:root{--max-width: 1080px;--max-width-prose: 720px;--radius: 16px;--radius-sm: 10px;--ease: cubic-bezier(.22, 1, .36, 1);--mono: ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, monospace}[data-theme=dark]{--bg: #0a0a0c;--bg-elev: #111114;--surface: rgba(255, 255, 255, .03);--surface-hover: rgba(255, 255, 255, .06);--border: rgba(255, 255, 255, .08);--border-strong: rgba(255, 255, 255, .16);--text: #f5f5f7;--text-muted: #a1a1aa;--text-dim: #6b6b73;--accent: #60a5fa;--accent-soft: rgba(96, 165, 250, .14);--success: #22c55e;--code-bg: #0f1014}[data-theme=light]{--bg: #fafafa;--bg-elev: #ffffff;--surface: #ffffff;--surface-hover: #f4f4f5;--border: rgba(0, 0, 0, .08);--border-strong: rgba(0, 0, 0, .18);--text: #0a0a0c;--text-muted: #52525b;--text-dim: #8b8b93;--accent: #2563eb;--accent-soft: rgba(37, 99, 235, .1);--success: #16a34a;--code-bg: #f5f5f5}*{box-sizing:border-box}html{scroll-behavior:smooth}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Pretendard Variable,Pretendard,-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,Noto Sans KR,sans-serif;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;letter-spacing:-.01em;overflow-x:hidden;transition:background .3s var(--ease),color .3s var(--ease)}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}::selection{background:var(--accent);color:#fff}.container{max-width:var(--max-width);margin:0 auto;padding:0 clamp(20px,5vw,40px)}.reading-progress{position:fixed;top:0;left:0;height:2px;width:0%;background:var(--accent);z-index:100;transition:width .1s linear;pointer-events:none}.prose pre{position:relative}.code-copy{position:absolute;top:10px;right:10px;padding:4px 10px;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:var(--text-muted);font-family:var(--mono);font-size:11px;cursor:pointer;opacity:0;transition:opacity .2s,color .2s,border-color .2s,background .2s}.prose pre:hover .code-copy,.code-copy:focus-visible{opacity:1}.code-copy:hover{color:var(--text);border-color:var(--border-strong);background:var(--bg-elev)}.code-copy.is-copied{color:var(--accent);border-color:var(--accent);opacity:1}.nav{position:sticky;top:0;z-index:50;backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);background:color-mix(in srgb,var(--bg) 75%,transparent);border-bottom:1px solid transparent;transition:border-color .25s var(--ease)}.nav.scrolled{border-bottom-color:var(--border)}.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.nav-brand{font-weight:800;letter-spacing:-.03em;font-size:17px}.nav-brand .accent{color:var(--accent)}.nav-actions{display:flex;align-items:center;gap:4px}.nav-link{font-size:13.5px;color:var(--text-muted);padding:8px 12px;border-radius:8px;transition:color .15s,background .15s}.nav-link:hover{color:var(--text);background:var(--surface-hover)}.nav-link.is-active{color:var(--text)}.theme-toggle{width:36px;height:36px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--text-muted);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;padding:0;margin-left:4px;transition:all .18s var(--ease)}.theme-toggle:hover{color:var(--text);border-color:var(--border-strong)}.theme-toggle svg{width:16px;height:16px}[data-theme=dark] .theme-toggle .icon-sun{display:block}[data-theme=dark] .theme-toggle .icon-moon,[data-theme=light] .theme-toggle .icon-sun{display:none}[data-theme=light] .theme-toggle .icon-moon{display:block}.btn{display:inline-flex;align-items:center;gap:4px;padding:0;border:none;background:transparent;color:var(--text-muted);font-size:14.5px;font-weight:500;font-family:inherit;letter-spacing:-.005em;cursor:pointer;transition:color .18s var(--ease)}.btn:hover{color:var(--accent)}.btn-primary{color:var(--text);font-weight:600}.btn-primary:hover{color:var(--accent)}.btn-ghost{color:var(--text-muted)}.btn-ghost:hover{color:var(--text)}.hero{padding:clamp(56px,10vw,120px) 0 