body { margin: 0; font-family: sans-serif; }
.site-header { background: #2c3e50; color: #fff; padding: 10px 20px; display: flex; align-items: center; justify-content: space-between; }
.site-header a { color: #fff; text-decoration: none; margin-right: 10px; }
.site-header nav a { margin-right: 12px; }
.site-footer { background: #2c3e50; color: #fff; padding: 15px 20px; text-align: center; }
.map-container { width: 100%; height: 500px; }
.home-page { display: flex; flex-direction: row; }
.home-page .map-container { flex: 3; height: calc(100vh - 120px); }
.home-page .sidebar { flex: 1; padding: 15px; background: #f5f5f5; overflow-y: auto; }
.sidebar input { width: 100%; padding: 8px; margin-bottom: 10px; }
.filters button { margin: 2px; padding: 6px 10px; }
  .overlays { margin-top: 10px; }
  .overlays select { width: 100%; padding: 6px; margin-bottom: 6px; }
  #legend { margin-top: 8px; }
  #legend span { display: flex; align-items: center; margin-bottom: 4px; }
  #legend span::before { content: ''; display: inline-block; width: 14px; height: 14px; margin-right: 6px; }
  #legend span::before { background-color: var(--color); }
.country-page, .region-page, .quiz-page, .game-page, .not-found-page { padding: 20px; }
.country-info p { margin: 4px 0; }
  .country-info .flag { display: block; margin-bottom: 8px; }
@media (max-width: 768px) {
  .home-page { flex-direction: column; }
  .home-page .map-container { height: 400px; }
  .home-page .sidebar { height: auto; }
}