/**
 * Single Post CSS
 * Cho single-post.php và các bài viết thường
 * 
 * @package Strongbody_Theme
 */

/* Single Post Header */
.single-post-header {
    background: linear-gradient(180deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    padding: calc(var(--header-offset, 60px) + 80px) 0 60px;
    text-align: center;
    margin-bottom: 50px;
    border-bottom: 1px solid var(--border-color);
    width: 100%;
    position: relative;
}

/* Đảm bảo single post header có full-width background */
.single-post-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100vw;
    height: 100%;
    background: inherit;
    z-index: -1;
}

.single-post-header .post-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--text-primary);
    margin: 0 0 14px;
    line-height: 1.2;
}

.single-post-header .post-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

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

.single-post-header .post-meta .meta-item a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.single-post-header .post-meta .meta-item a:hover {
    color: var(--accent-color);
}

/* Single Post Content */
.single-post-content {
    max-width: var(--container-max-width, 800px);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.single-post-content .post-content {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    line-height: 1.8;
    color: var(--text-primary);
}

/* Post Featured Image */
.single-post-content .post-featured-image {
    width: 100%;
    height: 400px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-xl);
}

.single-post-content .post-featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Post Typography */
.single-post-content h1,
.single-post-content h2,
.single-post-content h3,
.single-post-content h4,
.single-post-content h5,
.single-post-content h6 {
    color: var(--text-primary);
    margin: var(--spacing-xl) 0 var(--spacing-md);
    line-height: 1.3;
}

.single-post-content h1 { font-size: var(--text-2xl); }
.single-post-content h2 { font-size: var(--text-xl); }
.single-post-content h3 { font-size: var(--text-lg); }
.single-post-content h4 { font-size: var(--text-md); }
.single-post-content h5 { font-size: var(--text-sm); }
.single-post-content h6 { font-size: var(--text-xs); }

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

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

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

.single-post-content blockquote {
    background: var(--bg-secondary);
    border-left: 4px solid var(--accent-color);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    color: var(--text-secondary);
}

.single-post-content blockquote p {
    margin: 0;
    font-size: var(--text-lg);
}

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

.single-post-content pre {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: var(--spacing-lg) 0;
}

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

/* Post Navigation */
.post-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.post-navigation .nav-previous,
.post-navigation .nav-next {
    flex: 1;
}

.post-navigation .nav-next {
    text-align: right;
}

.post-navigation .nav-links {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.post-navigation .nav-links:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

.post-navigation .nav-subtitle {
    display: block;
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.post-navigation .nav-title {
    font-weight: 600;
    font-size: var(--text-sm);
}

/* Post Comments */
.post-comments {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.post-comments .comments-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

/* Responsive Design */
@media (max-width: 768px) {
    .single-post-header {
        padding: calc(var(--header-offset, 60px) + 60px) 0 40px;
    }
    
    .single-post-header .post-title {
        font-size: clamp(1.5rem, 5vw, 2.5rem);
    }
    
    .single-post-content .post-content {
        padding: var(--spacing-lg);
    }
    
    .single-post-content .post-featured-image {
        height: 300px;
    }
    
    .post-navigation {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .post-navigation .nav-next {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .single-post-content {
        padding: 0 var(--spacing-sm);
    }
    
    .single-post-content .post-content {
        padding: var(--spacing-md);
    }
    
    .single-post-content .post-featured-image {
        height: 250px;
    }
    
    .single-post-header .post-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}