;transition:color var(--transition-normal)}.GameBoard_coordinateLabelsTop__EV84l{height:16px;left:calc(var(--space-lg) + 21.4%);top:var(--space-xs);width:57.2%}.GameBoard_coordinateLabelsBottom__t47Yi{bottom:var(--space-xs);height:16px;left:calc(var(--space-lg) + 21.4%);width:57.2%}.GameBoard_coordinateLabelsLeft__rCkqH{left:var(--space-xs)}.GameBoard_coordinateLabelsLeft__rCkqH,.GameBoard_coordinateLabelsRight__q3CW5{flex-direction:column-reverse;height:57.2%;top:calc(var(--space-lg) + 21.4%);width:16px}.GameBoard_coordinateLabelsRight__q3CW5{right:var(--space-xs)}.GameBoard_coordinateLabel__-hQXF{flex:1 1;text-align:center}.GameBoard_coordinateLabelRank__PL84r{align-items:center;display:flex;flex:1 1}.GameBoard_screenReaderOnly__xrEda{height:1px;left:-10000px;overflow:hidden;position:absolute;width:1px}.GameBoard_square__m1ExS{align-items:center;aspect-ratio:1/1;background:var(--surface);border:none;border-radius:var(--radius-sm);box-sizing:border-box;cursor:pointer;display:flex;justify-content:center;position:relative;transition:all var(--transition-fast)}.GameBoard_square__m1ExS:hover{background:var(--surface-light);box-shadow:var(--shadow-sm);transform:scale(1.02)}.GameBoard_square__m1ExS:focus{outline:2px solid var(--gray-500);outline-offset:2px;position:relative;z-index:1}.GameBoard_squareInvalid__wou0q{background-color:initial;border:none;cursor:default}.GameBoard_squareInvalid__wou0q:hover{background:#0000;box-shadow:none;transform:none}.GameBoard_possibleMoveIndicator__9Bhun{animation:GameBoard_pulse__2ilEx 2s infinite;background:radial-gradient(circle,var(--gray-400) 0,var(--gray-500) 100%);border-radius:50%;box-shadow:0 0 12px #9ca3af4d;height:60%;position:absolute;width:60%}@keyframes GameBoard_pulse__2ilEx{0%,to{opacity:.7;transform:scale(1)}50%{opacity:1;transform:scale(1.1)}}@keyframes GameBoard_checkPulse__6yr1r{0%,to{background-color:var(--dark-600);box-shadow:0 0 20px #1f293780}50%{background-color:var(--dark-500);box-shadow:0 0 30px #374151b3}}@media (max-width:768px){.GameBoard_boardContainer__kXskE{border-radius:var(--radius-lg);padding:var(--space-md)}.GameBoard_gameBoard__SLxoj{height:min(90vw,400px);width:min(90vw,400px)}.GameBoard_coordinateLabels__qxi7h{font-size:10px}.GameBoard_coordinateLabelsBottom__t47Yi,.GameBoard_coordinateLabelsTop__EV84l{left:calc(var(--space-md) + 21.4%)}.GameBoard_coordinateLabelsLeft__rCkqH,.GameBoard_coordinateLabelsRight__q3CW5{top:calc(var(--space-md) + 21.4%)}}@media (min-width:769px) and (max-width:1024px){.GameBoard_gameBoard__SLxoj{height:min(65vw,500px);width:min(65vw,500px)}}@media (min-width:1025px) and (max-width:1440px){.GameBoard_gameBoard__SLxoj{height:min(60vw,600px);width:min(60vw,600px)}.GameBoard_coordinateLabels__qxi7h{font-size:12px}}@media (min-width:1441px){.GameBoard_gameBoard__SLxoj{height:min(55vw,700px);width:min(55vw,700px)}.GameBoard_coordinateLabels__qxi7h{font-size:13px}}:root{--font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-size-base:16px;--font-size-display:64px;--font-size-h1:48px;--font-size-h2:32px;--font-size-h3:24px;--font-size-body:16px;--font-size-small:14px;--font-weight-display:100;--font-weight-h1:200;--font-weight-h2:300;--font-weight-h3:400;--font-weight-body:300;--font-weight-small:400;--gray-300:#d1d5db;--gray-400:#9ca3af;--gray-500:#6b7280;--gray-600:#4b5563;--gray-700:#374151;--dark-300:#6b7280;--dark-400:#4b5563;--dark-500:#374151;--dark-600:#1f2937;--dark-700:#111827;--background:#0a0a0a;--surface:#141414;--surface-light:#222;--border:#333;--text-muted:#888;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--space-3xl:64px;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;--shadow-xl:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;--transition-fast:150ms ease-in-out;--transition-normal:250ms ease-in-out;--transition-slow:350ms