@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Fira+Code:wght@400;500&display=swap');

:root {
  --bg: #0f1117;
  --surface: #161b27;
  --surface-2: #1e2535;
  --surface-3: #252d3d;
  --border: rgba(255,255,255,.08);
  --border-2: rgba(255,255,255,.14);
  --text: #e8eaf2;
  --text-2: #9aa3b8;
  --text-3: #5d6680;
  --primary: #3b82f6;
  --primary-glow: rgba(59,130,246,.15);
  --accent: #06b6d4;
  --green: #10b981;
  --green-glow: rgba(16,185,129,.12);
  --orange: #f59e0b;
  --orange-glow: rgba(245,158,11,.12);
  --red: #ef4444;
  --red-glow: rgba(239,68,68,.1);
  --purple: #8b5cf6;
  --purple-glow: rgba(139,92,246,.12);
  --radius: 14px;
  --radius-sm: 8px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

/* ── LAYOUT ── */
.lv2-page {
  display: grid;
  grid-template-columns: 260px 1fr;
  grid-template-rows: 56px 1fr;
  min-height: 100vh;
}

/* ── TOPBAR ── */
.lv2-topbar {
  grid-column: 1 / -1;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.lv2-topbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lv2-logo {
  font-size: 13px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -.3px;
}

.lv2-topbar-sep {
  width: 1px;
  height: 18px;
  background: var(--border-2);
}

.lv2-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-3);
}

.lv2-breadcrumb span { color: var(--text-2); }
.lv2-breadcrumb .lv2-bc-curr { color: var(--text); font-weight: 600; }

.lv2-topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lv2-progress-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 11px;
  color: var(--text-2);
}

.lv2-progress-chip .lv2-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
}

.lv2-btn-nav {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-2);
  background: var(--surface-2);
  color: var(--text-2);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
}

.lv2-btn-nav:hover { border-color: var(--primary); color: var(--primary); }
.lv2-btn-nav.lv2-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}
.lv2-btn-nav.lv2-primary:hover { background: #2563eb; }

/* ── SIDEBAR ── */
.lv2-sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.lv2-sidebar-title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--text-3);
  padding: 0 8px 10px;
}

.lv2-nav-section {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--text-3);
  padding: 14px 8px 6px;
}

.lv2-nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  color: var(--text-2);
  transition: all .12s;
  position: relative;
}

.lv2-nav-item:hover { background: var(--surface-2); color: var(--text); }

.lv2-nav-item.lv2-active {
  background: var(--primary-glow);
  color: var(--primary);
  font-weight: 600;
}

.lv2-nav-item.lv2-active::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 3px; height: 20px;
  background: var(--primary);
  border-radius: 0 3px 3px 0;
}

.lv2-nav-item .lv2-num {
  width: 20px; height: 20px;
  border-radius: 6px;
  background: var(--surface-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
}

.lv2-nav-item.lv2-active .lv2-num {
  background: var(--primary);
  color: white;
}

.lv2-nav-item.lv2-done .lv2-num {
  background: var(--green);
  color: white;
}

.lv2-nav-item.lv2-done { color: var(--text-3); }

/* ── MAIN CONTENT ── */
.lv2-main {
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

/* ── LESSON HERO ── */
.lv2-lesson-hero {
  background: linear-gradient(135deg, var(--surface) 0%, #1a2035 100%);
  border-bottom: 1px solid var(--border);
  padding: 32px 40px 28px;
  position: relative;
  overflow: hidden;
}

.lv2-lesson-hero::before {
  content: '💻';
  position: absolute;
  right: 40px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 80px;
  opacity: .08;
}

.lv2-lesson-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--primary-glow);
  border: 1px solid rgba(59,130,246,.3);
  color: var(--primary);
  border-radius: 20px;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .6px;
  margin-bottom: 12px;
}

.lv2-lesson-title {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -.5px;
  line-height: 1.2;
  margin-bottom: 10px;
  color: var(--text);
}

