/* 개발 환경 허브 — tokens.css·hub.css 위에 다른 허브와 같은 배경(오로라·그레인)과 페이지 헤드, 설치 안내를 얹는다. 클래스는 setup-* 로 분리한다. */
.blob{position:absolute;border-radius:50%;filter:blur(95px);opacity:.32;mix-blend-mode:screen}
.blob.a{width:560px;height:560px;background:radial-gradient(circle,var(--glow1),transparent 65%);top:-220px;left:-140px;animation:setup1 21s ease-in-out infinite alternate}
.blob.b{width:460px;height:460px;background:radial-gradient(circle,var(--crim),transparent 60%);top:46%;right:-180px;animation:setup2 25s ease-in-out infinite alternate}
@keyframes setup1{to{transform:translate(70px,60px) scale(1.1)}}
@keyframes setup2{to{transform:translate(-60px,-40px) scale(1.12)}}

/* 페이지 헤드 — 사이트 공통 중앙 컬럼 문법 */
.setup-main{padding-bottom:64px}
.phead{padding:62px 0 18px;position:relative;max-width:680px}
.phead h1{font-size:clamp(40px,6vw,72px);font-weight:700;font-family:"Space Grotesk",var(--font-sans);letter-spacing:-.03em;line-height:1}
.phead h1 .it{font-family:"Instrument Serif",serif;font-style:italic;font-weight:400;background:linear-gradient(100deg,var(--amber),var(--ember),var(--crim));-webkit-background-clip:text;background-clip:text;color:transparent;padding:0 .16em 0 .04em}
.phead p{color:var(--txt-dim);font-size:16px;line-height:1.7;margin-top:18px;max-width:560px}

/* 시작 전에 */
.setup-before{margin:8px 0 0;padding:20px 24px 18px;border:1px solid rgba(255,179,56,.22);border-radius:14px;background:rgba(255,179,56,.05);color:var(--read);font-size:13.5px;line-height:1.7;max-width:760px;backdrop-filter:blur(14px)}
.setup-before h2{margin:0 0 8px;font-size:17px;font-weight:600;color:var(--txt)}
.setup-before ul{margin:0;padding-left:20px}
.setup-before li{margin:5px 0}
.setup-before b{color:var(--amber)}

/* 수록 현황 */
.setup-catalog{scroll-margin-top:100px}
.setup-catalog [hidden]{display:none!important}
.setup-summary{list-style:none;display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 0;padding:0}
.setup-summary li{display:flex;align-items:baseline;gap:8px;padding:10px 16px;border:1px solid var(--glass-line);border-radius:12px;background:var(--glass);color:var(--txt-dim);font-size:13px;backdrop-filter:blur(14px)}
.setup-summary b{font-family:"Space Grotesk",var(--font-sans);font-size:20px;font-weight:600;color:var(--txt);letter-spacing:-.01em}

/* OS 전환 */
.setup-os-switch{display:inline-flex;flex-wrap:wrap;gap:4px;margin:22px 0 0;padding:4px;border:1px solid var(--glass-line);border-radius:100px;background:rgba(14,10,12,.62);backdrop-filter:blur(14px)}
.setup-os-switch button{min-height:40px;padding:8px 20px;font:inherit;font-size:14px;color:var(--txt-dim);background:transparent;border:0;border-radius:100px;cursor:pointer;transition:color .2s,background .2s}
.setup-os-switch button:hover:not([aria-checked="true"]){color:var(--txt)}
.setup-os-switch button[aria-checked="true"]{color:var(--bg);background:var(--amber);font-weight:600}

