body {
  font-family: system-ui, -apple-system, sans-serif;
  background-color: #121212;
  color: #fff;
  text-align: center;
  padding: 15px;
  margin: 0;
}
header h1 { color: #00ff87; margin-bottom: 5px; }
header p { color: #aaa; margin-top: 0; font-size: 0.9rem; }

.catalogo {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 400px;
  margin: 20px auto;
}

.card {
  background: #1e1e1e;
  border-radius: 12px;
  border: 1px solid #333;
  overflow: hidden;
  box-shadow: 0 4px 10px rgba(0,0,0,0.5);
}

.card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.card-body {
  padding: 15px;
}

.card h3 { margin: 0 0 10px 0; font-size: 1.2rem; }
.precio { font-size: 1.4rem; font-weight: bold; color: #00ff87; margin: 5px 0 15px 0; }

button {
  background: #25d366;
  color: white;
  border: none;
  padding: 12px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  width: 100%;
}

.agotado {
  background: #444;
  color: #888;
  cursor: not-allowed;
}