/* Estilos mínimos para el generador QR avanzado */
.qr-preview-box {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  border: 1px dashed var(--bs-border-color, #ced4da);
  border-radius: .5rem;
  background: #fff;
  padding: 12px;
}
.history-item img { object-fit: cover; border-radius: .25rem; }

.sticky-preview { position: sticky; top: 1rem; }
.advanced-hidden .advanced-only { display: none !important; }

.qr-reader-camera {
  position: relative;
  border: 1px solid var(--bs-border-color, #ced4da);
  border-radius: .75rem;
  overflow: hidden;
  background: #000;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-reader-camera video {
  width: 100%;
  height: auto;
  display: block;
}

.qr-reader-camera::after {
  content: '';
  position: absolute;
  inset: 10%;
  border: 2px dashed rgba(255, 255, 255, 0.35);
  border-radius: .5rem;
  pointer-events: none;
}

#qrResultText {
  white-space: pre-wrap;
  word-break: break-word;
}