@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap";
:root{--board-light:#eeeed2;--board-dark:#769656;--bg:#302e2b;--panel:#262421;--panel2:#2f2c29;--text:#e9e7e2;--muted:#9b978f;--accent:#7fa650;--accent2:#b6d16b;--last-move:#ffd63d80;--check-color:#ff28286b;--accent-gold:#8bc34a;--accent-gold-light:#aed581;--accent-red:#e74c3c;--accent-blue:#3498db;--bg-card:#262421f2;--bg-glass:#2f2c29d9;--bg-input:#3a3835;--border-color:#4a4744;--border-subtle:#ffffff0f;--shadow-board:0 18px 40px #00000073, 0 2px 0 #ffffff08 inset;--shadow-card:0 8px 24px #00000059;--shadow-btn:0 2px 0 #5e7d38;--radius-sm:7px;--radius-md:9px;--radius-lg:12px;--radius-round:50%;--font-primary:"Inter", "Segoe UI", system-ui, Roboto, Helvetica, Arial, sans-serif;--font-mono:"JetBrains Mono", monospace;--nav-height:60px;--max-width:480px;--sq:calc(min(100vw - 32px, var(--max-width) - 32px) / 8);--board-size:calc(var(--sq) * 8)}@media (min-width:500px){:root{--sq:calc(min(100vw - 48px, var(--max-width) - 48px) / 8)}}@media (min-width:600px){:root{--sq:calc(min(100vw - 64px, var(--max-width) - 64px) / 8)}}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;height:100%}body{font:15px/1.4 var(--font-primary);background:radial-gradient(1200px 800px at 30% -10%, #3a3835, var(--bg));color:var(--text);min-height:100dvh;overflow-x:hidden}a{color:var(--accent2);text-decoration:none}img{max-width:100%;display:block}button{font:inherit;cursor:pointer;color:inherit;background:0 0;border:none}input,select,textarea{font:inherit;color:var(--text);background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:10px 12px;transition:border-color .15s}input:focus,select:focus,textarea:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 2px #7fa65033}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#4a4744;border-radius:4px}.app-container{max-width:var(--max-width);min-height:100dvh;padding-bottom:calc(var(--nav-height) + 12px);margin:0 auto;position:relative}.page{padding:16px;animation:.25s pageIn}@keyframes pageIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.page-header{align-items:center;gap:12px;margin-bottom:20px;display:flex}.page-title{color:var(--text);font-size:1.35rem;font-weight:700}.page-subtitle{color:var(--muted);margin-top:2px;font-size:.8rem}.card{background:var(--panel);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:16px;transition:transform .15s,box-shadow .15s}.card:hover{transform:translateY(-1px);box-shadow:0 12px 28px #00000073}.card-glass{background:var(--panel2);border-radius:var(--radius-md);padding:16px}.btn{border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:11px 20px;font-size:.9rem;font-weight:700;transition:transform 50ms,filter .15s;display:inline-flex;position:relative}.btn:active{transform:translateY(1px)}.btn-primary{background:linear-gradient(var(--accent2), var(--accent));color:#10240a;box-shadow:var(--shadow-btn)}.btn-primary:hover{filter:brightness(1.05)}.btn-secondary{background:var(--bg-input);color:var(--text);box-shadow:0 2px #222}.btn-secondary:hover{filter:brightness(1.1)}.btn-danger{background:linear-gradient(#e88, var(--accent-red));color:#fff;box-shadow:0 2px #8b2020}.btn-gold{background:linear-gradient(var(--accent2), var(--accent));color:#10240a;box-shadow:var(--shadow-btn);font-weight:800}.btn-gold:hover{filter:brightness(1.05)}.btn-lg{border-radius:10px;padding:13px 28px;font-size:.95rem}.btn-sm{padding:7px 14px;font-size:.8rem}.btn-block{width:100%}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.bottom-nav{width:100%;max-width:var(--max-width);height:var(--nav-height);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--border-color);z-index:100;padding:0 4px;padding-bottom:env(safe-area-inset-bottom,0);background:#262421f5;justify-content:space-around;align-items:center;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.nav-item{border-radius:var(--radius-sm);color:var(--muted);flex-direction:column;align-items:center;gap:3px;min-width:54px;padding:6px 