.lv2-lesson-intro {
  font-size: 13px;
  color: var(--text-2);
  max-width: 600px;
  line-height: 1.7;
}

.lv2-lesson-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
}

.lv2-meta-chip {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--text-3);
}

/* ── PROGRESS BAR ── */
.lv2-lesson-progress {
  height: 3px;
  background: var(--surface-3);
  position: relative;
}

.lv2-lesson-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  width: 0%;
  transition: width .6s ease;
}

/* ── CONTENT AREA ── */
.lv2-content-area {
  flex: 1;
  padding: 32px 40px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 860px;
}

/* ── SECTION CARDS ── */
.lv2-section-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .2s;
}

.lv2-section-card:hover { border-color: var(--border-2); }

.lv2-section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  cursor: pointer;
  user-select: none;
}

.lv2-section-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.lv2-icon-blue { background: var(--primary-glow); }
.lv2-icon-green { background: var(--green-glow); }
.lv2-icon-orange { background: var(--orange-glow); }
.lv2-icon-red { background: var(--red-glow); }
.lv2-icon-purple { background: var(--purple-glow); }
.lv2-icon-cyan { background: rgba(6,182,212,.12); }
.lv2-icon-pink { background: rgba(236,72,153,.12); }

.lv2-section-title {
  font-size: 15px;
  font-weight: 700;
  flex: 1;
}

.lv2-section-badge {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 20px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .4px;
}

.lv2-badge-key { background: rgba(245,158,11,.15); color: var(--orange); }
.lv2-badge-new { background: rgba(16,185,129,.15); color: var(--green); }
.lv2-badge-imp { background: rgba(239,68,68,.15); color: var(--red); }

.lv2-section-toggle {
  color: var(--text-3);
  font-size: 14px;
  transition: transform .25s;
}

.lv2-section-card.lv2-open .lv2-section-toggle { transform: rotate(180deg); }

.lv2-section-body {
  display: none;
  padding: 0 20px 20px;
}

.lv2-section-card.lv2-open .lv2-section-body { display: block; }

/* ── SUBSECTIONS ── */
.lv2-subsection {
  margin-bottom: 16px;
}

.lv2-subsection:last-child { margin-bottom: 0; }

.lv2-subsection-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--text-3);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.lv2-subsection-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── GRID ITEMS ── */
.lv2-items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
}

.lv2-item-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  transition: all .15s;
}

.lv2-item-card:hover {
  border-color: var(--border-2);
  background: var(--surface-3);
  transform: translateY(-1px);
}

.lv2-item-card-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.lv2-item-card-desc {
  font-size: 11px;
  color: var(--text-2);
  line-height: 1.5;
}

/* ── LIST ITEMS ── */
.lv2-list-items {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.lv2-list-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 12px;
  line-height: 1.5;
  transition: border-color .12s;
}

.lv2-list-item:hover { border-color: var(--border-2); }

.lv2-list-item .lv2-li-icon {
  width: 22px; height: 22px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 1px;
}

.lv2-li-text strong { color: var(--text); font-weight: 700; }
.lv2-li-text { color: var(--text-2); }
.lv2-li-text em { color: var(--text-3); font-style: normal; }

/* ── THREAT CARDS ── */
.lv2-threat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.lv2-threat-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  border-left: 3px solid var(--red);
  transition: all .15s;
}

.lv2-threat-card:hover { background: var(--surface-3); }

.lv2-threat-name {
  font-size: 12px;
  font-weight: 700;
  color: var(--red);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.lv2-threat-desc {
  font-size: 11px;
  color: var(--text-2);
  line-height: 1.5;
}

/* ── PROTECTION CARDS ── */
.lv2-protection-card {
  border-left-color: var(--green);
}

.lv2-protection-card .lv2-threat-name {
  color: var(--green);
}

/* ── HIGHLIGHT BOX ── */
.lv2-highlight-box {
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin: 8px 0;
}

.lv2-highlight-warning {
  background: rgba(245,158,11,.08);
  border: 1px solid rgba(245,158,11,.25);
}

