/* Base styles (originally from news.php / current style.css) */
:root {
    --color-primary: #7c3aed;
    --color-primary-light: #a78bfa;
    --color-primary-dark: #6d28d9;
    --color-secondary: #10b981;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-background: #ffffff;
    --color-background-alt: #f9fafb;
    --color-border: #e5e7eb;
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --color-primary-rgb: 124, 58, 237; /* RGB values for #7c3aed */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: var(--color-text);
    background-color: var(--color-background-alt);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
}

/* Header Styles */
.site-header {
    background-color: var(--color-background);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 15px 0;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--color-text);
}

.logo a {
    display: flex;
    align-items: center;
    color: inherit;
}

.logo-icon {
    color: var(--color-primary);
    margin-right: 0.5rem;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.main-nav a {
    font-weight: 600;
    position: relative;
    padding: 0.5rem 0;
}

.main-nav a.active {
    color: var(--color-primary);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.search-form {
    display: flex;
    align-items: center;
    background-color: var(--color-background-alt);
    border-radius: 30px;
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.search-form:hover, 
.search-form:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.1);
}

.search-form input {
    background: none;
    border: none;
    outline: none;
    padding: 0.25rem;
    width: 180px;
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: var(--color-text);
}

.search-form button {
    color: var(--color-text-light);
    background: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-form button:hover {
    color: var(--color-primary);
}
.search-form button .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.mobile-menu-toggle {
    display: none;
    color: var(--color-text);
}
.mobile-menu-toggle .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Hero Section Styles */
.hero {
    display: flex;
    align-items: center;
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    color: white;
    margin-bottom: 3rem;
    border-radius: 0 0 50% 50% / 20px;
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.hero-content {
    flex: 1;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 500px;
}

.hero .highlight {
    color: #a78bfa;
    position: relative;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 15px rgba(0, 0, 0, 0.2));
}

/* About Page Styles */
.about-hero {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary)), url('images/article-placeholder.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 5rem 0;
    margin-bottom: 4rem;
    text-align: center;
    border-radius: 0 0 50% 50% / 20px;
}

.about-hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: white;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

.about-section {
    margin-bottom: 5rem;
}

.about-section h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 1rem;
    font-weight: 800;
    color: var(--color-text);
    font-family: 'Plus Jakarta Sans', sans-serif;
}

.about-section h2:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--color-primary);
}

.mission-value {
    margin-bottom: 2rem;
    background-color: var(--color-background);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-primary);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--color-border);
}

.mission-value:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.mission-value h4 {
    color: var(--color-text);
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 1.25rem;
}

.mission-value i {
    color: var(--color-primary);
}

.mission-value p {
    color: var(--color-text-light);
    margin: 0;
}

.team-member {
    text-align: center;
    margin-bottom: 2rem;
    padding: 2rem;
    background-color: var(--color-background);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.team-member::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.team-member img {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 1.5rem;
    border: 5px solid var(--color-background-alt);
    box-shadow: var(--shadow-sm);
}

.team-member h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.stats-card {
    background-color: var(--color-background);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    margin-bottom: 1.5rem;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.stats-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
}

.stats-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.stats-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    color: var(--color-text-light);
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--color-primary);
    transform: translateY(-2px);
}

@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .page-header h1 {
        font-size: 3.2rem;
    }
    
    .hero-image {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 4rem 0;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }

    .about-hero {
        padding: 4rem 0;
    }
    
    .about-section h2 {
        text-align: center;
    }
    
    .about-section h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .mission-value {
        text-align: center;
        border-left: none;
        border-top: 4px solid var(--color-primary);
    }
    
    .mission-value:hover {
        transform: translateY(-5px);
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
}

/* Page Header Styles (from news.php, generic enough for reuse) */
.page-header {
    text-align: center;
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    color: white;
    margin-bottom: 3rem;
    border-radius: 0 0 50% 50% / 20px; /* Curved bottom */
}

