.bldg-container { max-width: 700px; margin: 20px auto; padding: 20px; background: #f9f9f9; border: 1px solid #ccc; }
.bldg-container input, .bldg-container select, .bldg-container textarea { width: 100%; margin-bottom: 10px; padding: 8px; }
.bldg-preview { background: #fff; padding: 15px; border: 1px solid #ccc; margin-top: 20px; }
.bldg-terms { background: #f0f0f0; padding: 10px; border-left: 4px solid #888; }