/* course_list.css */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8f9fa;
    color: #333;
}
a {
    text-decoration: none;
    color: inherit;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.main-content {
    width: 100%;
}

.breadcrumb {
    padding: 0;
    margin-bottom: 20px;
    list-style: none;
    background-color: transparent;
}

.breadcrumb-item {
    display: inline;
    font-size: 14px;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: ">";
    padding: 0 5px;
}

.breadcrumb-item a {
    text-decoration: none;
    color: #333;
}

.breadcrumb-item a:hover {
    text-decoration: underline;
}

.page-title {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.course-card {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.course-card:hover {
    transform: translateY(-5px);
}

.course-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.course-info {
    padding: 15px;
}

.course-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
    color: #333;
}

.course-description {
    font-size: 14px;
    color: #666;
    margin-bottom: 10px;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.course-tag {
    background-color: #e9ecef;
    color: #495057;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 12px;
}

.course-date {
    font-size: 12px;
    color: #666;
}

.section-title {
    font-size: 20px;
    margin-bottom: 20px;
    color: #333;
}

.special-courses {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.special-course-item {
    background-color: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.special-course-item:hover {
    transform: translateY(-5px);
}

.special-course-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: linear-gradient(45deg, #f3f4f6 25%, transparent 25%, transparent 75%, #f3f4f6 75%, #f3f4f6),
                      linear-gradient(45deg, #f3f4f6 25%, transparent 25%, transparent 75%, #f3f4f6 75%, #f3f4f6);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
    opacity: 0.1;
    z-index: 0;
}

.special-course-item h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
    position: relative;
    z-index: 1;
}

.special-course-item p {
    font-size: 14px;
    color: #666;
    position: relative;
    z-index: 1;
}

.special-course-item::after {
    content: '';
    position: absolute;
    bottom: -10px;
    right: -10px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #f0f0f0 0%, #e0e0e0 100%);
    border-radius: 50%;
    opacity: 0.6;
    z-index: 0;
}


@media (max-width: 768px) {
    .course-grid {
        grid-template-columns: 1fr;
    }
    
    .special-courses {
        grid-template-columns: 1fr;
    }
}