.page-header h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

.page-header p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
}

/* Article Card Styles (from news.php, .topic-card used for articles there) */
.article-card-item { /* Renamed from .topic-card to avoid conflicts with topic category cards */
    background-color: var(--color-background);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid var(--color-border);
    overflow: hidden;
    position: relative;
}

.article-card-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
}

.article-card-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.article-card-item .article-featured-image {
    width: 100%;
    height: 200px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.article-card-item .article-featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}
 .article-card-item:hover .article-featured-image img {
    transform: scale(1.05);
}

.article-card-item h3 {
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
    font-weight: 700;
    line-height: 1.3;
}
 .article-card-item h3 a:hover {
    color: var(--color-primary);
}

.article-card-item p.excerpt {
    color: var(--color-text-light);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.article-card-item .article-meta-info {
    font-size: 0.85rem;
    color: var(--color-primary);
    font-weight: 600;
    background-color: rgba(124, 58, 237, 0.1);
    padding: 0.4rem 0.9rem;
    border-radius: 20px;
    margin-top: auto;
    display: inline-block;
    text-align: center;
}

.article-card-item .article-meta-info .date,
.article-card-item .article-meta-info .views {
    margin: 0 0.3rem;
}

/* Section Styles */
.section-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 2.5rem;
    display: flex;
    align-items: center;
    color: var(--color-text);
}

.section-title::before {
    content: '';
    display: block;
    width: 40px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    margin-right: 1rem;
    border-radius: 2px;
}

.content-section {
    padding: 4rem 0;
}

/* News Filters Styles (from news.php) */
.news-filters {
    padding: 2rem 0;
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border);
}

.filters-container {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 2rem;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.filter-group label {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-text);
}

.filter-group select {
    padding: 0.6rem 1.2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    background-color: white;
    font-size: 0.9rem;
    color: var(--color-text);
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Plus Jakarta Sans', sans-serif;
}

.filter-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(94, 96, 206, 0.2);
}

/* Pagination Styles (from news.php) */
.pagination {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.current-page-info {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.page-controls {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.page-controls a, .page-controls span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 0.5rem;
    border-radius: 50%;
    font-size: 0.9rem;
    transition: var(--transition);
    color: var(--color-text);
    /* news.php sets background and border, css_news-styles.css does not, relying on hover/active */
}

.page-controls a:hover {
    background-color: var(--color-background-alt);
    border-color: var(--color-primary-light);
    color: var(--color-primary);
}

.page-controls a.active {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.page-controls span.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background-color: var(--color-background-alt);
}
.page-controls .dots {
    border: none;
    box-shadow: none;
    background-color: transparent;
}

/* Newsletter Section */
.newsletter {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    color: white;
    padding: 5rem 0;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    margin-top: 4rem;
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.newsletter-content h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.newsletter-content p {
    margin-bottom: 2rem;
    opacity: 0.9;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.newsletter-form input {
    flex: 1;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-sm);
    border: none;
    outline: none;
    font-family: inherit;
    font-size: 1rem;
}

.newsletter .btn-primary {
    background-color: var(--color-secondary);
    padding: 1rem 2rem;
}

.newsletter .btn-primary:hover {
    background-color: #0ea371;
}

.form-note {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Footer Styles */
.site-footer {
    background-color: #0f172a;
    color: #e2e8f0;
    padding: 5rem 0 2rem;
}
 .footer-logo-section .logo .logo-text {
    color: white;
}
.footer-logo-section .logo .logo-icon {
    color: var(--color-primary);
}
.logo-icon {
    color: var(--color-primary);
    margin-right: 0.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 3rem;
}
 .footer-logo-section .logo .logo-text {
    color: white;
}
.footer-logo-section {
     margin-bottom: 1.5rem;
}

.footer-logo-section .logo {
    font-size: 1.8rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    color: white;
}
.footer-logo-section .logo .logo-icon {
    color: var(--color-primary);
}
 .footer-logo-section .logo .logo-text {
    color: white;
}

