/**
 * NOTYTEX DESIGN SYSTEM
 * Système de design unifié pour l'application
 */

/* ========================================
   DESIGN TOKENS
   ======================================== */

:root {
  /* Couleurs primaires */
  --color-primary-50: #eff6ff;
  --color-primary-100: #dbeafe;
  --color-primary-500: #3b82f6;
  --color-primary-600: #2563eb;
  --color-primary-700: #1d4ed8;
  --color-primary-800: #1e40af;
  
  /* Couleurs fonctionnelles */
  --color-success-50: #ecfdf5;
  --color-success-100: #d1fae5;
  --color-success-500: #10b981;
  --color-success-600: #059669;
  --color-success-700: #047857;
  
  --color-warning-50: #fffbeb;
  --color-warning-100: #fef3c7;
  --color-warning-500: #f59e0b;
  --color-warning-600: #d97706;
  --color-warning-700: #b45309;
  
  --color-danger-50: #fef2f2;
  --color-danger-100: #fee2e2;
  --color-danger-500: #ef4444;
  --color-danger-600: #dc2626;
  --color-danger-700: #b91c1c;
  
  /* Couleurs neutres */
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  
  /* Gradients standardisés */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
  --gradient-warning: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
  --gradient-purple-blue: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-green: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
  --gradient-blue: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  
  /* Espacements */
  --space-xs: 0.25rem;    /* 4px */
  --space-sm: 0.5rem;     /* 8px */
  --space-md: 1rem;       /* 16px */
  --space-lg: 1.5rem;     /* 24px */
  --space-xl: 2rem;       /* 32px */
  --space-2xl: 3rem;      /* 48px */
  
  /* Tailles de police */
  --text-xs: 0.75rem;     /* 12px */
  --text-sm: 0.875rem;    /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-lg: 1.125rem;    /* 18px */
  --text-xl: 1.25rem;     /* 20px */
  --text-2xl: 1.5rem;     /* 24px */
  --text-3xl: 1.875rem;   /* 30px */
  --text-4xl: 2.25rem;    /* 36px */
  
  /* Rayons de bordure */
  --radius-sm: 0.125rem;   /* 2px */
  --radius-md: 0.375rem;   /* 6px */
  --radius-lg: 0.5rem;     /* 8px */
  --radius-xl: 0.75rem;    /* 12px */
  --radius-2xl: 1rem;      /* 16px */
  --radius-full: 9999px;
  
  /* Ombres */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   CLASSES UTILITAIRES PERSONNALISÉES
   ======================================== */

/* Focus visible amélioré */
.focus-ring {
  @apply focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-500;
}

/* Gradients réutilisables */
.bg-gradient-primary {
  background: var(--gradient-primary);
}

.bg-gradient-success {
  background: var(--gradient-success);
}

.bg-gradient-purple-blue {
  background: var(--gradient-purple-blue);
}

/* Animation hover pour les cartes */
.card-hover {
  @apply transition-all duration-300 hover:shadow-xl hover:scale-105;
}

/* Boutons avec styles cohérents */
.btn-base {
  @apply inline-flex items-center justify-center font-semibold rounded-xl transition-all duration-300 focus-ring;
}

.btn-sm {
  @apply btn-base px-3 py-2 text-sm;
}

.btn-md {
  @apply btn-base px-4 py-2 text-base;
}

.btn-lg {
  @apply btn-base px-6 py-3 text-lg;
}

.btn-primary {
  @apply btn-base bg-blue-600 text-white hover:bg-blue-700;
}

.btn-success {
  @apply btn-base bg-green-600 text-white hover:bg-green-700;
}

.btn-warning {
  @apply btn-base bg-orange-600 text-white hover:bg-orange-700;
}

.btn-danger {
  @apply btn-base bg-red-600 text-white hover:bg-red-700;
}

.btn-outline {
  @apply btn-base bg-transparent border-2 border-gray-300 text-gray-700 hover:bg-gray-50;
}

