/**
 * QCM Catalog Styles - Premium SaaS Design v5.0
 * 
 * Styles pour les hubs QCM, pages niveau, pages matière
 * Intégré avec design tokens de mobile-premium.css
 * 
 * @package CampusQCM
 * @version 5.0.0
 */

/* ==========================================
   VARIABLES — Alignées sur design tokens (Règle #8)
   
   Hiérarchie texte :
   - text: 100% (titres, important)
   - text-secondary: 70% (corps)
   - text-muted: 50% (meta, labels)
========================================== */
:root {
    /* Couleurs d'accent */
    --qcm-hub-primary: var(--accent-primary, #6366f1);
    --qcm-hub-primary-dark: var(--accent-primary-hover, #4f46e5);
    --qcm-hub-l1: #3b82f6;
    --qcm-hub-l2: #10b981;
    --qcm-hub-l3: #f59e0b;
    
    /* Surfaces */
    --qcm-hub-surface: var(--cq-card-bg, #ffffff);
    --qcm-hub-bg: var(--cq-bg-alt, #f8fafc);
    --qcm-hub-border: var(--border-default, #e2e8f0);
    
    /* Texte - 3 niveaux de contraste */
    --qcm-hub-text: var(--text-primary, #1e293b);           /* 100% - Titres */
    --qcm-hub-text-secondary: var(--text-secondary, #475569); /* 70% - Corps */
    --qcm-hub-text-muted: var(--text-muted, #94a3b8);        /* 50% - Meta */
    
    /* Radius et ombres */
    --qcm-hub-radius: var(--radius-lg, 16px);
    --qcm-hub-radius-sm: var(--radius-sm, 8px);
    --qcm-hub-shadow: var(--shadow-md, 0 4px 8px rgba(0,0,0,0.06), 0 2px 4px rgba(0,0,0,0.04));
    --qcm-hub-shadow-lg: var(--shadow-xl, 0 16px 32px rgba(0,0,0,0.10), 0 8px 16px rgba(0,0,0,0.06));
}

html[data-theme="dark"],
[data-theme="dark"],
body.qcm-dark {
    --qcm-hub-surface: var(--cq-card-bg, #1e293b);
    --qcm-hub-bg: var(--cq-bg, #0f172a);
    --qcm-hub-border: var(--border-default, #334155);
    
    /* Texte dark mode - Contraste inversé */
    --qcm-hub-text: var(--text-primary, #f8fafc);            /* 100% */
    --qcm-hub-text-secondary: var(--text-secondary, #cbd5e1); /* 70% */
    --qcm-hub-text-muted: var(--text-muted, #64748b);        /* 50% */
}

/* ==========================================
   BREADCRUMB
========================================== */
.cq-breadcrumb {
    padding: 1rem 0;
    margin-bottom: 1rem;
}

.cq-breadcrumb__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.875rem;
}

.cq-breadcrumb__item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cq-breadcrumb__link {
    color: var(--qcm-hub-text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.cq-breadcrumb__link:hover {
    color: var(--qcm-hub-primary);
    text-decoration: underline;
}

.cq-breadcrumb__current {
    color: var(--qcm-hub-text);
    font-weight: 500;
}

.cq-breadcrumb__separator {
    color: var(--qcm-hub-text-muted);
    font-size: 0.75rem;
}

/* ==========================================
   PAGE LAYOUT
========================================== */
.qcm-hub-page {
    background: var(--cq-bg-alt, #f8fafc);
    min-height: 100vh;
    padding-bottom: 4rem;
}

.qcm-hub-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ==========================================
   HERO SECTION
========================================== */
.qcm-hub-hero {
    /* Utilise la palette de couleurs globale */
    background: var(--cq-hero-gradient, linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%));
    padding: var(--cq-hero-padding-top, 80px) var(--cq-hero-padding-x, 40px) var(--cq-hero-padding-bottom, 60px);
    border-radius: var(--cq-hero-radius, 24px);
    margin: 0 auto var(--cq-hero-margin-bottom, 48px);
    max-width: 1200px;
    color: var(--cq-hero-text, white);
    text-align: center;
    box-shadow: var(--cq-hero-shadow, 0 20px 60px rgba(99, 102, 241, 0.25));
    position: relative;
    overflow: hidden;
}

/* Variantes de niveau - liées à la palette */
.qcm-hub-hero--l1 {
    --cq-hero-gradient: var(--cq-hero-gradient-blue, linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%));
    --cq-hero-shadow: var(--cq-hero-shadow-blue, 0 20px 60px rgba(59, 130, 246, 0.25));
}

.qcm-hub-hero--l2 {
    --cq-hero-gradient: var(--cq-hero-gradient-green, linear-gradient(135deg, #10b981 0%, #059669 100%));
    --cq-hero-shadow: var(--cq-hero-shadow-green, 0 20px 60px rgba(16, 185, 129, 0.25));
}

.qcm-hub-hero--l3 {
    --cq-hero-gradient: var(--cq-hero-gradient-amber, linear-gradient(135deg, #f59e0b 0%, #d97706 100%));
    --cq-hero-shadow: var(--cq-hero-shadow-amber, 0 20px 60px rgba(245, 158, 11, 0.25));
}

/* Variante level dynamique */
.qcm-hub-hero--level {
    background: linear-gradient(135deg, var(--level-color, var(--cq-accent)) 0%, color-mix(in srgb, var(--level-color, var(--cq-accent)) 80%, #000) 100%);
}

/* Variante subject dynamique */
.qcm-hub-hero--subject {
    background: linear-gradient(135deg, var(--subject-color, var(--cq-accent)) 0%, color-mix(in srgb, var(--subject-color, var(--cq-accent)) 80%, #000) 100%);
}

.qcm-hub-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.2);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.qcm-hub-hero__title {
    font-family: var(--cq-font-heading), 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
    font-size: var(--cq-h1-size, clamp(2rem, 4vw, 2.75rem)) !important;
    font-weight: var(--cq-h1-weight, 800) !important;
    line-height: var(--cq-h1-lh, 1.15) !important;
    letter-spacing: var(--cq-heading-ls, -0.02em) !important;
    font-style: normal !important;
    margin: 0 0 1rem;
    color: var(--cq-hero-text, #ffffff) !important;
}

.qcm-hub-hero__subtitle {
    font-size: 1.125rem !important;
    line-height: 1.6 !important;
    max-width: 650px !important;
    margin: 0 auto !important;
    color: var(--cq-hero-text-soft, rgba(255, 255, 255, 0.95)) !important;
}

/* ==========================================
   SECTION
========================================== */
.qcm-hub-section {
    margin-bottom: 3rem;
}

.qcm-hub-section__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.qcm-hub-section__title {
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--qcm-hub-text);
    margin: 0 0 2.5rem;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.qcm-hub-section__title::before {
    content: '';
    width: 4px;
    height: 1.2em;
    background: linear-gradient(180deg, #6366f1 0%, #8b5cf6 100%);
    border-radius: 4px;
    flex-shrink: 0;
}

.qcm-hub-section__subtitle {
    color: var(--qcm-hub-text-secondary);
    margin: 0.75rem 0 0;
    font-size: 1.05rem;
    line-height: 1.6;
}

.qcm-hub-section__link {
    color: var(--qcm-hub-primary);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.5rem 1rem;
    background: rgba(99, 102, 241, 0.08);
    border-radius: 50px;
    transition: all 0.2s ease;
}

.qcm-hub-section__link:hover {
    background: rgba(99, 102, 241, 0.15);
    transform: translateX(2px);
}

/* ==========================================
   LEVEL CARDS (L1, L2, L3)
========================================== */
.qcm-levels-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

/* Grille harmonisée pour level cards */
.qcm-cards-grid--levels {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

@media (max-width: 900px) {
    .qcm-levels-grid,
    .qcm-cards-grid--levels {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .qcm-levels-grid,
    .qcm-cards-grid--levels {
        grid-template-columns: 1fr;
    }
}

.qcm-level-card {
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: 16px;
    padding: 1.75rem;
    text-decoration: none;
    color: inherit;
    transition: 
        transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        border-color 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    min-height: 220px;
    /* Ombres premium visibles */
    box-shadow: 
        0 1px 3px rgba(0, 0, 0, 0.06),
        0 4px 12px rgba(0, 0, 0, 0.06);
}

.qcm-level-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--card-color, #6366f1) 0%, rgba(139, 92, 246, 0.8) 100%);
    opacity: 1;
    transform-origin: left;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.qcm-level-card:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: 
        0 4px 8px rgba(0, 0, 0, 0.04),
        0 12px 32px -4px color-mix(in srgb, var(--card-color, #6366f1) 20%, transparent),
        0 0 0 1px color-mix(in srgb, var(--card-color, #6366f1) 15%, transparent);
    border-color: color-mix(in srgb, var(--card-color, #6366f1) 30%, transparent);
}

.qcm-level-card:hover::before {
    transform: scaleX(1.05);
}

.qcm-level-card:active {
    transform: translateY(-2px) scale(0.99);
}

.qcm-level-card--l1 { --card-color: var(--qcm-hub-l1); }
.qcm-level-card--l2 { --card-color: var(--qcm-hub-l2); }
.qcm-level-card--l3 { --card-color: var(--qcm-hub-l3); }

.qcm-level-card__icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: rgba(99, 102, 241, 0.08);
    border-radius: 14px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.qcm-level-card:hover .qcm-level-card__icon {
    background: rgba(99, 102, 241, 0.15);
    transform: scale(1.05);
}

.qcm-level-card__name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--qcm-hub-text);
    margin: 0 0 0.5rem;
}

.qcm-level-card__desc {
    color: var(--qcm-hub-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin: 0 0 1rem;
    flex-grow: 1;
}

.qcm-level-card__stats {
    display: flex;
    gap: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--qcm-hub-border);
    font-size: 0.875rem;
}

.qcm-level-card__stat {
    display: flex;
    flex-direction: column;
}

.qcm-level-card__stat-value {
    font-weight: 700;
    color: var(--card-color, var(--qcm-hub-primary));
    font-size: 1.25rem;
}

.qcm-level-card__stat-label {
    color: var(--qcm-hub-text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.qcm-level-card__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--card-color, var(--qcm-hub-primary));
    font-weight: 600;
    margin-top: 1rem;
}

/* Level card meta and badges */
.qcm-level-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: var(--qcm-hub-text-muted);
    margin-top: auto;
    padding-top: 1rem;
}

/* Level card context (parcours cliquable) */
.qcm-level-card__context {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    color: var(--qcm-hub-text-muted);
    margin: 0.25rem 0 0.5rem;
}

.qcm-level-card__context-link {
    color: var(--qcm-hub-text-muted);
    cursor: inherit;
    text-decoration: none;
    pointer-events: none;
}

.qcm-level-card__context-link:hover {
    color: var(--qcm-hub-text-muted);
    text-decoration: none;
}

.qcm-level-card__context-sep {
    color: var(--qcm-hub-text-muted);
    opacity: 0.6;
}

.qcm-level-card__badge {
    display: inline-flex;
    align-items: center;
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    background: rgba(16, 185, 129, 0.12);
    color: #10b981;
    margin-top: 0.75rem;
}

.qcm-level-card__badge--soon {
    background: rgba(245, 158, 11, 0.12);
    color: #f59e0b;
}

