/* =====================================================
   Daily News HK - Styles
   Modern, Clean, Professional News UI/UX
   ===================================================== */

/* CSS Variables */
:root {
    /* Colors */
    --primary: #c41e3a;
    --primary-dark: #a01830;
    --primary-light: #e8364f;
    --secondary: #1a365d;
    --accent: #f6ad55;

    /* Light Theme */
    --bg-primary: #ffffff;
    --bg-secondary: #f7f8fa;
    --bg-tertiary: #edf2f7;
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft JhengHei", "PingFang TC", "Noto Sans TC", sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #1a202c;
    --bg-secondary: #2d3748;
    --bg-tertiary: #4a5568;
    --text-primary: #f7fafc;
    --text-secondary: #e2e8f0;
    --text-muted: #a0aec0;
    --border-color: #4a5568;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* Reset & Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
    color: var(--primary);
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
.header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    gap: var(--spacing-md);
}

.logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    font-size: 2rem;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary);
}

.logo-subtitle {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-left: var(--spacing-xs);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Search Box */
.search-box {
    display: flex;
    align-items: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xs) var(--spacing-sm);
    transition: all var(--transition-fast);
}

.search-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(196, 30, 58, 0.1);
}

.search-box input {
    border: none;
    background: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    width: 200px;
    outline: none;
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.search-box button {
    padding: var(--spacing-xs);
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.search-box button:hover {
    color: var(--primary);
}

/* Theme Toggle */
.theme-toggle {
    padding: var(--spacing-sm);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--bg-secondary);
    color: var(--primary);
}

.theme-toggle .moon-icon {
    display: none;
}

[data-theme="dark"] .theme-toggle .sun-icon {
    display: none;
}

[data-theme="dark"] .theme-toggle .moon-icon {
    display: block;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* Navigation */
.nav {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: var(--spacing-sm) 0;
}

.nav-list::-webkit-scrollbar {
    display: none;
}

.nav-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: rgba(196, 30, 58, 0.08);
}

/* Ticker */
.ticker {
    background: var(--primary);
    color: white;
    padding: var(--spacing-sm) 0;
    overflow: hidden;
}

.ticker .container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.ticker-label {
    background: white;
    color: var(--primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 700;
    flex-shrink: 0;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.ticker-content {
    flex: 1;
    overflow: hidden;
}

.ticker-wrapper {
    display: flex;
    animation: ticker 30s linear infinite;
}

.ticker-item {
    white-space: nowrap;
    padding-right: var(--spacing-2xl);
    font-size: var(--font-size-sm);
}

@keyframes ticker {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Main Content */
.main {
    padding: var(--spacing-xl) 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    grid-template-areas:
        "featured featured"
        "news sidebar";
    gap: var(--spacing-xl);
}

/* Featured Section */
.featured-section {
    grid-area: featured;
}

.featured-card {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.featured-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.featured-link {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    text-decoration: none;
    color: inherit;
}

.featured-link:hover {
    color: inherit;
}

@media (max-width: 1024px) {
    .featured-link {
        grid-template-columns: 1fr;
    }
}

/* Featured Icon Box */
.featured-icon-box {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    min-height: 280px;
    overflow: hidden;
}

.featured-icon {
    font-size: 8rem;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
    transition: transform var(--transition-slow);
}

.featured-card:hover .featured-icon {
    transform: scale(1.1);
}

.featured-image {
    position: relative;
    overflow: hidden;
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.category-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: var(--primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.featured-content {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

.featured-title a:hover {
    color: var(--primary);
}

.featured-excerpt {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.featured-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* News Section */
.news-section {
    grid-area: news;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    position: relative;
    padding-left: var(--spacing-md);
}

.section-title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 24px;
    background: var(--primary);
    border-radius: 2px;
}

.view-options {
    display: flex;
    gap: var(--spacing-xs);
}

.view-btn {
    padding: var(--spacing-sm);
    color: var(--text-muted);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.view-btn:hover,
.view-btn.active {
    background: var(--bg-tertiary);
    color: var(--primary);
}

/* News Grid */
.news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.news-grid.list-view {
    grid-template-columns: 1fr;
}

.news-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.news-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.news-card-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.news-card-link:hover {
    color: inherit;
}

/* News Card Icon Box */
.news-card-icon-box {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    aspect-ratio: 16/10;
    overflow: hidden;
}

.news-card-icon {
    font-size: 4rem;
    transition: transform var(--transition-slow);
}

.news-card:hover .news-card-icon {
    transform: scale(1.15);
}

.news-grid.list-view .news-card-icon-box {
    aspect-ratio: auto;
    height: 100%;
    min-height: 120px;
}

.news-grid.list-view .news-card {
    display: grid;
    grid-template-columns: 200px 1fr;
}

.news-grid.list-view .news-card-link {
    display: grid;
    grid-template-columns: 200px 1fr;
}

.news-card-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
}

.news-grid.list-view .news-card-image {
    aspect-ratio: auto;
    height: 100%;
}

.news-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.news-card:hover .news-card-image img {
    transform: scale(1.08);
}

.news-card-badge {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    background: var(--primary);
    color: white;
    padding: 2px var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.news-card-content {
    padding: var(--spacing-md);
}

.news-card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.news-card-excerpt {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* Load More Button */
.load-more-btn {
    display: block;
    width: 100%;
    padding: var(--spacing-md) var(--spacing-xl);
    margin-top: var(--spacing-xl);
    background: var(--bg-primary);
    color: var(--primary);
    border: 2px solid var(--primary);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-fast);
}

