:root{--color-bg:#ffffff;--color-bg-secondary:#f8f9fa;--color-text:#212529;--color-text-secondary:#6c757d;--color-primary:#0d6efd;--color-primary-hover:#0a58ca;--color-border:#dee2e6;--color-code-bg:#f4f4f5;--color-success:#198754;--color-warning:#ffc107;--color-danger:#dc3545;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans KR", sans-serif;--font-mono:"Fira Code", "Consolas", "Monaco", monospace;--container-max:800px;--header-height:64px;--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--shadow-sm:0 1px 2px rgba(0, 0, 0, 0.05);--shadow-md:0 4px 6px rgba(0, 0, 0, 0.1);--transition:0.2s ease}[data-theme=dark]{--color-bg:#1a1a2e;--color-bg-secondary:#16213e;--color-text:#e8e8e8;--color-text-secondary:#a0a0a0;--color-primary:#4dabf7;--color-primary-hover:#74c0fc;--color-border:#2d3748;--color-code-bg:#2d2d3d}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-sans);background-color:var(--color-bg);color:var(--color-text);line-height:1.7;min-height:100vh;display:flex;flex-direction:column;transition:background-color var(--transition),color var(--transition)}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition)}a:hover{color:var(--color-primary-hover)}img{max-width:100%;height:auto;display:block}.skip-link{position:absolute;top:-100%;left:var(--spacing-md);background:var(--color-primary);color:#fff;padding:var(--spacing-sm)var(--spacing-md);border-radius:var(--radius-sm);z-index:1000}.skip-link:focus{top:var(--spacing-md)}.site-header{position:sticky;top:0;background:var(--color-bg);border-bottom:1px solid var(--color-border);z-index:100;height:var(--header-height)}.header-container{max-width:var(--container-max);margin:0 auto;padding:0 var(--spacing-md);height:100%;display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-md)}.site-logo{display:flex;align-items:center;gap:var(--spacing-sm);color:var(--color-text);font-weight:700;font-size:1.125rem}.site-logo svg{color:var(--color-primary)}.site-nav{flex:1}.nav-list{display:flex;list-style:none;gap:var(--spacing-lg);justify-content:center}.nav-item a{color:var(--color-text-secondary);font-weight:500;padding:var(--spacing-sm)0;position:relative}.nav-item a:hover,.nav-item a[aria-current=page]{color:var(--color-primary)}.menu-toggle{display:none;background:0 0;border:none;cursor:pointer;padding:var(--spacing-sm);color:var(--color-text)}.theme-toggle{background:0 0;border:none;cursor:pointer;padding:var(--spacing-sm);color:var(--color-text);display:flex;align-items:center;justify-content:center}.theme-toggle:hover{color:var(--color-primary)}main{flex:1;max-width:var(--container-max);width:100%;margin:0 auto;padding:var(--spacing-xl)var(--spacing-md)}.home-hero{text-align:center;padding:var(--spacing-2xl)0;border-bottom:1px solid var(--color-border);margin-bottom:var(--spacing-xl)}.home-hero h1{font-size:2.5rem;margin-bottom:var(--spacing-md);color:var(--color-text)}.hero-description{font-size:1.25rem;color:var(--color-text-secondary);max-width:600px;margin:0 auto}.section-title{font-size:1.5rem;margin-bottom:var(--spacing-lg);color:var(--color-text)}.post-list{list-style:none;display:flex;flex-direction:column;gap:var(--spacing-xl)}.post-item{padding-bottom:var(--spacing-xl);border-bottom:1px solid var(--color-border)}.post-item:last-child{border-bottom:none}.post-title{font-size:1.375rem;margin-bottom:var(--spacing-sm);line-height:1.4}.post-title a{color:var(--color-text)}.post-title a:hover{color:var(--color-primary)}.post-meta{display:flex;gap:var(--spacing-md);color:var(--color-text-secondary);font-size:.875rem;margin-bottom:var(--spacing-sm)}.post-summary{color:var(--color-text-secondary);margin-bottom:var(--spacing-sm)}.post-tags{display:flex;flex-wrap:wrap;gap:var(--spacing-sm)}.tag{display:inline-block;padding:var(--spacing-xs)var(--spacing-sm);background:var(--color-bg-secondary);border-radius:var(--radius-sm);font-size:.8125rem;color:var(--color-text-secondary)}.tag:hover{background:var(--color-primary);color:#fff}.view-all{display:inline-block;margin-top:var(--spacing-lg);font-weight:500}.home-categories{margin-top:var(--spacing-2xl)}.category-list{list-style:none;display:flex;flex-wrap:wrap;gap:var(--spacing-sm)}.category-item a{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm)var(--spacing-md);background:var(--color-bg-secondary);border-radius:var(--radius-md);color:var(--color-text)}.category-item a:hover{background:var(--color-primary);color:#fff}.category-count{font-size:.75rem;padding:2px 6px;background:var(--color-bg);border-radius:var(--radius-sm)}.single-post .post-header{margin-bottom:var(--spacing-xl);padding-bottom:var(--spacing-lg);border-bottom:1px solid var(--color-border)}.single-post .post-title{font-size:2rem;line-height:1.3}.table-of-contents{background:var(--color-bg-secondary);padding:var(--spacing-lg);border-radius:var(--radius-md);margin-bottom:var(--spacing-xl)}.table-of-contents h2{font-size:1rem;margin-bottom:var(--spacing-md)}.table-of-contents nav{font-size:.9375rem}.table-of-contents ul{list-style:none;padding-left:var(--spacing-md)}.table-of-contents li{margin:var(--spacing-sm)0}.table-of-contents a{color:var(--color-text-secondary)}.table-of-contents a:hover{color:var(--color-primary)}.post-content{line-height:1.8}.post-content