body {
  background: #f5f6f8;
}

.sidebar {
  width: 250px;
  min-height: 100vh;
  background: #e9edf2;
}

.nav-link {
  color: #333;
  border-radius: 10px;
  padding: 8px 12px;
  margin-bottom: 5px;
}

.nav-link:hover {
  background: #dbe4ff;
}

.nav-link.active {
  background: #5c7cfa;
  color: white;
}

.icon {
  margin-right: 8px;
  background: #d0e2ff;
  padding: 6px;
  border-radius: 50%;
}

.submenu {
  list-style: none;
  padding-left: 35px;
  font-size: 14px;
}

.submenu li a {
  text-decoration: none;
  color: #555;
}

.submenu li a:hover {
  color: #5c7cfa;
}