/* A separate navigation bar and one quiet reading surface. */
:root{--ink:#20252b;--muted:#626b75;--accent:#14779c;--line:#dde3e9;--canvas:#f5f6f8;--ui:"Inter","Noto Sans KR",-apple-system,BlinkMacSystemFont,sans-serif;--reading:"Source Serif 4","Noto Serif KR",Georgia,serif;color:var(--ink);background:var(--canvas);font-family:var(--ui);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;min-height:100svh;display:flex;flex-direction:column}a{color:inherit;text-underline-offset:5px}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:5px}a:hover{color:var(--accent)}button{cursor:pointer;white-space:nowrap}svg{display:block}h1,h2,h3,p{margin:0}h1,h2,h3{word-break:keep-all;overflow-wrap:anywhere}p,li{overflow-wrap:anywhere}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;top:-80px;left:16px;z-index:100;background:var(--ink);color:#fff;padding:14px 20px;border-radius:6px}.skip-link:focus{top:12px;color:#fff}
.blog-topbar{background:#fff;border-bottom:1px solid var(--line)}.blog-header{width:calc(100% - 48px);max-width:1040px;min-height:72px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}.wordmark{display:inline-flex;align-items:center;white-space:nowrap;font-size:26px;line-height:1;font-weight:600;letter-spacing:-1.2px;text-decoration:none}.beta{margin:0 0 8px 6px;font:600 8px/1 var(--ui);letter-spacing:.65px;padding:3px 4px;border:1px solid #d8e3ea;border-radius:4px;background:#f2f6f9;color:#4b6578}.blog-header nav{display:flex;gap:24px;align-items:center}.blog-header nav a{display:inline-flex;align-items:center;min-height:44px;text-decoration:none;font-size:13px;white-space:nowrap;color:var(--muted)}.blog-header nav a[aria-current]{color:var(--ink);font-weight:600}.blog-header nav a:hover{color:var(--accent)}
.blog-index,.blog-article{width:calc(100% - 48px);max-width:1040px;margin:32px auto 40px;padding:32px 40px;background:#fff;border:1px solid var(--line);border-radius:10px}.blog-toolbar{display:flex;align-items:center;justify-content:space-between;gap:32px;padding-bottom:28px;border-bottom:1px solid var(--line)}.blog-toolbar h1{font:600 28px/1.4 var(--ui);letter-spacing:-.8px}.blog-search{width:340px;max-width:100%}.search-field{display:flex;align-items:center;gap:10px;min-height:46px;padding:3px 4px 3px 13px;border:1px solid #cbd4dc;border-radius:6px;background:#fff}.search-field:focus-within{border-color:var(--accent)}.search-field svg{width:18px;height:18px;color:var(--muted);flex:none}.search-field input{min-width:0;flex:1;width:100%;border:0;background:none;color:var(--ink);padding:9px 0;font-size:14px;outline:none}.search-field input:focus-visible{outline:none}.search-field input::placeholder{color:var(--muted)}.search-field button{border:0;border-radius:4px;color:var(--ink);background:#f0f3f6;min-height:38px;padding:8px 14px;font-size:12px}.search-field button:hover{background:#e3eaf0}
.list-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:24px}.list-heading h2{font-size:14px;font-weight:500}.list-heading>a{font-size:12px;min-height:32px;display:inline-flex;align-items:center}.article-preview{padding:28px 0 12px}.article-preview+.article-preview{margin-top:20px;border-top:1px solid var(--line)}.article-meta{font-size:12px;color:var(--muted)}.article-preview h3{max-width:820px;font:600 23px/1.65 var(--ui);letter-spacing:-.5px;margin:10px 0 12px}.article-preview h3 a{text-decoration:none}.article-preview h3 a:hover{text-decoration:underline;text-decoration-thickness:1px}.preview-description{max-width:780px;font-size:14px;line-height:1.9;color:var(--muted);word-break:keep-all}.search-empty{padding:44px 0 32px}.search-empty h3{font-size:18px;font-weight:500}.search-empty p{margin:12px 0 20px;font-size:14px;color:var(--muted)}.search-empty a{font-size:13px}