.qcm-level-card--disabled {
    opacity: 0.6;
    pointer-events: none;
}

/* Coming soon levels - cliquables mais visuellement atténués */
.qcm-level-card--coming-soon {
    opacity: 0.85;
    background: var(--qcm-hub-surface);
    border-style: dashed;
}

.qcm-level-card--coming-soon:hover {
    opacity: 1;
    border-style: solid;
}

.qcm-level-card--full {
    min-height: 240px;
}

/* ==========================================
   SUBJECT CARDS (Matières) - Premium v5.0
========================================== */
.qcm-subjects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.qcm-subject-card {
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: var(--qcm-hub-radius);
    padding: 1.5rem;
    text-decoration: none;
    color: inherit;
    transition: 
        transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        border-color 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    position: relative;
    /* Ombres premium */
    box-shadow: 
        0 1px 3px rgba(0, 0, 0, 0.06),
        0 4px 12px rgba(0, 0, 0, 0.06);
}

/* Accent latéral subtil */
.qcm-subject-card::before {
    content: '';
    position: absolute;
    top: 16px;
    bottom: 16px;
    left: 0;
    width: 3px;
    background: var(--qcm-hub-primary);
    border-radius: 0 3px 3px 0;
    opacity: 0;
    transform: scaleY(0.5);
    transition: 
        opacity 0.25s ease,
        transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.qcm-subject-card:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: 
        0 4px 8px rgba(0, 0, 0, 0.04),
        0 12px 24px rgba(99, 102, 241, 0.12);
    border-color: var(--qcm-hub-primary);
}

.qcm-subject-card:hover::before {
    opacity: 1;
    transform: scaleY(1);
}

.qcm-subject-card:active {
    transform: translateY(-1px) scale(0.99);
}

.qcm-subject-card--coming-soon {
    opacity: 0.75;
    border-style: dashed;
}

.qcm-subject-card--coming-soon:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    border-color: var(--qcm-hub-border);
}

.qcm-subject-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.qcm-subject-card__icon {
    font-size: 2rem;
}

.qcm-subject-card__badge {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    background: var(--qcm-hub-primary);
    color: white;
}

.qcm-subject-card__badge--coming-soon {
    background: var(--qcm-hub-text-muted);
}

.qcm-subject-card__name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--qcm-hub-text);
    margin: 0 0 0.5rem;
}

.qcm-subject-card__desc {
    color: var(--qcm-hub-text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
    margin: 0;
    flex-grow: 1;
}

.qcm-subject-card__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--qcm-hub-border);
}

.qcm-subject-card__qcm-count {
    font-size: 0.8125rem;
    color: var(--qcm-hub-text-secondary);
}

.qcm-subject-card__cta {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--qcm-hub-primary);
}

/* Subject card context (parcours + niveau — labels informatifs) */
.qcm-subject-card__context {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    color: var(--qcm-hub-text-muted);
    margin: 0.25rem 0 0.5rem;
}

.qcm-subject-card__context-link {
    color: var(--qcm-hub-text-muted);
    cursor: inherit;
    text-decoration: none;
    pointer-events: none;
}

.qcm-subject-card__context-link:hover {
    color: var(--qcm-hub-text-muted);
    text-decoration: none;
}

.qcm-subject-card__context-sep {
    color: var(--qcm-hub-text-muted);
    opacity: 0.6;
}

/* Subject card meta and variants */
.qcm-subject-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: var(--qcm-hub-text-muted);
    margin-top: 0.5rem;
}

.qcm-subject-card--full {
    min-height: 200px;
    align-items: flex-start;
    text-align: left;
}

/* ==========================================
   QCM CARDS
========================================== */
.qcm-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.qcm-card {
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: 16px;
    padding: 1.75rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: visible;
}

.qcm-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #6366f1 0%, #8b5cf6 50%, #a78bfa 100%);
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.qcm-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px -8px rgba(99, 102, 241, 0.18);
    border-color: rgba(99, 102, 241, 0.3);
}

.qcm-card:hover::before {
    opacity: 1;
}

.qcm-card__title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--qcm-hub-text);
    margin: 0 0 0.5rem;
}

.qcm-card__desc {
    color: var(--qcm-hub-text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
    margin: 0 0 1rem;
}

.qcm-card__meta {
    display: flex;
    gap: 1rem;
    font-size: 0.8125rem;
    color: var(--qcm-hub-text-muted);
}

.qcm-card__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 0.75rem 1.25rem;
    background: var(--qcm-hub-primary);
    color: white;
    border-radius: var(--qcm-hub-radius-sm);
    font-weight: 600;
    font-size: 0.875rem;
    transition: background 0.2s ease;
}

.qcm-card:hover .qcm-card__cta {
    background: var(--qcm-hub-primary-dark);
}

/* ==========================================
   QCM CARDS - EXTENDED STYLES (HUB MATIERE)
========================================== */

/* Stats Hero Hub matière */
.qcm-hub-hero__stats {
    display: flex;
    gap: 2rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.qcm-hub-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.qcm-hub-stat__value {
    font-size: 1.75rem;
    font-weight: 700;
    color: white !important;
}

.qcm-hub-stat__label {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.85) !important;
}

/* ══════════════════════════════════════════════════════════════════════
   HARMONISED CARD SYSTEM - PREMIUM SAAS DESIGN
   ══════════════════════════════════════════════════════════════════════ */

/* Grille de QCM cards - harmonisée */
.qcm-cards-grid--qcms {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}

/* Card QCM individuel - Premium style v5.0 */
.qcm-card--qcm {
    display: flex;
    flex-direction: column;
    position: relative;
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: 16px;
    padding: 1.75rem;
    min-height: 280px;
    transition: 
        transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        border-color 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    /* Ombres premium visibles (Règle #3) */
    box-shadow: 
        0 1px 3px rgba(0, 0, 0, 0.06),
        0 4px 12px rgba(0, 0, 0, 0.06);
}

/* Accent latéral - Personnalité visuelle (Règle #9) */
.qcm-card--qcm::before {
    content: '';
    position: absolute;
    top: 16px;
    bottom: 16px;
    left: 0;
    width: 4px;
    background: linear-gradient(180deg, #6366f1 0%, #8b5cf6 100%);
    border-radius: 0 4px 4px 0;
    opacity: 0;
    transform: scaleY(0.6);
    transition: 
        opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Hover state - Lift + Glow (Règle #7) */
.qcm-card--qcm:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: 
        0 4px 8px rgba(0, 0, 0, 0.04),
        0 12px 32px rgba(99, 102, 241, 0.15),
        0 0 0 1px rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.25);
}

.qcm-card--qcm:hover::before {
    opacity: 1;
    transform: scaleY(1);
}

/* Active state - Press feedback */
.qcm-card--qcm:active {
    transform: translateY(-2px) scale(0.99);
    box-shadow: 
        0 2px 4px rgba(0, 0, 0, 0.06),
        0 6px 16px rgba(99, 102, 241, 0.12);
}

.qcm-card--coming-soon {
    opacity: 0.75;
    border-style: dashed;
    border-color: rgba(245, 158, 11, 0.4);
    background: linear-gradient(135deg, var(--qcm-hub-surface) 0%, rgba(245, 158, 11, 0.03) 100%);
}

.qcm-card--coming-soon::before {
    background: linear-gradient(180deg, #f59e0b 0%, #fbbf24 100%);
}

.qcm-card--coming-soon:hover {
    opacity: 0.9;
    border-color: rgba(245, 158, 11, 0.6);
    box-shadow: 
        0 4px 8px rgba(0, 0, 0, 0.04),
        0 12px 32px rgba(245, 158, 11, 0.12);
}

.qcm-card--coming-soon:hover {
    opacity: 0.9;
    border-color: rgba(245, 158, 11, 0.6);
    box-shadow: 0 12px 32px -8px rgba(245, 158, 11, 0.18);
}

.qcm-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.qcm-card__icon {
    font-size: 1.5rem;
}

.qcm-card__status {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 1rem;
    font-weight: 600;
}

.qcm-card__status--available {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

.qcm-card__status--soon {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

/* Badge QCM Pack (généré automatiquement) */
.qcm-card__status--pack {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.15));
    color: #7c3aed;
    font-size: 0.7rem;
    padding: 0.2rem 0.4rem;
}

/* Container pour badges multiples */
.qcm-card__badges {
    display: flex;
    gap: 0.375rem;
    flex-wrap: wrap;
}

/* Card QCM Pack - légère bordure violette */
.qcm-card--pack {
    border-color: rgba(124, 58, 237, 0.25);
}

.qcm-card--pack:hover {
    border-color: rgba(124, 58, 237, 0.4);
    box-shadow: 0 10px 25px -5px rgba(124, 58, 237, 0.15),
                0 8px 10px -6px rgba(124, 58, 237, 0.08);
}

/* Badges de difficulté */
.qcm-difficulty-badge {
    padding: 0.2rem 0.5rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    background: color-mix(in srgb, var(--difficulty-color) 15%, transparent);
    color: var(--difficulty-color);
}

.qcm-difficulty-badge--facile {
    --difficulty-color: #22c55e;
}

.qcm-difficulty-badge--intermediaire {
    --difficulty-color: #f59e0b;
}

.qcm-difficulty-badge--difficile {
    --difficulty-color: #ef4444;
}

.qcm-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    font-size: 0.8125rem;
    color: var(--qcm-hub-text-muted);
    margin-bottom: 0.75rem;
}

.qcm-card__meta-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.qcm-card__modes {
    display: flex;
    gap: 0.5rem;
    margin-top: auto;
    padding-top: 0.75rem;
    border-top: 1px solid var(--qcm-hub-border);
    font-size: 0.75rem;
    color: var(--qcm-hub-text-secondary);
}

.qcm-card__mode {
    background: var(--qcm-hub-bg);
    padding: 0.25rem 0.5rem;
    border-radius: var(--qcm-hub-radius-sm);
}

/* ══════════════════════════════════════════════════════════════════════════════
   NOTIONS (sous-chapitres) dans les cartes
   ══════════════════════════════════════════════════════════════════════════════ */

.qcm-card__notions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px dashed var(--qcm-hub-border);
}

.qcm-card__notions-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--qcm-hub-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.qcm-card__notions-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
}

.qcm-card__notion-tag {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 1px solid #bae6fd;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 500;
    color: #0369a1;
    text-decoration: none;
    transition: all 0.2s ease;
}

.qcm-card__notion-tag:hover {
    background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
    border-color: #7dd3fc;
    color: #0c4a6e;
    transform: translateY(-1px);
}

/* Notions incomplètes (< 3 questions) - style différent pour identifier le besoin */
.qcm-card__notion-tag--incomplete {
    background: linear-gradient(135deg, #fefce8 0%, #fef9c3 100%);
    border: 1px dashed #fbbf24;
    color: #a16207;
    opacity: 0.85;
    position: relative;
}

.qcm-card__notion-tag--incomplete:hover {
    background: linear-gradient(135deg, #fef9c3 0%, #fde68a 100%);
    border-color: #f59e0b;
    color: #92400e;
    opacity: 1;
}

/* Badge pour indicateur de notions en cours */
.qcm-notion-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    background: #94a3b8;
    color: white;
    border-radius: 8px;
    font-size: 0.65rem;
    font-weight: 600;
    line-height: 1;
}

/* Indicateur "X en cours" - discret */
.qcm-card__notion-incomplete {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.2rem 0.5rem;
    font-size: 0.65rem;
    color: #64748b;
    font-style: italic;
}

