:root{color-scheme:dark;--bg: #131418;--panel: #191a21;--line: #353640;--fg: #eeedf0;--muted: #abaab7;--accent: #c0c2f3;--sans: "Segoe UI", system-ui, sans-serif;--mono: ui-monospace, "Cascadia Mono", Consolas, monospace;--header: 72px;--footer-height: 54px;font:16px/1.65 var(--sans)}:root:lang(ko){--sans: "Pretendard Variable", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;line-height:1.72;word-break:keep-all;overflow-wrap:break-word}*,*:before,*:after{box-sizing:border-box}html{scroll-padding-top:calc(var(--header) + 12px)}body{margin:0;color:var(--fg);background:var(--bg);padding-top:var(--header)}a{color:inherit}button,select{font:inherit}button,select{cursor:pointer}:focus-visible{outline:2px solid var(--accent);outline-offset:4px}[hidden]{display:none!important}.shell{width:min(1392px,calc(100% - 104px));margin-inline:auto}.skip{position:fixed;z-index:20;top:8px;left:8px;padding:8px 16px;color:var(--bg);background:var(--fg);transform:translateY(-150%)}.skip:focus{transform:none}.site-header{position:fixed;inset:0 0 auto;z-index:10;border-bottom:1px solid var(--line);background:#131418f5}.masthead{height:var(--header);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;width:fit-content;font:700 .79rem var(--mono);letter-spacing:.12em;text-decoration:none;white-space:nowrap}.masthead nav{display:flex;align-items:center;gap:clamp(4px,1vw,16px)}.masthead nav :is(a,[aria-disabled]){display:grid;place-items:center;text-decoration:none;color:var(--muted);padding:5px 11px;border-radius:6px;font-size:.9375rem;font-weight:530}.masthead nav [aria-disabled]{color:#797984}.masthead nav a:hover,.masthead nav a[aria-current]{color:var(--fg)}.masthead nav a[aria-current]{background:#252631;font-weight:650}.language{justify-self:end;display:flex;gap:8px;align-items:center;color:var(--muted);font:.74rem var(--mono)}.language a{text-decoration:none;padding-block:8px}.language a[aria-current]{color:var(--accent);font-weight:700}h1,h2,h3,p,figure{margin:0}h1,h2,h3{line-height:1.14;font-weight:600;letter-spacing:-.034em}:lang(ko) :is(h1,h2,h3){line-height:1.26;letter-spacing:-.027em}:lang(ko) :is(.eyebrow,.site-footer){font-family:var(--sans);letter-spacing:.025em}:lang(ko) :is(.lede,.prose){word-break:keep-all;overflow-wrap:break-word}h1{font-size:clamp(2rem,4.4vw,3.5rem)}h2{font-size:clamp(1.75rem,3.3vw,2.75rem)}h1 em{color:var(--accent);font-style:normal}.lede{color:var(--muted);max-width:42rem;font-size:clamp(1rem,1.3vw,1.0625rem)}.eyebrow{color:var(--accent);font:600 .72rem/1.55 var(--mono);letter-spacing:.12em;text-transform:uppercase}.status-dot{display:inline-block;width:7px;height:7px;margin-right:10px;border-radius:50%;background:#a7adf1;box-shadow:0 0 0 4px #a7adf11f;vertical-align:1px}.button,.text-link{display:inline-flex;align-items:center;gap:14px;width:fit-content;font-weight:650;font-size:.92rem;text-decoration:none}.button{padding:12px 16px;border-radius:4px;border:1px solid var(--line)}.primary{background:#c2c4ef;color:#171822;border-color:#c2c4ef}.primary:hover{background:#dedfff}.text-link{color:var(--fg);padding-block:8px;border-bottom:1px solid #696a85}.text-link:hover{color:var(--accent)}.site-footer{min-height:var(--footer-height);display:flex;flex-wrap:wrap;gap:4px 16px;justify-content:space-between;align-items:center;padding-block:8px;color:var(--muted);border-top:1px solid var(--line);font-size:.84rem}.contact-links{display:flex;flex-wrap:wrap;align-items:center;gap:4px 12px}.linkedin-link{display:inline-grid;place-items:center;min-width:34px;min-height:34px;border-radius:4px}.linkedin-link:hover{background:var(--panel)}.contact-links a{color:var(--fg);text-decoration:none}.contact-links a:hover{text-decoration:underline;text-underline-offset:3px}.inner-page{min-height:calc(100svh - 170px);padding-block:clamp(52px,8vw,106px)}.inner-page h1{max-width:23ch;margin:18px 0 20px;font-size:clamp(1.875rem,3.8vw,3rem)}.inner-page .lede{margin-bottom:36px}.back-link{display:inline-block;margin-top:12px;color:var(--muted);font-size:.85rem}.entry-row{display:grid;grid-template-columns:minmax(145px,.65fr) 2fr auto;align-items:baseline;gap:24px;padding-block:26px;border-block-start:1px solid var(--line);text-decoration:none}.entry-row:last-child{border-bottom:1px solid var(--line)}.entry-row:hover strong{color:var(--accent)}.entry-row strong{font-size:clamp(1.125rem,1.8vw,1.5rem);line-height:1.2;font-weight:600}.entry-row small{display:block;color:var(--muted);margin-top:5px;font-size:.95rem}.prose{max-width:72ch;border-top:1px solid var(--line);padding-top:24px}.prose h2{font-size:1.375rem;margin-top:27px}.prose p,.prose ul{margin-block:14px;color:#c7c6cf}.prose a{color:var(--accent)}@media(max-width:970px){.shell{width:calc(100% - 52px)}}@media(max-width:690px){:root{--header: 92px}.shell{width:calc(100% - 32px)}.masthead{grid-template:45px 47px / 1fr auto;gap:0}.masthead nav{grid-area:2 / 1 / 3 / 3;justify-content:space-between;gap:6px}.masthead nav :is(a,[aria-disabled]){font-size:.875rem;padding-inline:7px}.language{grid-area:1 / 2}.entry-row{grid-template-columns:1fr auto;gap:6px 15px}.entry-row .eyebrow{grid-column:1/-1}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}.home-index{width:min(1040px,calc(100% - 104px));display:grid;align-content:center;min-height:calc(100svh - var(--header) - var(--footer-height));padding-block:clamp(30px,6vh,64px)}.home-intro{margin-bottom:clamp(22px,4vh,38px)}.home-intro h1{max-width:25ch;font-size:clamp(1.85rem,4.1vw,3.5rem);font-weight:650;text-wrap:balance}.home-intro p{max-width:44rem;margin-top:8px;color:var(--muted);font-size:1rem}.home-intro .home-identity{margin:0 0 7px;color:var(--accent);font-size:.88rem;font-weight:600}.home-identity span{color:var(--muted);font-weight:500}.home-featured,.home-secondary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.home-feature{display:flex;flex-direction:column;min-width:0;border:1px solid var(--line);border-radius:8px;padding:clamp(14px,2.5vw,24px);background:var(--panel)}.lab-feature{border-color:#454861;background:#1c1e29}.home-feature-meta{display:flex;justify-content:space-between;gap:8px;color:var(--muted);font:.71rem/1.5 var(--mono)}.home-feature-meta span:first-child{color:var(--accent)}.home-feature h2{margin:10px 0 5px;font-size:clamp(1.45rem,2.75vw,2rem);font-weight:650}.home-feature h2 a{display:flex;justify-content:space-between;align-items:center;gap:8px;text-decoration:none}.home-feature h2 a span{color:var(--accent);font-size:1rem}.home-feature h2 a:hover{color:var(--accent)}.home-feature p{max-width:34ch;margin-bottom:13px;color:var(--muted);font-size:.91rem;line-height:1.5}.home-feature-link{display:flex;justify-content:space-between;align-items:center;gap:8px;min-height:44px;margin-top:auto;padding:7px 0 0;border-top:1px solid var(--line);color:var(--accent);font-size:.89rem;font-weight:600;text-decoration:none}.home-feature-link:hover{text-decoration:underline;text-underline-offset:3px}.home-secondary{margin-top:14px}.home-secondary>div{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 10px;padding:9px 2px;border-top:1px solid var(--line);color:var(--muted);font-size:.82rem}.home-secondary strong{font-size:.9rem;font-weight:600}@media(max-width:970px){.home-index{width:calc(100% - 52px)}}@media(max-width:690px){.home-index{width:calc(100% - 32px);padding-block:19px}.home-featured{grid-template-columns:minmax(0,1fr);gap:8px}.home-feature{padding:11px 13px}.home-feature h2{margin-top:5px}.home-feature