.overlay-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
    opacity: 1;
    visibility: visible;
}

    .overlay-container.hidden {
        opacity: 0;
        visibility: hidden;
    }

.overlay-content {
    text-align: center;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

.overlay-content h2 {
    font-size: 1.5rem;
    font-weight: 500;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}