:root{--blue: #3182f6;--blue-hover: #2272eb;--blue-light: #e8f3ff;--canvas: #ffffff;--bg: #f9fafb;--surface: #f2f4f6;--border: #e5e8eb;--border-strong: #d1d6db;--heading: #191f28;--body: #4e5968;--muted: #8b95a1;--placeholder: #b0b8c1;--shadow-sm: 0px 1px 3px rgba(0,0,0,.06);--shadow-md: 0px 2px 8px rgba(0,0,0,.08);--shadow-lg: 0px 4px 12px rgba(0,0,0,.12);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-pill: 9999px;--font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;--font-mono: "SF Mono", SFMono-Regular, Menlo, Consolas, monospace}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--body);font-family:var(--font);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--blue);text-decoration:none}a:hover{color:var(--blue-hover)}.container{max-width:680px;margin:0 auto;padding:0 20px}header{position:sticky;top:0;z-index:100;background:#ffffffeb;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}header .inner{display:flex;align-items:center;justify-content:space-between;height:56px}.logo{font-size:15px;font-weight:700;color:var(--blue);letter-spacing:-.01em}.logo:hover{color:var(--blue-hover)}header nav{display:flex;gap:4px}header nav a{font-size:14px;font-weight:500;color:var(--muted);padding:6px 12px;border-radius:var(--radius-sm);transition:background .15s,color .15s}header nav a:hover{background:var(--surface);color:var(--heading)}main{padding:96px 20px 64px;min-height:calc(100vh - 120px)}footer{border-top:1px solid var(--border);background:var(--canvas)}.footer-inner{display:flex;align-items:center;gap:8px;height:64px;font-size:13px;color:var(--placeholder)}.footer-logo{font-weight:700;color:var(--muted)}.hero{background:var(--canvas);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;margin-bottom:24px;box-shadow:var(--shadow-sm)}.hero-label{display:inline-block;font-size:12px;font-weight:700;color:var(--blue);background:var(--blue-light);padding:3px 10px;border-radius:var(--radius-pill);margin-bottom:12px;letter-spacing:.03em}.hero h1{font-size:22px;font-weight:700;color:var(--heading);line-height:1.36;margin-bottom:8px;letter-spacing:-.02em}.hero p{font-size:15px;color:var(--muted);line-height:1.6}.section-label{font-size:12px;font-weight:600;color:var(--placeholder);letter-spacing:.06em;text-transform:uppercase;margin-bottom:12px}.post-list{list-style:none;display:flex;flex-direction:column;gap:12px}.post-card{background:var(--canvas);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px 24px;box-shadow:var(--shadow-sm);transition:box-shadow .2s,border-color .2s,transform .2s;cursor:pointer}.post-card:hover{box-shadow:var(--shadow-md);border-color:var(--border-strong);transform:translateY(-1px)}.post-card a{display:block;color:inherit;text-decoration:none}.post-meta{display:flex;align-items:center;gap:8px;margin-bottom:8px}.post-date{font-size:13px;color:var(--placeholder);font-variant-numeric:tabular-nums}html[data-lang=ko] .en,html[data-lang=en] .ko{display:none}.lang-btn{font-size:12px;font-weight:600;color:var(--muted);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-pill);padding:4px 10px;cursor:pointer;transition:background .15s,color .15s;line-height:1}.lang-btn:hover{background:var(--border);color:var(--heading)}.badge{display:inline-flex;align-items:center;font-size:11px;font-weight:700;padding:2px 8px;border-radius:var(--radius-pill);line-height:1.5;letter-spacing:.02em}.badge-Build{background:var(--blue-light);color:#2272eb}.badge-Research{background:#03b26c1f;color:#03b26c}.badge-Notes{background:#0220470d;color:var(--body)}.category-hero{margin-top:48px;margin-bottom:20px}.category-hero .badge{display:inline-flex;margin-bottom:14px;margin-left:2px}.category-title{font-size:32px;font-weight:700;color:var(--heading);letter-spacing:-.02em;line-height:1.1;margin:0}.filter-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:24px}.filter-tab{font-size:13px;font-weight:600;color:var(--muted);background:var(--canvas);border:1px solid var(--border);border-radius:var(--radius-pill);padding:6px 16px;cursor:pointer;transition:background .15s,color .15s,border-color .15s;line-height:1.4}.filter-tab:hover{border-color:var(--border-strong);color:var(--heading)}.filter-tab.active{background:var(--heading);color:var(--canvas);border-color:var(--heading)}.no-results{display:none;padding:32px;text-align:center;font-size:14px;color:var(--placeholder)}.category-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}.empty-state{background:var(--canvas);border:1px dashed var(--border-strong);border-radius:var(--radius-md);padding:48px 