.blog-article{padding:28px 40px 36px}.breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:12px;font-size:12px;color:var(--muted);margin-bottom:22px}.breadcrumbs a{display:inline-flex;align-items:center;min-height:32px;text-decoration:none}.breadcrumbs>span[aria-hidden]{color:#a8b3be}.article-header{padding-bottom:28px;border-bottom:1px solid var(--line);margin-bottom:32px}.article-header h1{max-width:860px;font:500 34px/1.55 var(--reading);letter-spacing:-.8px}.article-deck{max-width:820px;color:var(--muted);font-size:15px;line-height:1.9;word-break:keep-all;margin-top:18px}.byline{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:20px;font-size:12px;color:var(--muted)}.byline>span:first-child{color:var(--ink)}.reading-layout{display:grid;grid-template-columns:180px minmax(0,1fr);gap:40px;align-items:start}.article-toc{position:sticky;top:calc(var(--public-header-height) + 24px);padding-right:8px}.article-toc summary{font-size:12px;font-weight:600;margin-bottom:14px;padding:4px 0;cursor:pointer}.article-toc nav{display:grid;gap:8px}.article-toc nav a{padding:4px 0;font-size:12px;line-height:1.8;color:var(--muted);text-decoration:none;word-break:keep-all;overflow-wrap:anywhere}.article-toc nav a:hover{color:var(--accent);text-decoration:underline}.article-body{min-width:0;max-width:700px}.article-body section{scroll-margin-top:28px;margin:0 0 40px}.article-body h2{font-size:22px;font-weight:600;line-height:1.6;letter-spacing:-.5px;margin-bottom:18px}.article-body p,.article-body li{font:400 16px/1.95 var(--ui);word-break:keep-all}.article-body section p+p{margin-top:18px}.article-body a{color:var(--accent)}.article-body ul,.article-body ol{padding-left:24px;margin:20px 0}.article-body li{padding-left:4px;margin:12px 0}.article-body li::marker{color:var(--accent)}.article-body section>p:last-child>a{display:inline-flex;align-items:center;min-height:44px;font-size:14px}
.prompt-example{margin:22px 0;background:#f5f7f9;border:1px solid #dfe5eb;border-radius:6px;overflow:hidden}.prompt-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid #e0e7ed;padding:5px 14px;min-height:50px;font-size:12px;color:#506579}.prompt-toolbar button{min-height:38px;min-width:52px;padding:6px 12px;border:1px solid #cad6df;border-radius:4px;background:#fff;color:#314e65;font-size:12px}.prompt-toolbar button:hover{border-color:var(--accent)}.prompt-example pre{white-space:pre-wrap;overflow-wrap:anywhere;word-break:keep-all;padding:20px;margin:0;font:400 14px/1.95 var(--ui);color:#2c465a}.prompt-example .copy-status{font:400 12px/1.6 var(--ui);color:var(--accent);padding:0 20px 14px;min-height:20px}.copy-status:empty{display:none}
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 24px}.article-tags a{display:inline-flex;align-items:center;min-height:34px;padding:6px 10px;border:1px solid var(--line);border-radius:4px;font-size:12px;text-decoration:none;color:var(--muted)}.article-cta{padding:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.article-cta p{font:400 12px/1.8 var(--ui);color:var(--muted);margin-top:14px}.cta-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px 20px}.cta-actions a{font-size:12px;min-height:44px;display:inline-flex;align-items:center}.primary-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 16px;border:1px solid #14779c;background:#14779c;color:#fff!important;border-radius:5px;text-decoration:none;font-size:14px}.primary-link:hover{background:#0e607e}.back-to-blog{display:inline-flex;align-items:center;min-height:44px;margin-top:20px;font-size:13px}.blog-not-found{width:calc(100% - 48px);max-width:1040px;min-height:50vh;margin:32px auto;padding:48px 40px;border:1px solid var(--line);border-radius:10px;background:#fff}.blog-not-found h1{font:500 30px/1.5 var(--reading);margin:20px 0}.blog-not-found p{color:var(--muted);line-height:1.8}.blog-not-found>a{margin-top:28px}
