/* static/css/infinite-scroll.css */
.loading-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px 20px;
    text-align: center;
    gap: 10px;
    color: #666;
}

.loading-spinner .spinner {
    width: 24px;
    height: 24px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.end-message {
    text-align: center;
    padding: 30px 20px;
    color: #999;
    font-style: italic;
    border-top: 1px solid #eee;
    margin-top: 20px;
}

#scroll-error {
    margin: 20px 0;
    padding: 15px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

#scroll-error .btn {
    white-space: nowrap;
}

/* Анимация появления новых карточек */
.catalog-card {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}