.alert{position:relative;display:inline-flex;align-items:center;padding:0 .5rem 0 .75rem;border-radius:8px;font-size:.8rem;text-align:center;transition:opacity .3s ease,transform .3s ease;box-shadow:0 2px 4px #0003}.alert .message{margin:.4rem .75rem .4rem .25rem}.alert--info{background-color:#add8e6;border:2px solid #4682b4}.alert--warning{background-color:#fffacd;border:2px solid #ffd700}.alert--error{background-color:#ffb6c1;border:2px solid #ff6347}.alert--success{background-color:#90ee90;border:2px solid #32cd32}.alert-dismiss{background:none;border:none;font-size:1.2rem;margin-bottom:.1rem;font-weight:700;color:inherit;cursor:pointer}.alert-dismiss:hover{color:#333}.menu-buttons{display:flex;flex-direction:column;gap:6px;position:fixed;top:32px;right:30px;z-index:1000}@media (max-width: 700px){.menu-buttons{top:10px;right:8px}}.menu-buttons--sound{top:76px}@media (max-width: 700px){.menu-buttons--sound{top:50px}}.menu-buttons--realism{top:120px}@media (max-width: 700px){.menu-buttons--realism{top:90px}}.menu-buttons--eval{top:164px}@media (max-width: 700px){.menu-buttons--eval{top:130px}}.menu-buttons .menu-button{background-color:#fff;border:1px solid #ccc;border-radius:4px;padding:8px 9px 8px 8px;align-items:center;gap:8px;cursor:pointer;display:flex;font-size:.875rem;box-shadow:0 2px 5px #0000001a;transition:all .1s ease}.menu-button:hover{box-shadow:0 3px 8px #00000026;border-color:#aaa}.menu-button svg{flex-shrink:0;width:20px;height:20px}@media (max-width: 700px){.menu-button svg{width:18px;height:18px}}.sound-toggle-button--off,.realism-toggle-button--off,.eval-toggle-button--off{color:#b13434}.game-form{display:flex;flex-direction:column;gap:0;width:100%;max-width:380px;background:#fff;border-radius:10px;box-shadow:0 2px 12px #00000014;overflow:hidden}.game-preferences-container{display:flex;flex-direction:column;gap:0;padding:.25rem 1rem 0}.game-preferences-form-component{display:flex;align-items:center;justify-content:space-between;padding:.4rem 0;border-bottom:1px solid #f0f0f0;gap:.75rem}.game-preferences-form-component:last-child{border-bottom:none}.game-preferences-form-component .label{font-size:.82rem;font-weight:500;color:#444;white-space:nowrap}.game-preferences-form-component .label small{font-weight:400;color:#888}.board-setup-select,.color-preference-select,.engine-difficulty-select{padding:.3rem .5rem;border:1px solid #ddd;border-radius:6px;background-color:#fafafa;height:32px;font-size:.85rem;color:#333;outline:none;transition:border-color .15s;min-width:0;flex-shrink:1}.board-setup-select:focus,.color-preference-select:focus,.engine-difficulty-select:focus{border-color:#4f8cff}.game-form .dimensions-row{display:flex;gap:.6rem;padding:.4rem 0;border-bottom:1px solid #f0f0f0}.game-form .dimensions-row .game-preferences-form-component{flex:1;border-bottom:none;padding:0}.game-form .game-preferences-form-component input[type=number]{width:52px;padding:.3rem .25rem;border:1px solid #ddd;border-radius:6px;text-align:center;font-size:.85rem;height:32px;background-color:#fafafa;color:#333;outline:none;transition:border-color .15s}.game-form .game-preferences-form-component input[type=number]:focus{border-color:#4f8cff}.game-form .game-preferences-form-component input[type=checkbox]{width:20px;height:20px;margin:6px 0;cursor:pointer;accent-color:#4f8cff}.game-form .game-preferences-form-component input[type=checkbox]:disabled{cursor:not-allowed;opacity:.45}.game-details-container{display:flex;flex-direction:column;gap:.5rem;padding:.75rem 1rem;background:#fafafa;border-top:1px solid #eee}.game-form .username-field,.game-form .game-id-field{width:100%;padding:.45rem .65rem;border:1px solid #ddd;border-radius:6px;height:36px;font-size:.9rem;background:#fff;color:#333;outline:none;transition:border-color .15s}.game-form .username-field:focus,.game-form .game-id-field:focus{border-color:#4f8cff}.game-form .username-field::placeholder,.game-form .game-id-field::placeholder{color:#aaa}.game-form .main-action-button{width:100%;border-radius:6px;height:38px;font-size:.9rem;margin-top:.15rem}.ai-modal{position:fixed;z-index:1100;display:flex;flex-direction:column;min-width:220px;min-height:120px;overflow:hidden;border-radius:10px;border:1px solid #e0e0d8;background-color:#fafaf8;box-shadow:0 8px 32px #00000026,0 2px 8px #00000014;-webkit-user-select:none;user-select:none}.ai-modal__resize-n{position:absolute;top:0;left:8px;right:8px;height:5px;cursor:n-resize;z-index:10;border-radius:10px 10px 0 0}.ai-modal__resize-se{position:absolute;bottom:0;right:0;width:18px;height:18px;cursor:se-resize;z-index:10}.ai-modal__resize-se:after{content:"";position:absolute;bottom:3px;right:3px;width:9px;height:9px;border-right:2px solid #c0c0b8;border-bottom:2px solid #c0c0b8;border-radius:0 0 3px}.ai-modal__header{display:flex;align-items:center;justify-content:space-between;padding:.45rem .6rem .45rem .75rem;background-color:#f0f0ec;border-bottom:1px solid #e0e0d8;border-radius:10px 10px 0 0;cursor:grab;flex-shrink:0;margin-top:3px}.ai-modal__header:active{cursor:grabbing}.ai-modal__title{font-size:.78rem;font-weight:600;color:#444;pointer-events:none}.ai-modal__header-actions{display:flex;align-items:center;gap:4px}.ai-modal__regenerate{display:flex;align-items:center;justify-content:center;width:22px;height:22px;padding:0;background:none;border:1.5px solid #b8cfe8;border-radius:50%;font-size:.85rem;color:#4682b4;cursor:pointer;flex-shrink:0;transition:background-color .15s,border-color .15s}.ai-modal__regenerate:hover:not(:disabled){background-color:#e0eef8;border-color:#4682b4}.ai-modal__regenerate:disabled{opacity:.35;cursor:not-allowed}.ai-modal__close{background:none;border:none;font-size:.65rem;color:#aaa;cursor:pointer;padding:2px 4px;line-height:1;border-radius:4px;transition:color .15s,background-color .15s}.ai-modal__close:hover{color:#555;background-color:#0000000f}.ai-modal__body{flex:1;overflow-y:auto;padding:.65rem .85rem;min-height:0;-webkit-user-select:text;user-select:text}@keyframes ai-shimmer{0%{background-position:-200% center}to{background-position:200% center}}.ai-analysis-skeleton{display:flex;flex-direction:column;gap:.55rem;padding:.15rem 0}.ai-analysis-skeleton__line{height:.7rem;border-radius:4px;background:linear-gradient(90deg,#ebebeb 25%,#f5f5f5,#ebebeb 75%);background-size:200% 100%;animation:ai-shimmer 1.6s ease-in-out infinite;width:100%}.ai-analysis-skeleton__line--wide{width:90%}.ai-analysis-skeleton__line--medium{width:75%}.ai-analysis-skeleton__line--narrow{width:55%}.ai-analysis-text{margin:0;font-size:.7rem;line-height:1.5;white-space:pre-wrap;color:#2d2d2d;text-align:left}.board-history-controls{display:flex;justify-content:center;align-items:center;gap:10px;margin-top:5px;margin-bottom:10px;padding:0 .65rem}.board-history-controls button{background-color:#f0f0f0;border:1px solid #ccc;border-radius:12px;cursor:pointer;font-size:.8rem;padding:.3rem .7rem}@media (max-width: 600px){.board-history-controls button{font-size:.75rem;padding:.25rem .75rem}}.board-history-controls button:disabled{opacity:.5;cursor:not-allowed}.board-history-controls span{font-size:.85rem}.captured-pieces{display:flex;justify-content:flex-start;align-items:center;padding:0 .5rem;min-height:48px}.image-container{display:flex;justify-content:center;width:30px}.captured-pieces img{width:40px;height:40px;margin:.2rem 0 .1rem}@media (max-width: 600px){.image-container{width:27px}.captured-pieces img{width:35px;height:35px}.captured-pieces{min-height:47px}}@media (max-width: 500px){.image-container{width:23px}.captured-pieces img{width:30px;height:30px}.captured-pieces{min-height:38px}}@media (max-width: 400px){.image-container{width:19px}.captured-pieces img{width:25px;height:25px}.captured-pieces{min-height:32px}}.captured-pieces .score{margin-left:.5rem}@media (max-width: 400px){.captured-pieces .score{font-size:.8rem}}.board{display:inline-block;max-width:900px;border:2px solid var(--board-border-color, #634832)}.board.game-over{position:relative}.board-row{display:flex}.board .square{display:flex;justify-content:center;align-items:center;max-width:var(--piece-diameter);max-height:var(--piece-diameter);-webkit-user-select:none;user-select:none;position:relative}.board .square img{width:100%;height:100%;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;pointer-events:auto}.board .square .position-label{position:absolute;font-size:.7rem;font-weight:500}.board .square .rank-label{left:2px;top:1px}.board .square .file-label{right:3px;bottom:1px}@media (max-width: 700px){.board .square .position-label{font-size:.6rem}}@media (max-width: 600px){.board .square .position-label{font-size:.55rem}}@media (max-width: 500px){.board .square .position-label{font-size:.5rem}.board .square .file-label{right:2px}}@media (max-width: 400px){.board .square .position-label{font-size:.45rem}}@media (max-width: 375px){.board .square .position-label{font-size:.4rem}}.piece{touch-action:none}.piece[data-piece-color=black],.floating-piece[data-piece-color=black]{filter:var(--black-piece-filter, none)}body.dragging-piece{cursor:none}body:not(.dragging-piece) .square--moveable{cursor:pointer}.piece.dragging{visibility:hidden}.square--previous-move-light-square{background:#f5f580!important}.square--previous-move-dark-square{background:#b9ca42!important}.square--selected{background:#ff0!important}.square--pre-move{outline:3px dashed rgb(232,59,59);outline-offset:-3px}.square--pre-move--from{animation:preMoveGlow 1.5s ease-in-out infinite}@keyframes preMoveGlow{0%,to{box-shadow:inset 0 0 #e83b3b00}50%{box-shadow:inset 0 0 32px #e83b3b99}}.square--possible-move:after{content:"";position:absolute;width:33%;height:33%;background:radial-gradient(circle,#00000040,#0003);border-radius:50%;pointer-events:none}.floating-piece{background:#ffd000a0!important;border-radius:25%;box-shadow:0 0 10px 5px #ff0c}@media (min-width: 600px){.floating-piece{background:unset!important;border-radius:unset;box-shadow:unset}}.board .board-row .square{background-color:var(--board-dark-color, #779556)}.rank-count-odd .board-row:nth-child(odd) .square:nth-child(2n),.rank-count-odd .board-row:nth-child(2n) .square:nth-child(odd){background-color:var(--board-light-color, #ebecd0)}.rank-count-even .board-row:nth-child(odd) .square:nth-child(odd),.rank-count-even .board-row:nth-child(2n) .square:nth-child(2n){background-color:var(--board-light-color, #ebecd0)}.game-over-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#1e1e1e80;z-index:10;display:flex;align-items:center;justify-content:center;pointer-events:none}.game-over-message{position:relative;color:#fff;font-size:2.2rem;font-weight:700;text-align:center;background:#0009;border-radius:18px;padding:2rem 3rem;box-shadow:0 2px 16px #00000040;pointer-events:auto}@media (max-width: 525px){.game-over-message{font-size:1.5rem;padding:1.5rem 