.footer-logo-section p {
    color: #94a3b8;
    max-width: 300px;
}

.link-group h4 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: white;
    position: relative;
    display: inline-block;
}

.link-group h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 3px;
}

.link-group ul {
    list-style: none;
}

.link-group li {
    margin-bottom: 0.75rem;
}

.link-group a {
    color: #94a3b8;
    transition: var(--transition);
}

.link-group a:hover {
    color: white;
}

.footer-social h4 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: white;
    position: relative;
    display: inline-block;
}
.footer-social h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 3px;
}

.social-icons {
    display: flex;
    gap: 1.2rem;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--color-primary);
    transform: translateY(-5px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 3rem;
    padding-top: 2rem;
    text-align: center;
    color: #94a3b8;
    font-size: 0.9rem;
}

/* Base Responsive Styles (from news.php) */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    .topics-grid, .articles-grid { /* Assuming .topics-grid from news.php is for articles, and .articles-grid is a general class */
         grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .page-header h1 {
        font-size: 2.8rem;
    }
    
    .main-nav {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--color-background);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        z-index: 99;
        transform: translateX(100%);
        transition: transform 0.3s ease-in-out; /* Added transition */
    }
    .main-nav.show {
        display: flex;
        transform: translateX(0);
    }
    .main-nav ul {
        flex-direction: column;
        gap: 2.5rem;
    }
    .main-nav a {
        font-size: 1.3rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        z-index: 101;
    }
    .mobile-menu-toggle.active i::before { /* For 'X' icon */
         content: "\f00d"; /* FontAwesome times icon */
    }

    .filters-container {
        flex-direction: column;
        align-items: stretch;
    }
    .filter-group {
        width: 100%;
    }
    .filter-group select {
        width: 100%;
    }
    .topics-grid, .articles-grid { /* Assuming .topics-grid from news.php is for articles */
         grid-template-columns: 1fr;
    }
    .newsletter-form {
        flex-direction: column;
    }
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 640px) {
    .section-title {
        font-size: 1.8rem;
    }
    .container {
        padding: 0 1rem;
    }
}

/* STYLES FROM TOPICS.HTML (inline) */
/* :root, body, .container, a, button, .btn, .btn-primary, 
   .site-header, .header-inner, .logo, .logo-icon, .main-nav, .header-actions, .search-form, 
   .newsletter, .newsletter-content, .newsletter-form, .form-note,
   .site-footer, .footer-content, .footer-logo, .link-group, .footer-social, .social-icons, .footer-bottom
   are largely IDENTICAL to news.php styles (already included above) or very similar.
   The .page-header from topics.html is also very similar to the one from news.php.
   We will add specific styles from topics.html that are different or new. */

/* Topics Grid (for category display - from topics.html) */
.topics-grid-categories {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

/* Topic Card Styles (for category display - from topics.html) */
.topic-category-card {
    background-color: var(--color-background);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    border: 1px solid var(--color-border);
    overflow: hidden;
    position: relative;
}

.topic-category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
}

.topic-category-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.topic-category-card .topic-icon { /* .topic-icon is used within .topic-category-card */
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.topic-category-card:hover .topic-icon {
    transform: scale(1.1) rotate(5deg);
}

.topic-category-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
    font-weight: 700;
}

.topic-category-card p {
    color: var(--color-text-light);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.topic-category-card .article-count { /* .article-count is used within .topic-category-card */
    font-size: 0.85rem;
    color: var(--color-primary);
    font-weight: 600;
    background-color: rgba(124, 58, 237, 0.1);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    margin-top: auto;
}

/* Section Styles from topics.html (if different from base) */
.topics-section-wrapper, .topic-browser-wrapper { /* Renamed for clarity */
    padding: 4rem 0;
}

.featured-topics-group, .all-topics-group { /* Renamed for clarity */
    margin-bottom: 5rem;
}

