.theme-switcher {
    position: relative;         
    top: 10px;              
    right: 10px;             
    background: rgba(75, 189, 22, 0.2); 
    border: none;
    border-radius: 50%;     
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 9999;    
    pointer-events: auto;     
}