.dt-dev-qr {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 18px;
}

.dt-dev-qr-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px;
  box-shadow: var(--shadow-soft);
}

.dt-dev-qr-field {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.dt-dev-qr-field textarea {
  min-height: 190px;
  resize: vertical;
}

.dt-dev-qr-field textarea,
.dt-dev-qr-controls input,
.dt-dev-qr-controls select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  padding: 10px 12px;
  font: inherit;
}

.dt-dev-qr-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 14px 0;
}

.dt-dev-qr-controls label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.dt-dev-qr-preview {
  min-height: 320px;
  display: grid;
  place-items: center;
  border: 1px dashed var(--border);
  border-radius: 8px;
  background: var(--surface);
  overflow: auto;
}

.dt-dev-qr-preview svg {
  max-width: 100%;
  height: auto;
  background: #fff;
}

.dt-dev-qr-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.dt-dev-qr-meta span {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 9px;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 760px) {
  .dt-dev-qr {
    grid-template-columns: 1fr;
  }

  .dt-dev-qr-controls {
    grid-template-columns: 1fr;
  }
}