/* ===== RESET ===== */
* {
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  margin: 0;
  background: #f4f6f9;
  color: #333;
}

/* ===== LAYOUT ===== */
.container {
  max-width: 1400px;
  margin: auto;
  padding: 15px;
}

.main {
  display: flex;
  gap: 20px;
}

/* ===== MENU ===== */
.menu {
  width: 260px;
  background: #1e1e2f;
  min-height: 100vh;
  padding: 15px;
}

.menu a {
  display: block;
  padding: 10px;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  margin-bottom: 5px;
}

.menu a:hover {
  background: #4CAF50;
}

/* ===== CONTENU ===== */
.content {
  flex: 1;
  background: #fff;
  padding: 20px;
  border-radius: 6px;
}

/* ===== TITRES ===== */
h1, h2, h3 {
  margin-top: 0;
  color: #222;
}

/* ===== FORMULAIRES ===== */
form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
}

form label {
  font-weight: bold;
}

form input,
form select,
form button {
  padding: 8px;
  width: 100%;
}

form button {
  grid-column: span 2;
  background: #4CAF50;
  border: none;
  color: #fff;
  cursor: pointer;
}

/* ===== TABLEAUX ===== */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 15px;
}

th {
  background: #4CAF50;
  color: #fff;
}

th, td {
  border: 1px solid #ddd;
  padding: 8px;
  text-align: left;
}

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

/* ===== MOBILE (fallback) ===== */
@media (max-width: 768px) {
  .main {
    flex-direction: column;
  }

  .menu {
    width: 100%;
    min-height: auto;
  }

  form {
    grid-template-columns: 1fr;
  }
}