body{font-family:Arial,sans-serif;display:flex;justify-content:center;align-items:center;min-height:100vh;background-color:#f0f0f0;margin:0;padding:20px}.container{text-align:center;padding:20px;border:1px solid #ccc;border-radius:8px;background-color:#fff;box-shadow:0 4px 8px #0000001a}h1{color:#333}.controls{margin-bottom:20px;display:flex;justify-content:center;align-items:center;gap:20px;flex-wrap:wrap}.input-group{display:flex;align-items:center;gap:5px}#points-input{width:60px;text-align:center;padding:5px}button{padding:8px 15px;font-size:16px;cursor:pointer;border:none;border-radius:4px;background-color:#007bff;color:#fff;transition:background-color .3s}button:hover:not(:disabled){background-color:#0056b3}button:disabled{background-color:#ccc;cursor:not-allowed}.playground{width:500px;height:500px;border:2px solid #333;position:relative;margin:0 auto;overflow:hidden}.point{position:absolute;width:50px;height:50px;border-radius:50%;background-color:#007bff;color:#fff;display:flex;justify-content:center;align-items:center;cursor:pointer;font-size:20px;box-shadow:0 2px 4px #0003;transition:transform .2s,background-color .2s}.point.correct{background-color:#28a745}.point.incorrect{background-color:#dc3545}.point.hidden{opacity:0;transform:scale(0);transition:opacity .5s,transform .5s}.game-status{margin-top:10px;font-weight:700;font-size:24px}