/* =====================
   LAYOUT 3 COLONNES
   sidebar fixe | contenu 842px | aside popup fixe
===================== */

*, *::before, *::after { box-sizing: border-box; }


body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  --dot-color: #D1D5DB;
  --dot-size: 1.5px;
  --dot-space: 24px;
  background-color: #F3F4F6;
  background-image: radial-gradient(circle, var(--dot-color) var(--dot-size), transparent var(--dot-size));
  background-size: var(--dot-space) var(--dot-space);
}

/* Barre de progression scroll */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  background: #111118;
  z-index: 9999;
  width: 0%;
  transition: width 0.1s linear;
  pointer-events: none;
}

/* Contenu central */
.didacto-content {
  margin-left: 300px;
  margin-right: 468px;
  padding: 40px 0 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.didacto-content .page,
.didacto-hero,
.didacto-cta {
  flex-shrink: 0;
}

/* =====================
   SIDEBAR
===================== */
.didacto-nav {
  position: fixed;
  top: 0; left: 0;
  width: 300px;
  height: 100vh;
  background: #fff;
  border-right: 1px solid #E5E7EB;
  overflow-y: auto;
  z-index: 100;
  padding: 20px 0 40px;
  display: flex;
  flex-direction: column;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 20px 16px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #9CA3AF;
}

/* Selecteur de document */
.nav-doc-switcher {
  padding: 0 14px 12px;
  border-bottom: 1px solid #F3F4F6;
  margin-bottom: 8px;
}

.nav-doc-select {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid #E5E7EB;
  border-radius: 10px;
  background: #F3F4F6;
  color: #111118;
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  padding-right: 12px;
  transition: border-color 0.15s;
}

.nav-doc-select:focus {
  outline: none;
  border-color: #111118;
}

.nav-doc-label {
  display: block;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #9CA3AF;
  margin-bottom: 6px;
  padding: 0 2px;
}

.nav-logo-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #111118;
  flex-shrink: 0;
}

.nav-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 20px;
  text-decoration: none;
  color: #6B7280;
  font-size: 0.75rem;
  line-height: 1.4;
  transition: background 0.15s, color 0.15s;
  border-left: 3px solid transparent;
}

.nav-item:hover {
  background: #F3F4F6;
  color: #111118;
}

.nav-item.active {
  background: #F3F4F6;
  color: #111118;
  border-left-color: #111118;
  font-weight: 600;
}

.nav-num {
  font-size: 0.65rem;
  color: #D1D5DB;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
  transition: color 0.15s;
}

.nav-item.active .nav-num { color: #6B7280; }

.nav-name { flex: 1; }

.nav-edit-btn,
.nav-dl-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 0 12px 8px;
  padding: 8px 12px;
  border-radius: 8px;
  background: #111118;
  border: 1px solid #111118;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
  flex-shrink: 0;
}
.nav-edit-btn { margin-top: 12px; }
.nav-edit-btn:hover,
.nav-dl-btn:hover {
  background: #2D2D35;
  border-color: #2D2D35;
  color: #fff;
}

/* =====================
   ASIDE POPUP FIXE
===================== */
.didacto-aside {
  position: fixed;
  top: 0;
  right: 128px;
  width: 340px;
  height: 100vh;
  padding-top: 20px;
  padding-bottom: 40px;
  overflow-y: auto;
  z-index: 100;
  display: flex;
  align-items: center;
}

.didacto-aside-inner {
  width: calc(100% - 32px);
  margin: 0 16px;
  background: #fff;
  border: 1px solid #E5E7EB;
  border-left: 4px solid #111118;
  border-radius: 16px;
  padding: 24px 26px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.07);
  opacity: 0;
  transform: translateX(32px);
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.didacto-aside-inner.slide-out {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.didacto-aside-inner.slide-in {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

/* =====================
   CONTENU DES POPUPS
===================== */
.pop-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 14px;
  color: var(--doc-principale, #111118);
}

.pop-icon svg {
  width: 22px;
  height: 22px;
}
.pop-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #111118;
  margin-bottom: 10px;
  font-family: 'Inter', sans-serif;
  line-height: 1.3;
}
.pop-body {
  font-size: 0.9rem;
  color: #6B7280;
  line-height: 1.7;
  font-family: 'Inter', sans-serif;
}
.pop-body strong { color: #111118; }

.pop-tip {
  margin-top: 14px;
  padding: 10px 14px;
  background: #F3F4F6;
  border-left: 3px solid #111118;
  border-radius: 0 8px 8px 0;
  font-size: 0.85rem;
  color: #374151;
  line-height: 1.6;
  font-family: 'Inter', sans-serif;
}
.pop-warn {
  margin-top: 12px;
  padding: 10px 14px;
  background: #FFFBEB;
  border-left: 3px solid #F59E0B;
  border-radius: 0 8px 8px 0;
  font-size: 0.85rem;
  color: #92400E;
  line-height: 1.6;
  font-family: 'Inter', sans-serif;
}
.pop-badges {
  display: flex;
  gap: 5px;
  margin-top: 12px;
  flex-wrap: wrap;
}

