/* ==========================================
   Blog Styles
   Extends main.css for blog pages
   ========================================== */

/* --- Active Nav --- */
.nav-link.active {
    color: var(--color-primary);
    background-color: var(--color-background);
}

/* ==========================================
   Blog List Page
   ========================================== */
.blog-list {
    padding: var(--spacing-3xl) 0;
    max-width: 800px;
    margin: 0 auto;
}

.post-card {
    display: block;
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-base);
}

.post-card:hover {
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.post-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.post-card-meta time {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.post-card-category {
    font-size: 0.75rem;
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--radius-sm);
}

.post-card-title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.post-card-description {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
}

.post-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.post-card-cta {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-primary);
}

.post-card:hover .post-card-cta {
    text-decoration: underline;
}

/* ==========================================
   Blog Post Page
   ========================================== */
.blog-post {
    padding: var(--spacing-3xl) 0;
}

.blog-post .container {
    max-width: 760px;
}

/* Post Header */
.post-header {
    margin-bottom: var(--spacing-2xl);
}

.back-link {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
    text-decoration: none;
    margin-bottom: var(--spacing-lg);
    transition: color var(--transition-fast);
}

.back-link:hover {
    color: var(--color-primary-dark);
}

.post-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.post-meta time {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.post-category {
    font-size: 0.75rem;
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--radius-sm);
}

.post-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.post-description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* Post Content */
.post-content {
    line-height: 1.8;
    color: var(--color-text);
}

.post-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: var(--spacing-2xl) 0 var(--spacing-md);
    padding-top: var(--spacing-md);
}

.post-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: var(--spacing-xl) 0 var(--spacing-sm);
}

.post-content p {
    margin-bottom: var(--spacing-md);
}

.post-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.post-content a:hover {
    color: var(--color-primary-dark);
}

.post-content ul,
.post-content ol {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-xl);
}

.post-content li {
    margin-bottom: var(--spacing-sm);
}

.post-content strong {
    font-weight: 600;
}

.post-content blockquote {
    border-left: 3px solid var(--color-primary);
    padding: var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    background-color: var(--color-background);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.post-content blockquote p {
    margin: 0;
    color: var(--color-text-muted);
    font-style: italic;
}

.post-content pre {
    background-color: var(--color-text);
    color: #e2e8f0;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: var(--spacing-lg) 0;
    font-size: 0.875rem;
    line-height: 1.6;
}

.post-content code {
    font-family: 'SF Mono', Menlo, Consolas, monospace;
    font-size: 0.875em;
    background-color: var(--color-background);
    padding: 0.15em 0.4em;
    border-radius: var(--radius-sm);
}

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

.post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-lg) 0;
    font-size: 0.9375rem;
}

.post-content th {
    background-color: var(--color-background);
    font-weight: 600;
    text-align: left;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
}

.post-content td {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
}

.post-content figure {
    margin: var(--spacing-xl) 0;
    text-align: center;
}

.post-content figure img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.post-content figcaption {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
}

.post-content hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--spacing-2xl) 0;
}

/* Post Footer */
.post-footer {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tag {
    font-size: 0.75rem;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
}

.post-share {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.post-share a {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
}

.post-share a:hover {
    text-decoration: underline;
}

/* ==========================================
   Blog CTA Section
   ========================================== */
.blog-cta {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-background);
    text-align: center;
}

.blog-cta h2 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.blog-cta p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

.cta-apps {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.cta-app-link {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.cta-app-link:hover {
    border-color: var(--color-primary);
    background-color: var(--color-primary);
    color: white;
}

/* ==========================================
   Feature Highlight Cards
   ========================================== */
.feature-card {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-xl) var(--spacing-2xl);
    background: linear-gradient(135deg, #f0f5ff 0%, #e8f0fe 100%);
    border: 1px solid #c5d5f0;
    border-radius: var(--radius-xl);
    text-align: center;
}

.feature-card-headline {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.feature-card-subtext {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.feature-card.green {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    border-color: #a7f3d0;
}

.feature-card.green .feature-card-headline {
    color: #065f46;
}

.feature-card.purple {
    background: linear-gradient(135deg, #f5f3ff 0%, #ede9fe 100%);
    border-color: #c4b5fd;
}

.feature-card.purple .feature-card-headline {
    color: #5b21b6;
}

.feature-card.dark {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border-color: #334155;
}

.feature-card.dark .feature-card-headline {
    color: #ffffff;
}

.feature-card.dark .feature-card-subtext {
    color: #94a3b8;
}

.feature-card.orange {
    background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%);
    border-color: #fed7aa;
}

.feature-card.orange .feature-card-headline {
    color: #9a3412;
}

/* ==========================================
   Responsive
   ========================================== */
@media (max-width: 480px) {
    .post-title {
        font-size: 1.5rem;
    }

    .post-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}