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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  max-width: 900px;
  margin: 0 auto;
  padding: 1rem;
  background: #fafafa;
  color: #222;
}

h1 { margin-bottom: 0.25rem; }
h2 { margin: 1.5rem 0 0.5rem; }

#status { color: #666; margin-bottom: 1rem; }

#filter-bar {
  margin-bottom: 1rem;
}

#filter-bar button {
  padding: 0.4rem 1rem;
  margin-right: 0.5rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  background: #fff;
  cursor: pointer;
  font-size: 0.9rem;
}

#filter-bar button.active {
  background: #222;
  color: #fff;
  border-color: #222;
}

#leaderboard {
  padding-left: 1.5rem;
}
#leaderboard li {
  margin-bottom: 0.25rem;
  font-size: 1.1rem;
}
#leaderboard li span.count {
  font-weight: bold;
}

#timeline-chart {
  max-height: 350px;
}

#photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(128px, 1fr));
  gap: 0.5rem;
}

#photo-grid .photo-card {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 4px;
  overflow: hidden;
  text-align: center;
}

#photo-grid .photo-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
}

#photo-grid .photo-card .caption {
  font-size: 0.75rem;
  padding: 0.25rem;
  color: #555;
}