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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #dc2626;
    --light-color: #f8fafc;
    --dark-color: #0f172a;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --warning-color: #f59e0b;

    --font-heading: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-body: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-header: 0 4px 6px -1px rgba(0, 0, 0, 0.1);

    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;

    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #ffffff;
    overflow-x: hidden;
}

.line-clamp-1 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
}

.line-clamp-2 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.line-clamp-3 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

.line-clamp-4 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul,
ol {
    list-style: none;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

.section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--dark-color);
    font-family: var(--font-heading);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--secondary-color);
    margin-bottom: 3rem;
    max-width: 700px;
}

.text-center {
    text-align: center;
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: none;
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-header);
    backdrop-filter: blur(10px);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
}

.logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-color);
    font-family: var(--font-heading);
}

.logo span {
    color: var(--accent-color);
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-item {
    position: relative;
}

.nav-link {
    font-weight: 600;
    font-size: 1rem;
    padding: 0.5rem 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

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

.search-btn {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--secondary-color);
}

.hamburger {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    width: 30px;
    height: 24px;
    position: relative;
}

.hamburger span {
    display: block;
    position: absolute;
    width: 100%;
    height: 3px;
    background-color: var(--dark-color);
    border-radius: 3px;
    transition: var(--transition);
}

.hamburger span:nth-child(1) {
    top: 0;
}

.hamburger span:nth-child(2) {
    top: 10px;
}

.hamburger span:nth-child(3) {
    top: 20px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg);
    top: 10px;
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg);
    top: 10px;
}

/* ============================================
   Category Navigation
   ============================================ */
.category-nav {
    background-color: var(--light-color);
    padding: 1rem 0;
    margin-top: 80px;
    border-bottom: 1px solid var(--border-color);
}

.category-list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.category-item {
    padding: 0.5rem 1.25rem;
    background-color: white;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.category-item:hover,
.category-item.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* ============================================
   Main Content Layout
   ============================================ */
.main-content {
    padding-top: 2rem;
}

/* ============================================
   Home Page - Featured News Section
   ============================================ */
.featured-news {
    padding: 3rem 0;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.featured-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    background-color: white;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.featured-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.featured-card.large {
    grid-column: span 2;
    grid-row: span 2;
}

.featured-img {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.featured-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.featured-card:hover .featured-img img {
    transform: scale(1.05);
}

.featured-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background-color: var(--accent-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.featured-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.featured-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    color: var(--secondary-color);
}

.featured-tag {
    color: var(--primary-color);
    font-weight: 600;
}

.featured-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.3;
    font-family: var(--font-heading);
}

.featured-desc {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

/* ============================================
   Home Page - Category News Section
   ============================================ */
.category-news {
    background-color: var(--light-color);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.category-block {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--primary-color);
}

.category-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
}

.category-link {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.875rem;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.news-item {
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.news-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.news-item-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.news-item-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.news-item-excerpt {
    font-size: 0.875rem;
    color: var(--secondary-color);
    line-height: 1.5;
}

/* ============================================
   Home Page - Special Reports Section
   ============================================ */
.special-reports {
    padding: 5rem 0;
}

.report-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.report-card {
    display: flex;
    gap: 2rem;
    background-color: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.report-img {
    flex: 0 0 250px;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 4/3;
}

.report-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.report-card:hover .report-img img {
    transform: scale(1.05);
}

.report-content {
    flex: 1;
}

.report-tag {
    display: inline-block;
    background-color: var(--light-color);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.report-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.report-excerpt {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* ============================================
   Home Page - Trending Topics Section
   ============================================ */
.trending-topics {
    background-color: var(--light-color);
    padding: 5rem 0;
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.topic-card {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.topic-icon {
    width: 60px;
    height: 60px;
    background-color: var(--light-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--primary-color);
    font-size: 1.5rem;
}

.topic-title {
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
}

.topic-count {
    color: var(--secondary-color);
    font-size: 0.875rem;
}

/* ============================================
   Home Page - Latest Updates Section
   ============================================ */
.latest-updates {
    padding: 5rem 0;
}

.updates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.update-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    background-color: white;
}

