:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;--app-bg: #151515;--text: #1a1a1a;--surface: #ccc;--cell-border-color: #bbb;--isopen: steelblue;--ishome: #FF595E;--red: #5A1807;--green: #A7D49B;--btn-color: #151515;--btn-active: #555;--new-btn: #2C6E49;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);border-radius:1rem}.row{display:flex}.cell{--cell-size: 2rem;display:flex;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);-webkit-user-select:none;user-select:none;cursor:default;position:relative;box-sizing:border-box}.cell.smaller-cell{--cell-size: 1.5rem}.isO{width:100%;height:100%;background-color:var(--isopen);border-style:solid;border-width:2.25px;border-top-color:var(--isopen);border-left-color:var(--isopen);border-right-color:var(--isopen);border-bottom-color:var(--isopen)}.home{width:100%;height:100%;background-color:var(--ishome);border-style:solid;border-width:2.25px;border-top-color:var(--ishome);border-left-color:var(--ishome);border-right-color:var(--ishome);border-bottom-color:var(--ishome)}.cell.on-place{position:relative}.on-place:after{content:"*";position:absolute;top:65%;left:50%;transform:translate(-50%,-50%)}.cell.empty-cell{position:relative}.empty-cell:after{content:".";position:absolute;top:25%;left:50%;transform:translate(-50%,-50%)}.red{width:100%;height:100%;background-color:var(--red);border-style:solid;border-width:2.25px;border-color:var(--red);box-sizing:border-box;position:relative}.red:after{content:"*";color:#fff;position:absolute;top:65%;left:50%;transform:translate(-50%,-50%)}.green{width:100%;height:100%;background-color:var(--green);border-style:solid;border-width:2.25px;border-color:var(--green);box-sizing:border-box;position:relative}.green:after{content:"*";color:#fff;position:absolute;top:65%;left:50%;transform:translate(-50%,-50%)}.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:.25em 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:.25rem .5rem;font-size:.75rem;border-radius:.25rem;font-weight:700}header{display:flex;justify-content:space-between;align-items:center;padding:.5rem 0;font-weight:700;font-size:1rem;white-space:nowrap}.game-header{display:flex;justify-content:space-between;align-items:center;padding:10px;margin-bottom:20px}.round-display{display:flex;flex-direction:column;align-items:center}.round-counter{font-size:1.2rem;font-weight:700;margin-bottom:5px}.new-round-button{background-color:var(--new-btn);color:#fff;border:none;padding:8px 16px;border-radius:4px;cursor:pointer;font-weight:700;transition:background-color .3s}.new-round-button:hover{background-color:#45a049}.final-score-overlay{position:fixed;top:0;left:0;right:0;bottom:0;display:flex;justify-content:center;align-items:center;z-index:100;pointer-events:none}.final-score-container{background-color:var(--surface);border-radius:1rem;padding:2rem;box-shadow:0 4px 12px #0000004d;display:flex;flex-direction:column;align-items:center;justify-content:center;pointer-events:auto;max-width:80%;-webkit-user-select:none;user-select:none}.final-score-container.dragging{opacity:.9;box-shadow:0 8px 16px #0006;transition:box-shadow .2s,opacity .2s}.drag-handle{position:absolute;top:0;left:0;right:0;height:30px;background-color:var(--new-btn);border-top-left-radius:1rem;border-top-right-radius:1rem;cursor:grab;display:flex;align-items:center;justify-content:center}.drag-handle:active{cursor:grabbing}.drag-instructions{color:#fff;font-size:.8rem;opacity:.9}.final-score{margin:1.5rem 0;padding:1rem 2rem;background-color:#f0f0f0;border-radius:8px;box-shadow:0 2px 4px #0000001a}.new-game-button{background-color:var(--new-btn);color:#fff;border:none;padding:12px 24px;border-radius:4px;cursor:pointer;font-weight:700;font-size:1rem;transition:background-color .3s}.new-game-button:hover{background-color:#45a049}.game-status{display:flex;flex-direction:column;align-items:flex-start}.total-score{font-size:.9rem;opacity:.9}.past-visit-ring{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);border-radius:50%;border-style:solid;border-width:3px;box-sizing:border-box;pointer-events:none;z-index:5;opacity:.8}.past-visit-ring:nth-of-type(1){width:90%;height:90%}.past-visit-ring:nth-of-type(2){width:75%;height:75%}.past-visit-ring:nth-of-type(3){width:60%;height:60%}.past-visit-ring:nth-of-type(4){width:45%;height:45%}.past-visit-ring:nth-of-type(5){width:30%;height:30%}