/* Topic List Item Styles (from topics.html) */
.topics-list-container { /* Renamed for clarity */
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
    gap: 1.5rem;
}

.topic-list-item {
    display: flex;
    align-items: center;
    padding: 1.5rem;
    background-color: var(--color-background);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--color-border);
    gap: 1.5rem;
}

.topic-list-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.topic-list-item .topic-icon.small { /* .topic-icon.small used in .topic-list-item */
    min-width: 50px;
    height: 50px;
    border-radius: 12px; /* From topics.html */
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary)); /* Added for consistency */
    display: flex; /* Added for consistency */
    align-items: center; /* Added for consistency */
    justify-content: center; /* Added for consistency */
    font-size: 1.3rem;
    color: white; /* Added for consistency */
    margin-bottom: 0;
}

.topic-list-item .topic-info {
    flex: 1;
}

.topic-list-item .topic-info h3 {
    font-size: 1.2rem;
    margin-bottom: 0.3rem;
    font-weight: 700;
}

.topic-list-item .topic-info p {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

/* Tags Cloud Styles (from topics.html) */
.topic-browser-content { /* Renamed for clarity */
    background-color: var(--color-background); /* From topics.html, its container */
    border-radius: var(--border-radius);
    margin: 0 2rem 4rem; /* From topics.html, its container */
    padding: 3rem; /* From topics.html, its container */
    box-shadow: var(--shadow-md);
}

.tags-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.tag-item {
    background-color: var(--color-background-alt);
    color: var(--color-text);
    padding: 0.6rem 1.2rem;
    border-radius: 30px;
    font-size: 0.9rem;
    border: 1px solid var(--color-border);
    transition: var(--transition);
    font-weight: 500;
}

.tag-item:hover {
    background-color: var(--color-primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

/* Responsive Styles from topics.html, merged or added if unique */
@media (max-width: 768px) {
    /* .page-header h1 already handled by base */
    .topics-list-container { /* from topics.html */
        grid-template-columns: 1fr;
    }
    /* .newsletter-form already handled by base */
    /* .main-nav, .mobile-menu-toggle already handled by base */
    .topic-browser-content { /* from topics.html, was .topic-browser */
        margin: 0 1rem 3rem;
        padding: 2rem;
    }
}

@media (max-width: 640px) {
    /* .footer-content already handled by base */
    /* .section-title already handled by base */
    .topic-list-item { /* from topics.html */
        flex-direction: column;
        align-items: flex-start; /* topics.html had center, but flex-start might be better */
        text-align: left; /* topics.html had center */
    }
    .topic-list-item .topic-icon.small { /* from topics.html */
        margin: 0 auto 1rem; /* Center icon when stacked */
    }
    .topic-list-item .topic-info { /* from topics.html */
        text-align: left; /* topics.html had center */
        width: 100%;
        margin-bottom: 1rem;
    }
}


/* STYLES FROM ai/css/css_news-styles.css */
/* Note: Some of these may override or duplicate styles from news.php (now base style.css) */
/* If '.news-filters', '.filters-container', '.filter-group', '.pagination', '.page-controls' 
   are defined above from news.php, these will be additional or potentially conflicting. */

.news-filters { /* This class is already styled from news.php content. This will append/override. */
    padding: 2rem 0; /* css_news-styles.css */
    background-color: var(--color-background-alt); /* css_news-styles.css */
    border-bottom: 1px solid var(--color-border); /* css_news-styles.css */
}

.filters-container { /* Already styled from news.php. This will append/override. */
    display: flex; /* css_news-styles.css */
    justify-content: flex-start; /* css_news-styles.css, news.php used space-around */
    align-items: center; /* css_news-styles.css */
    gap: 2rem; /* css_news-styles.css, news.php used 1.5rem */
}

.filter-group { /* Already styled from news.php. This will append/override. */
    display: flex; /* css_news-styles.css */
    align-items: center; /* css_news-styles.css */
    gap: 0.8rem; /* css_news-styles.css */
}

