/* ===========================================
   BLOG.CSS - Styles pour le blog AzenFlow
   VERSION 4 : Fonds opaques forcés
   =========================================== */

/* ============================================
   BLOG HERO SECTION
   ============================================ */

.blog-hero {
    padding: 8rem 2rem 4rem;
    text-align: center;
    position: relative;
}

.blog-hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    background: #1e293b;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

[data-theme="light"] .blog-hero-content {
    background: #ffffff;
}

.blog-hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-turquoise));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.blog-hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 650px;
    margin: 0 auto;
}

/* ============================================
   BLOG FILTERS
   ============================================ */

.blog-filters-section {
    padding: 0 2rem 2rem;
}

.blog-filters-container {
    max-width: 1200px;
    margin: 0 auto;
}

.blog-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    padding: 1.5rem;
    background: #1e293b;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

[data-theme="light"] .blog-filters {
    background: #ffffff;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--border-color);
    background: #334155;
    color: var(--text-secondary);
    border-radius: 50px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s ease;
    font-family: inherit;
}

[data-theme="light"] .filter-btn {
    background: #f1f5f9;
}

.filter-btn:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    background: rgba(99, 102, 241, 0.15);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-turquoise));
    color: white;
    border-color: transparent;
}

/* ============================================
   BLOG GRID
   ============================================ */

.blog-grid-section {
    padding: 2rem;
}

.blog-grid-container {
    max-width: 1200px;
    margin: 0 auto;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

/* ============================================
   BLOG CARDS - FONDS OPAQUES
   ============================================ */

.blog-card {
    background: #1e293b;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

[data-theme="light"] .blog-card {
    background: #ffffff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
    border-color: var(--accent-blue);
}

[data-theme="light"] .blog-card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.blog-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
    padding: 1.75rem;
}

/* Header de la carte avec icône et catégorie */
.blog-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
}

.blog-card-icon {
    font-size: 2.5rem;
    line-height: 1;
}

.blog-card-category {
    padding: 0.4rem 0.9rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-turquoise));
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.blog-card-content {
    /* Pas de padding supplémentaire, déjà géré par .blog-card-link */
}

.blog-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-excerpt {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.blog-card-reading-time {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.blog-card-reading-time::before {
    content: "⏱️";
    font-size: 0.9rem;
}

/* ============================================
   COMING SOON MESSAGE
   ============================================ */

.blog-coming-soon {
    margin-top: 3rem;
    padding: 3rem;
    background: #1e293b;
    border: 2px dashed var(--border-color);
    border-radius: 16px;
    text-align: center;
}

[data-theme="light"] .blog-coming-soon {
    background: #ffffff;
}

.coming-soon-content {
    max-width: 600px;
    margin: 0 auto;
}

.coming-soon-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

.blog-coming-soon h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.blog-coming-soon p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   BLOG CTA SECTION
   ============================================ */

.blog-cta-section {
    padding: 4rem 2rem;
}

.blog-cta-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 3rem;
    background: #1e293b;
    border-radius: 24px;
    border: 1px solid var(--border-color);
}

[data-theme="light"] .blog-cta-container {
    background: #ffffff;
}

.blog-cta-container h2 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.blog-cta-container > p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.blog-cta-container .cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.blog-cta-container .cta-details {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ============================================
   ARTICLE PAGE STYLES
   ============================================ */

.article-main {
    padding-top: 6rem;
}

.article-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

/* Article Header */
.article-header {
    margin-bottom: 3rem;
    text-align: center;
    padding: 2rem;
    background: #1e293b;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

[data-theme="light"] .article-header {
    background: #ffffff;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    margin-bottom: 1.5rem;
}

.article-category {
    padding: 0.4rem 1rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-turquoise));
    color: white;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-date,
.article-reading-time {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.article-header h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.article-intro {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 700px;
    margin: 0 auto;
}

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

/* Table of Contents */
.article-toc {
    background: #1e293b;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem 2rem;
    margin-bottom: 3rem;
}

[data-theme="light"] .article-toc {
    background: #ffffff;
}

.article-toc h2 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-toc h2::before {
    content: "📑";
}

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

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

.article-toc a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-toc a::before {
    content: "→";
    color: var(--accent-blue);
}

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

/* TLDR Box */
.article-tldr {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(168, 85, 247, 0.15));
    border: 1px solid var(--accent-blue);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 3rem;
}

.article-tldr h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-tldr ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.article-tldr li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    line-height: 1.5;
}

.article-tldr li::before {
    content: "✓";
    color: var(--accent-blue);
    font-weight: bold;
    flex-shrink: 0;
}

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

/* Article Content */
.article-content {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1.05rem;
    padding: 2rem;
    background: #1e293b;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

[data-theme="light"] .article-content {
    background: #ffffff;
}

.article-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 3rem 0 1.5rem;
    padding-top: 1rem;
}

.article-content h2:first-child {
    margin-top: 0;
}

.article-content h3 {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 2rem 0 1rem;
}

