.board-container{position:relative;background-color:#8b4513;border-radius:5px;margin:40px auto 0;width:100%;max-width:577px;height:577px;transform-origin:center center}.cnv{position:absolute;top:13px;left:13px;touch-action:none;max-width:100%;height:auto}.back-canvas{z-index:1;background-color:#ffffe0}.front-canvas{z-index:2;background-color:transparent}.label{position:absolute;z-index:3;background-color:#373737;padding:5px 10px;text-align:center;width:100px;height:20px;line-height:20px;color:#fff;font-family:sans-serif;font-size:12px;font-weight:700;border-radius:5px;margin:0 auto}.label-top{top:-10px;left:0;right:0}.label-bottom{bottom:-10px;left:40%}.toast{z-index:15;position:absolute;top:50%;transform:translateY(-50%);left:0;right:0;margin:0 auto;width:100px;height:50px;background-color:#ff0;color:#000;line-height:50px;border:2px solid black;border-radius:5px;text-align:center;font-weight:700}@media(max-width:600px){.board-container{width:100vw;max-width:100vw;height:100vw;max-height:100vw;margin-top:0}.cnv{width:calc(100vw - 26px)!important;height:calc(100vw - 26px)!important}.label{font-size:10px;padding:3px 8px;width:80px;height:18px;line-height:18px}}@media(max-width:400px){.board-container{width:100vw;height:100vw;margin-top:0;padding:0}.cnv{width:calc(100vw - 26px)!important;height:calc(100vw - 26px)!important;top:13px;left:13px}.label{font-size:9px;padding:2px 6px;width:70px;height:16px;line-height:16px}.label-top{top:-5px}.label-bottom{bottom:-5px}}.cnv{image-rendering:-webkit-optimize-contrast;image-rendering:crisp-edges;image-rendering:pixelated}.menu-box{z-index:10;position:absolute;margin:0 auto;left:0;right:0;top:50px;background-color:#fff;border:1px solid black;border-radius:5px;width:300px;height:100px;display:flex;align-items:center;justify-content:center}.btn{padding:10px;margin:20px;height:30px;line-height:30px;background-color:transparent;color:#000;border-radius:5px;cursor:pointer;font-family:sans-serif;font-size:15px;border:2px solid deepskyblue;text-align:center;-webkit-user-select:none;user-select:none}.btn:hover{background-color:#00bfff;color:#fff}.btn:active{transform:scale(.95)}@media(max-width:600px){.menu-box{width:250px;height:80px;top:30px}.btn{font-size:14px;padding:8px;margin:15px}}.game-container{text-align:center;overflow:hidden;width:100%;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background-color:#f5f5f5}.loading{display:flex;align-items:center;justify-content:center;height:100vh;font-size:18px;font-family:sans-serif}@media(max-width:600px){.game-container{padding:10px 0 0;min-height:100vh;height:100vh;overflow:hidden;justify-content:flex-start}}@media(max-width:400px){.game-container{width:100vw;height:100vh;overflow:hidden;padding:0;justify-content:center}}.game-container{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}.game-over-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#000c;display:flex;align-items:center;justify-content:center;z-index:1000}.game-over-box{background-color:#fff;border-radius:10px;padding:30px;max-width:500px;width:90%;text-align:center;box-shadow:0 4px 20px #0000004d}.game-over-box h2{margin:0 0 20px;color:#333;font-size:28px}.final-scores{display:flex;justify-content:space-around;margin:20px 0;gap:20px}.score-item{flex:1;padding:15px;background-color:#f5f5f5;border-radius:8px}.score-item h3{margin:0 0 10px;color:#333;font-size:18px}.score-item p{margin:5px 0;color:#666;font-size:16px}.winner{margin:20px 0;padding:15px;background-color:#4caf50;color:#fff;border-radius:8px}.winner h2{margin:0;color:#fff;font-size:24px}.restart-btn{margin-top:20px;padding:12px 30px;background-color:#00bfff;color:#fff;border:none;border-radius:5px;font-size:16px;font-weight:700;cursor:pointer;transition:background-color .3s}.restart-btn:hover{background-color:#00b3e6}.restart-btn:active{transform:scale(.95)}@media(max-width:600px){.final-scores{flex-direction:column}.game-over-box{padding:20px}}*{box-sizing:border-box;margin:0;padding:0}.App{width:100%;height:100vh;overflow:hidden}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow:hidden}#root{width:100%;height:100vh;overflow:hidden}canvas{display:block}