/* 단계 목차 */
.setup-toc ol{list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:22px 0 0;padding:0}
.setup-toc li{min-width:0;padding:14px 16px;border:1px solid var(--glass-line);border-radius:16px;background:var(--glass);backdrop-filter:blur(14px)}
.setup-toc li>a{display:flex;align-items:baseline;gap:8px;color:var(--txt);font-weight:600;font-size:15px}
.setup-toc li>a span{font-family:"Space Grotesk",var(--font-sans);color:var(--amber);font-size:13px}
.setup-toc li>a:hover{color:var(--ember)}
.setup-toc-tools{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.setup-toc-tools a{padding:2px 9px;border:1px solid var(--glass-line);border-radius:100px;font-size:12px;color:var(--read)}
.setup-toc-tools a:hover{color:var(--ember);border-color:rgba(255,122,69,.4)}

/* 단계 절 */
.setup-stage{margin-top:44px;scroll-margin-top:100px}
.setup-stage h2{display:flex;align-items:baseline;gap:10px;font-size:22px;letter-spacing:-.01em}
.setup-stage h2 span{font-family:"Space Grotesk",var(--font-sans);font-size:13px;color:var(--amber);letter-spacing:.04em}
.setup-stage-summary{margin:6px 0 16px;color:var(--txt-dim);font-size:14px}
.setup-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start}

/* 도구 카드 */
.setup-card{display:flex;flex-direction:column;min-width:0;padding:22px 22px 16px;background:var(--glass);border:1px solid var(--glass-line);border-radius:18px;backdrop-filter:blur(14px);scroll-margin-top:110px}
.setup-card:target{border-color:var(--amber);box-shadow:0 0 0 1px var(--amber)}
.setup-kicker{display:flex;align-items:center;gap:8px;margin:0;color:var(--txt-faint);font-size:12px}
.setup-num{font-family:"Space Grotesk",var(--font-sans);font-size:14px;font-weight:600;color:var(--amber)}
.setup-name{margin:10px 0 6px;font-size:20px;line-height:1.4;overflow-wrap:anywhere}
.setup-name a{color:var(--ember);text-decoration:underline;text-decoration-color:transparent;text-underline-offset:4px;transition:text-decoration-color .2s}
.setup-name a:hover{text-decoration-color:currentColor}
.setup-requires{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:0 0 10px;font-size:12px;color:var(--txt-faint)}
.setup-requires a{padding:2px 9px;border:1px dashed rgba(255,179,56,.4);border-radius:100px;color:var(--amber)}
.setup-requires a:hover{color:var(--ember)}
.setup-desc{margin:0 0 12px;font-size:14px;line-height:1.7;color:var(--read);overflow-wrap:anywhere}
.setup-point{margin:0 0 14px;padding:10px 12px;border-left:2px solid var(--ember);background:rgba(255,90,46,.06);border-radius:0 10px 10px 0;font-size:13px;line-height:1.65;color:var(--read)}
.setup-point b{display:block;margin-bottom:2px;color:var(--amber);font-size:11.5px;letter-spacing:.02em}

/* OS 패널 */
.setup-panel{margin:0 0 12px;padding:14px 14px 12px;border:1px solid var(--glass-line);border-radius:14px;background:rgba(14,10,12,.62)}
.setup-os{margin:0 0 10px;font-size:12px;letter-spacing:.04em;color:var(--txt-faint)}
.setup-method+.setup-method{margin-top:12px;padding-top:12px;border-top:1px dashed var(--glass-line)}
.setup-method-head{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 6px;font-size:13.5px;color:var(--txt)}
.setup-method-head a{margin-left:auto;font-size:12px;color:var(--amber)}
.setup-method-head a:hover{color:var(--ember);text-decoration:underline;text-underline-offset:3px}
.setup-badge{padding:2px 8px;border:1px solid var(--glass-line);border-radius:100px;font-size:11px;color:var(--txt-dim)}
.setup-method.is-rec .setup-badge{color:var(--amber);border-color:rgba(255,179,56,.4);background:rgba(255,179,56,.08)}
.setup-method-note{margin:0 0 6px;font-size:12.5px;line-height:1.6;color:var(--txt-dim)}
.setup-cmd{display:flex;align-items:flex-start;gap:6px;margin:6px 0 0}
.setup-cmd pre{margin:0;padding:10px 12px;overflow-x:auto;border:1px solid rgba(255,255,255,.08);border-radius:10px;background:rgba(0,0,0,.35);font:12.5px/1.6 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#f1e6dc;white-space:pre;flex:1;min-width:0}
.setup-copy{flex:none;margin-top:6px;min-height:28px;padding:3px 10px;font:inherit;font-size:11.5px;color:var(--txt-dim);background:rgba(255,255,255,.06);border:1px solid var(--glass-line);border-radius:8px;cursor:pointer}
.setup-copy:hover{color:var(--ember);border-color:rgba(255,122,69,.45)}
.setup-verify{margin-top:12px;padding-top:12px;border-top:1px solid var(--glass-line)}
.setup-verify-head{margin:0;font-size:12.5px;line-height:1.6;color:var(--txt-dim)}
.setup-verify-head b,.setup-note b,.setup-extra b,.setup-trouble>b,.setup-first-head b{margin-right:8px;color:var(--txt);font-size:12px}
.setup-note{margin:10px 0 0;font-size:12.5px;line-height:1.6;color:var(--txt-dim)}

