/* ==========================================================================
   Blog Aesthetics & Layout System - testautoconocimiento.com
   Extends global variables from ../styles.css
   ========================================================================== */

/* Blog Container */
.blog-container {
    max-width: 1100px;
    margin: 4rem auto;
    padding: 0 1.5rem;
}

.blog-nav-cta {
    white-space: nowrap;
    padding: 0.65rem 1rem;
    font-size: 0.875rem;
    text-decoration: none;
}

@media (max-width: 480px) {
    .blog-nav-cta {
        padding: 0.55rem 0.75rem;
        font-size: 0.75rem;
    }

    .blog-page .nav-logo span,
    .blog-post-page .nav-logo span {
        display: none;
    }
}

.blog-hero {
    text-align: center;
    padding: 5rem 0 3rem;
    position: relative;
}

.blog-hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
    background: var(--gradient-text, linear-gradient(135deg, #f0f0f0 0%, #a0a0a0 100%));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-theme="light"] .blog-hero h1 {
    background: linear-gradient(135deg, #1a1a2e 0%, #494966 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.blog-hero p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.5;
}

/* Category Filter Bar */
.blog-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 3.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.5rem 1.25rem;
    border-radius: 99px;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    min-height: 44px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.filter-btn:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.02);
}

[data-theme="light"] .filter-btn:hover {
    background: rgba(0, 0, 0, 0.02);
}

.filter-btn.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--text-on-accent);
    box-shadow: 0 4px 15px var(--accent-glow);
}

/* Blog Layout Grid */
.blog-layout {
    display: grid;
    grid-template-columns: 2.2fr 1fr;
    gap: 3.5rem;
}

@media (max-width: 992px) {
    .blog-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

@media (max-width: 640px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }
}

/* Blog Card */
.blog-card {
    position: relative;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    box-shadow: var(--shadow-card);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), 
                box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--border-highlight);
}

.blog-card-img-wrapper {
    height: 180px;
    background: linear-gradient(135deg, rgba(212, 160, 23, 0.05) 0%, rgba(212, 160, 23, 0.01) 100%);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
}

[data-theme="light"] .blog-card-img-wrapper {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.05) 0%, rgba(124, 58, 237, 0.01) 100%);
}

/* Beautiful dynamic SVG background representing psychology concepts */
.blog-card-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.12;
    transition: opacity 0.3s ease;
}

.blog-card:hover .blog-card-pattern {
    opacity: 0.18;
}

.blog-card-icon {
    font-size: 3rem;
    color: var(--accent-primary);
    filter: drop-shadow(0 4px 12px var(--accent-glow));
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.blog-card:hover .blog-card-icon {
    transform: scale(1.1) rotate(3deg);
}

.blog-card-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-bottom: 0.75rem;
}

.blog-card-tag {
    background: var(--accent-subtle);
    color: var(--accent-primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.65rem;
    border: 1px solid var(--border-highlight);
}

.blog-card-body h2 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
    margin-bottom: 0.75rem;
    transition: color 0.2s ease;
}

.blog-card:hover h2 {
    color: var(--accent-primary);
}

.blog-card-body p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 1.25rem;
    flex-grow: 1;
}

.blog-card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--accent-primary);
    font-weight: 600;
    font-size: 0.875rem;
    text-decoration: none;
    transition: gap 0.2s ease;
}

.blog-card-link::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
}

.blog-card:hover .blog-card-link {
    gap: 0.6rem;
}

/* Sidebar Widget */
.blog-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-widget {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.75rem;
    box-shadow: var(--shadow-card);
}

.sidebar-widget-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

/* Sidebar Test CTA Widget */
.sidebar-cta-widget {
    background: linear-gradient(160deg, rgba(28, 28, 28, 0.9) 0%, rgba(15, 15, 15, 0.9) 100%);
    border: 1px solid var(--border-highlight);
    text-align: center;
}

