/* Éléments manquants du blog */

/* Platform tags */
.esp32, .arduino, .electrical {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 500;
}

.esp32 {
    background: #e74c3c;
    color: white;
}

.arduino {
    background: #00979d;
    color: white;
}

.electrical {
    background: #f39c12;
    color: white;
}

/* Difficulty levels */
.difficulty {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
}

.difficulty-beginner {
    background: #d4edda;
    color: #155724;
}

.difficulty-intermediate {
    background: #fff3cd;
    color: #856404;
}

.difficulty-advanced {
    background: #f8d7da;
    color: #721c24;
}

/* Application examples */
.app-example,
.application-examples {
    background: #f8f9fa;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 8px;
    border: 1px solid #dee2e6;
}

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

/* Learning & Guide components */
.learning-card,
.guide-content {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.expert-quote {
    border-left: 4px solid #3498db;
    padding: 1rem 1.5rem;
    background: #f8f9fa;
    font-style: italic;
    margin: 1.5rem 0;
}

/* GitHub integration */
.github-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #24292e;
    color: white;
    border-radius: 8px;
    text-decoration: none;
    transition: transform 0.2s ease;
}

.github-card:hover {
    transform: translateY(-2px);
}

/* CTA Box */
.cta-box {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    margin: 2rem 0;
}

.cta-box h3 {
    margin-bottom: 1rem;
}

.cta-box .btn {
    background: white;
    color: #667eea;
}