/* Variables globales */
:root {
    /* Couleurs principales */
    --color-primary: #7C3AED;
    --color-primary-light: #8B5CF6;
    --color-primary-dark: #6D28D9;
    --color-accent: #C4B5FD;
    --color-text-on-primary: #FFFFFF;
    
    /* États et feedbacks */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;
    --color-info: #3B82F6;
    
    /* Arrière-plans et texte */
    --color-bg-light: #F8FAFC;
    --color-bg-dark: #111827;
    --color-bg-card-light: #FFFFFF;
    --color-bg-card-dark: #1F2937;
    --color-text-dark: #1F2937;
    --color-text-light: #F9FAFB;
    --color-text-muted-light: #6B7280;
    --color-text-muted-dark: #9CA3AF;
    
    /* Bordures */
    --color-border-light: #E5E7EB;
    --color-border-dark: #374151;
    
    /* Formulaires */
    --color-input-bg-light: #FFFFFF;
    --color-input-bg-dark: #374151;
    --color-input-border-light: #D1D5DB;
    --color-input-border-dark: #4B5563;
    --color-input-text-light: #1F2937;
    --color-input-text-dark: #F9FAFB;
    --color-input-placeholder-light: #9CA3AF;
    --color-input-placeholder-dark: #6B7280;
  }
  
  /* Classes utilitaires de base */
  .primary-bg {
    background-color: var(--color-primary);
  }
  
  .primary-text {
    color: var(--color-primary);
  }
  
  .primary-border {
    border-color: var(--color-primary);
  }
  
  /* Éléments en survol */
  .hover-primary:hover {
    background-color: var(--color-primary-light);
  }
  
  /* Boutons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.2s;
    cursor: pointer;
  }
  
  .btn-primary {
    background-color: var(--color-primary);
    color: var(--color-text-on-primary);
  }
  
  .btn-primary:hover {
    background-color: var(--color-primary-dark);
  }
  
  .btn-secondary {
    background-color: #E5E7EB;
    color: #374151;
  }
  
  .dark .btn-secondary {
    background-color: #4B5563;
    color: #F9FAFB;
  }
  
  .btn-secondary:hover {
    background-color: #D1D5DB;
  }
  
  .dark .btn-secondary:hover {
    background-color: #6B7280;
  }
  
  .btn-success {
    background-color: var(--color-success);
    color: white;
  }
  
  .btn-danger {
    background-color: var(--color-danger);
    color: white;
  }
  
  .btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
  }
  
  .btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1.125rem;
  }
  
  /* Cartes */
  .card {
    background-color: var(--color-bg-card-light);
    border: 1px solid var(--color-border-light);
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  }
  
  .dark .card {
    background-color: var(--color-bg-card-dark);
    border-color: var(--color-border-dark);
  }
  
  .card-header {
    padding: 1rem;
    border-bottom: 1px solid var(--color-border-light);
  }
  
  .dark .card-header {
    border-color: var(--color-border-dark);
  }
  
  .card-body {
    padding: 1rem;
  }
  
  .card-footer {
    padding: 1rem;
    border-top: 1px solid var(--color-border-light);
  }
  
  .dark .card-footer {
    border-color: var(--color-border-dark);
  }
  
  /* Formulaires */
  .form-group {
    margin-bottom: 1rem;
  }
  
  .form-label {
    display: block;
    margin-bottom: 0.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-dark);
  }
  
  .dark .form-label {
    color: var(--color-text-light);
  }
  
  .form-input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-input-border-light);
    border-radius: 0.375rem;
    background-color: var(--color-input-bg-light);
    color: var(--color-input-text-light);
    transition: all 0.2s;
  }
  
  .form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
  }
  
  .form-input::placeholder {
    color: var(--color-input-placeholder-light);
  }
  
  .dark .form-input {
    background-color: var(--color-input-bg-dark);
    border-color: var(--color-input-border-dark);
    color: var(--color-input-text-dark);
  }
  
  .dark .form-input::placeholder {
    color: var(--color-input-placeholder-dark);
  }
  
  .dark .form-input:focus {
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.3);
  }
  
  .form-select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    padding-right: 2rem;
    border: 1px solid var(--color-input-border-light);
    border-radius: 0.375rem;
    background-color: var(--color-input-bg-light);
    color: var(--color-input-text-light);
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 1.5em 1.5em;
  }
  
  .form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
  }
  
  .dark .form-select {
    background-color: var(--color-input-bg-dark);
    border-color: var(--color-input-border-dark);
    color: var(--color-input-text-dark);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%239ca3af' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  }
  
  .form-error {
    color: var(--color-danger);
    font-size: 0.875rem;
    margin-top: 0.25rem;
  }
  