.filter-group label { /* Already styled from news.php. This will append/override. */
    font-weight: 500; /* css_news-styles.css, news.php used 600 */
    font-size: 0.95rem; /* css_news-styles.css */
}

.filter-group select { /* Already styled from news.php. This will append/override. */
    padding: 0.6rem 1.2rem; /* css_news-styles.css, news.php used 0.7rem 1.3rem */
    border-radius: var(--border-radius); /* css_news-styles.css, news.php used --border-radius-sm */
    border: 1px solid var(--color-border); /* css_news-styles.css */
    background-color: white; /* css_news-styles.css, news.php used --color-background-alt */
    font-size: 0.9rem; /* css_news-styles.css */
    color: var(--color-text); /* css_news-styles.css */
    cursor: pointer; /* css_news-styles.css */
    transition: var(--transition); /* css_news-styles.css */
}

.filter-group select:focus { /* Already styled from news.php. This will append/override. */
    outline: none; /* css_news-styles.css */
    border-color: var(--color-primary); /* css_news-styles.css */
    box-shadow: 0 0 0 2px rgba(94, 96, 206, 0.2); /* css_news-styles.css, news.php used different rgba */
}

/* News Grid Styles (from css_news-styles.css) */
/* news.php (base) uses '.topics-grid' for its article layout. This adds '.news-grid' and '.articles-grid-3'. */
.news-grid-wrapper { /* Renamed for clarity from .news-grid */
    padding: 4rem 0;
}

.articles-grid-3col { /* Renamed for clarity from .articles-grid-3 */
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

/* Pagination Styles (from css_news-styles.css) */
/* .pagination is already styled from news.php. This will append/override. */
.pagination { 
    margin-top: 3rem; /* css_news-styles.css */
    display: flex; /* css_news-styles.css */
    flex-direction: column; /* css_news-styles.css */
    align-items: center; /* css_news-styles.css */
    gap: 1rem; /* css_news-styles.css */
}

.current-page-display { /* Renamed from .current-page to avoid conflict with .current-page-info from news.php */
    color: var(--color-text-light); /* css_news-styles.css */
    font-size: 0.9rem; /* css_news-styles.css */
}

/* .page-controls is already styled from news.php. This will append/override. */
/* css_news-styles.css uses different styling for page links (round) */
.page-controls a { /* This targets all 'a' in .page-controls. news.php styles are more specific with a, span */
    display: flex; /* css_news-styles.css */
    align-items: center; /* css_news-styles.css */
    justify-content: center; /* css_news-styles.css */
    width: 40px; /* css_news-styles.css */
    height: 40px; /* css_news-styles.css */
    border-radius: 50%; /* css_news-styles.css, news.php used --border-radius-sm */
    font-size: 0.9rem; /* css_news-styles.css */
    transition: var(--transition); /* css_news-styles.css */
    color: var(--color-text); /* css_news-styles.css */
}

.page-controls a:hover { /* news.php styles this too */
    background-color: var(--color-background-alt); /* css_news-styles.css */
}

.page-controls a.active { /* news.php styles this too */
    background-color: var(--color-primary); /* css_news-styles.css */
    color: white; /* css_news-styles.css */
    font-weight: 600; /* css_news-styles.css */
}

.page-controls a.disabled { /* news.php styles span.disabled */
    opacity: 0.5; /* css_news-styles.css */
    pointer-events: none; /* css_news-styles.css */
}

/* Responsive Styles from css_news-styles.css */
@media (max-width: 992px) {
    .articles-grid-3col { /* from css_news-styles.css */
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .filters-container { /* from css_news-styles.css, potentially overrides base responsive */
        flex-direction: column; /* css_news-styles.css */
        align-items: stretch; /* css_news-styles.css */
        gap: 1rem; /* css_news-styles.css */
    }
    