14px;font-size:.68rem;font-weight:600;text-decoration:none;transition:all .15s;display:flex}.nav-item:hover,.nav-item.active{color:var(--accent2)}.nav-item.active{background:#7fa6501f}.nav-icon{font-size:1.2rem;line-height:1}.nav-item.main-action{background:linear-gradient(135deg, var(--accent2), var(--accent));color:#10240a;border:4px solid #1a1815;border-radius:50%;justify-content:center;width:54px;height:54px;padding:0;transform:translateY(-16px);box-shadow:0 4px 12px #b6d16b4d}.nav-item.main-action span{display:none}.nav-item.main-action .nav-icon{margin:0}.nav-item.main-action:hover,.nav-item.main-action.active{color:#10240a;filter:brightness(1.1);background:linear-gradient(135deg, var(--accent2), var(--accent))}.avatar{border-radius:var(--radius-sm);color:#fff;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:.8rem;font-weight:700;display:flex;overflow:hidden}.avatar img{object-fit:cover;width:100%;height:100%}.avatar-sm{width:30px;height:30px;font-size:.7rem}.avatar-lg{border-radius:10px;width:48px;height:48px;font-size:1rem}.avatar-xl{border-radius:14px;width:72px;height:72px;font-size:1.4rem}.board-container{width:var(--board-size);height:var(--board-size);max-width:100%;box-shadow:var(--shadow-board);border-radius:8px;margin:0 auto;position:relative;overflow:hidden}.board-grid{grid-template-rows:repeat(8,1fr);grid-template-columns:repeat(8,1fr);width:100%;height:100%;display:grid}.square{cursor:pointer;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;justify-content:center;align-items:center;display:flex;position:relative}.square-light{background-color:var(--board-light)}.square-dark{background-color:var(--board-dark)}.square.highlighted{box-shadow:inset 0 0 0 999px var(--last-move)}.square.selected{box-shadow:inset 0 0 0 999px #14551e80}.square.legal-move:after{content:"";background:#0000001f;border-radius:50%;width:28%;height:28%;position:absolute}.square.legal-capture:after{content:"";background:0 0;border:6px solid #0000001f;border-radius:50%;width:82%;height:82%;position:absolute}.square.in-check{box-shadow:inset 0 0 0 999px var(--check-color)}.piece{width:calc(var(--sq) * .86);height:calc(var(--sq) * .86);cursor:grab;z-index:2;-webkit-user-select:none;user-select:none;pointer-events:none;filter:drop-shadow(0 2px 2px #00000059);justify-content:center;align-items:center;display:flex}.piece:active{cursor:grabbing;z-index:10;transform:scale(1.1)}.piece-white{color:#f7f6f3;-webkit-text-stroke:1.2px #3a3936}.piece-black{color:#454341;text-shadow:0 1px 1px #00000080;-webkit-text-stroke:1.2px #201f1e}.piece.pop{animation:.28s piecePop}@keyframes piecePop{0%{transform:scale(1)}40%{transform:scale(1.16)}to{transform:scale(1)}}.coord-label{font-size:calc(var(--sq) * .17);opacity:.8;pointer-events:none;font-weight:700;position:absolute}.coord-file{bottom:2px;right:4px}.coord-rank{top:1px;left:3px}.square-light .coord-label{color:#769656}.square-dark .coord-label{color:#eeeed2}.clock{font-family:var(--font-mono);border-radius:var(--radius-sm);background:var(--bg-input);text-align:center;border:1px solid #0000;min-width:72px;padding:6px 14px;font-size:1.2rem;font-weight:700;transition:all .2s}.clock.active{background:var(--accent);color:#10240a;border-color:var(--accent2);box-shadow:0 0 12px #7fa6504d}.clock.low-time{color:#f44;border-color:var(--accent-red);background:#e74c3c1f;animation:.8s infinite lowTimePulse}@keyframes lowTimePulse{0%,to{opacity:1}50%{opacity:.6}}.player-card{border-radius:var(--radius-md);background:var(--panel2);border:1px solid #0000;align-items:center;gap:10px;padding:9px 11px;transition:border-color .2s;display:flex}.player-card.active-turn{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}.player-info{flex:1;min-width:0}.player-name{white-space:nowrap;text-overflow:ellipsis;align-items:center;gap:7px;font-size:.9rem;font-weight:600;display:flex;overflow:hidden}.player-badge{background:var(--accent);color:#10240a;text-transform:uppercase;letter-spacing:.03em;border-radius:20px;padding:1px 