  /* Badges */
  .badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
  }
  
  .badge-primary {
    background-color: #DDD6FE;
    color: #5B21B6;
  }
  
  .dark .badge-primary {
    background-color: #5B21B6;
    color: #DDD6FE;
  }
  
  .badge-success {
    background-color: #D1FAE5;
    color: #065F46;
  }
  
  .dark .badge-success {
    background-color: #065F46;
    color: #D1FAE5;
  }
  
  .badge-warning {
    background-color: #FEF3C7;
    color: #92400E;
  }
  
  .dark .badge-warning {
    background-color: #92400E;
    color: #FEF3C7;
  }
  
  .badge-danger {
    background-color: #FEE2E2;
    color: #B91C1C;
  }
  
  .dark .badge-danger {
    background-color: #B91C1C;
    color: #FEE2E2;
  }
  
  /* Alertes */
  .alert {
    display: flex;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 0.375rem;
    border-left-width: 4px;
  }
  
  .alert-info {
    background-color: #EFF6FF;
    border-left-color: var(--color-info);
    color: #1E40AF;
  }
  
  .dark .alert-info {
    background-color: #1E3A8A;
    border-left-color: #3B82F6;
    color: #BFDBFE;
  }
  
  .alert-success {
    background-color: #ECFDF5;
    border-left-color: var(--color-success);
    color: #065F46;
  }
  
  .dark .alert-success {
    background-color: #064E3B;
    border-left-color: #10B981;
    color: #A7F3D0;
  }
  
  .alert-warning {
    background-color: #FFFBEB;
    border-left-color: var(--color-warning);
    color: #92400E;
  }
  
  .dark .alert-warning {
    background-color: #78350F;
    border-left-color: #F59E0B;
    color: #FEF3C7;
  }
  
  .alert-danger {
    background-color: #FEF2F2;
    border-left-color: var(--color-danger);
    color: #B91C1C;
  }
  
  .dark .alert-danger {
    background-color: #7F1D1D;
    border-left-color: #EF4444;
    color: #FEE2E2;
  }
  
  /* Animations */
  .animate-fade-in-down {
    animation: fade-in-down 0.5s ease-out;
  }
  
  @keyframes fade-in-down {
    0% {
      opacity: 0;
      transform: translateY(-10px);
    }
    100% {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  .animate-fade-in-up {
    animation: fade-in-up 0.5s ease-out;
  }
  
  @keyframes fade-in-up {
    0% {
      opacity: 0;
      transform: translateY(10px);
    }
    100% {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  /* Layout */
  .sidebar {
    position: fixed;
    top: 4rem;
    left: 0;
    bottom: 0;
    width: 16rem;
    overflow-y: auto;
    background-color: var(--color-bg-card-light);
    border-right: 1px solid var(--color-border-light);
    transition: transform 0.3s ease;
    z-index: 40;
  }
  
  .dark .sidebar {
    background-color: var(--color-bg-card-dark);
    border-color: var(--color-border-dark);
  }
  
  @media (max-width: 768px) {
    .sidebar {
      transform: translateX(-100%);
    }
    
    .sidebar.open {
      transform: translateX(0);
    }
  }
  
  .content-container {
    margin-left: 0;
    transition: margin-left 0.3s;
  }
  
  @media (min-width: 768px) {
    .content-container {
      margin-left: 16rem;
    }
  }
  
  /* Tableaux */
  .table {
    width: 100%;
    border-collapse: collapse;
  }
  
  .table th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background-color: #F9FAFB;
    color: #6B7280;
    border-bottom: 1px solid var(--color-border-light);
  }
  
  .dark .table th {
    background-color: #374151;
    color: #D1D5DB;
    border-bottom-color: var(--color-border-dark);
  }
  
  .table td {
    padding: 0.75rem 1rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--color-border-light);
  }
  
  .dark .table td {
    border-bottom-color: var(--color-border-dark);
  }
  
  .table tr:hover {
    background-color: #F9FAFB;
  }
  
  .dark .table tr:hover {
    background-color: #374151;
  }
  
  /* Utilitaires */
  .transition {
    transition-property: background-color, border-color, color, fill, stroke, opacity, box-shadow, transform;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
  }
  
  .shadow-sm {
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  }
  
  .shadow {
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  }
  
  .shadow-md {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  }
  
  .shadow-lg {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  }
  
  .rounded {
    border-radius: 0.25rem;
  }
  
  .rounded-md {
    border-radius: 0.375rem;
  }
  
  .rounded-lg {
    border-radius: 0.5rem;
  }
  
  .rounded-full {
    border-radius: 9999px;
  }