:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}body{margin:0}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}.app-container{color:#fff;background-color:#242424;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;font-family:sans-serif;display:flex}h1{margin-bottom:20px}.chess-game{width:min(92vw,508px);padding-block:24px}.game-toolbar{justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;display:flex}.game-status{text-align:left;color:#f5f5f5}.board{box-sizing:border-box;aspect-ratio:1;border:4px solid #403d39;grid-template-rows:repeat(8,minmax(0,1fr));grid-template-columns:repeat(8,minmax(0,1fr));width:100%;display:grid;box-shadow:0 4px 8px #0003}.square{cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;border:0;border-radius:0;justify-content:center;align-items:center;min-width:0;padding:0;transition:box-shadow .18s;display:flex;position:relative}.light{background-color:#ebecd0}.dark{background-color:#739552}.square.last-move{box-shadow:inset 0 0 0 100px #f6da4b40}.square.selected{box-shadow:inset 0 0 0 100px #f6da4b94}.square:disabled{cursor:default}.square:focus-visible{outline-offset:-3px;outline:3px solid #202020}.square.legal-destination:hover{outline-offset:-3px;outline:3px solid #c52b32}.square.draggable-square{cursor:grab;touch-action:none}.board.is-dragging .square{cursor:grabbing}.square.drop-target{outline-offset:-3px;outline:3px solid #c52b32}.dragged-piece{z-index:100;pointer-events:none;-webkit-user-select:none;user-select:none;position:fixed;top:0;left:0}.dragged-piece img{transform-origin:50% -2px;filter:drop-shadow(0 12px 6px #0006);width:100%;height:100%}.piece-img{z-index:2;pointer-events:none;-webkit-user-select:none;user-select:none;filter:drop-shadow(0 4px 2px #0000004d);width:90%;height:90%;transition:scale .12s;position:absolute}.square:not(:disabled):active .piece-img{scale:.96}.move-hint{z-index:3;aspect-ratio:1;pointer-events:none;background-color:#c52b32;border-radius:50%;width:22%;position:absolute}.capture-hint{top:7%;right:7%;box-shadow:0 0 0 2px #ebecd0}.game-help{color:#ccc;margin-top:14px;font-size:.85rem}.reset-button{color:#fff;min-height:44px;font:inherit;cursor:pointer;background:#353535;border:1px solid #686868;border-radius:6px;flex-shrink:0;padding:8px 12px;font-size:.8rem;transition:background-color .12s,transform .12s}.reset-button:hover{background:#484848}.reset-button:active{transform:scale(.96)}.reset-button:focus-visible{outline-offset:3px;outline:2px solid #f4d44a}@media (prefers-reduced-motion:reduce){.square,.piece-img,.reset-button{transition:none}.square:not(:disabled):active .piece-img{scale:1}}