@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+KR:wght@400;500;600;700;800&display=swap');
:root{--bg:#f8f9fb;--white:#fff;--ink:#202936;--muted:#82909e;--line:#e8ecf1;--accent:#557568;--green-bg:#edf3ef;--sidebar:258px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px 'DM Sans','Noto Sans KR',sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #7aa58a;outline-offset:4px}.sidebar{width:var(--sidebar);position:fixed;inset:0 auto 0 0;background:white;border-right:1px solid var(--line);padding:33px 20px 20px;display:flex;flex-direction:column;z-index:30;overflow:auto}.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:-.7px;margin-bottom:45px}.brand-mark{background:#283b34;color:white;border-radius:10px;width:37px;height:37px;font-size:28px;display:flex;justify-content:center;align-items:center;letter-spacing:-3px;padding-right:3px}.brand-mark span{color:#a7c9a5}.brand small{display:block;font-size:8px;letter-spacing:1.7px;color:var(--muted);font-weight:500;margin-top:5px}.side-label{font-size:9px;font-weight:700;letter-spacing:1.6px;color:#95a0aa;margin:0 12px 12px}.topics-label{margin-top:28px}.nav-link,.upcoming{display:flex;align-items:center;gap:11px;padding:12px;border-radius:7px;font-size:12px;margin-bottom:3px}.nav-link>span:first-child,.upcoming>span{width:16px;font-size:17px}.nav-link.active{background:var(--green-bg);color:#426554;font-weight:600}.nav-count{margin-left:auto;font-size:10px;color:#7d9083;background:#e5eee7;border-radius:4px;padding:2px 5px}.upcoming{color:#99a2ab}.upcoming small{margin-left:auto;font-size:9px;color:#9ca6af}.upcoming+.side-label{margin-top:34px}#quick-links{display:grid;gap:3px}#quick-links a{font-size:11px;padding:9px 12px;color:#74808d;line-height:1.6}#quick-links a:before{content:'·';padding-right:10px;color:#a4afa9}#quick-links a:hover,#quick-links a.selected{color:var(--accent);background:#f5f8f5;border-radius:6px}.sidebar-bottom{margin-top:auto;padding-top:38px;display:flex;align-items:center;gap:10px;font-size:12px}.avatar{display:grid;place-items:center;width:32px;height:32px;background:#eeeae2;border-radius:50%;color:#897659;font-weight:600}.sidebar-bottom small{display:block;margin-top:4px;font-size:9px;color:var(--muted)}.sidebar-bottom>a{margin-left:auto;color:var(--muted)}.main-shell{margin-left:var(--sidebar)}.topbar{height:73px;padding:0 46px;border-bottom:1px solid var(--line);background:#ffffffb8;display:flex;align-items:center;justify-content:space-between}.breadcrumb{color:#929ba5;font-size:11px}.breadcrumb span{margin:0 14px;color:#c5cbd1}.breadcrumb b{font-weight:500;color:#5d6874}.github-link{font-size:11px;color:#65707c}#menu-toggle{display:none}main{max-width:1300px;padding:46px 48px 56px;margin:auto;min-height:calc(100vh - 135px);outline:none}.eyebrow{color:#718f7d;font-size:10px;letter-spacing:2px;font-weight:700;display:flex;align-items:center;gap:7px}.eyebrow:before{content:'';width:6px;height:6px;background:#87a78a;border-radius:50%}.intro-row{display:flex;justify-content:space-between;align-items:center}.intro h1{font-size:34px;letter-spacing:-1.5px;margin:13px 0 12px;font-weight:700}.intro p{color:#8b939f;font-size:12px;line-height:1.9;margin:0}.intro-date{font-size:10px;color:#929eaa;align-self:flex-end;padding-bottom:4px}.search-wrap{position:relative;margin:28px 0 26px}.search-icon{position:absolute;left:18px;top:15px;font-size:22px;color:#92a094;line-height:22px}.search-wrap input{width:100%;height:54px;padding:0 95px 0 50px;background:white;border:1px solid #e0e6e2;border-radius:9px;color:var(--ink);box-shadow:0 2px 3px #1a342803;font-size:12px}.search-wrap input::placeholder{color:#9fa7b0}.search-wrap kbd{position:absolute;right:17px;top:17px;font:10px 'DM