/* Monospace Textareas */
    .json-textarea {
      width: 100%;
      min-height: 240px;
      padding: 16px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
      font-size: 0.875rem;
      color: var(--color-text);
      background: var(--color-surface);
      resize: vertical;
      line-height: 1.6;
      outline: none;
      transition: border-color var(--transition-fast);
      tab-size: 2;
      white-space: pre;
      overflow-wrap: normal;
      overflow-x: auto;
    }

    .json-textarea:focus {
      border-color: var(--color-primary);
      box-shadow: 0 0 0 3px var(--color-primary-light);
    }

    .json-textarea::placeholder {
      color: var(--color-text-muted);
      white-space: pre;
    }

    .json-textarea.output {
      background: var(--color-bg);
    }

    /* Section Labels */
    .workspace-label {
      font-size: 0.8rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: var(--color-text-secondary);
      margin-bottom: 10px;
    }

    /* Action Buttons Row */
    .json-buttons {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 20px 0;
      align-items: center;
    }

    .json-btn {
      padding: 10px 18px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      background: var(--color-surface);
      font-family: var(--font-body);
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--color-text-secondary);
      cursor: pointer;
      transition: all var(--transition-fast);
      white-space: nowrap;
    }

    .json-btn:hover {
      border-color: var(--color-primary-subtle);
      color: var(--color-primary);
      background: var(--color-primary-light);
    }

    .json-btn.active {
      background: var(--color-primary);
      color: white;
      border-color: var(--color-primary);
      box-shadow: 0 2px 8px rgba(59,91,219,0.25);
    }

    /* Indent Selector */
    .indent-group {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-left: auto;
      font-size: 0.8rem;
      color: var(--color-text-secondary);
    }

    .indent-group label {
      font-weight: 600;
      white-space: nowrap;
    }

    .indent-select {
      padding: 8px 12px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      background: var(--color-surface);
      font-family: var(--font-body);
      font-size: 0.85rem;
      color: var(--color-text);
      cursor: pointer;
      outline: none;
    }

    .indent-select:focus {
      border-color: var(--color-primary);
    }

    /* Output Section */
    .output-section {
      margin-top: 20px;
      padding-top: 20px;
      border-top: 1px solid var(--color-border-light);
    }

    /* Error Display */
    .json-error {
      display: none;
      margin-top: 12px;
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      background: #fef2f2;
      border: 1px solid #fecaca;
      color: #dc2626;
      font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
      font-size: 0.825rem;
      line-height: 1.5;
    }

    .json-error.visible {
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }

    .json-error-icon {
      flex-shrink: 0;
      font-size: 1rem;
      line-height: 1.5;
    }

    /* Valid Badge */
    .json-valid {
      display: none;
      margin-top: 12px;
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      background: #f0fdf4;
      border: 1px solid #bbf7d0;
      color: #16a34a;
      font-family: var(--font-body);
      font-size: 0.85rem;
      font-weight: 600;
      align-items: center;
      gap: 10px;
    }

    .json-valid.visible {
      display: flex;
    }

    /* Stats Row */
    .json-stats {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-top: 10px;
      font-size: 0.8rem;
      color: var(--color-text-muted);
      font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    }

    /* Action buttons row */
    .json-actions {
      display: flex;
      gap: 12px;
      margin-top: 16px;
      flex-wrap: wrap;
    }

    /* Responsive */
    @media (max-width: 768px) {
      .json-buttons {
        gap: 6px;
      }

      .json-btn {
        padding: 8px 14px;
        font-size: 0.8rem;
      }

      .indent-group {
        margin-left: 0;
        width: 100%;
        margin-top: 4px;
      }

      .json-textarea {
        min-height: 180px;
        font-size: 0.8rem;
      }
    }

    @media (max-width: 480px) {
      .json-buttons {
        gap: 6px;
      }

      .json-btn {
        flex: 1 1 calc(50% - 6px);
        text-align: center;
        padding: 10px 8px;
      }

      .json-actions {
        flex-direction: column;
      }

      .json-actions .btn {
        width: 100%;
      }
    }