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VS Code 2026 design system tokens, palette, typography, and interaction patterns. Use when building or styling any UI in the playground.
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基于 SOC 职业分类
Critically review a running prototype as a dogfooder (real user). Use when asked to "dogfood", "review the app", "give feedback on the UX", or "test the app". Reads DESIGN.md to understand the problem space, navigates the full user journey, captures screenshots, reads source code to validate behavior, and delivers structured feedback by severity.
Bootstrap a new prototype in the playground. Use when the user wants to create, add, scaffold, copy, or make a variant of a prototype page.
Set up the development environment for the playground. Use when the user wants to install dependencies, fix environment issues, or get the project running for the first time. Works on macOS, Windows, and WSL.
| name | design-system |
| description | VS Code 2026 design system tokens, palette, typography, and interaction patterns. Use when building or styling any UI in the playground. |
This project aligns with the VS Code 2026 design system. All UI work should follow these guidelines for consistency.
Reference: https://github.com/microsoft/vscode/tree/main/extensions/theme-2026
| Token | Value | Usage |
|---|---|---|
--background | #121314 | Editor / page background |
--chrome | #191A1B | Sidebar, panel, nav chrome |
--card | #202122 | Widgets, popovers, cards |
--hover | #262728 | Hover state backgrounds |
--foreground | #bfbfbf | Primary UI text |
--foreground-bright | #ededed | Emphasized text, headings |
--muted | #8C8C8C | Descriptions, secondary text, icons |
--border | #2A2B2C | Borders, dividers |
--accent | #3994BC | Primary accent (buttons, badges, links) |
--accent-hover | #3E9BC4 | Button hover state |
--accent-light | #3994BC26 | Selection backgrounds, focus rings |
--link | #48A0C7 | Hyperlinks |
--error | #f48771 | Error states |
--success | #73c991 | Added / success states |
--warning | #e5ba7d | Warning states |
| Token | Value | Usage |
|---|---|---|
| Background | #FFFFFF | Editor background |
| Chrome | #FAFAFD | Sidebar, panel, nav chrome |
| Card/Widget | #F0F0F3 | Surfaces above background |
| Foreground | #202020 | Primary text |
| Muted | #606060 | Secondary text, descriptions |
| Border | #EEEEF1 | Subtle dividers |
| Accent | #0069CC | Primary blue accent |
| Accent hover | #0063C1 | Button hover |
| Link | #0069CC | Hyperlinks |
system-ui, -apple-system, …) — all UI textui-monospace, SFMono-Regular, …) — code snippets, file pathsfont-size: 2.25rem; font-weight: 700; letter-spacing: -0.025em; color: var(--foreground-bright)font-size: 1.25rem; font-weight: 500; color: var(--foreground)font-size: 0.875rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent)font-size: 0.875rem; line-height: 1.625; color: var(--muted) or color: var(--foreground)font-family: var(--font-mono); font-size: 0.75rem; color: var(--muted); background: var(--card); border-radius: var(--radius-sm); padding: 0.125rem 0.375remThe 2026 theme uses soft, spread shadows for depth instead of hard borders. This is the "stealth shadow" aesthetic — subtle, ambient shadows that provide hierarchy without visible edges.
| Token | Value | Usage |
|---|---|---|
--shadow-sm | 0 0 4px rgba(0,0,0,0.08) | Inputs, subtle cards |
--shadow-md | 0 0 6px rgba(0,0,0,0.08) | Sidebar, panel |
--shadow-lg | 0 0 12px rgba(0,0,0,0.14) | Popovers, dialogs |
--shadow-hover | 0 0 8px rgba(0,0,0,0.12) | Hover elevation |
| Token | Value | Usage |
|---|---|---|
--radius-sm | 4px | Buttons, inputs, chips, tags, small elements |
--radius-md | 6px | Cards, containers |
--radius-lg | 8px | Dialogs, command palette, dropdowns |
Radii are small and consistent. VS Code's own controls (
monaco-text-button,monaco-inputbox) use4px; toggles use3px. Never use pill shapes (border-radius: 999px/9999px) on buttons, chips, or toggles — fully-rounded pills are the #1 tell of generic AI UI and read as web-marketing, not editor-native. The only place a full radius belongs is a true numeric count badge.
