:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --bg-dark: #1a1c2c;
    --bg-light: #2a2e43;
    --text-color: #ecf0f1;
    --highlight: #f1c40f;
    --card-bg: rgba(42, 46, 67, 0.7);
    --gradient-start: #3a7bd5;
    --gradient-end: #3a6073;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-color);
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    background-attachment: fixed;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
    position: relative;
}

/* Header and Navigation */
header {
    background-color: rgba(26, 28, 44, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--highlight);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

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

nav a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

nav a:hover, 
nav a.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--highlight);
    transform: translateY(-2px);
}

.cta-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    background-color: var(--accent-color);
    color: white;
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-transform: uppercase;
    font-size: 0.9rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

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

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Page Header */
.page-header {
    padding-top: 120px;
    padding-bottom: 50px;
    text-align: center;
    position: relative;
    background-color: rgba(26, 28, 44, 0.7);
}

.page-header h1 {
    font-size: 3rem;
    color: var(--highlight);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.breadcrumb a {
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s;
}

.breadcrumb a:hover {
    color: var(--highlight);
}

.breadcrumb .separator {
    color: var(--secondary-color);
}

.breadcrumb .current {
    color: var(--secondary-color);
}

/* News Section */
.news-section {
    padding: 4rem 2rem;
}

.news-filters {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding: 1rem;
    background-color: var(--card-bg);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.filter-categories {
    display: flex;
    gap: 1rem;
}

.filter-btn {
    background-color: transparent;
    border: 1px solid var(--secondary-color);
    color: var(--text-color);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.9rem;
    text-decoration: none;
    display: inline-block;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--secondary-color);
    color: white;
}

.search-box {
    display: flex;
    gap: 0.5rem;
}

.search-input {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    min-width: 200px;
}

.search-btn {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.search-btn:hover {
    background-color: var(--highlight);
}

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

.news-item {
    display: flex;
    background-color: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.news-image {
    flex: 0 0 300px;
    position: relative;
    overflow: hidden;
}

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

.news-item:hover .news-image img {
    transform: scale(1.05);
}

.news-category {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: var(--accent-color);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 600;
}

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

.news-date {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.news-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s;
}

.news-title a:hover {
    color: var(--secondary-color);
}


.news-item:hover .news-title {
    color: var(--secondary-color);
}

.news-excerpt {
    color: var(--text-color);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    font-size: 0.9rem;
}

.news-author {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.author-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    object-fit: cover;
}

.read-more {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s;
}

.read-more:hover {
    color: var(--highlight);
    transform: translateX(5px);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 3rem;
}

.pagination a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background-color: var(--card-bg);
    color: var(--text-color);
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.pagination a:hover,
.pagination a.active {
    background-color: var(--secondary-color);
    color: white;
}

/* Featured News */
.featured-news {
    margin-bottom: 4rem;
}

.featured-news-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.featured-news-header h2 {
    color: var(--highlight);
    font-size: 1.8rem;
}

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

.featured-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    height: 300px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.featured-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.featured-image {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    transition: transform 0.5s;
}

.featured-item:hover .featured-image {
    transform: scale(1.05);
}

.featured-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    z-index: 1;
}

.featured-category {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.featured-title {
    color: white;
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}

.featured-item:hover .featured-title {
    color: var(--highlight);
}

.featured-date {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.featured-link {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

/* No Results */
.no-results {
    text-align: center;
    padding: 3rem;
    background-color: var(--card-bg);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.no-results i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.no-results h3 {
    color: var(--highlight);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.no-results p {
    color: var(--text-color);
    margin-bottom: 1.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* News Detail */
.news-detail {
    padding: 4rem 2rem;
}

.news-detail-container {
    background-color: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.news-detail-header {
    position: relative;
    height: 400px;
    overflow: hidden;
}

.news-detail-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-detail-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
}

.news-detail-title {
    color: white;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.news-detail-meta {
    display: flex;
    align-items: center;
    gap: 2rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.news-detail-meta > div {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.news-detail-body {
    padding: 2rem;
}

.news-detail-content {
    line-height: 1.8;
    font-size: 1.1rem;
}

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

.news-detail-content h2, 
.news-detail-content h3, 
.news-detail-content h4 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--highlight);
}

.news-detail-content ul, 
.news-detail-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.news-detail-content li {
    margin-bottom: 0.5rem;
}

.news-detail-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1.5rem 0;
}

.news-detail-footer {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.social-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    text-decoration: none;
}

.social-btn:hover {
    transform: translateY(-3px);
}

.social-btn.facebook:hover {
    background-color: #1877f2;
    color: white;
}

.social-btn.twitter:hover {
    background-color: #1da1f2;
    color: white;
}

.social-btn.weibo:hover {
    background-color: #e6162d;
    color: white;
}

.social-btn.wechat:hover {
    background-color: #07c160;
    color: white;
}

.news-navigation {
    margin-top: 3rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.news-nav-item {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.news-nav-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.news-nav-item.prev {
    text-align: left;
}

.news-nav-item.next {
    text-align: right;
    flex-direction: row-reverse;
}

.news-nav-arrow {
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.news-nav-content h4 {
    color: var(--text-color);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.news-nav-content p {
    color: var(--highlight);
    font-weight: 600;
}

/* Related News */
.related-news {
    margin-top: 4rem;
}

.related-news h2 {
    color: var(--highlight);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

