/* Dashboard Financier - Style Apple moderne */

:root {
  /* Couleurs principales */
  --primary-blue: #007AFF;
  --primary-green: #34C759;
  --primary-red: #FF3B30;
  --primary-orange: #FF9500;
  --primary-purple: #AF52DE;
  
  /* Couleurs neutres */
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  
  /* Couleurs de fond */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8F9FA;
  --bg-tertiary: #F1F3F4;
  
  /* 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);
  
  /* Bordures */
  --border-radius: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 20px;
  
  /* Typographie */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  color: var(--gray-800);
  line-height: 1.6;
  min-height: 100vh;
}

/* Header */
.header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-200);
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-blue);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo::before {
  content: "📊";
  font-size: 1.8rem;
}

.header-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--gray-600);
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--primary-green);
  color: white;
  border-radius: 20px;
  font-weight: 500;
}

.status-indicator::before {
  content: "●";
  animation: pulse 2s infinite;
}

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

/* Container principal */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

/* Grille des KPI */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.kpi-card {
  background: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-blue), var(--primary-purple));
}

.kpi-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.kpi-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.kpi-icon {
  font-size: 1.5rem;
  opacity: 0.7;
}

.kpi-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

.kpi-change {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
}

.kpi-change.positive {
  color: var(--primary-green);
}

.kpi-change.negative {
  color: var(--primary-red);
}

.kpi-change.neutral {
  color: var(--gray-500);
}

/* Grille des graphiques */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.chart-container {
  background: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--gray-200);
}

.chart-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gray-800);
}

.chart-filters {
  display: flex;
  gap: 0.5rem;
}

.filter-btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--gray-300);
  background: var(--bg-primary);
  border-radius: 8px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-btn:hover {
  background: var(--gray-100);
}

.filter-btn.active {
  background: var(--primary-blue);
  color: white;
  border-color: var(--primary-blue);
}

.chart-content {
  height: 300px;
  position: relative;
}

/* Graphiques en pleine largeur */
.chart-full-width {
  grid-column: 1 / -1;
}

.chart-full-width .chart-content {
  height: 400px;
}

/* Tableaux */
.table-container {
  background: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  margin-bottom: 2rem;
}

.table-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--gray-200);
  background: var(--gray-50);
}

.table-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gray-800);
}

.table-wrapper {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
}

.data-table th {
  background: var(--gray-50);
  font-weight: 600;
  color: var(--gray-700);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.data-table tr:hover {
  background: var(--gray-50);
}

.data-table .amount {
  font-weight: 600;
  text-align: right;
}

.data-table .amount.positive {
  color: var(--primary-green);
}

.data-table .amount.negative {
  color: var(--primary-red);
}

/* Badges de statut */
.status-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-badge.paid {
  background: rgba(52, 199, 89, 0.1);
  color: var(--primary-green);
}

.status-badge.pending {
  background: rgba(255, 149, 0, 0.1);
  color: var(--primary-orange);
}

.status-badge.overdue {
  background: rgba(255, 59, 48, 0.1);
  color: var(--primary-red);
}

/* Alertes */
.alert {
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.alert.success {
  background: rgba(52, 199, 89, 0.1);
  color: var(--primary-green);
  border: 1px solid rgba(52, 199, 89, 0.2);
}

.alert.warning {
  background: rgba(255, 149, 0, 0.1);
  color: var(--primary-orange);
  border: 1px solid rgba(255, 149, 0, 0.2);
}

.alert.error {
  background: rgba(255, 59, 48, 0.1);
  color: var(--primary-red);
  border: 1px solid rgba(255, 59, 48, 0.2);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
  
  .container {
    padding: 1rem;
  }
  
  .header-content {
    flex-direction: column;
    gap: 1rem;
  }
}

@media (max-width: 768px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }
  
  .header {
    padding: 1rem;
  }
  
  .kpi-value {
    font-size: 1.5rem;
  }
  
  .chart-content {
    height: 250px;
  }
  
  .chart-full-width .chart-content {
    height: 300px;
  }
}

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

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

/* Utilitaires */
.text-center { text-align: center; }
.text-right { text-align: right; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mt-4 { margin-top: 1rem; }
.p-4 { padding: 1rem; }

/* Classes pour les montants */
.amount-positive {
  color: var(--primary-green);
  font-weight: 600;
}

.amount-negative {
  color: var(--primary-red);
  font-weight: 600;
}

.amount-neutral {
  color: var(--gray-600);
  font-weight: 600;
}