clamp(40px,6vw,72px)}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);padding:6px 12px;border:1px solid var(--border);border-radius:999px;background:var(--surface);margin-bottom:28px}.dot{width:7px;height:7px;border-radius:50%;background:var(--success);animation:pulse 2.2s ease-out infinite}@keyframes pulse{0%{box-shadow:0 0 color-mix(in srgb,var(--success) 60%,transparent)}80%{box-shadow:0 0 0 10px color-mix(in srgb,var(--success) 0%,transparent)}to{box-shadow:0 0 color-mix(in srgb,var(--success) 0%,transparent)}}@media(prefers-reduced-motion:reduce){.dot{animation:none}}.hero-intro{display:flex;align-items:center;gap:24px;margin-bottom:32px}.hero-text{display:flex;flex-direction:column;gap:10px;min-width:0;flex:1}.hero-text .hero-cta{margin-top:10px}.avatar{width:140px;height:140px;border-radius:50%;border:1px solid var(--border);background:var(--surface);object-fit:cover;object-position:center 30%;flex-shrink:0}@media(max-width:720px){.hero-intro{gap:16px;align-items:flex-start}.avatar{width:100px;height:100px}}.hero h1{font-size:clamp(28px,4vw,42px);font-weight:800;line-height:1.15;letter-spacing:-.04em;margin:0}.hero h1 .accent{color:var(--accent)}.break-mobile{display:none}@media(max-width:720px){.break-mobile{display:block}}.hero-subtitle{font-size:15.5px;color:var(--text-muted);margin:0;line-height:1.55}.hero-meta{display:flex;flex-wrap:wrap;gap:8px 14px;margin-top:6px;font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--text-dim)}.hero-meta-item{display:inline-flex;align-items:center;gap:6px}.hero-meta-item+.hero-meta-item:before{content:"";display:inline-block;width:2px;height:2px;border-radius:50%;background:var(--text-dim);margin-right:8px;opacity:.6}.hero-status{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;margin-top:36px;padding:16px 20px;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-sm)}.hero-status-label{font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);padding:4px 10px;background:var(--accent-soft);border-radius:999px}.hero-status-text{font-size:14.5px;color:var(--text);line-height:1.55}.hero-status-text strong{font-weight:600}.hero-status-date{font-family:var(--mono);font-size:11.5px;color:var(--text-dim);letter-spacing:.04em;white-space:nowrap}@media(max-width:600px){.hero-status{grid-template-columns:auto auto;grid-template-rows:auto auto}.hero-status-text{grid-column:1 / -1}}.lead{font-size:clamp(17px,1.9vw,19px);color:var(--text-muted);max-width:620px;margin:0 0 32px;line-height:1.65}.lead strong{color:var(--text);font-weight:600}.hero-cta{display:flex;flex-wrap:wrap;gap:24px}.section{padding:clamp(48px,7vw,88px) 0;scroll-margin-top:80px}.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:32px;flex-wrap:wrap}.section-head-text{flex:1;min-width:0}.section-label{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.08em;color:var(--text-dim)}.section-label:before{content:"// ";color:var(--accent);opacity:.7}.section-title{font-size:clamp(26px,3.6vw,36px);font-weight:700;letter-spacing:-.03em;line-height:1.2;margin:8px 0 0}.section-sub{margin-top:8px;color:var(--text-muted);font-size:15.5px;max-width:560px}.section-link{font-size:13.5px;color:var(--text-muted);border-bottom:1px solid var(--border);padding-bottom:2px;transition:color .15s,border-color .15s}.section-link:hover{color:var(--text);border-color:var(--text)}.page-header{padding:clamp(64px,10vw,112px) 0 clamp(32px,5vw,56px);border-bottom:1px solid var(--border)}.page-title{font-size:clamp(34px,5vw,56px);font-weight:800;letter-spacing:-.04em;line-height:1.1;margin:12px 0 14px}.page-sub{font-size:16.5px;color:var(--text-muted);max-width:620px;margin:0}.page-sub a{color:var(--text);border-bottom:1px solid var(--border)}.page-sub a:hover{color:var(--accent);border-color:var(--accent)}.post-list{display:flex;flex-direction:column;border-top:1px solid var(--border)}.post-item{display:grid;grid-template-columns:110px 