Sans',sans-serif;color:#97a09c;border:1px solid #e5e9e6;border-radius:4px;padding:3px 6px}.hero{border:1px solid #dfe9e1;border-radius:12px;background:#edf3ee;display:flex;align-items:center;justify-content:space-between;padding:29px 32px;min-height:210px;overflow:hidden;position:relative}.hero-copy{position:relative;z-index:2}.hero .eyebrow{font-size:9px;letter-spacing:1.7px}.hero .eyebrow:before{display:none}.hero h2{font-size:24px;letter-spacing:-1px;font-weight:600;margin:12px 0 10px}.hero p{font-size:11px;color:#819086;line-height:1.9;margin:0}.hero-action{display:inline-flex;gap:25px;margin-top:20px;color:#4e6a58;font-size:11px;font-weight:600}.hero-art{width:260px;height:150px;position:relative;flex-shrink:0}.art-orbit{position:absolute;border:1px solid #bfd0c24f;border-radius:50%;width:180px;height:180px;left:50px;top:-15px}.art-orbit:nth-child(2){width:230px;height:230px;top:-40px;left:25px}.art-card{position:absolute;background:#ffffffed;border:1px solid #d5e1d6;border-radius:10px;padding:13px 16px;box-shadow:0 9px 25px #526d5810;width:133px;font-size:10px;color:#809183;transform:rotate(-9deg);left:25px;top:17px}.art-card strong{font-size:18px;display:block;color:#617b68;margin:6px 0 10px}.art-card i{display:block;height:4px;background:#e4ece5;border-radius:5px;margin:6px 0}.art-card:last-child{left:113px;top:49px;transform:rotate(9deg);background:#f9fcf9}.section-head{display:flex;align-items:center;justify-content:space-between;margin:33px 0 17px}.section-head h2{font-size:15px;letter-spacing:-.4px;margin:0}.section-head span{font-size:10px;color:#9ba4ad}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.topic{border:1px solid var(--line);border-radius:9px;background:white;padding:16px 14px;min-height:125px}.topic.available{border-color:#cbdccf;box-shadow:0 3px 8px #273c2c04}.topic-icon{font-size:18px;display:grid;place-items:center;width:32px;height:32px;border-radius:8px;background:#f3f5f7;color:#a1aab4;margin-bottom:13px}.available .topic-icon{background:#edf3ee;color:#73907a}.topic b{font-size:11px;font-weight:600;display:block;white-space:nowrap}.topic small{font-size:9px;color:#a3acb5;display:block;margin-top:8px}.topic:not(.available){color:#98a1ac;background:#fcfcfd}.topic.available small{color:#77927d}.filters{display:flex;align-items:center;gap:6px;margin-bottom:17px}.chip{border:1px solid transparent;background:transparent;padding:6px 13px;border-radius:6px;color:#8b96a1;font-size:10px}.chip.active{background:#e9efeb;color:#4d6d56;border-color:#e0e8e2}.result-count{margin-left:auto;color:#9ba4ad;font-size:10px}.document-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.doc-card{display:flex;flex-direction:column;min-height:190px;padding:20px;background:white;border:1px solid var(--line);border-radius:9px;transition:transform .15s,border-color .15s,box-shadow .15s}.doc-card:hover{transform:translateY(-3px);border-color:#bed0c2;box-shadow:0 7px 20px #304e3410}.doc-top{display:flex;align-items:center;gap:7px;color:#90a195;font-size:9px}.doc-icon{font-size:15px;margin-right:2px}.level{margin-left:auto;font-size:8px;border-radius:4px;padding:3px 6px;background:#f2f5f3;color:#84958a}.doc-card h3{font-size:14px;letter-spacing:-.4px;line-height:1.6;margin:15px 0 9px}.doc-card p{font-size:10px;line-height:1.9;color:#939da7;margin:0 0 17px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.doc-meta{border-top:1px solid #f1f3f5;margin-top:auto;padding-top:11px;font-size:9px;color:#a3adb7;display:flex;justify-content:space-between}.doc-meta span:last-child{color:#779780}.empty{grid-column:1/-1;padding:50px;text-align:center;color:var(--muted);background:white;border:1px dashed var(--line);border-radius:10px}.reading-layout{display:grid;grid-template-columns:minmax(0,1fr) 