/* Blog Post Page Styles */

/* Breadcrumb */
.breadcrumb-section {
    background: var(--gray-50);
    padding: var(--spacing-4) 0;
    border-bottom: 1px solid var(--gray-200);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
}

.breadcrumb-item {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-item:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.breadcrumb-separator {
    color: var(--gray-500);
}

.breadcrumb-current {
    color: var(--gray-700);
    font-weight: 500;
}

/* Article Main */
.article-main {
    padding: var(--spacing-16) 0;
    background: var(--white);
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* Article Header */
.article-header {
    padding: var(--spacing-8) var(--spacing-8) var(--spacing-6);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    border-bottom: 1px solid var(--gray-200);
}

.article-category-badge {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
    margin-bottom: var(--spacing-4);
}

.article-meta {
    display: flex;
    gap: var(--spacing-6);
    align-items: center;
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.article-date {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.article-date::before {
    content: "📅";
    font-size: var(--font-size-base);
}

.article-read-time {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.article-read-time::before {
    content: "⏱️";
    font-size: var(--font-size-base);
}

/* Featured Image */
.article-featured-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 0;
}

/* Article Body */
.article-body {
    padding: var(--spacing-8);
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--gray-800);
}

.article-body h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--gray-900);
    margin: var(--spacing-8) 0 var(--spacing-4);
    padding-bottom: var(--spacing-2);
    border-bottom: 2px solid var(--primary-color);
}

.article-body h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-900);
    margin: var(--spacing-6) 0 var(--spacing-3);
}

.article-body p {
    margin-bottom: var(--spacing-4);
}

.article-body ul, .article-body ol {
    margin-bottom: var(--spacing-4);
    padding-left: var(--spacing-6);
}

.article-body li {
    margin-bottom: var(--spacing-2);
}

.article-body blockquote {
    background: var(--gray-50);
    border-left: 4px solid var(--primary-color);
    padding: var(--spacing-6);
    margin: var(--spacing-6) 0;
    font-style: italic;
    font-size: var(--font-size-lg);
    color: var(--gray-700);
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
}

/* Article Tags */
.article-tags {
    padding: var(--spacing-6) var(--spacing-8);
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.article-tags .tag {
    display: inline-block;
    background: var(--white);
    color: var(--primary-color);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    margin-right: var(--spacing-2);
    margin-bottom: var(--spacing-2);
    border: 1px solid var(--primary-color);
    transition: all 0.3s ease;
}

.article-tags .tag:hover {
    background: var(--primary-color);
    color: var(--white);
}

/* Article Actions */
.article-actions {
    padding: var(--spacing-6) var(--spacing-8);
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

.article-share {
    display: flex;
    gap: var(--spacing-3);
}

.share-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--gray-100);
    color: var(--gray-700);
    text-decoration: none;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    transition: all 0.3s ease;
}

.share-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.back-to-blog {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    background: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    transition: all 0.3s ease;
}

.back-to-blog:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Related Articles */
.related-articles {
    padding: var(--spacing-16) 0;
    background: var(--gray-50);
}

.related-articles h2 {
    text-align: center;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-12);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-8);
    max-width: 1200px;
    margin: 0 auto;
}

.related-article {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.related-article:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.related-article-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.related-article-content {
    padding: var(--spacing-6);
}

.related-article-category {
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block;
    margin-bottom: var(--spacing-3);
}

.related-article-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-3);
    line-height: 1.3;
}

.related-article-excerpt {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    margin-bottom: var(--spacing-4);
    line-height: 1.6;
}

.related-article-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: color 0.3s ease;
}

.related-article-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Loading State */
.loading {
    text-align: center;
    padding: var(--spacing-16);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-4);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Error State */
.error-state {
    text-align: center;
    padding: var(--spacing-16);
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.error-state h2 {
    color: var(--gray-900);
    margin-bottom: var(--spacing-4);
}

.error-state p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-6);
}

/* Responsive Design */
@media (max-width: 768px) {
    .article-content {
        margin: 0 var(--spacing-4);
        border-radius: var(--border-radius-md);
    }
    
    .article-header {
        padding: var(--spacing-6) var(--spacing-6) var(--spacing-4);
    }
    
    .article-title {
        font-size: var(--font-size-3xl);
    }
    
    .article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-2);
    }
    
    .article-body {
        padding: var(--spacing-6);
        font-size: var(--font-size-base);
    }
    
    .article-body h2 {
        font-size: var(--font-size-xl);
    }
    
    .article-body h3 {
        font-size: var(--font-size-lg);
    }
    
    .article-actions {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-4);
    }
    