1fr auto;gap:20px;align-items:baseline;padding:20px 0;border-bottom:1px solid var(--border);transition:padding-left .3s var(--ease)}.post-item:hover{padding-left:6px}.post-item-date{font-family:var(--mono);font-size:12.5px;color:var(--text-dim);letter-spacing:.04em;white-space:nowrap}.post-item-title{font-size:16px;font-weight:600;letter-spacing:-.015em;margin:0 0 4px;color:var(--text)}.post-item:hover .post-item-title{color:var(--accent)}.post-item-desc{font-size:14px;color:var(--text-muted);margin:0;line-height:1.55}.post-item-cat{font-family:var(--mono);font-size:11px;color:var(--text-dim);letter-spacing:.08em;text-transform:uppercase;padding:4px 10px;border:1px solid var(--border);border-radius:999px}.category-tabs{display:flex;gap:24px;margin-bottom:36px;flex-wrap:wrap;padding-bottom:4px}.category-tab{display:inline-flex;align-items:center;gap:6px;padding:4px 0;border:none;background:transparent;color:var(--text-dim);font-size:14px;font-weight:500;font-family:inherit;cursor:pointer;transition:color .18s var(--ease)}.category-tab:hover{color:var(--text)}.category-tab[aria-selected=true]{color:var(--text);font-weight:600}.category-count{font-family:var(--mono);font-size:11px;color:var(--text-dim);opacity:.7}.category-tab[aria-selected=true] .category-count{color:var(--accent);opacity:1}.post-list-wrap[data-active-category=note] .post-item-wrap:not([data-post-category=note]),.post-list-wrap[data-active-category=project] .post-item-wrap:not([data-post-category=project]),.post-list-wrap[data-active-category=learning] .post-item-wrap:not([data-post-category=learning]){display:none}.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:56px;padding-top:32px;border-top:1px solid var(--border)}.post-nav-item{display:flex;flex-direction:column;gap:8px;padding:18px 20px;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-sm);transition:border-color .2s,transform .2s var(--ease);text-decoration:none}.post-nav-item:hover{border-color:var(--border-strong);transform:translateY(-2px)}.post-nav-item.is-next{text-align:right;align-items:flex-end}.post-nav-label{font-family:var(--mono);font-size:11.5px;color:var(--text-dim);letter-spacing:.04em}.post-nav-title{font-size:14.5px;font-weight:600;color:var(--text);line-height:1.45;letter-spacing:-.01em;transition:color .2s}.post-nav-item:hover .post-nav-title{color:var(--accent)}@media(max-width:600px){.post-nav{grid-template-columns:1fr}.post-nav-item.is-next{text-align:left;align-items:flex-start}}.year-group{margin-bottom:56px}.year-group:last-child{margin-bottom:0}.year-label{font-family:var(--mono);font-size:13px;font-weight:500;letter-spacing:.05em;color:var(--text-dim);margin-bottom:8px}.projects{display:flex;flex-direction:column;border-top:1px solid var(--border)}.project-row{display:grid;grid-template-columns:96px 1fr auto;gap:24px;padding:26px 0;border-bottom:1px solid var(--border);align-items:baseline;transition:padding-left .3s var(--ease)}.project-row:hover{padding-left:8px}.project-row-meta{display:flex;flex-direction:column;gap:2px}.project-row-num{font-family:var(--mono);font-size:11.5px;color:var(--text-dim);letter-spacing:.08em}.project-row-year{font-family:var(--mono);font-size:12.5px;color:var(--text-muted);letter-spacing:.04em}.project-row-title{font-size:20px;font-weight:700;letter-spacing:-.02em;margin:0 0 8px;color:var(--text);display:flex;align-items:center;gap:8px;transition:color .2s}.project-row:hover .project-row-title{color:var(--accent)}.project-row-title .arrow{font-size:14px;color:var(--text-dim);transition:transform .25s var(--ease),color .2s}.project-row:hover .project-row-title .arrow{transform:translate(3px,-3px);color:var(--accent)}.project-row-desc{font-size:14.5px;color:var(--text-muted);line-height:1.6;margin:0 0 