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

:root {
    /* Light mode colors */
    --primary-green: #4CAF50;
    --dark-green: #2E7D32;
    --light-green: #81C784;
    --very-light-green: #E8F5E9;
    --accent-green: #66BB6A;
    --accent-blue: #42A5F5;
    --danger-color: #f44336;
    --danger-dark: #d32f2f;
    --text-dark: #2D3748;
    --text-light: #718096;
    --text-muted: #A0AEC0;
    --white: #ffffff;
    --gray-50: #F7FAFC;
    --gray-100: #EDF2F7;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E0;
    --gray-400: #A0AEC0;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --border-light: 1px solid var(--gray-200);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-green) 0%, var(--dark-green) 100%);
    --gradient-light: linear-gradient(135deg, var(--very-light-green) 0%, var(--light-green) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-blue) 100%);
    --gradient-gray: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
    
    /* Shadows with depth */
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-elevated: 0 10px 30px rgba(0, 0, 0, 0.12);
    --shadow-hover: 0 15px 35px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-transform: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-all: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-color: color 0.3s ease;
    --transition-background: background-color 0.3s ease;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-md: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 30px;
    --font-size-4xl: 36px;
    --font-size-5xl: 42px;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.7;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
}

/* Search Form Styles */
.search-form {
    display: flex;
    max-width: 600px;
    margin: var(--space-6) auto 0;
    gap: var(--space-2);
    width: 100%;
}

.search-input {
    flex: 1;
    padding: var(--space-4) var(--space-6);
    border: var(--border-light);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-md);
    font-family: var(--font-family);
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-all);
    position: relative;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
    transform: translateY(-1px);
}

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

.search-input:focus::placeholder {
    color: var(--text-light);
}

/* Search form animation */
.search-form {
    animation: fadeInDown 0.5s ease-out;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.search-btn {
    padding: var(--space-4) var(--space-8);
    border: none;
    border-radius: var(--radius-lg);
    background: var(--gradient-primary);
    color: var(--white);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-medium);
    font-family: var(--font-family);
    cursor: pointer;
    transition: var(--transition-all);
    box-shadow: var(--shadow-sm);
}

.search-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    opacity: 0.95;
}

.search-btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -9999px;
    left: -9999px;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
    z-index: -1;
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
}

.skip-link:focus,
.skip-link:focus-visible {
    position: absolute;
    top: 0;
    left: 0;
    width: auto;
    height: auto;
    padding: var(--space-4) var(--space-6);
    margin: 0;
    overflow: visible;
    clip: auto;
    clip-path: none;
    background-color: var(--primary-green);
    color: var(--white);
    text-decoration: none;
    z-index: 10000;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
    animation: slideInLeft 0.3s ease-out;
}

/* Screen reader only class */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Base styles */
html {
    scroll-behavior: smooth;
    height: 100%;
    font-size: 16px;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-family);
    line-height: var(--line-height-relaxed);
    color: var(--text-dark);
    background-color: var(--gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: background-color var(--transition-normal);
    text-rendering: optimizeLegibility;
    font-feature-settings: 'kern' 1, 'liga' 1, 'dlig' 1;
}

/* Font loading optimization - Inter font loaded via Google Fonts in header.php */

/* Container styles */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-5);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--text-dark);
    margin-bottom: var(--space-4);
}

h1 {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-extrabold);
    letter-spacing: -0.025em;
}

h2 {
    font-size: var(--font-size-4xl);
    letter-spacing: -0.02em;
}

h3 {
    font-size: var(--font-size-3xl);
    letter-spacing: -0.015em;
}

h4 {
    font-size: var(--font-size-2xl);
    letter-spacing: -0.01em;
}

h5 {
    font-size: var(--font-size-xl);
}

h6 {
    font-size: var(--font-size-lg);
}

p {
    margin-bottom: var(--space-6);
}

/* Links */
a {
    color: var(--primary-green);
    text-decoration: none;
    transition: all var(--transition-normal);
}

a:hover {
    color: var(--dark-green);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4) var(--space-8);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    z-index: 1;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: var(--font-weight-semibold);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
    z-index: -1;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width var(--transition-slow), height var(--transition-slow);
    z-index: -1;
}

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

.btn:hover::before {
    left: 100%;
}

.btn:hover::after {
    width: 300px;
    height: 300px;
}

.btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn:focus {
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
}

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

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

.btn-secondary {
    background-color: var(--gray-300);
    color: var(--text-dark);
}

.btn-secondary:hover {
    background-color: var(--gray-200);
    color: var(--text-dark);
}

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

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

/* Header styles */
header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 9999;
    transition: box-shadow var(--transition-normal), background-color var(--transition-normal);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    margin: 0;
    padding: 0;
    overflow: visible;
}

header:hover {
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) 0;
    flex-wrap: nowrap;
    gap: var(--space-2);
    width: 100%;
    min-height: 80px;
    overflow: visible;
    position: relative;
    z-index: 1000;
}

/* Logo styles */
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--dark-green);
    font-size: 2.0rem;
    font-weight: var(--font-weight-bold);
    transition: all var(--transition-normal);
    letter-spacing: -0.015em;
    flex-shrink: 0;
    white-space: nowrap;
}

.logo:hover {
    transform: translateY(-2px);
}

.logo img {
    height: 42px;
    margin-right: var(--space-3);
    transition: all var(--transition-normal);
    border-radius: var(--radius-sm);
}

