:root{--font-sans: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--bg: #f7f8f6;--surface: #ffffff;--surface-soft: #f0f2f0;--text: #171a1c;--text-dim: #5b6461;--text-faint: #8b928f;--border: #e1e5e2;--accent: #0f6656;--accent-strong: #0b4f43;--accent-soft: #e4f2ee;--accent-contrast: #ffffff;--danger: #b23b3b;--danger-border: #c86a6a;--shadow: 0 1px 2px rgba(15, 25, 20, .04), 0 8px 24px -12px rgba(15, 25, 20, .1)}[data-theme=dark]{--bg: #10140f;--surface: #171c17;--surface-soft: #1d231d;--text: #edf1ec;--text-dim: #98a69f;--text-faint: #69766f;--border: #262e27;--accent: #4fd9be;--accent-strong: #7be6ce;--accent-soft: rgba(79, 217, 190, .14);--accent-contrast: #0c1310;--danger: #e08080;--danger-border: #8a4848;--shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 28px -12px rgba(0, 0, 0, .5);color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;line-height:1.6;transition:background .15s ease,color .15s ease}h1,h2,h3{font-family:var(--font-sans);letter-spacing:-.02em;text-wrap:balance;margin:0;color:var(--text)}a{color:inherit}.site{min-height:100%}.site-main{max-width:840px;margin:0 auto;padding:0 clamp(20px,5vw,56px) 4rem}.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.9rem clamp(20px,5vw,56px);background:color-mix(in srgb,var(--bg) 86%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);margin-bottom:clamp(32px,6vw,56px)}.brand{font-family:var(--font-sans);font-size:.86rem;font-weight:500;text-decoration:none;color:var(--text)}.header-actions{display:flex;align-items:center;gap:.6rem}.theme-toggle,.settings-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;border:1px solid var(--border);background:none;color:var(--text-dim);cursor:pointer}.theme-toggle{width:2rem;height:2rem;padding:0}.theme-toggle:hover,.settings-btn:hover{border-color:var(--accent);color:var(--accent-strong)}.eyebrow{font-family:var(--font-sans);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);display:flex;align-items:center;gap:.55em;margin:0 0 .6rem}.eyebrow:before{content:"";width:.5rem;height:.5rem;border-radius:50%;background:var(--accent);flex:none}.section-title{font-size:1.5rem;font-weight:700;margin-bottom:1.4rem}.status{color:var(--text-dim);padding:2rem 0}.status-error{color:var(--danger)}.portfolio-type{display:inline-block;font-family:var(--font-sans);font-size:.7rem;letter-spacing:.03em;color:var(--accent-strong);background:var(--accent-soft);padding:.25rem .6rem;border-radius:20px}.portfolio-section{padding:clamp(28px,5vw,44px) 0;border-top:1px solid var(--border)}.portfolio-section:first-child{border-top:none}.project-grid{list-style:none;margin:0;padding:0;display:grid;gap:1.2rem}.project-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.5rem 1.6rem;box-shadow:var(--shadow);transition:border-color .15s ease}.project-card:hover{border-color:var(--accent)}.project-card a{text-decoration:none;color:inherit;display:block}.project-card h2,.project-card h3{font-size:1.16rem;font-weight:700;margin:.5rem 0 .4rem}.project-card p{margin:0;color:var(--text-dim);font-size:.92rem}.portfolio-period{display:block;margin-top:.6rem;font-family:var(--font-sans);font-size:.76rem;color:var(--text-faint)}.timeline{display:flex;flex-direction:column}.tl-item{display:grid;grid-template-columns:130px 1fr;gap:1.4rem;padding:1.15rem 0;border-top:1px solid var(--border)}.tl-item:first-child{border-top:none}.tl-item a{text-decoration:none;color:inherit;display:contents}.tl-date{font-family:var(--font-sans);font-size:.78rem;color:var(--text-faint);padding-top:.15rem}.tl-body h3{font-size:1.02rem;font-weight:600;margin-bottom:.4rem}.tl-body p{margin:0;color:var(--text-dim);font-size:.92rem}.back-link{display:inline-block;margin-bottom:1rem;color:var(--text-dim);text-decoration:none;font-family:var(--font-sans);font-size:.82rem}.portfolio-detail h1{margin:.5rem 0 .3rem;font-size:clamp(1.6rem,4vw,2.1rem)}.portfolio-tech{margin-top:.6rem;display:flex;flex-wrap:wrap;gap:.4rem}.portfolio-tech .tag{font-family:var(--font-sans);font-size:.72rem;padding:.3rem .55rem;border-radius:5px;background:var(--accent-soft);color:var(--accent-strong)}.portfolio-summary{font-size:1.02rem;color:var(--text-dim);margin:1.2rem 0}.portfolio-body{line-height:1.75;white-space:pre-wrap;color:var(--text)}.portfolio-link{display:inline-block;margin-top:1.6rem;color:var(--accent-strong);text-decoration:none;font-weight:600}.admin-toggle{position:relative}.settings-btn{padding:.35rem .9rem;font-family:var(--font-sans);font-size:.72rem;letter-spacing:.04em}.admin-panel{position:absolute;right:0;top:calc(100% + .5rem);background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:1rem;min-width:220px;box-shadow:var(--shadow);z-index:10}.admin-panel form{display:flex;flex-direction:column;gap:.5rem}.admin-panel label{font-family:var(--font-sans);font-size:.72rem;letter-spacing:.04em;color:var(--text-faint);text-transform:uppercase}.admin-panel input{padding:.4rem .55rem;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:var(--text)}button,.btn-primary,.btn-secondary,.btn-danger{font-family:var(--font-sans);font-size:.78rem;letter-spacing:.02em;border-radius:6px;padding:.5rem .95rem;cursor:pointer;border:1px solid transparent;text-decoration:none;display:inline-block}.btn-primary,.admin-panel button[type=submit]{background:var(--accent);color:var(--accent-contrast);border:none}.btn-secondary{background:none;border:1px solid var(--border);color:var(--text)}.btn-secondary:hover{border-color:var(--accent);color:var(--accent-strong)}.btn-danger{background:none;border:1px solid var(--danger-border);color:var(--danger)}.form-error{color:var(--danger);font-size:.82rem;margin:0}.list-toolbar{display:flex;justify-content:flex-end;margin-bottom:1rem}.detail-toolbar{display:flex;gap:.5rem;margin-bottom:1rem}.portfolio-form{display:flex;flex-direction:column;gap:1rem;max-width:560px;padding:clamp(28px,5vw,44px) 0}.portfolio-form label,.portfolio-form .form-field{display:flex;flex-direction:column;gap:.35rem;font-family:var(--font-sans);font-size:.72rem;letter-spacing:.04em;text-transform:uppercase;color:var(--text-faint)}.portfolio-form input,.portfolio-form select,.portfolio-form textarea{font-family:var(--font-sans);font-size:.95rem;padding:.55rem .65rem;border:1px solid var(--border);border-radius:6px;background:var(--surface);color:var(--text)}.form-actions{display:flex;justify-content:flex-end}@media(max-width:560px){.tl-item{grid-template-columns:1fr;gap:.3rem}.tl-date{padding-top:0}}.site-header{flex-wrap:wrap;row-gap:.6rem}.tab-nav{display:flex;gap:clamp(.9rem,2vw,1.6rem);flex-wrap:wrap;order:3;flex-basis:100%}@media(min-width:760px){.tab-nav{order:0;flex-basis:auto;flex:1;justify-content:center}}.tab-link{font-family:var(--font-sans);font-size:.72rem;letter-spacing:.04em;text-transform:uppercase;text-decoration:none;color:var(--text-dim);padding:.3rem 0;border-bottom:1px solid transparent;transition:color .15s ease,border-color .15s ease}.tab-link:hover{color:var(--accent-strong)}.tab-link.active{color:var(--accent-strong);border-color:var(--accent)}.hero{padding:clamp(32px,7vw,64px) 0 clamp(28px,5vw,48px)}.hero-role{font-family:var(--font-sans);font-size:.86rem;color:var(--accent-strong);letter-spacing:.04em;margin:0 0 .9rem}.hero h1{font-size:clamp(2.2rem,6vw,3.2rem);font-weight:800;line-height:1.05}.hero .tagline{margin-top:1.1rem;max-width:56ch;font-size:1.04rem;color:var(--text-dim)}.chip-row{margin-top:1.6rem;display:flex;flex-wrap:wrap;gap:.5rem}.chip{font-family:var(--font-sans);font-size:.74rem;letter-spacing:.03em;padding:.4rem .7rem;border:1px solid var(--border);border-radius:5px;color:var(--text-dim);background:var(--surface)}.lede{color:var(--text-dim);max-width:62ch;margin:0}.skill-groups{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.1rem}.skill-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:1.15rem 