    .filter-group { /* from css_news-styles.css, potentially overrides base responsive */
        flex-direction: column; /* css_news-styles.css */
        align-items: flex-start; /* css_news-styles.css */
        gap: 0.5rem; /* css_news-styles.css */
    }
    
    .filter-group select { /* from css_news-styles.css, potentially overrides base responsive */
        width: 100%; /* css_news-styles.css */
    }
    
    .articles-grid-3col { /* from css_news-styles.css, potentially overrides base responsive */
        grid-template-columns: 1fr; /* css_news-styles.css */
    }
}


/* STYLES FROM ai/css/topics_styles.css */
/* Note: Many of these selectors are also found in topics.html inline styles. 
   This will append and potentially override or conflict. */

/* Page Header Styles from topics_styles.css */
/* .page-header already styled. This provides an alternative. */
.page-header-topics { /* Renamed to avoid conflict */
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary)); /* topics_styles.css */
    padding: 4rem 0; /* topics_styles.css */
    color: white; /* topics_styles.css */
    text-align: center; /* topics_styles.css */
}

.page-header-topics h1 { /* topics_styles.css */
    font-size: 2.5rem; /* topics_styles.css, base and topics.html use 3.5rem */
    font-weight: 800; /* topics_styles.css */
    margin-bottom: 1rem; /* topics_styles.css */
    font-family: var(--font-heading); /* topics_styles.css - ensure --font-heading is defined or remove */
}

.page-header-topics p { /* topics_styles.css */
    font-size: 1.2rem; /* topics_styles.css */
    max-width: 700px; /* topics_styles.css */
    margin: 0 auto; /* topics_styles.css */
    opacity: 0.9; /* topics_styles.css */
}

/* Topics Section Styles from topics_styles.css */
.topics-section-alt { /* Renamed from .topics-section */
    padding: 5rem 0; /* topics_styles.css */
}

.featured-topics-alt, .all-topics-alt { /* Renamed */
    margin-bottom: 4rem; /* topics_styles.css */
}

.featured-topics-alt h2, .all-topics-alt h2, .topic-browser-header h2 { /* topics_styles.css */
    font-size: 1.8rem; /* topics_styles.css */
    margin-bottom: 2rem; /* topics_styles.css */
    font-weight: 700; /* topics_styles.css */
    font-family: var(--font-heading); /* topics_styles.css - ensure --font-heading is defined */
    color: var(--color-text); /* topics_styles.css */
}

/* .topic-card from topics_styles.css - this is different from topics.html's .topic-category-card and news.php's .article-card-item */
.topic-card-style2 { /* Renamed */
    background-color: var(--color-background); /* topics_styles.css */
    border-radius: var(--border-radius); /* topics_styles.css */
    padding: 2rem; /* topics_styles.css */
    text-align: center; /* topics_styles.css */
    box-shadow: var(--shadow-sm); /* topics_styles.css */
    transition: var(--transition); /* topics_styles.css */
    display: flex; /* topics_styles.css */
    flex-direction: column; /* topics_styles.css */
    align-items: center; /* topics_styles.css */
    position: relative; /* topics_styles.css */
}

.topic-card-style2:hover { /* topics_styles.css */
    transform: translateY(-5px); /* topics_styles.css */
    box-shadow: var(--shadow-md); /* topics_styles.css */
}

.topic-card-style2 .topic-icon { /* topics_styles.css - icon within this card type */
    width: 70px; /* topics_styles.css */
    height: 70px; /* topics_styles.css */
    border-radius: 50%; /* topics_styles.css, topics.html uses 20px */
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary)); /* topics_styles.css */
    display: flex; /* topics_styles.css */
    align-items: center; /* topics_styles.css */
    justify-content: center; /* topics_styles.css */
    font-size: 1.8rem; /* topics_styles.css, topics.html uses 2rem */
    color: white; /* topics_styles.css */
    margin-bottom: 1.5rem; /* topics_styles.css */
}

