body {
  font-family: sans-serif;
  background:#f5f5f5;
  margin:0;
  color:#222;
}

header {
  background:#2e7d32;
  color:#fff;
  padding:10px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
}

header h1 {
  margin:0;
  font-size:22px;
}

#share-btn {
  border:1px solid rgba(255,255,255,.7);
  background:rgba(255,255,255,.12);
  color:#fff;
  border-radius:999px;
  padding:8px 12px;
  cursor:pointer;
}

#product-list {
  max-width:960px;
  margin:20px auto;
  padding:0 12px;
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(240px, 1fr));
  gap:14px;
}

.card {
  background:#fff;
  margin:0;
  padding:10px;
  border-radius:8px;
  box-shadow:0 2px 10px rgba(0,0,0,.08);
  cursor:pointer;
}

.card img {
  display:block;
  width:100%;
  aspect-ratio:1/1;
  object-fit:cover;
  border-radius:6px;
  background:#ddd;
}

.card h3 {
  margin:10px 0 6px;
}

.card p {
  margin:0 0 4px;
  line-height:1.7;
}

footer {
  margin:36px 0 0;
  padding:20px 12px;
  text-align:center;
  font-size:12px;
  color:#666;
}

#noise-overlay {
  position:fixed;
  top:0;left:0;
  width:100%;height:100%;
  background:black;
  color:red;
  display:none;
  justify-content:center;
  align-items:center;
  font-size:24px;
  z-index:9999;
  text-align:center;
  padding:20px;
  box-sizing:border-box;
}

#noise-overlay.is-active {
  display:flex;
}

@media (max-width: 600px) {
  header {
    align-items:flex-start;
    flex-direction:column;
  }

  header h1 {
    font-size:20px;
  }

  #share-btn {
    width:100%;
  }
}