    .article-share {
        justify-content: center;
    }
    
    .back-to-blog {
        text-align: center;
        justify-content: center;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .breadcrumb {
        font-size: var(--font-size-xs);
    }
}

@media (max-width: 480px) {
    .article-featured-image {
        height: 250px;
    }
    
    .article-title {
        font-size: var(--font-size-2xl);
    }
    
    .article-body {
        padding: var(--spacing-4);
    }
    
    .article-actions {
        padding: var(--spacing-4);
    }
    
    .share-btn {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-xs);
    }
    
    .back-to-blog {
        padding: var(--spacing-3) var(--spacing-4);
        font-size: var(--font-size-sm);
    }
}

/* Breadcrumb */
.breadcrumb-section {
    background: #f8fafc;
    padding: 1rem 0;
    border-bottom: 1px solid #e5e7eb;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: #6b7280;
}

.breadcrumb-item {
    color: #11747a;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-item:hover {
    color: #0e5f64;
}

.breadcrumb-separator {
    color: #9ca3af;
}

.breadcrumb-current {
    color: #374151;
    font-weight: 500;
}

/* Article Main */
.article-main {
    padding: 3rem 0;
    background: #ffffff;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
}

/* Loading State */
.loading {
    text-align: center;
    padding: 4rem 0;
    color: #6b7280;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #e5e7eb;
    border-top: 4px solid #11747a;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Article Header */
.article-header {
    margin-bottom: 2rem;
    text-align: center;
}

.article-category-badge {
    display: inline-block;
    background: #dbeafe;
    color: #1e40af;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.article-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: #1e293b;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.article-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    color: #6b7280;
    font-size: 0.875rem;
    margin-bottom: 2rem;
}

.article-date,
.article-read-time {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-date::before {
    content: "📅";
}

.article-read-time::before {
    content: "⏱️";
}

/* Article Image */
.article-featured-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 2rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

/* Article Body */
.article-body {
    line-height: 1.8;
    color: #374151;
    font-size: 1.125rem;
}

.article-body h2 {
    font-size: 1.875rem;
    font-weight: 700;
    color: #1e293b;
    margin: 2rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e5e7eb;
}

.article-body h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e293b;
    margin: 1.5rem 0 0.75rem;
}

.article-body p {
    margin-bottom: 1.5rem;
    text-align: justify;
}

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

.article-body li {
    margin-bottom: 0.5rem;
}

.article-body blockquote {
    border-left: 4px solid #3b82f6;
    background: #f8fafc;
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: #4b5563;
}

.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1.5rem 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Article Tags */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 2rem 0;
    padding: 1.5rem 0;
    border-top: 1px solid #e5e7eb;
    border-bottom: 1px solid #e5e7eb;
}

.article-tags .tag {
    background: #f3f4f6;
    color: #374151;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

.article-tags .tag:hover {
    background: #11747a;
    color: white;
    transform: translateY(-1px);
}

/* Article Actions */
.article-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 2rem 0;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 12px;
}

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

.share-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    color: #374151;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.share-btn:hover {
    background: #11747a;
    color: white;
    border-color: #11747a;
    transform: translateY(-1px);
}

.back-to-blog {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #11747a;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.back-to-blog:hover {
    color: #0e5f64;
}

/* Related Articles */
.related-articles {
    background: #f8fafc;
    padding: 3rem 0;
    margin-top: 3rem;
}

.related-articles h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #1e293b;
    text-align: center;
    margin-bottom: 2rem;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.related-article {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.related-article:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.related-article-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.related-article-content {
    padding: 1.5rem;
}

.related-article-category {
    display: inline-block;
    background: #dbeafe;
    color: #1e40af;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.related-article-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.related-article-excerpt {
    color: #6b7280;
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.related-article-link {
    color: #11747a;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: color 0.3s ease;
}

.related-article-link:hover {
    color: #0e5f64;
}

/* Responsive Design */
@media (max-width: 768px) {
    .article-title {
        font-size: 2rem;
    }
    
    .article-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .article-featured-image {
        height: 250px;
    }
    
    .article-body {
        font-size: 1rem;
    }
    
    .article-body h2 {
        font-size: 1.5rem;
    }
    
    .article-body h3 {
        font-size: 1.25rem;
    }
    
    .article-actions {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .article-share {
        justify-content: center;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .article-main {
        padding: 2rem 0;
    }
    
    .article-title {
        font-size: 1.75rem;
    }
    
    .article-featured-image {
        height: 200px;
    }
    
    .article-tags {
        justify-content: center;
    }
    
    .share-btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
}