/* =====================
   BADGES
===================== */
.badge-ok {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 999px;
  background: #E8F5E9;
  color: #2E7D32;
  border: 1px solid #A5D6A7;
  font-family: 'Inter', sans-serif;
  white-space: nowrap;
}
.badge-opt {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 999px;
  background: #F5F5F5;
  color: #616161;
  border: 1px solid #E0E0E0;
  font-family: 'Inter', sans-serif;
  white-space: nowrap;
}
.badge-inline {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 999px;
  vertical-align: middle;
  margin-left: 6px;
  font-family: 'Inter', sans-serif;
  pointer-events: none;
}
.badge-inline.ok  { background: #E8F5E9; color: #2E7D32; border: 1px solid #A5D6A7; }
.badge-inline.opt { background: #F5F5F5; color: #616161; border: 1px solid #E0E0E0; }

/* =====================
   LOADER
===================== */
#loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  gap: 16px;
  font-family: 'Inter', sans-serif;
  color: #6B7280;
  font-size: 0.9rem;
}
.loading-spinner {
  width: 36px; height: 36px;
  border: 3px solid #E5E7EB;
  border-top-color: #111118;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* =====================
   HERO DIDACTIQUE
===================== */
.didacto-hero {
  width: 842px;
  margin: 0 auto 48px;
  background: var(--doc-principale, #5C4EFA);
  border-radius: 20px;
  box-sizing: border-box;
  color: #fff;
  overflow: hidden;
}

.hero-body {
  display: flex;
  align-items: stretch;
  min-height: 100%;
}

.hero-main {
  flex: 3;
  padding: 56px 48px 48px 56px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero-logo-panel {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}

.hero-logo-panel img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  background: #fff;
  border-radius: 16px;
  padding: 16px;
}
.didacto-hero .hero-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--doc-fond, #F5F5F5);
  opacity: 0.9;
}
\.didacto-hero h1 {
  font-family: var(--police-titres, 'DM Serif Display', serif);
  font-size: 2.6rem;
  line-height: 1.15;
  margin: 0;
  color: #fff;
}
.didacto-hero .hero-desc {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.75);
  max-width: 520px;
  line-height: 1.6;
  margin: 0;
  border-left: 3px solid var(--doc-secondaire, #FF6B6B);
  padding-left: 14px;
}
.didacto-hero .hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.7rem;
  font-weight: 600;
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--doc-secondaire, #FF6B6B);
  border-radius: 999px;
  padding: 4px 12px;
  color: var(--doc-secondaire, #FF6B6B);
  width: fit-content;
  margin-top: 4px;
}

/* Bouton CTA dans le hero */
.didacto-hero .btn-figma:first-of-type {
  background: var(--doc-accent, #FFD93D);
  color: var(--doc-sur-accent, #111118);
  font-weight: 700;
}

/* =====================
   FOOTER PORTFOLIO
===================== */
.didacto-footer {
  width: 842px;
  margin: 24px auto 0;
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 0.75rem;
  color: #9CA3AF;
  font-family: 'Inter', sans-serif;
  border-top: 1px solid #E5E7EB;
}

.didacto-footer a {
  display: flex;
  align-items: center;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.didacto-footer a:hover { opacity: 1; }

#backToTop {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #111118;
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 200;
}
#backToTop::after {
  content: '';
  display: block;
  width: 10px;
  height: 10px;
  border-top: 2.5px solid #fff;
  border-right: 2.5px solid #fff;
  transform: rotate(-45deg) translate(1px, 2px);
}
#backToTop.visible {
  opacity: 1;
  pointer-events: auto;
}
#backToTop:hover { transform: translateY(-3px); }

/* =====================
   CTA FINAL
===================== */
.didacto-cta {
  width: 842px;
  margin: 48px auto 0;
  padding: 56px;
  background: #F9FAFB;
  border: 2px solid #E5E7EB;
  border-radius: 20px;
  box-sizing: border-box;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.didacto-cta .cta-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #9CA3AF;
}
.didacto-cta h2 {
  font-family: var(--police-titres, 'DM Serif Display', serif);
  font-size: 1.8rem;
  color: #111118;
  margin: 0;
}
.didacto-cta p {
  font-size: 0.875rem;
  color: #6B7280;
  max-width: 420px;
  line-height: 1.6;
  margin: 0;
}

/* =====================
   BOUTON FIGMA
===================== */
.btn-figma {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.12);
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 10px;
  text-decoration: none;
  transition: opacity 0.2s;
  border: none;
}
.btn-figma:hover { opacity: 0.85; }
.didacto-cta .btn-figma {
  background: #111118;
  color: #fff;
  margin-top: 4px;
}

/* =====================
   MOBILE OVERLAY
===================== */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #1A1A2E;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 32px;
  gap: 20px;
}
.mobile-overlay-icon {
  font-size: 3rem;
  line-height: 1;
}
.mobile-overlay h2 {
  font-family: 'DM Serif Display', serif;
  font-size: 1.6rem;
  color: #fff;
  margin: 0;
  line-height: 1.2;
}
.mobile-overlay p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
  margin: 0;
  max-width: 280px;
}
.mobile-overlay-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.05em;
}

@media (max-width: 900px) {
  html, body {
    min-width: 0 !important;
    overflow-x: hidden;
  }
  .mobile-overlay { display: flex; }
}