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

/* Admin Panel */
.admin-login {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    width: 400px;
    max-width: 90%;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    color: var(--highlight);
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

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

.login-form label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.login-form input {
    width: 100%;
    padding: 0.75rem;
    border: none;
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
}

.login-form button {
    width: 100%;
    padding: 0.75rem;
    margin-top: 1rem;
}

.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
}

.alert-error {
    background-color: rgba(231, 76, 60, 0.2);
    border: 1px solid rgba(231, 76, 60, 0.5);
    color: #e74c3c;
}

.alert-success {
    background-color: rgba(46, 204, 113, 0.2);
    border: 1px solid rgba(46, 204, 113, 0.5);
    color: #2ecc71;
}

.alert-info {
    background-color: rgba(52, 152, 219, 0.2);
    border: 1px solid rgba(52, 152, 219, 0.5);
    color: #3498db;
}

/* Admin Dashboard */
.admin-container {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 250px;
    background-color: var(--bg-dark);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.admin-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--highlight);
    text-decoration: none;
    font-size: 1.3rem;
    font-weight: 700;
    padding: 0 1.5rem;
    margin-bottom: 2rem;
}

.admin-nav {
    list-style: none;
}

.admin-nav-item {
    margin-bottom: 0.5rem;
}

.admin-nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-color);
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s;
}

.admin-nav-link:hover,
.admin-nav-link.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--highlight);
}

.admin-nav-icon {
    width: 20px;
    text-align: center;
}

.admin-content {
    flex: 1;
    margin-left: 250px;
    padding: 2rem;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.admin-header h1 {
    color: var(--highlight);
    font-size: 1.8rem;
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.admin-user-name {
    color: var(--text-color);
}

.admin-logout {
    color: var(--accent-color);
    text-decoration: none;
    transition: all 0.3s;
}

.admin-logout:hover {
    color: var(--highlight);
}

.admin-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.admin-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.admin-card-title {
    color: var(--highlight);
    font-size: 1.3rem;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th,
.admin-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.admin-table th {
    color: var(--secondary-color);
    font-weight: 600;
}

.admin-table tbody tr {
    transition: all 0.3s;
}

.admin-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.admin-table .actions {
    display: flex;
    gap: 0.5rem;
}

.admin-table .actions a {
    width: 30px;
    height: 30px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s;
}

.admin-table .actions a:hover {
    transform: translateY(-2px);
}

.admin-table .edit-btn {
    background-color: rgba(52, 152, 219, 0.2);
}

.admin-table .edit-btn:hover {
    background-color: #3498db;
    color: white;
}

.admin-table .delete-btn {
    background-color: rgba(231, 76, 60, 0.2);
}

.admin-table .delete-btn:hover {
    background-color: #e74c3c;
    color: white;
}

.admin-table .view-btn {
    background-color: rgba(46, 204, 113, 0.2);
}

.admin-table .view-btn:hover {
    background-color: #2ecc71;
    color: white;
}

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

.admin-form label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.admin-form input[type="text"],
.admin-form input[type="email"],
.admin-form input[type="password"],
.admin-form select,
.admin-form textarea {
    width: 100%;
    padding: 0.75rem;
    border: none;
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
}

.admin-form select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23ecf0f1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.7em top 50%;
    background-size: 1em auto;
    padding-right: 2.5em;
}

.admin-form textarea {
    min-height: 200px;
    resize: vertical;
}

.admin-form .checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-form .checkbox-group input[type="checkbox"] {
    width: auto;
}

/* Footer */
footer {
    background-color: rgba(26, 28, 44, 0.9);
    padding: 3rem 2rem 2rem;
    position: relative;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-column h3 {
    color: var(--highlight);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: var(--secondary-color);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links a:hover {
    color: var(--highlight);
    transform: translateX(5px);
}

.footer-newsletter p {
    margin-bottom: 1rem;
}

.newsletter-form {
    display: flex;
}

.newsletter-input {
    flex: 1;
    padding: 0.75rem;
    border: none;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 4px 0 0 4px;
    color: var(--text-color);
}

.newsletter-btn {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 0 1rem;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    transition: all 0.3s;
}

.newsletter-btn:hover {
    background-color: var(--highlight);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease-out forwards;
    opacity: 0;
}

/* Responsiveness */
@media (max-width: 968px) {
    .featured-slider {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .related-news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-content {
        padding: 1rem;
    }
    
    nav ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-dark);
        flex-direction: column;
        gap: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    nav ul.show {
        display: flex;
    }
    
    nav li {
        width: 100%;
    }
    
    nav a {
        padding: 1rem;
        display: block;
        text-align: center;
        border-radius: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    
    .cta-buttons {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .news-item {
        flex-direction: column;
    }
    
    .news-image {
        flex: 0 0 200px;
        width: 100%;
    }
    
    .featured-slider {
        grid-template-columns: 1fr;
    }
    
    .news-filters {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .search-box {
        width: 100%;
    }
    
    .search-input {
        flex: 1;
    }
    
    .filter-categories {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .news-navigation {
        grid-template-columns: 1fr;
    }
    
    .related-news-grid {
        grid-template-columns: 1fr;
    }
    
    .admin-container {
        flex-direction: column;
    }
    
    .admin-sidebar {
        width: 100%;
        height: auto;
        position: static;
        padding: 1rem 0;
    }
    
    .admin-content {
        margin-left: 0;
    }
}