* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  height: 100vh;
  overflow: hidden;
}

.container {
  display: flex;
  width: 100%;
  height: 100vh;
  flex-direction: row; /* <- Fix desktop layout */
}

.sidebar {
  width: 220px;
  background-color: #1e1e2f;
  color: #fff;
  padding: 20px;
  position: relative;
}

.sidebar h2 {
  margin-bottom: 20px;
  margin-top: 60px;
  font-size: 20px;
}

.sidebar ul {
  list-style: none;
}

.sidebar li {
  margin: 15px 0;
}

.sidebar a {
  color: #fff;
  text-decoration: none;
}

.sidebar a:hover {
  text-decoration: underline;
}

main#content {
  flex: 1;
  padding: 30px;
  padding-top: 80px;
  background-color: #f5f5f5;
  overflow-y: auto;
}

/* Bouton hamburger */
.menu-btn {
  display: none;
  position: fixed;
  top: 15px;
  left: 15px;
  font-size: 24px;
  background: #1e1e2f;
  color: white;
  border: none;
  padding: 10px 15px;
  cursor: pointer;
  z-index: 1001;
}

.close-btn {
  display: none;
  background: none;
  color: white;
  border: none;
  font-size: 24px;
  position: absolute;
  top: 15px;
  right: 15px;
  cursor: pointer;
  z-index: 1002;
}



/* Responsive mobile */
@media (max-width: 768px) {
  .container {
    flex-direction: column; /* <- S'applique uniquement en mobile */
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: -240px;
    height: 100%;
    width: 220px;
    transition: left 0.3s ease-in-out;
    z-index: 1000;
  }

  .sidebar.open {
    left: 0;
  }

  .menu-btn {
    display: block;
  }

  .sidebar.open .close-btn {
    display: block;
  }
}