.logo img:hover {
    transform: scale(1.05);
}

/* Logo error state - for CSP compliance */
.logo-error {
    display: none !important;
}

/* Navigation styles */
nav {
    display: flex;
    align-items: center;
    flex: 1;
    justify-content: flex-end;
    min-width: 0;
    overflow-x: auto;
    overflow-y: visible;
    white-space: nowrap;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 0.25rem;
    align-items: center;
    margin: 0;
    padding: 0;
    flex-wrap: nowrap;
    min-width: 0;
    white-space: nowrap;
    overflow-x: visible;
    overflow-y: visible;
    scrollbar-width: thin;
    scrollbar-color: var(--gray-300) var(--gray-100);
    padding-bottom: 0.5rem;
    position: relative;
    z-index: 100;
}

nav ul::-webkit-scrollbar {
    height: 4px;
}

nav ul::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: var(--radius-sm);
}

nav ul::-webkit-scrollbar-thumb {
    background-color: var(--gray-300);
    border-radius: var(--radius-sm);
}

nav ul::-webkit-scrollbar-thumb:hover {
    background-color: var(--gray-400);
}

nav li {
    display: inline-block;
    position: relative;
    z-index: 1000;
}

nav a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-normal);
    display: inline-block;
    position: relative;
    padding: var(--space-3) var(--space-3);
    font-size: var(--font-size-md);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    overflow: hidden;
}

@media (min-width: 768px) {
    nav a {
        padding: var(--space-3) var(--space-4);
        font-size: var(--font-size-lg);
    }
}

nav a:hover {
    background-color: var(--very-light-green);
    color: var(--primary-green);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--primary-green);
    transition: width var(--transition-normal), left var(--transition-normal);
    transform: translateX(-50%);
}

nav a:hover::after {
    width: 100%;
    left: 0;
    transform: translateX(0);
}

nav a:focus {
    outline: none;
    color: var(--primary-green);
    background-color: var(--very-light-green);
}

nav a:focus::after {
    width: 100%;
    left: 0;
    transform: translateX(0);
}

/* Navigation item animation */
nav li {
    animation: navItemFadeIn 0.5s ease-out;
}

@keyframes navItemFadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Staggered animation delay for navigation items */
nav li:nth-child(1) { animation-delay: 0.1s; }
nav li:nth-child(2) { animation-delay: 0.2s; }
nav li:nth-child(3) { animation-delay: 0.3s; }
nav li:nth-child(4) { animation-delay: 0.4s; }
nav li:nth-child(5) { animation-delay: 0.5s; }
nav li:nth-child(6) { animation-delay: 0.6s; }

/* Language selector styles */
.language-selector {
    position: relative;
    z-index: 999999;
    cursor: pointer;
}

.language-btn {
    background: var(--white);
    border: 1px solid var(--gray-300);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    transition: all var(--transition-normal);
    white-space: nowrap;
    flex-shrink: 0;
    min-width: max-content;
    box-shadow: var(--shadow-sm);
    position: relative;
    z-index: 999999;
    pointer-events: auto;
}

.language-btn:hover {
    background-color: var(--very-light-green);
    border-color: var(--primary-green);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.language-btn:focus {
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
}

.language-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background-color: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-xl);
    min-width: 180px;
    z-index: 999999;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.language-dropdown.show {
    display: block;
    opacity: 1;
    transform: translateY(0);
    animation: dropdownSlideIn 0.3s ease-out;
}

@keyframes dropdownSlideIn {
    from {
        opacity: 0;
        transform: translateY(-10px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.language-dropdown a {
    display: block;
    padding: var(--space-3) var(--space-4);
    text-decoration: none;
    color: var(--text-dark);
    transition: all var(--transition-normal);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    border-bottom: 1px solid var(--gray-100);
}

.language-dropdown a:last-child {
    border-bottom: none;
}

.language-dropdown a:hover {
    background-color: var(--very-light-green);
    color: var(--primary-green);
    padding-left: var(--space-5);
    transform: translateX(2px);
}

.language-dropdown a:focus {
    outline: none;
    background-color: var(--light-green);
    color: var(--white);
}

/* RTL support for language selector */
.rtl .language-dropdown {
    right: auto;
    left: 0;
}

.rtl .language-dropdown a:hover {
    padding-left: var(--space-4);
    padding-right: var(--space-5);
    transform: translateX(-2px);
}

/* Mobile menu styles */
.nav-menu {
    transition: all var(--transition-normal);
    width: 100%;
    overflow: visible;
    position: relative;
    z-index: 1000;
}

/* Fix language dropdown on mobile */
@media (max-width: 768px) {
    .language-selector {
        flex-shrink: 0;
    }
    
    .language-dropdown {
        position: fixed;
        top: 70px;
        right: 20px;
    }
    