/* États de progression standardisés */
.progress-not-started {
  @apply bg-red-100 text-red-800 border border-red-200;
}

.progress-in-progress {
  @apply bg-orange-100 text-orange-800 border border-orange-200;
}

.progress-completed {
  @apply bg-green-100 text-green-800 border border-green-200;
}

/* Indicateurs visuels */
.indicator-badge {
  @apply inline-flex items-center px-2 py-1 rounded-full text-xs font-medium;
}

/* ========================================
   COMPOSANTS SPÉCIALISÉS
   ======================================== */

/* Hero sections */
.hero-section {
  @apply bg-gradient-to-r text-white rounded-xl p-8 shadow-lg;
}

/* Cards uniformes */
.card {
  @apply bg-white rounded-xl shadow-lg overflow-hidden;
}

.card-header {
  @apply px-6 py-4 border-b border-gray-200 flex items-center justify-between;
}

.card-body {
  @apply p-6;
}

.card-footer {
  @apply px-6 py-4 border-t border-gray-200 bg-gray-50;
}

/* Grilles de statistiques */
.stats-grid {
  @apply grid grid-cols-1 md:grid-cols-3 gap-6;
}

.stat-card {
  @apply block bg-white rounded-lg shadow hover:shadow-lg transition-all duration-300 p-6 transform hover:scale-105 group;
}

/* Filtres */
.filter-section {
  @apply bg-white rounded-lg shadow p-6;
}

.filter-control {
  @apply border border-gray-300 rounded-md px-3 py-1 text-sm focus:outline-none focus:ring-2 focus:ring-purple-500 focus:border-transparent;
}

/* Actions grids */
.action-grid {
  @apply grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4;
}

.action-card {
  @apply group rounded-xl p-6 transition-all duration-300 transform hover:scale-105 shadow-lg hover:shadow-xl text-white;
}

/* ========================================
   ANIMATIONS ET EFFETS
   ======================================== */

/* Animation d'apparition */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.5s ease-out;
}

/* Animation des messages flash */
@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.flash-message {
  animation: slideDown 0.3s ease-out;
}

/* Effet de pulsation pour les éléments en attente */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.pulse-animation {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Rotation pour les indicateurs de chargement */
@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.spin-animation {
  animation: spin 1s linear infinite;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Masquer/afficher selon la taille d'écran */
@media (max-width: 768px) {
  .hide-mobile {
    display: none;
  }
  
  .show-mobile {
    display: block;
  }
  
  /* Ajustements pour mobile */
  .hero-section {
    @apply p-6;
  }
  
  .hero-section h1 {
    @apply text-2xl;
  }
  
  .action-grid {
    @apply grid-cols-1 gap-3;
  }
  
  .stats-grid {
    @apply grid-cols-1 gap-4;
  }
}

@media (min-width: 769px) {
  .hide-desktop {
    display: none;
  }
  
  .show-desktop {
    display: block;
  }
}

/* ========================================
   ACCESSIBILITÉ
   ======================================== */

/* Skip links */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--color-gray-900);
  color: white;
  padding: 8px;
  text-decoration: none;
  z-index: 1000;
  border-radius: var(--radius-md);
}

.skip-link:focus {
  top: 6px;
}

/* Contraste élevé */
@media (prefers-contrast: high) {
  :root {
    --color-gray-600: #000000;
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  }
  
  .card {
    @apply border-2 border-gray-800;
  }
}

/* Réduction de mouvement */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus visible pour la navigation au clavier */
.focus-visible {
  outline: 2px solid var(--color-primary-500);
  outline-offset: 2px;
}

/* ========================================
   DARK MODE (préparation future)
   ======================================== */

@media (prefers-color-scheme: dark) {
  :root {
    --color-gray-50: #1f2937;
    --color-gray-100: #374151;
    --color-gray-900: #f9fafb;
  }
  
  /* Note: Le dark mode sera implémenté dans une future phase */
}