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

.update-img {
    aspect-ratio: 4/3;
    overflow: hidden;
}

.update-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.update-card:hover .update-img img {
    transform: scale(1.05);
}

.update-content {
    padding: 1.5rem;
}

.update-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    color: var(--secondary-color);
}

.update-category {
    color: var(--primary-color);
    font-weight: 600;
}

.update-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.update-excerpt {
    color: var(--secondary-color);
    line-height: 1.6;
    margin-bottom: 1rem;
}

/* ============================================
   Newsletter Section (All Pages)
   ============================================ */
.newsletter {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 4rem 0;
    text-align: center;
}

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

.newsletter-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

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

.newsletter-form {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form .form-input {
    flex: 1;
    padding: 0.875rem 1.25rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    min-width: 200px;
}

/* ============================================
   List Page - Breadcrumb Section
   ============================================ */
.breadcrumb-section {
    background-color: var(--light-color);
    padding: 1.5rem 0;
    margin-top: 80px;
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.breadcrumb-link {
    color: var(--secondary-color);
    font-size: 0.875rem;
    transition: var(--transition);
}

.breadcrumb-link:hover {
    color: var(--primary-color);
}

.breadcrumb-icon {
    font-size: 1rem;
    margin-right: 0.25rem;
}

.breadcrumb-separator {
    color: var(--secondary-color);
    opacity: 0.5;
    margin-left: 0.5rem;
}

.breadcrumb-current {
    color: var(--dark-color);
    font-weight: 600;
    font-size: 0.875rem;
}

.breadcrumb-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.breadcrumb-stats {
    font-size: 0.875rem;
    color: var(--secondary-color);
}

.breadcrumb-stats strong {
    color: var(--primary-color);
}

.breadcrumb-share-btn {
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
}

.breadcrumb-share-btn:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* ============================================
   List Page - Page Header Section
   ============================================ */
.page-header-section {
    padding: 15px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.page-header-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.page-title {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--dark-color);
    line-height: 1.2;
}

.page-subtitle {
    font-size: 1.125rem;
    color: var(--secondary-color);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.page-meta {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.meta-label {
    font-size: 0.75rem;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.meta-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark-color);
}

.header-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.header-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 4/3;
}

.header-image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 1.5rem;
    color: white;
}

.overlay-badge {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.overlay-text {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

/* ============================================
   List Page - List Controls Section
   ============================================ */
.list-controls-section {
    background-color: white;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
}

.list-controls-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.control-group-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark-color);
    margin: 0;
}

.control-filters {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 150px;
}

.filter-label {
    font-size: 0.875rem;
    color: var(--secondary-color);
    font-weight: 500;
}

.filter-select-wrapper {
    position: relative;
}

.filter-select {
    width: 100%;
    padding: 0.625rem 2rem 0.625rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: white;
    font-size: 0.875rem;
    cursor: pointer;
    appearance: none;
    transition: var(--transition);
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.filter-select-icon {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--secondary-color);
    font-size: 0.75rem;
}

.sort-options-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sort-tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.sort-tab {
    padding: 0.625rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: white;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sort-tab:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.sort-tab.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.sort-icon {
    font-size: 1rem;
}

.view-options {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.view-label {
    font-size: 0.875rem;
    color: var(--secondary-color);
    margin-right: 0.5rem;
}

.view-btn {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.view-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

/* ============================================
   List Page - List Content Section
   ============================================ */
.list-content-section {
    padding: 3rem 0 5rem;
}

.content-layout {
    display: grid;
    grid-template-columns: 70% 30%;
    gap: 3rem;
}

.content-header {
    margin-bottom: 2rem;
}

.content-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.content-subtitle {
    color: var(--secondary-color);
    font-size: 0.875rem;
}

/* Articles Grid (List & Detail) */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.article-card {
    background-color: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
}

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

.article-card.featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.article-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background-color: var(--accent-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 1;
}

.article-img {
    aspect-ratio: 4/3;
    overflow: hidden;
}

.article-card.featured .article-img {
    height: 100%;
}

.article-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.article-card:hover .article-img img {
    transform: scale(1.05);
}

.article-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
}

.article-category {
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.75rem;
}

.article-meta-right {
    display: flex;
    gap: 1rem;
    color: var(--secondary-color);
}