175px;gap:42px}.back-link{color:#8a9790;font-size:11px;display:inline-block;margin-bottom:25px}.article-header h1{font-size:32px;letter-spacing:-1.2px;line-height:1.5;margin:12px 0}.article-meta{display:flex;flex-wrap:wrap;gap:14px;color:#9aa3ad;font-size:10px;padding-bottom:25px;border-bottom:1px solid var(--line);margin-bottom:25px}.article{font-size:13px;line-height:2;color:#52606e;overflow-wrap:anywhere}.article h2{font-size:20px;color:var(--ink);margin:35px 0 15px;scroll-margin-top:20px}.article a{color:#52775f;text-decoration:underline;text-underline-offset:3px}.article blockquote{margin:0 0 28px;border:1px solid #dce7de;background:#eff5f0;border-radius:10px;padding:20px 24px;color:#54715e;font-size:12px;line-height:1.95}.article blockquote p{margin:0 0 8px}.article blockquote p:last-child{margin-bottom:0}.article blockquote strong{font-size:11px;letter-spacing:1px}.article table{border-collapse:collapse;width:100%;margin:20px 0;background:white;font-size:11px;display:block;overflow:auto}.article th,.article td{text-align:left;padding:12px 15px;border:1px solid var(--line);min-width:110px}.article th{background:#f0f4f1;color:#627868;font-weight:500}.article code{background:#eef1f3;border-radius:4px;font-size:11px;padding:3px 5px;color:#65767c}.article .katex-display{background:white;padding:20px 10px;border:1px solid var(--line);border-radius:8px;overflow-x:auto;overflow-y:hidden;font-size:.95em}.toc{position:sticky;top:35px;align-self:start;margin-top:50px;border-left:1px solid var(--line);padding-left:20px;font-size:10px;color:#97a1ac}.toc strong{display:block;color:#7f8c85;margin-bottom:15px;font-size:9px;letter-spacing:1.4px}.toc a{display:block;margin-bottom:13px;line-height:1.7}.toc .source-link{border-top:1px solid var(--line);padding-top:16px;margin-top:24px;color:#6c8a74}.article-next{display:flex;justify-content:space-between;gap:20px;margin-top:40px;padding-top:22px;border-top:1px solid var(--line);font-size:11px;color:#6a8472}.article-next a{line-height:1.8}.article-next small{display:block;font-size:9px;color:#9ba5ad;margin-bottom:5px}footer{border-top:1px solid var(--line);padding:20px 48px;color:#8d9a91;font-size:9px;display:flex;gap:20px}footer span{color:#a7afb7}footer span:last-child{margin-left:auto}.loading{color:var(--muted)}
@media(min-width:1500px){main{padding-top:55px}.intro h1{font-size:38px}.hero{min-height:235px}.doc-card{min-height:210px}.doc-card h3{font-size:15px}.doc-card p{font-size:11px}}
@media(max-width:1150px){:root{--sidebar:225px}.sidebar{padding-left:15px;padding-right:15px}main{padding:35px 28px}.topbar{padding:0 28px}.topic-grid{grid-template-columns:repeat(3,1fr)}.document-grid{grid-template-columns:repeat(2,1fr)}.hero-art{width:205px}.reading-layout{grid-template-columns:minmax(0,1fr)}.toc{display:none}.brand{font-size:15px}.intro-date{display:none}}
@media(max-width:760px){:root{--sidebar:0px}.sidebar{width:258px;transform:translateX(-100%);transition:transform .2s;box-shadow:20px 0 60px #20332818}.sidebar.open{transform:translateX(0)}.topbar{height:60px;padding:0 20px;gap:15px;justify-content:flex-start}#menu-toggle{display:block;background:none;border:0;color:#6d8275;font-size:18px;padding:4px}.github-link{margin-left:auto}.breadcrumb{font-size:10px}.breadcrumb span{margin:0 7px}main{padding:30px 20px}.intro h1{font-size:29px}.intro p{font-size:11px}.hero{padding:24px;min-height:210px}.hero h2{font-size:21px}.hero-art{display:none}.topic-grid{grid-template-columns:repeat(2,1fr);gap:9px}.topic:last-child{grid-column:1/-1;min-height:74px;display:flex;align-items:center;gap:12px}.topic:last-child .topic-icon{margin:0}.topic:last-child small{margin:0 0 0 auto}.document-grid{grid-template-columns:1fr}.doc-card{min-height:180px}.doc-card h3{font-size:16px}.doc-card p{font-size:12px}.doc-top,.doc-meta{font-size:10px}.filters{gap:0}.chip{padding:6px 10px}footer{padding:20px;gap:10px;flex-wrap:wrap}footer span:last-child{margin-left:0;width:100%}.article-header h1{font-size:27px}.article{font-size:12px}.article blockquote{padding:17px}.article-next{font-size:10px}}
