.qrcb-card{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:20px;max-width:680px;margin:20px 0;box-shadow:0 2px 10px rgba(0,0,0,.03)}
.qrcb-title{margin:0 0 12px 0;font-size:20px}
.qrcb-label{display:block;margin:10px 0 6px 0;font-weight:600}
.qrcb-input{width:100%;padding:10px;border:1px solid #e5e7eb;border-radius:12px}
.qrcb-btn{display:inline-block;padding:10px 14px;border-radius:12px;background:#111827;color:#fff;border:none;text-decoration:none;cursor:pointer}
.qrcb-btn:hover{opacity:.95}
.qrcb-outline{background:transparent;color:#111827;border:1px solid #111827}
.qrcb-sep{display:flex;align-items:center;justify-content:center;margin:14px 0}
.qrcb-sep span{opacity:.6}
.qrcb-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:12px 0}
.qrcb-preview{display:flex;align-items:center;justify-content:center;min-height:280px;border:1px dashed #d1d5db;border-radius:12px;background:#f9fafb;margin:12px 0}
.qrcb-actions{display:flex;gap:12px;margin:12px 0}
.qrcb-small{font-size:12px;opacity:.7}