.hidden{display:none}.size-select-container{margin-bottom:20px;background-color:#ffffffe6;padding:20px;border-radius:15px;box-shadow:0 4px 12px #0003;position:relative;z-index:1001}.size-select-title{color:#333;font-size:24px;margin-bottom:15px;text-align:center;font-weight:700;text-shadow:1px 1px 2px rgba(255,255,255,.5)}.size-button-group{display:flex;gap:15px;justify-content:center}.size-button{padding:12px 25px;font-size:20px;background-color:#fff;color:#333;border:2px solid #4CAF50;border-radius:8px;cursor:pointer;transition:all .3s ease;font-weight:700;min-width:100px;box-shadow:0 4px 8px #00000026}.size-button:hover{background-color:#e8f5e9;border-color:#2e7d32;color:#2e7d32;transform:scale(1.05);box-shadow:0 6px 12px #4caf5033}.size-button.selected{background-color:#2e7d32;border-color:#2e7d32;color:#fff;transform:scale(1.05);box-shadow:0 6px 12px #0000004d}#startButton{padding:20px 40px;font-size:26px;background-color:#4caf50;color:#fff;border:none;border-radius:12px;cursor:pointer;box-shadow:0 6px 12px #0003;transition:all .3s ease;font-weight:700;text-transform:uppercase;letter-spacing:1px}#startButton:hover{background-color:#45a049;transform:scale(1.05);box-shadow:0 8px 16px #0000004d}.start-button-container{position:fixed;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:row;justify-content:center;align-items:center;background-color:#000000b3;z-index:1000;gap:40px}.game-rules{background-color:#ffffffe6;padding:25px;border-radius:15px;box-shadow:0 4px 12px #0003;max-width:400px;width:100%}.game-rules-title{color:#333;font-size:24px;margin-bottom:20px;text-align:center;font-weight:700;text-shadow:1px 1px 2px rgba(255,255,255,.5)}.game-rules-content{color:#444;font-size:16px;line-height:1.6}.game-rules-section{margin-bottom:15px}.game-rules-section-title{color:#4caf50;font-size:18px;font-weight:700;margin-bottom:8px}.game-rules-list{list-style-type:disc;padding-left:20px;margin:8px 0}.game-rules-list li{margin-bottom:5px}.reset-camera-button{position:fixed;top:300px;right:20px;padding:15px 30px;background-color:#0009;color:#fff;border:none;border-radius:5px;cursor:pointer;font-size:18px;transition:all .3s ease;z-index:1000}.reset-camera-button:hover{background-color:#000c;transform:scale(1.05)}