:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;--surface: #ccc;--surface-light: #eee;--app-bg: #ffffff;--text: #1a1a1a;--cell-border-color: #bbb;--one: blue;--two: green;--three: red;--four: orange;--five: purple;--six: pink;--seven: yellow;--eight: brown;--overlay-light: #fff;--overlay-mid: #ccc;--overlay-dark: #aaa;--btn-color: #151515;--btn-active: #555;background-color:var(--app-bg);color:var(--text);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}#root{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}.game{padding:.5rem 1.5rem;background-color:var(--surface-light);box-shadow:0 0 10px #0000001a;border:solid 1px var(--cell-border-color);border-radius:1rem}.board-container{display:flex;justify-content:center}.row{display:flex}.cell{--cell-size: 2rem;display:flex;justify-self:center;justify-content:center;align-items:center;font-size:calc(var(--cell-size) * .75);font-weight:700;width:var(--cell-size);height:var(--cell-size);border:solid 1px var(--cell-border-color);border-radius:3px;-webkit-user-select:none;user-select:none;cursor:default;position:relative;box-sizing:border-box}.cell.one{color:var(--one)}.cell.two{color:var(--two)}.cell.three{color:var(--three)}.cell.four{color:var(--four)}.cell.five{color:var(--five)}.cell.six{color:var(--six)}.cell.seven{color:var(--seven)}.cell.eight{color:var(--eight)}.cell.small{--cell-size: 1.5rem;font-size:calc(var(--cell-size) * .75)}.overlay-debug{width:100%;height:100%;position:absolute;background-color:var(--overlay-mid);border-style:solid;border-width:2px;border-radius:3px;border-color:var(--overlay-mid);box-sizing:border-box;display:flex;justify-content:center;align-items:center;box-shadow:3px 3px 8px #0003;opacity:.5}.overlay{width:100%;height:100%;position:absolute;background-color:var(--overlay-mid);border-style:solid;border-width:2px;border-radius:3px;border-color:var(--overlay-mid);box-sizing:border-box;display:flex;justify-content:center;align-items:center;box-shadow:3px 3px 8px #0003}.flag{display:none}.flag.active{display:block}.select-level{display:flex;list-style-type:none;padding-left:0;gap:.5rem;margin-top:1rem;margin-bottom:0}.select-level li{flex-grow:1}.select-level button{width:100%;display:flex;padding:.25rem 1rem;justify-content:center;border-radius:.25rem;transition:background-color .15s;text-transform:capitalize}.select-level button.active{background-color:var(--btn-active)}button{background-color:var(--btn-color);color:var(--surface);border:none;padding:.5rem 1rem;margin:.5rem .5rem 0;border-radius:.25rem;cursor:pointer;font-size:1rem;font-weight:700;transition:background-color .15s}header{display:flex;justify-content:space-between;align-items:center;padding:.5rem 0;font-weight:700;font-size:1rem;white-space:nowrap}.win{color:var(--one)}.game-over{color:var(--three)}.header-labels{display:flex;align-items:center;gap:.25em}.footer-bar{display:flex;justify-content:center;align-items:center;padding:.5rem 0;font-weight:700;font-size:1rem;white-space:nowrap}.custom-modal{display:flex;flex-direction:column;justify-content:center;align-items:center;background-color:var(--surface-light);border:solid 1px var(--cell-border-color);box-shadow:0 0 10px #0000001a;padding:5rem;margin:10rem auto;width:fit-content;height:fit-content;border-radius:2.5rem}.modal-column{display:flex;flex-direction:column;gap:1rem}.modal-row{display:flex;justify-content:center;gap:1rem}.modal-label{display:flex;justify-content:center;flex-direction:column;text-align:center}.modal-input{width:4rem;height:2rem;text-align:center;border-radius:.25rem;border:solid 1px var(--cell-border-color)}