/* Variables CSS pour les thèmes */
:root {
  --color-student-primary: #ea580c;
  --color-student-secondary: #fed7aa;
  --color-student-bg: #fff7ed;
  
  --color-professional-primary: #2563eb;
  --color-professional-secondary: #bfdbfe;
  --color-professional-bg: #eff6ff;
  
  --color-patient-primary: #059669;
  --color-patient-secondary: #a7f3d0;
  --color-patient-bg: #ecfdf5;
}

/* Reset et base */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  color: #374151;
  background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
  margin: 0;
  padding: 0;
}

/* Classes utilitaires pour les modes */
.mode-student {
  --primary-color: var(--color-student-primary);
  --secondary-color: var(--color-student-secondary);
  --bg-color: var(--color-student-bg);
}

.mode-professional {
  --primary-color: var(--color-professional-primary);
  --secondary-color: var(--color-professional-secondary);
  --bg-color: var(--color-professional-bg);
}

.mode-patient {
  --primary-color: var(--color-patient-primary);
  --secondary-color: var(--color-patient-secondary);
  --bg-color: var(--color-patient-bg);
}

/* Animation pour le sidebar mobile */
@media (max-width: 1024px) {
  #sidebar {
    z-index: 50;
  }
  
  #sidebar.open {
    transform: translateX(0);
  }
}

/* Smooth scrolling pour le chat */
#chat-section {
  scroll-behavior: smooth;
}

/* Animation pour l'enregistrement vocal */
.recording-pulse {
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* Styles pour les messages */
.message-bubble {
  max-width: 70%;
  word-wrap: break-word;
}

/* Animation d'apparition des messages */
.message-fade-in {
  animation: fadeInUp 0.3s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive design */
@media (max-width: 768px) {
  .message-bubble {
    max-width: 85%;
  }
  
  #chat-section {
    padding: 1rem;
  }
}

/* Styles pour les toggles */
.toggle-switch {
  position: relative;
  width: 48px;
  height: 24px;
  border-radius: 12px;
  transition: background-color 0.3s ease;
  cursor: pointer;
}

.toggle-switch.active {
  background-color: var(--primary-color, #2563eb);
}

.toggle-switch.inactive {
  background-color: #d1d5db;
}

.toggle-knob {
  position: absolute;
  top: 2px;
  width: 20px;
  height: 20px;
  background-color: white;
  border-radius: 50%;
  transition: transform 0.3s ease;
}

.toggle-switch.active .toggle-knob {
  transform: translateX(24px);
}

.toggle-switch.inactive .toggle-knob {
  transform: translateX(2px);
}

/* Amélioration de l'accessibilité */
button:focus,
input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--primary-color, #2563eb);
  outline-offset: 2px;
}

/* Styles pour les suggestions */
.suggestion-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Loading state */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* Personnalisation de la scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: #f1f5f9;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Support pour les préférences de mouvement réduit */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}