[data-theme="light"] .sidebar-cta-widget {
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.95) 0%, rgba(245, 245, 245, 0.95) 100%);
}

.sidebar-cta-widget h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.sidebar-cta-widget p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.sidebar-cta-widget .btn {
    width: 100%;
}

/* Popular Posts Widget */
.popular-posts-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.popular-post-item {
    display: flex;
    gap: 0.75rem;
    text-decoration: none;
    align-items: center;
    min-height: 44px;
}

.popular-post-num {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-tertiary);
    opacity: 0.4;
    width: 24px;
    text-align: center;
}

.popular-post-info h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: 0.2rem;
    transition: color 0.2s ease;
}

.popular-post-item:hover h4 {
    color: var(--accent-primary);
}

.popular-post-info span {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* ==========================================================================
   Single Article Detail Aesthetics
   ========================================================================== */
.article-header {
    margin-bottom: 3rem;
}

.article-breadcrumbs {
    display: flex;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-bottom: 1.5rem;
}

.article-breadcrumbs a {
    color: var(--text-tertiary);
    text-decoration: none;
    transition: color 0.2s;
}

.article-breadcrumbs a:hover {
    color: var(--accent-primary);
}

.article-breadcrumbs span {
    user-select: none;
}

.article-header h1 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1.25;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.article-meta-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.25rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 0.85rem 0;
}

.article-meta-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.article-meta-item svg {
    color: var(--accent-primary);
}

.article-eeat-box {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1.25rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--surface-1);
}

.article-eeat-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.article-eeat-label {
    color: var(--text-tertiary);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.article-eeat-value {
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 650;
    line-height: 1.45;
}

.article-eeat-note {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.45;
}

@media (max-width: 720px) {
    .article-eeat-box {
        grid-template-columns: 1fr;
    }
}

/* Article Body typography optimized for deep reading */
.article-body-content {
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--text-secondary);
}

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

.article-body-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 2.5rem 0 1rem;
    letter-spacing: -0.01em;
}

.article-body-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 1.75rem 0 0.75rem;
}

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

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

.article-body-content strong {
    color: var(--text-primary);
}

.article-topic-visual {
    margin: 2rem 0;
}

.article-topic-visual svg {
    display: block;
    width: 100%;
    height: auto;
    color: var(--accent-primary);
}

.topic-visual-bg {
    fill: color-mix(in srgb, var(--accent-primary) 8%, var(--surface-1));
    stroke: color-mix(in srgb, var(--accent-primary) 35%, var(--border-color));
    stroke-width: 2;
}

.topic-visual-grid {
    fill: none;
    stroke: currentColor;
    stroke-width: 1;
    opacity: 0.1;
}

.topic-visual-mark {
    fill: none;
    stroke: currentColor;
    stroke-width: 7;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.article-topic-visual figcaption {
    margin-top: 0.75rem;
    color: var(--text-tertiary);
    font-size: 0.82rem;
    line-height: 1.5;
    text-align: center;
}

.article-toc {
    margin: 2rem 0;
    padding: 1.25rem 1.5rem;
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--accent-primary);
    border-radius: 0 1rem 1rem 0;
    background: var(--surface-1);
}

.article-toc strong {
    display: block;
    margin-bottom: 0.75rem;
}

.article-toc ol {
    margin: 0;
    padding-left: 0;
    list-style: none;
}

.article-toc li + li {
    margin-top: 0.45rem;
}

.article-toc a {
    color: var(--text-secondary);
    text-decoration-color: color-mix(in srgb, var(--accent-primary) 45%, transparent);
    text-underline-offset: 3px;
}

.article-toc a:hover {
    color: var(--accent-primary);
}

.article-conversion-cta {
    margin: 2.5rem 0 0;
    padding: 1.5rem;
    border: 1px solid color-mix(in srgb, var(--accent-primary) 45%, var(--border-color));
    border-radius: 1rem;
    background: color-mix(in srgb, var(--accent-primary) 9%, var(--surface-1));
    text-align: center;
}