.topic-card-style2 .topic-icon.small { /* topics_styles.css */
    width: 50px; /* topics_styles.css */
    height: 50px; /* topics_styles.css */
    font-size: 1.3rem; /* topics_styles.css */
    margin-bottom: 0; /* topics_styles.css */
}

.topic-card-style2 h3 { /* topics_styles.css */
    font-size: 1.2rem; /* topics_styles.css, topics.html uses 1.5rem */
    margin-bottom: 0.8rem; /* topics_styles.css */
    font-weight: 700; /* topics_styles.css */
    font-family: var(--font-heading); /* topics_styles.css */
}

.topic-card-style2 p { /* topics_styles.css */
    color: var(--color-text-light); /* topics_styles.css */
    font-size: 0.95rem; /* topics_styles.css, topics.html uses 1rem */
    margin-bottom: 1rem; /* topics_styles.css */
}

.topic-card-style2 .article-count { /* topics_styles.css */
    font-size: 0.85rem; /* topics_styles.css */
    color: var(--color-primary); /* topics_styles.css */
    font-weight: 600; /* topics_styles.css */
    /* topics.html .article-count has background and padding, this one does not */
}

/* Topic List Item Styles from topics_styles.css */
.topics-list-style2 { /* Renamed from .topics-list */
    display: flex; /* topics_styles.css, topics.html uses grid */
    flex-direction: column; /* topics_styles.css */
    gap: 1rem; /* topics_styles.css */
}

.topic-list-item-style2 { /* Renamed from .topic-list-item */
    display: flex; /* topics_styles.css */
    align-items: center; /* topics_styles.css */
    padding: 1.5rem; /* topics_styles.css */
    background-color: var(--color-background); /* topics_styles.css */
    border-radius: var(--border-radius); /* topics_styles.css */
    box-shadow: var(--shadow-sm); /* topics_styles.css */
    transition: var(--transition); /* topics_styles.css */
}

.topic-list-item-style2:hover { /* topics_styles.css */
    transform: translateX(5px); /* topics_styles.css */
    box-shadow: var(--shadow-md); /* topics_styles.css */
}

.topic-list-item-style2 .topic-info { /* .topic-info is already defined from topics.html, this might conflict if not careful */
    flex: 1; /* topics_styles.css */
    margin: 0 1.5rem; /* topics_styles.css */
}

.topic-list-item-style2 .topic-info h3 { /* topics_styles.css */
    font-size: 1.1rem; /* topics_styles.css */
    margin-bottom: 0.3rem; /* topics_styles.css */
    font-weight: 600; /* topics_styles.css */
    font-family: var(--font-heading); /* topics_styles.css */
}

.topic-list-item-style2 .topic-info p { /* topics_styles.css */
    color: var(--color-text-light); /* topics_styles.css */
    font-size: 0.9rem; /* topics_styles.css */
}

/* Tags Cloud Styles from topics_styles.css */
.topic-browser-alt { /* Renamed from .topic-browser */
    padding: 3rem 0 5rem; /* topics_styles.css */
    background-color: var(--color-background-alt); /* topics_styles.css */
    /* topics.html .topic-browser-content styles the container differently */
}

.tags-cloud-alt { /* Renamed from .tags-cloud */
    display: flex; /* topics_styles.css */
    flex-wrap: wrap; /* topics_styles.css */
    gap: 0.8rem; /* topics_styles.css */
}

.tag-item-alt { /* Renamed from .tag-item */
    background-color: var(--color-background); /* topics_styles.css, topics.html uses --color-background-alt */
    color: var(--color-text-light); /* topics_styles.css, topics.html uses --color-text */
    padding: 0.5rem 1rem; /* topics_styles.css */
    border-radius: 30px; /* topics_styles.css */
    font-size: 0.9rem; /* topics_styles.css */
    box-shadow: var(--shadow-sm); /* topics_styles.css */
    transition: var(--transition); /* topics_styles.css */
    /* topics.html .tag-item has border and different font-weight */
}

