/* ==========================================
   DALON Blog Post Page Styles
   ========================================== */

/* ==========================================
   Breadcrumb Section
   ========================================== */

.breadcrumb-section {
    background: var(--light-gray);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--border-gray);
}

.breadcrumb {
    background: transparent;
    padding: 0;
    margin: 0;
    font-size: 0.875rem;
}

.breadcrumb-item {
    color: var(--medium-gray);
}

.breadcrumb-item + .breadcrumb-item::before {
    content: ">";
    color: var(--medium-gray);
    margin: 0 var(--spacing-sm);
}

.breadcrumb-item a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: var(--transition-fast);
}

.breadcrumb-item a:hover {
    color: var(--primary-orange);
}

.breadcrumb-item.active {
    color: var(--black);
    font-weight: var(--font-weight-medium);
}

/* ==========================================
   Post Main Content
   ========================================== */

.post-main {
    padding: var(--spacing-xxl) 0;
    background: var(--light-gray);
    min-height: 70vh;
}

.post-content-wrapper {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xxl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
}

/* ==========================================
   Post Header
   ========================================== */

.post-header {
    margin-bottom: var(--spacing-xxl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--border-gray);
}

.post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
    color: var(--medium-gray);
}

.post-meta span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.post-meta .post-category a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: var(--transition-fast);
}

.post-meta .post-category a:hover {
    color: var(--primary-orange);
}

.post-meta i {
    color: var(--primary-orange);
    width: 14px;
    text-align: center;
}

.post-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--black);
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

.post-excerpt {
    font-size: 1.25rem;
    color: var(--medium-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--light-gray);
    border-left: 4px solid var(--primary-orange);
    border-radius: var(--radius-md);
    font-style: italic;
}

.post-author-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--light-gray);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-lg);
}

.author-avatar {
    flex-shrink: 0;
}

.author-avatar i {
    font-size: 3rem;
    color: var(--primary-blue);
}

.author-details {
    flex: 1;
}

.author-name {
    font-size: 1.1rem;
    font-weight: var(--font-weight-bold);
    color: var(--black);
    margin-bottom: var(--spacing-xs);
}

.author-bio {
    color: var(--medium-gray);
    font-size: 0.875rem;
}

.post-share .share-btn {
    background: var(--primary-blue);
    color: var(--white);
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.post-share .share-btn:hover {
    background: var(--primary-orange);
    transform: translateY(-1px);
}

/* ==========================================
   Featured Image
   ========================================== */

.post-featured-image {
    margin-bottom: var(--spacing-xxl);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.post-featured-image img {
    width: 100%;
    height: auto;
    display: block;
    max-height: 400px;
    object-fit: cover;
}

/* ==========================================
   Post Content
   ========================================== */

.post-content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--black);
    margin-bottom: var(--spacing-xxl);
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
    color: var(--primary-blue);
    font-weight: var(--font-weight-bold);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    line-height: 1.3;
}

.post-content h1 {
    font-size: 2.25rem;
    border-bottom: 3px solid var(--primary-orange);
    padding-bottom: var(--spacing-sm);
}

.post-content h2 {
    font-size: 2rem;
    border-bottom: 2px solid var(--primary-orange);
    padding-bottom: var(--spacing-sm);
}

.post-content h3 {
    font-size: 1.75rem;
}

.post-content h4 {
    font-size: 1.5rem;
}

.post-content h5 {
    font-size: 1.25rem;
}

.post-content h6 {
    font-size: 1.1rem;
}

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

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

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

.post-content blockquote {
    background: var(--light-gray);
    border-left: 4px solid var(--primary-blue);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    border-radius: var(--radius-md);
    font-style: italic;
    color: var(--medium-gray);
}

.post-content blockquote p:last-child {
    margin-bottom: 0;
}

.post-content code {
    background: #f8f9fa;
    color: #e83e8c;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.post-content pre {
    background: #f8f9fa;
    border: 1px solid var(--border-gray);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

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

.post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-xl) 0;
    font-size: 1rem;
}

.post-content th,
.post-content td {
    border: 1px solid var(--border-gray);
    padding: var(--spacing-md);
    text-align: left;
}

.post-content th {
    background: var(--primary-blue);
    color: var(--white);
    font-weight: var(--font-weight-bold);
}

.post-content tr:nth-child(even) {
    background: var(--light-gray);
}

.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin: var(--spacing-lg) 0;
}

.post-content a {
    color: var(--primary-blue);
    text-decoration: underline;
    transition: var(--transition-fast);
}

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

/* ==========================================
   Post Tags
   ========================================== */

.post-tags {
    margin-bottom: var(--spacing-xxl);
    padding: var(--spacing-lg);
    background: var(--light-gray);
    border-radius: var(--radius-md);
}

.tags-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-blue);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.post-tags .tag-link {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--white);
    color: var(--primary-blue);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    transition: var(--transition-fast);
    border: 1px solid var(--border-gray);
    box-shadow: var(--shadow-sm);
}

.post-tags .tag-link:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ==========================================
   Post Footer
   ========================================== */

.post-footer {
    padding: var(--spacing-xl);
    background: var(--light-gray);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-xl);
}

.post-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.stat-number {
    display: block;
    font-size: 1.75rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--medium-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.post-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.action-btn {
    background: var(--white);
    border: 2px solid var(--border-gray);
    color: var(--medium-gray);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.action-btn:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    transform: translateY(-1px);
}

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

.like-btn:hover,
.like-btn.active {
    border-color: #e74c3c;
    color: #e74c3c;
}

