.course-detail-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.course-detail-header {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.course-detail-image {
    flex: 0 0 400px;
}

.course-detail-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

.course-detail-info {
    flex: 1;
}

.course-detail-info h1 {
    font-size: 32px;
    margin: 0 0 16px;
    color: #333;
}

.course-school {
    font-size: 18px;
    color: #666;
    margin-bottom: 16px;
}

.course-badges {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
}

.badge {
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
}

.badge-primary {
    background: #007bff;
    color: white;
}

.badge-secondary {
    background: #6c757d;
    color: white;
}

.badge-success {
    background: #28a745;
    color: white;
}

.course-price-block {
    margin-bottom: 24px;
}

.current-price {
    font-size: 28px;
    font-weight: 600;
    color: #333;
    display: flex;
    align-items: center;
    gap: 12px;
}

.discount {
    font-size: 16px;
    color: #dc3545;
    font-weight: 500;
}

.old-price {
    font-size: 18px;
    color: #666;
    text-decoration: line-through;
    margin-top: 4px;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 18px;
}

.course-detail-content {
    margin-top: 40px;
}

.course-fields {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
    padding: 24px;
    background: #f8f9fa;
    border-radius: 8px;
}

.course-field {
    padding: 16px;
    background: white;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.field-name {
    font-size: 16px;
    font-weight: 500;
    color: #333;
    margin-bottom: 8px;
}

.field-value {
    color: #666;
    line-height: 1.5;
}

.course-description {
    margin-bottom: 40px;
}

.course-description h2 {
    font-size: 24px;
    margin-bottom: 16px;
    color: #333;
}

.course-description p {
    line-height: 1.6;
    color: #444;
}

.course-skills {
    margin-bottom: 40px;
}

.course-skills h2 {
    font-size: 24px;
    margin-bottom: 16px;
    color: #333;
}

.course-skills ul {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
    list-style: none;
    padding: 0;
}

.course-skills li {
    padding: 8px 16px;
    background: #f8f9fa;
    border-radius: 4px;
    color: #666;
}

@media (max-width: 768px) {
    .course-detail-header {
        flex-direction: column;
    }

    .course-detail-image {
        flex: none;
        max-width: 100%;
    }
}