/* 條碼產生器頁專用樣式；欄位、按鈕沿用 site.css */
.bc-warn { background: #fffbeb; border: 2px solid var(--warn); border-radius: 12px; padding: 12px 16px; margin: 1rem 0; }
.bc-warn strong { display: block; font-size: 1.1rem; }
.bc-warn p { margin: .35rem 0 0; font-size: 1rem; }
.bc-preview { display: flex; justify-content: center; margin: 12px 0; padding: 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--soft); overflow-x: auto; }
.bc-preview canvas { max-width: 100%; height: auto; background: #fff; }
.bc-preview canvas.empty { width: 120px; height: 60px; background: transparent; }
@media (max-width: 480px) { .qr-dl { grid-template-columns: 1fr; } }