The 2026 theme uses backdrop blur with translucent backgrounds for floating UI:
/* Dark mode backdrop blur (includes brightness reduction) */
backdrop-filter: blur(20px) saturate(180%) brightness(0.55);
/* Translucent background pattern */
background: color-mix(in srgb, var(--card) 60%, transparent);
Use sparingly for:
background: color-mix(in srgb, var(--chrome) 80%, transparent); backdrop-filter: blur(8px)VS Code is a dense, compact tool. Its controls are small, rectangular, and quiet — recipes below mirror the real monaco-* components. Match this or the UI reads as a generic web app.
12px (0.75rem); labels/headings rarely exceed 13px (0.8125rem). Reserve larger sizes for genuine page heroes, not in-editor surfaces.4px 8px, inputs 4px 6px. Small gaps (4–8px) between related controls.4px radius (toggles 3px). No pills.There are two kinds. Reserve the filled accent button for the single primary action per surface — everything else is secondary. A wall of blue buttons is slop.
/* Primary — one per surface (Submit, Send, Confirm) */
.buttonPrimary {
padding: 4px 12px;
border-radius: var(--radius-sm);
border: 1px solid transparent;
background: var(--accent);
color: #fff; /* button.foreground */
font-size: 0.75rem;
line-height: 16px;
cursor: pointer;
}
.buttonPrimary:hover { background: var(--accent-hover); }
/* Secondary — the default for most actions, incl. choice/toggle buttons */
.button {
padding: 4px 12px;
border-radius: var(--radius-sm);
border: 1px solid var(--border);
background: var(--card); /* subtle gray, NOT accent */
color: var(--foreground);
font-size: 0.75rem;
line-height: 16px;
cursor: pointer;
}
.button:hover { background: var(--hover); }
Selected state uses one subtle accent tint + accent border — mirroring VS Code's inputOption.activeBackground / activeBorder. Do not tint selections by sentiment (green/amber/red fills). Meaning comes from the label, not a saturated background.
.chip {
padding: 2px 8px;
border-radius: var(--radius-sm); /* 4px — never 999px */
border: 1px solid var(--border);
background: transparent;
color: var(--foreground);
font-size: 0.75rem;
cursor: pointer;
}
.chip:hover { background: var(--hover); }
.chipSelected {
background: var(--accent-light); /* ~15% accent */
border-color: color-mix(in srgb, var(--accent) 70%, transparent);
color: var(--foreground-bright);
}
--error, --success, --warning) are for status/diagnostic text and icons (an error message, a git-added line), not as fills behind interactive controls.thumbsup, check, error)./* Cards */
.card:hover {
border-color: color-mix(in srgb, var(--accent) 30%, transparent);
box-shadow: var(--shadow-lg);
}
/* Links / nav */
.link {
color: var(--muted);
}
.link:hover {
color: var(--foreground);
}
/* Accent links */
.accentLink {
color: var(--accent);
}
.accentLink:hover {
color: var(--accent-hover);
}
.input:focus {
border-color: color-mix(in srgb, var(--accent) 50%, transparent);
box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 30%, transparent);
outline: none;
}
#3994BCB3 (accent at 70% opacity)#3994BC26 (accent at ~15% opacity)Key syntax colors from the 2026 Dark theme:
| Scope | Color | Example |
|---|---|---|
| Comment | #6F9B60 | // green-tinted gray |
| Keyword | #4F8FDD | const, return, if |
| String | #C48081 | "hello" |
| Function | #D1D6AE | fetchData() |
| Type/Class | #48C9C4 | Promise, HTMLElement |
| Variable | #90D5FF | userName |
| Constant | #4CBDFF | MAX_SIZE |
| Control flow | #C184C6 | for, while, try |
| Number | #A8CAAD | 42, 3.14 |
| Operator | #C5CCD6 | =, +, === |
This project includes the full VS Code Codicons icon font (~600 icons). The CSS is loaded globally.
