body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f9f9f9;
  color: #333;
}

header {
  background-color: #1976d2;
  color: white;
  padding: 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header nav a {
  color: white;
  text-decoration: none;
  margin-left: 15px;
  font-weight: bold;
}

header nav a:hover {
  text-decoration: underline;
}

main {
  padding: 20px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-grid label {
  display: block;
  margin-bottom: 5px;
}

.form-grid input {
  width: 100%;
}


form.form-card {
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  max-width: 600px;
  margin: 20px auto;
  display: flex;
  flex-direction: column;
}

form.form-card label {
  margin-top: 10px;
}

form.form-card input, form.form-card select {
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

button {
  margin-top: 20px;
  padding: 10px;
  background-color: #1976d2;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background-color: #1565c0;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: 8px;
  overflow: hidden;
}

th, td {
  border: 1px solid #ddd;
  padding: 10px;
  text-align: center;
}

th {
  background-color: #1976d2;
  color: white;
}

.btn {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.25s ease;
}

/* Bouton principal */
.btn-primary {
  background: linear-gradient(135deg, #1976d2, #1e88e5);
  color: white;
  box-shadow: 0 3px 6px rgba(0,0,0,0.15);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1565c0, #1976d2);
  transform: translateY(-2px);
}

/* Bouton secondaire */
.btn-secondary {
  background: white;
  color: #1976d2;
  border: 2px solid #1976d2;
}

.btn-secondary:hover {
  background: #e3f2fd;
}