.article-date {
    white-space: nowrap;
}

.article-readtime {
    white-space: nowrap;
}

.article-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.4;
    color: var(--dark-color);
}

.article-card.featured .article-title {
    font-size: 1.3rem;
}

.article-excerpt {
    color: var(--secondary-color);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

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

.article-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.author-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--light-color);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.author-name {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--dark-color);
}

.article-link {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.875rem;
    transition: var(--transition);
}

.article-link:hover {
    color: var(--primary-dark);
}

/* Pagination */
.pagination-nav {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
}

.pagination-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.pagination-showing {
    color: var(--secondary-color);
    font-size: 0.875rem;
}

.pagination-perpage {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.perpage-label {
    font-size: 0.875rem;
    color: var(--secondary-color);
}

.perpage-select {
    padding: 0.375rem 2rem 0.375rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: white;
    font-size: 0.875rem;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='currentColor' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 12px;
}

.pagination-list {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.pagination-item {
    display: flex;
}

.pagination-link {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: white;
    font-weight: 600;
    transition: var(--transition);
    padding: 0 0.75rem;
    font-size: 0.875rem;
}

.pagination-link:hover {
    background-color: var(--light-color);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.pagination-link.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination-link.prev,
.pagination-link.next {
    padding: 0 1.25rem;
    gap: 0.5rem;
}

.pagination-icon {
    font-size: 0.875rem;
}

.pagination-ellipsis {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-color);
}

.pagination-jump {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

.jump-label {
    font-size: 0.875rem;
    color: var(--secondary-color);
}

.jump-input {
    width: 60px;
    padding: 0.375rem 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    text-align: center;
}

.jump-btn {
    padding: 0.375rem 1rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
}

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

/* Sidebar (List & Detail) */
.sidebar-area {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-widget {
    background-color: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.sidebar-widget.newsletter-widget {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.sidebar-widget.ad-widget {
    background-color: var(--light-color);
}

.widget-title {
    font-size: 1.25rem;
    font-weight: 700;
    padding: 1.5rem 1.5rem 0;
    margin: 0;
    color: var(--dark-color);
}

.newsletter-widget .widget-title {
    color: white;
}

.widget-content {
    padding: 1.5rem;
}

.widget-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    text-align: center;
    padding-top: 1.5rem;
}

/* Trending List */
.trending-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.trending-item {
    display: flex;
    gap: 1rem;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.trending-item:hover {
    background-color: var(--light-color);
}

.trending-rank {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    background-color: var(--light-color);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--primary-color);
}

.trending-content {
    flex: 1;
}

.trending-title {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    line-height: 1.4;
}

.trending-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.75rem;
    color: var(--secondary-color);
}

.trending-category {
    color: var(--primary-color);
    font-weight: 600;
}

/* Category Tags */
.category-tags {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.category-tag {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.category-tag:hover {
    background-color: var(--light-color);
    border-color: var(--primary-color);
}

.category-tag.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.category-tag.active .tag-name,
.category-tag.active .tag-count {
    color: white;
}

.tag-name {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--dark-color);
}

.tag-count {
    font-size: 0.75rem;
    color: var(--secondary-color);
    background-color: var(--light-color);
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
}

.category-tag.active .tag-count {
    background-color: rgba(255, 255, 255, 0.2);
}

/* Authors List */
.authors-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.author-item {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.author-avatar-large {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--light-color);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
}

.author-info {
    flex: 1;
}

.author-name {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--dark-color);
}

.author-bio {
    font-size: 0.75rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.author-stats {
    display: flex;
    gap: 1rem;
    font-size: 0.75rem;
}

.stat-articles,
.stat-followers {
    color: var(--secondary-color);
}

/* Newsletter Widget */
.newsletter-desc {
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.newsletter-widget .newsletter-desc {
    color: rgba(255, 255, 255, 0.9);
}

.newsletter-form-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.btn-block {
    width: 100%;
}

.newsletter-note {
    font-size: 0.75rem;
    color: var(--secondary-color);
    margin-top: 1rem;
    text-align: center;
}