.intro p,.doc-card p{color:#73808d}.doc-meta,.article-meta{color:#7e8a96}.table-scroll{overflow-x:auto;margin:20px 0}.article .table-scroll table{display:table;margin:0;width:100%}.article th,.article td{min-width:100px}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
/* Language controls and source-aware concept visuals. */
.language-switch{display:flex;gap:2px;padding:3px;border:1px solid #dde5df;border-radius:7px;margin-left:auto;margin-right:20px;flex-shrink:0;background:#f7faf8}.language-switch button{padding:5px 9px;font-size:10px;border:0;border-radius:4px;background:transparent;color:#7a8980}.language-switch button.active{background:#e2ece5;color:#3f6650;font-weight:600}.breadcrumb{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-right:15px}.github-link{flex-shrink:0}.source-notice{border-left:3px solid #91ad9a;padding:10px 15px;background:#f0f4f2;margin:0 0 22px;font-size:11px;color:#688071;line-height:1.8}.source-notice p{margin:5px 0 0}.concept-diagram{margin:25px 0 35px;border:1px solid #dce6df;border-radius:12px;background:#fff;padding:18px 20px}.diagram-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:12px;color:#54715e;line-height:1.6}.diagram-heading a{font-size:10px;white-space:nowrap;text-decoration:none}.diagram-scroll{overflow-x:auto;margin:12px -4px}.diagram-scroll svg{display:block;width:100%;min-width:530px;height:auto}.concept-diagram figcaption{font-size:10px;line-height:1.9;color:#6b7d70}.concept-diagram figcaption span{display:block;font-size:9px;color:#91a095;margin-top:6px}.source-paragraph{margin:14px 0}.article .source-quote{background:#f7f8fa;border-left:3px solid #cbd7ce;border-radius:2px}.original-reference{font-size:10px}.attribution{border-top:1px solid #dce6df;font-size:11px;line-height:1.9;color:#7a877e;margin-top:35px;padding-top:20px}.article pre{overflow-x:auto;padding:15px;background:#eff3f0;border-radius:8px}.article pre code{padding:0;white-space:pre}.filters{flex-wrap:wrap}.toc{max-height:calc(100vh - 80px);overflow-y:auto}.original-text .katex-display{font-size:.9em}html[lang=en] .article{font-family:'DM Sans',sans-serif;font-size:15px;line-height:1.9}html[lang=en] .article blockquote{font-size:13px}html[lang=en] .chip{padding-left:9px;padding-right:9px}html[lang=en] .doc-card h3{letter-spacing:-.2px}
@media(max-width:760px){.language-switch{margin-right:0;margin-left:auto}.language-switch button{padding:5px 7px;font-size:9px}.topbar{gap:8px}.topbar .github-link{display:none}.breadcrumb{flex:1;font-size:9px;margin-right:0}.concept-diagram{padding:15px 12px}.diagram-heading{font-size:11px}.diagram-scroll svg{min-width:530px}.source-notice{font-size:10px}.result-count{width:100%;margin-top:8px}.article-meta{gap:8px}html[lang=en] .article{font-size:14px}.article .katex-display{max-width:100%}}
#ai-subnav{display:grid;margin:0 0 12px 24px;border-left:1px solid #e1e9e3;padding-left:9px;gap:2px}#ai-subnav a{display:flex;justify-content:space-between;gap:5px;padding:8px;font-size:10px;color:#7d8b81;border-radius:5px}#ai-subnav a.selected{background:#eaf2ec;color:#426b51}#ai-subnav small{font-size:9px;color:#95a69a}.track-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}.track-tabs a{display:flex;align-items:center;gap:9px;border:1px solid #e1e8e3;border-radius:7px;background:white;padding:10px 13px;font-size:11px;color:#75867a}.track-tabs a.active{background:#e8f1ea;border-color:#bfD3c4;color:#416a50;font-weight:600}.track-tabs small{font-size:9px;color:#819d88}.sidebar .brand{flex-shrink:0}.sidebar-bottom{flex-shrink:0}@media(max-width:760px){.track-tabs{display:grid;grid-template-columns:1fr 1fr}.track-tabs a{justify-content:space-between;font-size:10px}}

