:root {
  /* =========================================
     🎨 PALETTE DE COULEURS ISPAN
     ========================================= */
  /* Bleu Institutionnel - Autorité, Conservation, Nuit haïtienne */
  --ispan-blue-900: #071324;
  --ispan-blue-800: #0B1D36;
  --ispan-blue-700: #112A4F;
  --ispan-blue-main: #173767;
  --ispan-blue-light: #2A5298;

  /* Ocre/Or Patrimonial - Richesse historique, Prestige, Soleil */
  --ispan-gold-main: #D4AF37;
  --ispan-gold-light: #E8CA66;
  --ispan-gold-dark: #AA8A26;
  --ispan-gold-glow: rgba(212, 175, 55, 0.3);

  /* Blanc Épure & Neutres - Lisibilité, Minimalisme */
  --bg-main: #F8F9FA;
  --surface-main: #FFFFFF;
  --surface-glass: rgba(255, 255, 255, 0.85);
  
  --text-primary: #1A202C;
  --text-secondary: #4A5568;
  --text-tertiary: #A0AEC0;
  
  --border-light: #E2E8F0;
  --border-glass: rgba(255, 255, 255, 0.4);

  /* Feedback Colors */
  --success: #38A169;
  --warning: #DD6B20;
  --error: #E53E3E;

  /* =========================================
     🖋️ TYPOGRAPHIE
     ========================================= */
  --font-heading: 'Playfair Display', serif; /* Prestige & Histoire */
  --font-body: 'Outfit', sans-serif;         /* Modernité & Lisibilité */

  /* =========================================
     📐 ESPACEMENTS & BORDURES (Tokens)
     ========================================= */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* =========================================
     ✨ OMBRES & EFFETS
     ========================================= */
  --shadow-sm: 0 2px 4px rgba(7, 19, 36, 0.04);
  --shadow-md: 0 8px 16px rgba(7, 19, 36, 0.08);
  --shadow-lg: 0 16px 32px rgba(7, 19, 36, 0.12);
  --shadow-gold: 0 8px 24px var(--ispan-gold-glow);
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  
  --glass-blur: blur(12px);
}

/* =========================================
   🌐 RESET & BASE
   ========================================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--ispan-blue-main);
  font-weight: 700;
  line-height: 1.2;
}

p {
  color: var(--text-secondary);
}

a {
  color: var(--ispan-blue-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--ispan-blue-main);
}

/* =========================================
   🧩 COMPOSANTS DU DESIGN SYSTEM
   ========================================= */

/* --- Layout --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section-title {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 40px;
  height: 3px;
  background-color: var(--ispan-gold-main);
  border-radius: var(--radius-full);
}

/* --- Boutons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition-smooth);
  text-decoration: none;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background-color: var(--ispan-blue-main);
  color: var(--surface-main);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background-color: var(--ispan-blue-800);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.btn-gold {
  background: linear-gradient(135deg, var(--ispan-gold-light), var(--ispan-gold-main));
  color: var(--ispan-blue-900);
  box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
  background: linear-gradient(135deg, var(--ispan-gold-main), var(--ispan-gold-dark));
  transform: translateY(-2px);
  box-shadow: 0 12px 28px var(--ispan-gold-glow);
}

.btn-outline {
  background-color: transparent;
  color: var(--ispan-blue-main);
  border: 2px solid var(--ispan-blue-main);
}

.btn-outline:hover {
  background-color: rgba(23, 55, 103, 0.05);
}

.btn-glass {
  background: var(--surface-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  color: var(--ispan-blue-main);
  box-shadow: var(--shadow-sm);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.95);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* --- Cartes (Cards) --- */
.card {
  background-color: var(--surface-main);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: all var(--transition-smooth);
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(212, 175, 55, 0.3); /* Subtil reflet or au hover */
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
}

/* --- Formulaires & Inputs --- */
.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
  width: 100%;
}

.input-label {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.input-field {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background-color: var(--surface-main);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.input-field:focus {
  outline: none;
  border-color: var(--ispan-gold-main);
  box-shadow: 0 0 0 3px var(--ispan-gold-glow);
}

.input-field::placeholder {
  color: var(--text-tertiary);
}

.search-bar {
  position: relative;
  display: flex;
  align-items: center;
}

.search-bar i {
  position: absolute;
  left: 16px;
  color: var(--text-tertiary);
}

.search-bar .input-field {
  padding-left: 44px;
  border-radius: var(--radius-full);
  background-color: white;
  border: none;
  box-shadow: var(--shadow-sm);
}

/* --- Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-gold {
  background-color: rgba(212, 175, 55, 0.1);
  color: var(--ispan-gold-dark);
  border: 1px solid rgba(212, 175, 55, 0.3);
}

.badge-blue {
  background-color: rgba(23, 55, 103, 0.08);
  color: var(--ispan-blue-main);
}

/* --- Header Institutionnel (Mockup) --- */
.ispan-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--surface-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.header-logo-placeholder {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--ispan-blue-main), var(--ispan-blue-800));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ispan-gold-main);
  font-size: 1.2rem;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.header-logo-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.header-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--ispan-blue-900);
  margin: 0;
}

.header-subtitle {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 1.2rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-btn:hover {
  background: rgba(0,0,0,0.05);
  color: var(--ispan-blue-main);
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: var(--border-light);
  background-image: url('https://ui-avatars.com/api/?name=User&background=D4AF37&color=fff');
  background-size: cover;
  border: 2px solid var(--ispan-gold-main);
  cursor: pointer;
}

/* =========================================
   📱 FLOATING ACTION BUTTON (Scanner IA)
   ========================================= */
.fab-scanner {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--ispan-gold-light), var(--ispan-gold-main));
  color: var(--ispan-blue-900);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: var(--shadow-gold);
  cursor: pointer;
  border: none;
  transition: all var(--transition-smooth);
  z-index: 1000;
  animation: pulse-gold 2s infinite;
}

.fab-scanner:hover {
  transform: scale(1.05) translateY(-5px);
  animation: none;
}

@keyframes pulse-gold {
  0% { box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.4); }
  70% { box-shadow: 0 0 0 15px rgba(212, 175, 55, 0); }
  100% { box-shadow: 0 0 0 0 rgba(212, 175, 55, 0); }
}

/* --- Grille de Présentation --- */
.ds-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.ds-section {
  padding: var(--spacing-2xl) 0;
  border-bottom: 1px solid var(--border-light);
}

.ds-section:last-child {
  border-bottom: none;
}