/* Blog Frontend Styles - Clean, Readable Design */
@import url('https://fonts.googleapis.com/css2?family=Merriweather:wght@300;400;700;900&family=Inter:wght@400;500;600&display=swap');

:root {
    --bg: #fafaf9;
    --surface: #ffffff;
    --text: #1a1a1a;
    --text-secondary: #555;
    --text-muted: #888;
    --border: #e5e5e5;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --font-heading: 'Merriweather', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --max-width: 720px;
    --max-width-wide: 1100px;
}

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

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* Header */
.blog-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.blog-header .container {
    max-width: var(--max-width-wide);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.blog-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text);
}

.blog-logo img {
    height: 36px;
    width: auto;
    border-radius: 4px;
}

.blog-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.blog-nav a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.blog-nav a:hover, .blog-nav a.active {
    color: var(--accent);
}

/* Search */
.search-box {
    position: relative;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.search-box input {
    width: 100%;
    padding: 0.6rem 1rem 0.6rem 2.5rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.9rem;
    font-family: var(--font-body);
    background: var(--surface);
    transition: border-color 0.2s;
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent);
}

.search-box .search-icon {
    position: absolute;
    left: 0.8rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.search-results-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-top: 4px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    max-height: 400px;
    overflow-y: auto;
    display: none;
    z-index: 200;
}

.search-results-dropdown.show { display: block; }

.search-result-item {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    display: block;
    color: var(--text);
    transition: background 0.15s;
}

.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover { background: #f5f5f4; }
.search-result-item h4 { font-size: 0.95rem; margin-bottom: 0.2rem; }
.search-result-item p { font-size: 0.8rem; color: var(--text-muted); }

/* Main Content */
.main-content {
    max-width: var(--max-width-wide);
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.page-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.page-subtitle {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

/* Article Cards */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.article-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    transition: box-shadow 0.2s, transform 0.2s;
}

.article-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    transform: translateY(-2px);
}

.article-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.article-card-body {
    padding: 1.25rem;
}

.article-card-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.article-card-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 0.5rem;
}

.article-card-title a {
    color: var(--text);
}

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

.article-card-excerpt {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.article-card-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    gap: 1rem;
}

/* Single Article */
.article-single {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem;
}

.article-single .article-category {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.article-single h1 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 1rem;
}

.article-meta {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 2rem;
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.article-featured-image {
    width: 100%;
    border-radius: 10px;
    margin-bottom: 2rem;
}

.article-content {
    font-size: 1.1rem;
    line-height: 1.85;
    color: var(--text);
}

.article-content h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
}

.article-content h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin: 1.5rem 0 0.75rem;
}

.article-content p { margin-bottom: 1.25rem; }

.article-content img {
    max-width: 100%;
    border-radius: 8px;
    margin: 1rem 0;
}

.article-content blockquote {
    border-left: 3px solid var(--accent);
    padding: 0.5rem 1.25rem;
    margin: 1.5rem 0;
    color: var(--text-secondary);
    font-style: italic;
}

.article-content pre {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1rem 0;
    font-size: 0.9rem;
}

.article-content code {
    background: #f0f0f0;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9em;
}

.article-content pre code {
    background: none;
    padding: 0;
}

.article-content ul, .article-content ol {
    margin: 1rem 0 1rem 1.5rem;
}

.article-content li { margin-bottom: 0.4rem; }

/* Categories Bar */
.categories-bar {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.category-tag {
    padding: 0.4rem 1rem;
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: var(--surface);
    transition: all 0.2s;
}

.category-tag:hover, .category-tag.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* About Page */
.about-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.about-content h1 {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.about-body {
    font-size: 1.1rem;
    line-height: 1.85;
}

.about-body img {
    max-width: 100%;
    border-radius: 8px;
}

/* Footer */
.blog-footer {
    text-align: center;
    padding: 2rem 1.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border);
    margin-top: 3rem;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.pagination a, .pagination span {
    padding: 0.5rem 0.9rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.pagination a:hover { background: #f0f0f0; }
.pagination .current {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* No results */
.no-results {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .blog-header .container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .blog-logo { justify-content: center; }
    .blog-nav { justify-content: center; }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .article-single h1 {
        font-size: 1.6rem;
    }
    
    .article-content {
        font-size: 1rem;
    }
    
    .page-title {
        font-size: 1.4rem;
    }
}