p{margin-bottom:7px;max-width:none}.home-feature-link{padding-top:4px}.home-secondary{margin-top:10px}}.lab-page{padding-block:28px 74px}.lab-intro{margin:24px 0 31px}.lab-intro h1{font-size:clamp(1.875rem,3.5vw,2.75rem);margin:10px 0}.lab-provenance{margin-top:8px;color:var(--muted);font-size:.86rem}.data-note{border-left:2px solid #8e91ba;padding-left:14px;color:var(--muted);font-size:.82rem}.data-note p{margin-top:5px}.lab-workspace{display:grid;grid-template-columns:minmax(200px,252px) minmax(0,1fr);gap:18px;align-items:start}.case-rail{border:1px solid var(--line);background:#171820;position:sticky;top:calc(var(--header) + 16px)}.rail-top{display:grid;padding:16px;border-bottom:1px solid var(--line);gap:4px;font-size:.78rem;color:var(--muted)}.case-group{padding:13px 10px;border-bottom:1px solid var(--line)}.case-group:last-child{border-bottom:0}.case-group p{color:#cdccd8;font-weight:630;font-size:.8rem;padding:0 7px 6px}.case-group button{display:flex;align-items:center;justify-content:space-between;gap:8px;text-align:left;width:100%;min-height:41px;border:1px solid transparent;color:var(--muted);background:transparent;padding:6px 7px;border-radius:3px;font-size:.82rem}.case-group button:hover,.case-group button[aria-pressed=true]{background:#2a2b3c;color:var(--fg);border-color:#555775}.lab-main{border:1px solid var(--line);background:#17181e}.stage-nav{display:grid;grid-template-columns:repeat(5,1fr);border-bottom:1px solid var(--line)}.stage-nav a{padding:12px 10px;color:var(--muted);border-bottom:2px solid transparent;text-decoration:none;font-size:.82rem;text-align:center}.stage-nav a small{display:block;color:var(--accent);font:.66rem var(--mono);margin-bottom:3px}.stage-nav a:hover,.stage-nav a[aria-current]{color:var(--fg);background:#222334;border-color:#aeb1e7}.lab-stage{padding:clamp(15px,2.6vw,32px)}.stage-heading h2{font-size:clamp(1.375rem,2.5vw,1.875rem);margin:6px 0 18px}.case-context{margin:18px 0 12px;color:var(--muted);font-size:.83rem}.case-context strong{color:var(--accent)}.transcript{border-left:2px solid #646797;padding:12px 15px;background:#20212c}.transcript p+p{margin-top:8px}.transcript span{display:block;color:var(--accent);font:.7rem var(--mono);margin-bottom:4px;text-transform:uppercase}.field-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;padding:1px;background:var(--line)}.field-grid div{background:#1b1c24;padding:12px}.field-grid dt{color:var(--accent);font:.72rem/1.45 var(--mono)}.field-grid dd{margin:5px 0 0;font-size:.91rem}.case-detail h3{font-size:1.06rem;letter-spacing:-.01em}.hypothesis{border:1px dashed #737496;padding:14px}.hypothesis h3{color:var(--accent)}.hypothesis h3:not(:first-child){margin-top:13px}.hypothesis p,.stage-description{margin-top:6px;color:var(--muted)}.route-list,.verification-details{margin-top:14px}.route-list details,.verification-details{border:1px solid var(--line);padding:10px 13px;margin-bottom:7px}.route-list details p{color:var(--muted);margin:8px 0 4px}.route-list summary,.verification-details summary{cursor:pointer}.route-list summary span{color:var(--accent);font:.72rem var(--mono);margin-inline-start:10px}.metric-legend{display:flex;gap:16px;margin-top:15px}.metric-legend span:before{display:inline-block;content:"";width:.66rem;height:.66rem;margin-right:.4rem;background:#838598}.metric-legend span+span:before{background:#b9baf0}.metric{margin-top:13px}.metric-row{display:grid;grid-template-columns:1fr 45px;align-items:center;gap:8px;font:.78rem var(--mono);margin-top:5px}.metric-row meter{display:block;appearance:none;width:100%;height:12px}.metric-row meter::-webkit-meter-bar{background:#292b38;border:0;border-radius:2px}.metric-row