body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #ffffff;
  color: #1a1a1a;
  margin: 0;
  padding: 0;
}

/* 🟦 Bandeau menu / entête */
header {
  background-color: #2980b9;
  color: white;
  padding: 1.5rem;
  margin-bottom: 2rem;
}
header h1, header h2 {
  margin: 0 0 1rem;
}
header form, header .form-area {
  background-color: transparent;
  color: white;
}
header label, header input, header select, header button {
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
  font-weight: 500;
}
header input, header select {
  padding: 0.4rem 0.6rem;
  border: none;
  border-radius: 4px;
}
header button {
  padding: 0.5rem 1rem;
  border: none;
  background-color: #2167a5;
  color: white;
  border-radius: 4px;
  cursor: pointer;
}
header button:hover {
  background-color: #1b5488;
}

/* Tableaux */
table {
  width: 100%;
  border-collapse: collapse;
  background-color: white;
  color: #1a1a1a;
  margin-top: 1rem;
}
th, td {
  padding: 0.75rem;
  border: 1px solid #ccc;
  text-align: left;
}
th {
  background-color: #e6f0fa;
}

/* Bouton de thème */
#themeToggle {
  position: fixed;
  top: 10px;
  right: 10px;
  background-color: #2980b9;
  color: white;
  border: none;
  padding: 8px 12px;
  cursor: pointer;
  border-radius: 5px;
  font-weight: bold;
  z-index: 1000;
}

/* Zones cartes */
.client-details, .section {
  background-color: #ffffff;
  border: 1px solid #cce0f5;
  padding: 1rem;
  margin-bottom: 1.5rem;
  border-radius: 6px;
}

/* Mode sombre */
body.dark-mode {
  background-color: #1e1e1e;
  color: #e0e0e0;
}
body.dark-mode header {
  background-color: #1f4e79;
}
body.dark-mode table {
  background-color: #2c2c2c;
  color: #e0e0e0;
}
body.dark-mode th {
  background-color: #3b3b3b;
}
body.dark-mode td {
  border-color: #444;
}
body.dark-mode .client-details {
  background-color: #2a2a2a;
  border-color: #444;
}
body.dark-mode h2 {
  color: #ffffff;
}

/* 🟦 Bandeau de navigation fixe */
.topnav {
  background-color: #1e74d7;
  overflow: hidden;
  padding: 1rem;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 999;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.topnav a {
  float: left;
  display: block;
  color: #ffffff;
  text-align: center;
  padding: 0.5rem 1rem;
  text-decoration: none;
  font-weight: bold;
}

.topnav a:hover {
  background-color: #105ba6;
  color: white;
}

/* 📋 Zone formulaire de recherche sous le bandeau */
.form-header {
  margin-top: 5rem;
  padding: 1rem 2rem;
  background-color: #5288bd;
  border-bottom: 1px solid #d0e3f0;
	color : #ffffff;
}

.form-header h2 {
  margin-top: 0;
}

.form-header form {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.form-header input[type="text"],
.form-header select {
  padding: 0.5rem;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.form-header button {
  padding: 0.5rem 1rem;
  background-color: #2980b9;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.form-header button:hover {
  background-color: #2167a5;
}