:root{--max-width: 820px;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;--font-mono: "SFMono-Regular", "JetBrains Mono", "Consolas", "Liberation Mono", Menlo, monospace;--bg: #ffffff;--bg-soft: #f6f7f9;--bg-elevated: #ffffff;--text: #1f2328;--text-muted: #57606a;--border: #e6e8eb;--accent: #2563eb;--accent-hover: #1d4ed8;--accent-soft: rgba(37, 99, 235, .1);--shadow: 0 1px 2px rgba(0, 0, 0, .04), 0 4px 16px rgba(0, 0, 0, .06);--radius: 12px}:root[data-theme=dark]{--bg: #0f1115;--bg-soft: #171a21;--bg-elevated: #161922;--text: #e7e9ee;--text-muted: #9aa4b2;--border: #272c37;--accent: #6ea8fe;--accent-hover: #8fbcff;--accent-soft: rgba(110, 168, 254, .14);--shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 6px 20px rgba(0, 0, 0, .4)}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;font-family:var(--font-sans);font-size:17px;line-height:1.7;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;transition:background-color .2s ease,color .2s ease}img{max-width:100%;height:auto;display:block}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover);text-decoration:underline}h1,h2,h3,h4{line-height:1.25;font-weight:700;color:var(--text);margin:0 0 .5em}h1{font-size:1.9rem;letter-spacing:-.02em}h2{font-size:1.35rem;letter-spacing:-.01em}h3{font-size:1.1rem}p{margin:0 0 1rem}hr{border:none;border-top:1px solid var(--border);margin:2.5rem 0}code{font-family:var(--font-mono);font-size:.875em;background:var(--bg-soft);padding:.15em .4em;border-radius:5px}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}.container{max-width:var(--max-width);margin:0 auto;padding:0 1.25rem}.site-main{padding:2.5rem 0 4rem;min-height:60vh}.page-header{margin-bottom:2rem}.page-header p{color:var(--text-muted);margin:0}.muted{color:var(--text-muted)}.section{margin-top:3rem}.section:first-child{margin-top:0}.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;margin-bottom:1.25rem;border-bottom:1px solid var(--border);padding-bottom:.4rem}.section-head h2{margin:0}.section-head a{font-size:.9rem;white-space:nowrap}.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--border)}.nav-inner{max-width:var(--max-width);margin:0 auto;padding:.6rem 1.25rem;display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.nav-brand{font-weight:700;font-size:1.05rem;letter-spacing:-.01em;color:var(--text)}.nav-brand:hover{text-decoration:none;color:var(--accent)}.nav-links{display:flex;align-items:center;gap:.25rem;margin-left:auto;flex-wrap:wrap}.nav-links a{color:var(--text-muted);font-size:.92rem;padding:.35rem .6rem;border-radius:8px}.nav-links a:hover{color:var(--text);background:var(--bg-soft);text-decoration:none}.nav-links a[aria-current=page]{color:var(--accent);font-weight:600}.nav-tools{display:flex;align-items:center;gap:.35rem}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border:1px solid var(--border);border-radius:8px;background:var(--bg-elevated);color:var(--text-muted);cursor:pointer;font-size:.82rem;font-weight:600;padding:0}.icon-btn:hover{color:var(--text);border-color:var(--accent);text-decoration:none}.footer{border-top:1px solid var(--border);background:var(--bg-soft)}.footer-inner{max-width:var(--max-width);margin:0 auto;padding:1.5rem 1.25rem;display:flex;flex-wrap:wrap;gap:.5rem 1.25rem;align-items:center;justify-content:space-between;font-size:.85rem;color:var(--text-muted)}.footer-inner a{color:var(--text-muted)}.footer-inner a:hover{color:var(--accent)}.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem .9rem;border-radius:8px;background:var(--accent);color:#fff;font-size:.9rem;font-weight:600;border:1px solid transparent}.btn:hover{background:var(--accent-hover);color:#fff;text-decoration:none}.btn-ghost{background:transparent;color:var(--accent);border-color:var(--border)}.btn-ghost:hover{background:var(--accent-soft);color:var(--accent)}.tag{display:inline-block;font-size:.72rem;font-weight:600;letter-spacing:.02em;text-transform:uppercase;padding:.15rem .5rem;border-radius:999px;background:var(--accent-soft);color:var(--accent)}.tag-muted{background:var(--bg-soft);color:var(--text-muted)}.pill-link{display:inline-flex;align-items:center;font-size:.8rem;font-weight:600;padding:.2rem .6rem;border-radius:999px;border:1px solid var(--border);color:var(--text-muted)}.pill-link:hover{color:var(--accent);border-color:var(--accent);text-decoration:none}@media(max-width:600px){body{font-size:16px}.nav-links a{padding:.3rem .45rem;font-size:.85rem}}