.lv2-highlight-info {
  background: rgba(59,130,246,.08);
  border: 1px solid rgba(59,130,246,.2);
}

.lv2-highlight-success {
  background: var(--green-glow);
  border: 1px solid rgba(16,185,129,.25);
}

.lv2-highlight-danger {
  background: var(--red-glow);
  border: 1px solid rgba(239,68,68,.2);
}

.lv2-highlight-icon { font-size: 18px; flex-shrink: 0; margin-top: 1px; }
.lv2-highlight-content { flex: 1; }
.lv2-highlight-title {
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 4px;
}
.lv2-highlight-text {
  font-size: 12px;
  color: var(--text-2);
  line-height: 1.6;
}

/* ── CHECKLIST ── */
.lv2-checklist {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.lv2-check-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-2);
  cursor: pointer;
  transition: all .15s;
  user-select: none;
}

.lv2-check-item:hover { border-color: var(--green); }
.lv2-check-item.lv2-checked { border-color: var(--green); background: var(--green-glow); }
.lv2-check-item.lv2-checked .lv2-check-box { background: var(--green); border-color: var(--green); }
.lv2-check-item.lv2-checked .lv2-check-box::after { display: block; }
.lv2-check-item.lv2-checked span { color: var(--text); }

.lv2-check-box {
  width: 18px; height: 18px;
  border-radius: 5px;
  border: 1.5px solid var(--border-2);
  flex-shrink: 0;
  position: relative;
  transition: all .15s;
}

.lv2-check-box::after {
  content: '✓';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: 10px;
  color: white;
  font-weight: 700;
  display: none;
}

/* ── RGPD TIMELINE ── */
.lv2-rgpd-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.lv2-rgpd-item {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  border-top: 2px solid var(--accent);
}

.lv2-rgpd-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--accent);
  margin-bottom: 4px;
}

.lv2-rgpd-value {
  font-size: 12px;
  color: var(--text-2);
  line-height: 1.5;
}

/* ── STAT CHIPS ── */
.lv2-stat-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.lv2-stat-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 5px 12px;
  font-size: 11px;
}

.lv2-stat-chip .lv2-val {
  font-weight: 800;
  color: var(--primary);
}

/* ── RETENIR BOX ── */
.lv2-retenir-box {
  background: linear-gradient(135deg, 
    rgba(59,130,246,.1) 0%, 
    rgba(139,92,246,.08) 100%);
  border: 1px solid rgba(59,130,246,.25);
  border-radius: var(--radius);
  padding: 20px;
  margin-top: 8px;
}

.lv2-retenir-title {
  font-size: 13px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.lv2-retenir-items {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.lv2-retenir-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-2);
}

.lv2-retenir-item::before {
  content: '→';
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
}

/* ── QCM FLASH ── */
.lv2-qcm-flash {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-top: 8px;
}

.lv2-qcm-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--text-3);
  margin-bottom: 12px;
}

.lv2-qcm-question {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}

.lv2-qcm-options {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.lv2-qcm-option {
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  background: var(--surface-3);
  font-size: 12px;
  color: var(--text-2);
  cursor: pointer;
  transition: all .15s;
}

.lv2-qcm-option:hover { border-color: var(--primary); color: var(--text); }
.lv2-qcm-option.lv2-correct { border-color: var(--green); background: var(--green-glow); color: var(--green); }
.lv2-qcm-option.lv2-wrong { border-color: var(--red); background: var(--red-glow); color: var(--red); }

/* ── FOOTER ACTIONS ── */
.lv2-lesson-footer {
  padding: 20px 40px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: sticky;
  bottom: 0;
}

.lv2-footer-left { font-size: 12px; color: var(--text-3); }

.lv2-footer-right { display: flex; gap: 8px; align-items: center; }

.lv2-btn-done {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--green);
  border: none;
  border-radius: var(--radius-sm);
  color: white;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all .15s;
}

.lv2-btn-done:hover { background: #059669; transform: translateY(-1px); }

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.lv2-section-card {
  animation: fadeUp .4s ease both;
}