7px;font-size:10px;font-weight:700}.captured-pieces{min-height:20px;color:var(--muted);flex-wrap:wrap;align-items:center;gap:1px;font-size:16px;display:flex}.captured-white{color:#f0eee9}.captured-black{color:#454341}.material-adv{color:var(--accent2);font-size:12px;font-weight:700}.thinking-dots{align-items:center;gap:3px;margin-left:6px;display:inline-flex}.thinking-dots i{background:var(--accent2);border-radius:50%;width:5px;height:5px;animation:1s infinite dotBlink;display:block}.thinking-dots i:nth-child(2){animation-delay:.2s}.thinking-dots i:nth-child(3){animation-delay:.4s}@keyframes dotBlink{0%,to{opacity:.25}50%{opacity:1}}.move-list{background:var(--panel2);border-radius:var(--radius-md);font-variant-numeric:tabular-nums;height:110px;padding:6px 4px;overflow-y:auto}.move-row{grid-template-columns:30px 1fr 1fr;gap:2px;font-size:13px;display:grid}.move-number{color:var(--muted);text-align:right;padding:4px 6px}.move-san{cursor:default;font-family:var(--font-mono);border-radius:5px;padding:4px 8px;font-size:13px;transition:background .1s}.move-san:hover{background:#ffffff0a}.move-san.current{color:var(--accent2);background:#7fa6502e}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:200;background:#141311b8;justify-content:center;align-items:center;padding:20px;animation:.3s fadeIn;display:flex;position:fixed;inset:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background:var(--panel);border-radius:var(--radius-lg);text-align:center;width:100%;max-width:360px;box-shadow:var(--shadow-card);padding:28px 24px;animation:.35s cubic-bezier(.3,.9,.3,1) modalSlideIn}@keyframes modalSlideIn{0%{opacity:0;transform:scale(.92)translateY(16px)}to{opacity:1;transform:scale(1)translateY(0)}}.matchmaking-spinner{width:64px;height:64px;margin:16px auto;position:relative}.matchmaking-spinner:before,.matchmaking-spinner:after{content:"";border:3px solid #0000;border-radius:50%;position:absolute;inset:0}.matchmaking-spinner:before{border-top-color:var(--accent);border-right-color:var(--accent);animation:1s linear infinite spin}.matchmaking-spinner:after{border-bottom-color:var(--accent2);border-left-color:var(--accent2);animation:1s linear infinite reverse spin;inset:7px}@keyframes spin{to{transform:rotate(360deg)}}.chess-loader-wrapper{flex-direction:column;justify-content:center;align-items:center;gap:12px;display:flex}.chess-loader-circle{justify-content:center;align-items:center;display:flex;position:relative}.chess-loader-circle:before{content:"";border-style:solid;border-width:var(--ring,4px);border-color:#7fa65026;border-top-color:var(--accent);border-radius:50%;animation:1s linear infinite chessLoaderSpin;position:absolute;inset:0}.chess-loader-king{color:var(--accent);filter:drop-shadow(0 0 8px #7fa65080);justify-content:center;align-items:center;line-height:1;display:flex;position:relative}.chess-loader-text{color:var(--accent);letter-spacing:.5px;font-weight:500;animation:1.5s ease-in-out infinite chessLoaderPulse}@keyframes chessLoaderSpin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes chessLoaderPulse{0%,to{opacity:.6}50%{opacity:1}}.matchmaking-text{margin-top:12px;font-size:1rem;font-weight:600}.matchmaking-dots:after{content:"";animation:1.5s steps(4,end) infinite dots}@keyframes dots{0%{content:""}25%{content:"."}50%{content:".."}75%{content:"..."