:root{--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--bg-card: #ffffff;--text-primary: #1a1a2e;--text-secondary: #4a4a68;--text-muted: #6c757d;--accent: #6366f1;--accent-hover: #4f46e5;--border: #e9ecef;--shadow: rgba(0, 0, 0, 0.08);--code-bg: #f1f3f4;--cat-tech: #3b82f6;--cat-essay: #10b981;--cat-story: #f59e0b;--cat-daily: #ec4899;--cat-marketing: #8b5cf6}@media (prefers-color-scheme: dark){:root{--bg-primary: #0f0f1a;--bg-secondary: #1a1a2e;--bg-card: #16213e;--text-primary: #e8e8e8;--text-secondary: #a8a8b8;--text-muted: #6c6c7c;--accent: #818cf8;--accent-hover: #6366f1;--border: #2a2a3e;--shadow: rgba(0, 0, 0, 0.3);--code-bg: #1e1e2e}}[data-theme="dark"]{--bg-primary: #0f0f1a;--bg-secondary: #1a1a2e;--bg-card: #16213e;--text-primary: #e8e8e8;--text-secondary: #a8a8b8;--text-muted: #6c6c7c;--accent: #818cf8;--accent-hover: #6366f1;--border: #2a2a3e;--shadow: rgba(0, 0, 0, 0.3);--code-bg: #1e1e2e}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.7;font-size:16px;transition:background-color 0.3s ease, color 0.3s ease}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;margin-bottom:1rem;color:var(--text-primary)}h1{font-size:2.5rem}h2{font-size:2rem;margin-top:2.5rem}h3{font-size:1.5rem;margin-top:2rem}h4{font-size:1.25rem}p{margin-bottom:1.5rem;color:var(--text-secondary)}a{color:var(--accent);text-decoration:none;transition:color 0.2s ease}a:hover{color:var(--accent-hover)}.wrapper{max-width:800px;margin:0 auto;padding:0 1.5rem}.site-header{background:var(--bg-card);border-bottom:1px solid var(--border);padding:1rem 0;position:sticky;top:0;z-index:100;backdrop-filter:blur(10px)}.site-header .wrapper{display:flex;justify-content:space-between;align-items:center}.site-title{font-size:1.5rem;font-weight:800;color:var(--text-primary) !important;letter-spacing:-0.5px}.site-title:hover{color:var(--accent) !important}.site-nav{display:flex;gap:1.5rem;align-items:center}.site-nav a{color:var(--text-secondary);font-weight:500;font-size:0.95rem}.site-nav a:hover{color:var(--accent)}.theme-toggle{background:none;border:none;cursor:pointer;font-size:1.2rem;padding:0.5rem;border-radius:8px;transition:background 0.2s}.theme-toggle:hover{background:var(--bg-secondary)}.hero{text-align:center;padding:4rem 0 3rem}.hero h1{font-size:3rem;margin-bottom:1rem;background:linear-gradient(135deg, var(--accent) 0%, #ec4899 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero .tagline{font-size:1.25rem;color:var(--text-muted);max-width:500px;margin:0 auto}.stats-bar{display:flex;justify-content:center;gap:3rem;padding:2rem 0;margin-bottom:2rem}.stats-bar .stat{text-align:center}.stats-bar .stat .number{font-size:2rem;font-weight:800;color:var(--accent)}.stats-bar .stat .label{font-size:0.85rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}.post-list{list-style:none;padding:0}.post-item{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:1.5rem 2rem;margin-bottom:1.5rem;transition:transform 0.2s ease, box-shadow 0.2s ease}.post-item:hover{transform:translateY(-4px);box-shadow:0 12px 40px var(--shadow)}.post-meta{display:flex;align-items:center;gap:1rem;margin-bottom:0.75rem;font-size:0.85rem}.post-date{color:var(--text-muted)}.post-category{padding:0.25rem 0.75rem;border-radius:20px;font-size:0.75rem;font-weight:600;text-transform:uppercase;letter-spacing:0.5px}.post-category.tech{background:rgba(59,130,246,0.15);color:var(--cat-tech)}.post-category.essay{background:rgba(16,185,129,0.15);color:var(--cat-essay)}.post-category.story{background:rgba(245,158,11,0.15);color:var(--cat-story)}.post-category.daily{background:rgba(236,72,153,0.15);color:var(--cat-daily)}.post-category.marketing{background:rgba(139,92,246,0.15);color:var(--cat-marketing)}.post-title{font-size:1.35rem;margin-bottom:0.5rem}.post-title