/* 처음 한 번 */
.setup-first{margin:0 0 12px;padding:12px 14px;border:1px solid var(--glass-line);border-radius:14px;background:rgba(255,255,255,.03)}
.setup-first-head{margin:0;font-size:12.5px;line-height:1.6;color:var(--txt-dim)}

/* 카드 하단 */
.setup-extra{margin:0 0 8px;font-size:13px;line-height:1.6;color:var(--read)}
.setup-caution{padding:8px 12px;border:1px solid rgba(255,179,56,.22);border-radius:10px;background:rgba(255,179,56,.05)}
.setup-caution b{color:var(--amber)}
.setup-trouble{margin:0 0 8px;font-size:13px;color:var(--read)}
.setup-trouble ul{margin:6px 0 0;padding-left:18px;line-height:1.65}
.setup-os-tag{margin-right:6px;padding:1px 7px;border-radius:100px;background:rgba(255,255,255,.06);color:var(--txt-faint);font-size:10.5px}
.setup-related{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 0}
.setup-related a{display:inline-flex;align-items:center;gap:6px;padding:3px 10px 3px 4px;border:1px solid var(--glass-line);border-radius:100px;font-size:12px;color:var(--read)}
.setup-related a span{padding:1px 7px;border-radius:100px;background:rgba(255,255,255,.06);color:var(--txt-faint);font-size:10.5px}
.setup-related a:hover{border-color:rgba(255,122,69,.4);color:var(--ember)}
.setup-foot{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 14px;margin:14px 0 0;padding-top:12px;border-top:1px solid var(--glass-line);font-size:12px;color:var(--txt-faint)}
.setup-foot a{color:var(--amber)}
.setup-foot a:hover{color:var(--ember);text-decoration:underline;text-underline-offset:3px}
.setup-sr{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.setup-catalog a:focus-visible,.setup-catalog button:focus-visible{outline:2px solid var(--amber);outline-offset:3px}

/* hub.css의 .blob{animation:none}(특이도 0,1,0)은 위 .blob.a/.blob.b(0,2,0)에 지므로 여기서 다시 끈다 */
@media (prefers-reduced-motion:reduce){.blob.a,.blob.b{animation:none}.setup-name a,.setup-os-switch button{transition:none}}
@media(max-width:1050px){.setup-grid{grid-template-columns:1fr}.setup-toc ol{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.setup-main .wrap{padding-left:18px;padding-right:18px}.phead{padding-top:40px}.setup-toc ol{grid-template-columns:1fr}.setup-summary li{flex:1 1 calc(50% - 10px);padding:9px 12px}.setup-card{padding:18px 16px 14px}.setup-panel{padding:12px 10px 10px}.setup-os-switch{display:flex}.setup-os-switch button{flex:1;padding:8px 10px}}
@media print{.aura,.grain,.setup-os-switch,.setup-copy{display:none!important}.setup-card{break-inside:avoid;backdrop-filter:none}.setup-grid{display:block}}