}}.opponent-found{animation:.45s cubic-bezier(.68,-.55,.265,1.55) bounceIn}@keyframes bounceIn{0%{transform:scale(0)}60%{transform:scale(1.08)}to{transform:scale(1)}}.game-result{margin:12px 0;font-size:1.8rem;font-weight:800}.game-result.win{color:var(--accent2)}.game-result.loss{color:var(--accent-red)}.game-result.draw{color:var(--muted)}.earnings-display{color:var(--accent2);margin:10px 0;font-size:1.4rem;font-weight:700}.earnings-display.negative{color:var(--accent-red)}.selection-grid{gap:10px;margin-bottom:20px;display:grid}.selection-grid-2{grid-template-columns:repeat(2,1fr)}.selection-grid-3{grid-template-columns:repeat(3,1fr)}.selection-grid-4{grid-template-columns:repeat(4,1fr)}.selection-card{border-radius:var(--radius-md);background:var(--panel2);text-align:center;cursor:pointer;border:2px solid #0000;padding:14px 10px;transition:all .15s}.selection-card:hover{border-color:var(--border-color);transform:translateY(-1px)}.selection-card.selected{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset;background:#7fa65014}.selection-icon{margin-bottom:6px;font-size:1.6rem}.selection-title{margin-bottom:2px;font-size:.9rem;font-weight:600}.selection-subtitle{color:var(--muted);font-size:.72rem}.bet-card{padding:12px 4px}.bet-amount{color:var(--accent2);font-size:1.4rem;font-weight:800}.bet-currency{color:var(--muted);text-transform:uppercase;letter-spacing:.5px;font-size:.7rem;font-weight:700}.balance-display{text-align:center;margin-bottom:20px;padding:24px 16px}.balance-label{color:var(--muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:6px;font-size:.78rem}.balance-amount{color:var(--accent2);font-size:2.2rem;font-weight:800}.balance-usd{color:var(--muted);margin-top:2px;font-size:.85rem}.wallet-actions{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:20px;display:grid}.leaderboard-item{border-radius:var(--radius-sm);border-bottom:1px solid #ffffff08;align-items:center;gap:10px;padding:10px 12px;transition:background .1s;display:flex}.leaderboard-item:hover{background:#ffffff08}.leaderboard-rank{text-align:center;min-width:28px;color:var(--muted);font-size:.9rem;font-weight:800}.leaderboard-rank.top-1{color:gold;font-size:1.1rem}.leaderboard-rank.top-2{color:silver;font-size:1rem}.leaderboard-rank.top-3{color:#cd7f32}.leaderboard-stats{text-align:right;flex-shrink:0}.leaderboard-earnings{color:var(--accent2);font-size:.9rem;font-weight:700}.leaderboard-record{color:var(--muted);font-size:.7rem}.mode-card{cursor:pointer;align-items:center;gap:14px;margin-bottom:10px;padding:18px 16px;display:flex}.mode-icon{border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:1.4rem;display:flex}.mode-icon.computer,.mode-icon.ai-mode{color:var(--accent2);background:#7fa6501a;border:1px solid #7fa65040}.mode-icon.p2e,.mode-icon.p2e-mode{color:var(--accent2);background:#7fa65026;border:1px solid #7fa65059}.mode-info{flex:1}.mode-title{margin-bottom:3px;font-size:1rem;font-weight:700}.mode-desc{color:var(--muted);font-size:.78rem;line-height:1.4}.mode-arrow{color:var(--muted);font-size:1.2rem;transition:transform .15s}.mode-card:hover .mode-arrow{color:var(--accent);transform:translate(3px)}.section-label{text-transform:uppercase;letter-spacing:1.2px;color:var(--muted);margin-bottom:10px;font-size:.72rem;font-weight:700}.chain-selector{gap:8px;margin-bottom:14px;display:flex}.chain-btn{border-radius:var(--radius-sm);background:var(--bg-input);border:1px solid var(--border-color);text-align:center;cursor:pointer;flex:1;padding:9px;font-size:.82rem;font-weight:600;transition:all .15s}.chain-btn.selected{border-color:var(--accent);color:var(--accent2);background:#7fa6501a}.deposit-address{font-family:var(--font-mono);background:var(--bg);border-radius:var(--radius-sm);border:1px solid var(--border-color);word-break:break-all;padding:11px 64px 11px 11px;font-size:.72rem;position:relative}.copy-btn{background:var(--accent);color:#10240a;cursor:pointer;border-radius:4px;padding:4px 10px;font-size:.72rem;font-weight:700;position:absolute;top:50%;right:8px;transform:translateY(-50%)}.promotion-modal{z-index:50;background:var(--panel);border:1px solid var(--border-color);border-radius:var(--radius-sm);box-shadow:var(--shadow-card);flex-direction:column;display:flex;position:absolute}.promotion-piece{cursor:pointer;text-align:center;padding:8px 