.lv2-section-card:nth-child(1) { animation-delay: .05s; }
.lv2-section-card:nth-child(2) { animation-delay: .1s; }
.lv2-section-card:nth-child(3) { animation-delay: .15s; }
.lv2-section-card:nth-child(4) { animation-delay: .2s; }
.lv2-section-card:nth-child(5) { animation-delay: .25s; }
.lv2-section-card:nth-child(6) { animation-delay: .3s; }
.lv2-section-card:nth-child(7) { animation-delay: .35s; }

/* ── LEGACY LESSON CLASSES (pour compatibilité M02) ── */
.lesson-content h2 { 
  font-family: 'Plus Jakarta Sans', sans-serif; 
  font-size: 19px; 
  font-weight: 800; 
  margin-bottom: 18px; 
  line-height: 1.3; 
}

.lesson-content h3 { 
  font-family: 'Plus Jakarta Sans', sans-serif; 
  font-size: 15px; 
  font-weight: 700; 
  margin: 22px 0 10px; 
}

.lesson-content p { 
  font-size: 14px; 
  line-height: 1.85; 
  color: var(--text-2); 
  margin-bottom: 14px; 
}

.lesson-content strong { 
  color: var(--text); 
  font-weight: 700; 
}

.lesson-content ul, .lesson-content ol { 
  padding-left: 20px; 
  margin-bottom: 14px; 
}

.lesson-content li { 
  font-size: 14px; 
  line-height: 1.75; 
  color: var(--text-2); 
  margin-bottom: 5px; 
}

.box-info { 
  background: rgba(59,130,246,.08); 
  border-left: 3px solid var(--primary); 
  border-radius: 0 9px 9px 0; 
  padding: 14px 18px; 
  margin: 16px 0; 
}

.box-info .bl { 
  font-size: 10px; 
  font-weight: 800; 
  text-transform: uppercase; 
  letter-spacing: .5px; 
  color: var(--primary); 
  margin-bottom: 5px; 
}

.box-danger { 
  background: rgba(239,68,68,.08); 
  border-left: 3px solid var(--red); 
  border-radius: 0 9px 9px 0; 
  padding: 14px 18px; 
  margin: 16px 0; 
}

.box-danger .bl { 
  font-size: 10px; 
  font-weight: 800; 
  text-transform: uppercase; 
  letter-spacing: .5px; 
  color: var(--red); 
  margin-bottom: 5px; 
}

.box-success { 
  background: rgba(16,185,129,.08); 
  border-left: 3px solid var(--green); 
  border-radius: 0 9px 9px 0; 
  padding: 14px 18px; 
  margin: 16px 0; 
}

.box-success .bl { 
  font-size: 10px; 
  font-weight: 800; 
  text-transform: uppercase; 
  letter-spacing: .5px; 
  color: var(--green); 
  margin-bottom: 5px; 
}

.box-gold { 
  background: rgba(245,158,11,.08); 
  border-left: 3px solid var(--orange); 
  border-radius: 0 9px 9px 0; 
  padding: 14px 18px; 
  margin: 16px 0; 
}

.box-gold .bl { 
  font-size: 10px; 
  font-weight: 800; 
  text-transform: uppercase; 
  letter-spacing: .5px; 
  color: var(--orange); 
  margin-bottom: 5px; 
}

/* ── CARTES MODERNES ── */
.lv2-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin: 16px 0;
}

.lv2-content-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.lv2-content-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--indigo));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.lv2-content-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
  border-color: var(--primary);
}

.lv2-content-card:hover::before {
  transform: scaleX(1);
}

.lv2-card-icon {
  font-size: 24px;
  margin-bottom: 8px;
  display: block;
}

.lv2-card-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
  line-height: 1.3;
}

.lv2-card-desc {
  font-size: 12px;
  color: var(--text-2);
  line-height: 1.5;
}

/* ── ITEMS GRID ── */
.lv2-items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
  margin: 16px 0;
}

.lv2-item-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  transition: all 0.3s ease;
}