1.25rem;box-shadow:var(--shadow)}.skill-card h3{font-size:.98rem;font-weight:600;margin-bottom:.75rem;display:flex;align-items:center;gap:.5em}.skill-card .dot{width:.45em;height:.45em;border-radius:50%;background:var(--accent);flex:none}.tag-row{display:flex;flex-wrap:wrap;gap:.4rem}.tag{font-family:var(--font-sans);font-size:.72rem;padding:.3rem .55rem;border-radius:5px;background:var(--accent-soft);color:var(--accent-strong)}.cert-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:1rem}.cert-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:1.1rem 1.25rem;display:flex;align-items:center;gap:.9rem;box-shadow:var(--shadow);text-decoration:none;color:inherit;transition:border-color .15s ease,transform .15s ease}.cert-card:hover{border-color:var(--accent);transform:translateY(-1px)}.cert-card .mark{width:2.2rem;height:2.2rem;border-radius:8px;flex:none;background:var(--accent-soft);color:var(--accent-strong);display:flex;align-items:center;justify-content:center;font-family:var(--font-sans);font-weight:600;font-size:.82rem}.cert-name{font-weight:600;font-size:.96rem}.cert-issuer{font-size:.8rem;color:var(--text-faint)}.cert-detail-mark{width:2.6rem;height:2.6rem;border-radius:8px;display:flex;align-items:center;justify-content:center;background:var(--accent-soft);color:var(--accent-strong);font-family:var(--font-sans);font-weight:600;font-size:.9rem}.cert-file-box{margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid var(--border)}.cert-pdf-viewer{width:100%;height:70vh;min-height:420px;border:1px solid var(--border);border-radius:8px;background:var(--surface)}.cert-file-actions{display:flex;gap:.5rem;margin-top:.75rem}.cert-upload-row{display:flex;align-items:center;gap:.75rem;margin-top:1rem;font-family:var(--font-sans);font-size:.82rem}.contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.contact-grid .span-2{grid-column:1 / -1}.contact-item{border:1px dashed var(--border);border-radius:10px;padding:1.1rem 1.25rem;background:var(--surface)}.contact-item.solid{border-style:solid}.contact-item .label{font-family:var(--font-sans);font-size:.7rem;letter-spacing:.04em;text-transform:uppercase;color:var(--text-faint);margin-bottom:.4rem}.contact-item .value{color:var(--text-dim);font-size:.92rem}.contact-item .value.mono{font-family:var(--font-sans);color:var(--text);font-size:.88rem}.contact-item .value a{text-decoration:none;color:var(--accent-strong)}.contact-note{margin-top:1.1rem;font-size:.82rem;color:var(--text-faint)}@media(max-width:560px){.contact-grid{grid-template-columns:1fr}}#about,#skills,#portfolio,#certifications,#archive,#contact{scroll-margin-top:96px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-bottom:1.4rem}.section-head .section-title{margin-bottom:0}.post-list{list-style:none;margin:0;padding:0}.post-row{border-top:1px solid var(--border)}.post-row:last-child{border-bottom:1px solid var(--border)}.post-row a{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;padding:.9rem .1rem;text-decoration:none;color:inherit}.post-row:hover a{color:var(--accent-strong)}.post-title{font-weight:600}.post-meta{font-family:var(--font-sans);font-size:.78rem;color:var(--text-faint);white-space:nowrap}.pagination{display:flex;align-items:center;justify-content:center;gap:1rem;margin-top:1.6rem}.page-indicator{font-family:var(--font-sans);font-size:.82rem;color:var(--text-dim)}.markdown-body{white-space:normal}.markdown-body h1,.markdown-body h2,.markdown-body h3{margin:1.3rem 0 .6rem;line-height:1.3;color:var(--text)}.markdown-body h1{font-size:1.45rem}.markdown-body h2{font-size:1.22rem}.markdown-body h3{font-size:1.06rem}.markdown-body p{margin:.75rem 0;line-height:1.75}.markdown-body ul,.markdown-body ol{margin:.6rem 0;padding-left:1.4rem}.markdown-body