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

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

.article-content a {
    color: var(--accent-blue);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.article-content a:hover {
    text-decoration: none;
}

.article-content ul,
.article-content ol {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

.article-content li {
    margin-bottom: 0.75rem;
}

.article-content blockquote {
    margin: 2rem 0;
    padding: 1.5rem 2rem;
    background: #334155;
    border-left: 4px solid var(--accent-blue);
    border-radius: 0 12px 12px 0;
    font-style: italic;
    color: var(--text-primary);
}

[data-theme="light"] .article-content blockquote {
    background: #f1f5f9;
}

.article-content code {
    background: #334155;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.9em;
    font-family: 'Monaco', 'Consolas', monospace;
}

[data-theme="light"] .article-content code {
    background: #f1f5f9;
}

.article-content pre {
    background: #0f172a;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    overflow-x: auto;
    margin: 2rem 0;
}

[data-theme="light"] .article-content pre {
    background: #f1f5f9;
}

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

/* Article FAQ Section */
.article-faq {
    margin: 3rem 0;
    padding: 2rem;
    background: #1e293b;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

[data-theme="light"] .article-faq {
    background: #ffffff;
}

.article-faq h2 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.article-faq-item {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.article-faq-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.article-faq-item h3 {
    font-size: 1.1rem;
    margin: 0 0 0.75rem 0;
    color: var(--text-primary);
}

.article-faq-item p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Article CTA Box */
.article-cta {
    margin: 3rem 0;
    padding: 2.5rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-turquoise));
    border-radius: 20px;
    text-align: center;
    color: white;
}

.article-cta h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: white;
}

.article-cta p {
    margin-bottom: 1.5rem;
    opacity: 0.95;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    color: white;
}

.article-cta .cta-button {
    background: white;
    color: var(--accent-blue);
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.article-cta .cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    background: white;
    color: var(--accent-blue);
}

/* Article Author Box */
.article-author {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    padding: 2rem;
    background: #1e293b;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    margin: 3rem 0;
}

[data-theme="light"] .article-author {
    background: #ffffff;
}

.article-author-icon {
    font-size: 3rem;
    line-height: 1;
}

.article-author-info strong {
    display: block;
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.article-author-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
}

.article-last-updated {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

/* Related Articles */
.related-articles {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border-color);
}

.related-articles h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--text-primary);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* Breadcrumb */
.article-breadcrumb {
    padding: 1rem 0;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.article-breadcrumb a {
    color: var(--text-muted);
    text-decoration: none;
}

.article-breadcrumb a:hover {
    color: var(--accent-blue);
}

.article-breadcrumb span {
    color: var(--text-muted);
    margin: 0 0.5rem;
}

.article-breadcrumb .current {
    color: var(--text-secondary);
}

/* ============================================
   RESPONSIVE STYLES
   ============================================ */

@media (max-width: 768px) {
    .blog-hero {
        padding: 6rem 1.5rem 3rem;
    }

    .blog-hero-content {
        padding: 1.5rem;
    }

    .blog-hero-subtitle {
        font-size: 1.1rem;
    }

    .blog-filters {
        padding: 1rem;
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }

    .blog-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .blog-grid-section {
        padding: 1.5rem;
    }

    .blog-cta-container {
        padding: 2rem 1.5rem;
    }

    .article-container {
        padding: 1.5rem;
    }

    .article-header {
        padding: 1.5rem;
    }

    .article-header h1 {
        font-size: 1.75rem;
    }

    .article-intro {
        font-size: 1.05rem;
    }

    .article-content {
        font-size: 1rem;
        padding: 1.5rem;
    }

    .article-content h2 {
        font-size: 1.5rem;
    }

    .article-content h3 {
        font-size: 1.2rem;
    }

    .article-author {
        flex-direction: column;
        text-align: center;
    }

    .article-tldr {
        padding: 1.5rem;
    }

    .article-cta {
        padding: 2rem 1.5rem;
    }

    .article-faq {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .blog-hero h1 {
        font-size: 2rem;
    }

    .filter-btn {
        padding: 0.5rem 0.8rem;
        font-size: 0.8rem;
    }

    .blog-card-link {
        padding: 1.5rem;
    }

    .blog-card-title {
        font-size: 1.1rem;
    }

    .blog-card-excerpt {
        font-size: 0.9rem;
        -webkit-line-clamp: 2;
    }

    .blog-card-icon {
        font-size: 2rem;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */

.blog-card {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards;
}

.blog-card:nth-child(1) { animation-delay: 0.1s; }
.blog-card:nth-child(2) { animation-delay: 0.2s; }
.blog-card:nth-child(3) { animation-delay: 0.3s; }
.blog-card:nth-child(4) { animation-delay: 0.4s; }
.blog-card:nth-child(5) { animation-delay: 0.5s; }
.blog-card:nth-child(6) { animation-delay: 0.6s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hide filtered cards */
.blog-card.hidden {
    display: none;
}