    /* RTL support for language dropdown on mobile */
    .rtl .language-dropdown {
        right: auto;
        left: 20px;
    }
    
    nav {
        overflow: visible !important;
        height: 40px;
        display: flex;
        align-items: center;
        position: relative;
        z-index: 1000;
    }
    
    nav ul {
        overflow-x: auto !important;
        overflow-y: hidden !important;
        position: relative;
        z-index: 1000;
        height: 100%;
        align-items: center;
        flex-wrap: nowrap;
        scroll-behavior: smooth;
        -webkit-overflow-scrolling: touch;
    }
    
    nav ul::-webkit-scrollbar {
        height: 3px;
    }
    
    nav ul::-webkit-scrollbar-track {
        background: var(--gray-100);
        border-radius: var(--radius-sm);
    }
    
    nav ul::-webkit-scrollbar-thumb {
        background-color: var(--gray-300);
        border-radius: var(--radius-sm);
        transition: background-color 0.3s ease;
    }
    
    nav ul::-webkit-scrollbar-thumb:hover {
        background-color: var(--gray-400);
    }
    
    header {
        z-index: 999998;
        overflow: visible;
    }
    
    .header-content {
        z-index: 999998;
        position: relative;
        overflow: visible;
    }
    
    /* Ensure main content doesn't overlap with header */
    main {
        position: relative;
        z-index: 1;
        margin-top: 80px;
    }
    
    /* Optimize language button for mobile */
    .language-btn {
        padding: var(--space-2) var(--space-3);
        font-size: 9px;
    }
}

/* Main content styles */
main {
    flex: 1;
    padding: 100px 0 var(--space-10);
    margin-top: 0;
    /* Add smooth scroll behavior */
    scroll-behavior: smooth;
}

/* Performance optimization: Reduce repaints and reflows */
/* Only apply will-change to elements that actually need it */
.article-card,
.btn,
.language-btn,
.language-dropdown,
.loading-spinner {
    will-change: transform, box-shadow, opacity;
}

/* Optimize animations for better performance */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Loading screen styles */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--white);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--gray-200);
    border-top: 3px solid var(--primary-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loaded {
    opacity: 0;
    visibility: hidden;
}

/* RTL support for loading spinner */
.rtl .loading-spinner {
    margin-right: 0;
    margin-left: 10px;
}

/* Optimize article cards */
.article-card {
    background-color: var(--white);
    border: var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    animation: articleCardFadeIn 0.8s ease-out;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    height: 100%;
    transform: translateY(0);
    will-change: transform, box-shadow;
}

.article-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-green);
}

/* Article card animation */
@keyframes articleCardFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Staggered animation delay for article cards */
.article-card:nth-child(1) { animation-delay: 0.1s; }
.article-card:nth-child(2) { animation-delay: 0.2s; }
.article-card:nth-child(3) { animation-delay: 0.3s; }
.article-card:nth-child(4) { animation-delay: 0.4s; }
.article-card:nth-child(5) { animation-delay: 0.5s; }
.article-card:nth-child(6) { animation-delay: 0.6s; }
.article-card:nth-child(7) { animation-delay: 0.7s; }
.article-card:nth-child(8) { animation-delay: 0.8s; }

/* Article card image hover effect */
.article-card img:hover {
    transform: scale(1.05);
}

/* Article card title hover effect */
.article-card-title a:hover {
    color: var(--primary-green);
    transform: translateX(3px);
}

/* Read more button hover effect */
.read-more:hover {
    color: var(--dark-green);
    transform: translateX(8px);
    gap: 10px;
}



/* Optimize responsive design */
/* Optimize accessibility */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Optimize high contrast mode */
@media (prefers-contrast: high) {
    :root {
        --primary-green: #006400;
        --dark-green: #004d00;
        --light-green: #008000;
        --text-dark: #000000;
        --text-light: #333333;
        --border-light: 2px solid var(--text-dark);
    }
    
    @media (prefers-color-scheme: dark) {
        :root {
            --primary-green: #90ee90;
            --dark-green: #7cfc00;
            --light-green: #32cd32;
            --text-dark: #ffffff;
            --text-light: #f0f0f0;
            --border-light: 2px solid var(--text-dark);
        }
    }
}

/* Responsive styles */
@media (max-width: 768px) {
    /* Header styles */
    .header-content {
        flex-direction: column;
        align-items: center;
        padding: var(--space-1) 0;
        gap: var(--space-1);
        width: 100%;
    }
    
    .logo {
        font-size: var(--font-size-lg);
    }
    
    .logo img {
        height: 28px;
    }
    
    nav {
        width: 100%;
        justify-content: center;
        overflow-y: visible;
    }
    
    nav ul {
        flex-direction: row;
        align-items: center;
        justify-content: flex-start;
        gap: var(--space-3);
        overflow-x: auto;
        overflow-y: visible;
        white-space: nowrap;
        padding: var(--space-1) 0;
        width: 100%;
        scrollbar-width: thin;
        scrollbar-color: var(--gray-300) var(--gray-100);
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
        scroll-behavior: smooth;
    }
    
    nav ul::-webkit-scrollbar {
        height: 3px;
    }
    
    nav ul::-webkit-scrollbar-track {
        background: var(--gray-100);
        border-radius: var(--radius-sm);
    }
    
    nav ul::-webkit-scrollbar-thumb {
        background-color: var(--gray-300);
        border-radius: var(--radius-sm);
    }
    
    nav li {
        min-width: max-content;
    }
    
    nav a {
        padding: var(--space-2) var(--space-3);
        font-size: 10px;
        border-radius: var(--radius-sm);
        white-space: nowrap;
        font-weight: var(--font-weight-medium);
        display: block;
    }
    
    nav a:hover {
        background-color: var(--very-light-green);
        padding-left: var(--space-3);
        padding-right: var(--space-3);
    }
    
