.qr-tool-section {
  min-height: 55vh;
  background: linear-gradient(180deg, #fff 0%, var(--color-cream) 100%);
}

.qr-tool-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  align-items: start;
  gap: clamp(1.25rem, 4vw, 3rem);
}

.qr-editor,
.qr-preview-card {
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  box-shadow: var(--shadow-md);
}

.qr-label {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--color-charcoal);
  font-size: 1.1rem;
  font-weight: 700;
}

.qr-help,
.qr-storage-note {
  color: var(--color-text-light);
  font-size: 0.9rem;
}

.qr-input-row {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

.qr-input-row input {
  min-width: 0;
  min-height: 3.25rem;
  flex: 1 1 auto;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
}

.qr-input-row .btn {
  flex: 0 0 auto;
  min-height: 3.25rem;
}

.qr-status {
  min-height: 1.5rem;
  margin-top: 0.75rem;
  color: var(--color-success);
  font-size: 0.9rem;
}

.qr-status[data-error='true'] {
  color: var(--color-danger);
}

.qr-storage-note {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.qr-preview-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.qr-preview-card h2 {
  margin-bottom: 1rem;
  color: var(--color-charcoal);
  font-family: 'Poppins', sans-serif;
  font-size: 1.35rem;
}

.qr-image-frame {
  display: grid;
  place-items: center;
  width: min(100%, 340px);
  aspect-ratio: 1;
  padding: 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
}

.qr-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  image-rendering: pixelated;
}

.qr-target {
  width: 100%;
  margin: 0.85rem 0 1rem;
  overflow-wrap: anywhere;
  color: var(--color-text-light);
  font-size: 0.85rem;
}

.qr-download {
  width: 100%;
  max-width: 340px;
}

@media (max-width: 768px) {
  .qr-tool-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  .qr-input-row {
    align-items: stretch;
    flex-direction: column;
  }

  .qr-input-row .btn {
    width: 100%;
  }
}