/* ========================================
   GREEN THEME - CHARTE GRAPHIQUE VERTE
   ======================================== */

:root {
  /* Palette de couleurs vertes */
  --primary-green: #2E7D32;
  --primary-green-light: #4CAF50;
  --primary-green-dark: #1B5E20;
  --secondary-green: #66BB6A;
  --accent-green: #81C784;
  --light-green: #A5D6A7;
  --very-light-green: #C8E6C9;
  --success-green: #43A047;
  --warning-green: #8BC34A;
  --info-green: #4DB6AC;
  
  /* Palette de couleurs complémentaires */
  --primary-indigo: #3F51B5;
  --primary-indigo-light: #5C6BC0;
  --primary-indigo-dark: #283593;

  --primary-blue: #1E88E5;
  --primary-blue-light: #42A5F5;
  --primary-blue-dark: #1565C0;

  --primary-purple: #7E57C2;
  --primary-purple-light: #9575CD;
  --primary-purple-dark: #5E35B1;

  --primary-amber: #FFB300;
  --primary-amber-light: #FFC440;
  --primary-amber-dark: #FF8F00;

  --primary-teal: #26A69A;
  --primary-teal-light: #4DB6AC;
  --primary-teal-dark: #00796B;
  
  /* Couleurs neutres */
  --white: #FFFFFF;
  --light-gray: #F5F7FA;
  --medium-gray: #E8EDF2;
  --dark-gray: #5A6C7D;
  --darker-gray: #2C3E50;
  --black: #1A1A1A;
  
  /* Couleurs d'état */
  --success: var(--success-green);
  --warning: #FF9800;
  --error: #F44336;
  --info: var(--info-green);
  
  /* Dégradés prêts à l'emploi */
  --gradient-green: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-light) 100%);
  --gradient-indigo: linear-gradient(135deg, var(--primary-indigo) 0%, var(--primary-indigo-light) 100%);
  --gradient-blue: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
  --gradient-purple: linear-gradient(135deg, var(--primary-purple) 0%, var(--primary-purple-light) 100%);
  --gradient-amber: linear-gradient(135deg, var(--primary-amber) 0%, var(--primary-amber-light) 100%);
  --gradient-teal: linear-gradient(135deg, var(--primary-teal) 0%, var(--primary-teal-light) 100%);

  /* Ombres et effets */
  --shadow-light: 0 2px 8px rgba(46, 125, 50, 0.1);
  --shadow-medium: 0 4px 16px rgba(46, 125, 50, 0.15);
  --shadow-heavy: 0 8px 32px rgba(46, 125, 50, 0.2);
  --border-radius: 12px;
  --border-radius-small: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   RÉINITIALISATION ET BASE
   ======================================== */

* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', 'Segoe UI', 'Roboto', sans-serif;
  background: linear-gradient(135deg, var(--light-gray) 0%, #FFFFFF 100%);
  color: var(--darker-gray);
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

/* ========================================
   TYPOGRAPHIE
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  color: var(--primary-green-dark);
  margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  color: var(--dark-gray);
  margin-bottom: 1rem;
}

/* ========================================
   BOUTONS
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--border-radius-small);
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
  min-height: 44px;
  gap: 8px;
}

.btn--primary {
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-light) 100%);
  color: var(--white);
  box-shadow: var(--shadow-light);
}

.btn--primary:hover {
  background: linear-gradient(135deg, var(--primary-green-dark) 0%, var(--primary-green) 100%);
  box-shadow: var(--shadow-medium);
  transform: translateY(-2px);
}

.btn--secondary {
  background: var(--white);
  color: var(--primary-green);
  border: 2px solid var(--primary-green);
}

.btn--secondary:hover {
  background: var(--primary-green);
  color: var(--white);
  transform: translateY(-2px);
}

.btn--success {
  background: var(--success-green);
  color: var(--white);
}

.btn--warning {
  background: var(--warning);
  color: var(--white);
}

.btn--error {
  background: var(--error);
  color: var(--white);
}

.btn--outline {
  background: transparent;
  color: var(--primary-green);
  border: 2px solid var(--primary-green);
}