a{color:var(--text-primary)}.post-title a:hover{color:var(--accent)}.post-excerpt{color:var(--text-secondary);font-size:0.95rem;line-height:1.6}.post-tags{display:flex;gap:0.5rem;margin-top:1rem;flex-wrap:wrap}.post-tags .tag{font-size:0.8rem;color:var(--text-muted);background:var(--bg-secondary);padding:0.2rem 0.6rem;border-radius:4px}.post-tags .tag:hover{color:var(--accent)}.post-content{padding:2rem 0}.post-content h2{border-bottom:2px solid var(--border);padding-bottom:0.5rem}.post-content img{max-width:100%;border-radius:12px;margin:2rem 0}.post-content blockquote{border-left:4px solid var(--accent);padding-left:1.5rem;margin:1.5rem 0;color:var(--text-secondary);font-style:italic;background:var(--bg-secondary);padding:1rem 1.5rem;border-radius:0 8px 8px 0}.post-content code{background:var(--code-bg);padding:0.2rem 0.5rem;border-radius:4px;font-size:0.9rem;font-family:'JetBrains Mono', 'Fira Code', monospace}.post-content pre{background:var(--code-bg);padding:1.5rem;border-radius:12px;overflow-x:auto;margin:1.5rem 0}.post-content pre code{background:none;padding:0}.post-content table{width:100%;border-collapse:collapse;margin:1.5rem 0}.post-content table th,.post-content table td{border:1px solid var(--border);padding:0.75rem 1rem;text-align:left}.post-content table th{background:var(--bg-secondary);font-weight:600}.post-content table tr:hover{background:var(--bg-secondary)}.post-content ul,.post-content ol{margin:1rem 0 1.5rem 1.5rem;color:var(--text-secondary)}.post-content ul li,.post-content ol li{margin-bottom:0.5rem}.site-footer{border-top:1px solid var(--border);padding:3rem 0;margin-top:4rem;text-align:center;color:var(--text-muted);font-size:0.9rem}.site-footer .footer-links{display:flex;justify-content:center;gap:2rem;margin-bottom:1rem}.site-footer .footer-links a{color:var(--text-secondary)}.site-footer .footer-links a:hover{color:var(--accent)}.category-list{display:grid;grid-template-columns:repeat(auto-fit, minmax(200px, 1fr));gap:1rem;margin:2rem 0}.category-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:1.5rem;text-align:center;transition:transform 0.2s, box-shadow 0.2s}.category-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px var(--shadow)}.category-card .icon{font-size:2rem;margin-bottom:0.5rem}.category-card .name{font-weight:600;margin-bottom:0.25rem}.category-card .count{color:var(--text-muted);font-size:0.85rem}.error-page{text-align:center;padding:6rem 0}.error-page .error-code{font-size:8rem;font-weight:800;color:var(--accent);line-height:1}.error-page .error-message{font-size:1.5rem;color:var(--text-secondary);margin:1rem 0 2rem}.error-page .back-home{display:inline-block;background:var(--accent);color:white;padding:0.75rem 2rem;border-radius:8px;font-weight:600}.error-page .back-home:hover{background:var(--accent-hover);color:white}@media (max-width: 768px){.hero h1{font-size:2rem}.stats-bar{gap:1.5rem}.stats-bar .stat .number{font-size:1.5rem}.post-item{padding:1.25rem}.site-nav{gap:1rem}}@keyframes fadeIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.post-item{animation:fadeIn 0.5s ease forwards}.post-item:nth-child(1){animation-delay:.1s}.post-item:nth-child(2){animation-delay:.2s}.post-item:nth-child(3){animation-delay:.3s}.post-item:nth-child(4){animation-delay:.4s}.post-item:nth-child(5){animation-delay:.5s}.post-item:nth-child(6){animation-delay:.6s}.post-item:nth-child(7){animation-delay:.7s}.post-item:nth-child(8){animation-delay:.8s}.post-item:nth-child(9){animation-delay:.9s}.post-item:nth-child(10){animation-delay:1s}