.newsletter-widget .newsletter-note {
    color: rgba(255, 255, 255, 0.7);
}

/* Tags Cloud */
.tags-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag-cloud {
    display: inline-block;
    padding: 0.5rem 0.75rem;
    background-color: var(--light-color);
    color: var(--secondary-color);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    transition: var(--transition);
}

.tag-cloud:hover {
    background-color: var(--primary-color);
    color: white;
}

.tag-cloud.large {
    font-size: 0.875rem;
    padding: 0.625rem 1rem;
}

/* Ad Widget */
.ad-placeholder {
    text-align: center;
    padding: 2rem 1rem;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
}

.ad-label {
    display: block;
    font-size: 0.75rem;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.ad-content p {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--dark-color);
}

.ad-content small {
    font-size: 0.75rem;
    color: var(--secondary-color);
}

/* ============================================
   Detail Page - Article Detail
   ============================================ */
.article-detail {
    background-color: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-bottom: 3rem;
}

/* Article Header Detail */
.article-header-detail {
    padding: 3rem 2rem 2rem;
    border-bottom: 1px solid var(--border-color);
}

.article-category-badge {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.category-badge {
    background-color: var(--primary-color);
    color: white;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.reading-time {
    color: var(--secondary-color);
    font-size: 0.875rem;
    font-weight: 500;
}

.article-title-detail {
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.article-subtitle {
    font-size: 1.5rem;
    line-height: 1.6;
    color: var(--secondary-color);
    margin-bottom: 2rem;
    font-weight: 400;
}

.article-meta-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.author-info {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.author-details {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.author-name {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--dark-color);
}

.author-title {
    font-size: 0.875rem;
    color: var(--secondary-color);
}

.article-stats {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.stat-icon {
    font-size: 1.25rem;
    color: var(--primary-color);
}

.stat-content {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-value {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--dark-color);
}

/* Featured Image */
.article-featured-image {
    padding: 0 2rem;
    margin: 2rem 0;
}

.article-featured-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    aspect-ratio: 16/9;
    object-fit: cover;
}

.image-caption {
    text-align: center;
    font-size: 0.875rem;
    color: var(--secondary-color);
    margin-top: 0.5rem;
    font-style: italic;
    line-height: 1.4;
}

/* Article Content Detail */
.article-content-detail {
    padding: 2rem;
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--dark-color);
}

.article-content-detail img {
    margin: 0 auto;
}

.article-content-detail h2 {
    font-size: 2rem;
    font-weight: 700;
    margin: 3rem 0 1.5rem;
    color: var(--dark-color);
    line-height: 1.3;
}

.article-content-detail h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 2.5rem 0 1rem;
    color: var(--dark-color);
}

.article-content-detail p {
    margin-bottom: 1.5rem;
}

.content-intro {
    font-size: 1.25rem;
    line-height: 1.7;
    margin-bottom: 2.5rem;
    color: var(--dark-color);
}

.content-highlight {
    background-color: var(--light-color);
    border-left: 4px solid var(--primary-color);
    padding: 1.5rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 2.5rem 0;
    display: flex;
    gap: 1.5rem;
}

.highlight-icon {
    font-size: 2rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.highlight-content h3 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.highlight-content p {
    margin-bottom: 0;
    color: var(--secondary-color);
}

/* Principles Grid */
.principles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin: 2rem 0 3rem;
}

.principle-card {
    background-color: var(--light-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: var(--transition);
}

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

.principle-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.principle-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--dark-color);
}

.principle-desc {
    font-size: 0.875rem;
    color: var(--secondary-color);
    line-height: 1.6;
    margin: 0;
}

/* Article Quote */
.article-quote {
    border-left: 4px solid var(--primary-color);
    padding-left: 2rem;
    margin: 3rem 0;
    font-style: italic;
}

.article-quote p {
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.article-quote cite {
    font-size: 0.875rem;
    color: var(--secondary-color);
    font-style: normal;
    font-weight: 600;
}

/* Implementation Table */
.implementation-table {
    margin: 2.5rem 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table-header {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    background-color: var(--primary-color);
    color: white;
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table-row {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.table-row:hover {
    background-color: var(--light-color);
}

.table-cell {
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    font-size: 0.875rem;
}

