/* CSS para página de artigo individual */

/* Article Layout */
.news-article {
    max-width: 800px;
    margin: 0 auto 3rem;
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

/* Article Header */
.article-header {
    padding: 2rem 2rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.article-category {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-full);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.75rem;
}

.article-date,
.article-views {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.article-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin: 0 0 1.5rem 0;
    color: var(--text-primary);
}

.article-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
}

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

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

.author-role {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.article-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background: var(--bg-primary);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-base);
}

.action-btn:hover {
    background: var(--primary-light);
    border-color: var(--primary-color);
    color: var(--primary-dark);
}

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

/* Article Image */
.article-image {
    width: 100%;
    max-height: 400px;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Article Content */
.article-content {
    padding: 2rem;
    line-height: 1.8;
    font-size: 1.125rem;
    color: var(--text-primary);
}

.article-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 2rem 0 1rem 0;
    color: var(--text-primary);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

.article-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 1.5rem 0 1rem 0;
    color: var(--text-primary);
}

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

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-md);
    margin: 1.5rem 0;
    box-shadow: var(--shadow-sm);
}

.article-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    background: var(--primary-light);
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
    font-style: italic;
    color: var(--primary-dark);
}

.article-content ul,
.article-content ol {
    margin: 1rem 0 1.5rem 2rem;
}

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

.article-content a {
    color: var(--primary-color);
    text-decoration: underline;
    transition: var(--transition-base);
}

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

/* Article Tags */
.article-tags {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.tags-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.tag {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-full);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition-base);
}

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

/* Article Navigation */
.article-navigation {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--card-bg);
    border-radius: var(--border-radius-md);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition-base);
    flex: 1;
    max-width: 45%;
}

.nav-link:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

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

.nav-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.nav-title {
    display: block;
    font-weight: 600;
    font-size: 0.875rem;
}

/* Comments Section */
.comments-section {
    max-width: 800px;
    margin: 0 auto 3rem;
}

.comments-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

/* Comment Form */
.comment-form {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
}

.comment-form .form-group {
    margin-bottom: 1rem;
}

.comment-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.comment-form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-family: inherit;
    font-size: 1rem;
    line-height: 1.5;
    resize: vertical;
    transition: var(--transition-base);
}

.comment-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

.login-prompt {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    margin-bottom: 2rem;
    border: 2px dashed var(--border-color);
}

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

.login-prompt a:hover {
    text-decoration: underline;
}

/* Comments List */
.comments-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.comment {
    display: flex;
    gap: 1rem;
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

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

.comment-avatar img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.comment-content {
    flex: 1;
}

.comment-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

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

.author-badge {
    background: var(--primary-color);
    color: white;
    padding: 0.125rem 0.5rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.comment-date {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.comment-text {
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.comment-actions {
    display: flex;
    gap: 1rem;
}

.comment-action {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition-base);
}

.comment-action:hover {
    color: var(--primary-color);
}

/* Reply Form */
.reply-form-container {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.reply-form textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-family: inherit;
    resize: vertical;
    margin-bottom: 0.75rem;
}

.reply-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

/* Replies Container */
.replies-container {
    margin-top: 1rem;
    padding-left: 1rem;
    border-left: 2px solid var(--border-color);
}

.replies-container .comment {
    background: var(--bg-secondary);
    margin-bottom: 1rem;
}

.no-comments {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    border: 2px dashed var(--border-color);
}

/* Related News */
.related-news {
    max-width: 800px;
    margin: 0 auto;
}

.related-news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.related-news-card {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.related-news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.related-news-image {
    height: 150px;
    overflow: hidden;
}

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

.related-news-card:hover .related-news-image img {
    transform: scale(1.05);
}

.related-news-content {
    padding: 1rem;
}

.related-news-category {
    background: var(--primary-light);
    color: var(--primary-dark);
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.related-news-title {
    margin: 0.75rem 0 0.5rem 0;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.3;
}

.related-news-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-base);
}

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

.related-news-date {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .article-title {
        font-size: 2rem;
    }
    
    .article-header,
    .article-content,
    .article-tags,
    .article-navigation {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .article-navigation {
        flex-direction: column;
    }
    
    .nav-link {
        max-width: 100%;
    }
    
    .nav-link.next-link {
        text-align: left;
        justify-content: flex-start;
    }
    
    .article-actions {
        justify-content: center;
    }
    
    .comment {
        padding: 1rem;
    }
    
    .related-news-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .article-title {
        font-size: 1.75rem;
    }
    
    .article-content {
        font-size: 1rem;
        padding: 1rem;
    }
    
    .article-meta {
        flex-wrap: wrap;
    }
    
    .comment {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .comment-avatar {
        align-self: flex-start;
    }
}

/* Print Styles */
@media print {
    .article-actions,
    .article-navigation,
    .comments-section {
        display: none;
    }
    
    .news-article {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .article-content {
        font-size: 12pt;
        line-height: 1.6;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .comment-form textarea,
    .reply-form textarea {
        background: var(--bg-secondary);
        color: var(--text-primary);
    }
}

/* Loading States */
.comment.loading {
    opacity: 0.6;
    pointer-events: none;
}

.comment.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}