*{box-sizing:border-box}:root{--background-color: #242424;--background-color-contrast: #1a1a1a;--text-color: rgba(255, 255, 255, .87);--border-color: #d0cfcf;--button-background-color: #1a1a1a;--a-hover-color: #646cff;font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:var(--text-color);background-color:var(--background-color);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme: light){:root{--background-color: #ffffff;--background-color-contrast: #f9f9f9;--text-color: #213547;--border-color: #d0cfcf;--button-background-color: #c9c8c8;--a-hover-color: #747bff}}input::-webkit-outer-spin-button,input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}input[type=number]{-moz-appearance:textfield}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:var(--a-hover-color)}html,body{margin:0;padding:0;width:100%;height:100%}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:var(--button-background-color);cursor:pointer;transition:border-color .25s}button:hover{border-color:var(--a-hover-color)}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}#root{text-align:center}.buttons{margin-bottom:.5rem;font-size:1.5rem;display:flex;flex-direction:row;justify-content:space-around}.buttons button{flex-basis:25%}.app{margin:0 auto;padding:1rem;display:inline-block}.cell{display:inline-block;width:5rem;height:5rem;font-family:Courier New,Courier,monospace;overflow:hidden;resize:none;border:1px solid var(--border-color);position:relative;text-align:center}.cell__options{position:absolute;top:0;left:0;width:100%;height:100%;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);background-color:var(--background-color-contrast);font-size:1rem;font-weight:700}.cell__options>span:nth-child(1){color:#ff4d4d}.cell__options>span:nth-child(2){color:#ffae42}.cell__options>span:nth-child(3){color:#ffea70}.cell__options>span:nth-child(4){color:#4cd964}.cell__options>span:nth-child(5){color:#5c85ff}.cell__options>span:nth-child(6){color:#b266ff}.cell__options>span:nth-child(7){color:#f7f}.cell__options>span:nth-child(8){color:#d27f63}.cell__options>span:nth-child(9){color:#bfbfbf}@media (prefers-color-scheme: light){.cell__options>span:nth-child(1){color:#d43f3f}.cell__options>span:nth-child(2){color:#e68a2e}.cell__options>span:nth-child(3){color:#e6c34d}.cell__options>span:nth-child(4){color:#36b36b}.cell__options>span:nth-child(5){color:#4a75d3}.cell__options>span:nth-child(6){color:#9057d8}.cell__options>span:nth-child(7){color:#d455d4}.cell__options>span:nth-child(8){color:#b06b50}.cell__options>span:nth-child(9){color:#666}}.cell__input{position:absolute;width:100%;height:100%;font-size:inherit;text-align:center;background-color:transparent;border:none;color:inherit;top:0;left:0;font-size:4rem;margin:0;padding:0}.cell__input:read-only{background-color:#1a1a1a}.cell:first-child{border-left:3px solid var(--border-color)}.row{display:flex;flex-direction:row;flex-wrap:nowrap}.row:first-child{border-top:3px solid var(--border-color)}.game--4 .cell:nth-of-type(2n){border-right:3px solid var(--border-color)}.game--4 .row:nth-of-type(2n){border-bottom:3px solid var(--border-color)}.game--9 .cell:nth-of-type(3n){border-right:3px solid var(--border-color)}.game--9 .row:nth-of-type(3n){border-bottom:3px solid var(--border-color)}.game--16 .cell:nth-of-type(4n){border-right:3px solid var(--border-color)}.game--16 .row:nth-of-type(4n){border-bottom:3px solid var(--border-color)}