.courses-container {
    max-width: 1400px;
    margin: 0 auto;
}

.courses-filters {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    gap: 2rem;
}

.category-filters {
    flex: 1;
}

.category-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.category-link {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: #f5f5f5;
    color: #333;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.category-link:hover,
.category-link.active {
    background-color: var(--e-global-color-primary);
    color: white;
}

.course-type-opconetwork .category-link:hover,
.course-type-opconetwork .category-link.active {
    background-color: var(--e-global-color-a9676a3);
}

.search-box {
    flex: 0 0 300px;
}

.search-box input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
    position: relative;
}

.courses-grid.loading::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.7);
    z-index: 1;
}

.course-card {
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.course-thumbnail {
    position: relative;
    padding-top: 66.67%; /* 3:2 aspect ratio */
}

.course-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.course-content {
    padding: 1.25rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.course-title {
    line-height: 1.1;
}

.course-categories {
    margin-bottom: 0.75rem;
}

.course-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    font-size: 14px;
    color: var(--e-global-color-primary);
    font-weight: 600;
    transition: transform 0.3s ease;
}

.course-type-opconetwork .course-link {
    color: var(--e-global-color-a9676a3);
}

.course-link i {
    font-size: 25px;
    transition: transform 0.3s ease;
}

.course-link:hover i {
    transform: translateX(5px);
}

.courses-pagination {
    text-align: center;
    margin-top: 0;
}

.courses-pagination .page-numbers {
    display: inline-block;
    padding: 0.5rem 1rem;
    margin: 0 0.25rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-decoration: none;
    color: #333;
}

.courses-pagination .page-numbers.current {
    background: var(--e-global-color-primary);
    color: white;
    border-color: var(--e-global-color-primary);
}

.course-type-opconetwork .courses-pagination .page-numbers.current {
    background: var(--e-global-color-a9676a3);
    border-color: var(--e-global-color-a9676a3);
}

.courses-pagination .page-numbers:hover:not(.current) {
    background: #f0f0f0;
}

@media (max-width: 1200px) {
    .courses-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .courses-container {
        padding: 1rem;
    }
    .search-box {
        flex: unset;
    }

    .courses-filters {
        flex-direction: column;
    }

    .search-box,
    .category-filters select {
        width: 100%;
    }

    .courses-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}