meter::-webkit-meter-optimum-value{background:#838598}.metric-row.after meter::-webkit-meter-optimum-value{background:#b9baf0}.metric-row meter::-moz-meter-bar{background:#838598}.metric-row.after meter::-moz-meter-bar{background:#b9baf0}.stage-footer{display:flex;justify-content:space-between;gap:10px;align-items:center;border-top:1px solid var(--line);margin-top:22px;padding-top:14px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}:lang(ko) :is(.transcript span,.field-grid dt,.route-list summary span,.metric-legend){font-family:var(--sans)}.no-script{padding:14px;color:var(--muted)}@media(max-width:780px){.lab-workspace{grid-template-columns:minmax(0,1fr)}.case-rail{position:static}.case-group{display:flex;flex-wrap:wrap;align-items:center;gap:5px}.case-group p{width:100%;padding-bottom:0}.case-group button{width:auto;gap:10px;border-color:var(--line)}}@media(max-width:500px){.field-grid{grid-template-columns:minmax(0,1fr)}.stage-nav a{padding:9px 2px;font-size:.73rem}}.lab-jump{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:14px;font-size:.85rem}#simulation{scroll-margin-top:calc(var(--header) + 16px)}.source-sankey{max-width:960px;margin:32px auto 46px}.limit-chart{margin:16px 0 0;border:1px solid var(--line);background:#1c1e28}.limit-chart figcaption{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 20px;padding:10px 14px;font-size:.86rem}.flow-scroll{overflow-x:auto}.limit-chart img{display:block;width:100%;height:auto;min-width:620px;max-width:calc((100svh - 245px)*1.79);margin-inline:auto}.simulation-heading{display:flex;align-items:end;justify-content:space-between;flex-wrap:wrap;gap:14px;margin-bottom:18px;padding-top:20px;border-top:1px solid var(--line)}.simulation-heading h2{margin-top:5px;font-size:clamp(1.25rem,2.5vw,1.8rem)}:root.articles-theme{color-scheme:light;--bg: #fdfdfc;--panel: #f5f5f2;--line: #e0e1dc;--fg: #202124;--muted: #5c6068;--accent: #454b84}.articles-theme .site-header{background:#fdfdfcf5}.articles-theme .masthead nav a[aria-current]{background:#ececf2}.articles-theme .masthead nav [aria-disabled]{color:#767983}.articles-theme .primary{background:#454b84;border-color:#454b84;color:#fff}.articles-theme .primary:hover{background:#363c6f}.articles-theme .reaction-button[aria-pressed=true]{border-color:var(--accent)}.shell.articles-index{width:min(960px,calc(100% - 52px))}.articles-index h1{margin-top:0;margin-bottom:24px}.articles-list{list-style:none;padding:0;margin:0;border-bottom:1px solid var(--line)}.articles-list li{border-top:1px solid var(--line)}.articles-list a{display:block;padding-block:20px;text-decoration:none}.articles-list a:hover h2{color:var(--accent)}.article-row-meta{display:flex;flex-wrap:wrap;gap:2px 10px;color:var(--muted);font-size:.78rem}.articles-list h2{margin:5px 0 6px;font-size:clamp(1.15rem,2.7vw,1.47rem)}.article-preview,.series-description{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.article-preview{color:var(--muted);font-size:.94rem;line-height:1.6}.article-toolbar{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:10px 16px}.article-toc{min-width:0;max-width:100%}.article-toc summary{color:var(--accent);cursor:pointer;font-size:.86rem;font-weight:600}.article-toc summary span{margin-left:3px;color:var(--muted);font-weight:400}.article-toc[open]{flex-basis:100%}.article-toc ol{margin:8px 0 1px;padding:8px 13px 8px 32px;border:1px solid var(--line);border-radius:6px;background:var(--panel)}.article-toc a{display:block;padding:5px 2px;text-decoration:none;font-size:.88rem}.article-toc a:hover{text-decoration:underline}.article-toc a[aria-current]{color:var(--accent);font-weight:650}.article-pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:40px;padding-top:12px;border-top:1px solid var(--line)}.article-pager