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Antigravity Agent c24165b8bc refactor(topics): 멀티 에이전트용 지식 재편 — _Common(공통 기본기) + Domain_* 구조

에이전트 8종(대화형/프로그래머 C·S/디자이너/설계자/기획자/QA/PD/PM)에게
[공통 기본 능력 + 롤별 Specialty] 2층으로 지식을 주입하기 위한 재분류.
문서 내용·포맷은 무수정, 폴더 이동만 (6,372개 문서 수 보존 확인).

- Topic_Programming → Domain_Programming (내부 구조 보존)
- Topic_Graphic → Domain_Design
- Topic_Business → Domain_Product
- Topic_General → Domain_General
- _Common 신설: Math(구 Topic_Math_Specialty), Reasoning(구 General/From_Thinking & Reasoning),
  Reasoning_Creativity(구 General/From_창의성), Communication(Poetic_Blog_Writing + From_writing)
- 타 도메인의 From_* 폴더는 유지 (출처 표기일 뿐, 이미 도메인에 맞게 분류된 문서)
- 빈 폴더 정리 (memory/procedures)
- 에이전트→폴더 매핑은 workspace의 .astra/agent-knowledge-map.json (9개 에이전트)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

2026-07-11 11:05:56 +09:00

5.3 KiB

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title

모바일 퍼스트(Mobile-First)

매 한 줄

"매 작은 화면부터 design — 큰 화면 의 progressive enhancement". Luke Wroblewski (2009)가 제창, smallest viewport 기준 baseline CSS, larger breakpoint 의 min-width media query 의 progressive enhancement. 매 2026 의 mobile traffic 60%+ 환경의 default approach.

매 핵심

매 vs Desktop-first

	Mobile-first	Desktop-first
Baseline	smallest viewport	largest viewport
Media query	`min-width` (up)	`max-width` (down)
Mindset	progressive enhancement	graceful degradation
Default 2026	✓	(legacy)

매 3원칙 (Wroblewski)

Constraints force focus — small screen 매 essential content prioritize.
Capabilities expand — touch, GPS, camera 의 leverage.
Progressive enhancement — base 의 small + add 의 large.

매 응용

Performance budget — mobile network slow → minimal payload first.
Touch-first UX — 44×44px tap target (Apple HIG), 48×48dp (Material).
Content hierarchy — most important top, fold concept abandoned.

💻 패턴

1. CSS mobile-first media query

/* base — mobile (< 640px implicit) */
.container {
  padding: 1rem;
  font-size: 14px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

/* tablet ≥ 640px */
@media (min-width: 640px) {
  .container { padding: 2rem; font-size: 16px; }
  .grid { grid-template-columns: repeat(2, 1fr); }
}

/* desktop ≥ 1024px */
@media (min-width: 1024px) {
  .grid { grid-template-columns: repeat(3, 1fr); gap: 2rem; }
}

2. Tailwind mobile-first utilities

// base 의 mobile, sm:/md:/lg: 의 enhancement
export function Card() {
  return (
    <div className="p-4 sm:p-6 lg:p-8">
      <h2 className="text-xl sm:text-2xl lg:text-3xl">Title</h2>
      <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-4">
        <Item />
        <Item />
        <Item />
      </div>
    </div>
  );
}

3. Container queries (modern 2026)

.card-container {
  container-type: inline-size;
  container-name: card;
}

.card { display: flex; flex-direction: column; }

@container card (min-width: 400px) {
  .card { flex-direction: row; }
}

4. Responsive image (srcset)

<img
  src="hero-mobile.webp"
  srcset="hero-mobile.webp 480w, hero-tablet.webp 1024w, hero-desktop.webp 1920w"
  sizes="(min-width: 1024px) 1920px, (min-width: 640px) 1024px, 100vw"
  alt="Hero"
  loading="lazy"
/>

5. Viewport meta + safe area

<meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover">

.app {
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
}

6. Touch-friendly tap targets

button, a {
  min-width: 44px;
  min-height: 44px;
  padding: 0.75rem 1rem;
  /* Apple HIG: 44×44pt minimum */
}

7. Performance: critical CSS inline

<head>
  <style>/* critical above-fold CSS, < 14KB */</style>
  <link rel="preload" href="main.css" as="style" onload="this.rel='stylesheet'">
</head>

매 결정 기준

상황	Approach
New project 2026	mobile-first default.
Legacy desktop site	gradual migration via container queries.
Internal tool (desktop only)	desktop-first 도 OK 매 — but mobile-first 매 future-proof.
Component library	container queries > viewport media queries (component reusability).

기본값: Tailwind mobile-first utilities + container queries 매 component-level.

🔗 Graph

변형: 컨테이너 쿼리 (Container Queries)
응용: CSS_Architecture_and_Styling
Adjacent: Core Web Vitals Optimization (INP, LCP, CLS)

🤖 LLM 활용

언제: 새 web project, e-commerce, content site, public-facing app, PWA. 언제 X: desktop-only enterprise tool 의 absolute desktop-first 가 효율적인 case (rare).

❌ 안티패턴

max-width 만 의 의존: 매 reverse mobile-first defeats purpose.
고정 px 의 layout: rem/em/% 의 use.
Hover-only interactions: touch 의 hover 없음 — tap fallback 필수.
Fold obsession: 매 mobile 의 scrolling natural — fold 없음.
Tap target < 44px: thumb miss-tap.

🧪 검증 / 중복

Verified (Wroblewski "Mobile First" 2011, Google Web.dev 2026, MDN responsive design).
신뢰도 A.
Canonical 매 모바일 퍼스트(Mobile-First) — 매 모바일 우선주의 (Mobile-First) 디자인, 모바일 퍼스트 및 다양한 디바이스 환경을 위한 반응형 레이아웃 구축 redirect 매 here.

🕓 Changelog

날짜	변경
2026-05-08	Phase 1
2026-05-10	Manual cleanup — canonical full content + 7 patterns (CSS, Tailwind, container queries)

5.3 KiB Raw Blame History Unescape Escape