/* Estilos para artigos do blog - Prof. Maicon Centner */

/* Layout do artigo */
.blog-post {
    padding: 80px 0;
    background-color: #fff;
}

.blog-post .container {
    max-width: 900px;
}

/* Cabeçalho do post */
.post-header {
    margin-bottom: 40px;
}

.post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 15px;
}

.post-category {
    display: inline-block;
    padding: 5px 15px;
    background-color: #e6f3fa;
    color: #3498db;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.post-date {
    color: #7f8c8d;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.post-header h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    line-height: 1.3;
    margin-bottom: 25px;
}

.post-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.post-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.post-author div {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.post-author div span:first-child {
    font-weight: 500;
    color: #2c3e50;
}

.post-author div span:last-child {
    font-size: 0.9rem;
    color: #7f8c8d;
}

/* Imagem destacada */
.post-featured-image {
    margin-bottom: 40px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

/* Conteúdo do post */
.post-content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #34495e;
}

.post-intro {
    font-size: 1.25rem;
    line-height: 1.7;
    color: #2c3e50;
    font-weight: 500;
    margin-bottom: 30px;
    padding-left: 20px;
    border-left: 4px solid #3498db;
}

.post-content h2 {
    font-size: 1.8rem;
    color: #2c3e50;
    margin: 50px 0 25px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f0f0f0;
}

.post-content h3 {
    font-size: 1.4rem;
    color: #2c3e50;
    margin: 40px 0 20px;
}

.post-content p {
    margin-bottom: 20px;
}

.post-content ul, 
.post-content ol {
    margin-bottom: 20px;
    padding-left: 25px;
}

.post-content li {
    margin-bottom: 10px;
}

.post-content a {
    color: #3498db;
    text-decoration: none;
    border-bottom: 1px dotted #3498db;
    transition: all 0.3s ease;
}

.post-content a:hover {
    color: #2980b9;
    border-bottom-style: solid;
}

/* Imagens dentro do conteúdo */
.post-image-container {
    margin: 30px 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

.image-caption {
    padding: 15px;
    background-color: #f9f9f9;
    color: #7f8c8d;
    font-size: 0.9rem;
    text-align: center;
    font-style: italic;
}

/* Fórmulas matemáticas */
.formula {
    background-color: #f9f9f9;
    padding: 20px;
    border-radius: 5px;
    margin: 25px 0;
    border-left: 4px solid #3498db;
}

.formula p {
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.formula ul {
    margin-top: 15px;
}

/* Citações */
blockquote {
    margin: 30px 0;
    padding: 20px 30px;
    background-color: #f9f9f9;
    border-left: 5px solid #3498db;
    font-style: italic;
    color: #2c3e50;
    position: relative;
}

blockquote::before {
    content: '"';
    position: absolute;
    top: 10px;
    left: 10px;
    font-size: 3rem;
    color: rgba(52, 152, 219, 0.2);
    font-family: Georgia, serif;
}

blockquote p {
    margin-bottom: 0;
}

/* Tags do post */
.post-tags {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid #f0f0f0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.post-tags span {
    font-weight: 500;
    color: #2c3e50;
}

.post-tags a {
    display: inline-block;
    padding: 5px 12px;
    background-color: #f0f0f0;
    color: #7f8c8d;
    border-radius: 15px;
    font-size: 0.85rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.post-tags a:hover {
    background-color: #3498db;
    color: white;
}

/* Navegação entre posts */
.post-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 50px;
    padding: 30px 0;
    border-top: 1px solid #f0f0f0;
    border-bottom: 1px solid #f0f0f0;
}

.post-nav-prev, 
.post-nav-next {
    display: flex;
}

.post-nav-prev a, 
.post-nav-next a {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    transition: all 0.3s ease;
}

.post-nav-prev a {
    align-items: flex-start;
}

.post-nav-next a {
    align-items: flex-end;
    text-align: right;
}

.post-nav-prev a span, 
.post-nav-next a span {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #3498db;
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.post-nav-prev a p, 
.post-nav-next a p {
    color: #2c3e50;
    font-weight: 500;
    transition: all 0.3s ease;
}

.post-nav-prev a:hover p, 
.post-nav-next a:hover p {
    color: #3498db;
}

/* Posts relacionados */
.related-posts {
    margin-top: 50px;
    padding-top: 40px;
}

.related-posts h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 25px;
    text-align: center;
}

.related-posts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.related-post {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.related-post:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.related-post a {
    text-decoration: none;
    display: block;
}

.related-post img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
}

.related-post h4 {
    padding: 15px;
    color: #2c3e50;
    font-size: 1rem;
    line-height: 1.4;
    transition: all 0.3s ease;
}

.related-post:hover h4 {
    color: #3498db;
}

/* Seção de comentários */
.comments-section {
    margin-top: 60px;
    padding-top: 40px;
}

.comments-section h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 30px;
}

.comment-form {
    background-color: #f9f9f9;
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 40px;
}

.comment-form h4 {
    font-size: 1.2rem;
    color: #2c3e50;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #2c3e50;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group textarea {
    resize: vertical;
}

.comments-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.comment {
    display: flex;
    gap: 20px;
}

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

.comment-avatar img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.comment-content {
    flex-grow: 1;
}

.comment-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.comment-header h4 {
    font-size: 1.1rem;
    color: #2c3e50;
}

.comment-header span {
    font-size: 0.9rem;
    color: #7f8c8d;
}

.comment-content p {
    margin-bottom: 10px;
    line-height: 1.6;
}

.comment-actions {
    display: flex;
    gap: 15px;
}

.reply-btn {
    background: none;
    border: none;
    color: #3498db;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    padding: 0;
    transition: all 0.3s ease;
}

.reply-btn:hover {
    color: #2980b9;
    text-decoration: underline;
}

/* Responsividade */
@media (max-width: 991.98px) {
    .post-header h1 {
        font-size: 2rem;
    }
    
    .related-posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767.98px) {
    .blog-post {
        padding: 60px 0;
    }
    
    .post-header h1 {
        font-size: 1.8rem;
    }
    
    .post-navigation {
        grid-template-columns: 1fr;
    }
    
    .post-nav-next {
        margin-top: 20px;
    }
    
    .post-nav-next a {
        align-items: flex-start;
        text-align: left;
    }
    
    .related-posts-grid {
        grid-template-columns: 1fr;
    }
    
    .comment {
        flex-direction: column;
    }
    
    .comment-avatar {
        margin-bottom: 10px;
    }
    
    .comment-header {
        flex-direction: column;
    }
}

@media (max-width: 575.98px) {
    .post-content {
        font-size: 1rem;
    }
    
    .post-intro {
        font-size: 1.1rem;
    }
    
    .post-header h1 {
        font-size: 1.5rem;
    }
    
    .post-content h2 {
        font-size: 1.4rem;
    }
    
    .post-content h3 {
        font-size: 1.2rem;
    }
}