12px;font-size:2rem;transition:background .1s}.promotion-piece:hover{background:#ffffff0f}.tx-item{border-bottom:1px solid #ffffff0a;justify-content:space-between;align-items:center;padding:10px 0;display:flex}.tx-type{font-size:.82rem;font-weight:600}.tx-amount{font-weight:700;font-family:var(--font-mono);font-size:.85rem}.tx-amount.positive{color:var(--accent2)}.tx-amount.negative{color:var(--accent-red)}.tx-date{color:var(--muted);font-size:.7rem}.toast{border-radius:var(--radius-md);background:var(--panel);border:1px solid var(--border-color);box-shadow:var(--shadow-card);z-index:300;max-width:90%;padding:10px 20px;font-weight:500;animation:.3s toastIn,.3s 2.7s forwards toastOut;position:fixed;top:12px;left:50%;transform:translate(-50%)}@keyframes toastIn{0%{opacity:0;transform:translate(-50%)translateY(-16px)}to{opacity:1;transform:translate(-50%)translateY(0)}}@keyframes toastOut{0%{opacity:1}to{opacity:0}}.skeleton{background:linear-gradient(90deg, var(--panel2) 25%, #3a3835 50%, var(--panel2) 75%);border-radius:var(--radius-sm);background-size:200% 100%;animation:1.5s infinite shimmer}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@media (max-width:380px){.selection-grid-3{grid-template-columns:repeat(2,1fr)}.balance-amount{font-size:1.8rem}.page{padding:12px}}.text-center{text-align:center}.text-right{text-align:right}.text-green{color:var(--accent2)}.text-red{color:var(--accent-red)}.text-gold{color:var(--accent2)}.text-muted{color:var(--muted)}.text-sm{font-size:.82rem}.text-xs{font-size:.72rem}.text-lg{font-size:1.05rem}.font-bold{font-weight:700}.font-mono{font-family:var(--font-mono)}.mt-4{margin-top:4px}.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mb-8{margin-bottom:8px}.mb-12{margin-bottom:12px}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}.gap-8{gap:8px}.gap-12{gap:12px}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.flex-1{flex:1}.w-full{width:100%}.hidden{display:none}.platform-stats-bar{grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:8px;display:grid}.stat-box{background:var(--panel);border-radius:var(--radius-md);text-align:center;border:1px solid var(--border-subtle);flex-direction:column;align-items:center;gap:4px;padding:14px 10px;transition:transform .15s;display:flex}.stat-box:hover{transform:translateY(-2px)}.stat-icon{color:var(--accent)}.stat-icon-live{color:#4caf50;animation:1.8s infinite livePulse}@keyframes livePulse{0%,to{opacity:1}50%{opacity:.4}}.stat-value{font-size:1.15rem;font-weight:800;font-family:var(--font-mono);letter-spacing:-.5px;color:var(--text)}.stat-value-live{color:#4caf50}.stat-label{color:var(--muted);text-transform:uppercase;letter-spacing:.8px;font-size:.62rem;font-weight:600}.fee-card{background:var(--panel);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);border:1px solid var(--border-subtle);padding:18px 16px}.fee-header{color:var(--accent2);align-items:center;gap:8px;margin-bottom:16px;font-size:.88rem;font-weight:700;display:flex}.fee-header-icon{color:var(--accent)}.fee-example{background:var(--panel2);border-radius:var(--radius-md);padding:14px}.fee-row{justify-content:center;align-items:center;gap:12px;display:flex}.fee-col{text-align:center;flex:1}.fee-player{color:var(--muted);justify-content:center;align-items:center;gap:5px;margin-bottom:4px;font-size:.72rem;display:flex}.fee-amount{font-size:1.1rem;font-weight:800;font-family:var(--font-mono);color:var(--text)}.fee-plus{color:var(--muted);font-size:1.1rem;font-weight:700}.fee-divider{background:var(--border-color);height:1px;margin:14px 0}.fee-results{flex-direction:column;gap:8px;display:flex}.fee-result{color:var(--muted);align-items:center;gap:8px;font-size:.82rem;display:flex}.fee-result strong{font-family:var(--font-mono);margin-left:auto;font-weight:700}.fee-result.winner,.fee-result.winner 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