    /* Language button */
    .language-btn {
        padding: var(--space-2) var(--space-3);
        font-size: 9px;
        white-space: nowrap;
        border: 1px solid var(--gray-300);
        min-width: max-content;
    }
    
    /* Main content */
    main {
        padding-top: 100px;
    }
    
    /* Article grid */
    .article-grid {
        grid-template-columns: 1fr;
        gap: var(--space-5);
    }
    
    .article-card {
        margin-bottom: 0;
        animation: fadeInUp 0.8s ease-out;
    }
    
    .article-card-content {
        padding: var(--space-5);
    }
    
    .article-card-title {
        font-size: var(--font-size-xl);
    }
    
    /* Article detail */
    .article-detail {
        padding: var(--space-8) var(--space-5);
    }
    
    .article-detail-title {
        font-size: var(--font-size-3xl);
    }
    
    /* Hero section */
    .hero {
        padding: var(--space-16) 0;
        margin-top: var(--space-5);
    }
    
    .hero h1 {
        font-size: var(--font-size-3xl);
    }
    
    .hero p {
        font-size: var(--font-size-md);
    }
    
    /* Search form */
    .search-form {
        flex-direction: column;
        gap: var(--space-3);
    }
    
    .search-input {
        width: 100%;
    }
    
    .search-btn {
        width: 100%;
    }
}

/* RTL support */
.rtl {
    direction: rtl;
    text-align: right;
}

.rtl nav ul {
    gap: var(--space-8);
    flex-direction: row-reverse;
}

.rtl .language-dropdown {
    right: auto;
    left: 0;
}

.rtl .read-more {
    flex-direction: row-reverse;
}

.rtl .read-more:hover {
    transform: translateX(-3px);
}

.rtl .back-link {
    flex-direction: row-reverse;
}

.rtl .back-link:hover {
    transform: translateX(5px);
}

.rtl .footer-bottom a:hover {
    transform: translateX(-5px);
}

.rtl .logo img {
    margin-right: 0;
    margin-left: var(--space-3);
}

/* RTL support for article cards */
.rtl .article-card-meta {
    flex-direction: row-reverse;
}

.rtl .article-card::before {
    left: auto;
    right: -100%;
}

.rtl .article-card:hover::before {
    right: 0;
    left: auto;
}

/* RTL support for article detail */
.rtl .article-detail-content h2::before {
    left: auto;
    right: 0;
}

.rtl .article-detail-content h2 {
    padding-left: 0;
    padding-right: 20px;
}

.rtl .article-detail-content ul,
.rtl .article-detail-content ol {
    padding-left: 0;
    padding-right: 35px;
}

.rtl .article-detail-content ul li::before {
    margin-left: 0;
    margin-right: -1em;
}

.rtl .article-detail-content ol li::before {
    margin-left: 0;
    margin-right: -1.5em;
}

.rtl .article-detail-content blockquote {
    border-left: none;
    border-right: 4px solid var(--primary-green);
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

/* RTL support for forms */
.rtl .form-group input[type="checkbox"],
.rtl .form-group input[type="radio"] {
    margin-right: 0;
    margin-left: 8px;
}

.rtl .search-form {
    flex-direction: row-reverse;
}

/* RTL support for buttons */
.rtl .btn::before {
    left: auto;
    right: -100%;
}

.rtl .btn:hover::before {
    right: 100%;
    left: auto;
}

/* RTL support for hero section */
.rtl .hero::before {
    right: auto;
    left: -20%;
}

/* RTL support for mobile menu */
@media (max-width: 768px) {
    .rtl nav ul {
        flex-direction: row-reverse;
    }
    
    .rtl .language-dropdown {
        right: auto;
        left: 20px;
    }
}

/* RTL support for footer */
.rtl .footer-bottom a::after {
    left: auto;
    right: 0;
}

/* RTL support for about section */
.rtl .about-section ul {
    padding-left: 0;
    padding-right: 20px;
}

/* RTL support for contact section */
.rtl .contact-info {
    border-left: none;
    border-right: 4px solid var(--primary-green);
}

/* RTL support for admin panel */
.rtl .admin-header {
    flex-direction: row-reverse;
}

.rtl .admin-actions {
    flex-direction: row-reverse;
}

.rtl .admin-table th,
.rtl .admin-table td {
    text-align: right;
}

/* RTL support for animations */
.rtl .loading-spinner {
    margin-right: 0;
    margin-left: 10px;
}

.rtl #loadMoreBtn:hover {
    transform: translateX(-3px);
}

/* RTL support for skeleton loading */
.rtl .skeleton-card {
    gap: 15px;
}

.hero {
    background: linear-gradient(135deg, var(--very-light-green) 0%, var(--light-green) 100%);
    padding: 60px 0;
    text-align: center;
    /* animation: heroSlideUp 0.8s ease-out; */
    box-shadow: var(--shadow-md);
    margin-bottom: 50px;
    border-radius: 0 0 30px 30px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 40%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0) 70%);
    animation: heroFloat 20s ease-in-out infinite;
}

@keyframes heroSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes heroFloat {
    0%, 100% {
        transform: translateX(0) rotate(0deg);
    }
    50% {
        transform: translateX(-20px) rotate(5deg);
    }
}

