.course-navigator-container {
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
}

.navigation-level {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
}

.category-item,
.subcategory-item {
    cursor: pointer;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: white;
    border-radius: 8px;
    padding: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    flex: 0 1 calc(50% - 10px);
    max-width: 200px;
}

.category-item:hover,
.subcategory-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.category-image,
.subcategory-image {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 6px;
    margin-bottom: 8px;
}

.category-title,
.subcategory-title {
    font-weight: bold;
    color: #333;
    font-size: 14px;
    line-height: 1.3;
}

.back-button {
    background: #007bff;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    margin-bottom: 15px;
    transition: background-color 0.3s ease;
}

.back-button:hover {
    background: #0056b3;
}

#subcategories-container {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    width: 100%;
}

/* Homepage-specific styles */
.homepage-navigator-container {
    padding: 30px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    margin: 20px 0;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

.homepage-navigator-title {
    color: white;
    text-align: center;
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 30px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.homepage-navigation-level {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    max-width: 1000px;
    margin: 0 auto;
}

.homepage-category-item,
.homepage-subcategory-item {
    cursor: pointer;
    text-align: center;
    transition: all 0.3s ease;
    background: white;
    border-radius: 12px;
    padding: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    flex: 0 1 calc(20% - 16px);
    min-width: 180px;
    max-width: 220px;
}

.homepage-category-item:hover,
.homepage-subcategory-item:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

.homepage-category-image,
.homepage-subcategory-image {
    width: 100%;
    padding: 4px !important;
    height: 82%  !important;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 12px;
}

.homepage-category-title,
.homepage-subcategory-title {
    font-weight: bold;
    color: #333;
    font-size: 16px;
    line-height: 1.4;
}

.homepage-back-button {
    background: white;
    color: #667eea;
    border: 2px solid white;
    padding: 12px 24px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.homepage-back-button:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

#homepage-subcategories-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    width: 100%;
}

@media (max-width: 1024px) {
    .homepage-category-item,
    .homepage-subcategory-item {
        flex: 0 1 calc(33% - 14px);
    }
}

@media (max-width: 768px) {
    .homepage-navigator-container {
        padding: 20px 15px;
        margin: 15px 0;
    }
    
    .homepage-navigator-title {
        font-size: 24px;
        margin-bottom: 20px;
    }
    
    .homepage-category-item,
    .homepage-subcategory-item {
        flex: 0 1 calc(50% - 10px);
        min-width: 140px;
    }
    
    .homepage-navigation-level {
        gap: 15px;
    }
    
    .category-item,
    .subcategory-item {
        flex: 0 1 100%;
        max-width: none;
    }
    
    .navigation-level {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .homepage-category-item,
    .homepage-subcategory-item {
        flex: 0 1 100%;
        max-width: 280px;
    }
}