li{margin:.3rem 0;line-height:1.6}.markdown-body blockquote{margin:1rem 0;padding:.3rem 1rem;border-left:3px solid var(--border);color:var(--text-dim)}.markdown-body code{font-family:var(--font-mono);font-size:.86em;background:var(--accent-soft);padding:.12rem .35rem;border-radius:4px}.markdown-body pre{margin:1rem 0;padding:.9rem 1rem;background:var(--surface);border:1px solid var(--border);border-radius:8px;overflow-x:auto}.markdown-body pre code{background:none;padding:0}.markdown-body a{color:var(--accent-strong)}.markdown-body table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.92rem}.markdown-body th,.markdown-body td{border:1px solid var(--border);padding:.5rem .7rem;text-align:left}.markdown-body hr{border:none;border-top:1px solid var(--border);margin:1.5rem 0}.markdown-body>:first-child{margin-top:0}.mle-cm{border:1px solid var(--border);border-radius:6px;background:var(--surface);overflow:hidden;text-transform:none}.mle-cm .cm-editor{height:100%}.mle-cm .cm-scroller{font-family:var(--font-sans);font-size:.92rem;line-height:1.65;padding:.75rem .9rem;min-height:420px;color:var(--text)}.mle-cm .cm-content{caret-color:var(--accent-strong)}.mle-cm .cm-cursor{border-left-color:var(--accent-strong)}.mle-cm .cm-selectionBackground,.mle-cm .cm-content ::selection{background:var(--accent-soft)!important}.mle-cm .cm-placeholder{color:var(--text-faint);font-style:normal}.mle-cm .cm-gutters{display:none}.cm-heading{font-weight:700;line-height:1.3}.cm-heading-1{font-size:1.4rem}.cm-heading-2{font-size:1.22rem}.cm-heading-3{font-size:1.08rem}.cm-heading-4,.cm-heading-5,.cm-heading-6{font-size:.98rem;color:var(--text-dim)}.cm-strong{font-weight:700}.cm-em{font-style:italic}.cm-inline-code,.cm-code-text{font-family:var(--font-mono);font-size:.88em;background:var(--accent-soft);border-radius:4px;padding:.03rem .3rem}.cm-quote-mark{color:var(--text-faint)}.cm-quote-text{color:var(--text-dim);font-style:italic}.cm-hr{color:transparent;border-bottom:1px solid var(--border)}.cm-link-text{color:var(--accent-strong);text-decoration:underline}.cm-fence-mark,.cm-mark{color:var(--text-faint)}.mle-shortcuts-hint{margin:.4rem 0 0;font-family:var(--font-sans);font-size:.72rem;letter-spacing:.01em;text-transform:none;color:var(--text-faint)}.career-info{margin:24px 0 0;border-top:1px solid var(--border, rgba(128, 128, 128, .3))}.career-row{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--border, rgba(128, 128, 128, .3))}.career-row dt{font-weight:600;opacity:.7}.career-row dd{margin:0;line-height:1.75;white-space:pre-wrap}@media(max-width:560px){.career-row{grid-template-columns:1fr;gap:4px}}.cert-planned{margin-top:4px;font-size:.8rem;opacity:.7}.portfolio-form .checkbox-label{flex-direction:row;align-items:center;gap:8px;text-transform:none}.archive-layout{--archive-gutter: clamp(20px, 5vw, 56px);display:grid;grid-template-columns:minmax(240px,320px) minmax(0,820px);justify-content:start;gap:clamp(28px,4vw,56px);align-items:start;width:calc(100vw - var(--archive-gutter) * 2);margin-left:calc(50% - 50vw + var(--archive-gutter))}.archive-content{min-width:0}.archive-page,.archive-article{padding:clamp(28px,5vw,44px) 0}.archive-sidebar{position:sticky;top:88px;max-height:calc(100vh - 104px);overflow-y:auto;padding:clamp(28px,5vw,44px) 4px 24px 0;font-size:.9rem}.archive-sidebar-toggle{display:none}.archive-tree a{color:var(--text-dim);text-decoration:none}.archive-tree a:hover{color:var(--accent-strong)}.archive-tree a.active{color:var(--accent-strong);font-weight:600}.tree-all{display:block;margin-bottom:.8rem;font-weight:600}.tree-node>summary{display:flex;align-items:center;justify-content:space-between;gap:.5rem;cursor:pointer;list-style:none}.tree-node>summary::-webkit-details-marker{display:none}.tree-node>summary:before{content:"▸";color:var(--text-faint);font-size:.7rem;transition:transform .15s}.tree-node[open]>summary:before{transform:rotate(90deg)}.tree-node>summary a{flex:1}.tree-depth-0{border-top:1px solid var(--border);padding:.55rem 0}.tree-depth-0>summary{font-weight:600}.tree-depth-0>summary a{color:var(--text)}.tree-depth-1{margin:.4rem 0 0 .8rem}.tree-depth-1>summary{font-size:.86rem;font-weight:600}.tree-depth-2{margin:.35rem 0 0 1.4rem}.tree-label{font-size:.8rem;font-weight:600}.tree-count{font-family:var(--font-sans);font-size:.72rem;color:var(--text-faint)}.tree-posts{list-style:none;margin:.3rem 0 0 .9rem;padding:0}.tree-posts li a{display:block;padding:.22rem 0 .22rem .6rem;border-left:2px solid var(--border);line-height:1.4}.tree-posts li a.active{border-left-color:var(--accent)}.archive-breadcrumb{font-family:var(--font-sans);font-size:.78rem;color:var(--text-faint);margin:0 0 .6rem}.archive-breadcrumb a,.archive-page .eyebrow a{color:inherit;text-decoration:none}.archive-breadcrumb a:hover,.archive-page .eyebrow a:hover{color:var(--accent-strong)}.post-cat{display:inline-block;margin-right:.5rem;padding:.05rem .45rem;border:1px solid var(--border);border-radius:999px;font-size:.72rem;font-weight:500;color:var(--text-dim);vertical-align:.1em}.archive-pager{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:3rem}.pager-link{display:flex;flex-direction:column;gap:.25rem;padding:.9rem 1rem;border:1px solid var(--border);border-radius:10px;text-decoration:none;color:inherit}.pager-link:hover{border-color:var(--accent)}.pager-next{text-align:right}.pager-label{font-family:var(--font-sans);font-size:.72rem;color:var(--text-faint)}.pager-title{font-weight:600}.portfolio-form .form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.portfolio-form .form-row-3{grid-template-columns:1fr 1fr 1fr}@media(max-width:860px){.archive-layout{display:block;width:auto;margin-left:0}.archive-sidebar{position:static;max-height:none;overflow:visible;padding:20px 0 0}.archive-sidebar-toggle{display:inline-block}.archive-tree{display:none;margin-top:.8rem}.archive-sidebar.is-open .archive-tree{display:block}.archive-pager,.portfolio-form .form-row,.portfolio-form .form-row-3{grid-template-columns:1fr}}.header-left{display:flex;align-items:center;gap:.9rem}.site-switch{display:inline-flex;gap:2px;padding:3px;border:1px solid var(--border);border-radius:999px}.site-switch a{font-family:var(--font-sans);font-size:.74rem;letter-spacing:.03em;text-transform:uppercase;padding:.32rem .85rem;border-radius:999px;color:var(--text-dim);text-decoration:none;transition:background .15s ease,color .15s ease}.site-switch a:hover{color:var(--accent-strong)}.site-switch a.active{background:var(--accent-soft);color:var(--accent-strong);font-weight:600}.hero-cta{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.4rem}.markdown-body img{display:block;max-width:100%;height:auto;margin:1rem 0;border-radius:8px}.mle-wrap{display:flex;flex-direction:column;gap:.5rem;text-transform:none}.mle-toolbar{display:flex;align-items:center;gap:.7rem;flex-wrap:wrap}.mle-toolbar-hint{font-size:.78rem;color:var(--text-faint);letter-spacing:0}.cm-image-widget{display:block}.cm-image-widget img{display:block;max-width:100%;max-height:480px;margin:.4rem 0;border-radius:8px}.cm-image-uploading{font-style:italic;color:var(--text-faint)}.mermaid-block,.cm-mermaid-widget{display:flex;justify-content:center;overflow-x:auto;margin:1rem 0;padding:1rem;border:1px solid var(--border);border-radius:8px;background:var(--surface)}.mermaid-block svg,.cm-mermaid-widget svg{max-width:100%;height:auto}.mermaid-loading,.cm-mermaid-widget:not(:has(svg)){color:var(--text-faint);font-size:.85rem}.mermaid-error,.cm-mermaid-error{color:var(--danger);font-size:.85rem}.cm-mermaid-widget{cursor:text}.cm-table-widget{margin:.4rem 0;overflow-x:auto;cursor:text}.cm-table-widget table{margin:0}.md-spacer{height:1.2em}