.qcm-card__notion-more {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    background: var(--qcm-hub-bg);
    border-radius: 6px;
    font-size: 0.7rem;
    color: var(--qcm-hub-text-muted);
}

.qcm-card__cta--disabled {
    background: var(--qcm-hub-border);
    color: var(--qcm-hub-text-muted);
    cursor: not-allowed;
    pointer-events: none;
}

.qcm-card__cta-arrow {
    transition: transform 0.2s ease;
}

.qcm-card:hover .qcm-card__cta-arrow {
    transform: translateX(4px);
}

/* Subject cards dans related - harmonisée */
.qcm-cards-grid--subjects {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
}

.qcm-subject-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.75rem 1.5rem;
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: 16px;
    text-decoration: none;
    min-height: 160px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
}

.qcm-subject-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #6366f1 0%, #8b5cf6 50%, #a78bfa 100%);
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.qcm-subject-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px -8px rgba(99, 102, 241, 0.18);
    border-color: rgba(99, 102, 241, 0.3);
}

.qcm-subject-card:hover::before {
    opacity: 1;
}

.qcm-subject-card--disabled {
    opacity: 0.5;
    pointer-events: none;
}

.qcm-subject-card--coming-soon {
    opacity: 0.8;
    border-style: dashed;
    border-color: rgba(245, 158, 11, 0.4);
}

.qcm-subject-card--coming-soon::before {
    background: linear-gradient(90deg, #f59e0b 0%, #fbbf24 50%, #fcd34d 100%);
}

.qcm-subject-card--coming-soon:hover {
    opacity: 1;
    border-color: rgba(245, 158, 11, 0.6);
    box-shadow: 0 12px 32px -8px rgba(245, 158, 11, 0.18);
    transform: translateY(-4px);
}

.qcm-subject-card--coming-soon:hover::before {
    opacity: 1;
}

.qcm-subject-card__icon {
    font-size: 2.25rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: rgba(99, 102, 241, 0.08);
    border-radius: 14px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.qcm-subject-card:hover .qcm-subject-card__icon {
    background: rgba(99, 102, 241, 0.15);
    transform: scale(1.05);
}

.qcm-subject-card__name {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--qcm-hub-text);
    margin: 0 0 0.5rem;
    text-align: center;
}

.qcm-subject-card__badge {
    font-size: 0.6875rem;
    padding: 0.125rem 0.5rem;
    border-radius: 1rem;
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
    font-weight: 600;
}

.qcm-subject-card__badge--soon {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

/* Empty state actions */
.qcm-empty-state__actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Back link */
.qcm-hub-back-link {
    color: var(--qcm-hub-primary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: opacity 0.2s ease;
}

.qcm-hub-back-link:hover {
    opacity: 0.8;
}

.qcm-back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--qcm-hub-primary);
    text-decoration: none;
    font-weight: 500;
    transition: gap 0.2s ease;
}

.qcm-back-link:hover {
    gap: 0.75rem;
}

/* Hero meta (page QCM single) */
.qcm-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
    justify-content: center;
}

.qcm-hero-meta__item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.9375rem;
    color: var(--qcm-hub-text-secondary);
    background: var(--qcm-hub-surface);
    padding: 0.5rem 1rem;
    border-radius: var(--qcm-hub-radius-sm);
    border: 1px solid var(--qcm-hub-border);
}

.qcm-hero-meta__icon {
    font-size: 1rem;
}

/* ==========================================
   EMPTY STATE
========================================== */
.qcm-empty-state {
    background: var(--qcm-hub-surface);
    border: 2px dashed var(--qcm-hub-border);
    border-radius: var(--qcm-hub-radius);
    padding: 4rem 2rem;
    text-align: center;
}

.qcm-empty-state--academic {
    border-style: solid;
    background: linear-gradient(135deg, var(--qcm-hub-surface) 0%, rgba(59, 130, 246, 0.03) 100%);
}

.qcm-empty-state__icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.qcm-empty-state--academic .qcm-empty-state__icon {
    opacity: 0.8;
}

.qcm-empty-state__title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--qcm-hub-text);
    margin: 0 0 0.5rem;
}

.qcm-empty-state__desc {
    color: var(--qcm-hub-text-secondary);
    margin: 0 0 1rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.qcm-empty-state__note {
    color: var(--qcm-hub-text-secondary);
    font-size: 0.875rem;
    margin: 0 0 1.5rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    font-style: italic;
}

.qcm-empty-state__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--qcm-hub-primary);
    color: white;
    border-radius: var(--qcm-hub-radius-sm);
    text-decoration: none;
    font-weight: 600;
    transition: background 0.2s ease;
}

.qcm-empty-state__cta:hover {
    background: var(--qcm-hub-primary-dark);
}

/* ==========================================
   ACADEMIC CONTENT SECTION
========================================== */
.qcm-hub-academic {
    margin-bottom: 2rem;
}

.qcm-academic-content {
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: var(--qcm-hub-radius);
    padding: 2rem;
    border-left: 4px solid var(--qcm-hub-primary);
}

.qcm-academic-content__title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--qcm-hub-text);
    margin: 0 0 1rem;
}

.qcm-academic-content__text {
    color: var(--qcm-hub-text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* ==========================================
   HERO STATUS BADGE
========================================== */
.qcm-hub-hero__status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    margin-left: 0.75rem;
}

.qcm-hub-hero__status--soon {
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

/* ==========================================
   MAILLAGE INTERNE
========================================== */
.qcm-related-section {
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: var(--qcm-hub-radius);
    padding: 2rem;
    margin-top: 2rem;
}

.qcm-related-section__title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--qcm-hub-text);
    margin: 0 0 1rem;
}

.qcm-related-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.qcm-related-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--qcm-hub-bg);
    border: 1px solid var(--qcm-hub-border);
    border-radius: var(--qcm-hub-radius-sm);
    text-decoration: none;
    color: var(--qcm-hub-text);
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.qcm-related-link:hover {
    border-color: var(--qcm-hub-primary);
    color: var(--qcm-hub-primary);
}

.qcm-related-link--primary {
    background: var(--qcm-hub-primary);
    border-color: var(--qcm-hub-primary);
    color: white;
}

.qcm-related-link--primary:hover {
    background: var(--qcm-hub-primary-dark);
    color: white;
}

/* ==========================================
   SEARCH / FILTER
========================================== */
.qcm-search-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.qcm-search-input {
    flex: 1;
    padding: 0.875rem 1.25rem;
    border: 1px solid var(--qcm-hub-border);
    border-radius: var(--qcm-hub-radius-sm);
    font-size: 1rem;
    background: var(--qcm-hub-surface);
    color: var(--qcm-hub-text);
    transition: border-color 0.2s ease;
}

.qcm-search-input:focus {
    outline: none;
    border-color: var(--qcm-hub-primary);
}

.qcm-search-input::placeholder {
    color: var(--qcm-hub-text-muted);
}

/* ==========================================
   RESPONSIVE
========================================== */
@media (max-width: 768px) {
    .qcm-hub-hero {
        padding: 2rem 1.5rem;
        margin: 1rem;
        border-radius: 12px;
    }
    
    .qcm-hub-hero__title {
        font-size: 1.5rem;
    }
    
    .qcm-hub-hero__subtitle {
        font-size: 1rem;
    }
    
    .qcm-hub-container {
        padding: 0 1rem;
    }
    
    .qcm-hub-section__title {
        font-size: 1.25rem;
    }
    
    .qcm-level-card {
        padding: 1.5rem;
    }
    
    .qcm-related-section {
        padding: 1.5rem;
    }
}

/* ==========================================
   SEO PAGES - CONTENT RICH TEMPLATES
========================================== */
.qcm-seo-page {
    background: var(--cq-bg-alt, #f8fafc);
    min-height: 100vh;
    padding-bottom: 4rem;
}

.qcm-seo-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* SEO Breadcrumb */
.qcm-breadcrumb {
    padding: 1rem 0;
    font-size: 0.875rem;
    color: var(--qcm-hub-text-secondary);
}

.qcm-breadcrumb a {
    color: var(--qcm-hub-text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.qcm-breadcrumb a:hover {
    color: var(--qcm-hub-primary);
}

.qcm-breadcrumb__sep {
    margin: 0 0.5rem;
    color: var(--qcm-hub-text-muted);
}

/* SEO Hero */
.qcm-seo-hero {
    /* Utilise la palette de couleurs globale */
    background: var(--cq-hero-gradient, linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%));
    border-radius: var(--cq-hero-radius, 24px);
    padding: var(--cq-hero-padding-top, 80px) var(--cq-hero-padding-x, 40px) var(--cq-hero-padding-bottom, 60px);
    margin: 0 auto var(--cq-hero-margin-bottom, 48px);
    max-width: 1200px;
    color: var(--cq-hero-text, white);
    text-align: center;
    box-shadow: var(--cq-hero-shadow, 0 20px 60px rgba(99, 102, 241, 0.25));
    position: relative;
    overflow: hidden;
}

.qcm-seo-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.2);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.qcm-seo-hero__title {
    font-size: var(--cq-h1-size, clamp(2rem, 4vw, 2.75rem)) !important;
    font-weight: var(--cq-h1-weight, 800) !important;
    line-height: var(--cq-h1-lh, 1.15) !important;
    letter-spacing: var(--cq-heading-ls, -0.02em) !important;
    margin: 0 0 1rem !important;
    color: var(--cq-hero-text, #ffffff) !important;
}

.qcm-seo-hero__subtitle {
    font-size: 1.125rem !important;
    line-height: 1.6 !important;
    max-width: 650px !important;
    margin: 0 auto !important;
    color: var(--cq-hero-text-soft, rgba(255, 255, 255, 0.95)) !important;
}

/* SEO Sections */
.qcm-seo-section {
    background: var(--qcm-hub-surface);
    border-radius: var(--qcm-hub-radius);
    padding: 2rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--qcm-hub-border);
}

.qcm-seo-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--qcm-hub-text);
    margin: 0 0 1rem;
}

.qcm-seo-section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--qcm-hub-text);
    margin: 0 0 0.75rem;
}

/* ==========================================
   SEO SECTIONS - DESIGN SAAS PREMIUM
========================================== */

/* Variables pour le design premium */
.qcm-hub-section--seo-article {
    --seo-gradient-start: #f8faff;
    --seo-gradient-end: #ffffff;
    --seo-accent: #6366f1;
    --seo-accent-light: rgba(99, 102, 241, 0.08);
    --seo-accent-medium: rgba(99, 102, 241, 0.15);
    --seo-shadow: 0 4px 24px -4px rgba(99, 102, 241, 0.12);
    --seo-shadow-hover: 0 8px 32px -4px rgba(99, 102, 241, 0.18);
}

/* SEO Article Container - Style Premium */
.qcm-seo-article {
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: 20px;
    padding: 0;
    margin-bottom: 2rem;
    box-shadow: var(--seo-shadow);
    overflow: hidden;
    position: relative;
}

.qcm-seo-article::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
}

/* Header avec titre */
.qcm-seo-article__title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--qcm-hub-text);
    margin: 0;
    padding: 2.5rem 3rem 1.5rem;
    background: transparent;
    position: relative;
    letter-spacing: -0.02em;
}

.qcm-seo-article__title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 3rem;
    right: 3rem;
    height: 1px;
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.2) 0%, rgba(99, 102, 241, 0.05) 100%);
}

/* Contenu principal */
.qcm-seo-article__content {
    padding: 2rem 3rem 2.5rem;
}

