:root {
  /* Couleurs */
  --primary-color: #1F3B73;
  --secondary-color: #F5F7FA;
  --accent-color: #00B8D9;
  --text-color: #333E48;
  --success-color: #4CAF50;
  --error-color: #E53935;
  --warning-color: #FF9800;
  --border-color: #E0E0E0;
  --shadow-color: rgba(31, 59, 115, 0.1);

  /* Espacements */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-base: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;

  /* Tailles de police */
  --font-xs: 12px;
  --font-sm: 14px;
  --font-base: 16px;
  --font-lg: 18px;
  --font-xl: 24px;
  --font-2xl: 32px;
  --font-3xl: 48px;

  /* Bordures */
  --radius-sm: 4px;
  --radius-base: 8px;
  --radius-lg: 12px;
  --radius-full: 999px;

  /* Ombres */
  --shadow-sm: 0 2px 4px var(--shadow-color);
  --shadow-md: 0 4px 12px var(--shadow-color);
  --shadow-lg: 0 8px 24px var(--shadow-color);

  /* Transitions */
  --transition: all 0.3s ease;
}

/* Reset et base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-color);
  background-color: #ffffff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-base);
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: var(--primary-color);
}

.form-group {
  margin-bottom: var(--spacing-base);
}

.search-input-group {
    position: relative;
    max-width: 500px;
    margin: 0 auto;
}
.search-input-group input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    padding-right: 50px;
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    font-size: var(--font-base);
}
.search-input-group input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 184, 217, 0.2);
}
.search-input-group button {
    position: absolute;
    right: 5px;
    top: 5px;
    bottom: 5px;
    width: 40px;
    border: none;
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
}
.search-input-group button:hover {
    background: var(--accent-color);
}

.newsletter-form input {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-base);
  margin-bottom: var(--spacing-sm);
}


/* --- Mise en page générale --- */
.blog-page, .blog-post-page {
    background-color: var(--secondary-color);
}

.blog-layout, .post-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--spacing-2xl);
    align-items: flex-start;
}

.blog-main, .post-main {
    min-width: 0;
}


/* Carte d'article */
.post-card, .related-post-card, .featured-post {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.post-card:hover, .featured-post:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.post-image img {
    width: 100%;
    display: block;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.post-card:hover .post-image img, .featured-post:hover .post-image img {
    transform: scale(1.05);
}

.post-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-base);
    font-size: var(--font-xs);
    color: var(--text-color);
    opacity: 0.8;
    margin-bottom: var(--spacing-md);
}
.post-meta span, .post-meta a {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: inherit;
}

.post-content h3 {
    font-size: var(--font-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}
.post-content h3 a {
    color: var(--primary-color);
}
.post-content h3 a:hover {
    color: var(--accent-color);
}

.post-content p {
    font-size: var(--font-sm);
    color: var(--text-color);
    opacity: 0.8;
    line-height: 1.6;
    flex-grow: 1;
}

.tag, .tag-link {
    background: var(--secondary-color);
    color: var(--text-color);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-xs);
    font-weight: 500;
    transition: var(--transition);
}
.tag:hover, .tag-link:hover {
    background: var(--primary-color);
    color: white;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-lg);
    font-weight: 600;
    color: var(--accent-color);
}
.read-more:hover {
    color: var(--primary-color);
    gap: var(--spacing-sm);
}

/* Sidebar */
.blog-sidebar, .post-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}
.sidebar-widget {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}
.sidebar-widget h3 {
    font-size: var(--font-lg);
    color: var(--primary-color);
    margin-bottom: var(--spacing-base);
    padding-bottom: var(--spacing-base);
    border-bottom: 1px solid var(--border-color);
}

/* --- Page Listing du Blog (blog.php) --- */
.blog-hero {
    padding: var(--spacing-2xl) 0;
    background: var(--primary-color);
    color: white;
    text-align: center;
}
.blog-hero h1 { font-size: var(--font-3xl); color: white; }
.blog-hero p { font-size: var(--font-lg); opacity: 0.9; max-width: 700px; margin: 0 auto var(--spacing-xl) auto; }
.search-results-info { margin-top: var(--spacing-base); }
.clear-search { color: white; opacity: 0.8; }

.featured-posts { padding: var(--spacing-2xl) 0; }
.featured-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--spacing-xl); }

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-2xl);
}
.pagination a, .pagination span {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-base);
    min-width: 40px;
    text-align: center;
}
.pagination a { background: white; color: var(--text-color); }
.pagination a:hover { background: var(--secondary-color); }
.pagination span.active { background: var(--primary-color); color: white; font-weight: bold; }

