# Chanora UI/UX Guideline — Material 3 Baseline

**Version:** 0.9.2
**Status:** Baseline Candidate  
**Language:** English  
**Lifecycle support:** Supports SysDes, SRS, SAD, SDD, and Verification  
**Design baseline:** Material 3 + Chanora Design System

**Repo path:** `docs/ui-ux/material3-guideline.md`  ---

## 1. Purpose

This guideline defines the UI and UX baseline for the Chanora Flutter application. Chanora shall use Material 3 as the foundation, but product-specific voice, channel, connection, latency, diagnostics, platform, and accessibility semantics shall be expressed through Chanora Design System components and tokens.

## 2. Core UI Principles

| Principle | Requirement |
|---|---|
| Voice-first control | Mute, deaf, push-to-talk, current channel, and input status must be visible or directly reachable. |
| Connection awareness | Connected, connecting, reconnecting, disconnected, and error states must be visible. |
| Adaptive layout | Layout must adapt by window class rather than hardcoding behavior by platform name. |
| Accessibility baseline | Critical controls must have semantics, focus behavior, text scaling support, and non-color-only status expression. |
| Platform respect | Permission, safe area, keyboard, back, haptic, and audio-route behavior must follow platform expectations. |
| Localization-ready | Product-owned strings must be localized; server-provided content must be displayed as content. |

## 3. Primary Screens

| Screen | Stage | Purpose |
|---|---|---|
| Home | P0 | Recent servers, bookmarks, manual connect entry |
| Connect | P0 | Host, port, nickname, password, identity selection |
| Server | P0 | Channel tree, clients, connection status, current channel |
| Voice | P0 | Voice controls, input level, device summary |
| Chat | P1 | Channel text messages |
| Settings | P0 | Audio, UI, localization, platform behavior, shortcuts |
| Diagnostics | P0 | Status, redacted export, troubleshooting information |

## 4. Interaction Rules

| Area | Rule |
|---|---|
| Channel tree | Select, expand/collapse, join, context menu, keyboard traversal |
| Client tile | Show speaking, mute/deaf, volume, latency when available |
| Voice controls | Must be reachable with touch, mouse, and keyboard |
| Diagnostics | Export must require explicit user action and show redaction notice |
| Settings | Destructive or permission-changing actions require clear confirmation or explanation |
| Text entry | Chat input must respect IME and keyboard safe areas |

## 5. Motion Rules

| Scenario | Allowed behavior |
|---|---|
| Page transition | Minimal fade or shared-axis style transition |
| Speaking indicator | Subtle pulse, disabled or simplified under reduced motion |
| Reconnect banner | Clear state transition without disruptive animation |
| Layout change | Resize/reflow smoothly where possible |
| Error state | Immediate, clear, non-color-only feedback |

## 6. Accessibility Rules

| Rule | Baseline |
|---|---|
| Minimum target | Critical controls should meet a 48dp target where practical. |
| Semantics | Icon-only controls require labels. |
| Focus | Desktop and tablet keyboard use require visible focus. |
| State expression | Critical states require more than color. |
| Text scale | Critical controls remain reachable under increased text size. |
| Reduced motion | Non-essential animation is reduced or disabled. |

## 7. Internationalization UX

Product strings are localized. Server-provided server names, channel names, nicknames, and messages are not translated. Mixed-language and bidirectional text must be rendered as text content and preserved through diagnostics unless redacted.

## 8. Change History

| Version | Date | Description |
|---|---|---|
| 0.1.0 | 2026-05-14 | Initial UI/UX guideline for Material 3, adaptive layout, accessibility, platform behavior, and i18n. |


## Baseline Candidate 0.9.1 Update

| Version | Date | Description |
|---|---|---|
| 0.9.1 | 2026-05-14 | Updated baseline after product decision closure: Apple App Store SDK gate uses Xcode 26+ and iOS 26 / iPadOS 26 SDK+ since 2026-04-28, platform baselines and decision traceability propagated across the document set. |


## Baseline Candidate 0.9.2 Update

| Version | Date | Description |
|---|---|---|
| 0.9.2 | 2026-05-14 | Corrected Apple App Store Connect upload gate to 2026-04-28 and checked full-package naming, references, and coverage. |