/* Paragraphes */
.qcm-seo-article__content > p:first-of-type {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--qcm-hub-text-secondary);
    margin-bottom: 2rem;
    padding: 1.5rem 2rem;
    background: rgba(99, 102, 241, 0.08);
    border-radius: 12px;
    border-left: 3px solid var(--seo-accent);
}

.qcm-seo-article__content p {
    font-size: 1rem;
    line-height: 1.85;
    color: var(--qcm-hub-text-secondary);
    margin: 0 0 1.25rem;
}

.qcm-seo-article__content strong {
    color: var(--qcm-hub-text);
    font-weight: 600;
}

/* Titres H3 - Style carte */
.qcm-seo-article__content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--qcm-hub-text);
    margin: 1.5rem 0 1rem;
    padding: 0.75rem 1rem;
    background: rgba(99, 102, 241, 0.08);
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
}

.qcm-seo-article__content h3::before {
    content: '';
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

/* Liens externes */
.qcm-seo-article__content a {
    color: var(--seo-accent);
    text-decoration: none;
    font-weight: 500;
    background: linear-gradient(transparent 60%, rgba(99, 102, 241, 0.15) 60%);
    padding: 0 2px;
    transition: all 0.2s ease;
}

.qcm-seo-article__content a:hover {
    background: rgba(99, 102, 241, 0.15);
    border-radius: 3px;
}

/* Listes - Style moderne avec icônes */
.qcm-seo-article__content ul,
.qcm-seo-article__content ol {
    margin: 1rem 0 1.5rem;
    padding: 0;
    list-style: none;
}

.qcm-seo-article__content ul li,
.qcm-seo-article__content ol li {
    position: relative;
    padding: 1rem 1.25rem 1rem 3.5rem;
    margin-bottom: 0.5rem;
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: 10px;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--qcm-hub-text-secondary);
    transition: all 0.2s ease;
}

.qcm-seo-article__content ul li:hover,
.qcm-seo-article__content ol li:hover {
    border-color: rgba(99, 102, 241, 0.2);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.08);
    transform: translateX(4px);
}

.qcm-seo-article__content ul li::before {
    content: '✓';
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
}

.qcm-seo-article__content ol {
    counter-reset: step-counter;
}

.qcm-seo-article__content ol li::before {
    counter-increment: step-counter;
    content: counter(step-counter);
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
}

.qcm-seo-article__content li strong {
    color: var(--qcm-hub-text);
    font-weight: 600;
}

/* SEO Intro - Style Premium Card */
.qcm-seo-intro {
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: 20px;
    padding: 2.5rem 3rem;
    margin-bottom: 2rem;
    position: relative;
    box-shadow: 0 4px 24px -4px rgba(99, 102, 241, 0.1);
    overflow: hidden;
}

.qcm-seo-intro::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 5px;
    background: linear-gradient(180deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
}

.qcm-seo-intro::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.qcm-seo-intro h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--qcm-hub-text);
    margin: 0 0 2.5rem;
    letter-spacing: -0.02em;
}

.qcm-seo-intro h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--qcm-hub-text);
    margin: 2rem 0 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.qcm-seo-intro h3::before {
    content: '→';
    color: var(--seo-accent);
    font-weight: 400;
}

.qcm-seo-intro p {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--qcm-hub-text-secondary);
    margin: 0 0 1rem;
}

.qcm-seo-intro p:last-child {
    margin-bottom: 0;
}

.qcm-seo-intro strong {
    color: var(--qcm-hub-text);
    font-weight: 600;
    background: linear-gradient(transparent 60%, rgba(99, 102, 241, 0.12) 60%);
    padding: 0 2px;
}

.qcm-seo-intro a {
    color: var(--seo-accent);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px dashed var(--seo-accent);
    transition: all 0.2s ease;
}

.qcm-seo-intro a:hover {
    background: rgba(99, 102, 241, 0.1);
    border-radius: 4px;
    border-bottom-color: transparent;
    padding: 2px 4px;
    margin: -2px -4px;
}

/* SEO Content - Style Premium */
.qcm-seo-content {
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: 20px;
    padding: 2.5rem 3rem;
    box-shadow: 0 4px 24px -4px rgba(99, 102, 241, 0.1);
    position: relative;
    overflow: hidden;
}

.qcm-seo-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
}

.qcm-seo-content h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--qcm-hub-text);
    margin: 0 0 2.5rem;
    letter-spacing: -0.02em;
}

.qcm-seo-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--qcm-hub-text);
    margin: 2rem 0 1rem;
    padding: 0.75rem 1rem;
    background: rgba(99, 102, 241, 0.08);
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.qcm-seo-content h3::before {
    content: '';
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    border-radius: 50%;
    flex-shrink: 0;
}

.qcm-seo-content p {
    font-size: 1rem;
    color: var(--qcm-hub-text-secondary);
    line-height: 1.85;
    margin-bottom: 1rem;
}

.qcm-seo-content strong {
    color: var(--qcm-hub-text);
    font-weight: 600;
}

.qcm-seo-content a {
    color: #6366f1;
    text-decoration: none;
    font-weight: 500;
    background: linear-gradient(transparent 60%, rgba(99, 102, 241, 0.15) 60%);
    padding: 0 2px;
    transition: all 0.2s ease;
}

.qcm-seo-content a:hover {
    background: rgba(99, 102, 241, 0.15);
    border-radius: 3px;
}

/* Lien inline pour maillage interne */
.qcm-inline-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--qcm-hub-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    padding: 0.5rem 1rem;
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.qcm-inline-link:hover {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--qcm-hub-primary);
    transform: translateX(4px);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.2);
}

/* Listes dans SEO Content - Style Cards */
.qcm-seo-content ul,
.qcm-seo-content ol,
.qcm-seo-list {
    margin: 1.25rem 0 1.5rem;
    padding: 0;
    list-style: none;
}

.qcm-seo-content ul li,
.qcm-seo-content ol li,
.qcm-seo-list li {
    position: relative;
    padding: 1rem 1.25rem 1rem 3.25rem;
    margin-bottom: 0.5rem;
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: 12px;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--qcm-hub-text-secondary);
    transition: all 0.25s ease;
}

.qcm-seo-content ul li:hover,
.qcm-seo-content ol li:hover,
.qcm-seo-list li:hover {
    border-color: rgba(99, 102, 241, 0.2);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.1);
    transform: translateX(4px);
}

.qcm-seo-content ul li::before,
.qcm-seo-list li::before {
    content: '✓';
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 22px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
}

.qcm-seo-content ol {
    counter-reset: step-counter;
}

.qcm-seo-content ol li::before {
    counter-increment: step-counter;
    content: counter(step-counter);
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 22px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
}

.qcm-seo-content li strong,
.qcm-seo-list li strong {
    color: var(--qcm-hub-text);
    font-weight: 600;
}

.qcm-seo-list--numbered {
    counter-reset: step-counter;
}

.qcm-seo-list--numbered li::before {
    counter-increment: step-counter;
    content: counter(step-counter);
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
}

/* SEO Grid - Style Premium */
.qcm-seo-grid {
    display: grid;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.qcm-seo-grid--2cols {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.qcm-seo-grid--3cols {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

/* SEO Card - Style Premium */
.qcm-seo-card {
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: 16px;
    padding: 1.75rem;
    box-shadow: 0 2px 12px rgba(99, 102, 241, 0.06);
    transition: all 0.25s ease;
}

.qcm-seo-card:hover {
    border-color: rgba(99, 102, 241, 0.2);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.12);
    transform: translateY(-2px);
}

.qcm-seo-card h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--qcm-hub-text);
    margin-bottom: 1rem;
}

.qcm-seo-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.qcm-seo-card ul li {
    color: var(--qcm-hub-text-secondary);
    padding: 0.5rem 0;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--qcm-hub-border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.qcm-seo-card ul li::before {
    content: '•';
    color: #6366f1;
    font-weight: bold;
}

.qcm-seo-card ul li:last-child {
    border-bottom: none;
}

/* SEO Link Cards - Style Premium */
.qcm-seo-link-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.75rem;
    padding: 2rem 1.5rem;
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: 16px;
    text-decoration: none;
    transition: all 0.25s ease;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.05);
}

.qcm-seo-link-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(99, 102, 241, 0.15);
}

.qcm-seo-link-card__icon {
    font-size: 2.5rem;
    margin-bottom: 0.25rem;
}

.qcm-seo-link-card__title {
    font-weight: 600;
    color: var(--qcm-hub-text);
    font-size: 0.9rem;
}

.qcm-seo-link-card__badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    background: #dcfce7;
    color: #166534;
}

.qcm-seo-link-card__badge--soon {
    background: #fef3c7;
    color: #92400e;
}

.qcm-seo-link-card__desc {
    font-size: 0.8rem;
    color: #64748b;
    margin-top: 0.25rem;
    line-height: 1.4;
}

.qcm-seo-link-card--available {
    border-color: #10b981;
    background: linear-gradient(135deg, rgba(16,185,129,0.05) 0%, transparent 100%);
}

.qcm-seo-link-card--all {
    border-style: dashed;
    border-color: rgba(99, 102, 241, 0.25);
}

/* ==========================================
   SEO FAQ - Les styles sont maintenant unifiés
   Voir section "FAQ SECTION — Design Unifié"
   plus bas dans ce fichier
========================================== */
.qcm-hub-faq {
    margin-top: 2.5rem;
}

/* ==========================================
   COMPÉTENCES GRID (Matière Hub)
========================================== */
.qcm-competences-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.qcm-competence-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: var(--qcm-hub-radius-sm);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.qcm-competence-item:hover {
    border-color: var(--qcm-hub-primary);
    box-shadow: var(--qcm-hub-shadow);
}

.qcm-competence-item__icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    font-size: 0.875rem;
    font-weight: 700;
    border-radius: 50%;
}

.qcm-competence-item__text {
    color: var(--qcm-hub-text);
    font-size: 0.9375rem;
    line-height: 1.5;
}

/* ==========================================
   MÉTHODE DE RÉVISION (Matière Hub)
========================================== */
.qcm-methode-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.qcm-methode-step {
    position: relative;
    padding: 1.5rem;
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: var(--qcm-hub-radius);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.qcm-methode-step:hover {
    transform: translateY(-2px);
    box-shadow: var(--qcm-hub-shadow-lg);
}

.qcm-methode-step__number {
    position: absolute;
    top: -12px;
    left: 1.5rem;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--qcm-hub-primary) 0%, var(--qcm-hub-primary-dark) 100%);
    color: white;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 50%;
    box-shadow: 0 4px 8px rgba(99, 102, 241, 0.3);
}

.qcm-methode-step__title {
    margin: 0 0 0.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--qcm-hub-text);
}

.qcm-methode-step__desc {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--qcm-hub-text-secondary);
    line-height: 1.6;
}

/* ==========================================
   ACADEMIC CONTENT (Matière Hub)
========================================== */
.qcm-hub-academic {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(99, 102, 241, 0.02) 100%);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: var(--qcm-hub-radius);
    padding: 2rem;
}

.qcm-academic-content__title {
    margin: 0 0 1rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--qcm-hub-text);
}

.qcm-academic-content__text {
    margin: 0;
    font-size: 1rem;
    color: var(--qcm-hub-text-secondary);
    line-height: 1.7;
}

/* SEO CTA */
.qcm-seo-cta-section {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 2px solid #0ea5e9;
}

