#ice-track {
    width: 100%;
    max-width: 380px;
    height: 120px;
    background: linear-gradient(to right, #e0f7fa, #b2ebf2);
    border: 2px solid #00BCD4;
    border-radius: 60px;
    position: relative;
    margin: 20px 0;
    overflow: hidden;
}
#target-house {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 4px solid #f44336;
    position: absolute;
    right: 10px;
    /* CENTRATURA PERFETTA: */
    top: 50%;
    transform: translateY(-50%);
    background: radial-gradient(circle, #f44336 20%, white 20%, white 40%, #2196F3 40%, #2196F3 60%, white 60%);
    box-sizing: border-box;
}
#stone {
    width: 30px;
    height: 30px;
    background-color: #757575;
    border: 4px solid #424242;
    border-radius: 50%;
    position: absolute;
    left: 10px;
    /* CENTRATURA PERFETTA: */
    top: 50%;
    transform: translateY(-50%);
    box-shadow: 2px 2px 5px rgba(0,0,0,0.3);
    z-index: 2;
}
#curling-controls {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 20px;
}
#launch-btn { background-color: #00BCD4; }
#sweep-btn { background-color: #FFC107; color: black; }