/* Blog Post Specific Styles */

/* Reading Progress Bar */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.reading-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--highlight-color), var(--accent-color));
    width: 0%;
    transition: width 0.1s ease;
}

/* Blog Post Container */
.blog-post {
    padding: 120px 0 0;
    min-height: 100vh;
}

/* Post Header */
.post-header {
    text-align: center;
    margin-bottom: 3rem;
}

.post-breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    font-size: var(--font-size-sm);
    color: var(--text-light);
}

.post-breadcrumb a {
    color: var(--highlight-color);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.post-breadcrumb a:hover {
    opacity: 0.8;
}

.post-title {
    font-size: var(--font-size-xl);
    line-height: var(--line-height-tight);
    margin-bottom: 2rem;
    color: var(--text-primary);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.post-meta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.post-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
}

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

.author-name {
    font-weight: 600;
    color: var(--text-primary);
}

.author-title {
    font-size: var(--font-size-sm);
    color: var(--text-light);
}

.post-details {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.post-details > span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.post-details i {
    color: var(--highlight-color);
}

.post-image {
    max-width: 800px;
    margin: 0 auto;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.post-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Post Content Layout */
.post-content-wrapper {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    align-items: start;
}

/* Table of Contents */
.table-of-contents {
    position: sticky;
    top: 120px;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.table-of-contents h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-size: var(--font-size-base);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.table-of-contents nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.table-of-contents nav ul li {
    margin-bottom: 0.5rem;
}

.table-of-contents nav ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    line-height: 1.4;
    padding: 0.25rem 0;
    display: block;
    transition: all 0.3s ease;
    border-left: 2px solid transparent;
    padding-left: 0.5rem;
}

.table-of-contents nav ul li a:hover,
.table-of-contents nav ul li a.active {
    color: var(--highlight-color);
    border-left-color: var(--highlight-color);
}

.table-of-contents nav ul ul {
    margin-top: 0.5rem;
    margin-left: 1rem;
}

.table-of-contents nav ul ul li a {
    font-size: 0.8rem;
    opacity: 0.8;
}

/* Post Content */
.post-content {
    line-height: var(--line-height-relaxed);
    color: var(--text-primary);
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 3rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    line-height: var(--line-height-tight);
    scroll-margin-top: 120px;
}

.post-content h1 {
    font-size: var(--font-size-lg);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.post-content h2 {
    font-size: var(--font-size-md);
    color: var(--primary-color);
}

.post-content h3 {
    font-size: 1.25rem;
    color: var(--secondary-color);
}

.post-content p {
    margin-bottom: 1.5rem;
}

.post-content a {
    color: var(--highlight-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.post-content a:hover {
    border-bottom-color: var(--highlight-color);
}

.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    margin: 2rem 0;
    box-shadow: var(--shadow);
}

.post-content blockquote {
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-left: 4px solid var(--highlight-color);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    font-style: italic;
    color: var(--text-secondary);
}

.post-content code {
    background: var(--bg-secondary);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9rem;
    color: var(--accent-color);
}

.post-content pre {
    background: var(--primary-color);
    color: #f8f8f2;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    overflow-x: auto;
    margin: 2rem 0;
    line-height: 1.4;
}

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

.post-content ul,
.post-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.post-content li {
    margin-bottom: 0.5rem;
}

.post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    box-shadow: var(--shadow);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.post-content th,
.post-content td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.post-content th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-primary);
}

/* Post Footer */
.post-footer {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 2px solid var(--border-color);
}

.post-tags {
    margin-bottom: 3rem;
}

.post-tags h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.tag:hover {
    background: var(--highlight-color);
    color: white;
    border-color: var(--highlight-color);
}

/* Social Share */
.post-share {
    margin-bottom: 3rem;
}

.post-share h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.share-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.share-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.share-btn.twitter {
    background: #1da1f2;
    color: white;
    border-color: #1da1f2;
}

.share-btn.linkedin {
    background: #0077b5;
    color: white;
    border-color: #0077b5;
}

.share-btn.whatsapp {
    background: #25d366;
    color: white;
    border-color: #25d366;
}

.share-btn.copy {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

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

/* Post Navigation */
.post-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.nav-prev,
.nav-next {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.nav-prev:hover,
.nav-next:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.post-navigation .nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    text-decoration: none;
    color: var(--text-primary);
}

.nav-prev .nav-link {
    text-align: left;
}

.nav-next .nav-link {
    text-align: right;
    justify-content: flex-end;
}

.nav-label {
    font-size: var(--font-size-sm);
    color: var(--text-light);
    display: block;
    margin-bottom: 0.25rem;
}

.nav-title {
    font-weight: 600;
    display: block;
    line-height: 1.3;
}

.post-navigation i {
    color: var(--highlight-color);
    font-size: 1.2rem;
}

/* Back to Blog */
.back-to-blog {
    padding: 2rem 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    background: var(--highlight-color);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.back-btn:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .post-content-wrapper {
        grid-template-columns: 200px 1fr;
        gap: 2rem;
    }
    
    .table-of-contents {
        padding: 1rem;
    }
    
    .post-content {
        padding: 2rem;
    }
}

@media (max-width: 768px) {
    .blog-post {
        padding: 100px 0 0;
    }
    
    .post-title {
        font-size: var(--font-size-lg);
    }
    
    .post-meta {
        gap: 1rem;
    }
    
    .post-details {
        gap: 1rem;
        font-size: 0.8rem;
    }
    
    .post-content-wrapper {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .table-of-contents {
        position: static;
        order: -1;
        margin-bottom: 2rem;
    }
    
    .post-content {
        padding: 1.5rem;
    }
    
    .post-navigation {
        grid-template-columns: 1fr;
    }
    
    .share-buttons {
        justify-content: center;
    }
    
    .share-btn {
        flex: 1;
        min-width: 120px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .post-details {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .post-content {
        padding: 1rem;
    }
    
    .post-navigation .nav-link {
        padding: 1rem;
    }
    
    .share-buttons {
        flex-direction: column;
    }
}