[data-theme="dark"] .qcm-seo-cta-section {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1) 0%, rgba(14, 165, 233, 0.05) 100%);
}

.qcm-seo-cta-box {
    text-align: center;
}

.qcm-seo-cta-box h2 {
    color: var(--qcm-hub-text);
}

.qcm-seo-cta-box p {
    color: var(--qcm-hub-text-secondary);
    margin-bottom: 1.5rem;
}

.qcm-seo-cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* QCM Buttons */
.qcm-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

.qcm-btn--primary {
    background: var(--qcm-hub-primary);
    color: white;
}

.qcm-btn--primary:hover {
    background: var(--qcm-hub-primary-dark);
    transform: translateY(-1px);
}

.qcm-btn--ghost {
    background: transparent;
    border: 2px solid var(--qcm-hub-border);
    color: var(--qcm-hub-text);
}

.qcm-btn--ghost:hover {
    border-color: var(--qcm-hub-primary);
    color: var(--qcm-hub-primary);
}

.qcm-btn--lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* SEO Responsive */
@media (max-width: 768px) {
    .qcm-seo-container {
        padding: 0 1rem;
    }
    
    .qcm-seo-hero {
        padding: 2rem 1.5rem;
        margin: 0 -1rem 1.5rem;
        border-radius: 0;
    }
    
    .qcm-seo-hero__title {
        font-size: 1.5rem;
    }
    
    .qcm-seo-section {
        padding: 1.5rem;
        margin: 0 -1rem 1rem;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
    
    .qcm-seo-grid--2cols,
    .qcm-seo-grid--3cols {
        grid-template-columns: 1fr;
    }
    
    .qcm-seo-cta-actions {
        flex-direction: column;
    }
    
    .qcm-btn--lg {
        width: 100%;
    }
}

/* ==========================================
   PARCOURS CARDS (Multi-Parcours Hub)
========================================== */
.qcm-parcours-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

@media (max-width: 900px) {
    .qcm-parcours-grid {
        grid-template-columns: 1fr;
    }
}

.qcm-parcours-card {
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: var(--qcm-hub-radius);
    padding: 2rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.qcm-parcours-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--parcours-color, var(--qcm-hub-primary));
}

.qcm-parcours-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--qcm-hub-shadow-lg);
    border-color: var(--parcours-color, var(--qcm-hub-primary));
}

.qcm-parcours-card--coming-soon {
    opacity: 0.65;
    cursor: default;
}

.qcm-parcours-card--coming-soon:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--qcm-hub-border);
}

.qcm-parcours-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.qcm-parcours-card__icon {
    font-size: 2.5rem;
}

.qcm-parcours-card__badge {
    display: inline-flex;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.qcm-parcours-card__badge--soon {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

.qcm-parcours-card__name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--qcm-hub-text);
    margin: 0 0 0.25rem;
}

.qcm-parcours-card__fullname {
    font-size: 0.875rem;
    color: var(--parcours-color, var(--qcm-hub-primary));
    font-weight: 500;
    margin: 0 0 0.75rem;
}

.qcm-parcours-card__desc {
    color: var(--qcm-hub-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin: 0 0 1.5rem;
    flex-grow: 1;
}

.qcm-parcours-card__stats {
    display: flex;
    gap: 1.5rem;
    padding: 1rem 0;
    border-top: 1px solid var(--qcm-hub-border);
}

.qcm-parcours-card__stat {
    display: flex;
    flex-direction: column;
}

.qcm-parcours-card__stat-value {
    font-weight: 700;
    color: var(--parcours-color, var(--qcm-hub-primary));
    font-size: 1.25rem;
}

.qcm-parcours-card__stat-label {
    color: var(--qcm-hub-text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.qcm-parcours-card__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--parcours-color, var(--qcm-hub-primary));
    font-weight: 600;
    margin-top: auto;
}

.qcm-parcours-card__cta--disabled {
    color: var(--qcm-hub-text-muted);
}

/* ==========================================
   BENEFITS GRID (Hub Principal)
========================================== */
.qcm-benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

@media (max-width: 1000px) {
    .qcm-benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .qcm-benefits-grid {
        grid-template-columns: 1fr;
    }
}

.qcm-benefit-card {
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: var(--qcm-hub-radius-sm);
    padding: 1.5rem;
    text-align: center;
}

.qcm-benefit-card__icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 0.75rem;
}

.qcm-benefit-card__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--qcm-hub-text);
    margin: 0 0 0.5rem;
}

.qcm-benefit-card__desc {
    font-size: 0.875rem;
    color: var(--qcm-hub-text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* ==========================================
   STEPS GRID (Comment ça marche)
========================================== */
.qcm-steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

@media (max-width: 768px) {
    .qcm-steps-grid {
        grid-template-columns: 1fr;
    }
}

.qcm-step-card {
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: var(--qcm-hub-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

.qcm-step-card__header {
    background: rgba(99, 102, 241, 0.05);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    position: relative;
}

.qcm-step-card__number {
    width: 2.5rem;
    height: 2.5rem;
    min-width: 2.5rem;
    background: var(--qcm-hub-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    font-weight: 700;
    flex-shrink: 0;
}

.qcm-step-card__header-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
}

.qcm-step-card__dot {
    width: 8px;
    height: 8px;
    background: var(--qcm-hub-primary);
    border-radius: 50%;
    flex-shrink: 0;
}

.qcm-step-card__title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--qcm-hub-text);
    margin: 0;
    line-height: 1.3;
}

.qcm-step-card__body {
    padding: 1.5rem;
    background: var(--qcm-hub-surface);
}

.qcm-step-card__desc {
    font-size: 0.9375rem;
    color: var(--qcm-hub-text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* Carte étape cliquable */
.qcm-step-card--link {
    text-decoration: none;
    cursor: pointer;
}

.qcm-step-card--link:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.15);
    border-color: var(--qcm-hub-primary);
}

.qcm-step-card--link:hover .qcm-step-card__header {
    background: rgba(99, 102, 241, 0.08);
}

.qcm-step-card--link:hover .qcm-step-card__title {
    color: var(--qcm-hub-primary);
}

.qcm-step-card__cta {
    display: none;
}

/* ==========================================
   USAGE MODES
========================================== */
.qcm-usage-modes__title {
    background: rgba(99, 102, 241, 0.05);
    padding: 1rem 1.5rem;
    border-radius: var(--qcm-hub-radius);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--qcm-hub-text);
    margin: 0 0 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.qcm-usage-modes__bullet {
    color: var(--qcm-hub-primary);
    font-size: 1.5rem;
    line-height: 1;
}

.qcm-usage-modes .qcm-modes-grid,
.qcm-modes-grid {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 1.5rem !important;
    align-items: stretch;
    flex-direction: row !important;
}

@media (max-width: 1024px) {
    .qcm-usage-modes .qcm-modes-grid,
    .qcm-modes-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (max-width: 768px) {
    .qcm-usage-modes .qcm-modes-grid,
    .qcm-modes-grid {
        grid-template-columns: 1fr !important;
    }
}

/* Mode card pour les hubs (matière, niveau, etc.) - pas pour qcm-v2 */
.qcm-hub-section .qcm-mode-card,
.qcm-usage-modes .qcm-mode-card {
    background: var(--qcm-hub-surface) !important;
    border: 1px solid var(--qcm-hub-border) !important;
    border-radius: var(--qcm-hub-radius) !important;
    overflow: hidden;
    display: flex !important;
    flex-direction: column !important;
    transition: all 0.3s ease;
    height: 100%;
    padding: 0 !important;
    text-align: left !important;
}

.qcm-mode-card__header {
    background: rgba(99, 102, 241, 0.05);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.qcm-mode-card__dot {
    width: 8px;
    height: 8px;
    background: var(--qcm-hub-primary);
    border-radius: 50%;
    flex-shrink: 0;
}

.qcm-mode-card__icon {
    display: none;
}

.qcm-mode-card__body {
    padding: 1.5rem;
    background: var(--qcm-hub-surface);
}

.qcm-mode-card h4 {
    font-size: 1rem;
    font-weight: 700;
    margin: 0;
    color: var(--qcm-hub-text);
}

.qcm-mode-card__body p {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--qcm-hub-text-secondary);
    margin: 0;
}

/* ==========================================
   CREDIBILITY SECTION
========================================== */
.qcm-hub-section--credibility .qcm-credibility-content {
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: var(--qcm-hub-radius);
    padding: 2rem;
}

.qcm-hub-section--credibility p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--qcm-hub-text-secondary);
    margin: 0 0 1.5rem;
}

.qcm-credibility-points {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

@media (max-width: 600px) {
    .qcm-credibility-points {
        grid-template-columns: 1fr;
    }
}

.qcm-credibility-point {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.qcm-credibility-point span {
    color: var(--qcm-hub-l2);
    font-weight: 700;
    font-size: 1.25rem;
}

.qcm-credibility-point p {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--qcm-hub-text);
}

/* ==========================================
   FAQ SECTION — Design Unifié (Accordion Premium)
========================================== */
.qcm-hub-section--faq {
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: var(--qcm-hub-radius);
    padding: 2rem;
}

/* Container unifié pour toutes les FAQ */
.qcm-faq-list,
.qcm-seo-faq__list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Style unifié pour tous les items FAQ (accordion) */
.qcm-faq-item,
.qcm-seo-faq__item {
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.04);
}

.qcm-faq-item:hover,
.qcm-seo-faq__item:hover {
    border-color: rgba(99, 102, 241, 0.25);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

/* Summary (question clickable) */
.qcm-faq-item summary,
.qcm-seo-faq__item summary {
    padding: 1.5rem 2rem;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--qcm-hub-text);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    user-select: none;
    transition: background 0.2s ease;
}

.qcm-faq-item summary:hover,
.qcm-seo-faq__item summary:hover {
    background: rgba(99, 102, 241, 0.03);
}

.qcm-faq-item summary::-webkit-details-marker,
.qcm-seo-faq__item summary::-webkit-details-marker {
    display: none;
}

/* Bouton +/- violet */
.qcm-faq-item summary::after,
.qcm-seo-faq__item summary::after {
    content: "+";
    font-size: 1.25rem;
    font-weight: 500;
    color: white;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.qcm-faq-item:hover summary::after,
.qcm-seo-faq__item:hover summary::after {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

/* État ouvert */
.qcm-faq-item[open] summary::after,
.qcm-seo-faq__item[open] summary::after {
    content: "−";
    transform: rotate(0deg);
    background: linear-gradient(135deg, #8b5cf6 0%, #a855f7 100%);
}

.qcm-faq-item[open],
.qcm-seo-faq__item[open] {
    border-color: var(--qcm-hub-primary);
    background: var(--qcm-hub-surface);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.12);
}

.qcm-faq-item[open] summary,
.qcm-seo-faq__item[open] summary {
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
}

/* Contenu de la réponse */
.qcm-faq-item > div,
.qcm-faq-item__answer,
.qcm-seo-faq__item div,
.qcm-seo-faq__answer {
    padding: 1.5rem 2rem 1.75rem;
    color: var(--qcm-hub-text-secondary);
    line-height: 1.8;
    background: rgba(99, 102, 241, 0.04);
}

.qcm-faq-item p,
.qcm-faq-item__answer p,
.qcm-seo-faq__item p {
    margin: 0;
    font-size: 1rem;
}