ease-in-out}*{box-sizing:border-box}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#0a0a0a;background:var(--background);color:#d1d5db;color:var(--gray-300);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-family:var(--font-family);font-size:16px;font-size:var(--font-size-body);font-weight:300;font-weight:var(--font-weight-body);line-height:1.6;margin:0;min-height:100vh;transition:all .25s ease-in-out;transition:all var(--transition-normal)}.display{font-size:64px;font-size:var(--font-size-display);font-weight:100;font-weight:var(--font-weight-display);letter-spacing:-.04em;line-height:1.1}.h1,h1{color:#d1d5db;color:var(--gray-300);font-size:48px;font-size:var(--font-size-h1);font-weight:200;font-weight:var(--font-weight-h1);letter-spacing:-.03em;line-height:1.2;margin:0 0 24px;margin:0 0 var(--space-lg) 0}.h2,h2{font-size:32px;font-size:var(--font-size-h2);font-weight:300;font-weight:var(--font-weight-h2);letter-spacing:-.02em;line-height:1.3}.h2,.h3,h2,h3{color:#d1d5db;color:var(--gray-300);margin:0 0 16px;margin:0 0 var(--space-md) 0}.h3,h3{font-size:24px;font-size:var(--font-size-h3);font-weight:400;font-weight:var(--font-weight-h3);letter-spacing:-.01em;line-height:1.4}.body{color:#9ca3af;color:var(--gray-400);font-size:16px;font-size:var(--font-size-body);font-weight:300;font-weight:var(--font-weight-body);line-height:1.6}.small{color:#888;color:var(--text-muted);font-size:14px;font-size:var(--font-size-small);line-height:1.5}.btn,.small,button{font-weight:400;font-weight:var(--font-weight-small)}.btn,button{align-items:center;background:#141414;background:var(--surface);border:1px solid #333;border:1px solid var(--border);border-radius:8px;border-radius:var(--radius-md);color:#d1d5db;color:var(--gray-300);cursor:pointer;display:inline-flex;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-family:var(--font-family);font-size:16px;font-size:var(--font-size-body);gap:8px;gap:var(--space-sm);justify-content:center;min-height:44px;padding:16px 32px;padding:var(--space-md) var(--space-xl);text-decoration:none;transition:all .15s ease-in-out;transition:all var(--transition-fast)}.btn:hover,button:hover{background:#222;background:var(--surface-light);border-color:#4b5563;border-color:var(--gray-600);box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn:active,button:active{box-shadow:0 1px 2px 0 #0000000d;box-shadow:var(--shadow-sm);transform:translateY(0)}.btn:focus,button:focus{outline:2px solid #6b7280;outline:2px solid var(--gray-500);outline-offset:2px}.btn-primary{background:#4b5563;background:var(--gray-600);border-color:#6b7280;border-color:var(--gray-500);color:#d1d5db;color:var(--gray-300)}.btn-primary:hover{background:#6b7280;background:var(--gray-500);border-color:#9ca3af;border-color:var(--gray-400)}.btn-secondary{background:#1f2937;background:var(--dark-600);border-color:#374151;border-color:var(--dark-500);color:#9ca3af;color:var(--gray-400)}.btn-secondary:hover{background:#374151;background:var(--dark-500);border-color:#4b5563;border-color:var(--dark-400)}.btn-ghost{background:#0000;border-color:#0000;color:#9ca3af;color:var(--gray-400)}.btn-ghost:hover{border-color:#333;border-color:var(--border)}.btn-ghost:hover,.card{background:#141414;background:var(--surface)}.card{border:1px solid #333;border:1px solid var(--border);border-radius:12px;border-radius:var(--radius-lg);box-shadow:0 1px 2px 0 #0000000d;box-shadow:var(--shadow-sm);padding:24px;padding:var(--space-lg);transition:all .25s ease-in-out;transition:all var(--transition-normal)}.card:hover{border-color:#4b5563;border-color:var(--gray-600);box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;box-shadow:var(--shadow-md)}.card-header{border-bottom:1px solid #333;border-bottom:1px solid var(--border);margin-bottom:24px;margin-bottom:var(--space-lg);padding-bottom:16px;padding-bottom:var(--space-md)}.card-title{color:#d1d5db;color:var(--gray-300);font-size:24px;font-size:var(--font-size-h3);font-weight:400;font-weight:var(--font-weight-h3);margin:0}.card-content{color:#9ca3af;color:var(--gray-400);line-height:1.6}input,select,textarea{background:#141414;background:var(--surface);border:1px