/* Textareas */
#json-input, #json-output {
  width: 100%;
  min-height: 180px;
  resize: vertical;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  padding: 12px 14px;
  font-family: 'Consolas', 'D2Coding', monospace;
  font-size: 13px;
  line-height: 1.6;
  color: #1a1a1a;
  outline: none;
}
#json-input:focus, #json-output:focus { border-color: #0078d4; }
#json-output { background: #f8f8f8; margin-bottom: 10px; }

.btn-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}