.json-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin: 24px 0;
  }

  .json-panel {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }

  .panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--ad-bg);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
  }

  .panel-actions {
    display: flex;
    gap: 12px;
  }

  .btn-icon {
    background: transparent;
    border: none;
    font-size: 20px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 8px;
    transition: var(--transition);
    color: var(--text-color);
  }

  .btn-icon:hover {
    background: var(--primary);
    color: white;
  }

  textarea, .json-pre {
    width: 100%;
    min-height: 400px;
    padding: 20px;
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.5;
    background: var(--input-bg);
    color: var(--text-color);
    border: none;
    resize: vertical;
    outline: none;
  }

  textarea {
    resize: vertical;
  }

  .json-pre {
    margin: 0;
    overflow: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
  }

  .action-bar-json {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin: 24px 0;
    flex-wrap: wrap;
  }

  .validation-message {
    padding: 12px 20px;
    border-radius: 12px;
    text-align: center;
    font-weight: 500;
    margin-top: 16px;
  }

  .validation-message.success {
    background: rgba(76, 201, 240, 0.2);
    color: #0c6b7e;
    border-left: 4px solid var(--success);
  }

  .validation-message.error {
    background: rgba(247, 37, 133, 0.1);
    color: #c9184a;
    border-left: 4px solid var(--warning);
  }

  body.dark .validation-message.success {
    background: rgba(76, 201, 240, 0.2);
    color: #80e0ff;
  }

  body.dark .validation-message.error {
    background: rgba(247, 37, 133, 0.2);
    color: #ff7b9c;
  }

  @media (max-width: 768px) {
    .json-grid {
      grid-template-columns: 1fr;
    }
    textarea, .json-pre {
      min-height: 300px;
    }
  }