/* Variables personnalisées */
:root {
  --primary-color: #1f5a6b;
  --secondary-color: #2d8a96;
  --accent-color: #ff6b6b;
  --font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

/* Personnalisation générale */
body {
  font-family: var(--font-family);
}

/* Liens */
a {
  color: var(--secondary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--accent-color);
}

/* Code blocks */
code {
  background-color: #f5f5f5;
  border-radius: 4px;
  padding: 2px 6px;
  font-family: "Monaco", "Courier New", monospace;
}

/* Titres */
h1, h2, h3 {
  color: var(--primary-color);
  font-weight: 600;
}

/* Callouts */
.callout {
  border-left: 4px solid var(--secondary-color);
  padding: 12px;
  margin: 15px 0;
  background-color: #f9f9f9;
  border-radius: 4px;
}

.callout.warning {
  border-left-color: var(--accent-color);
}

.callout.note {
  border-left-color: #3498db;
}

.callout.tip {
  border-left-color: #2ecc71;
}

/* Cards pour cours */
.card {
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 20px;
  margin: 15px 0;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

/* Tableaux */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 15px 0;
}

table th {
  background-color: var(--primary-color);
  color: white;
  padding: 10px;
  text-align: left;
}

table td {
  border: 1px solid #ddd;
  padding: 10px;
}

table tr:nth-child(even) {
  background-color: #f9f9f9;
}

.columns {
  display: flex !important;
  align-items: center !important;
}