.btn--outline:hover {
  background: var(--primary-green);
  color: var(--white);
}

/* ========================================
   CARTES ET CONTENEURS
   ======================================== */

.card {
  background: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  border: none;
  overflow: hidden;
  transition: var(--transition);
  margin-bottom: 1.5rem;
}

.card:hover {
  box-shadow: var(--shadow-medium);
  transform: translateY(-4px);
}

.card-header {
  background: var(--gradient-indigo);
  color: var(--white);
  padding: 1.5rem;
  border-bottom: none;
  font-weight: 600;
}

.card-body {
  padding: 1.5rem;
}

.card-footer {
  background: var(--light-gray);
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--medium-gray);
}

/* ========================================
   TABLEAUX
   ======================================== */

.table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin-bottom: 0;
}

.table thead th {
  background: var(--light-gray);
  color: var(--darker-gray);
  font-weight: 600;
  padding: 1rem;
  border: none;
  text-align: left;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.table thead th:first-child {
  border-top-left-radius: var(--border-radius-small);
}

.table thead th:last-child {
  border-top-right-radius: var(--border-radius-small);
}

.table tbody tr {
  transition: var(--transition);
}

.table tbody tr:hover {
  background: #F9FAFB;
  transform: scale(1.01);
}

.table tbody td {
  padding: 1rem;
  border-bottom: 1px solid var(--medium-gray);
  vertical-align: middle;
}

.table tbody tr:last-child td {
  border-bottom: none;
}

/* ========================================
   FORMULAIRES
   ======================================== */

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--primary-green-dark);
  font-size: 0.9rem;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--medium-gray);
  border-radius: var(--border-radius-small);
  font-size: 0.9rem;
  transition: var(--transition);
  background: var(--white);
}

.form-control:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.12);
  outline: none;
}

.form-control::placeholder {
  color: var(--dark-gray);
  opacity: 0.7;
}

.form-select {
  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='%231E88E5' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 12px center;
  background-repeat: no-repeat;
  background-size: 16px;
  padding-right: 40px;
}

/* ========================================
   BADGES ET ÉTIQUETTES
   ======================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge--success {
  background: var(--success-green);
  color: var(--white);
}

.badge--warning {
  background: var(--warning);
  color: var(--white);
}

.badge--error {
  background: var(--error);
  color: var(--white);
}

.badge--info {
  background: var(--info-green);
  color: var(--white);
}

.badge--primary {
  background: var(--primary-indigo);
  color: var(--white);
}

/* ========================================
   NAVIGATION ET SIDEBAR
   ======================================== */

.navbar {
  background: linear-gradient(135deg, var(--darker-gray) 0%, var(--dark-gray) 100%);
  box-shadow: var(--shadow-medium);
  padding: 1rem 0;
}

.navbar-brand {
  color: var(--white) !important;
  font-weight: 700;
  font-size: 1.5rem;
}

.navbar-nav .nav-link {
  color: var(--white) !important;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-small);
  transition: var(--transition);
}

.navbar-nav .nav-link:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

.sidebar {
  background: var(--white);
  box-shadow: var(--shadow-light);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  padding: 1.5rem 0;
}

.sidebar-nav .nav-link {
  color: var(--dark-gray);
  padding: 0.75rem 1.5rem;
  border-radius: 0 var(--border-radius-small) var(--border-radius-small) 0;
  margin: 0.25rem 0;
  transition: var(--transition);
  border-left: 3px solid transparent;
}

.sidebar-nav .nav-link:hover,
.sidebar-nav .nav-link.active {
  background: #EFF3FF;
  color: var(--primary-indigo-dark);
  border-left-color: var(--primary-indigo);
  transform: translateX(4px);
}

/* ========================================
   DASHBOARD ET WIDGETS
   ======================================== */

.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-light);
  transition: var(--transition);
  border-left: 4px solid var(--primary-green);
}

.stat-card:hover {
  box-shadow: var(--shadow-medium);
  transform: translateY(-4px);
}