.lv2-item-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.1);
  border-color: var(--primary);
}

.lv2-item-card-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  line-height: 1.3;
}

.lv2-item-card-desc {
  font-size: 12px;
  color: var(--text-2);
  line-height: 1.5;
}

/* ── THREAT GRID ── */
.lv2-threat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 12px;
  margin: 16px 0;
}

.lv2-threat-card {
  background: rgba(239,68,68,0.05);
  border: 1px solid rgba(239,68,68,0.2);
  border-radius: 12px;
  padding: 16px;
  transition: all 0.3s ease;
}

.lv2-threat-card:hover {
  background: rgba(239,68,68,0.08);
  border-color: var(--red);
  transform: translateY(-1px);
}

.lv2-threat-name {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--red);
  margin-bottom: 6px;
}

.lv2-threat-desc {
  font-size: 12px;
  color: var(--text-2);
  line-height: 1.5;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .lv2-page {
    flex-direction: column;
  }
  
  .lv2-sidebar {
    position: fixed;
    top: 0;
    left: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg);
    border-right: 1px solid var(--border);
    z-index: 1000;
    transition: left 0.3s ease;
    overflow-y: auto;
    padding: 20px;
  }
  
  .lv2-sidebar.lv2-mobile-open {
    left: 0;
  }
  
  .lv2-main {
    width: 100%;
    padding: 20px 16px;
  }
  
  .lv2-topbar {
    flex-direction: column;
    gap: 12px;
    padding: 16px;
  }
  
  .lv2-topbar-left {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  
  .lv2-topbar-right {
    flex-direction: row;
    gap: 8px;
  }
  
  .lv2-mobile-menu {
    display: block !important;
  }
  
  .lv2-cards-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  
  .lv2-items-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  
  .lv2-threat-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  
  .lv2-lesson-hero {
    padding: 24px 16px;
  }
  
  .lv2-lesson-title {
    font-size: 24px;
    line-height: 1.2;
  }
  
  .lv2-lesson-intro {
    font-size: 14px;
  }
  
  .lv2-lesson-meta {
    flex-wrap: wrap;
    gap: 6px;
  }
  
  .lv2-meta-chip {
    font-size: 11px;
    padding: 4px 8px;
  }
  
  .lv2-section-header {
    padding: 12px 16px;
  }
  
  .lv2-section-title {
    font-size: 14px;
  }
  
  .lv2-section-body {
    padding: 16px;
  }
  
  .lv2-subsection-title {
    font-size: 13px;
  }
  
  .lv2-content-card {
    padding: 12px;
  }
  
  .lv2-card-icon {
    font-size: 20px;
  }
  
  .lv2-card-title {
    font-size: 13px;
  }
  
  .lv2-card-desc {
    font-size: 11px;
  }
  
  .lv2-item-card {
    padding: 12px;
  }
  
  .lv2-item-card-title {
    font-size: 12px;
  }
  
  .lv2-item-card-desc {
    font-size: 11px;
  }
  
  .lv2-threat-card {
    padding: 12px;
  }
  
  .lv2-threat-name {
    font-size: 13px;
  }
  
  .lv2-threat-desc {
    font-size: 11px;
  }
  
  .lv2-retenir-box {
    padding: 16px;
  }
  
  .lv2-retenir-title {
    font-size: 14px;
  }
  
  .lv2-retenir-item {
    font-size: 12px;
    padding: 8px 12px;
  }
  
  .lv2-qcm-flash {
    padding: 16px;
  }
  
  .lv2-qcm-title {
    font-size: 14px;
  }
  
  .lv2-qcm-question {
    font-size: 13px;
  }
  
  .lv2-qcm-option {
    font-size: 12px;
    padding: 10px 12px;
  }
  
  .lv2-lesson-footer {
    flex-direction: column;
    gap: 16px;
    padding: 20px 16px;
  }
  
  .lv2-footer-right {
    flex-direction: column;
    gap: 8px;
    width: 100%;
  }
  
  .lv2-btn-nav,
  .lv2-btn-done {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .lv2-main {
    padding: 16px 12px;
  }
  
