/* ===== INHERIT DASHBOARD DESIGN SYSTEM ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors - MATCHING DASHBOARD THEME */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --warning-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --danger-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    
    --bg-primary: #0a0f1c;
    --bg-secondary: #131829;
    --bg-tertiary: #1a1f36;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-glass: rgba(255, 255, 255, 0.05);
    
    --text-primary: #ffffff;
    --text-secondary: #b8c1d9;
    --text-muted: #7c8db0;
    --text-accent: #667eea;
    
    --border-color: rgba(255, 255, 255, 0.1);
    --border-accent: rgba(102, 126, 234, 0.3);
    
    /* Business Cycle Colors */
    --expansion-color: #4CAF50;
    --boom-color: #2196F3;
    --recession-color: #FFC107;
    --depression-color: #F44336;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 15px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.3);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Layout */
    --container-max-width: 1200px;
    --container-padding: 1rem;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(67, 233, 123, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(240, 147, 251, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ===== HEADER ===== */
.blog-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 15, 28, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: var(--spacing-md) 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: var(--font-size-xl);
    transition: all var(--transition-fast);
}

.logo a:hover {
    color: var(--text-accent);
    transform: translateY(-1px);
}

.logo i {
    font-size: var(--font-size-2xl);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-nav {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-weight: 500;
    border: 1px solid transparent;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-glass);
    border-color: var(--border-accent);
    transform: translateY(-1px);
}

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

/* ===== HERO SECTION ===== */
.hero-section {
    background: var(--primary-gradient);
    color: white;
    padding: 8rem 0 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 40%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(67, 233, 123, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.025em;
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xxl);
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xxl);
    flex-wrap: wrap;
}

.stat {
    text-align: center;
    padding: var(--spacing-md);
    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);
    min-width: 120px;
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

/* ===== MAIN CONTENT ===== */
.blog-main {
    padding: var(--spacing-xxl) 0;
    min-height: 60vh;
    position: relative;
}

/* ===== FILTER BAR ===== */
.filter-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    flex-wrap: wrap;
    box-shadow: var(--shadow-md);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.filter-group label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.filter-group select {
    padding: var(--spacing-2) var(--spacing-3);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    transition: border-color var(--transition-fast);
}

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

.search-group {
    position: relative;
    min-width: 250px;
}

.search-group input {
    width: 100%;
    padding: var(--spacing-2) var(--spacing-4);
    padding-right: var(--spacing-12);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    transition: border-color var(--transition-fast);
}

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

.search-group i {
    position: absolute;
    right: var(--spacing-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.write-blog-group {
    display: flex;
    align-items: center;
}

.write-blog-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--primary-gradient);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.write-blog-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 0.5s;
}

.write-blog-btn:hover::before {
    left: 100%;
}

.write-blog-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: white;
    text-decoration: none;
}

.write-blog-btn i {
    font-size: 0.9rem;
    transition: transform var(--transition-normal);
}

.write-blog-btn:hover i {
    transform: scale(1.1);
}

/* ===== LOADING & ERROR STATES ===== */
.loading-state {
    text-align: center;
    padding: var(--spacing-16);
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-4);
}

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

.error-state,
.no-posts-state {
    text-align: center;
    padding: var(--spacing-16);
    color: var(--text-secondary);
}

.error-state i,
.no-posts-state i {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-4);
    color: var(--text-muted);
}

.error-state h3,
.no-posts-state h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-2);
    color: var(--text-primary);
}

.retry-btn {
    background: var(--primary-gradient);
    color: white;
    border: 1px solid var(--border-accent);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-top: var(--spacing-md);
    backdrop-filter: blur(10px);
}

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

/* ===== BLOG GRID ===== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
}

.blog-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    backdrop-filter: blur(20px);
    position: relative;
}

.blog-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.blog-card:hover::before {
    opacity: 1;
}

.blog-card:active {
    transform: translateY(-4px) scale(1.01);
}

.blog-card-image {
    position: relative;
    height: 200px;
    background: var(--primary-gradient);
    overflow: hidden;
}

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

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

.blog-card-image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    background: var(--primary-gradient);
    color: white;
    font-size: var(--font-size-4xl);
    position: relative;
}

.blog-card-image-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 40%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(67, 233, 123, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.blog-card-content {
    padding: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-3);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.blog-card-category {
    background: var(--primary-gradient);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: var(--font-size-xs);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.blog-card-date {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}

.blog-card-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-3);
    line-height: 1.4;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-excerpt {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-4);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
}

.blog-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--spacing-4);
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--border-light);
}

.blog-card-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
}

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

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name-link {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-normal);
}

.author-name-link:hover {
    color: var(--text-accent);
}

.author-name {
    font-weight: 500;
    color: var(--text-primary);
}

.author-role {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
}

.blog-card-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.blog-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-1);
    margin-top: var(--spacing-3);
}

.blog-tag {
    background: var(--bg-glass);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.blog-tag.ai-generated {
    background: var(--success-gradient);
    color: white;
    border-color: rgba(255, 255, 255, 0.2);
}

/* ===== PAGINATION ===== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-2);
    margin-top: var(--spacing-12);
}

.pagination-btn {
    padding: var(--spacing-2) var(--spacing-4);
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-primary);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
}

.pagination-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
}

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

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===== FOOTER ===== */
.blog-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: var(--spacing-xxl) 0 var(--spacing-xl);
    position: relative;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-8);
}

.footer-section h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
    color: white;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: var(--spacing-4);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-2);
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: var(--spacing-3);
}

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

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-8);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.8);
}

/* Vision AI Icon Styling */
.vision-ai-icon {
    height: 1.2em;
    width: auto;
    display: inline-block;
    vertical-align: middle;
    margin-right: 0.25rem;
    filter: brightness(1.1);
    transition: all var(--transition-fast);
}

.vision-ai-icon:hover {
    transform: scale(1.1);
    filter: brightness(1.3);
}

/* Specific sizing for different contexts */
h4 .vision-ai-icon {
    height: 1.5em;
    margin-right: 0.5rem;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: var(--font-size-4xl);
    }
    
    .hero-content p {
        font-size: var(--font-size-lg);
    }
    
    .hero-stats {
        gap: var(--spacing-6);
    }
    
    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-group {
        min-width: auto;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .header-nav {
        gap: var(--spacing-4);
    }
    
    .nav-link {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-sm);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-4);
    }
    
    .hero-section {
        padding: var(--spacing-12) 0;
    }
    
    .blog-main {
        padding: var(--spacing-12) 0;
    }
    
    .blog-card-content {
        padding: var(--spacing-4);
    }
    
    .filter-bar {
        padding: var(--spacing-4);
    }
}