body {
  margin: 0;
  background: #0b0b0b;
  font-family: system-ui;
  color: white;
}

header {
  position: fixed;
  top: 0;
  padding: 20px;
  font-size: 12px;
  opacity: 0.6;
}

.grid {
  margin-top: 70px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 6px;
  padding: 6px;
}

.grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: pointer;
}

#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.95);
  align-items: center;
  justify-content: center;
}

#lightbox img {
  max-width: 90%;
  max-height: 90%;
}