/* Styles partagés pour les guides et articles */
body {
    background-color: #f7f8fb;
    position: relative;
    padding-top: 80px;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: url('https://www.yanndanneelscoignard.fr/fondecran.png?v=20260127c') center/cover no-repeat;
    z-index: -1;
    opacity: 0.3;
}

.guide-container,
.article-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 3rem 2rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    margin-bottom: 3rem;
}

.guide-header,
.article-header {
    text-align: center;
    margin-bottom: 4rem;
    padding-bottom: 2.5rem;
    border-bottom: 3px solid var(--secondary-color);
    position: relative;
}

.guide-header::after,
.article-header::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
}

.guide-header h1,
.article-header h1 {
    color: var(--primary-color);
    font-size: 2.8rem;
    margin-bottom: 1rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.guide-header .subtitle,
.article-header .subtitle {
    color: #666;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.guide-header .author,
.article-meta {
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 1rem;
}

/* Sections pour guides */
.section,
.kpi-item {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    padding: 2.5rem;
    margin-bottom: 2.5rem;
    border-radius: 16px;
    border-left: 5px solid var(--secondary-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.section::before,
.kpi-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(180deg, var(--secondary-color), var(--accent-color));
}

.section:hover,
.kpi-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.section h2,
.kpi-item h2 {
    color: var(--primary-color);
    font-size: 1.6rem;
    margin-bottom: 1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.section-number,
.kpi-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: white;
    border-radius: 50%;
    font-weight: 800;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.section h3,
.kpi-item h3 {
    color: var(--secondary-color);
    font-size: 1.25rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section h3::before,
.kpi-item h3::before {
    content: '▸';
    color: var(--accent-color);
    font-size: 1rem;
}

.section ul,
.section ol,
.kpi-item ul,
.kpi-item ol {
    padding-left: 1.5rem;
    line-height: 1.9;
}

.section li,
.kpi-item li {
    margin-bottom: 0.75rem;
    position: relative;
}

.section li::marker,
.kpi-item li::marker {
    color: var(--secondary-color);
    font-weight: bold;
}

.section strong,
.kpi-item strong {
    color: var(--primary-color);
}

/* Contenu des articles */
.article-content {
    line-height: 1.9;
    font-size: 1.05rem;
    color: var(--text-color);
}

.article-content h2 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e0e0e0;
}

.article-content h3 {
    color: var(--secondary-color);
    font-size: 1.4rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.article-content p {
    margin-bottom: 1.25rem;
    line-height: 1.9;
}

.article-content ul,
.article-content ol {
    padding-left: 1.5rem;
    margin: 1.5rem 0;
    line-height: 1.9;
}

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

.highlight-box {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1), rgba(231, 76, 60, 0.1));
    border-left: 4px solid var(--secondary-color);
    padding: 2rem;
    margin: 2.5rem 0;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.highlight-box h3 {
    color: var(--secondary-color);
    margin-top: 0;
    margin-bottom: 1rem;
}

.error-box {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.1), rgba(231, 76, 60, 0.05));
    border-left: 4px solid var(--accent-color);
    padding: 2rem;
    margin: 2.5rem 0;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.error-box h3 {
    color: var(--accent-color);
    margin-top: 0;
    margin-bottom: 1rem;
}

.solution-box {
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.1), rgba(46, 204, 113, 0.05));
    border-left: 4px solid #2ecc71;
    padding: 2rem;
    margin: 1.5rem 0;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.solution-box h3 {
    color: #2ecc71;
    margin-top: 0;
    margin-bottom: 1rem;
}

.use-case-box {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1), rgba(52, 152, 219, 0.05));
    border-left: 4px solid var(--secondary-color);
    padding: 2rem;
    margin: 2.5rem 0;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.use-case-box h3 {
    color: var(--secondary-color);
    margin-top: 0;
    margin-bottom: 1rem;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2.5rem 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    overflow: hidden;
}

.comparison-table th,
.comparison-table td {
    padding: 1.25rem;
    text-align: left;
    border: 1px solid #e0e0e0;
}

.comparison-table th {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-weight: 600;
}

.comparison-table tr:nth-child(even) {
    background: #f8f9fa;
}

.comparison-table tr:hover {
    background: #e3f2fd;
}

.code-block {
    background: #2c3e50;
    color: #ecf0f1;
    padding: 1.5rem;
    border-radius: 12px;
    overflow-x: auto;
    margin: 1.5rem 0;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    line-height: 1.6;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.code-block code {
    color: #ecf0f1;
}

.download-section,
.back-link {
    text-align: center;
    margin-top: 4rem;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1), rgba(231, 76, 60, 0.1));
    border-radius: 16px;
    border: 2px solid rgba(52, 152, 219, 0.2);
}

.download-btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    margin-top: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
}

.back-link {
    background: transparent;
    border: none;
    padding: 2rem 0;
    margin-top: 3rem;
    border-top: 2px solid #e0e0e0;
}

.back-link a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.back-link a:hover {
    color: var(--accent-color);
}

@media (max-width: 768px) {
    .guide-container,
    .article-container {
        padding: 2rem 1.5rem;
        margin: 1rem;
        border-radius: 16px;
    }
    
    .guide-header h1,
    .article-header h1 {
        font-size: 2rem;
    }
    
    .section,
    .kpi-item {
        padding: 1.5rem;
    }
    
    .section h2,
    .kpi-item h2 {
        font-size: 1.3rem;
    }
    
    .article-content h2 {
        font-size: 1.6rem;
    }
    
    .comparison-table {
        font-size: 0.9rem;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 0.75rem;
    }
}

@media print {
    body { padding: 0; background: white; }
    .download-section, .back-link { display: none; }
    header { display: none; }
    .guide-container, .article-container { box-shadow: none; }
}