.table-header .table-cell {
    padding: 1.25rem 1.5rem;
}

/* Reaction Grid */
.reaction-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin: 2.5rem 0;
}

.reaction-card {
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: var(--transition);
}

.reaction-card.industry {
    background-color: rgba(37, 99, 235, 0.05);
    border: 1px solid rgba(37, 99, 235, 0.1);
}

.reaction-card.civil {
    background-color: rgba(220, 38, 38, 0.05);
    border: 1px solid rgba(220, 38, 38, 0.1);
}

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

.reaction-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.reaction-icon {
    font-size: 1.5rem;
}

.reaction-card.industry .reaction-icon {
    color: var(--primary-color);
}

.reaction-card.civil .reaction-icon {
    color: var(--accent-color);
}

.reaction-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
    color: var(--dark-color);
}

.reaction-content {
    font-size: 0.875rem;
    line-height: 1.6;
}

.reaction-quote {
    background-color: white;
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-top: 1rem;
    border-left: 3px solid var(--border-color);
}

.reaction-quote p {
    font-style: italic;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.reaction-quote cite {
    font-size: 0.75rem;
    color: var(--secondary-color);
    font-weight: 600;
}

/* Fund Breakdown */
.fund-breakdown {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin: 2.5rem 0;
}

.fund-item {
    text-align: center;
    padding: 1.5rem 1rem;
    background-color: var(--light-color);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

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

.fund-amount {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.fund-purpose {
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.fund-item p {
    font-size: 0.75rem;
    color: var(--secondary-color);
    margin: 0;
    line-height: 1.5;
}

/* Timeline */
.timeline {
    position: relative;
    margin: 3rem 0;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--primary-color);
}

.timeline-item {
    position: relative;
    padding-bottom: 2.5rem;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.5rem;
    top: 0;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background-color: var(--primary-color);
    border: 3px solid white;
    box-shadow: 0 0 0 3px var(--primary-color);
}

.timeline-date {
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.timeline-content {
    background-color: var(--light-color);
    padding: 1.25rem;
    border-radius: var(--radius-md);
}

.timeline-content h4 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
}

.timeline-content p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--secondary-color);
}

.conclusion {
    background-color: var(--light-color);
    padding: 2rem;
    border-radius: var(--radius-lg);
    margin: 3rem 0;
    border-left: 4px solid var(--primary-color);
}

.conclusion h3 {
    margin-top: 0;
    color: var(--primary-color);
}

/* Article Footer Detail */
.article-footer-detail {
    padding: 2rem;
    border-top: 1px solid var(--border-color);
}

/* Tags Detail */
.article-tags-detail {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.tags-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tag-detail {
    background-color: var(--light-color);
    color: var(--secondary-color);
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    transition: var(--transition);
}

.tag-detail:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Share Widget Detail */
.share-widget-detail {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.share-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.share-buttons-detail {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.share-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    background-color: white;
}

.share-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.share-button.twitter:hover {
    background-color: #1DA1F2;
    color: white;
    border-color: #1DA1F2;
}

.share-button.facebook:hover {
    background-color: #1877F2;
    color: white;
    border-color: #1877F2;
}

.share-button.linkedin:hover {
    background-color: #0077B5;
    color: white;
    border-color: #0077B5;
}

.share-button.email:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.share-button.copy:hover {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

.share-icon {
    font-size: 1rem;
    font-weight: 700;
}

/* Author Bio Detail */
.author-bio-detail {
    display: flex;
    gap: 1.5rem;
    padding: 2rem;
    background-color: var(--light-color);
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
}

.author-bio-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.author-bio-content {
    flex: 1;
}

.author-bio-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--dark-color);
}

.author-bio-text {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.author-bio-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.author-link {
    font-size: 0.875rem;
    color: var(--primary-color);
    font-weight: 600;
    transition: var(--transition);
}

.author-link:hover {
    color: var(--primary-dark);
}

/* Article Navigation */
.article-navigation {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.nav-button {
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.nav-button:hover {
    background-color: var(--light-color);
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.nav-button.prev {
    text-align: left;
}

.nav-button.next {
    text-align: right;
}

.nav-direction {
    font-size: 0.75rem;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.nav-title {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--dark-color);
    line-height: 1.4;
}