/* Responsive */
@media (max-width: 640px) {
    .qcm-faq-item summary,
    .qcm-seo-faq__item summary {
        padding: 1.25rem 1.5rem;
        font-size: 0.95rem;
        gap: 1rem;
    }
    
    .qcm-faq-item > div,
    .qcm-faq-item__answer,
    .qcm-seo-faq__item div,
    .qcm-seo-faq__answer {
        padding: 1.25rem 1.5rem 1.5rem;
    }
    
    .qcm-faq-item summary::after,
    .qcm-seo-faq__item summary::after {
        width: 28px;
        height: 28px;
        font-size: 1.1rem;
    }
}

/* ==========================================
   CTA SECTION
========================================== */
.qcm-hub-section--cta {
    text-align: center;
}

.qcm-cta-box {
    background: linear-gradient(135deg, var(--qcm-hub-primary) 0%, var(--qcm-hub-primary-dark) 100%);
    border-radius: var(--qcm-hub-radius);
    padding: 3rem;
    color: white;
}

.qcm-cta-box h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 0 0.75rem;
}

.qcm-cta-box p {
    font-size: 1.0625rem;
    opacity: 0.9;
    margin: 0 0 2rem;
}

.qcm-cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.qcm-cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 9999px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

.qcm-cta-button--primary {
    background: var(--qcm-hub-surface);
    color: var(--qcm-hub-primary-dark);
}

.qcm-cta-button--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.qcm-cta-button--secondary {
    background: rgba(255,255,255,0.15);
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
}

.qcm-cta-button--secondary:hover {
    background: rgba(255,255,255,0.25);
}

@media (max-width: 600px) {
    .qcm-cta-box {
        padding: 2rem 1.5rem;
    }
    
    .qcm-cta-box h2 {
        font-size: 1.5rem;
    }
    
    .qcm-cta-buttons {
        flex-direction: column;
    }
    
    .qcm-cta-button {
        width: 100%;
        justify-content: center;
    }
}

/* ==========================================
   INTRO CONTENT
========================================== */
.qcm-hub-section--intro .qcm-intro-content p {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--qcm-hub-text-secondary);
    margin: 0 0 1.5rem;
}

.qcm-content-block {
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: var(--qcm-hub-radius);
    padding: 2rem;
}

.qcm-content-block p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--qcm-hub-text-secondary);
    margin: 0 0 1rem;
}

.qcm-content-block p:last-child {
    margin-bottom: 0;
}

/* ==========================================
   LEVEL CARDS COMPACT
========================================== */
.qcm-levels-grid--compact {
    grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 600px) {
    .qcm-levels-grid--compact {
        grid-template-columns: 1fr;
    }
}

.qcm-level-card--compact {
    padding: 1.5rem;
}

.qcm-level-card--compact .qcm-level-card__icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.qcm-level-card--compact .qcm-level-card__name {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.qcm-level-card--compact .qcm-level-card__desc {
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
}
/* ==========================================
   SEO BREADCRUMB (Schema.org compatible)
========================================== */
.qcm-breadcrumb {
    padding: 1rem 0;
    margin-bottom: 0.5rem;
}

.qcm-breadcrumb__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.875rem;
}

.qcm-breadcrumb__item {
    display: flex;
    align-items: center;
}

.qcm-breadcrumb__link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--qcm-hub-text-secondary);
    text-decoration: none;
    padding: 0.25rem 0.5rem;
    border-radius: var(--qcm-hub-radius-sm);
    transition: all 0.2s ease;
}

.qcm-breadcrumb__link:hover {
    color: var(--qcm-hub-primary);
    background: rgba(99, 102, 241, 0.08);
}

.qcm-breadcrumb__current {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--qcm-hub-text);
    font-weight: 600;
    padding: 0.25rem 0.5rem;
}

.qcm-breadcrumb__icon {
    font-size: 0.9rem;
    line-height: 1;
}

.qcm-breadcrumb__text {
    line-height: 1.3;
}

.qcm-breadcrumb__separator {
    color: var(--qcm-hub-text-muted);
    font-size: 0.75rem;
    padding: 0 0.25rem;
    opacity: 0.6;
}

/* Responsive breadcrumb */
@media (max-width: 640px) {
    .qcm-breadcrumb__list {
        font-size: 0.8rem;
    }
    
    .qcm-breadcrumb__icon {
        display: none;
    }
    
    .qcm-breadcrumb__link,
    .qcm-breadcrumb__current {
        padding: 0.2rem 0.35rem;
    }
}

/* ==========================================
   EEAT BADGES - Trust & Authority Signals - PREMIUM
========================================== */
.qcm-eeat-badge {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding: 1rem 1.75rem;
    background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(248,250,255,0.95) 100%);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: 100px;
    font-size: 0.9rem;
    color: var(--qcm-hub-text-secondary);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.08), inset 0 1px 0 rgba(255,255,255,0.8);
    backdrop-filter: blur(8px);
}

.qcm-eeat-badge__item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
    padding: 0.35rem 0.75rem;
    background: rgba(99, 102, 241, 0.06);
    border-radius: 50px;
    transition: all 0.2s ease;
}

.qcm-eeat-badge__item:hover {
    background: rgba(99, 102, 241, 0.12);
    transform: translateY(-1px);
}

.qcm-eeat-badge__separator {
    color: rgba(99, 102, 241, 0.3);
    font-size: 0.5rem;
}

/* Dark mode */
[data-theme="dark"] .qcm-eeat-badge {
    background: linear-gradient(135deg, rgba(30, 32, 48, 0.95) 0%, rgba(40, 42, 60, 0.95) 100%);
    border-color: rgba(99, 102, 241, 0.25);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .qcm-eeat-badge__item {
    background: rgba(99, 102, 241, 0.15);
}

/* Responsive EEAT */
@media (max-width: 768px) {
    .qcm-eeat-badge {
        flex-direction: column;
        gap: 0.5rem;
        padding: 1rem 1.25rem;
        border-radius: 16px;
    }
    
    .qcm-eeat-badge__separator {
        display: none;
    }
    
    .qcm-eeat-badge__item {
        font-size: 0.85rem;
        width: 100%;
        justify-content: center;
    }
}

/* ==========================================
   FAQ STYLES - Rich Snippets Ready
========================================== */
.qcm-hub-faq {
    margin-top: 2rem;
}

/* ==========================================
   SOCIAL PROOF COUNTER
========================================== */
.qcm-social-proof {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--qcm-hub-radius);
}

.qcm-social-proof__item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--qcm-hub-text);
}

.qcm-social-proof__icon {
    font-size: 1.2rem;
}

.qcm-social-proof__value {
    font-weight: 700;
    color: var(--qcm-hub-primary);
}

/* ==========================================
   INTERNAL LINKS - PREMIUM SAAS DESIGN
========================================== */
.qcm-hub-internal-links {
    margin-top: 4rem;
}

.qcm-internal-links__group {
    margin-bottom: 3rem;
}

.qcm-internal-links__group:last-child {
    margin-bottom: 0;
}

.qcm-internal-links__group-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--qcm-hub-text);
    margin: 0 0 1.5rem;
    letter-spacing: -0.01em;
}

.qcm-internal-links__group-icon {
    font-size: 1.5rem;
    line-height: 1;
}

.qcm-internal-links__group--private .qcm-internal-links__group-title {
    color: var(--qcm-hub-text-secondary);
}

.qcm-internal-links__group--cta {
    margin-top: 2rem;
}

/* Grid pour les cartes internes */
.qcm-cards-grid--internal {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

.qcm-cards-grid--compact {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
}

@media (min-width: 768px) {
    .qcm-cards-grid--internal {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 1.5rem;
    }
    
    .qcm-cards-grid--compact {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
        max-width: 900px;
        margin: 0 auto;
    }
}

/* Carte interne - Design Premium SaaS */
.qcm-internal-card {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.5rem;
    background: var(--qcm-hub-surface);
    border: 1.5px solid var(--qcm-hub-border);
    border-radius: 16px;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
}

/* Variante compacte pour "Mon espace personnel" */
.qcm-internal-card--compact {
    padding: 1rem 1.25rem;
    gap: 1rem;
}

.qcm-internal-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #6366f1 0%, #8b5cf6 50%, #a78bfa 100%);
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.qcm-internal-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px -8px rgba(99, 102, 241, 0.18);
    border-color: rgba(99, 102, 241, 0.4);
}

.qcm-internal-card:hover::before {
    opacity: 1;
}

/* Variante publique (SEO-friendly) */
.qcm-internal-card--public {
    border-color: var(--qcm-hub-border);
}

.qcm-internal-card--public:hover {
    border-color: rgba(99, 102, 241, 0.4);
}

/* Variante privée (Noindex) */
.qcm-internal-card--private {
    border-color: rgba(148, 163, 184, 0.3);
    background: linear-gradient(135deg, var(--qcm-hub-surface) 0%, rgba(248, 250, 252, 0.5) 100%);
    opacity: 0.95;
}

.qcm-internal-card--private:hover {
    border-color: rgba(148, 163, 184, 0.5);
    box-shadow: 0 12px 32px -8px rgba(148, 163, 184, 0.15);
}

.qcm-internal-card--private::before {
    background: linear-gradient(90deg, #94a3b8 0%, #cbd5e1 50%, #e2e8f0 100%);
}

/* Variante CTA (Inscription) */
.qcm-internal-card--cta {
    border: 2px solid var(--qcm-hub-primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.12);
}

.qcm-internal-card--cta:hover {
    border-color: var(--qcm-hub-primary);
    box-shadow: 0 12px 32px -8px rgba(99, 102, 241, 0.25);
    transform: translateY(-6px);
}

.qcm-internal-card--cta::before {
    background: linear-gradient(90deg, #6366f1 0%, #8b5cf6 50%, #a78bfa 100%);
    opacity: 1;
    height: 4px;
}

/* Icon wrapper */
.qcm-internal-card__icon-wrapper {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.qcm-internal-card--compact .qcm-internal-card__icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 10px;
}

.qcm-internal-card:hover .qcm-internal-card__icon-wrapper {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
    transform: scale(1.05);
}

.qcm-internal-card__icon-wrapper--private {
    background: linear-gradient(135deg, rgba(148, 163, 184, 0.15) 0%, rgba(203, 213, 225, 0.15) 100%);
}

.qcm-internal-card__icon-wrapper--cta {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
}

.qcm-internal-card__icon {
    font-size: 1.75rem;
    line-height: 1;
}

.qcm-internal-card--compact .qcm-internal-card__icon {
    font-size: 1.5rem;
}

/* Content */
.qcm-internal-card__content {
    flex: 1;
    min-width: 0;
}

.qcm-internal-card__title {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--qcm-hub-text);
    margin: 0 0 0.375rem;
    line-height: 1.3;
    letter-spacing: -0.01em;
}

.qcm-internal-card--compact .qcm-internal-card__title {
    font-size: 1rem;
    margin: 0 0 0.25rem;
}

.qcm-internal-card__description {
    font-size: 0.875rem;
    color: var(--qcm-hub-text-secondary);
    margin: 0;
    line-height: 1.5;
}

.qcm-internal-card--compact .qcm-internal-card__description {
    font-size: 0.8125rem;
    line-height: 1.4;
}

/* Arrow */
.qcm-internal-card__arrow {
    flex-shrink: 0;
    font-size: 1.25rem;
    color: var(--qcm-hub-primary);
    opacity: 0;
    transform: translateX(-4px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.qcm-internal-card:hover .qcm-internal-card__arrow {
    opacity: 1;
    transform: translateX(0);
}

