/* Positionnement du conteneur */
#notif-stack {
  position: fixed;
  bottom: 1rem; /* bottom-4 */
  right: 1rem;  /* right-4 */
  z-index: 50;  /* z-50 */
  display: flex;
  flex-direction: column;
  gap: 0.75rem; /* space-y-3 */
}

/* Animation et transformation */
.transform {
  transition: all 0.5s ease-out; /* transition-all duration-500 ease-out */
  opacity: 0; /* opacity-0 */
  transform: translateY(1rem); /* translate-y-4 */
}

.opacity-100 {
  opacity: 1;
}

.opacity-0 {
  opacity: 0;
}

.translate-y-0 {
  transform: translateY(0);
}

.translate-y-4 {
  transform: translateY(1rem);
}

/* Dimensions et arrondis */
.max-w-sm { max-width: 24rem; }
.w-full { width: 100%; }
.rounded-lg { border-radius: 0.5rem; }
.shadow-lg {
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1),
              0 4px 6px -2px rgba(0,0,0,0.05);
}
.shadow-md {
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}
.pointer-events-auto { pointer-events: auto; }
.ring-1 { border-width: 1px; }
.ring-black { border-color: rgba(0,0,0,1); }
.ring-opacity-5 { border-color: rgba(0,0,0,0.05); }
.p-4 { padding: 1rem; }
.p-3 { padding: 0.75rem; }

/* Couleurs */
.bg-green-50 { background-color: #f0fdf4; }
.bg-green-800 { background-color: #166534; }
.text-green-800 { color: #166534; }

.bg-red-50 { background-color: #fef2f2; }
.bg-red-800 { background-color: #991b1b; }
.text-red-800 { color: #991b1b; }

.bg-blue-50 { background-color: #eff6ff; }
.bg-blue-800 { background-color: #1e3a8a; }
.text-blue-800 { color: #1e3a8a; }

/* Flex et spacing */
.flex { display: flex; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.space-x-3 > :not([hidden]) ~ :not([hidden]) {
  margin-left: 0.75rem;
}
.flex-shrink-0 { flex-shrink: 0; }
.flex-1 { flex: 1; }

/* Texte */
.text-sm { font-size: 0.875rem; }
.font-medium { font-weight: 500; }

/* Bouton de fermeture */
.text-gray-400 { color: #9ca3af; }
.text-gray-400:hover { color: #4b5563; }
.focus\:outline-none:focus { outline: none; }

/* Icônes */
.h-4 { height: 1rem; }
.w-4 { width: 1rem; }
.h-5 { height: 1.25rem; }
.w-5 { width: 1.25rem; }

/* Cercle icône */
.rounded-full { border-radius: 9999px; }
.w-6 { width: 1.5rem; }
.h-6 { height: 1.5rem; }
.text-white { color: #fff; }