/* Main input area becomes a 3-column grid */
.qr-grid {
  display: grid;
  grid-template-columns: 1fr 260px; /* left: inputs, right: QR preview */
  gap: 20px;
}

/* Left side is also a grid */
.qr-inputs {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* First row layout */
.first-row {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 16px;
}

/* Make data field wider */
.wide-data input {
  width: 100%;
}

/* QR preview box stays fixed at top right */
.qr-preview-box {
  border: 1px solid #e5e7eb;
  padding: 16px;
  border-radius: 8px;
  background: #ffffff;
  text-align: center;
  align-self: start; /* prevents slipping downward */
}

/* QR image responsive */
.qr-box img,
.qr-box canvas {
  max-width: 100%;
}

/* Mobile */
@media (max-width: 900px) {
  .qr-grid {
    grid-template-columns: 1fr;
  }
}