/* ============================================
   PAGE FONCTIONNALITES - JUKEBOX-CAB
   ============================================
   Ces regles etaient dans un bloc <style> au milieu de fonctionnalites.php.
   Sorties ici pour etre partagees par le sommaire et les pages de categorie,
   et pour etre mises en cache par le navigateur.
   ============================================ */
        .features-page {
            min-height: 100vh;
            padding: 100px 0 50px;
        }
        
        .features-hero {
            text-align: center;
            margin-bottom: var(--spacing-xl);
            padding: var(--spacing-lg) 0;
            background: rgba(255, 255, 255, 0.02);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .features-hero h1 {
            font-size: 3rem;
            margin-bottom: var(--spacing-sm);
            background: linear-gradient(90deg, #fff, rgba(255,255,255,0.8));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .features-hero p {
            font-size: 1.25rem;
            color: var(--text-secondary);
            max-width: 700px;
            margin: 0 auto;
        }
        
        .features-toc {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            margin-bottom: var(--spacing-xl);
            position: sticky;
            top: 80px;
            z-index: 100;
        }
        
        .features-toc h3 {
            font-size: 1.25rem;
            margin-bottom: var(--spacing-sm);
            color: var(--accent-color);
        }
        
        .features-toc-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            list-style: none;
        }
        
        .features-toc-list li a {
            display: inline-block;
            padding: 0.5rem 1rem;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            color: var(--text-secondary);
            text-decoration: none;
            transition: all var(--transition-normal);
            font-size: 0.875rem;
        }
        
        .features-toc-list li a:hover {
            background: var(--accent-color);
            color: white;
            transform: translateY(-2px);
        }
        
        .feature-category {
            margin-bottom: var(--spacing-xl);
        }
        
        .category-header {
            background: linear-gradient(135deg, var(--accent-color), #2d5a8f);
            padding: var(--spacing-md);
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            margin-bottom: 0;
        }
        
        .category-header h2 {
            font-size: 2rem;
            margin: 0;
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        
        .category-icon {
            font-size: 2.5rem;
        }
        
        .category-content {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            border-top: none;
        }
        
        .feature-item {
            padding: var(--spacing-md);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        
        .feature-item:last-child {
            border-bottom: none;
        }
        
        .feature-header {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            margin-bottom: var(--spacing-sm);
        }
        
        .feature-icon {
            font-size: 2rem;
            flex-shrink: 0;
        }
        
        .feature-title {
            flex: 1;
        }
        
        .feature-title h3 {
            font-size: 1.5rem;
            margin-bottom: 0.25rem;
            color: var(--accent-color);
        }
        
        .feature-subtitle {
            color: var(--text-secondary);
            font-size: 0.875rem;
            font-style: italic;
        }
        
        .feature-details {
            margin-top: var(--spacing-sm);
            color: var(--text-secondary);
            line-height: 1.7;
        }
        
        .feature-benefits,
        .feature-modes,
        .feature-parameters {
            margin-top: var(--spacing-md);
        }
        
        .feature-benefits h4,
        .feature-modes h4,
        .feature-parameters h4 {
            font-size: 1.125rem;
            color: var(--accent-color);
            margin-bottom: 0.75rem;
        }
        
        .benefits-list,
        .modes-list {
            list-style: none;
            padding: 0;
        }
        
        .benefits-list li,
        .modes-list li {
            padding: 0.5rem 0 0.5rem 1.5rem;
            position: relative;
            color: var(--text-secondary);
        }
        
        .benefits-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #4caf50;
            font-weight: bold;
        }
        
        .mode-card {
            background: rgba(255, 255, 255, 0.03);
            padding: var(--spacing-sm);
            border-radius: var(--radius-sm);
            margin-bottom: var(--spacing-sm);
            border-left: 3px solid var(--accent-color);
        }
        
        .mode-card h5 {
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 0.25rem;
        }
        
        .mode-card .badge {
            display: inline-block;
            padding: 0.25rem 0.5rem;
            background: var(--accent-color);
            border-radius: 12px;
            font-size: 0.75rem;
            margin-left: 0.5rem;
        }
        
        .parameter-item {
            background: rgba(255, 255, 255, 0.03);
            padding: var(--spacing-sm);
            border-radius: var(--radius-sm);
            margin-bottom: var(--spacing-sm);
        }
        
        .parameter-name {
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.25rem;
        }
        
        .parameter-range {
            font-size: 0.875rem;
            color: var(--accent-color);
        }
        
        .info-box {
            background: rgba(74, 144, 226, 0.1);
            border-left: 3px solid var(--accent-color);
            padding: var(--spacing-sm);
            border-radius: 5px;
            margin: var(--spacing-sm) 0;
        }
        
        .info-box.warning {
            background: rgba(255, 152, 0, 0.1);
            border-left-color: #ff9800;
        }
        
        .info-box.tip {
            background: rgba(76, 175, 80, 0.1);
            border-left-color: #4caf50;
        }
        
        .back-link {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--accent-color);
            text-decoration: none;
            margin-bottom: 2rem;
            transition: all 0.3s ease;
        }
        
        .back-link:hover {
            color: var(--accent-hover);
            transform: translateX(-5px);
        }

/* ============================================
   SOMMAIRE DES CATEGORIES (nouveau)
   ============================================ */
.features-hero {
    padding: 9rem 0 3rem;
    text-align: center;
    background: linear-gradient(160deg, var(--primary-gradient-start), var(--primary-gradient-end));
}

.features-hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 0.5rem;
}

.features-sous-titre {
    color: var(--text-secondary);
    font-size: 1.15rem;
}

.features-intro {
    color: var(--text-muted);
    max-width: 44rem;
    margin: 1rem auto 0;
}

.fil-ariane {
    margin-bottom: 1rem;
    font-size: 0.92rem;
    color: var(--text-muted);
}

.fil-ariane a {
    color: var(--accent-color);
    text-decoration: none;
}

.fil-ariane a:hover { text-decoration: underline; }
.fil-ariane span { margin: 0 0.4rem; }

.categories-grille {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.categorie-carte {
    display: flex;
    flex-direction: column;
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    overflow: hidden;
    color: inherit;
    text-decoration: none;
    transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.categorie-carte:hover {
    transform: translateY(-4px);
    background: var(--card-hover);
    border-color: var(--accent-color);
}

.categorie-apercu {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--dark-bg);
}

.categorie-apercu img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    display: block;
}

.categorie-corps { padding: 1.3rem; flex: 1; display: flex; flex-direction: column; }

.categorie-corps h2 {
    font-size: 1.2rem;
    margin: 0 0 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.categorie-liste {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem;
    flex: 1;
}

.categorie-liste li {
    color: var(--text-muted);
    font-size: 0.9rem;
    padding: 0.18rem 0 0.18rem 1rem;
    position: relative;
}

.categorie-liste li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.categorie-liste .categorie-reste { font-style: italic; opacity: 0.75; }
.categorie-liste .categorie-reste::before { content: ""; }

.categorie-compte {
    font-size: 0.82rem;
    color: var(--accent-color);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 0.7rem;
}

.categories-annexes {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

.annexe-lien {
    padding: 0.7rem 1.4rem;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 999px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: border-color 0.2s ease, color 0.2s ease;
}

.annexe-lien:hover { border-color: var(--accent-color); color: var(--text-primary); }

.categories-navigation {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Capture illustrant une fonctionnalite */
.feature-capture { margin: 1.2rem 0 0; }

.feature-capture img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 14px 32px rgba(0, 0, 0, 0.4);
}

@media (max-width: 900px) {
    .features-hero { padding: 7rem 0 2.5rem; }
}