#board_unique,#board_unique img,#board_unique .square,.dragging-piece{-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;-khtml-user-select:none;-webkit-user-drag:none}#container_unique{touch-action:pan-x pan-y;flex-direction:column;align-items:center;width:100%;max-width:960px;margin:0 auto;padding:10px;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,sans-serif;display:flex}#boardContainer_unique{justify-content:center;align-items:flex-start;padding:20px;display:flex;position:relative}#boardWrapper_unique{flex-direction:column;align-items:center;display:flex}#board_unique{box-sizing:content-box;touch-action:none;-webkit-user-select:none;user-select:none;border:1px solid #ffffff26;border-radius:12px;grid-template-rows:repeat(8,60px);grid-template-columns:repeat(8,60px);width:480px;height:480px;margin:0 auto;display:grid;position:relative;overflow:visible;box-shadow:0 8px 32px #0006,inset 0 1px 1px #ffffff1a}.square{touch-action:none;justify-content:center;align-items:center;width:60px;height:60px;display:flex;position:relative}.light{background-color:#e8dcc8}.dark{background-color:#9e7c5c}[data-theme=dark] .light{background-color:#769ab8}[data-theme=dark] .dark{background-color:#34526a}#board_unique .square:nth-child(17){border-top-left-radius:12px;overflow:hidden}#board_unique .square:nth-child(24){border-top-right-radius:12px;overflow:hidden}#board_unique .square:nth-child(73){border-bottom-left-radius:12px;overflow:hidden}#board_unique .square:nth-child(80){border-bottom-right-radius:12px;overflow:hidden}#board_unique img{cursor:grab;-webkit-user-drag:element;width:90%;height:90%}#board_unique img:active{cursor:grabbing}#container_unique button{background:var(--glass-bg);width:70px;-webkit-backdrop-filter:var(--glass-blur);color:var(--text-primary);border:1px solid var(--glass-border);border-top-color:var(--glass-border-top);border-radius:var(--glass-radius);box-shadow:var(--glass-shadow-sm);text-align:center;cursor:pointer;padding:10px 8px;font-size:11px;font-weight:600;transition:all .2s}#container_unique button:hover{background:var(--glass-bg-hover);border-color:var(--glass-border-hover);transform:translateY(-1px)}#container_unique button:active{transform:scale(.98)}#container_unique button:disabled{cursor:not-allowed;opacity:.4}#container_unique button.btn-red{color:#fca5a5!important;background:#ef44444d!important;border-color:#ef444480!important}#container_unique button.btn-red:hover{background:#ef444466!important;border-color:#ef444499!important}#controls_unique button{justify-content:center;align-items:center;gap:6px;display:flex}#controls_unique button svg{flex-shrink:0}#controls_unique{flex-direction:column;align-items:center;gap:8px;margin-bottom:10px;display:flex}#rightPanel_unique{flex-direction:column;align-items:center;width:60px;margin-left:15px;display:flex}.resign-btn{background:#ef444433!important;border-color:#ef444466!important}.resign-btn:hover{background:#ef44444d!important;border-color:#ef444499!important}.resign-btn span,.resign-btn svg{color:#ef4444!important}#turnIndicatorContainer_unique{flex-direction:column;align-items:center;margin-bottom:15px;display:flex}#turnIndicator_unique{background:var(--glass-bg);width:36px;height:36px;-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-top-color:var(--glass-border-top);box-shadow:var(--glass-shadow-sm);border-radius:10px;justify-content:center;align-items:center;display:flex}#turnIndicator_unique img{width:80%;height:80%}#statusText_unique{color:var(--text-muted);text-align:center;margin-top:6px;font-size:10px;font-weight:600}#fenControls_unique{justify-content:center;align-items:center;gap:8px;margin-top:12px;display:flex}#fenControls_unique button{align-items:center;gap:4px;width:auto;padding:10px 12px;font-size:10px;font-weight:600;display:flex}#fenInput_unique{background:var(--glass-bg);width:180px;-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-top-color:var(--glass-border-top);color:var(--text-primary);box-shadow:var(--glass-shadow-sm);border-radius:12px;padding:10px 14px;font-size:11px}#fenInput_unique::placeholder{color:var(--text-muted)}#fenInput_unique:focus{border-color:var(--glass-border-hover);background:var(--glass-bg-hover);outline:none}#scanStatus_unique{color:var(--text-muted);text-align:center;min-width:60px;font-size:10px}#evalBar_unique{background:var(--glass-bg);width:24px;height:480px;-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-top-color:var(--glass-border-top);box-shadow:var(--glass-shadow-sm);border-radius:12px;flex-direction:column;justify-content:flex-end;margin-right:15px;display:flex;position:relative;overflow:hidden}#evalFill_unique{background:linear-gradient(#ffffffb3,#ffffffe6);border-radius:0 0 11px 11px;width:100%;transition:height .3s}#evalText_unique{text-align:center;width:100%;color:var(--text-secondary);font-size:9px;font-weight:600;position:absolute;top:8px}.eval-marker{color:var(--text-muted);font-size:9px;position:absolute;left:-22px}.eval-marker.zero{top:50%;transform:translateY(-50%)}.eval-marker.plus-one{top:40%;transform:translateY(-50%)}.eval-marker.minus-one{top:60%;transform:translateY(-50%)}#pieceRow_unique{touch-action:none;-webkit-user-select:none;user-select:none;justify-content:center;gap:4px;width:480px;height:44px;margin:0 auto;display:flex}#pieceRow_unique img{width:70%;height:70%}.pieceSlot{background:var(--glass-bg);width:44px;height:44px;-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-top-color:var(--glass-border-top);box-shadow:var(--glass-shadow-sm);cursor:grab;border-radius:12px;justify-content:center;align-items:center;transition:all .2s;display:flex}.pieceSlot:hover{background:var(--glass-bg-hover);border-color:var(--glass-border-hover)}#promotionModal_unique{-webkit-backdrop-filter:blur(40px);z-index:100;background:linear-gradient(145deg,#1e1e28f2 0%,#14141ee6 100%);border:1px solid #ffffff26;border-radius:20px;padding:20px;display:none;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:inset 0 1px 1px #ffffff1a,0 25px 50px #00000080}#promotionModal_unique .pieceSlot{cursor:pointer;margin:5px}.highlight{box-sizing:border-box;pointer-events:none;border:3px solid #22c55e;border-radius:4px;width:100%;height:100%;position:absolute}.last-move{box-sizing:border-box;pointer-events:none;z-index:9;border:3px solid #facc15;border-radius:4px;width:100%;height:100%;position:absolute}.legal-move{pointer-events:none;z-index:10;background-color:#ffffff40;border-radius:50%;width:20px;height:20px;position:absolute}.selected-square{box-sizing:border-box;pointer-events:none;z-index:8;background-color:#3b82f666;width:100%;height:100%;position:absolute}.square .in-check,.square .checkmate{pointer-events:none;z-index:12;width:100%;height:100%;position:absolute;top:0;bottom:0;left:0;right:0}.in-check{animation:.8s infinite checkFlash;background-color:#ef444480!important}.checkmate{background-color:#ef4444cc!important}@keyframes checkFlash{0%,to{background-color:#ef444480}50%{background-color:#ef444433}}.rank-label,.file-label{color:var(--text-secondary);pointer-events:none;z-index:5;font-size:11px;font-weight:600;position:absolute}.rank-label{text-align:center;width:20px;left:-18px;transform:translateY(-50%)}.file-label{text-align:center;height:15px;bottom:-18px;transform:translate(-50%)}.inner-rank,.inner-file{pointer-events:none;z-index:5;color:#ffffffb3;font-size:9px;font-weight:600;display:none;position:absolute}.inner-rank{top:1px;left:1px}.inner-file{bottom:0;right:2px}.square.light .inner-rank,.square.light .inner-file{color:#0006}.square.dark .inner-rank,.square.dark .inner-file{color:#ffffff80}@media (max-width:600px){#evalBar_unique{display:none!important}#container_unique{box-sizing:border-box!important;flex-direction:column!important;justify-content:center!important;align-items:center!important;width:100%!important;max-width:100vw!important;margin:0 auto!important;padding:0!important;display:flex!important;overflow-x:hidden!important}#pieceRow_unique{box-sizing:border-box!important;grid-template-columns:repeat(10,1fr)!important;gap:2px!important;width:90vw!important;max-width:400px!important;height:auto!important;margin:0 auto 8px!important;padding:0!important;display:grid!important}#pieceRow_unique .pieceSlot{aspect-ratio:1!important;box-sizing:border-box!important;border-radius:4px!important;justify-content:center!important;align-items:center!important;width:100%!important;min-width:0!important;height:auto!important;margin:0!important;padding:0!important;display:flex!important}#pieceRow_unique .pieceSlot img{width:70%!important;height:70%!important}#boardContainer_unique{box-sizing:border-box!important;flex-direction:column!important;justify-content:center!important;align-items:center!important;width:100%!important;padding:0!important;display:flex!important}#board_unique{box-sizing:border-box!important;border:none!important;grid-template-rows:repeat(8,1fr)!important;grid-template-columns:repeat(8,1fr)!important;width:90vw!important;max-width:400px!important;height:90vw!important;max-height:400px!important;margin:6px auto!important;display:grid!important;box-shadow:0 4px 16px #0000004d!important}#board_unique .square{width:100%!important;height:100%!important}#board_unique .rank-label,#board_unique .file-label{display:none!important}#board_unique .inner-rank,#board_unique .inner-file{display:block!important}#rightPanel_unique{flex-direction:row!important;justify-content:center!important;gap:10px!important;width:100%!important;margin:10px 