body { font-family: sans-serif; background: #f0f2f5; display: flex; justify-content: center; padding: 40px; }
.container { background: white; padding: 25px; border-radius: 8px; box-shadow: 0 4px 10px rgba(0,0,0,0.1); width: 450px; }
.grid-inputs { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 15px; }
input { padding: 10px; border: 1px solid #ccc; border-radius: 4px; }
button { width: 100%; padding: 12px; background: #0056b3; color: white; border: none; cursor: pointer; font-weight: bold; }
.hidden { display: none; }
.card-resultado { border-left: 5px solid #28a745; background: #f8fff9; padding: 15px; margin-top: 10px; display: flex; justify-content: space-between; align-items: center; }
.precio { font-weight: bold; color: #28a745; font-size: 1.2em; }