body {
  font-family: Arial;
  text-align: center;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
}

.filters {
  margin: 20px;
}

.filters button {
  padding: 10px 15px;
  margin: 5px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  background: white;
  color: black;
}

/* GALLERY */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  padding: 20px;
}

.image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 12px;
  cursor: pointer;
  transition: 0.3s;
}

.image:hover {
  transform: scale(1.08);
}

/* LIGHTBOX */
#lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.9);
  justify-content: center;
  align-items: center;
}

#lightbox img {
  max-width: 80%;
  max-height: 80%;
  border-radius: 10px;
}

/* ARROWS */
#lightbox button {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 30px;
  background: rgba(255,255,255,0.2);
  border: none;
  color: white;
  padding: 10px 15px;
  cursor: pointer;
  border-radius: 50%;
  z-index: 1000;
}

#lightbox button:first-of-type {
  left: 20px;
}

#lightbox button:last-of-type {
  right: 20px;
}

/* CLOSE */
#lightbox span {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 30px;
  cursor: pointer;
}