/* Newspaper Agency Management System - Beautiful & Elegant Design */
/* Modern, vibrant, and eye-catching color palette */

/* Import beautiful and readable fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Manrope:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

/* Import FontAwesome for icons */
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/css/all.min.css');

/* Beautiful Color Palette - Vibrant yet Professional */
:root {
    /* Primary Colors - Deep Blues & Rich Purples */
    --primary-indigo: #4f46e5;
    --primary-purple: #7c3aed;
    --primary-slate: #1e293b;
    --primary-navy: #0f172a;
    
    /* Vibrant Accent Colors */
    --accent-cyan: #06b6d4;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    --accent-rose: #f43f5e;
    --accent-violet: #8b5cf6;
    
    /* Individual Newspaper Colors - Vibrant & Distinct */
    --newspaper-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);  /* Purple Blue */
    --newspaper-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);  /* Pink Red */
    --newspaper-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);  /* Blue Cyan */
    --newspaper-4: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);  /* Green Mint */
    --newspaper-5: linear-gradient(135deg, #fa709a 0%, #fee140 100%);  /* Pink Yellow */
    --newspaper-6: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);  /* Mint Pink */
    --newspaper-7: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);  /* Coral Pink */
    
    /* Modern Neutrals */
    --white: #ffffff;
    --off-white: #fafafa;
    --light-gray: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Text Colors */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    
    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    /* Background Gradients */
    --bg-gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg-gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --bg-gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --bg-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg-main: linear-gradient(to bottom right, #fafafa, #f1f5f9);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-colored: 0 10px 25px rgba(103, 126, 234, 0.3);
    
    /* Transitions */
    --transition-fast: 0.15s ease-out;
    --transition-normal: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-accent: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-main);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: 0.5em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

/* Loading Spinner */
.loading-spinner {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-spinner.hidden {
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--gray-200);
    border-top: 4px solid var(--primary-indigo);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

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

.loading-spinner p {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Header - Dark Navy Blue and Grey */
header {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

.head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.head p {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--white);
    font-family: var(--font-accent);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.datetime-display {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Navigation - Grey Gradient */
.menu-items {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #374151 0%, #4b5563 50%, #64748b 100%);
    backdrop-filter: blur(20px);
    max-width: 1400px;
    margin: 0 auto;
}

.menu-items a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.menu-items a::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--bg-gradient-1);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.menu-items a:hover::before,
.menu-items a.active::before {
    opacity: 1;
}

.menu-items a:hover,
.menu-items a.active {
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.menu-items a > * {
    position: relative;
    z-index: 1;
}

/* Search and Filter Section */
.search-filter-section {
    background: var(--white);
    padding: 2.5rem;
    margin: 2rem auto;
    max-width: 1400px;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.search-filter-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--bg-gradient-1);
}

.search-container {
    margin-bottom: 2rem;
}

.search-box {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.search-box i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.125rem;
    z-index: 2;
}

#search-input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    font-size: 1rem;
    transition: all var(--transition-normal);
    background: var(--light-gray);
    box-shadow: var(--shadow-sm);
}

#search-input:focus {
    outline: none;
    border-color: var(--primary-indigo);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    background: var(--white);
    transform: translateY(-1px);
}

.clear-btn {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    display: none;
}

.clear-btn:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

/* Filter Controls */
.filter-container {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 2rem;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 160px;
}

.filter-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.filter-group select {
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    background: var(--white);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.filter-group select:focus {
    outline: none;
    border-color: var(--primary-indigo);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.refresh-btn {
    background: var(--bg-gradient-1);
    color: var(--white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-md);
}

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

.refresh-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Featured Section */
.featured-section {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 3rem 2.5rem;
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.featured-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--bg-gradient-2);
}

.featured-section h2 {
    text-align: center;
    margin-bottom: 2.5rem;
    font-size: clamp(2rem, 4vw, 2.5rem);
    background: var(--bg-gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.carousel-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
}

.carousel-wrapper {
    overflow: hidden;
    border-radius: var(--radius-xl);
}

.carousel-track {
    display: flex;
    transition: transform var(--transition-slow);
    gap: 1.5rem;
}

.carousel-item {
    min-width: 320px;
    height: 200px;
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.carousel-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--bg-gradient-1);
    transform: scaleY(0);
    transition: transform var(--transition-normal);
    transform-origin: bottom;
}

