/**
 * Chrome commun maquettes : lien retour menu uniquement.
 */
.back-to-menu {
  position: fixed;
  top: max(16px, env(safe-area-inset-top, 0px));
  left: max(16px, env(safe-area-inset-left, 0px));
  z-index: 10000;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(15, 15, 18, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: rgba(255, 255, 255, 0.95);
  text-decoration: none;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.05em;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  transition: opacity 0.25s ease, transform 0.25s ease, background 0.25s ease;
  opacity: 0.52;
}

.back-to-menu:hover {
  opacity: 1;
  transform: translateY(-1px);
  background: rgba(15, 15, 18, 0.9);
}

.back-to-menu:focus-visible {
  outline: 2px solid #c8102e;
  outline-offset: 3px;
}