solid #333;border:1px solid var(--border);border-radius:8px;border-radius:var(--radius-md);color:#d1d5db;color:var(--gray-300);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-family:var(--font-family);font-size:16px;font-size:var(--font-size-body);padding:16px;padding:var(--space-md);transition:all .15s ease-in-out;transition:all var(--transition-fast);width:100%}input:focus,select:focus,textarea:focus{border-color:#6b7280;border-color:var(--gray-500);box-shadow:0 0 0 3px #6b72801a;outline:none}input::placeholder,textarea::placeholder{color:#888;color:var(--text-muted)}.nav{align-items:center;display:flex;gap:16px;gap:var(--space-md);padding:16px 0;padding:var(--space-md) 0}.nav-item{color:#9ca3af;color:var(--gray-400);font-weight:300;font-weight:var(--font-weight-body);text-decoration:none;transition:color .15s ease-in-out;transition:color var(--transition-fast)}.nav-item.active,.nav-item:hover{color:#d1d5db;color:var(--gray-300)}.nav-item.active{font-weight:400;font-weight:var(--font-weight-small)}.App{display:flex;flex-direction:column;min-height:100vh}:root{--breakpoint-sm:640px;--breakpoint-md:768px;--breakpoint-lg:1024px;--breakpoint-xl:1280px;--breakpoint-2xl:1536px}.game-board{user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}.square{background:#141414;background:var(--surface);border:1px solid #333;border:1px solid var(--border);transition:all .15s ease-in-out;transition:all var(--transition-fast)}.square:hover{background:#222;background:var(--surface-light);box-shadow:0 1px 2px 0 #0000000d;box-shadow:var(--shadow-sm);transform:translateY(-1px)}.square:focus{outline:2px solid #6b7280;outline:2px solid var(--gray-500);outline-offset:2px;position:relative;z-index:1}.square:focus-visible{outline:2px solid #6b7280;outline:2px solid var(--gray-500);outline-offset:2px}.square[aria-label*=selected]{background:#222;background:var(--surface-light);box-shadow:inset 0 0 0 3px #9ca3af;box-shadow:inset 0 0 0 3px var(--gray-400)}.piece{color:#d1d5db;color:var(--gray-300);transition:all .15s ease-in-out;transition:all var(--transition-fast)}.piece:hover{filter:brightness(1.1);transform:scale(1.05)}.piece.selected{animation:pulse 1s infinite}.piece:focus{outline:2px solid #6b7280;outline:2px solid var(--gray-500);outline-offset:2px;position:relative;z-index:2}.piece:focus-visible{outline:2px solid #6b7280;outline:2px solid var(--gray-500);outline-offset:2px}@media (prefers-contrast:high){.square{border:2px solid #d1d5db;border:2px solid var(--gray-300)}.piece{filter:contrast(1.2)}.btn,button{border-width:2px}}@media 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(max-width:640px){:root{--font-size-display:48px;--font-size-h1:36px;--font-size-h2:28px;--font-size-h3:20px;--space-lg:16px;--space-xl:24px;--space-2xl:32px}.App main{align-items:center;flex-direction:column;gap:24px;gap:var(--space-lg);padding:16px;padding:var(--space-md)}.game-board{max-height:95vw;max-width:95vw;padding:8px;padding:var(--space-sm)}.square{min-height:25px;min-width:25px}.piece{font-size:18px}.btn,button{font-size:16px;font-size:var(--font-size-body);min-height:48px;min-width:48px;padding:16px 24px;padding:var(--space-md) var(--space-lg)}.card{padding:16px;padding:var(--space-md)}}@media (min-width:641px) and (max-width:768px){.game-board{max-height:500px;max-width:500px}.square{min-height:35px;min-width:35px}.piece{font-size:20px}}@media (min-width:769px) and (max-width:1024px){.game-board{max-height:500px;max-width:500px}.square{min-height:35px;min-width:35px}.piece{font-size:20px}}@media (min-width:1025px) and (max-width:1440px){.game-board{max-height:600px;max-width:600px}.square{min-height:42px;min-width:42px}.piece{font-size:24px}}@media (min-width:1441px){.game-board{max-height:700px;max-width:700px}.square{min-height:50px;min-width:50px}.piece{font-size:28px}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:#141414;background:var(--surface)}::-webkit-scrollbar-thumb{background:#4b5563;background:var(--gray-600);border-radius:4px;border-radius:var(--radius-sm)}::-webkit-scrollbar-thumb:hover{background:#6b7280;background:var(--gray-500)}.sr-only{clip:rect(0,0,0,0);border:0;height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;white-space:nowrap;width:1px}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.flex{display:flex}.flex-col{flex-direction:column}.flex-row{flex-direction:row}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-xs{gap:4px;gap:var(--space-xs)}.gap-sm{gap:8px;gap:var(--space-sm)}.gap-md{gap:16px;gap:var(--space-md)}.gap-lg{gap:24px;gap:var(--space-lg)}.gap-xl{gap:32px;gap:var(--space-xl)}.p-xs{padding:4px;padding:var(--space-xs)}.p-sm{padding:8px;padding:var(--space-sm)}.p-md{padding:16px;padding:var(--space-md)}.p-lg{padding:24px;padding:var(--space-lg)}.p-xl{padding:32px;padding:var(--space-xl)}.m-xs{margin:4px;margin:var(--space-xs)}.m-sm{margin:8px;margin:var(--space-sm)}.m-md{margin:16px;margin:var(--space-md)}.m-lg{margin:24px;margin:var(--space-lg)}.m-xl{margin:32px;margin:var(--space-xl)}.App_app__kyRP7{background:var(--background);font-family:var(--font-family);line-height:1.6;min-height:100vh}.App_app__kyRP7,.App_header__UL4PY{display:flex;flex-direction:column;transition:all var(--transition-normal)}.App_header__UL4PY{background:var(--surface);border-bottom:1px solid var(--border);color:var(--gray-300);justify-content:center;margin-bottom:var(--space-lg);max-height:80px;padding:var(--space-md) var(--space-lg);text-align:center}.App_headerTitle__bXP5O{color:var(--gray-300);font-size:var(--font-size-h3);font-weight:var(--font-weight-h2);letter-spacing:-.02em;line-height:1.1;margin:0}.App_headerSubtitle__mVRut{color:var(--gray-400);font-size:var(--font-size-small);font-weight:var(--font-weight-body);line-height:1.2;margin:var(--space-xs) 0 0 0;opacity:.9}.App_gameHeader__VM5gC{align-items:center;display:flex;justify-content:space-between;margin:var(--space-lg);padding:0 var(--space-lg)}.App_gameTitle__a43YY{color:var(--gray-300);font-size:var(--font-size-h3);font-weight:var(--font-weight-h3);margin:0}.App_backButton__3eKtI{align-items:center;background:var(--surface-light);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--gray-300);cursor:pointer;display:inline-flex;font-family:var(--font-family);font-size:var(--font-size-small);font-weight:var(--font-weight-small);padding:var(--space-md) var(--space-xl);text-decoration:none;transition:all var(--transition-fast)}.App_backButton__3eKtI:hover{background:var(--surface);border-color:var(--gray-600);box-shadow:var(--shadow-md);transform:translateY(-1px)}.App_gameMain__LlL90{align-items:flex-start;display:flex;flex-wrap:wrap;gap:var(--space-2xl);justify-content:center;margin:0 auto;max-width:1400px;min-height:calc(100vh - 200px);padding:0 var(--space-lg)}.App_boardContainer__e2bU6{display:flex;flex:1 1;justify-content:center;margin:0;max-width:700px;min-width:400px}.App_sidebarContainer__\+rxXe{flex:0 0 320px;margin-left:var(--space-lg);margin-right:var(--space-lg);min-width:300px;padding:0 var(--space-md)}.App_footer__hTLqU{border-top:1px solid var(--border);color:var(--text-muted);font-size:var(--font-size-small);font-weight:var(--font-weight-small);margin-top:var(--space-2xl);padding:var(--space-lg);text-align:center;transition:color var(--transition-normal)}.App_footerText__GdfXV{margin:0}@media (max-width:768px){.App_header__UL4PY{margin-bottom:var(--space-lg);padding:var(--space-xl) var(--space-md)}.App_gameHeader__VM5gC{align-items:flex-start;flex-direction:column;gap:var(--space-md);margin:var(--space-md);padding:0 var(--space-md)}.App_gameMain__LlL90{align-items:center;flex-direction:column;gap:var(--space-lg);padding:var(--space-md)}.App_boardContainer__e2bU6{margin:0;max-width:none;width:100%}.App_sidebarContainer__\+rxXe{flex:none;margin:0;max-width:100%;padding:0;width:100%}.App_backButton__3eKtI{align-self:stretch;justify-content:center}}
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