/* Mode sombre global avec animations */
:root {
  --bg-light: linear-gradient(to bottom right, #dbeafe, #d1fae5);
  --bg-dark: linear-gradient(to bottom right, #1e293b, #0f172a);
  --text-light: #1f2937;
  --text-dark: #f8fafc;
  --card-light: #ffffff;
  --card-dark: #334155;
  --border-light: #e5e7eb;
  --border-dark: #475569;
  --primary-light: #1e40af;
  --primary-dark: #60a5fa;
  --secondary-light: #059669;
  --secondary-dark: #34d399;
  --blue-light: #1d4ed8;
  --blue-dark: #93c5fd;
  --accent-blue: #dbeafe;
  --accent-blue-dark: #1e3a8a;
}

/* Styles pour le mode sombre */
.dark {
  color-scheme: dark;
}

.dark body {
  background: var(--bg-dark) !important;
  color: var(--text-dark) !important;
}

.dark .bg-white {
  background-color: var(--card-dark) !important;
  color: var(--text-dark) !important;
}

.dark .bg-gradient-to-br {
  background: var(--bg-dark) !important;
}

.dark .text-gray-800,
.dark .text-gray-700,
.dark .text-gray-600 {
  color: var(--text-dark) !important;
}

.dark .border-gray-200,
.dark .border-gray-300 {
  border-color: var(--border-dark) !important;
}

.dark .bg-blue-50 {
  background-color: rgba(30, 58, 138, 0.2) !important;
}

.dark .bg-green-50,
.dark .bg-purple-50,
.dark .bg-yellow-50,
.dark .bg-red-50,
.dark .bg-indigo-50 {
  background-color: rgba(51, 65, 85, 0.3) !important;
}

.dark .shadow-lg {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.1) !important;
}


/* Bouton de basculement mode sombre - Repositionné au centre-gauche */
.theme-toggle {
  position: fixed;
  top: 4px;
  left: 50%;
  transform: translateX(-50%);
  margin-left: -120px; /* Décalage vers la gauche pour le centre-gauche */
  z-index: 1000;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  box-shadow: 0 4px 15px rgba(251, 191, 36, 0.4);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Responsive pour mobile */
@media (max-width: 640px) {
  .theme-toggle {
    top: 2px;
    left: 50%;
    transform: translateX(-50%);
    margin-left: -60px; /* Ajustement pour mobile */
    width: 40px;
    height: 40px;
  }
}

.theme-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(251, 191, 36, 0.6);
}

.dark .theme-toggle {
  background: linear-gradient(135deg, #1e293b, #334155);
  box-shadow: 0 4px 15px rgba(30, 41, 59, 0.4);
}

.dark .theme-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(30, 41, 59, 0.6);
}

/* Icônes soleil et lune */
.sun-icon,
.moon-icon {
  position: absolute;
  width: 30px;
  height: 30px;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.sun-icon {
  color: #fbbf24;
  transform: rotate(0deg) scale(1);
  opacity: 1;
}

.moon-icon {
  color: #e2e8f0;
  transform: rotate(180deg) scale(0);
  opacity: 0;
}

.dark .sun-icon {
  transform: rotate(-180deg) scale(0);
  opacity: 0;
}

.dark .moon-icon {
  transform: rotate(0deg) scale(1);
  opacity: 1;
}

/* Animation de rotation pour le bouton */
.theme-toggle {
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateX(-50%) translateY(0px);
  }
  50% {
    transform: translateX(-50%) translateY(-2px);
  }
}

/* Transition fluide pour le changement de thème */
* {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Styles spécifiques pour les cartes en mode sombre */
.dark .bg-gradient-to-r {
  background: linear-gradient(to right, rgba(51, 65, 85, 0.8), rgba(71, 85, 105, 0.8)) !important;
}

/* Amélioration des contrastes en mode sombre */
.dark input,
.dark textarea,
.dark select {
  background-color: var(--card-dark) !important;
  color: var(--text-dark) !important;
  border-color: var(--border-dark) !important;
}

.dark input::placeholder,
.dark textarea::placeholder {
  color: #94a3b8 !important;
}

/* Boutons en mode sombre */
.dark .bg-primary {
  background-color: var(--primary-dark) !important;
}

.dark .bg-secondary {
  background-color: var(--secondary-dark) !important;
}

/* Amélioration des éléments bleus en mode sombre */
.dark .text-blue-600,
.dark .text-blue-700,
.dark .text-blue-800 {
  color: var(--blue-dark) !important;
}

.dark .bg-blue-600,
.dark .bg-blue-700 {
  background-color: var(--primary-dark) !important;
}

.dark .border-blue-200,
.dark .border-blue-300,
.dark .border-blue-400 {
  border-color: var(--blue-dark) !important;
}

.dark .from-blue-600,
.dark .from-blue-800 {
  --tw-gradient-from: var(--primary-dark) !important;
}

.dark .to-blue-700,
.dark .to-purple-800 {
  --tw-gradient-to: #a78bfa !important;
}

/* Amélioration du contraste pour les gradients */
.dark .bg-gradient-to-r {
  background: linear-gradient(to right, var(--primary-dark), #a78bfa) !important;
}

.dark .bg-gradient-to-br {
  background: linear-gradient(to bottom right, #1e293b, #0f172a) !important;
}

/* Texte avec gradient en mode sombre */
.dark .bg-clip-text {
  background: linear-gradient(to right, var(--blue-dark), #c084fc) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
}

/* Amélioration du bouton Nutri-Test en mode sombre */
.dark .border-primary {
  border-color: var(--blue-dark) !important;
}

.dark .text-primary {
  color: var(--blue-dark) !important;
}

.dark .from-primary {
  --tw-gradient-from: var(--primary-dark) !important;
}

.dark .to-blue-600 {
  --tw-gradient-to: #a78bfa !important;
}

/* Hover states pour le bouton Nutri-Test */
.dark .hover\:border-blue-600:hover {
  border-color: #93c5fd !important;
}

.dark .group-hover\:text-blue-600:hover {
  color: #93c5fd !important;
}

/* Animation d'apparition du bouton */
.theme-toggle {
  animation: slideIn 0.5s ease-out, float 3s ease-in-out infinite 0.5s;
}

@keyframes slideIn {
  from {
    transform: translateX(-50%) translateY(0px);
    opacity: 0;
  }
  to {
    transform: translateX(-50%) translateY(0px);
    opacity: 1;
  }
}

/* Barre de navigation fixe */
.fixed-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(229, 231, 235, 0.5);
  padding: 8px 16px;
}

.dark .fixed-nav {
  background: rgba(30, 41, 59, 0.95);
  border-bottom: 1px solid rgba(71, 85, 105, 0.5);
}

/* Ajustement du contenu principal pour éviter le chevauchement */
.container {
  padding-top: 20px !important;
}

/* Amélioration de la position des éléments fixes */
.fixed.top-2.left-2,
.fixed.top-4.left-4 {
  top: 8px !important;
  left: 8px !important;
}

.fixed.top-2.right-2,
.fixed.top-4.right-4 {
  top: 8px !important;
  right: 8px !important;
}

@media (max-width: 640px) {
  .fixed.top-2.left-2 {
    top: 4px !important;
    left: 4px !important;
  }
  
  .fixed.top-2.right-2 {
    top: 4px !important;
    right: 4px !important;
  }
}