body {
  color: red;
  font-family: monospace;
  margin: 0;
  padding: 20px;
  overflow-x: hidden;
  position: relative;
  background: transparent; /* Make sure background is transparent */
}

#matrixCanvas {
  position: fixed;
  top: 0;
  left: 0;
  z-index: -1; /* Behind all content */
  width: 100%;
  height: 100%;
  background: black; /* Black base under the falling code */
}

.header {
  text-align: center;
  font-size: 36px;
  color: lime;
  text-shadow: 0 0 5px red;
}

.grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 30px;
}

.item {
  border: 1px solid red;
  padding: 10px;
  text-align: center;
  background-color: rgba(17, 17, 17, 0.85); /* Semi-transparent so Matrix shows through */
}

.item img {
  max-width: 100%;
  height: 100px;
  object-fit: cover;
}

button {
  background: red;
  color: black;
  border: none;
  padding: 8px 12px;
  cursor: pointer;
  font-weight: bold;
}

.checkout {
  display: none;
  background-color: rgba(17, 17, 17, 0.85);
  padding: 20px;
  margin-top: 30px;
  border: 2px solid red;
}

.checkout input {
  display: block;
  margin: 10px 0;
  padding: 5px;
  background: black;
  color: lime;
  border: 1px solid red;
}
