/* Import shared base styles */
@import url('styles.css');

/* ========================================
   BLOG HUB STYLES
   ======================================== */

.blog-hero {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.blog-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-display);
}

.blog-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Category Filter (Future proofing) */
.blog-categories {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

.category-tag {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-family: var(--font-mono);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.category-tag:hover,
.category-tag.active {
    background: var(--color-primary);
    color: var(--color-bg);
    border-color: var(--color-primary);
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    padding: var(--spacing-xxl) 0;
}

/* Article Card */
.article-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.article-image {
    height: 200px;
    background: var(--color-bg-elevated);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--color-text-dim);
    border-bottom: 1px solid var(--color-border);
}

.article-content {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-meta {
    font-size: 0.85rem;
    color: var(--color-text-dim);
    margin-bottom: var(--spacing-sm);
    display: flex;
    gap: var(--spacing-sm);
}

.article-title {
    font-size: 1.4rem;
    font-family: var(--font-display);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
    color: var(--color-text);
}

.article-excerpt {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    flex: 1;
}

/* Article Tag Pills */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: var(--spacing-md);
}

.article-tag {
    padding: 0.2rem 0.6rem;
    font-size: 0.75rem;
    background: rgba(0, 255, 159, 0.1);
    color: var(--color-primary);
    border: 1px solid rgba(0, 255, 159, 0.2);
    border-radius: var(--radius-sm);
    letter-spacing: 0.02em;
}

/* No Results */
.no-results {
    text-align: center;
    padding: var(--spacing-xxl) 0;
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

.read-more {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.read-more::after {
    content: "→";
    transition: transform 0.2s ease;
}

.article-card:hover .read-more::after {
    transform: translateX(4px);
}

/* ========================================
   ARTICLE PAGE STYLES
   ======================================== */

.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-xxl);
    padding: var(--spacing-xxl) 0;
}

.article-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
}

.article-h1 {
    font-size: 2.5rem;
    font-family: var(--font-display);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.article-body {
    font-family: 'Inter', sans-serif;
    /* Optimization for reading */
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-muted);
}

.article-body h2 {
    font-family: var(--font-display);
    color: var(--color-text);
    font-size: 1.8rem;
    margin-top: var(--spacing-xxl);
    margin-bottom: var(--spacing-md);
}

.article-body h3 {
    font-family: var(--font-display);
    color: var(--color-text);
    font-size: 1.4rem;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
}

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

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

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

.article-body code {
    background: var(--color-bg-elevated);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.9em;
    color: var(--color-secondary);
}

.article-body pre {
    background: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    overflow-x: auto;
    margin-bottom: var(--spacing-lg);
}

.article-body pre code {
    background: transparent;
    padding: 0;
    color: var(--color-text);
}

/* Sidebar */
.sidebar-widget {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    position: sticky;
    top: 2rem;
}

.widget-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-display);
    border-bottom: 2px solid var(--color-border);
    padding-bottom: var(--spacing-sm);
}

.tool-cta {
    text-align: center;
}

.tool-cta-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.btn-sidebar {
    display: block;
    width: 100%;
    padding: var(--spacing-md);
    background: var(--color-primary);
    color: var(--color-bg);
    text-align: center;
    text-decoration: none;
    font-weight: 700;
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    transition: opacity 0.2s;
}

.btn-sidebar:hover {
    opacity: 0.9;
}

/* Responsive */
@media (max-width: 900px) {
    .article-layout {
        grid-template-columns: 1fr;
    }

    .sidebar-widget {
        position: static;
        margin-top: var(--spacing-xl);
    }
}