/* Styles principaux pour l'application de gestion des fournisseurs */

:root {
  --primary-color: #0056b3;
  --secondary-color: #6c757d;
  --success-color: #28a745;
  --danger-color: #dc3545;
  --warning-color: #ffc107;
  --info-color: #17a2b8;
  --light-color: #f8f9fa;
  --dark-color: #343a40;
  --white-color: #ffffff;
  --body-bg: #f5f5f5;
  --font-family: 'Arial', sans-serif;
}

body {
  font-family: var(--font-family);
  background-color: var(--body-bg);
  color: var(--dark-color);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* En-tête */
header {
  background-color: var(--primary-color);
  color: var(--white-color);
  padding: 15px 0;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 24px;
  font-weight: bold;
}

/* Navigation */
nav ul {
  list-style: none;
  display: flex;
  margin: 0;
  padding: 0;
}

nav ul li {
  margin-left: 20px;
}

nav ul li a {
  color: var(--white-color);
  text-decoration: none;
  transition: opacity 0.3s;
}

nav ul li a:hover {
  opacity: 0.8;
}

/* Formulaires */
.form-container {
  background-color: var(--white-color);
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 30px;
  margin-bottom: 30px;
}

.form-title {
  color: var(--primary-color);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid #eee;
}

.form-section {
  margin-bottom: 30px;
}

.form-section-title {
  color: var(--secondary-color);
  margin-bottom: 15px;
  font-size: 18px;
  font-weight: 600;
}

.form-row {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 15px;
  gap: 20px;
}

.form-group {
  flex: 1 0 30%;
  margin-bottom: 15px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
  color: var(--dark-color);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(0, 86, 179, 0.2);
}

.error-text {
  color: var(--danger-color);
  font-size: 12px;
  margin-top: 5px;
}

/* Boutons */
.btn {
  display: inline-block;
  padding: 10px 20px;
  background-color: var(--primary-color);
  color: var(--white-color);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.3s;
}

.btn:hover {
  background-color: #004494;
}

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

.btn-secondary:hover {
  background-color: #5a6268;
}

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

.btn-success:hover {
  background-color: #218838;
}

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

.btn-danger:hover {
  background-color: #c82333;
}

/* Pied de page */
footer {
  background-color: var(--dark-color);
  color: var(--light-color);
  padding: 20px 0;
  text-align: center;
  margin-top: 50px;
}

/* Responsive */
@media (max-width: 768px) {
  .form-group {
    flex: 1 0 100%;
  }
  
  .form-row {
    flex-direction: column;
    gap: 10px;
  }
  
  header .container {
    flex-direction: column;
    text-align: center;
  }
  
  nav ul {
    margin-top: 15px;
    justify-content: center;
  }
  
  nav ul li {
    margin: 0 10px;
  }
}