12px}.project-row-stack{font-family:var(--mono);font-size:11.5px;color:var(--text-dim);letter-spacing:.02em}.project-row-chip+.project-row-chip:before{content:" · ";margin:0 2px;opacity:.5}.project-row-platform{font-family:var(--mono);font-size:11.5px;color:var(--text-dim);letter-spacing:.04em;text-align:right;white-space:nowrap;align-self:start;padding-top:6px}@media(max-width:720px){.project-row{grid-template-columns:70px 1fr;gap:16px}.project-row-platform{grid-column:1 / -1;padding-top:0;text-align:left}}.project{position:relative;display:flex;flex-direction:column;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .3s var(--ease),border-color .25s var(--ease),box-shadow .3s var(--ease)}.project:hover{transform:translateY(-3px);border-color:var(--border-strong);box-shadow:0 18px 50px -22px #0000004d}[data-theme=light] .project:hover{box-shadow:0 18px 50px -28px #0000002e}.project-visual{position:relative;aspect-ratio:16 / 9;background:var(--surface);border-bottom:1px solid var(--border);overflow:hidden;display:flex;align-items:flex-end;padding:18px 22px}.project-visual:before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 1px 1px,var(--border) 1px,transparent 0);background-size:18px 18px;mask-image:linear-gradient(to bottom,#0009,#00000026);-webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.6),rgba(0,0,0,.15));pointer-events:none}.project-mark{position:absolute;top:18px;left:22px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--text-dim);text-transform:uppercase;z-index:1}.project-bignum{position:absolute;top:50%;right:22px;transform:translateY(-50%);font-size:clamp(60px,9vw,110px);font-weight:800;letter-spacing:-.06em;color:var(--text);opacity:.05;line-height:1;z-index:0;font-variant-numeric:tabular-nums}.project-meta-row{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-muted);z-index:1}.project-platform{padding:3px 9px;border:1px solid var(--border);border-radius:999px;background:var(--bg);font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--text-muted)}.project-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}.project-title{font-size:19px;font-weight:700;letter-spacing:-.02em;margin:0 0 6px;color:var(--text);display:flex;align-items:center;gap:8px}.project-title .arrow{font-size:14px;color:var(--text-dim);transition:transform .25s var(--ease),color .2s}.project:hover .project-title .arrow{transform:translate(3px,-3px);color:var(--accent)}.project-desc{font-size:14.5px;color:var(--text-muted);line-height:1.6;margin:0 0 14px}.project-roles{font-family:var(--mono);font-size:11.5px;color:var(--text-dim);letter-spacing:.04em;margin-bottom:14px;text-transform:uppercase}.project-roles strong{color:var(--text-muted);font-weight:500;margin-right:4px}.project-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto}.tag{font-size:11.5px;color:var(--text-dim);padding:4px 10px;border:1px solid var(--border);border-radius:999px}.post-wrapper{display:grid;grid-template-columns:minmax(20px,1fr) minmax(0,var(--max-width-prose)) minmax(20px,240px) minmax(20px,1fr);gap:32px;align-items:start}.post{grid-column:2;padding:clamp(40px,7vw,80px) clamp(20px,5vw,40px);min-width:0;max-width:100%}.post-toc{grid-column:3;position:sticky;top:88px;align-self:start;padding:clamp(40px,7vw,80px) 0 0;font-size:13px;max-height:calc(100vh - 100px);overflow-y:auto}.post-toc-label{font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim);padding-bottom:10px;margin-bottom:10px;border-bottom:1px solid var(--border)}.post-toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}.post-toc-item a{display:block;color:var(--text-dim);line-height:1.5;border-left:1px solid transparent;padding:4px 0 4px 12px;margin-left:-12px;transition:color .15s,border-color .15s}.post-toc-item a:hover{color:var(--text)}.post-toc-item a.is-active{color:var(--accent);border-left-color:var(--accent)}.post-toc-item.depth-3 