.like-btn.active {
    background: #e74c3c;
    color: var(--white);
}

.bookmark-btn:hover,
.bookmark-btn.active {
    border-color: var(--primary-orange);
    color: var(--primary-orange);
}

.bookmark-btn.active {
    background: var(--primary-orange);
    color: var(--white);
}

/* ==========================================
   Post Navigation
   ========================================== */

.post-navigation {
    padding: var(--spacing-xl);
    background: var(--light-gray);
    border-radius: var(--radius-md);
}

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

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.nav-link:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.back-to-blog {
    margin: 0 auto;
}

/* ==========================================
   Post Sidebar
   ========================================== */

.post-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

/* Table of Contents */
.toc-widget {
    position: sticky;
    top: var(--spacing-xl);
}

#table-of-contents {
    max-height: 400px;
    overflow-y: auto;
}

.toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.toc-item {
    margin-bottom: var(--spacing-sm);
}

.toc-link {
    display: block;
    color: var(--medium-gray);
    text-decoration: none;
    padding: var(--spacing-sm) 0;
    transition: var(--transition-fast);
    border-left: 3px solid transparent;
    padding-left: var(--spacing-md);
}

.toc-link:hover {
    color: var(--primary-blue);
    border-left-color: var(--primary-orange);
    padding-left: var(--spacing-lg);
}

.toc-link.active {
    color: var(--primary-blue);
    border-left-color: var(--primary-blue);
    font-weight: var(--font-weight-medium);
}

.toc-level-2 {
    padding-left: var(--spacing-lg);
}

.toc-level-3 {
    padding-left: var(--spacing-xl);
}

/* Related Posts */
.related-posts-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.related-post-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--light-gray);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.related-post-item:hover {
    background: var(--white);
    box-shadow: var(--shadow-sm);
}

.related-post-image {
    flex-shrink: 0;
    width: 80px;
    height: 60px;
    overflow: hidden;
    border-radius: var(--radius-sm);
}

.related-post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-medium);
}

.related-post-item:hover .related-post-image img {
    transform: scale(1.05);
}

.related-post-content {
    flex: 1;
    min-width: 0;
}

.related-post-meta {
    display: flex;
    gap: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--medium-gray);
    margin-bottom: var(--spacing-xs);
}

.related-post-category {
    color: var(--primary-blue);
    font-weight: var(--font-weight-medium);
}

.related-post-title {
    margin-bottom: var(--spacing-sm);
}

.related-post-title a {
    color: var(--black);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: var(--font-weight-medium);
    line-height: 1.3;
    transition: var(--transition-fast);
    display: block;
}

.related-post-title a:hover {
    color: var(--primary-blue);
}

.related-post-stats {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.75rem;
    color: var(--medium-gray);
}

.related-post-stats span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* ==========================================
   Responsive Design
   ========================================== */

/* Tablet Styles */
@media (max-width: 768px) {
    .post-content-wrapper {
        padding: var(--spacing-xl);
    }
    
    .post-title {
        font-size: 2rem;
    }
    
    .post-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .post-author-info {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .post-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .post-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .action-btn {
        justify-content: center;
    }
    
    .toc-widget {
        position: static;
    }
    
    .related-post-item {
        flex-direction: column;
    }
    
    .related-post-image {
        width: 100%;
        height: 120px;
    }
}

/* Mobile Styles */
@media (max-width: 576px) {
    .post-main {
        padding: var(--spacing-xl) 0;
    }
    
    .post-content-wrapper {
        padding: var(--spacing-lg);
        margin-bottom: var(--spacing-lg);
    }
    
    .post-title {
        font-size: 1.75rem;
    }
    
    .post-excerpt {
        font-size: 1.1rem;
        padding: var(--spacing-md);
    }
    
    .post-content {
        font-size: 1rem;
    }
    
    .post-content h1 {
        font-size: 1.75rem;
    }
    
    .post-content h2 {
        font-size: 1.5rem;
    }
    
    .post-content h3 {
        font-size: 1.25rem;
    }
    
    .post-stats {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .post-footer,
    .post-navigation {
        padding: var(--spacing-lg);
    }
    
    .breadcrumb-section {
        padding: var(--spacing-md) 0;
    }
    
    .breadcrumb {
        font-size: 0.75rem;
    }
    
    .tags-list {
        gap: var(--spacing-xs);
    }
    
    .post-tags .tag-link {
        font-size: 0.75rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
}

/* ==========================================
   Print Styles
   ========================================== */

@media print {
    .post-sidebar,
    .post-navigation,
    .post-actions,
    .breadcrumb-section {
        display: none;
    }
    
    .post-main {
        padding: 0;
        background: white;
    }
    
    .post-content-wrapper {
        box-shadow: none;
        padding: 0;
    }
    
    .post-content {
        font-size: 12pt;
        line-height: 1.6;
    }
    
    .post-title {
        font-size: 18pt;
        page-break-after: avoid;
    }
    
    .post-content h1,
    .post-content h2,
    .post-content h3 {
        page-break-after: avoid;
    }
    
    .post-featured-image {
        max-height: 300px;
        page-break-inside: avoid;
    }
}

/* ==========================================
   Accessibility Improvements
   ========================================== */

/* Focus styles */
.toc-link:focus,
.related-post-title a:focus,
.action-btn:focus,
.nav-link:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .post-content-wrapper,
    .post-footer,
    .post-navigation {
        border: 2px solid var(--black);
    }
    
    .post-stats .stat-item {
        border: 1px solid var(--black);
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .related-post-image img,
    .action-btn,
    .nav-link,
    .toc-link {
        transition: none;
    }
    
    .related-post-item:hover .related-post-image img {
        transform: none;
    }
}