32px;text-align:center}.empty-state p{font-size:14px;color:var(--placeholder);margin:0;line-height:1.6}.empty-state .hint{font-size:12px;font-family:var(--font-mono);color:var(--border-strong);margin-top:8px}.post-title{font-size:16px;font-weight:600;color:var(--heading);line-height:1.5;margin-bottom:6px;letter-spacing:-.01em}.post-desc{font-size:14px;color:var(--muted);line-height:1.57;margin-bottom:0}.post-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}.tag{font-size:12px;color:var(--blue);font-weight:500}.article-header{background:var(--canvas);border:1px solid var(--border);border-radius:var(--radius-md);padding:28px 32px;margin-bottom:20px;box-shadow:var(--shadow-sm)}.article-header .post-meta{margin-bottom:12px}.article-header h1{font-size:24px;font-weight:700;color:var(--heading);line-height:1.36;letter-spacing:-.02em;margin-bottom:8px}.article-header .desc{font-size:15px;color:var(--muted);line-height:1.6}.prose{background:var(--canvas);border:1px solid var(--border);border-radius:var(--radius-md);padding:32px;box-shadow:var(--shadow-sm);font-size:15px;line-height:1.8;color:var(--body)}.prose h2{font-size:18px;font-weight:700;color:var(--heading);margin:2rem 0 .75rem;padding-bottom:.5rem;border-bottom:1px solid var(--border);letter-spacing:-.01em}.prose h3{font-size:16px;font-weight:600;color:var(--heading);margin:1.5rem 0 .5rem}.prose p{margin:1rem 0}.prose strong{font-weight:600;color:var(--heading)}.prose a{color:var(--blue)}.prose a:hover{color:var(--blue-hover)}.prose code{font-family:var(--font-mono);font-size:.85em;background:var(--surface);color:var(--heading);padding:.15em .45em;border-radius:5px;border:1px solid var(--border)}.prose pre{background:var(--heading);border-radius:var(--radius-sm);padding:20px 24px;overflow-x:auto;margin:1.5rem 0}.prose pre code{background:none;border:none;padding:0;color:#e8e8e8;font-size:14px}.prose blockquote{border-left:3px solid var(--blue);margin:1.5rem 0;padding:12px 20px;background:var(--blue-light);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#2272eb;font-style:normal}.prose ul,.prose ol{padding-left:1.5rem;margin:1rem 0}.prose li{margin:.4rem 0}.prose hr{border:none;border-top:1px solid var(--border);margin:2rem 0}.prose table{width:100%;border-collapse:collapse;font-size:14px;margin:1.5rem 0}.prose th{background:var(--surface);color:var(--heading);font-weight:600;text-align:left;padding:10px 16px;border:1px solid var(--border);font-size:13px}.prose td{padding:10px 16px;border:1px solid var(--border);color:var(--body);vertical-align:top}.prose tr:nth-child(2n) td{background:var(--bg)}.prose .meta-footer{margin-top:2rem;padding-top:1rem;border-top:1px solid var(--border);font-size:13px;color:var(--placeholder)}.back-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:500;color:var(--muted);margin-bottom:20px;padding:6px 12px;background:var(--canvas);border:1px solid var(--border);border-radius:var(--radius-pill);box-shadow:var(--shadow-sm);transition:background .15s,color .15s}.back-link:hover{background:var(--surface);color:var(--heading)}.source-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:500;color:var(--blue);background:var(--blue-light);border:1px solid rgba(49,130,246,.2);border-radius:var(--radius-pill);padding:5px 14px;margin-top:12px;transition:background .15s}.source-link:hover{background:#d4e9ff;color:var(--blue-hover)}.source-label{font-size:11px;font-weight:700;color:var(--placeholder);text-transform:uppercase;letter-spacing:.06em;margin-top:16px;margin-bottom:4px}.project-group{margin-bottom:32px}.project-name{font-size:15px;font-weight:700;color:var(--heading);margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid var(--border);letter-spacing:-.01em}.version-list{list-style:none;display:flex;flex-direction:column;gap:8px}.version-card{background:var(--canvas);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px;box-shadow:var(--shadow-sm);transition:box-shadow .15s,border-color .15s}.version-card:hover{box-shadow:var(--shadow-md);border-color:var(--border-strong)}.version-card a{text-decoration:none;display:contents}.version-left{display:flex;align-items:center;gap:10px}.version-tag{font-size:11px;font-weight:700;font-family:var(--font-mono);background:var(--surface);color:var(--body);padding:2px 8px;border-radius:var(--radius-sm);border:1px solid var(--border)}.version-desc{font-size:14px;color:var(--body)}.version-date{font-size:12px;color:var(--placeholder);font-variant-numeric:tabular-nums;white-space:nowrap}.badge-Project{background:#a234c71a;color:#a234c7}