/* Hub Page Specific Styles */
.hub-main {
    flex: 1;
}

/* Hub Hero Section */
.hub-hero {
    padding: 3rem 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    text-align: center;
    transition: var(--transition);
    margin-bottom: 2rem;
}

html.dark-mode .hub-hero {
    background: linear-gradient(135deg, #1e3a5f 0%, #0f2844 100%);
}

.hub-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.hub-hero .hub-category-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hub-hero p {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 1.5rem;
}

/* Breadcrumb Navigation */
.breadcrumb {
    padding: 1rem 0;
    margin-bottom: 1rem;
}

.breadcrumb ul {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.breadcrumb li {
    font-size: 0.875rem;
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

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

.breadcrumb li:not(:last-child)::after {
    content: '/';
    margin-left: 0.5rem;
    color: var(--text-light);
}

/* Hub Category Info */
.hub-info {
    background: var(--surface-color);
    border-left: 4px solid var(--primary-color);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    margin-bottom: 2rem;
}

.hub-info p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Hub Tools Grid */
.hub-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.hub-tool-card {
    display: block;
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.hub-tool-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.hub-tool-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #ffffff;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.hub-tool-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.hub-tool-card p {
    color: var(--text-light);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: auto;
    padding-bottom: 1rem;
}

.hub-tool-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.hub-tool-keywords {
    font-size: 0.75rem;
    color: var(--text-light);
}

.hub-tool-free {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--success-color);
}

/* Hub Navigation Sidebar */
.hub-sidebar {
    margin-bottom: 2rem;
}

.hub-sidebar h3 {
    margin-bottom: 1rem;
}

.hub-categories-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.hub-categories-list a {
    padding: 1rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
    text-align: center;
}

.hub-categories-list a:hover,
.hub-categories-list a.active {
    background-color: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

/* Hub Related Tools */
.hub-related {
    background: var(--surface-color);
    padding: 2rem;
    border-radius: var(--radius-lg);
    margin-top: 3rem;
}

.hub-related h2 {
    margin-bottom: 1.5rem;
}

.hub-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.hub-related-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--background-color);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.hub-related-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.hub-related-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.hub-related-info h4 {
    margin-bottom: 0.25rem;
    font-size: 0.95rem;
}

.hub-related-info p {
    font-size: 0.75rem;
    color: var(--text-light);
}

/* Empty State */
.hub-empty-state {
    text-align: center;
    padding: 3rem;
    background: var(--surface-color);
    border-radius: var(--radius-lg);
}

.hub-empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hub-empty-state h3 {
    margin-bottom: 0.5rem;
}

.hub-empty-state p {
    color: var(--text-light);
}

/* Responsive */
@media (max-width: 768px) {
    .hub-hero {
        padding: 2rem 0;
    }
    
    .hub-hero h1 {
        font-size: 2rem;
    }
    
    .hub-hero .hub-category-icon {
        font-size: 2.5rem;
    }
    
    .hub-tools-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .hub-categories-list {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .hub-related-grid {
        grid-template-columns: 1fr;
    }
    
    .breadcrumb ul {
        gap: 0.25rem;
    }
}

@media (max-width: 480px) {
    .hub-hero h1 {
        font-size: 1.5rem;
    }
    
    .hub-hero .hub-category-icon {
        font-size: 2rem;
    }
    
    .hub-hero p {
        font-size: 1rem;
    }
    
    .hub-info {
        padding: 1rem;
    }
    
    .breadcrumb ul {
        gap: 0.25rem;
    }
    
    .breadcrumb li {
        font-size: 0.75rem;
    }
}