.hero h1 {
    color: var(--dark-green);
    font-size: 42px;
    margin-bottom: 20px;
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.2;
    position: relative;
    z-index: 2;
}

.hero p {
    color: var(--text-dark);
    font-size: 20px;
    max-width: 650px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    opacity: 0.9;
    font-weight: 300;
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 35px;
    margin-top: 50px;
}



.article-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform var(--transition-slow);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    background-color: var(--gray-200);
    background-image: linear-gradient(45deg, var(--gray-300) 25%, transparent 25%), linear-gradient(-45deg, var(--gray-300) 25%, transparent 25%), linear-gradient(45deg, transparent 75%, var(--gray-300) 75%), linear-gradient(-45deg, transparent 75%, var(--gray-300) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    min-height: 220px;
    aspect-ratio: 16/9;
}

.article-card-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.article-card-title {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-dark);
    line-height: 1.4;
    font-weight: 600;
}

.article-card-title a {
    text-decoration: none;
    color: var(--text-dark);
    transition: color var(--transition-normal);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.article-card-excerpt {
    color: var(--text-light);
    font-size: 15px;
    margin-bottom: 20px;
    line-height: 1.7;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-muted);
    margin-top: auto;
    padding-top: 15px;
    border-top: 1px solid var(--gray-100);
}

.article-card-date {
    font-weight: 500;
}

.read-more {
    color: var(--primary-green);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: 5px;
    position: relative;
    overflow: hidden;
}

.read-more::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(76, 175, 80, 0.1), transparent);
    transition: left var(--transition-slow);
}

.read-more:hover {
    color: var(--dark-green);
    transform: translateX(5px);
    gap: 8px;
}

.read-more:hover::before {
    left: 100%;
}

.article-detail {
    max-width: 850px;
    margin: 0 auto;
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: 50px;
    box-shadow: var(--shadow-md);
    border: var(--border-light);
}

@media (max-width: 768px) {
    .article-detail {
        padding: 30px 20px;
    }
}

.back-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-green);
    color: var(--white);
    text-decoration: none;
    margin-top: 20px;
    margin-bottom: 30px;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    font-weight: 600;
    font-size: 16px;
    gap: 8px;
    position: relative;
    z-index: 10;
    box-shadow: var(--shadow-sm);
}

.back-link:hover {
    background-color: var(--dark-green);
    color: var(--white);
    transform: translateX(-3px) translateY(-2px);
    gap: 10px;
    box-shadow: var(--shadow-md);
}

.article-detail-header {
    margin-top: 40px;
    margin-bottom: 40px;
    text-align: center;
    position: relative;
    z-index: 1;
    background-color: var(--white);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.article-detail-category {
    display: inline-block;
    background-color: var(--very-light-green);
    color: var(--dark-green);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    margin-bottom: 20px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.article-detail-title {
    font-size: 36px;
    margin-bottom: 30px;
    color: var(--text-dark);
    line-height: 1.2;
    border: none !important;
    position: relative;
    display: block;
    padding-bottom: 0;
    font-weight: 800;
    letter-spacing: -1px;
    z-index: 1;
}



.article-detail-meta {
    color: var(--text-muted);
    font-size: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

@media (max-width: 480px) {
    .article-detail-meta {
        flex-direction: column;
        gap: 10px;
    }
}

.article-detail-content {
    font-size: 19px;
    line-height: 1.9;
    color: var(--text-dark);
    margin-top: 50px;
}

.content-title {
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--dark-green);
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: -1px;
    position: relative;
    z-index: 1;
    text-align: center;
}

.content-meta {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--gray-200);
    position: relative;
    z-index: 1;
    text-align: center;
}

.content-meta time {
    color: var(--text-muted);
    font-style: italic;
}

.article-detail-content p {
    margin-bottom: 25px;
    text-align: justify;
}

.article-detail-content h1,
.article-detail-content h2,
.article-detail-content h3 {
    color: var(--dark-green);
    margin-top: 40px;
    margin-bottom: 20px;
    line-height: 1.3;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.article-detail-content h1 {
    font-size: 36px;
}

.article-detail-content h2 {
    font-size: 32px;
    position: relative;
    padding-left: 20px;
}

.article-detail-content h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 100%;
    background-color: var(--light-green);
    border-radius: 4px;
}

.article-detail-content h3 {
    font-size: 28px;
}

.article-detail-content ul,
.article-detail-content ol {
    margin-bottom: 25px;
    padding-left: 35px;
}

.article-detail-content li {
    margin-bottom: 15px;
    line-height: 1.8;
    position: relative;
}

.article-detail-content ul li::before {
    content: '•';
    color: var(--primary-green);
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-left: -1em;
}

.article-detail-content ol li::before {
    content: counter(item) '. ';
    color: var(--primary-green);
    font-weight: bold;
    display: inline-block;
    width: 1.5em;
    margin-left: -1.5em;
}

.article-detail-content ol {
    counter-reset: item;
    list-style-type: none;
}

.article-detail-content ol li {
    counter-increment: item;
}

.article-detail-content a {
    color: var(--primary-green);
    text-decoration: none;
    transition: all var(--transition-normal);
    border-bottom: 2px solid transparent;
    padding-bottom: 2px;
}

.article-detail-content a:hover {
    color: var(--dark-green);
    border-bottom-color: var(--light-green);
    text-decoration: none;
}