/* Comment Section Detail */
.comment-section-detail {
    background-color: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-bottom: 3rem;
}

.comment-header {
    padding: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.comment-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.comment-subtitle {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

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

.comment-count {
    font-weight: 600;
    color: var(--dark-color);
}

.comment-sort {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.comment-sort label {
    font-size: 0.875rem;
    color: var(--secondary-color);
}

.comment-sort-select {
    padding: 0.375rem 2rem 0.375rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: white;
    font-size: 0.875rem;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='currentColor' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 12px;
}

/* Comment Form */
.comment-form-container {
    padding: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.comment-form-detail .form-header {
    margin-bottom: 2rem;
}

.form-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.form-subtitle {
    font-size: 0.875rem;
    color: var(--secondary-color);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark-color);
    font-size: 0.875rem;
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-help {
    font-size: 0.75rem;
    color: var(--secondary-color);
    margin-top: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--dark-color);
}

.checkbox-label input[type="checkbox"] {
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.checkbox-text {
    line-height: 1.5;
}

.btn-submit {
    background-color: var(--primary-color);
    color: white;
    padding: 0.875rem 2rem;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Comments List */
.comments-list {
    padding: 2rem;
}

.comment-item {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.comment-item:last-child {
    border-bottom: none;
}

.comment-item.nested {
    margin-left: 3rem;
    padding-left: 1.5rem;
    border-left: 2px solid var(--border-color);
}

.comment-author {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1rem;
}

.comment-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--light-color);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.comment-author-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.author-name {
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--dark-color);
    margin: 0;
}

.comment-time {
    font-size: 0.75rem;
    color: var(--secondary-color);
}

.comment-content {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.comment-actions {
    display: flex;
    gap: 1rem;
}

.comment-action {
    background: none;
    border: none;
    font-size: 0.75rem;
    color: var(--secondary-color);
    cursor: pointer;
    transition: var(--transition);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}

.comment-action:hover {
    background-color: var(--light-color);
    color: var(--primary-color);
}

/* Related Articles Detail */
.related-articles-detail {
    background-color: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.related-header {
    padding: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.related-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.related-subtitle {
    color: var(--secondary-color);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    padding: 2rem;
}

.related-card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.related-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.related-img {
    aspect-ratio: 4/3;
    overflow: hidden;
}

.related-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.related-card:hover .related-img img {
    transform: scale(1.05);
}

.related-content {
    padding: 1.5rem;
}

.related-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    font-size: 0.75rem;
}

.related-category {
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.related-date {
    color: var(--secondary-color);
}

.related-card-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.4;
    color: var(--dark-color);
}

.related-excerpt {
    font-size: 0.875rem;
    color: var(--secondary-color);
    line-height: 1.5;
    margin-bottom: 1rem;
}

.related-link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
    transition: var(--transition);
}

.related-link:hover {
    color: var(--primary-dark);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--dark-color);
    color: white;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 1rem;
}

.footer-desc {
    opacity: 0.7;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.footer-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: white;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-link {
    opacity: 0.7;
    transition: var(--transition);
}

.footer-link:hover {
    opacity: 1;
    color: white;
    transform: translateX(5px);
}

.footer-bottom {
    padding: 20px 0;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.copyright {
    opacity: 0.7;
    font-size: 0.875rem;
    margin: 0;
}

.copyright a {
    color: var(--light-color);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-link:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

/* ============================================
   Back to Top Button
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    border: none;
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-5px);
}

/* ============================================
   Responsive Styles
   ============================================ */
@media (max-width: 1024px) {
    .featured-grid {
        grid-template-columns: 1fr;
    }

    .featured-card.large {
        grid-column: 1;
        grid-row: 1;
    }

    .report-grid {
        grid-template-columns: 1fr;
    }

    .topics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .page-header-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .content-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .articles-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }

    .list-controls-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .principles-grid,
    .reaction-grid,
    .fund-breakdown {
        grid-template-columns: 1fr;
    }

    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header {
        position: absolute;
    }

