#global-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
}

.loader .spinner {
    border: 8px solid #f3f3f3; 
    border-top: 8px solid #3498db; 
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 2s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.btn-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: #007bff; 
    font-size: 30px;
    transition: transform 0.2s;
    
}

.btn-toggle:hover {
    transform: scale(1.1);
}