.qcm-internal-card--private .qcm-internal-card__arrow {
    color: var(--qcm-hub-text-muted);
}

/* Dark mode */
[data-theme="dark"] .qcm-internal-card {
    background: var(--qcm-hub-surface);
    border-color: var(--qcm-hub-border);
}

[data-theme="dark"] .qcm-internal-card--private {
    background: linear-gradient(135deg, var(--qcm-hub-surface) 0%, rgba(30, 41, 59, 0.5) 100%);
    border-color: rgba(71, 85, 105, 0.3);
}

[data-theme="dark"] .qcm-internal-card--cta {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);
    border-color: rgba(99, 102, 241, 0.4);
}

/* Responsive */
@media (max-width: 640px) {
    .qcm-cards-grid--internal {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .qcm-internal-card {
        padding: 1.25rem;
        gap: 1rem;
    }
    
    .qcm-internal-card__icon-wrapper {
        width: 48px;
        height: 48px;
    }
    
    .qcm-internal-card__icon {
        font-size: 1.5rem;
    }
    
    .qcm-internal-card__title {
        font-size: 1rem;
    }
    
    .qcm-internal-card__description {
        font-size: 0.8125rem;
    }
}

/* ══════════════════════════════════════════════════════════════════════
   RESPONSIVE HARMONISED CARDS
   ══════════════════════════════════════════════════════════════════════ */
@media (max-width: 640px) {
    .qcm-cards-grid--qcms {
        grid-template-columns: 1fr;
    }
    
    .qcm-cards-grid--subjects {
        grid-template-columns: 1fr;
    }
    
    .qcm-card--qcm {
        min-height: auto;
        padding: 1.5rem;
    }
    
    .qcm-subject-card {
        min-height: auto;
        padding: 1.25rem;
    }
    
    .qcm-subject-card__icon {
        width: 48px;
        height: 48px;
        font-size: 1.75rem;
    }
    
    .qcm-level-card {
        min-height: auto;
        padding: 1.5rem;
    }
    
    .qcm-level-card__icon {
        width: 48px;
        height: 48px;
        font-size: 1.5rem;
    }
}

/* ══════════════════════════════════════════════════════════════════════
   MAILLAGE COCON - SECTION QCM FRÈRES
   ══════════════════════════════════════════════════════════════════════ */
.qcm-cocon-section {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 1px solid var(--qcm-hub-border);
    border-radius: var(--qcm-hub-radius);
    padding: 2rem;
    margin-top: 2rem;
}

.qcm-cocon-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.qcm-cocon-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.25rem;
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: var(--qcm-hub-radius-sm);
    text-decoration: none;
    transition: all 0.2s ease;
}

.qcm-cocon-card:hover {
    border-color: var(--qcm-hub-primary);
    transform: translateY(-2px);
    box-shadow: var(--qcm-hub-shadow);
}

.qcm-cocon-card__icon {
    font-size: 1.5rem;
}

.qcm-cocon-card__title {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--qcm-hub-text);
    text-align: center;
    line-height: 1.3;
}

.qcm-cocon-card__meta {
    font-size: 0.75rem;
    color: var(--qcm-hub-text-muted);
}

.qcm-cocon-progress {
    margin-top: 1.5rem;
    padding: 1rem;
    background: rgba(16, 185, 129, 0.1);
    border-radius: var(--qcm-hub-radius-sm);
    color: var(--qcm-hub-text);
    font-size: 0.9rem;
    text-align: center;
}

/* Difficulty badges */
.qcm-difficulty-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-left: 0.5rem;
}

.qcm-difficulty-badge--debutant {
    background: rgba(16, 185, 129, 0.15);
    color: #059669;
}

.qcm-difficulty-badge--intermediaire {
    background: rgba(245, 158, 11, 0.15);
    color: #d97706;
}

.qcm-difficulty-badge--avance {
    background: rgba(239, 68, 68, 0.15);
    color: #dc2626;
}

/* Responsive cocon */
@media (max-width: 640px) {
    .qcm-cocon-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .qcm-cocon-card {
        padding: 1rem;
    }
    
    .qcm-cocon-card__title {
        font-size: 0.8rem;
    }
}

/* ==========================================
   SECTIONS ENRICHIES - CONTENU SEO
========================================== */

/* Section intro enrichie */
.qcm-intro-text {
    margin-bottom: 2rem;
}

.qcm-intro-text p {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--qcm-hub-text-secondary);
    margin: 0 0 1.5rem;
}

.qcm-intro-text p:last-child {
    margin-bottom: 0;
}

.qcm-intro-text strong {
    color: var(--qcm-hub-text);
    font-weight: 600;
}

/* Section matières */
.qcm-hub-section--matieres {
    background: var(--qcm-hub-surface);
    border-radius: var(--qcm-hub-radius);
    padding: 2.5rem;
    margin: 2rem 0;
    box-shadow: var(--qcm-hub-shadow);
}

.qcm-matieres-content {
    max-width: 900px;
    margin: 0 auto;
}

.qcm-matieres-content p {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--qcm-hub-text-secondary);
    margin: 0 0 1.5rem;
}

.qcm-matieres-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--qcm-hub-text);
    margin: 2rem 0 1rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--qcm-hub-border);
}

.qcm-matieres-content h3:first-of-type {
    margin-top: 1rem;
    padding-top: 0;
    border-top: none;
}

.qcm-matieres-content strong {
    color: var(--qcm-hub-text);
    font-weight: 600;
}

/* Section niveaux */
.qcm-hub-section--niveaux {
    background: var(--qcm-hub-bg);
    padding: 2.5rem;
    border-radius: var(--qcm-hub-radius);
    margin: 2rem 0;
}

.qcm-niveaux-content {
    max-width: 900px;
    margin: 0 auto;
}

.qcm-niveau-block {
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: var(--qcm-hub-radius-sm);
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.qcm-niveau-block:last-child {
    margin-bottom: 0;
}

.qcm-niveau-block h3 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--qcm-hub-text);
    margin: 0 0 1rem;
}

.qcm-niveau-block p {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--qcm-hub-text-secondary);
    margin: 0 0 1rem;
}

.qcm-niveau-block p:last-child {
    margin-bottom: 0;
}

.qcm-niveau-block strong {
    color: var(--qcm-hub-text);
    font-weight: 600;
}

/* Section méthodologie */
.qcm-hub-section--methodologie {
    background: var(--qcm-hub-surface);
    border-radius: var(--qcm-hub-radius);
    padding: 2.5rem;
    margin: 2rem 0;
    box-shadow: var(--qcm-hub-shadow);
}

.qcm-methodologie-content {
    max-width: 900px;
    margin: 0 auto;
}

.qcm-methodologie-content > p {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--qcm-hub-text-secondary);
    margin: 0 0 2rem;
}

.qcm-methodologie-content h3 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--qcm-hub-text);
    margin: 2rem 0 1rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--qcm-hub-border);
}

.qcm-methodologie-content h3:first-of-type {
    margin-top: 1rem;
    padding-top: 0;
    border-top: none;
}

.qcm-methodologie-content p {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--qcm-hub-text-secondary);
    margin: 0 0 1.5rem;
}

.qcm-methodologie-content strong {
    color: var(--qcm-hub-text);
    font-weight: 600;
}

.qcm-methodologie-content em {
    font-style: italic;
    color: var(--qcm-hub-text-secondary);
}

/* Section statistiques */
.qcm-hub-section--stats {
    background: linear-gradient(135deg, var(--qcm-hub-primary) 0%, var(--qcm-hub-primary-dark) 100%);
    border-radius: var(--qcm-hub-radius);
    padding: 3rem 2.5rem;
    margin: 2rem 0;
    color: white;
}

.qcm-stats-content {
    max-width: 1000px;
    margin: 0 auto;
}

.qcm-stats-content > p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.95);
    margin: 0 0 2rem;
    text-align: center;
}

.qcm-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.qcm-stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--qcm-hub-radius-sm);
    padding: 1.5rem;
    text-align: center;
}

.qcm-stat-card__value {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

.qcm-stat-card__label {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 0.75rem;
}

.qcm-stat-card__desc {
    font-size: 0.875rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
}

/* Section crédibilité enrichie */
.qcm-credibility-intro {
    margin-bottom: 2rem;
}

.qcm-credibility-intro p {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--qcm-hub-text-secondary);
    margin: 0 0 1.5rem;
}

.qcm-credibility-point {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: var(--qcm-hub-radius-sm);
    margin-bottom: 1rem;
}

.qcm-credibility-point:last-child {
    margin-bottom: 0;
}

.qcm-credibility-point > span {
    font-size: 1.5rem;
    color: var(--qcm-hub-primary);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.qcm-credibility-point > div {
    flex: 1;
}

.qcm-credibility-point strong {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: var(--qcm-hub-text);
    margin-bottom: 0.5rem;
}

.qcm-credibility-point p {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--qcm-hub-text-secondary);
    margin: 0;
}

/* Section usage modes enrichie */
.qcm-usage-modes__intro {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--qcm-hub-text-secondary);
    margin: 0 0 2rem;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.qcm-mode-card p {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--qcm-hub-text-secondary);
    margin: 0.5rem 0 0;
}

.qcm-mode-card strong {
    color: var(--qcm-hub-text);
    font-weight: 600;
}

/* Responsive */
@media (max-width: 900px) {
    .qcm-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .qcm-hub-section--matieres,
    .qcm-hub-section--methodologie,
    .qcm-hub-section--niveaux {
        padding: 1.5rem;
    }
}

@media (max-width: 600px) {
    .qcm-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .qcm-niveau-block {
        padding: 1.5rem;
    }
    
    .qcm-credibility-point {
        flex-direction: column;
        text-align: center;
    }
}

/* ==========================================
   CONTENU ACADÉMIQUE - Styles universitaires
   Pour le contenu SEO de qualité par chapitre
========================================== */

.qcm-hub-section--academic-content {
    margin-top: 3rem;
    margin-bottom: 2rem;
}

/* Header avec titre aligné sur les autres sections */
.qcm-hub-section--academic-content .qcm-hub-section__header {
    margin-bottom: 1.5rem;
}

.qcm-hub-section--academic-content .qcm-hub-section__title {
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--qcm-hub-text);
    margin: 0;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.qcm-hub-section--academic-content .qcm-hub-section__title::before {
    content: '';
    width: 4px;
    height: 1.2em;
    background: linear-gradient(180deg, #6366f1 0%, #8b5cf6 100%);
    border-radius: 4px;
    flex-shrink: 0;
}

.qcm-hub-section--academic-content .qcm-hub-section__subtitle {
    color: var(--qcm-hub-text-secondary);
    margin: 0.5rem 0 0;
    font-size: 1rem;
    line-height: 1.6;
}

.qcm-academic-content {
    background: var(--qcm-hub-surface);
    border-radius: var(--qcm-hub-radius);
    border: 1px solid var(--qcm-hub-border);
    padding: 2.5rem;
    box-shadow: var(--qcm-hub-shadow);
}

/* Suppression de l'ancien titre interne */
.qcm-academic__title {
    display: none;
}

.qcm-academic__title-legacy {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--qcm-hub-text);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--qcm-hub-primary);
}

.qcm-academic__intro {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--qcm-hub-text);
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
    border-radius: var(--qcm-hub-radius-sm);
    border-left: 4px solid var(--qcm-hub-primary);
}