.carousel-item:hover::before {
    transform: scaleY(1);
}

.carousel-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.carousel-item h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.carousel-item p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--white);
    border: 1px solid var(--gray-200);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 1rem;
    box-shadow: var(--shadow-md);
    z-index: 10;
}

.carousel-btn:hover {
    background: var(--primary-indigo);
    color: var(--white);
    border-color: var(--primary-indigo);
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-lg);
}

.prev-btn { left: -24px; }
.next-btn { right: -24px; }

/* Main Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Newspaper Cards */
.newspaper-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.newspaper-card {
    height: 180px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
    background: var(--newspaper-1);
}

.newspaper-card:nth-child(1) { background: var(--newspaper-1); }
.newspaper-card:nth-child(2) { background: var(--newspaper-2); }
.newspaper-card:nth-child(3) { background: var(--newspaper-3); }
.newspaper-card:nth-child(4) { background: var(--newspaper-4); }
.newspaper-card:nth-child(5) { background: var(--newspaper-5); }
.newspaper-card:nth-child(6) { background: var(--newspaper-6); }
.newspaper-card:nth-child(7) { background: var(--newspaper-7); }

.newspaper-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

.card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0.7) 100%);
    color: var(--white);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.card-overlay h3 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.card-overlay p {
    font-size: 0.875rem;
    opacity: 0.9;
    margin: 0;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.newspaper-card a {
    position: absolute;
    inset: 0;
    z-index: 10;
}

/* Articles Section */
.articles-section {
    margin: 3rem 0;
}

.articles-section h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: clamp(2rem, 4vw, 2.5rem);
    background: var(--bg-gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.article-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--bg-gradient-1);
    transform: scaleY(0);
    transition: transform var(--transition-normal);
    transform-origin: bottom;
}

.article-card:hover::before {
    transform: scaleY(1);
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.article-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.article-tag {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tag-region {
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary-indigo);
}

.tag-language {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-emerald);
}

.tag-date {
    background: var(--gray-100);
    color: var(--text-muted);
}

.article-card h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.4;
}

.article-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.read-more {
    color: var(--primary-indigo);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-fast);
}

.read-more:hover {
    gap: 0.75rem;
    color: var(--primary-purple);
}

/* No Results */
.no-results {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.no-results i {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--gray-300);
}

.no-results h3 {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.hidden {
    display: none !important;
}

/* Load More Button */
.load-more-container {
    text-align: center;
    margin: 3rem 0;
}

.load-more-btn {
    background: var(--bg-gradient-1);
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-md);
}

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

.load-more-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 2rem;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-xl);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-2xl);
    animation: modalSlideUp 0.3s ease-out;
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(2rem) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--gray-100);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.25rem;
    color: var(--text-primary);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.close-modal:hover {
    background: var(--gray-200);
    transform: scale(1.1);
}

#modal-article-content {
    padding: 3rem;
}

#modal-article-content h2 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

#modal-article-content .article-meta {
    margin-bottom: 2rem;
}

#modal-article-content p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* Footer */
footer {
    background: var(--gray-900);
    color: var(--gray-300);
    text-align: center;
    padding: 3rem 2rem;
    margin-top: 4rem;
}

.footer-content p {
    margin-bottom: 0.5rem;
    color: var(--gray-300);
}

.footer-content p:last-child {
    opacity: 0.7;
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .head {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .menu-items {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .search-filter-section {
        padding: 1.5rem;
    }
    
    .filter-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .newspaper-grid {
        grid-template-columns: 1fr;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .carousel-btn {
        display: none;
    }
    
    .featured-section {
        padding: 2rem 1.5rem;
    }
    
    .carousel-track {
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
    }
    
    .carousel-item {
        scroll-snap-align: start;
        flex-shrink: 0;
    }
    
    #modal-article-content {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .search-filter-section {
        margin: 1rem;
        padding: 1rem;
    }
    
    .featured-section {
        margin: 1rem;
        padding: 1.5rem 1rem;
    }
    
    .article-card {
        padding: 1.5rem;
    }
    
    .newspaper-card {
        height: 150px;
    }
    
    .carousel-item {
        min-width: 280px;
    }
}