/* Add these styles to your existing CSS */
        .overlay-container {
        position: relative;
        width: 100%;
        height: 100vh;
    }

    .overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        display: none;
        justify-content: center;
        align-items: center;
        z-index: 9999;
        opacity: 0;
        transition: opacity 0.3s ease-in-out;
    }

    .overlay.active {
        display: flex;
        opacity: 1;
    }

    .loader {
        width: 16px;
        height: 16px;
        box-shadow: 0 30px, 0 -30px;
        border-radius: 4px;
        background: currentColor;
        display: block;
        margin: -50px auto 0;
        position: relative;
        color: #FFF;
        transform: translateY(30px);
        box-sizing: border-box;
        animation: animloader 2s ease infinite;
    }

    .loader::after,
    .loader::before {
        content: '';
        box-sizing: border-box;
        width: 16px;
        height: 16px;
        box-shadow: 0 30px, 0 -30px;
        border-radius: 4px;
        background: currentColor;
        color: #FFF;
        position: absolute;
        left: 30px;
        top: 0;
        animation: animloader 2s 0.2s ease infinite;
    }

    .loader::before {
        animation-delay: 0.4s;
        left: 60px;
    }

    @keyframes animloader {
        0% {
            top: 0;
            color: white;
        }

        50% {
            top: 30px;
            color: rgba(255, 255, 255, 0.2);
        }

        100% {
            top: 0;
            color: white;
        }
    }