*{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;height:100%;overflow:hidden;background:#0a0a2e}#root{display:flex;justify-content:center;align-items:center}#game-container{width:100%;height:100%;max-width:400px}#game-container canvas{display:block;touch-action:none}.ranking-modal-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#0009;display:flex;justify-content:center;align-items:center;z-index:100;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.ranking-modal{background:#fff;padding:30px;border-radius:12px;width:90%;max-width:400px;text-align:center;box-shadow:0 4px 20px #0000004d;display:flex;flex-direction:column;gap:15px}.ranking-modal h2{margin:0;color:#333;font-size:24px}.ranking-score{font-size:28px;font-weight:700;color:#f39c12;margin:0}.daily-limit-info{font-size:14px;color:#666;margin:0}.limit-reached{color:#e74c3c;font-weight:700}.ranking-form{display:flex;flex-direction:column;gap:15px;margin-top:10px}.nickname-input{padding:12px;font-size:16px;border:2px solid #ddd;border-radius:8px;text-align:center}.nickname-input:focus{outline:none;border-color:#3498db}.ranking-buttons{display:flex;gap:10px}.cancel-button{flex:1;padding:12px;background:#e0e0e0;color:#333;border:none;border-radius:8px;font-weight:700;cursor:pointer}.cancel-button:hover{background:#d0d0d0}.submit-button{flex:1;padding:12px;background:#3498db;color:#fff;border:none;border-radius:8px;font-weight:700;cursor:pointer}.submit-button:hover{background:#2980b9}.submit-button:disabled{background:#95a5a6;cursor:not-allowed}.status-message{margin:0;font-weight:700;color:#e74c3c}.offline-message{background:#fff3cd;color:#856404;border:1px solid #ffc107;border-radius:8px;padding:10px 14px;font-size:14px;font-weight:700;margin:0;text-align:center}.top-container{width:100vw;height:100vh;display:flex;justify-content:center;align-items:center;background:#0a0a2e;color:#fff;font-family:"'Segoe UI', 'Helvetica Neue', sans-serif"}.top-content{text-align:center;padding:30px;background:#ffffff0d;border-radius:12px;box-shadow:0 4px 15px #00000080;max-width:400px;width:90%}.game-title{font-size:42px;margin-bottom:20px;color:#f1c40f;text-shadow:2px 2px 4px rgba(0,0,0,.8);letter-spacing:4px}.game-info{margin-bottom:30px;line-height:1.6}.description{font-size:16px;margin-bottom:20px;color:#ddd}.controls{background:#0000004d;padding:15px;border-radius:8px;border:1px solid rgba(255,255,255,.1)}.controls h2{font-size:18px;margin-bottom:10px;color:#3498db}.controls ul{list-style-type:none;padding:0;text-align:left;display:inline-block}.controls li{font-size:15px;margin-bottom:8px;position:relative;padding-left:20px}.controls li:before{content:"✦";position:absolute;left:0;color:#f1c40f}.play-button{display:inline-block;background:#e74c3c;color:#fff;text-decoration:none;font-size:20px;font-weight:700;padding:12px 40px;border-radius:30px;box-shadow:0 4px 6px #0000004d;transition:all .2s ease;border:2px solid transparent}.play-button:hover{background:#c0392b;transform:translateY(-2px);box-shadow:0 6px 12px #0006}.play-button:active{transform:translateY(1px);box-shadow:0 2px 4px #0000004d}.button-group{display:flex;flex-direction:column;gap:15px;align-items:center}.ranking-btn{background-color:#f39c12}.ranking-btn:hover{background-color:#d35400}.ranking-page-container{display:flex;justify-content:center;align-items:center;height:100vh;width:100vw;background:linear-gradient(135deg,#2c3e50,#3498db);overflow:hidden}.ranking-content{background:#fffffff2;padding:30px;border-radius:12px;width:90%;max-width:450px;text-align:center;box-shadow:0 4px 20px #0003}.ranking-title{margin:0 0 20px;color:#d35400;font-size:28px;font-weight:700}.loading-text,.no-data{font-size:18px;color:#7f8c8d;margin:30px 0}.leaderboard-list{display:flex;flex-direction:column;gap:6px;margin-bottom:30px}.leaderboard-item{display:flex;align-items:center;justify-content:space-between;background:#f8f9fa;padding:6px 15px;border-radius:8px;border-left:5px solid #3498db;font-size:16px;font-weight:700}.rank-number{width:32px;text-align:left;color:#555;font-size:18px}.player-name{flex:1;text-align:left;color:#2c3e50;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.player-score{color:#e67e22}.back-button{display:inline-block;background:#34495e;color:#fff;text-decoration:none;padding:12px 24px;border-radius:25px;font-weight:700;font-size:16px;transition:transform .2s,background .2s}.back-button:hover{background:#2c3e50;transform:scale(1.05)}.offline-message{background:#fff3cd;color:#856404;border:1px solid #ffc107;border-radius:8px;padding:15px 20px;font-size:16px;font-weight:700;margin:20px 0;text-align:center}