/* QR Code Generator — tool-specific styles */
.qr-preview-wrap {
  text-align: center;
  margin-top: 20px;
}
.qr-preview {
  display: inline-block;
  background: #fff;
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 16px;
  line-height: 0;
}
.qr-preview canvas, .qr-preview img { width: 220px; height: 220px; image-rendering: pixelated; }
.qr-placeholder {
  text-align: center;
  padding: 44px 20px;
  border: 2.5px dashed var(--border);
  border-radius: var(--radius);
  margin-top: 20px;
  color: var(--text-muted);
}
.qr-placeholder i { font-size: 2.6rem; margin-bottom: 10px; opacity: .5; }