Use the shared Codicon React component:
import { Codicon } from "../../components/codicon";
<Codicon name="add" />
<Codicon name="settings-gear" style={{ color: 'var(--accent)' }} />
<Codicon name="loading" spin />
16px (inherits from the codicon font). Scale with font-size.currentColor — style via CSS module class or inline style.spin prop for loading/sync/gear animations.Common icons for VS Code prototypes:
| Icon | Name | Usage |
|---|---|---|
add | Create / new | Buttons, actions |
close | Dismiss | Close buttons, modals |
search | Search | Search inputs |
settings-gear | Settings | Preferences, config |
chevron-right | Expand | Trees, accordions |
chevron-down | Collapse | Trees, accordions |
file | File | File trees |
folder | Folder | File trees |
error | Error | Status, diagnostics |
warning | Warning | Status, diagnostics |
info | Info | Status, tooltips |
check | Success | Confirmations |
loading | Loading | Spinners (use with spin) |
terminal | Terminal | Terminal UI |
source-control | Git | SCM views |
extensions | Extensions | Extension UI |
account | User | Profile, auth |
This project uses CSS Modules with CSS custom properties — no utility-class framework.
Each page/component has a co-located .module.css file:
// page.tsx
import styles from './page.module.css';
export default function MyPage() {
return <div className={styles.wrapper}>...</div>;
}
/* page.module.css */
.wrapper {
display: flex;
flex-direction: column;
gap: 1.5rem;
background: var(--card);
border: 1px solid var(--border);
border-radius: var(--radius-lg);
}
.wrapper:hover {
border-color: color-mix(in srgb, var(--accent) 30%, transparent);
box-shadow: var(--shadow-lg);
}
Import base.module.css from src/app/ for common layout:
import base from '../../base.module.css';
import styles from './page.module.css';
<div className={base.page}> {/* min-height: 100vh + background */}
<nav className={base.nav}> {/* chrome bar with backdrop blur */}
<div className={base.container}> {/* centered max-width container */}
Available base classes: page, nav, container, containerWide, card.
For translucent colors, use color-mix:
background: color-mix(in srgb, var(--accent) 10%, transparent); /* 10% accent */
border-color: color-mix(in srgb, var(--accent) 30%, transparent); /* 30% accent */
These are the recurring tells that make a prototype look "AI-vibed" instead of VS Code–native. Audit against them before calling any UI done:
| ❌ Slop tell | ✅ VS Code-native |
|---|---|
Pill buttons/chips (border-radius: 999px) | 4px radius rectangles |
| Sentiment-tinted fills (green/amber/red button backgrounds) | Neutral controls; one subtle accent tint for the selected state only |
| A row of filled accent buttons | One filled primary; the rest secondary (gray) |
| Large 15–16px control text, roomy padding | 12–13px text, tight 4px 8px padding, dense layout |
| Emoji as buttons/affordances (👍 😐 👎) | Codicons |
| Glowing focus halos, big soft drop shadows on everything | 1px accent focus border; stealth shadows only on floating layers |
| Gradient fills, decorative color | Restrained palette; accent reserved for interaction |
Accent left-bar via mixed-width border (border-left: 2px + radius) — mitered corner seam | Uniform 1px border; if an accent edge is needed use box-shadow: inset so it respects the radius |
| Bright white body text everywhere | --foreground (#bfbfbf); reserve --foreground-bright for emphasis |
When in doubt, look at how the equivalent real VS Code surface (a Quick Pick, the Source Control input, a notification toast) is styled and match its restraint.
var(--accent)) in CSS Modulescolor-mix(in srgb, ...) for opacity variants4px radius, 12–13px text, tight padding — match VS Code's density#8C8C8C) on dark backgrounds meets 4.5:1.module.css files next to their component/pageborder-radius: 999px) on buttons, chips, or togglesstone-*, amber, #d97706)