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Appearance and Themes

After reading this page you will be able to: switch between light, dark, and decorative themes, customize typography and UI scaling, and set default stream collapse preferences.

Entry: Settings → Appearance → Themes

AIPC UP provides a rich collection of built-in presets and adaptive options:

  • Color Modes: Supports Light, Dark, and Auto (Follow System) modes to adapt to different lighting conditions and OS preferences.
  • Decorative Theme Gallery: Includes a gallery of modern, curated color palettes that can be previewed in real time and applied with one click.

For fine-grained visual control, use the custom CSS theming feature:

  • Create and Edit: Click “Add Theme” to create a custom styling preset, entering CSS rules that automatically append !important to override default application styles.
  • Background Images: Attach custom background wallpapers with adjustable opacity and blur levels.
  • Theme Management: Edit, export, or delete custom themes at any time.

Configure independent typography parameters across four distinct UI zones:

ZoneConfigurable OptionsDescription
Global FontFont family, font sizeControls general UI text across sidebars, menus, and buttons
Chat FontFont family, font size, weightAdjusts readability for user prompts and AI text bubbles
Markdown FontFont family, line height, spacingFine-tunes rendered rich text, headers, and documentation content
Code FontMonospace font family, sizeEnhances syntax readability for code blocks and inline snippets
UI ZoomScale sliderAdjusts global application scaling (supports 80% to 150%)

4. Default Collapse for Thinking and Tool Calls 🆕

Section titled “4. Default Collapse for Thinking and Tool Calls 🆕”

When you enable Default Collapse Thinking and Tool Calls in “Settings → Appearance”:

  • New conversation streams automatically collapse the AI’s internal reasoning (Thinking) and underlying tool executions into compact status pills.
  • You can expand any execution block with a single click whenever you need full parameter logs or raw outputs, keeping your chat clean without sacrificing detail.
  • Switching color modes immediately updates the application palette across all windows.
  • Updating code fonts or scaling instantly reflects in editor panels and chat messages.
  • With “Default Collapse Thinking and Tool Calls” active, new sessions display tool invocations in a collapsed state by default.