.article-detail-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    margin: 30px auto;
    display: block;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    border: 3px solid var(--white);
    background-color: var(--gray-200);
    background-image: linear-gradient(45deg, var(--gray-300) 25%, transparent 25%), linear-gradient(-45deg, var(--gray-300) 25%, transparent 25%), linear-gradient(45deg, transparent 75%, var(--gray-300) 75%), linear-gradient(-45deg, transparent 75%, var(--gray-300) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

.article-detail-content img:hover {
    box-shadow: var(--shadow-xl);
    transform: scale(1.02);
}

/* Article detail page image */
.article-detail-image {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 30px;
}

.article-detail-content strong {
    color: var(--dark-green);
    font-weight: 700;
}

.article-detail-content em {
    font-style: italic;
    color: var(--text-light);
}

.article-detail-content blockquote {
    border-left: 4px solid var(--primary-green);
    padding: 20px 30px;
    margin: 30px 0;
    background-color: var(--gray-50);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    color: var(--text-light);
    font-size: 20px;
    line-height: 1.8;
}

.article-detail-content code {
    background-color: var(--gray-100);
    padding: 2px 8px;
    border-radius: 4px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9em;
    color: var(--text-dark);
    font-weight: 600;
}

.article-detail-content pre {
    background-color: var(--gray-100);
    padding: 20px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 30px 0;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.article-detail-content pre code {
    background-color: transparent;
    padding: 0;
    font-size: 14px;
    line-height: 1.5;
}

.about-section, 
.contact-section {
    max-width: 800px;
    margin: 0 auto;
}

.about-section h1, 
.contact-section h1 {
    color: var(--dark-green);
    font-size: 36px;
    margin-bottom: 15px;
    line-height: 1.3;
}

.about-section p, 
.contact-section p {
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.contact-info {
    background-color: var(--very-light-green);
    padding: 30px;
    border-radius: var(--radius-md);
    margin-top: 30px;
    border-left: 4px solid var(--primary-green);
    transition: box-shadow var(--transition-normal);
}

.contact-info:hover {
    box-shadow: var(--shadow-md);
}

.contact-info a {
    color: var(--primary-green);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-normal);
}

.contact-info a:hover {
    color: var(--dark-green);
}

.admin-panel {
    max-width: 1000px;
    margin: 0 auto;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

.admin-header h1 {
    color: var(--dark-green);
}

.admin-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}





.admin-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    border-radius: var(--radius-md);
}

.admin-table th,
.admin-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--gray-300);
}

.admin-table th {
    background-color: var(--very-light-green);
    color: var(--dark-green);
    font-weight: 600;
}

.admin-table tr:hover {
    background-color: var(--gray-100);
}

.admin-table tr:last-child td {
    border-bottom: none;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--space-4);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    font-family: inherit;
    transition: all var(--transition-normal);
    position: relative;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
    transform: translateY(-1px);
}

.form-group input::placeholder,
.form-group textarea::placeholder,
.form-group select::placeholder {
    color: var(--text-muted);
    transition: color var(--transition-normal);
}

.form-group input:focus::placeholder,
.form-group textarea:focus::placeholder,
.form-group select:focus::placeholder {
    color: var(--text-light);
}

/* Form group animation */
.form-group {
    animation: formGroupFadeIn 0.5s ease-out;
}

@keyframes formGroupFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Staggered animation delay for form groups */
.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.2s; }
.form-group:nth-child(3) { animation-delay: 0.3s; }
.form-group:nth-child(4) { animation-delay: 0.4s; }

/* Login form specific styles */
.login-form {
    animation: loginFormFadeIn 0.6s ease-out;
}

@keyframes loginFormFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.btn-block {
    width: 100%;
    margin-top: var(--space-5);
}

.login-footer {
    margin-top: var(--space-5);
    text-align: center;
    animation: fadeIn 0.8s ease-out;
}

.login-footer-link {
    color: var(--primary-green);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.login-footer-link:hover {
    color: var(--dark-green);
    transform: translateX(-3px);
}

/* Form label accessibility */
.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--text-dark);
    font-size: var(--font-size-md);
}

/* Error message styles for accessibility */
.error-message {
    grid-column: 1/-1;
    text-align: center;
    padding: var(--space-5);
    margin-top: var(--space-5);
    background-color: var(--gray-50);
    border-radius: var(--radius-md);
    color: var(--danger-color);
    font-weight: var(--font-weight-medium);
    border: 1px solid var(--danger-color);
}

/* Success message styles for accessibility */
.success-message {
    grid-column: 1/-1;
    text-align: center;
    padding: var(--space-5);
    margin-top: var(--space-5);
    background-color: var(--very-light-green);
    border-radius: var(--radius-md);
    color: var(--dark-green);
    font-weight: var(--font-weight-medium);
    border: 1px solid var(--primary-green);
}

.form-group textarea {
    min-height: 300px;
    resize: vertical;
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: var(--text-light);
    font-size: 12px;
}

fieldset {
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 20px;
}

fieldset legend {
    padding: 0 10px;
    font-weight: 600;
    color: var(--dark-green);
}

.login-form {
    max-width: 400px;
    margin: 50px auto;
    background-color: var(--white);
    padding: 40px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    animation: fadeIn 0.3s ease-in;
}