a{display:grid;align-content:start;gap:4px;min-height:44px;padding-block:7px;text-decoration:none}.article-pager a>span{color:var(--muted);font-size:.79rem}.article-pager strong{color:var(--accent);font-size:.92rem;line-height:1.5}.article-pager a:hover strong{text-decoration:underline}.article-pager .article-next{text-align:right}.writing-article{width:min(720px,calc(100% - 52px));padding-block:clamp(42px,7vw,96px) 70px}.writing-article .article-nav{display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-size:.86rem;text-decoration:none}.writing-article .article-nav:hover{color:var(--fg)}.writing-article h1{max-width:none;margin:16px 0 12px;font-size:clamp(1.95rem,4.15vw,3.5rem);line-height:1.16}.article-meta{display:flex;flex-wrap:wrap;gap:3px 12px;margin-top:20px;color:var(--muted);font-size:.82rem}.article-meta time{white-space:nowrap}.writing-article .prose{max-width:none;border-top:0;padding-top:9px;color:var(--fg);font-size:clamp(1rem,1.45vw,1.0625rem);line-height:1.76}.writing-article .prose :is(p,ul,ol){margin-block:14px;color:#33353b}.writing-article .prose h2{margin-top:38px;font-size:clamp(1.25rem,2.4vw,1.58rem);line-height:1.35}.writing-article .prose h2+p{margin-top:10px}.article-engagement{margin-top:48px;padding-top:22px;border-top:1px solid var(--line)}.article-engagement h2{margin:25px 0 9px;font-size:1.35rem;letter-spacing:-.02em}.reaction-button{display:inline-flex;align-items:center;gap:8px;min-height:42px;padding:7px 12px;border:1px solid var(--line);border-radius:6px;background:transparent;color:var(--fg);font-size:.9rem}.reaction-button[aria-pressed=true]{color:var(--accent);border-color:#7274a3}.reaction-button[aria-pressed=true] svg path{fill:currentColor}.reaction-button:disabled{opacity:.65;cursor:default}.engagement-status,.comment-empty{color:var(--muted);font-size:.87rem}.engagement-status:empty{margin:0}.comment-form{display:grid;gap:11px;margin-block:13px 20px}.comment-form label{display:grid;gap:5px;color:var(--muted);font-size:.84rem}.comment-form :is(input,textarea){width:100%;border:1px solid var(--line);border-radius:5px;padding:8px 10px;background:var(--panel);color:var(--fg);font:inherit;font-size:1rem}.comment-form input{max-width:18rem}.comment-form textarea{resize:vertical}.comment-form-footer{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;color:var(--muted)}.comment-form-footer button{padding:8px 12px;min-height:42px}.comment-list{list-style:none;margin:0;padding:0}.comment-list li{border-top:1px solid var(--line);padding-block:13px;overflow-wrap:anywhere}.comment-list li div{display:flex;flex-wrap:wrap;gap:5px 12px;align-items:baseline}.comment-list time{color:var(--muted);font-size:.77rem}.comment-list li p{white-space:pre-wrap}.comment-list .comment-actions{gap:10px;margin-top:5px}.comment-actions button,.comment-editor button{border:1px solid var(--line);border-radius:4px;padding:4px 9px;color:var(--muted);background:transparent;font-size:.83rem}.comment-actions button:hover,.comment-editor button:hover{color:var(--fg)}.comment-editor{margin-top:8px}.comment-editor label{display:grid;gap:5px;color:var(--muted);font-size:.85rem}.comment-editor textarea{width:100%;margin-bottom:7px;padding:7px 9px;resize:vertical;border:1px solid var(--line);border-radius:4px;color:var(--fg);background:var(--panel);font:inherit}@media(max-width:690px){.writing-article,.shell.articles-index{width:calc(100% - 40px)}}.articles-index>.back-link{display:inline-block;margin-bottom:16px}.articles-index>.series-subtitle{margin:-12px 0 25px}.series-list .series-subtitle{margin:0}.series-subtitle{font-weight:550}.series-description{margin:8px 0;color:var(--muted)}.series-list small{color:var(--muted);font-size:.78rem}