    .content-layout {
        grid-template-columns: 100%;
    }

    .list-content-section{
        padding-top: 20px;
    }

    .navbar {
        padding: 0;
    }

    .breadcrumb-section {
        margin-top: 0;
    }

    .page-header-section {
        padding: 10px 0;
    }

    .section {
        padding: 3rem 0;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .hamburger {
        display: block;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(7px) rotate(-45deg);
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 50px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
        gap: 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-item {
        margin: 1rem 0;
    }

    .nav-actions {
        display: none;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .breadcrumb-nav {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .breadcrumb-actions {
        width: 100%;
        justify-content: space-between;
    }

    .page-title {
        font-size: 1.4rem;
        margin: 0;
    }

    .article-card.featured {
        grid-template-columns: 1fr;
    }

    .pagination-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .pagination-perpage {
        width: 100%;
        justify-content: space-between;
    }

    .pagination-list {
        justify-content: flex-start;
    }

    .pagination-jump {
        width: 100%;
        justify-content: center;
    }

    .article-title-detail {
        font-size: 2.25rem;
    }

    .article-subtitle {
        font-size: 1.25rem;
    }

    .article-meta-detail {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .article-navigation {
        grid-template-columns: 1fr;
    }

    .related-grid {
        grid-template-columns: 1fr;
    }

    .author-bio-detail {
        flex-direction: column;
        text-align: center;
    }

    .author-bio-links {
        justify-content: center;
    }
    .category-badge{
        font-size: 0.675rem;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 1rem;
    }

    .category-list {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }

    .category-item {
        white-space: nowrap;
    }

    .featured-card {
        margin-bottom: 1.5rem;
    }

    .topics-grid {
        grid-template-columns: 1fr;
    }

    .report-card {
        flex-direction: column;
    }

    .report-img {
        flex: 0 0 auto;
        width: 100%;
    }

    .articles-grid {
        grid-template-columns: 1fr;
    }

    .article-card.featured {
        grid-column: 1;
    }

    .page-meta {
        flex-direction: column;
        gap: 1rem;
    }

    .control-filters {
        flex-direction: column;
    }

    .filter-item {
        width: 100%;
    }

    .sort-tabs {
        justify-content: center;
    }

    .pagination-link.prev,
    .pagination-link.next {
        padding: 0 1rem;
    }

    .article-title-detail {
        font-size: 1.6rem;
        margin: 0;
    }

    .article-content-detail h2 {
        font-size: 1.75rem;
    }

    .article-content-detail h3 {
        font-size: 1.25rem;
    }

    .article-content-detail {
        font-size: 1rem;
        padding: 1.5rem;
    }

    .article-header-detail,
    .article-footer-detail {
        padding: 1.5rem;
    }

    .content-highlight {
        flex-direction: column;
        text-align: center;
    }

    .highlight-icon {
        margin-bottom: 0.5rem;
    }

    .related-articles-detail{
        box-shadow: none;
        padding: 0;
    }
    .related-header{
        padding: 0;
    }
    .related-grid{
        padding: 20px 0;
    }
    .implementation-table .table-header,
    .implementation-table .table-row {
        grid-template-columns: 1fr;
    }

    .share-buttons-detail {
        justify-content: center;
    }

    .comment-item.nested {
        margin-left: 1.5rem;
    }
}

/* Print Styles */
@media print {

    .header,
    .category-nav,
    .breadcrumb-section,
    .sidebar-area,
    .share-widget-detail,
    .article-navigation,
    .comment-section-detail,
    .related-articles-detail,
    .newsletter,
    .footer,
    .back-to-top {
        display: none;
    }

    .main-content {
        padding-top: 0;
    }

    .article-detail {
        box-shadow: none;
        border: none;
    }

    .article-content-detail {
        font-size: 12pt;
    }

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

    .article-link::after {
        content: " (" attr(href) ")";
        font-size: 10pt;
        color: #666;
    }

    .breadcrumb-section,
    .list-controls-section,
    .sidebar-area,
    .newsletter,
    .back-to-top {
        display: none;
    }

    .content-layout {
        grid-template-columns: 1fr;
    }

    .articles-grid {
        grid-template-columns: 1fr;
    }

    .article-card {
        break-inside: avoid;
        margin-bottom: 1.5rem;
    }
}