h2{font-size:1.5rem;margin-top:var(--spacing-2xl);margin-bottom:var(--spacing-md);padding-bottom:var(--spacing-sm);border-bottom:1px solid var(--color-border)}.post-content h3{font-size:1.25rem;margin-top:var(--spacing-xl);margin-bottom:var(--spacing-md)}.post-content h4{font-size:1.125rem;margin-top:var(--spacing-lg);margin-bottom:var(--spacing-sm)}.post-content p{margin-bottom:var(--spacing-md)}.post-content ul,.post-content ol{margin-bottom:var(--spacing-md);padding-left:var(--spacing-lg)}.post-content li{margin-bottom:var(--spacing-sm)}.post-content blockquote{border-left:4px solid var(--color-primary);padding-left:var(--spacing-md);margin:var(--spacing-lg)0;color:var(--color-text-secondary);font-style:italic}.post-content code{font-family:var(--font-mono);font-size:.875em;background:var(--color-code-bg);padding:2px 6px;border-radius:var(--radius-sm)}.post-content pre{background:var(--color-code-bg);padding:var(--spacing-md);border-radius:var(--radius-md);overflow-x:auto;margin:var(--spacing-lg)0}.post-content pre code{background:0 0;padding:0}.post-content table{width:100%;border-collapse:collapse;margin:var(--spacing-lg)0}.post-content th,.post-content td{padding:var(--spacing-sm)var(--spacing-md);border:1px solid var(--color-border);text-align:left}.post-content th{background:var(--color-bg-secondary);font-weight:600}.post-footer{margin-top:var(--spacing-2xl);padding-top:var(--spacing-lg);border-top:1px solid var(--color-border)}.post-categories{display:flex;gap:var(--spacing-sm);flex-wrap:wrap;margin-bottom:var(--spacing-md)}.post-categories span{color:var(--color-text-secondary)}.post-updated{color:var(--color-text-secondary);font-size:.875rem}.post-navigation{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-md);margin-top:var(--spacing-xl);padding-top:var(--spacing-lg);border-top:1px solid var(--color-border)}.post-navigation a{padding:var(--spacing-md);background:var(--color-bg-secondary);border-radius:var(--radius-md);display:flex;flex-direction:column;gap:var(--spacing-xs)}.post-navigation .next-post{text-align:right}.nav-label{font-size:.75rem;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.05em}.nav-title{color:var(--color-text);font-weight:500}.list-page .list-header{margin-bottom:var(--spacing-xl)}.list-page h1{font-size:2rem}.list-description{color:var(--color-text-secondary);margin-top:var(--spacing-sm)}.pagination{display:flex;justify-content:center;align-items:center;gap:var(--spacing-md);margin-top:var(--spacing-xl);padding-top:var(--spacing-lg)}.page-link{padding:var(--spacing-sm)var(--spacing-md);background:var(--color-bg-secondary);border-radius:var(--radius-sm)}.page-info{color:var(--color-text-secondary)}.terms-list{list-style:none;display:flex;flex-wrap:wrap;gap:var(--spacing-sm)}.term-item a{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm)var(--spacing-md);background:var(--color-bg-secondary);border-radius:var(--radius-md);color:var(--color-text)}.term-item a:hover{background:var(--color-primary);color:#fff}.term-count{font-size:.75rem;color:var(--color-text-secondary)}.term-item a:hover .term-count{color:rgba(255,255,255,.8)}.callout{display:flex;gap:var(--spacing-md);padding:var(--spacing-md);border-radius:var(--radius-md);margin:var(--spacing-lg)0}.callout-icon{flex-shrink:0}.callout-content p:last-child{margin-bottom:0}.callout-note{background:rgba(13,110,253,.1);border-left:4px solid var(--color-primary)}.callout-warning{background:rgba(255,193,7,.1);border-left:4px solid var(--color-warning)}.callout-tip{background:rgba(25,135,84,.1);border-left:4px solid var(--color-success)}.figure{margin:var(--spacing-lg)0;text-align:center}.figure img{margin:0 auto;border-radius:var(--radius-md)}.figure figcaption{margin-top:var(--spacing-sm);font-size:.875rem;color:var(--color-text-secondary)}.site-footer{background:var(--color-bg-secondary);border-top:1px solid var(--color-border);padding:var(--spacing-xl)0;margin-top:auto}.footer-container{max-width:var(--container-max);margin:0 auto;padding:0 var(--spacing-md);text-align:center}.footer-links{list-style:none;display:flex;justify-content:center;gap:var(--spacing-lg);margin-bottom:var(--spacing-md)}.footer-links a{color:var(--color-text-secondary);font-size:.875rem}.footer-links a:hover{color:var(--color-primary)}.footer-info{color:var(--color-text-secondary);font-size:.875rem}.footer-info p{margin:var(--spacing-xs)0}.no-posts,.no-terms{text-align:center;color:var(--color-text-secondary);padding:var(--spacing-2xl)}@media(max-width:768px){html{font-size:15px}.menu-toggle{display:flex}.site-nav{position:absolute;top:var(--header-height);left:0;right:0;background:var(--color-bg);border-bottom:1px solid var(--color-border);padding:var(--spacing-md);display:none}.site-nav.active{display:block}.nav-list{flex-direction:column;gap:0}.nav-item a{display:block;padding:var(--spacing-md)}.home-hero h1{font-size:1.75rem}.hero-description{font-size:1rem}.single-post .post-title{font-size:1.5rem}.post-navigation{grid-template-columns:1fr}.post-navigation .next-post{text-align:left}}@media(max-width:480px){.post-meta{flex-direction:column;gap:var(--spacing-xs)}.footer-links{flex-wrap:wrap;gap:var(--spacing-md)}}