body { font-family: Arial; background:#fafafa; text-align:center; }
header { background:#222; color:#fff; padding:20px; }
.categories, .products { display:flex; flex-wrap:wrap; justify-content:center; gap:20px; }
.category, .product { background:white; padding:10px; border:1px solid #ccc; width:180px; }
a { text-decoration:none; color:#007bff; }
button { padding:6px 12px; cursor:pointer; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #222;
  padding: 15px;
  color: white;
}
.topbar a {
  color: white;
  margin: 0 10px;
  text-decoration: none;
}
.topbar a:hover { text-decoration: underline; }
footer {
  margin-top: 40px;
  padding: 20px;
  background: #eee;
  color: #444;
}
table { border-collapse: collapse; margin: 20px auto; }
th, td { padding: 10px 15px; }
.add-cart-btn {
  background: #0d6efd;
  color: #fff;
  padding: 10px 15px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
  transition: 0.3s ease;
}
.add-cart-btn:hover {
  background: #0056b3;
  transform: scale(1.05);
}