/* Modern Theme CSS - Banco de Portugal Inspired */
:root {
  /* Palette de couleurs principale */
  --primary-gold: #C5A572;           /* Or doré principal */
  --primary-gold-dark: #A08751;      /* Or foncé */
  --primary-gold-light: #D4B987;     /* Or clair */
  --primary-navy: #1E3A5F;           /* Bleu marine principal */
  --primary-navy-dark: #0F1E2F;      /* Bleu marine foncé */
  --primary-navy-light: #2B4A6B;     /* Bleu marine clair */
  
  /* Couleurs de fond et texte */
  --background-primary: #FAFAFA;      /* Blanc cassé */
  --background-secondary: #F5F7FA;    /* Gris très clair */
  --background-card: #FFFFFF;         /* Blanc pur */
  --text-primary: #1E3A5F;           /* Texte principal */
  --text-secondary: #5A6C7D;         /* Texte secondaire */
  --text-muted: #8B9AA8;             /* Texte atténué */
  
  /* Couleurs d'état */
  --success: #28A745;
  --warning: #FFC107;
  --error: #DC3545;
  --info: #17A2B8;
  
  /* Ombres et bordures */
  --shadow-sm: 0 2px 4px rgba(30, 58, 95, 0.08);
  --shadow-md: 0 4px 12px rgba(30, 58, 95, 0.12);
  --shadow-lg: 0 8px 24px rgba(30, 58, 95, 0.16);
  --border-color: #E8ECF0;
  --border-radius-sm: 0.5rem;
  --border-radius-md: 0.75rem;
  --border-radius-lg: 1rem;
  
  /* Transitions */
  --transition-fast: 0.2s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

/* Reset et base */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background-primary);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 1rem 0;
}

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 {
  margin: 0 0 1rem 0;
  color: var(--text-secondary);
}

/* Liens */
a {
  color: var(--primary-gold);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--primary-gold-dark);
  text-decoration: underline;
}

/* Boutons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--border-radius-sm);
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-normal);
  line-height: 1.5;
  min-width: 120px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-gold), var(--primary-gold-dark));
  color: white;
  border: 2px solid transparent;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-gold-dark), var(--primary-gold));
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background-color: var(--background-secondary);
  border-color: var(--primary-gold);
}

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

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

/* Cartes */
.card {
  background-color: var(--background-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

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

.card-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}

.card-title {
  color: var(--text-primary);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
}

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

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

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-size: 1rem;
  transition: var(--transition-fast);
  background-color: var(--background-card);
  color: var(--text-primary);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary-gold);
  box-shadow: 0 0 0 3px rgba(197, 165, 114, 0.1);
}

/* Tables */
.table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--background-card);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

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

.table th {
  background-color: var(--background-secondary);
  color: var(--text-primary);
  font-weight: 600;
}

.table tr:hover {
  background-color: rgba(197, 165, 114, 0.05);
}

/* Navigation */
.navbar {
  background: linear-gradient(135deg, var(--primary-navy), var(--primary-navy-dark));
  padding: 1rem 0;
  box-shadow: var(--shadow-md);
}

.nav-link {
  color: white;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-sm);
  transition: var(--transition-fast);
}

.nav-link:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--primary-gold-light);
}

.nav-link.active {
  background-color: var(--primary-gold);
  color: white;
}

/* Messages d'alerte */
.alert {
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius-sm);
  margin-bottom: 1rem;
  border-left: 4px solid;
}

.alert-success {
  background-color: rgba(40, 167, 69, 0.1);
  border-left-color: var(--success);
  color: var(--success);
}

.alert-warning {
  background-color: rgba(255, 193, 7, 0.1);
  border-left-color: var(--warning);
  color: #856404;
}

.alert-error {
  background-color: rgba(220, 53, 69, 0.1);
  border-left-color: var(--error);
  color: var(--error);
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }
  
  .btn {
    width: 100%;
    margin-bottom: 0.5rem;
  }
  
  .card {
    padding: 1rem;
  }
}

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

@keyframes slideIn {
  from { transform: translateX(-100%); }
  to { transform: translateX(0); }
}

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

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

/* Utilitaires */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }

.rounded { border-radius: var(--border-radius-sm); }
.rounded-lg { border-radius: var(--border-radius-lg); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }