.site-nav{background-color:var(--color-surface);border-bottom:1px solid var(--color-border-subtle);padding:.875rem 1.25rem;position:sticky;top:0;z-index:100;backdrop-filter:saturate(180%) blur(8px);-webkit-backdrop-filter:saturate(180%) blur(8px);background-color:color-mix(in srgb,var(--color-surface) 85%,transparent)}.site-nav .nav-container{max-width:var(--content-max-width);margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:1rem}.site-nav .logo{font-weight:700;font-size:1.15rem;color:var(--color-text);text-decoration:none;letter-spacing:-.01em}.site-nav .logo:hover{color:var(--color-text);text-decoration:none}.site-nav .links{display:flex;align-items:center;gap:1.25rem}.site-nav .links a{text-decoration:none;color:var(--color-text-muted);font-weight:500;font-size:.95rem;transition:color .15s ease}.site-nav .links a:hover{color:var(--color-text);text-decoration:none}.site-nav .lang-select{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:4px 8px;font-family:inherit;font-size:.9rem;color:var(--color-text-muted);cursor:pointer;outline:none;transition:border-color .15s ease}.site-nav .lang-select:hover{border-color:var(--color-text-subtle);color:var(--color-text)}:root{--color-bg: #ffffff;--color-surface: #ffffff;--color-surface-muted: #f6f8fa;--color-text: #1f2328;--color-text-muted: #57606a;--color-text-subtle: #8b949e;--color-border: #d0d7de;--color-border-subtle: #eaeef2;--color-accent: #0969da;--color-accent-hover: #0550ae;--color-accent-soft: #ddf4ff;--color-success: #1a7f37;--color-success-soft: #dafbe1;--font-sans: "Chiron GoRound TC", -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--font-size-base: 1.0625rem;--line-height-base: 1.7;--line-height-tight: 1.3;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--radius-pill: 9999px;--shadow-sm: 0 1px 2px rgba(31, 35, 40, .06);--content-max-width: 760px}:root{color-scheme:light}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;width:100%;min-height:100%;-webkit-text-size-adjust:100%;text-size-adjust:100%;font-family:var(--font-sans);font-size:var(--font-size-base);line-height:var(--line-height-base);background-color:var(--color-bg);color:var(--color-text)}body{text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}main{box-sizing:border-box;width:100%;max-width:var(--content-max-width);margin:0 auto;padding:2.5rem 1.25rem 4rem}html[data-lang=en] .lang-kr,html[data-lang=kr] .lang-en{display:none!important}h1,h2,h3,h4,h5,h6{color:var(--color-text);line-height:var(--line-height-tight);font-weight:700}h1{font-size:2.25rem;margin:0 0 .75rem;letter-spacing:-.01em}h2{font-size:1.5rem;margin:2rem 0 .75rem}h3{font-size:1.25rem;margin:1.75rem 0 .5rem}p{margin:0 0 1rem}a{color:var(--color-accent);text-decoration:none}a:hover{color:var(--color-accent-hover);text-decoration:underline}strong{font-weight:600;color:var(--color-text)}hr{border:0;border-top:1px solid var(--color-border-subtle);margin:2.5rem 0}article{max-width:var(--content-max-width);margin:0 auto;line-height:var(--line-height-base);color:var(--color-text)}article img{max-width:100%;height:auto;border-radius:var(--radius-md)}article blockquote{margin:1.25rem 0;padding:.25rem 1rem;border-left:3px solid var(--color-border);color:var(--color-text-muted)}article ul,article ol{padding-left:1.4rem}article li+li{margin-top:.25rem}.date{color:var(--color-text-muted);font-size:.95rem;margin-bottom:2rem}:not(pre)>code{font-family:var(--font-mono);font-size:.9em;background:var(--color-surface-muted);color:var(--color-text);padding:.15em .4em;border-radius:var(--radius-sm);border:1px solid var(--color-border-subtle)}pre.astro-code{border-radius:var(--radius-lg);padding:1rem!important;margin:1.25rem 0;border:1px solid var(--color-border-subtle);font-family:var(--font-mono);font-size:.9rem;line-height:1.5;overflow-x:auto}.copy-code-button{position:absolute;top:.5rem;right:.5rem;padding:.4rem;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-muted);cursor:pointer;opacity:0;transition:opacity .15s ease,color .15s ease,border-color .15s ease;display:flex;align-items:center;justify-content:center;z-index:10}pre.astro-code:hover .copy-code-button,.copy-code-button:focus-visible{opacity:1}.copy-code-button:hover{color:var(--color-text);border-color:var(--color-text-subtle)}.copy-code-button.copied{background:var(--color-success-soft);color:var(--color-success);border-color:var(--color-success);opacity:1}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;border-radius:var(--radius-sm)}