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

/* Sidebar */
.sidebar {
    grid-area: sidebar;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.sidebar-widget {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.widget-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-color);
}

.widget-title svg {
    color: var(--primary);
}

/* Trending List */
.trending-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.trending-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

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

.trending-item:nth-child(-n+3) .trending-rank {
    background: var(--primary);
    color: white;
}

.trending-item a {
    font-size: var(--font-size-sm);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.trending-item a:hover {
    color: var(--primary);
}

/* Weather Widget */
.weather-content {
    text-align: center;
}

.weather-main {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.weather-icon {
    font-size: 3rem;
}

.weather-temp {
    font-size: var(--font-size-3xl);
    font-weight: 700;
}

.weather-details {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Stock Widget */
.stock-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.stock-item {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
}

.stock-name {
    font-weight: 500;
}

.stock-value {
    font-weight: 600;
}

.stock-change {
    padding: 2px var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.stock-value.up,
.stock-change.up {
    color: #22c55e;
}

.stock-change.up {
    background: rgba(34, 197, 94, 0.1);
}

.stock-value.down,
.stock-change.down {
    color: #ef4444;
}

.stock-change.down {
    background: rgba(239, 68, 68, 0.1);
}

/* Newsletter Widget */
.newsletter-widget p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--primary);
}

.newsletter-form button {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--primary);
    color: white;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: background var(--transition-fast);
}

.newsletter-form button:hover {
    background: var(--primary-dark);
}

/* Categories Section */
.categories-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-primary);
}

.categories-section .section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-left: 0;
}

.categories-section .section-title::before {
    display: none;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-md);
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
}

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

.category-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.category-name {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.category-count {
    font-size: var(--font-size-xs);
    opacity: 0.7;
}

/* SEO Section */
.seo-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.seo-content {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.seo-content h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--primary);
}

.seo-content h3 {
    font-size: var(--font-size-lg);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    color: var(--secondary);
}

.seo-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

/* Footer */
.footer {
    background: var(--secondary);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-about .footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.footer-about .logo-icon {
    font-size: 1.5rem;
}

.footer-about .logo-text {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: white;
}

.footer-about > p {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

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

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

.footer-links h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.5);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 50;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

[data-theme="dark"] .loading-overlay {
    background: rgba(26, 32, 44, 0.9);
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr;
        grid-template-areas:
            "featured"
            "news"
            "sidebar";
    }

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

    .featured-image {
        aspect-ratio: 16/9;
    }

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

    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

@media (max-width: 768px) {
    .search-box {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        box-shadow: var(--shadow-lg);
        z-index: 99;
    }

    .nav.active {
        transform: translateX(0);
    }

    .nav-list {
        flex-direction: column;
        padding: var(--spacing-md);
    }

    .nav-link {
        display: block;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--border-color);
    }

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

    .news-grid.list-view .news-card {
        grid-template-columns: 1fr;
    }

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

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

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }

    .seo-content {
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .logo-subtitle {
        display: none;
    }

    .featured-title {
        font-size: var(--font-size-xl);
    }

    .featured-content {
        padding: var(--spacing-md);
    }

    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .category-card {
        padding: var(--spacing-md);
    }

    .category-icon {
        font-size: 2rem;
    }
}

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

.news-card {
    animation: fadeIn 0.5s ease forwards;
}

.news-card:nth-child(2) { animation-delay: 0.1s; }
.news-card:nth-child(3) { animation-delay: 0.2s; }
.news-card:nth-child(4) { animation-delay: 0.3s; }
.news-card:nth-child(5) { animation-delay: 0.4s; }
.news-card:nth-child(6) { animation-delay: 0.5s; }

/* Search Results Highlight */
.search-highlight {
    background: rgba(196, 30, 58, 0.2);
    padding: 0 2px;
    border-radius: 2px;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--secondary);
    color: white;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 1000;
}

.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.toast.success {
    background: #22c55e;
}

.toast.error {
    background: #ef4444;
}

/* Article Page Styles */
.article-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
}

.article-header {
    margin-bottom: var(--spacing-xl);
}

.article-header .category-badge {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.article-header h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.article-meta {
    display: flex;
    gap: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.article-body {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--text-secondary);
}

.article-body .lead {
    font-size: var(--font-size-xl);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border-color);
}

.article-body h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: var(--spacing-xl) 0 var(--spacing-md);
}

.article-body h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.article-body p {
    margin-bottom: var(--spacing-md);
}

.article-body ul,
.article-body ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
}

.article-body li {
    margin-bottom: var(--spacing-sm);
}

.article-body strong {
    color: var(--text-primary);
    font-weight: 600;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.article-tags .tag {
    display: inline-block;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

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

@media (max-width: 768px) {
    .article-content {
        padding: var(--spacing-lg);
        border-radius: 0;
    }

    .article-header h1 {
        font-size: var(--font-size-2xl);
    }

    .article-body {
        font-size: var(--font-size-base);
    }

    .article-body .lead {
        font-size: var(--font-size-lg);
    }

    .article-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* Print Styles */
@media print {
    .header,
    .nav,
    .ticker,
    .sidebar,
    .categories-section,
    .back-to-top,
    .load-more-btn {
        display: none !important;
    }

    .content-grid {
        display: block;
    }

    .news-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}