3rem}}.game-over-close{position:absolute;top:.5rem;right:.6rem;background:none;border:none;color:#ffffffb3;font-size:1.1rem;line-height:1;cursor:pointer;padding:.1rem .3rem;border-radius:4px;transition:color .15s ease,background .15s ease}.game-over-close:hover{color:#fff;background:#ffffff26}.play-again-button{display:block;margin:1.2rem auto 0;padding:.6rem 1.8rem;font-size:1.05rem;font-weight:700;color:#fff;background:#3a7c3a;border:none;border-radius:10px;cursor:pointer;transition:background .15s ease,transform .1s ease}.play-again-button:hover{background:#2e6b2e}.play-again-button:active{background:#265726;transform:scale(.97)}.eval-bar{width:30px;flex-shrink:0;position:relative;display:flex;flex-direction:column;overflow:visible;border:solid var(--board-border-color, #634832);border-width:2px 0 2px 2px}.eval-bar__black{background-color:#333;transition:flex .4s ease}.eval-bar__white{background-color:#f0f0f0;transition:flex .4s ease}.eval-bar__label{position:absolute;left:50%;transform:translate(-50%,-50%);font-size:.55rem;font-weight:700;line-height:1;white-space:nowrap;color:#111;background-color:#fff;border:1px solid #333;border-radius:5px;padding:.1rem;width:100%;z-index:11}@media (max-width: 500px){.eval-bar{width:21px}.eval-bar__label{font-size:.32rem}}.player-time{display:block;background:#000;color:#fff;font-size:1.3rem;float:right;margin:.25rem 0;padding:.25rem .6rem;border-radius:5px;width:75px}@media (max-width: 600px){.player-time{margin-right:2px}}@media (max-width: 500px){.player-time{font-size:1.1rem;padding:.2rem .5rem;width:63px}}.player-time--low{background:red}.game-container{background:#fafafa;border-top:1px solid rgba(0,0,0,.09);border-bottom:1px solid rgba(0,0,0,.09);border-radius:1.2rem;box-shadow:0 4px 20px #0000000f,0 1px 3px #0000000a;padding:1rem .75rem}@media (max-width: 700px){.game-container{margin:0 .3rem}}@media (max-width: 600px){.game-container{padding:.5rem 0 .6rem}}@media (max-width: 500px){.game-container{margin:0}}.game-container .status-container{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:.25rem .5rem;min-height:65px;margin-bottom:.5rem;max-width:600px}@media (max-width: 600px){.game-container .status-container{padding:0 .25rem}}.game-container .game-id-container{display:flex;justify-content:center;align-items:center;gap:1rem;margin-bottom:.7rem;padding:0 .65rem}.game-container .game-id-container .game-id{line-break:anywhere}.game-container .game-buttons{display:flex;gap:.5rem;align-items:center}.game-container .leave-game-button,.game-container .resign-button{color:#fff;background-color:red;border:none;border-radius:5px;padding:2px 9px 3px;cursor:pointer;height:100%}.game-container .leave-game-button:hover,.game-container .resign-button:hover{background-color:#d80101}.game-container .resign-confirm{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#0000008c;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;z-index:1000}.game-container .resign-confirm-inner{background-color:#fff;padding:28px 24px;border-radius:12px;text-align:center;max-width:300px;width:90%;box-shadow:0 8px 32px #00000040}.game-container .resign-confirm-inner p{font-size:1rem;font-weight:500;margin:0 0 4px;color:#302f2f}.game-container .resign-confirm-buttons{display:flex;gap:10px;justify-content:center;margin-top:20px}.game-container .resign-confirm-yes,.game-container .resign-confirm-no{flex:1;min-width:0;padding:9px 16px;border-radius:6px;font-size:.9rem;font-weight:500;cursor:pointer;transition:background-color .15s ease,transform .1s ease}@media (max-width: 600px){.game-container .resign-confirm-yes,.game-container .resign-confirm-no{padding:7px 10px;font-size:.85rem}}.game-container .resign-confirm-yes{background-color:#e53935;color:#fff;border:none}.game-container .resign-confirm-yes:hover{background-color:#c62828}.game-container .resign-confirm-no{background-color:#f0f0f0;color:#333;border:1px solid #ccc}.game-container .resign-confirm-no:hover{background-color:#e0e0e0}.game-container .status-container .pill{display:inline-block;padding:.25rem .75rem;border-radius:999px;font-size:.8rem;text-align:center;transition:transform .3s ease,box-shadow .3s ease}@media (max-width: 600px){.game-container .status-container{margin-bottom:.3rem;min-height:30px}.game-container .status-container .pill{font-size:.75rem;padding:2px 8px}}.game-container .status-container .pill--faded{opacity:.5}.game-container .status-container .pill--pink{background-color:#ffb6c1;border:2px solid #ff69b4}.game-container .status-container .pill--red{background-color:#ffcccb;border:2px solid #ff4500}.game-container .status-container .pill--blue{background-color:#add8e6;border:2px solid #4682b4}.game-container .status-container .pill--green{background-color:#90ee90;border:2px solid #32cd32}@keyframes your-turn-flash{0%,to{background-color:#90ee90;box-shadow:none}50%{background-color:#a4f99c;box-shadow:0 0 10px #32cd32cc}}.game-container .status-container .pill--flashing{animation:your-turn-flash 1s ease-in-out infinite}.game-container .status-container .pill--gray{background-color:#d3d3d3;border:2px solid #a9a9a9}.game-container .status-container .pill--purple{background-color:#e0cffc;border:2px solid #9370db}.game-area{display:inline-block;margin:0 auto;max-width:calc(8 * var(--piece-diameter) + 18px)}.player-status-row{display:flex;justify-content:flex-end;align-items:center}.player-status-row .captured-pieces{flex:1}.board-theme-picker{display:flex;gap:8px;margin-right:1.5rem;position:relative;top:1px}@media (max-width: 500px){.board-theme-picker{gap:6px;margin-right:1rem}}@media (max-width: 420px){.board-theme-picker{gap:5px;margin-right:.5rem}}.board-theme-picker--right-aligned{margin-right:0rem}@media (max-width: 600px){.board-theme-picker--right-aligned{margin-right:.65rem}}.theme-swatch{width:22px;height:22px;border-radius:50%;border:2.5px solid transparent;cursor:pointer;padding:0;outline:none;transition:border-color .15s,transform .12s;flex-shrink:0}@media (max-width: 500px){.theme-swatch{width:20px;height:20px;border-width:1.75px}}@media (max-width: 420px){.theme-swatch{width:16px;height:16px;border-width:1.5px}}.theme-swatch--active{border-color:#111;box-shadow:0 0 0 1px #00000040;transform:scale(1.12)}.theme-swatch:hover:not(.theme-swatch--active){border-color:#666;transform:scale(1.1)}.game-container .chess-board-container{display:inline-flex;justify-content:center;align-items:stretch}.game-analysis-actions{display:flex;flex-direction:column;margin-top:1.25rem;gap:.65rem;padding:0 .65rem}@media (min-width: 601px){.game-analysis-actions{padding:0}}@media (max-width: 500px){.game-analysis-actions{margin-top:.8rem}}.game-analysis-actions__buttons{display:flex;justify-content:space-between;align-items:center;gap:.5rem}.game-analysis-actions__button-group{display:flex;gap:.35rem;justify-content:right;flex-wrap:wrap}.game-analysis-actions__button-group--left{justify-content:left}.ai-analysis-button{display:inline-flex;align-items:center;gap:.4rem;padding:.3rem .7rem;border:1.5px solid #b0c8e8;border-radius:999px;background-color:#f0f6ff;color:#2c5282;font-size:.8rem;font-weight:500;cursor:pointer;transition:background-color .15s,border-color .15s,transform .1s}@media (max-width: 600px){.ai-analysis-button{font-size:.6rem;padding:.25rem .5rem}}.ai-analysis-button:hover:not(:disabled){border-color:#4682b4}.ai-analysis-button:disabled:not(.ai-analysis-button--loading){opacity:.5;cursor:not-allowed}.ai-analysis-button--active{background-color:#4682b4;border-color:#2a5f8a;color:#fff}@keyframes ai-button-pulse{0%,to{background-color:#dbeafe;border-color:#93c5fd}50%{background-color:#bfdbfe;border-color:#60a5fa}}.ai-analysis-button--loading{animation:ai-button-pulse 1.4s ease-in-out infinite;border-color:#93c5fd;color:#2c5282;cursor:wait}@keyframes ai-spinner-rotate{to{transform:rotate(360deg)}}.ai-analysis-spinner{display:inline-block;width:.65em;height:.65em;border:1.5px solid currentColor;border-top-color:transparent;border-radius:50%;animation:ai-spinner-rotate .7s linear infinite;flex-shrink:0}.fen-copy-button{padding:.3rem .7rem;border:1.5px solid #ccc;border-radius:999px;background-color:#f5f5f5;color:#555;font-size:.8rem;font-weight:500;cursor:pointer;transition:background-color .15s,color .15s,border-color .15s;flex-shrink:0;align-self:flex-start}@media (max-width: 600px){.fen-copy-button{font-size:.6rem;padding:.25rem .5rem}}.fen-copy-button:hover:not(:disabled):not(.fen-copy-button--copied){border-color:#999}.fen-copy-button--copied{background-color:#d4edda!important;border-color:#a3d9b0;color:#2d6a3f}.app-container{padding-bottom:3rem}.app-container .title-container{margin:2rem 0 1rem}.app-container .app-messages-container{position:fixed;width:100%;padding:0 .5rem;top:5px;left:50%;transform:translate(-50%);z-index:1000}.app-container .title-container .hero-image{max-height:150px;border-radius:8px;box-shadow:0 3px 5px #0000001a}.app-container .title-container .hero-image:hover{cursor:pointer}@media (max-width: 600px){.app-container .title-container{margin-top:.6rem}.app-container .title-container .hero-image{max-height:100px}}.sub-title-container{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:.75rem 1.5rem;padding:0 .5rem}.main-action-button{display:inline-block;background:linear-gradient(90deg,#4f8cff,#1cb5e0);color:#fff;border:none;border-radius:20px;font-size:1rem;font-weight:500;padding:.5rem 1.05rem;cursor:pointer;transition:background .18s,box-shadow .18s,transform .12s;vertical-align:middle}.main-action-button--secondary{background:linear-gradient(90deg,#3cb371,#8cc751)}.main-action-button:hover,.main-action-button:focus{background:linear-gradient(90deg,#1cb5e0,#4f8cff)}.main-action-button--secondary:hover,.main-action-button--secondary:focus{background:linear-gradient(90deg,#8cc751,#3cb371)}.main-action-button:disabled{background:#ccc;color:#666;cursor:not-allowed;transition:none}.form-container{display:flex;justify-content:center;align-items:center;margin-top:.75rem;padding:0 1rem}.options-bar{display:inline-block;cursor:pointer;margin:1rem auto 0;padding:.25rem .9rem;font-size:.8rem;color:#666;border:1px solid #ddd;border-radius:14px;background:#fff;transition:background .15s,color .15s}.options-bar:hover{background-color:#f5f5f5;color:#333}.games-container{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;margin-top:3rem;gap:1.5rem}@media (min-width: 768px){.games-container{padding:0 .5rem}}*{margin:0;padding:0;box-sizing:border-box}#root{width:100%}:root{--font: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;--piece-diameter: 70px;--piece-diameter-small: 60px;--piece-diameter-smaller: 52px;--piece-diameter-smallest: 45px;font-family:var(--font);text-align:center;background-color:#f0edd9;font-size:16px}input[type=text],input[type=number]{font-size:16px}