0!important}#controls_unique{grid-template-columns:repeat(4,1fr)!important;gap:6px!important;width:90vw!important;max-width:400px!important;margin:10px auto!important;display:grid!important}#controls_unique button{width:100%!important;padding:10px 4px!important;font-size:10px!important}#fenControls_unique{justify-content:center!important;gap:6px!important;width:100%!important;max-width:none!important;margin:10px 0!important;display:flex!important}#fenControls_unique button{padding:10px!important;font-size:10px!important}#fenInput_unique{width:80px!important;padding:10px 8px!important;font-size:10px!important}#scanStatus_unique{display:none!important}}#difficultyControl_unique{align-items:center;gap:10px;width:min(400px,90%);margin:8px auto;display:flex}#difficultyLabelLeft_unique{color:var(--text-muted);white-space:nowrap;font-size:11px}#difficultyValue_unique{color:var(--text-primary);min-width:32px;font-family:monospace;font-size:14px;font-weight:600}#difficultySlider_unique{-webkit-appearance:none;appearance:none;cursor:pointer;background:linear-gradient(90deg,#6b7280 0% 23%,#f59e0b 23% 100%);border-radius:3px;outline:none;flex:1;height:6px}#difficultySlider_unique::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;cursor:grab;background:linear-gradient(135deg,#6366f1,#8b5cf6);border:2px solid #ffffff4d;border-radius:50%;width:16px;height:16px;transition:transform .15s;box-shadow:0 2px 6px #6366f166}#difficultySlider_unique::-webkit-slider-thumb:hover{transform:scale(1.1)}#difficultySlider_unique::-webkit-slider-thumb:active{cursor:grabbing}#difficultySlider_unique::-moz-range-thumb{cursor:grab;background:linear-gradient(135deg,#6366f1,#8b5cf6);border:2px solid #ffffff4d;border-radius:50%;width:16px;height:16px;box-shadow:0 2px 6px #6366f166}#difficultyLabel_unique{color:var(--text-secondary);text-align:right;min-width:60px;font-size:12px;font-weight:500}@media (max-width:600px){#difficultyControl_unique{justify-content:center;gap:6px;width:100%!important;max-width:none!important;margin:6px 0!important}#difficultyLabelLeft_unique{font-size:11px}#difficultyValue_unique{min-width:30px;font-size:12px}#difficultySlider_unique{flex:1;min-width:60px}#difficultyLabel_unique{min-width:50px;font-size:11px}}#humanToggleContainer_unique{border-left:1px solid #ffffff1a;align-items:center;gap:6px;margin-left:8px;padding-left:10px;display:flex}#humanToggleLabel_unique{color:var(--text-secondary);cursor:pointer;-webkit-user-select:none;user-select:none;font-size:12px;font-weight:500}#humanToggle_unique{-webkit-appearance:none;appearance:none;cursor:pointer;background:#64646466;border-radius:8px;width:32px;height:16px;transition:background .2s;position:relative}#humanToggle_unique:before{content:"";background:#fff;border-radius:50%;width:12px;height:12px;transition:transform .2s;position:absolute;top:2px;left:2px;box-shadow:0 1px 3px #0000004d}#humanToggle_unique:checked{background:linear-gradient(135deg,#6366f1,#8b5cf6)}#humanToggle_unique:checked:before{transform:translate(16px)}@media (max-width:600px){#humanToggleContainer_unique{gap:5px;margin-left:6px;padding-left:8px}#humanToggleLabel_unique{font-size:11px}#humanToggle_unique{width:30px;height:16px}#humanToggle_unique:before{width:12px;height:12px}#humanToggle_unique:checked:before{transform:translate(14px)}}.captured-row{box-sizing:border-box;background:0 0;border-radius:6px;align-items:center;width:480px;height:28px;min-height:28px;padding:0 8px;display:flex}#capturedTop_unique{margin-bottom:8px}#capturedBottom_unique{margin-top:30px}.captured-pieces{flex-wrap:nowrap;align-items:center;gap:2px;display:flex}.captured-piece{filter:drop-shadow(0 1px 2px #00000080)drop-shadow(0 0 1px #ffffff4d);width:22px;height:22px}.material-advantage{color:#ffffffe6;text-shadow:0 1px 3px #000c;margin-left:6px;font-size:13px;font-weight:600}@media (max-width:480px){.captured-row{width:100%;max-width:320px;height:24px;min-height:24px}#capturedTop_unique{margin-bottom:2px}#capturedBottom_unique{margin-top:2px}.captured-piece{width:18px;height:18px}.material-advantage{font-size:11px}}.captured-timer-row{justify-content:space-between;align-items:center;width:480px;margin:8px 0;display:flex}.chess-timer{color:#ffffffb3;text-align:center;background:#0006;border-radius:8px;min-width:70px;padding:6px 14px;font-family:JetBrains Mono,Fira Code,monospace;font-size:20px;font-weight:700;transition:all .3s}.chess-timer.active{color:#10b981;background:#10b98133;box-shadow:0 0 15px #10b9814d}@media (max-width:520px){.captured-timer-row{width:100%;max-width:320px;margin:4px 0}.chess-timer{min-width:60px;padding:4px 10px;font-size:16px}}.king-win{pointer-events:none;z-index:1;background:#22c55e80;width:100%;height:100%;position:absolute;top:0;left:0}.premium-btn{border-color:#f59e0b66!important}.premium-btn svg:first-child{color:#f59e0b!important}