a{padding-left:24px;font-size:12.5px}@media(max-width:1100px){.post-wrapper{grid-template-columns:minmax(0,1fr)}.post{grid-column:1;max-width:var(--max-width-prose);margin:0 auto;width:100%}.post-toc{display:none}}.post-head{margin-bottom:40px}.post-back{display:inline-block;font-family:var(--mono);font-size:12.5px;color:var(--text-muted);margin-bottom:22px;transition:color .15s}.post-back:hover{color:var(--accent)}.post-title{font-size:clamp(30px,4.4vw,44px);font-weight:800;letter-spacing:-.035em;line-height:1.15;margin:0 0 16px}.post-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-family:var(--mono);font-size:12.5px;color:var(--text-dim);letter-spacing:.02em}.post-meta .tag{font-family:var(--mono)}.post-tags{display:flex;flex-wrap:wrap;gap:6px}.post-foot{margin-top:56px;padding-top:24px;border-top:1px solid var(--border)}.project-page{padding:clamp(40px,7vw,80px) clamp(20px,5vw,40px);max-width:var(--max-width-prose);margin:0 auto}.project-page-title{font-size:clamp(34px,5vw,52px);font-weight:800;letter-spacing:-.04em;line-height:1.1;margin:18px 0 14px}.project-page-desc{font-size:17px;color:var(--text-muted);margin:0 0 28px;line-height:1.6}.project-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px 24px;padding:20px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);margin:0 0 18px}.project-info div{display:flex;flex-direction:column;gap:4px}.project-info dt{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim)}.project-info dd{margin:0;font-size:14.5px;color:var(--text)}.project-info dd a{color:var(--accent)}.project-page-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:40px}.prose{font-size:16.5px;line-height:1.8;color:var(--text)}.prose>*+*{margin-top:1.1em}.prose h2{font-size:24px;font-weight:700;letter-spacing:-.025em;margin:2.4em 0 .6em;padding-top:.2em;scroll-margin-top:30vh}.prose h3{font-size:19px;font-weight:700;letter-spacing:-.02em;margin:2em 0 .5em;scroll-margin-top:30vh}.prose h4{font-size:16px;font-weight:700;margin:1.8em 0 .4em}.prose p{margin:0 0 1.1em;color:var(--text-muted)}.prose p strong{color:var(--text);font-weight:600}.prose a{color:var(--text);border-bottom:1px solid var(--border-strong);transition:color .15s,border-color .15s}.prose a:hover{color:var(--accent);border-color:var(--accent)}.prose ul,.prose ol{padding-left:1.4em;color:var(--text-muted);margin:0 0 1.1em}.prose li{margin-bottom:.4em}.prose li::marker{color:var(--text-dim)}.prose blockquote{margin:1.4em 0;padding:4px 0 4px 18px;border-left:2px solid var(--accent);color:var(--text-muted);font-style:italic}.prose hr{border:none;border-top:1px solid var(--border);margin:2.4em 0}.prose code{font-family:var(--mono);font-size:.88em;background:var(--code-bg);padding:2px 6px;border-radius:4px;border:1px solid var(--border)}.prose pre{background:var(--code-bg);padding:18px 20px;border-radius:var(--radius-sm);border:1px solid var(--border);overflow-x:auto;max-width:100%;font-size:13.5px;line-height:1.65;margin:1.4em 0}.prose pre code{background:transparent;padding:0;border:none;border-radius:0;font-size:inherit}.prose img{border-radius:var(--radius-sm);border:1px solid var(--border);margin:1.4em 0}.prose table{width:100%;border-collapse:collapse;font-size:14px;margin:1.4em 0;display:block;overflow-x:auto;max-width:100%}.prose th,.prose td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--border)}.prose th{color:var(--text-dim);font-weight:600;font-size:12px;letter-spacing:.04em;text-transform:uppercase}footer{padding:32px 0 48px;margin-top:64px;border-top:1px solid var(--border);font-size:12.5px;color:var(--text-dim)}.footer-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}.footer-inner a:hover{color:var(--text)}@media(max-width:820px){.projects{grid-template-columns:1fr}.post-item{grid-template-columns:1fr auto}.post-item-date{grid-column:1 / -1}}@media(max-width:520px){.nav-link{padding:8px 10px;font-size:13px}}