.article-conversion-cta h3 {
    margin-top: 0;
}

.article-conversion-cta p {
    margin-bottom: 1.25rem;
}

.article-conversion-cta .article-cta-link {
    display: inline-flex;
    padding: 0.8rem 1.25rem;
    border-radius: 999px;
    background: var(--accent-primary);
    color: #fff;
    font-weight: 700;
    text-decoration: none;
}

.article-bibliography {
    font-size: 0.92rem;
    color: var(--text-secondary);
    margin-top: 1rem;
    padding-left: 1.35rem;
}

.article-bibliography a {
    color: var(--text-secondary);
    text-decoration: underline;
    text-decoration-color: color-mix(in srgb, var(--accent-primary) 45%, transparent);
    text-underline-offset: 3px;
}

.article-bibliography a:hover {
    color: var(--accent-primary);
}

.clinical-disclaimer {
    margin-top: 2.5rem;
    padding: 1.25rem;
    border-left: 4px solid var(--accent-primary);
    border-radius: 0 8px 8px 0;
    background: color-mix(in srgb, var(--accent-primary) 8%, var(--surface-1));
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.article-body-content blockquote {
    border-left: 4px solid var(--accent-primary);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--text-primary);
    background: rgba(212, 160, 23, 0.03);
    border-radius: 0 8px 8px 0;
    padding: 1.25rem 1.5rem;
}

[data-theme="light"] .article-body-content blockquote {
    background: rgba(124, 58, 237, 0.03);
}

.article-body-content blockquote p {
    margin-bottom: 0;
}

.article-key-insights {
    background: rgba(212, 160, 23, 0.05);
    border: 1px solid var(--border-highlight);
    border-radius: 16px;
    padding: 1.5rem;
    margin: 2.5rem 0;
}

[data-theme="light"] .article-key-insights {
    background: rgba(124, 58, 237, 0.04);
}

.insights-title {
    font-weight: 700;
    font-size: 1rem;
    color: var(--accent-primary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Article footer share & tags */
.article-footer {
    margin-top: 3.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.article-share-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.share-buttons {
    display: flex;
    gap: 0.5rem;
}

.share-btn {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

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

/* FAQ Section Styles (Task 9 CSP Compliance) */
.faq-section {
    margin-top: 3.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--border-color);
}
.faq-section h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0;
}
.faq-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.faq-details {
    background: var(--surface-1);
    border: 1px solid var(--border-color);
    padding: 1.25rem;
    border-radius: 1rem;
    cursor: pointer;
    transition: all 0.2s;
}
.faq-summary {
    font-weight: 600;
    font-size: 0.98rem;
    color: var(--text-primary);
    outline: none;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq-summary-arrow {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    transition: transform 0.2s;
}
.faq-details[open] .faq-summary-arrow {
    transform: rotate(180deg);
}
.faq-answer {
    margin: 0.75rem 0 0 0;
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
    cursor: default;
}

/* Recommended/Popular Sidebar and Related Posts CSP Compliance */
.popular-post-item {
    text-decoration: none;
    display: flex;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    transition: transform 0.2s;
}
.popular-post-item:hover {
    transform: translateX(4px);
}
.popular-post-num {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--accent-primary);
    width: 1.5rem;
    text-align: center;
}
.popular-post-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.popular-post-info h4 {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.45;
}
.popular-post-info span {
    font-size: 0.72rem;
    color: var(--text-tertiary);
}
.related-article-card {
    text-decoration: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    background: var(--surface-1);
    border: 1px solid var(--border-color);
    padding: 1.25rem;
    border-radius: 1rem;
    transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.related-article-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-highlight);
    box-shadow: var(--shadow-hover);
}
.related-article-card span.related-category {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.related-article-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.45;
}
.related-article-card span.related-date {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: auto;
}
.no-related-articles {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    grid-column: 1 / -1;
    text-align: center;
    margin: 1rem 0;
}