.qcm-academic__intro p {
    margin: 0;
}

.qcm-academic__section {
    margin-bottom: 2.5rem;
}

.qcm-academic__section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--qcm-hub-text);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.qcm-academic__section > p {
    color: var(--qcm-hub-text-secondary);
    margin-bottom: 1rem;
    font-size: 0.9375rem;
}

.qcm-academic__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.qcm-academic__list li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: 0.75rem;
    line-height: 1.6;
    color: var(--qcm-hub-text);
}

.qcm-academic__list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--qcm-hub-l2);
    font-weight: 600;
}

/* Définitions académiques */
.qcm-academic__definitions {
    display: grid;
    gap: 1.25rem;
    margin: 0;
}

.qcm-academic__definitions dt {
    font-weight: 600;
    color: var(--qcm-hub-primary);
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.qcm-academic__definitions dd {
    margin: 0;
    padding-left: 1rem;
    border-left: 2px solid var(--qcm-hub-border);
    color: var(--qcm-hub-text-secondary);
    line-height: 1.6;
    font-size: 0.9375rem;
}

/* Plan du cours */
.qcm-academic__plan {
    counter-reset: plan-counter;
    list-style: none;
    padding: 0;
    margin: 0;
}

.qcm-academic__plan li {
    counter-increment: plan-counter;
    position: relative;
    padding-left: 2.5rem;
    margin-bottom: 0.75rem;
    line-height: 1.6;
    color: var(--qcm-hub-text);
}

.qcm-academic__plan li::before {
    content: counter(plan-counter);
    position: absolute;
    left: 0;
    width: 1.75rem;
    height: 1.75rem;
    background: var(--qcm-hub-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Auteurs */
.qcm-academic__authors {
    display: grid;
    gap: 1rem;
}

.qcm-academic__author {
    display: flex;
    gap: 0.5rem;
    padding: 1rem;
    background: var(--qcm-hub-bg);
    border-radius: var(--qcm-hub-radius-sm);
    border: 1px solid var(--qcm-hub-border);
}

.qcm-academic__author strong {
    color: var(--qcm-hub-text);
    white-space: nowrap;
}

.qcm-academic__author span {
    color: var(--qcm-hub-text-secondary);
    font-size: 0.9375rem;
}

/* Pièges / Warnings */
.qcm-academic__warnings {
    background: rgba(239, 68, 68, 0.05);
    padding: 1.5rem;
    border-radius: var(--qcm-hub-radius-sm);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.qcm-academic__warnings h3 {
    color: #dc2626;
}

.qcm-academic__warnings ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.qcm-academic__warnings li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: 0.75rem;
    line-height: 1.6;
    color: var(--qcm-hub-text);
}

.qcm-academic__warnings li::before {
    content: "✗";
    position: absolute;
    left: 0;
    color: #dc2626;
    font-weight: 600;
}

/* Difficulté */
.qcm-academic__difficulty {
    padding: 1rem 1.5rem;
    background: var(--qcm-hub-bg);
    border-radius: var(--qcm-hub-radius-sm);
    text-align: center;
}

.qcm-academic__difficulty p {
    margin: 0;
    font-size: 1rem;
}

/* Responsive Academic Content */
@media (max-width: 768px) {
    .qcm-academic-content {
        padding: 1.5rem;
    }
    
    .qcm-academic__title {
        font-size: 1.5rem;
    }
    
    .qcm-academic__intro {
        font-size: 1rem;
        padding: 1rem;
    }
    
    .qcm-academic__author {
        flex-direction: column;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   NOTION ACADEMIC CONTENT - Enhanced Styling
   ═══════════════════════════════════════════════════════════════════════════ */

/* Objectives list styling */
.qcm-academic__objectives {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.75rem;
}

.qcm-academic__objectives li {
    position: relative;
    padding: 1rem 1.25rem 1rem 3rem;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), rgba(5, 150, 105, 0.08));
    border: 1px solid rgba(16, 185, 129, 0.15);
    border-radius: 12px;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--qcm-hub-text);
    transition: all 0.25s ease;
}

.qcm-academic__objectives li:hover {
    border-color: rgba(16, 185, 129, 0.35);
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.1);
}

.qcm-academic__objectives li::before {
    content: '🎯';
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1rem;
}

/* Authors references grid */
.qcm-academic__authors {
    display: grid;
    gap: 1rem;
}

.qcm-academic__author {
    display: flex;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: 12px;
    transition: all 0.25s ease;
}

.qcm-academic__author:hover {
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.1);
}

.qcm-academic__author strong {
    flex-shrink: 0;
    min-width: 140px;
    color: var(--qcm-hub-primary);
    font-weight: 600;
}

.qcm-academic__author span {
    color: var(--qcm-hub-text-secondary);
    line-height: 1.6;
    font-size: 0.9375rem;
}

/* Warnings section styling */
.qcm-academic__warnings {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.05), rgba(217, 119, 6, 0.08));
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.qcm-academic__warnings h3 {
    color: var(--qcm-hub-text);
    margin-bottom: 1.25rem;
}

.qcm-academic__warnings ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.75rem;
}

.qcm-academic__warnings li {
    position: relative;
    padding: 0.875rem 1rem 0.875rem 2.75rem;
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.15);
    border-radius: 10px;
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--qcm-hub-text);
    transition: all 0.2s ease;
}

.qcm-academic__warnings li:hover {
    background: rgba(245, 158, 11, 0.12);
    border-color: rgba(245, 158, 11, 0.3);
}

.qcm-academic__warnings li::before {
    content: '⚠️';
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1rem;
}

/* Questions types styling */
.qcm-academic__questions-types {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.75rem;
}

.qcm-academic__questions-types li {
    position: relative;
    padding: 1rem 1.25rem 1rem 3rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.03), rgba(139, 92, 246, 0.06));
    border: 1px solid var(--qcm-hub-border);
    border-radius: 12px;
    font-size: 0.95rem;
    font-style: italic;
    line-height: 1.6;
    color: var(--qcm-hub-text);
    transition: all 0.25s ease;
}

.qcm-academic__questions-types li:hover {
    border-color: rgba(99, 102, 241, 0.25);
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.08);
}

.qcm-academic__questions-types li::before {
    content: '📝';
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1rem;
    font-style: normal;
}

/* Academic content section wrapper */
.qcm-hub-section--academic-content {
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: 24px;
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

.qcm-hub-section--academic-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #6366f1 0%, #8b5cf6 35%, #a855f7 70%, #10b981 100%);
}

/* Responsive adjustments for academic content */
@media (max-width: 768px) {
    .qcm-hub-section--academic-content {
        padding: 1.5rem;
    }
    
    .qcm-academic__author {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .qcm-academic__author strong {
        min-width: auto;
    }
    
    .qcm-academic__objectives li,
    .qcm-academic__questions-types li {
        padding-left: 2.5rem;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   NOTION ACADEMIC CONTENT - Concepts Cards
   ═══════════════════════════════════════════════════════════════════════════ */

.qcm-academic__concepts {
    display: grid;
    gap: 1.5rem;
}

.qcm-academic__concept-card {
    background: var(--qcm-hub-surface);
    border: 1px solid var(--qcm-hub-border);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.25s ease;
}

.qcm-academic__concept-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.1);
}

.qcm-academic__concept-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--qcm-hub-primary);
    margin: 0 0 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid rgba(99, 102, 241, 0.15);
}

.qcm-academic__concept-def,
.qcm-academic__concept-intuition,
.qcm-academic__concept-formula,
.qcm-academic__concept-app {
    margin-bottom: 0.75rem;
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--qcm-hub-text-secondary);
}

.qcm-academic__concept-def strong,
.qcm-academic__concept-intuition strong,
.qcm-academic__concept-formula strong,
.qcm-academic__concept-app strong {
    color: var(--qcm-hub-text);
    font-weight: 600;
}

.qcm-academic__concept-formula code {
    background: rgba(99, 102, 241, 0.08);
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.875rem;
    color: var(--qcm-hub-primary);
}

.qcm-academic__concept-app {
    padding-top: 0.5rem;
    border-top: 1px dashed var(--qcm-hub-border);
    margin-top: 0.5rem;
    margin-bottom: 0;
}

/* Trap Cards - Enhanced */
.qcm-academic__traps {
    display: grid;
    gap: 1rem;
}

.qcm-academic__trap-card {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.03), rgba(217, 119, 6, 0.06));
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: 12px;
    padding: 1.25rem;
    transition: all 0.2s ease;
}

.qcm-academic__trap-card:hover {
    border-color: rgba(245, 158, 11, 0.4);
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.1);
}

.qcm-academic__trap-error,
.qcm-academic__trap-why,
.qcm-academic__trap-how {
    margin-bottom: 0.75rem;
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--qcm-hub-text);
}

.qcm-academic__trap-how {
    margin-bottom: 0;
}

.trap-label {
    font-weight: 600;
    display: inline-block;
    margin-right: 0.25rem;
}

.qcm-academic__trap-error .trap-label {
    color: #ef4444;
}

.qcm-academic__trap-why .trap-label {
    color: #f59e0b;
}

.qcm-academic__trap-how .trap-label {
    color: #10b981;
}

.qcm-academic__trap-simple {
    padding: 0.875rem 1rem;
    background: rgba(245, 158, 11, 0.08);
    border-radius: 8px;
    font-size: 0.9375rem;
    line-height: 1.6;
    display: flex;
    gap: 0.5rem;
    align-items: flex-start;
}

/* Summary Box - À retenir */
.qcm-academic__summary {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), rgba(5, 150, 105, 0.08));
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.qcm-academic__summary h3 {
    color: #059669;
}

.qcm-academic__summary-box {
    background: var(--qcm-hub-surface);
    border-radius: 12px;
    padding: 1.5rem;
    border-left: 4px solid #10b981;
}

.qcm-academic__summary-box p {
    margin: 0;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--qcm-hub-text);
}

/* Internal Links Section */
.qcm-academic__links {
    background: var(--qcm-hub-bg);
    padding: 1.5rem;
    border-radius: 16px;
}

.qcm-academic__internal-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.qcm-inline-link--primary {
    background: var(--qcm-hub-primary) !important;
    color: white !important;
    border-color: var(--qcm-hub-primary) !important;
}

.qcm-inline-link--primary:hover {
    background: #4f46e5 !important;
    transform: translateY(-2px);
}

/* Questions types - Ordered list style */
.qcm-academic__questions-types {
    counter-reset: question-counter;
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.75rem;
}

.qcm-academic__questions-types li {
    counter-increment: question-counter;
    position: relative;
    padding: 1rem 1.25rem 1rem 3.5rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.03), rgba(139, 92, 246, 0.06));
    border: 1px solid var(--qcm-hub-border);
    border-radius: 12px;
    font-size: 0.95rem;
    font-style: italic;
    line-height: 1.6;
    color: var(--qcm-hub-text);
    transition: all 0.25s ease;
}

.qcm-academic__questions-types li:hover {
    border-color: rgba(99, 102, 241, 0.25);
    transform: translateX(4px);
}

.qcm-academic__questions-types li::before {
    content: "Q" counter(question-counter);
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    font-style: normal;
}

/* Responsive */
@media (max-width: 768px) {
    .qcm-academic__internal-links {
        flex-direction: column;
    }
    
    .qcm-academic__concept-card {
        padding: 1rem;
    }
    
    .qcm-academic__trap-card {
        padding: 1rem;
    }
}