/* ============================================================
   NAVIGATION MOBILE & SIDEBAR - CASTAGNE
   ============================================================ */

/* Mapping des variables globales vers locales pour ce module */
:root { 
  --w-sidebar: var(--sidebar-width-desktop); 
  --line: var(--color-gray-light); 
}

/* ----- Mobile bottom nav (hidden on desktop) ----- */
.mnav {
  position: fixed;
  left: var(--w-sidebar);
  right: 0;
  bottom: 0;
  display: none;               /* desktop hidden */
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  background: rgba(255,255,255,.94);
  border-top: 1px solid var(--line);
  backdrop-filter: blur(8px);
  box-shadow: 0 -8px 28px rgba(15,23,42,.08);
  transition: opacity .25s ease, transform .25s ease;
  z-index: var(--z-mobile-nav);
}

.mnav.hidden { 
  opacity: 0; 
  transform: translateY(14px); 
  pointer-events: none; 
}

.mnav-btn {
  appearance: none;
  border: none;
  background: var(--mnav-btn-bg, #e0efed);
  color: var(--mnav-btn-color, #111827);
  border-radius: 5px;
  min-height: 40px;
  padding: 8px 12px;
  font-size: 16px;
  line-height: 24px;
  text-align: center;
  display: flex; 
  align-items: center; 
  gap: 6px; 
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(15,23,42,.06);
}

.mnav-dots {
  display: flex;
  gap: 8px;
  flex: 1;
  justify-content: center;
  align-items: center;
}

.mnav-dots .dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #cbd5e1;
  border: 1px solid #cbd5e1;
  transition: transform .15s;
}

.mnav-dots .dot.active {
  background: #111827;
  border-color: #111827;
  transform: scale(1.2);
}

/* ----- Mobile breakpoint (< 1024px) ----- */
@media (max-width: 1023px) {
  :root { 
    --w-sidebar: var(--sidebar-width-mobile); 
    --line: var(--color-gray-medium); 
  }

  .mnav { display: flex; }

  /* Sidebar mobile: logo centré pleine hauteur */
  .sidebar { 
    display: flex !important; 
    position: fixed; 
    left: 0; 
    top: 0; 
    bottom: 0; 
    width: var(--w-sidebar); 
    align-items: center; 
    justify-content: center; 
    z-index: var(--z-mobile-sidebar); 
    background: var(--color-white); 
    border-right: 1px solid var(--line); 
  }

  .sidebar img { 
    width: 14px; 
    height: auto; 
    transform: none; 
    opacity: .6; 
    filter: grayscale(1) brightness(.95); 
  }

  /* Masquer éventuelle nav mobile interne en haut si présente */
  .case-navigation-mobile { display: none !important; }

  /* Laisser la place à la sidebar à gauche */
  main.relative > .min-h-screen { margin-left: var(--w-sidebar) !important; }

  /* Éviter le double décalage à l'intérieur */
  .case-study-container { 
    /* padding-left supprimé pour laisser respirer le contenu */
    padding-bottom: calc(400px + env(safe-area-inset-bottom, 0px)) !important; 
  }

  /* Masquer le footer natif en mobile (accessible via Menu en overlay) */
  #dynamic-footer { display: none !important; }

  /* Header mobile: 71px + bouton Menu */
  .site-header { 
    height: var(--header-height-mobile); 
    position: static !important; 
    left: auto; 
    right: auto; 
    margin-left: var(--w-sidebar); 
    border-bottom: 1px solid var(--line); 
  }

  .site-header + .h-14 { display: none !important; }

  #mobile-menu-open { 
    width: 74px; 
    height: 40px; 
    border-radius: 10px; 
    font-size: 16px; 
    line-height: 24px; 
  }

  /* Remonter le bouton top pour éviter chevauchement mnav */
  #scroll-to-top-mobile { 
    bottom: calc(96px + env(safe-area-inset-bottom, 0px)) !important; 
  }
}

/* Overlay menu mobile styles */
#mobileMenuOverlay .footer-logo-bottom,
#mobileMenuOverlay #castagne-footer-svg { display: none !important; }
#mobileMenuOverlay::-webkit-scrollbar { display: none; }