.login-form h1 {
    text-align: center;
    color: var(--dark-green);
    margin-bottom: 30px;
}

footer {
    background-color: var(--dark-green);
    color: var(--white);
    padding: 30px 0 20px;
    box-shadow: 0 -8px 25px rgba(0, 0, 0, 0.15);
    position: relative;
    margin-top: 60px;
    border-radius: 30px 30px 0 0;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 40%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 70%);
    animation: footerFloat 20s ease-in-out infinite;
}

@keyframes footerFloat {
    0%, 100% {
        transform: translateX(0) rotate(0deg);
    }
    50% {
        transform: translateX(20px) rotate(-5deg);
    }
}

.footer-bottom {
    padding-top: 20px;
    text-align: center;
    font-size: 14px;
    opacity: 0.9;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 2;
}

.footer-bottom p {
    margin-bottom: 10px;
    line-height: 1.6;
}

.footer-bottom a {
    color: var(--light-green);
    text-decoration: none;
    margin: 0 15px;
    transition: all var(--transition-normal);
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

.beian-item {
    margin-bottom: 8px;
}

.beian-item a {
    margin: 0;
}

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

.footer-bottom a:hover {
    color: var(--white);
    transform: translateY(-2px);
}

.footer-bottom a:hover::after {
    width: 100%;
}

.rtl {
    direction: rtl;
    text-align: right;
}

.rtl .logo img {
    margin-right: 0;
    margin-left: 10px;
}

.rtl nav ul {
    gap: 30px;
}

.rtl .language-dropdown {
    right: auto;
    left: 0;
}

.rtl .read-more:hover {
    transform: translateX(-3px);
}

.rtl .back-link:hover {
    transform: translateX(5px);
}

.rtl .footer-bottom a:hover {
    transform: translateX(-5px);
}

@media (max-width: 1024px) {
    .article-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 25px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero p {
        font-size: 18px;
    }
}

/* Additional responsive styles */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .admin-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .admin-actions {
        width: 100%;
        flex-wrap: wrap;
    }
    
    .admin-actions .btn {
        flex: 1;
        margin-bottom: 10px;
        min-width: 120px;
    }
    
    .admin-table {
        font-size: 12px;
        display: block;
        overflow-x: auto;
    }
    
    .admin-table th,
    .admin-table td {
        padding: 10px;
        white-space: nowrap;
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        font-size: 16px;
        padding: 10px;
    }
    
    .login-form {
        margin: 30px auto;
        padding: 30px 20px;
    }
    
    .logo {
        font-size: 22px;
    }
    
    .logo img {
        height: 36px;
    }
    
    nav ul {
        gap: 25px;
    }
    
    .language-btn {
        padding: 6px 12px;
        font-size: 13px;
    }
    
    /* Footer styles */
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--space-4);
    }
    
    .footer-nav ul {
        justify-content: center;
        gap: var(--space-4);
    }
    
    .footer-social {
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 24px;
    }

    .hero p {
        font-size: 14px;
    }

    .article-detail-title {
        font-size: 24px;
    }

    .article-detail-content {
        font-size: 16px;
    }

    .about-section h1,
    .contact-section h1 {
        font-size: 28px;
    }

    .about-section p,
    .contact-section p {
        font-size: 14px;
    }

    .btn {
        width: 100%;
        margin-bottom: 10px;
        padding: 12px 20px;
    }

    .logo {
        font-size: 20px;
    }

    .logo img {
        height: 32px;
    }

    .article-card-content {
        padding: 18px;
    }

    .article-card-title {
        font-size: 18px;
    }

    .article-card-excerpt {
        font-size: 14px;
    }

    .footer-bottom {
        font-size: 12px;
    }

    .beian-item {
        margin-bottom: 6px;
    }

    .footer-nav ul {
        gap: var(--space-3);
    }

    .footer-nav a {
        font-size: 14px;
    }

    .social-links {
        gap: var(--space-2);
    }

    .social-links a {
        font-size: 12px;
        padding: var(--space-2) var(--space-3);
    }
}

@media print {
    header,
    footer,
    .back-link,
    .article-detail-meta,
    .share-buttons,
    .load-more-btn {
        display: none;
    }

    .article-detail-content {
        font-size: 12pt;
        color: #000;
    }

    .article-detail-content a {
        color: #000;
        text-decoration: underline;
    }

    .article-detail-content a::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
    }
}

/* Load more button animations */
#loadMoreBtn {
    transition: all var(--transition-normal);
    display: block;
    margin: 40px auto;
    padding: 15px 30px;
    font-size: 16px;
    font-weight: 600;
    background-color: var(--primary-green);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

#loadMoreBtn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
    z-index: -1;
}

#loadMoreBtn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    background-color: var(--dark-green);
}

#loadMoreBtn:hover::before {
    left: 100%;
}

#loadMoreBtn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
    background-color: var(--gray-400);
}

#loadMoreBtn:disabled:hover {
    box-shadow: var(--shadow-sm);
    transform: none;
}

#loadMoreBtn:disabled:hover::before {
    left: -100%;
}

/* Loading spinner */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 1s ease-in-out infinite;
    margin-right: 10px;
}



/* Skeleton loading */
.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-300) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-card {
    display: flex;
    flex-direction: column;
    gap: 15px;
    padding: 20px;
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.skeleton-image {
    width: 100%;
    height: 220px;
    border-radius: var(--radius-md);
}