  .lv2-lesson-hero {
    padding: 20px 12px;
  }
  
  .lv2-lesson-title {
    font-size: 20px;
  }
  
  .lv2-lesson-intro {
    font-size: 13px;
  }
  
  .lv2-section-header {
    padding: 10px 12px;
  }
  
  .lv2-section-body {
    padding: 12px;
  }
  
  .lv2-content-card {
    padding: 10px;
  }
  
  .lv2-item-card {
    padding: 10px;
  }
  
  .lv2-threat-card {
    padding: 10px;
  }
  
  .lv2-retenir-box {
    padding: 12px;
  }
  
  .lv2-qcm-flash {
    padding: 12px;
  }
  
  .lv2-lesson-footer {
    padding: 16px 12px;
  }
}

/* ── CONTRASTES AMÉLIORÉS POUR L'ACCESSIBILITÉ ── */
@media (prefers-contrast: high) {
  .lv2-content-card {
    border-width: 2px;
  }
  
  .lv2-item-card {
    border-width: 2px;
  }
  
  .lv2-threat-card {
    border-width: 2px;
  }
  
  .lv2-card-desc {
    color: var(--text);
  }
  
  .lv2-item-card-desc {
    color: var(--text);
  }
  
  .lv2-threat-desc {
    color: var(--text);
  }
}

/* ── MODE JOUR/NUIT INTÉGRÉ ── */
[data-theme="light"] .lv2-content-card {
  background: #ffffff;
  border-color: #e2e8f0;
  color: #1a202c;
}

[data-theme="light"] .lv2-content-card:hover {
  border-color: #3b82f6;
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.15);
}

[data-theme="light"] .lv2-card-title {
  color: #1a202c;
}

[data-theme="light"] .lv2-card-desc {
  color: #4a5568;
}

[data-theme="light"] .lv2-item-card {
  background: #ffffff;
  border-color: #e2e8f0;
}

[data-theme="light"] .lv2-item-card:hover {
  border-color: #3b82f6;
}

[data-theme="light"] .lv2-item-card-title {
  color: #1a202c;
}

[data-theme="light"] .lv2-item-card-desc {
  color: #4a5568;
}

[data-theme="light"] .lv2-threat-card {
  background: rgba(254, 226, 226, 0.8);
  border-color: #f87171;
}

[data-theme="light"] .lv2-threat-card:hover {
  background: rgba(254, 226, 226, 1);
  border-color: #ef4444;
}

[data-theme="light"] .lv2-threat-name {
  color: #dc2626;
}

[data-theme="light"] .lv2-threat-desc {
  color: #4a5568;
}

/* ── MOBILE MENU BUTTON ── */
.lv2-mobile-menu {
  display: none;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.lv2-mobile-menu:hover {
  background: var(--primary-dark);
  transform: scale(1.05);
}

/* ── SMOOTH SCROLL ── */
html {
  scroll-behavior: smooth;
}

/* ── FOCUS STATES POUR ACCESSIBILITÉ ── */
.lv2-nav-item:focus,
.lv2-content-card:focus,
.lv2-item-card:focus,
.lv2-threat-card:focus,
.lv2-qcm-option:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ── REDUCTION MOTION ── */
@media (prefers-reduced-motion: reduce) {
  .lv2-content-card,
  .lv2-item-card,
  .lv2-threat-card,
  .lv2-nav-item,
  .lv2-section-header {
    transition: none;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .lv2-page { grid-template-columns: 1fr; }
  .lv2-sidebar { display: none; }
  .lv2-lesson-hero { padding: 20px; }
  .lv2-content-area { padding: 20px; }
  .lv2-threat-grid, .lv2-rgpd-grid, .lv2-retenir-items { grid-template-columns: 1fr; }
  .lv2-items-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .lv2-lesson-title { font-size: 20px; }
  .lv2-breadcrumb .lv2-bc-sep { display: none; }
  .lv2-breadcrumb span:not(.lv2-bc-curr) { display: none; }
}