body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #eef2f7;
  color: #333;
}

.site-header, .site-footer {
  background-color: #003366;
  color: white;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sub-header {
  background-color: #dbe4f0;
  padding: 1rem;
}

.sidebar-nav {
  background-color: #e6ecf3;
  padding: 1rem;
}

.menu-icon {
  font-size: 2rem;
  background-color: #006bb3;
  color: white;
  padding: 0.5rem;
  border-radius: 4px;
  cursor: pointer;
}

.menu a, .submenu-label {
  background-color: white;
  color: #003366;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  text-decoration: none;
  transition: background 0.3s;
}

.menu a:hover, .submenu-label:hover {
  background-color: #dbe4f0;
}

.content-block, .grid-block {
  background-color: white;
  padding: 1rem;
  border-radius: 6px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
  transition: box-shadow 0.3s ease;
}

.content-block:hover, .grid-block:hover {
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.badge {
  background-color: #006bb3;
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
}

.badge:hover {
  background-color: #005a9e;
}