body {
  margin: 0;
  padding: 0;
  background: #111;
  color: #fff;
  font-family: sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  text-align: center;
  max-width: 90vw;
  max-height: 90vh;
}

img {
  max-width: 100%;
  max-height: 70vh;
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

#caption {
  margin-top: 1rem;
  font-size: 1rem;
  color: #ccc;
  font-style: italic;
}

#counter {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: #aaa;
}

.nav {
  margin-top: 1rem;
}

button {
  background: #333;
  color: white;
  border: none;
  padding: 10px 20px;
  margin: 0 10px;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background: #555;
}

#tag-filters {
  margin-bottom: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

#tag-filters button {
  background: #222;
  color: white;
  border: 1px solid #444;
  padding: 5px 10px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.9rem;
}

#tag-filters button.active {
  background: #555;
  border-color: #888;
}