.tag-item-alt:hover { /* topics_styles.css */
    background-color: var(--color-primary); /* topics_styles.css */
    color: white; /* topics_styles.css */
    transform: translateY(-3px); /* topics_styles.css */
    box-shadow: var(--shadow-md); /* topics_styles.css */
}

/* Responsive Styles from topics_styles.css */
@media (max-width: 768px) {
    .topic-list-item-style2 { /* topics_styles.css */
        flex-direction: column; /* topics_styles.css */
        align-items: flex-start; /* topics_styles.css */
        text-align: center; /* topics_styles.css */
    }
    
    .topic-list-item-style2 .topic-icon.small { /* topics_styles.css - icon inside this list item */
        margin: 0 auto 1rem; /* topics_styles.css */
    }
    
    .topic-list-item-style2 .topic-info { /* topics_styles.css */
        margin: 0 0 1rem; /* topics_styles.css */
        text-align: center; /* topics_styles.css */
        width: 100%; /* topics_styles.css */
    }
    
    .topic-list-item-style2 .article-count { /* topics_styles.css */
        align-self: center; /* topics_styles.css */
    }
}

/* Search Styling */
.search-form {
    position: relative;
    max-width: 300px;
    width: 100%;
}

.search-form input[type="text"] {
    width: 100%;
    padding: 8px 40px 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.search-form input[type="text"]:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0,123,255,0.25);
    outline: none;
}

.search-form button {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 40px;
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    transition: color 0.3s ease;
}

.search-form button:hover {
    color: #007bff;
}

/* Search Results Page */
.search-results {
    padding: 40px 0;
}

.search-header {
    text-align: center;
    margin-bottom: 40px;
}

.search-form-large {
    max-width: 600px;
    margin: 20px auto;
}

.search-form-large .input-group {
    display: flex;
    gap: 10px;
}

.search-form-large input[type="text"] {
    flex: 1;
    padding: 12px 16px;
    font-size: 16px;
    border: 1px solid #ddd;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.search-form-large input[type="text"]:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0,123,255,0.25);
    outline: none;
}

.search-meta {
    margin-bottom: 30px;
    color: #666;
}

.search-result-item {
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
    border-radius: 4px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.search-result-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.search-result-item h2 {
    margin: 0 0 10px;
}

.search-result-item h2 a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.search-result-item h2 a:hover {
    color: #007bff;
}

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

.article-meta > * {
    display: inline-block;
    margin-right: 15px;
}

.excerpt {
    color: #444;
    line-height: 1.6;
    margin: 15px 0;
}

.read-more {
    display: inline-block;
    color: #007bff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: #0056b3;
    text-decoration: underline;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-top: 40px;
}

.page-link {
    display: inline-block;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
}

.page-link:hover {
    background-color: #f8f9fa;
    border-color: #ddd;
    color: #007bff;
}

.page-link.active {
    background-color: #007bff;
    border-color: #007bff;
    color: white;
}

.no-results-suggestions {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 4px;
    margin-top: 20px;
}

.no-results-suggestions h3 {
    margin: 0 0 15px;
    color: #333;
}

.no-results-suggestions ul {
    margin: 0;
    padding-left: 20px;
    color: #666;
}

.no-results-suggestions li {
    margin-bottom: 8px;
}

.search-instructions {
    text-align: center;
    padding: 40px 20px;
    background-color: #f8f9fa;
    border-radius: 4px;
}

.search-instructions h2 {
    margin-bottom: 15px;
    color: #333;
}

.search-instructions p {
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
    .search-form {
        max-width: 100%;
    }
    
    .search-form-large {
        padding: 0 15px;
    }
    
    .search-results {
        padding: 20px 15px;
    }
    
    .search-result-item {
        padding: 15px;
    }
    
    .article-meta > * {
        display: block;
        margin-bottom: 5px;
    }
    
    .pagination {
        flex-wrap: wrap;
    }
}