* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: #0a0a0a;
  color: #eee;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 3px;
  padding: 3px;
  padding-bottom: 3rem;
}

.grid button {
  display: block;
  position: relative;
  width: 100%;
  margin: 0;
  padding: 0;
  border: none;
  background: none;
  font: inherit;
  cursor: zoom-in;
}

.grid img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  background: #111;
  transition: opacity 0.15s ease;
}

.grid button:hover img {
  opacity: 0.85;
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  cursor: zoom-out;
  z-index: 10;
}

.lightbox[hidden] {
  display: none;
}

.lightbox img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.empty {
  padding: 3rem 1rem;
  text-align: center;
  color: #666;
  font-size: 0.95rem;
}

.banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 5;
  padding: 0.85rem 1rem;
  text-align: center;
  color: #666;
  font-size: 0.85rem;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(6px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.banner a {
  color: #999;
}

.banner a:hover {
  color: #eee;
}