.blog-footer{width:calc(100% - 48px);max-width:1040px;margin: auto auto 0;padding:12px 0 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer-brand{font-weight:600;font-size:18px;letter-spacing:-.8px;text-decoration:none;color:var(--muted)}.blog-footer nav{display:flex;gap:18px;flex-wrap:wrap}.blog-footer nav a{display:inline-flex;align-items:center;min-height:44px;font-size:11px;white-space:nowrap;color:var(--muted);text-decoration:none}
@media(max-width:800px){.blog-index,.blog-article{padding-left:28px;padding-right:28px}.reading-layout{grid-template-columns:1fr;gap:28px}.article-toc{position:static;padding:14px 18px;background:#f7f8fa;border:1px solid var(--line);border-radius:6px}.article-toc summary{margin-bottom:0;min-height:28px}.article-toc nav{gap:4px;margin-top:10px;grid-template-columns:1fr 1fr;column-gap:20px}.article-body{max-width:none}.article-header{margin-bottom:24px}}
@media(max-width:600px){.blog-header,.blog-footer{width:calc(100% - 40px)}.blog-header{min-height:64px;gap:12px}.wordmark{font-size:24px}.blog-header nav{gap:18px}.blog-header nav a{font-size:12px}.blog-index,.blog-article{width:calc(100% - 32px);margin:20px auto 28px;padding:22px 20px;border-radius:8px}.blog-toolbar{align-items:stretch;flex-direction:column;gap:20px;padding-bottom:22px}.blog-toolbar h1{font-size:24px}.blog-search{width:100%}.article-preview{padding:24px 0 4px}.article-preview h3{font-size:20px;line-height:1.65;margin:10px 0 12px}.preview-description{font-size:14px}.article-meta{font-size:11px}.breadcrumbs{margin-bottom:16px;font-size:11px;gap:10px}.article-header h1{font-size:27px;letter-spacing:-.7px;line-height:1.65}.article-deck{font-size:14px;line-height:1.9;margin-top:16px}.byline{gap:10px 16px;font-size:11px;margin-top:18px}.article-header{padding-bottom:24px}.article-toc{padding:12px 16px}.article-toc nav{grid-template-columns:1fr}.article-toc nav a{min-height:32px;line-height:1.8}.article-body h2{font-size:20px;margin-bottom:16px}.article-body p,.article-body li{font-size:16px;line-height:1.95}.article-body section{margin-bottom:34px}.prompt-toolbar{padding:5px 12px;font-size:11px;gap:6px}.prompt-example pre{font-size:13px;padding:16px;line-height:1.95}.cta-actions{gap:8px 16px}.article-tags{margin-bottom:24px}.blog-footer{gap:4px 20px;padding-bottom:16px}.blog-footer nav{gap:14px}.search-empty{padding:32px 0 16px}}
@media(max-width:360px){.blog-header nav{gap:12px}.wordmark{font-size:23px}.blog-header nav a{font-size:11px}.blog-index,.blog-article{padding-left:16px;padding-right:16px}.search-field{padding-left:10px;gap:8px}.search-field input{font-size:13px}.search-field button{padding:8px 12px}.article-header h1{font-size:25px}.prompt-toolbar{flex-wrap:wrap}.blog-footer{align-items:flex-start;flex-direction:column}}
@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
.article-body .article-sources{margin-top:18px;color:var(--muted);font:400 12px/1.8 var(--ui);overflow-wrap:anywhere}.article-sources span{font-weight:600;color:var(--ink)}.article-sources a{color:var(--muted);text-underline-offset:3px}
.article-figure{margin:24px 0 28px}.article-figure a{display:block;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#f5f6f8}.article-figure img{display:block;width:100%;height:auto}.article-figure figcaption{margin-top:9px;color:var(--muted);font:400 12px/1.7 var(--ui)}