.stat-card__icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-light) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.stat-card__value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-green-dark);
  margin-bottom: 0.5rem;
}

.stat-card__label {
  color: var(--dark-gray);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.8rem;
}

/* ========================================
   ALERTES ET NOTIFICATIONS
   ======================================== */

.alert {
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius-small);
  border: none;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.alert--success {
  background: var(--very-light-green);
  color: var(--success-green);
  border-left: 4px solid var(--success-green);
}

.alert--warning {
  background: #FFF3E0;
  color: var(--warning);
  border-left: 4px solid var(--warning);
}

.alert--error {
  background: #FFEBEE;
  color: var(--error);
  border-left: 4px solid var(--error);
}

.alert--info {
  background: #E0F2F1;
  color: var(--info-green);
  border-left: 4px solid var(--info-green);
}

/* ========================================
   MODALES
   ======================================== */

.modal-content {
  border-radius: var(--border-radius);
  border: none;
  box-shadow: var(--shadow-heavy);
}

.modal-header {
  background: var(--gradient-indigo);
  color: var(--white);
  border-bottom: none;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.modal-title {
  color: var(--white);
  font-weight: 600;
}

.modal-footer {
  background: var(--light-gray);
  border-top: 1px solid var(--medium-gray);
  border-radius: 0 0 var(--border-radius) var(--border-radius);
}

/* ========================================
   PAGINATION
   ======================================== */

.pagination {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  justify-content: center;
  margin-top: 2rem;
}

.page-link {
  padding: 0.75rem 1rem;
  border: 2px solid var(--medium-gray);
  background: var(--white);
  color: var(--dark-gray);
  border-radius: var(--border-radius-small);
  text-decoration: none;
  transition: var(--transition);
  font-weight: 500;
}

.page-link:hover {
  background: var(--primary-indigo);
  color: var(--white);
  border-color: var(--primary-indigo);
  transform: translateY(-2px);
}

.page-item.active .page-link {
  background: var(--primary-indigo);
  color: var(--white);
  border-color: var(--primary-indigo);
}

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

@media (max-width: 768px) {
  .dashboard-stats {
    grid-template-columns: 1fr;
  }
  
  .card {
    margin-bottom: 1rem;
  }
  
  .btn {
    width: 100%;
    margin-bottom: 0.5rem;
  }
  
  .table-responsive {
    border-radius: var(--border-radius-small);
    overflow: hidden;
  }
}

@media (max-width: 576px) {
  .card-body {
    padding: 1rem;
  }
  
  .stat-card {
    padding: 1rem;
  }
  
  .stat-card__value {
    font-size: 1.5rem;
  }
}

/* ========================================
   ANIMATIONS ET TRANSITIONS
   ======================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

.slide-in-left {
  animation: slideInLeft 0.6s ease-out;
}

/* ========================================
   UTILITAIRES
   ======================================== */

.text-primary { color: var(--primary-indigo) !important; }
.text-success { color: var(--success-green) !important; }
.text-warning { color: var(--warning) !important; }
.text-error { color: var(--error) !important; }
.text-info { color: var(--info-green) !important; }

.bg-primary { background-color: var(--primary-green) !important; }
.bg-success { background-color: var(--success-green) !important; }
.bg-warning { background-color: var(--warning) !important; }
.bg-error { background-color: var(--error) !important; }
.bg-info { background-color: var(--info-green) !important; }

.border-primary { border-color: var(--primary-green) !important; }
.border-success { border-color: var(--success-green) !important; }
.border-warning { border-color: var(--warning) !important; }
.border-error { border-color: var(--error) !important; }
.border-info { border-color: var(--info-green) !important; }

.shadow-light { box-shadow: var(--shadow-light) !important; }
.shadow-medium { box-shadow: var(--shadow-medium) !important; }
.shadow-heavy { box-shadow: var(--shadow-heavy) !important; }

.rounded { border-radius: var(--border-radius) !important; }
.rounded-small { border-radius: var(--border-radius-small) !important; }

.transition { transition: var(--transition) !important; }