.tags-cloud { display: flex; flex-wrap: wrap; gap: var(--spacing-sm); }
.archive-list { list-style: none; padding-left: 0; }
.archive-list a { display: flex; justify-content: space-between; padding: var(--spacing-sm) 0; border-bottom: 1px solid var(--border-color); }

.no-posts { text-align: center; padding: var(--spacing-2xl); background: white; border-radius: var(--radius-lg); }

/* --- Page d'Article de Blog (blog-post.php) --- */
.reading-progress { position: fixed; top: 0; left: 0; width: 100%; height: 4px; z-index: 1001; }
.progress-fill { width: 0%; height: 100%; background: var(--accent-color); transition: width 0.1s linear; }

.post-header { padding: var(--spacing-xl) 0; background: white; }
.breadcrumb { font-size: var(--font-sm); margin-bottom: var(--spacing-lg); }
.post-header .post-meta { justify-content: space-between; }
.meta-left, .meta-right { display: flex; align-items: center; gap: var(--spacing-base); }
.social-share { display: flex; align-items: center; gap: var(--spacing-xs); }
.share-btn { width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: var(--secondary-color); color: var(--text-color); border: none; cursor: pointer; }
.post-title { font-size: var(--font-3xl); margin: var(--spacing-lg) 0; }
.post-excerpt { font-size: var(--font-lg); opacity: 0.8; }
.post-featured-image img { border-radius: var(--radius-lg); }

.post-content-wrapper { padding: var(--spacing-2xl) 0; }
.post-content { font-size: var(--font-base); line-height: 1.7; }
.post-content h2, .post-content h3, .post-content h4 { color: var(--primary-color); margin-top: 2em; margin-bottom: 1em; }
.post-content h2 { font-size: var(--font-2xl); }
.post-content h3 { font-size: var(--font-xl); }
.post-content p { margin-bottom: 1.5em; }
.post-content ul, .post-content ol { padding-left: 2em; margin-bottom: 1.5em; }
.post-content blockquote { border-left: 4px solid var(--primary-color); padding-left: 1.5em; margin: 2em 0; font-style: italic; }
.post-tags .tags-list { display: flex; flex-wrap: wrap; gap: var(--spacing-sm); }


.post-share-bottom, .post-author-bio, .post-navigation {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-xl);
}
.post-author-bio { display: flex; gap: var(--spacing-lg); align-items: center; background: var(--secondary-color); padding: var(--spacing-lg); border-radius: var(--radius-lg); }
.author-avatar { font-size: var(--font-2xl); width: 60px; height: 60px; flex-shrink: 0; background: var(--primary-color); color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.post-navigation .nav-links { display: flex; justify-content: space-between; gap: var(--spacing-lg); }

.sidebar-sticky { position: sticky; top: 120px; }
.table-of-contents ul { list-style: none; padding-left: 0; }
.table-of-contents li a { display: block; padding: var(--spacing-xs) 0; }
.toc-h3 { padding-left: var(--spacing-base); }

.related-posts { padding: var(--spacing-2xl) 0; background: white; }
.related-posts-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--spacing-xl); }
.blog-cta { padding: var(--spacing-2xl); text-align: center; }

/* === 4. DÉFINITIONS DES ICÔNES === */
[class^="icon-"], [class*=" icon-"] {
  font-family: 'FontAwesome'; /* Assurez-vous d'importer FontAwesome ou une autre librairie d'icônes */
  font-style: normal;
  font-weight: normal;
  display: inline-block;
  text-decoration: inherit;
  width: 1em;
  text-align: center;
}
.icon-user::before { content: '👤'; }
.icon-calendar::before { content: '📅'; }
.icon-eye::before { content: '👁️'; }
.icon-clock::before { content: '🕒'; }
.icon-search::before { content: '🔍'; }
.icon-close::before { content: '❌'; }
.icon-arrow-right::before { content: '→'; }
.icon-arrow-left::before { content: '←'; }
.icon-facebook::before { content: 'FB'; } 
.icon-twitter::before { content: 'TW'; }
.icon-linkedin::before { content: 'IN'; }
.icon-whatsapp::before { content: 'WA'; }
.icon-link::before { content: '🔗'; }
.icon-check::before { content: '✓'; }

/* === 5. RESPONSIVE === */
@media (max-width: 992px) {
    .blog-layout, .post-layout {
        grid-template-columns: 1fr;
    }
    .blog-sidebar, .post-sidebar {
        margin-top: var(--spacing-2xl);
    }
}
@media (max-width: 768px) {
    .post-header .post-meta {
        flex-direction: column;
        align-items: flex-start;
    }
    .post-title {
        font-size: var(--font-2xl);
    }
    .posts-grid {
        grid-template-columns: 1fr;
    }
    .pagination {
        flex-wrap: wrap;
    }
}