.app-guide{--g-canvas:#fafbfc;--g-surface:#ffffff;--g-border:#e2e5ea;--g-border-muted:#eceef1;--g-fg:#0f1419;--g-muted:#647084;--g-accent:#2563eb;--g-accent-soft:#eef4fd;--g-accent-fg:#0f1419;--g-mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;--g-font:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;min-height:100vh;background:var(--g-canvas);color:var(--g-fg);font-family:var(--g-font);font-size:15px;line-height:1.6}:root[data-theme=dark] .app-guide{--g-canvas:#0c0f14;--g-surface:#141820;--g-border:#2a3140;--g-border-muted:#222833;--g-fg:#eef1f6;--g-muted:#9aa3b5;--g-accent:#5b9dff;--g-accent-soft:#152238;--g-accent-fg:#0c1424}.app-guide *,.app-guide :after,.app-guide :before{box-sizing:border-box}.app-guide h1,.app-guide h2,.app-guide h3,.app-guide p{margin:0}.app-guide a{color:var(--g-accent);text-decoration:none}.app-guide a:hover{text-decoration:underline}.app-guide code:not([class]){padding:.12em .35em;border-radius:4px;background:var(--g-border-muted);font-family:var(--g-mono);font-size:.9em;overflow-wrap:anywhere;word-break:break-word}.app-guide li code:not([class]),.app-guide p code:not([class]){white-space:normal}.app-guide :focus-visible{outline:2px solid var(--g-accent);outline-offset:2px}.app-guide-header{position:sticky;top:0;z-index:20;background:var(--g-surface);border-bottom:1px solid var(--g-border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.app-guide-header-inner{max-width:1200px;margin:0 auto;padding:12px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.app-guide-brand{display:inline-flex;align-items:center;gap:10px;font-weight:650;font-size:16px;color:var(--g-fg)}.app-guide-brand,.app-guide-brand:hover{text-decoration:none}.app-guide-brand-mark{position:relative;display:inline-block;width:28px;height:28px;border-radius:8px;background:#3182f6;flex-shrink:0}.app-guide-brand-mark:before{content:"";position:absolute;width:13px;height:10px;border:2px solid #fff;border-radius:3px;top:6px;left:7px}.app-guide-brand-mark:after{content:"";position:absolute;width:7px;height:2px;border-radius:2px;background:#fff;top:19px;left:10px}.app-guide-brand small{font-weight:500;color:var(--g-muted);font-size:13px}.app-guide-header-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.app-guide-btn{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 16px;border:1px solid var(--g-border);border-radius:10px;background:var(--g-surface);color:var(--g-fg);font:inherit;font-size:14px;font-weight:500;cursor:pointer;text-decoration:none}.app-guide-btn:hover{background:var(--g-border-muted);text-decoration:none}.app-guide-btn.is-primary{background:var(--g-accent);border-color:var(--g-accent);color:var(--g-accent-fg);font-weight:600}.app-guide-btn.is-primary:hover{filter:brightness(1.05)}.app-guide-lang{display:inline-flex;border:1px solid var(--g-border);border-radius:10px;overflow:hidden;flex-shrink:0}.app-guide-lang button{min-width:40px;min-height:40px;padding:0 12px;font:inherit;font-size:13px;font-weight:600;color:var(--g-muted);background:var(--g-surface);border:0;cursor:pointer}.app-guide-lang button:hover{background:var(--g-border-muted);color:var(--g-fg)}.app-guide-lang button[aria-pressed=true]{background:var(--g-accent-soft);color:var(--g-accent)}.app-guide .app-guide-toc{position:sticky;top:80px;background:transparent;border:0;z-index:1;text-align:left;margin:0;padding:0}.app-guide-shell{max-width:1200px;margin:0 auto;padding:32px 24px 64px;display:grid;grid-template-columns:220px minmax(0,1fr);gap:48px;align-items:start}.app-guide-toc-title{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--g-muted);margin-bottom:12px}.app-guide-toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}.app-guide-toc-list a{display:block;padding:8px 12px;border-radius:8px;font-size:14px;color:var(--g-muted);text-decoration:none;border-left:2px solid transparent}.app-guide-toc-list a:hover{background:var(--g-border-muted);color:var(--g-fg);text-decoration:none}.app-guide-toc-list a.is-active{color:var(--g-accent);background:var(--g-accent-soft);border-left-color:var(--g-accent);font-weight:600}.app-guide-main{min-width:0}.app-guide-hero{margin-bottom:40px;padding-bottom:32px;border-bottom:1px solid var(--g-border-muted)}.app-guide-hero .eyebrow{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--g-muted)}.app-guide-hero h1{font-size:32px;font-weight:650;letter-spacing:-.025em;margin-top:8px;line-height:1.15}.app-guide-hero p{font-size:16px;color:var(--g-muted);margin-top:12px;max-width:62ch;line-height:1.6}.app-guide-hero-actions{margin-top:20px}.app-guide-section{scroll-margin-top:88px;margin-bottom:40px;padding:28px 32px;border:1px solid var(--g-border);border-radius:12px;background:var(--g-surface)}.app-guide-section h2{font-size:20px;font-weight:650;margin-bottom:16px;line-height:1.3}.app-guide-section p{margin-bottom:14px;line-height:1.65;color:var(--g-fg);overflow-wrap:anywhere}.app-guide-section p.sub{font-size:14px;color:var(--g-muted)}.app-guide-section ul{padding-left:22px;margin:0 0 14px;line-height:1.85}.app-guide-section li{margin-bottom:4px;overflow-wrap:anywhere}.app-guide-pre{margin:16px 0;padding:18px 20px;background:var(--g-border-muted);border-radius:10px;overflow-x:auto;font-family:var(--g-mono);font-size:13.5px;line-height:1.55;color:var(--g-fg);border:1px solid var(--g-border);white-space:pre}.app-guide-mobile-nav{display:none;margin-bottom:24px}.app-guide-mobile-nav select{width:100%;min-height:44px;padding:0 12px;border:1px solid var(--g-border);border-radius:10px;background:var(--g-surface);color:var(--g-fg);font:inherit;font-size:14px}@media (max-width:900px){.app-guide-shell{grid-template-columns:1fr;gap:0;padding:24px 16px 56px}.app-guide .app-guide-toc{display:none}.app-guide-mobile-nav{display:block}.app-guide-section{padding:20px 18px}.app-guide-hero h1{font-size:26px}.app-guide-header-inner{padding:10px 16px}}@media (prefers-reduced-motion:reduce){.app-guide-btn{transition:none}}