/* Article Page Styles */
.article-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
    /* Separación del header fijo (desktop ~70px, móvil ~60px) */
    padding-top: 88px;
}

.article-header {
    margin-bottom: 2rem;
}

.article-title-main {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.article-meta-main {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #eee;
}

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

.article-categories-main {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.article-category-main {
    background: #667eea;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

.article-featured-image {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 2rem;
  /* Reservar espacio antes de que cargue para evitar CLS */
  aspect-ratio: 16 / 9;
  background-color: #f3f4f6;
}

.article-content-main {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #333;
}

.article-content-main h1,
.article-content-main h2,
.article-content-main h3,
.article-content-main h4,
.article-content-main h5,
.article-content-main h6 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: #333;
}

.article-content-main h2 {
    font-size: 1.8rem;
    font-weight: 600;
}

.article-content-main h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

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

.article-content-main img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 1.5rem 0;
  /* Evitar reflow fuerte en navegadores modernos */
  content-visibility: auto;
  contain-intrinsic-size: 800px 450px;
}

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

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

.article-content-main blockquote {
    border-left: 4px solid #667eea;
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: #555;
}

.article-content-main code {
    background: #f5f5f5;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.article-content-main pre {
    background: #f5f5f5;
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5rem 0;
}

.article-content-main pre code {
    background: none;
    padding: 0;
}

.loading-article {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    gap: 1rem;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.error-article {
    text-align: center;
    padding: 3rem 2rem;
    color: #666;
}

.error-article h2 {
    color: #dc2626;
    margin-bottom: 1rem;
}

.back-to-articles {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    margin-top: 2rem;
    padding: 0.75rem 1.5rem;
    border: 2px solid #667eea;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.back-to-articles:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

/* Mobile responsive */
@media (max-width: 768px) {
    .article-container {
        padding: 72px 1rem 0 1rem; /* top padding para despegar del header en móvil */
        margin: 1rem auto;
    }
    
    .article-title-main {
        font-size: 2rem;
    }
    
    .article-meta-main {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .article-content-main {
        font-size: 1rem;
    }
    
    .article-content-main h2 {
        font-size: 1.5rem;
    }
    
    .article-content-main h3 {
        font-size: 1.3rem;
    }
}