## What Every dialog in the processor is the shared `.sui-modal` shell, and its backdrop was top-aligning the panel: ```css align-items: flex-start; padding: 5rem 1.5rem 1.5rem; /* 80px above, 24px below */ ``` On a 900px-tall viewport that started every dialog at `y=80` with ~350px of dead space beneath it. Phones already had an `align-items: center` override; desktop never got one. ## Change `frontend/editor/src/core/ui/Modal.css` only: - Symmetric block inset, `align-items: center`. - The inset is published as `--modal-inset-block`, and `.sui-modal`'s `max-height` derives from it. That coupling is the point: if the two drift apart, a tall modal overflows a centre-aligned backdrop and loses its header off the top of the screen, unreachable. - The phone breakpoint now only moves the variable. Measured at 375x812 it resolves to exactly the previous values (`16px 12px`, `max-height: 780px`), so mobile behaviour is unchanged. One shared file, so this covers flow modals, source / user / pipeline / API-key modals, billing and procurement. ## Before / After <img width="2104" height="2284" alt="image" src="https://github.com/user-attachments/assets/bcb50145-f75e-449e-92c6-a0b085cc091c" /> ## Testing - `task frontend:check` passes (lint + typecheck + 2356 tests). - Phone breakpoint measured directly in the browser, values match the previous behaviour.
Stirling PDF - The Open-Source PDF Platform
Stirling PDF is a powerful, open-source PDF editing platform. Run it as a personal desktop app, in the browser, or deploy it on your own servers with a private API. Edit, sign, redact, convert, and automate PDFs without sending documents to external services.
Key Capabilities
- Everywhere you work - Desktop client, browser UI, and self-hosted server with a private API.
- 50+ PDF tools - Edit, merge, split, sign, redact, convert, OCR, compress, and more.
- Automation & workflows - No-code pipelines direct in UI with APIs to process millions of PDFs.
- Enterprise‑grade - SSO, auditing, and flexible on‑prem deployments.
- Developer platform - REST APIs available for nearly all tools to integrate into your existing systems.
- Global UI - Interface available in 40+ languages.
For a full feature list, see the docs: https://docs.stirlingpdf.com
Quick Start
docker run -p 8080:8080 docker.stirlingpdf.com/stirlingtools/stirling-pdf
Then open: http://localhost:8080
For full installation options (including desktop and Kubernetes), see our Documentation Guide.
Resources
Support
- Community: Discord
- Bug Reports: GitHub Issues
Contributing
We welcome contributions! Please see CONTRIBUTING.md for guidelines.
This project uses Task as a unified command runner for all build, dev, and test commands. Run task dev to get started running the editor, run task to see the most common commands, or see the Developer Guide for full details.
For adding translations, see the Translation Guide.
License
Stirling PDF is open-core. See LICENSE for details.