.skeleton-title {
    height: 24px;
    width: 80%;
}

.skeleton-excerpt {
    height: 16px;
    width: 100%;
    margin-bottom: 10px;
}

.skeleton-excerpt:last-child {
    width: 60%;
}

.skeleton-excerpt-short {
    width: 60%;
}

/* Button hidden class - for CSP compliance */
.btn-hidden {
    display: none !important;
}

/* Enhanced form styles */
.form-group input[type="checkbox"],
.form-group input[type="radio"] {
    width: auto;
    margin-right: 8px;
    transform: scale(1.1);
}

.form-group input[type="checkbox"]:focus,
.form-group input[type="radio"]:focus {
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
}

.form-group input[type="submit"] {
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-normal);
}

.form-group input[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.form-group input[type="submit"]:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

/* Enhanced focus styles */
*:focus-visible {
    outline: 3px solid var(--primary-green);
    outline-offset: 2px;
    transition: outline var(--transition-normal);
}

/* Keyboard navigation styles */
*:focus {
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
}

/* Skip link improvements */
.skip-link {
    position: absolute;
    top: -9999px;
    left: -9999px;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
    z-index: -1;
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
}

.skip-link:focus,
.skip-link:focus-visible {
    position: absolute;
    top: 20px;
    left: 20px;
    width: auto;
    height: auto;
    padding: var(--space-4) var(--space-6);
    margin: 0;
    overflow: visible;
    clip: auto;
    clip-path: none;
    background-color: var(--primary-green);
    color: var(--white);
    text-decoration: none;
    z-index: 10000;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
    animation: slideInLeft 0.3s ease-out;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-md);
}



/* Enhanced mobile menu */
@media (max-width: 768px) {
    .nav-menu {
        transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1), left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
}

/* Enhanced RTL support */
.rtl .form-group input[type="checkbox"],
.rtl .form-group input[type="radio"] {
    margin-right: 0;
    margin-left: 8px;
}

.rtl .loading-spinner {
    margin-right: 0;
    margin-left: 10px;
}

.rtl #loadMoreBtn:hover {
    transform: translateX(-3px);
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-green: #006400;
        --dark-green: #004d00;
        --light-green: #008000;
        --text-dark: #000000;
        --text-light: #333333;
        --border-light: 2px solid var(--text-dark);
    }
    
    @media (prefers-color-scheme: dark) {
        :root {
            --primary-green: #90ee90;
            --dark-green: #7cfc00;
            --light-green: #32cd32;
            --text-dark: #ffffff;
            --text-light: #f0f0f0;
            --border-light: 2px solid var(--text-dark);
        }
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Utility classes */
.text-center {
    text-align: center;
}

.mt-40 {
    margin-top: 40px;
}

.empty-state {
    grid-column: 1/-1;
    text-align: center;
    padding: 40px;
}

.load-more-container {
    text-align: center;
    margin-top: var(--space-12);
    animation: fadeIn 0.8s ease-out;
}

#loadMoreBtn {
    position: relative;
    overflow: hidden;
}

#loadMoreBtn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

#loadMoreBtn .loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--white);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: var(--space-3);
    display: inline-block;
    vertical-align: middle;
}

/* RTL support for load more button */
.rtl #loadMoreBtn .loading-spinner {
    margin-right: 0;
    margin-left: var(--space-3);
}

/* Animation classes */
.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out both;
}

/* Animation delay classes */
.delay-0 {
    animation-delay: 0s;
}

.delay-1 {
    animation-delay: 0.1s;
}

.delay-2 {
    animation-delay: 0.2s;
}

.delay-3 {
    animation-delay: 0.3s;
}

.delay-4 {
    animation-delay: 0.4s;
}

.delay-5 {
    animation-delay: 0.5s;
}

.delay-6 {
    animation-delay: 0.6s;
}

.delay-7 {
    animation-delay: 0.7s;
}

.delay-8 {
    animation-delay: 0.8s;
}

.delay-9 {
    animation-delay: 0.9s;
}

/* Error message styles */
.error-message {
    grid-column: 1/-1;
    text-align: center;
    padding: 20px;
    margin-top: 20px;
    background-color: var(--gray-50);
    border-radius: var(--radius-md);
    color: #f44336;
}

/* About page styles */
.about-section p {
    margin-bottom: 20px;
}

.about-section p:first-child {
    margin-top: 0;
}

.about-section ul {
    margin: 20px 0;
    padding-left: 20px;
    line-height: 2;
}

.about-section ul li {
    margin-bottom: 10px;
}

.about-box {
    margin-top: 40px;
    padding: 30px;
    background-color: var(--very-light-green);
    border-radius: 8px;
    border-left: 4px solid var(--primary-green);
}

.about-box h3 {
    color: var(--dark-green);
    margin-bottom: 15px;
}

.about-box p {
    margin-bottom: 0;
}

/* Contact page styles */
.contact-info h3 {
    color: var(--dark-green);
    margin-bottom: 20px;
}

.contact-info p {
    margin-bottom: 0;
}

.contact-info a {
    color: var(--primary-green);
    text-decoration: none;
    font-weight: 500;
    font-size: 18px;
    transition: color var(--transition-normal);
}

.contact-info a:hover {
    color: var(--dark-green);
    text-decoration: underline;
}

/* Footer styles */
.beian-container {
    margin-top: 10px;
}