.track-tabs[hidden]{display:none}

/* Theme selection is applied in the head, before the first paint. */
#theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:34px;min-height:34px;padding:5px;margin-right:18px;border:1px solid var(--line);border-radius:7px;background:var(--white);color:var(--accent);font-size:10px;flex-shrink:0}
#theme-toggle:hover{background:var(--green-bg)}
[data-theme-icon]{font-size:17px;line-height:1}
:root[data-theme=dark]{--bg:#151b21;--white:#1d252d;--ink:#e5ecef;--muted:#a1afbc;--line:#34414b;--accent:#abd1b7;--green-bg:#293e34;color-scheme:dark}
[data-theme=dark] .sidebar,[data-theme=dark] .topic,[data-theme=dark] .doc-card,[data-theme=dark] .empty,[data-theme=dark] .article table,[data-theme=dark] .article .katex-display,[data-theme=dark] .concept-diagram{background:var(--white)}
[data-theme=dark] .topbar{background:#1b232beb}
[data-theme=dark] .search-wrap input{background:var(--white);border-color:var(--line)}
[data-theme=dark] .breadcrumb b,[data-theme=dark] .article{color:#bcc9d3}
[data-theme=dark] .side-label,[data-theme=dark] #quick-links a,[data-theme=dark] .github-link,[data-theme=dark] .intro-date,[data-theme=dark] .section-head span,[data-theme=dark] .chip,[data-theme=dark] .result-count,[data-theme=dark] .doc-card p,[data-theme=dark] .doc-meta,[data-theme=dark] .article-meta,[data-theme=dark] .toc,[data-theme=dark] footer span,[data-theme=dark] .article-next small,[data-theme=dark] .search-wrap input::placeholder,[data-theme=dark] .breadcrumb{color:var(--muted)}
[data-theme=dark] .nav-link.active,[data-theme=dark] .article a,[data-theme=dark] .article-next,[data-theme=dark] .toc .source-link,[data-theme=dark] .back-link,[data-theme=dark] .eyebrow,[data-theme=dark] .topic.available small,[data-theme=dark] .doc-meta span:last-child,[data-theme=dark] #menu-toggle{color:var(--accent)}
[data-theme=dark] .nav-count,[data-theme=dark] .level,[data-theme=dark] .available .topic-icon{background:var(--green-bg);color:#b0cbb8}
[data-theme=dark] #quick-links a:hover,[data-theme=dark] #quick-links a.selected,[data-theme=dark] .chip.active,[data-theme=dark] #ai-subnav a.selected,[data-theme=dark] .track-tabs a.active,[data-theme=dark] .language-switch button.active{background:var(--green-bg);color:#c3e5ce;border-color:#526d5c}
[data-theme=dark] .topic.available,[data-theme=dark] .concept-diagram,[data-theme=dark] .language-switch,[data-theme=dark] .search-wrap kbd,[data-theme=dark] #ai-subnav,[data-theme=dark] .track-tabs a,[data-theme=dark] .attribution{border-color:var(--line)}
[data-theme=dark] .doc-card:hover{border-color:#759b81;box-shadow:0 7px 20px #0003}
[data-theme=dark] .doc-meta{border-color:var(--line)}
[data-theme=dark] .doc-top,[data-theme=dark] .toc strong,[data-theme=dark] footer,[data-theme=dark] .concept-diagram figcaption,[data-theme=dark] .attribution,[data-theme=dark] #ai-subnav a,[data-theme=dark] #ai-subnav small,[data-theme=dark] .track-tabs small,[data-theme=dark] .language-switch button{color:#aabeb0}
[data-theme=dark] .language-switch,[data-theme=dark] .track-tabs a{background:var(--white);color:#b7c9bd}
[data-theme=dark] .article blockquote{background:#24382e;border-color:#415c4b;color:#c1ddca}
[data-theme=dark] .article th{background:#293c32;color:#d0e3d6}
[data-theme=dark] .article code,[data-theme=dark] .article pre{background:#27333d;color:#c9dae4}
[data-theme=dark] .article .source-quote,[data-theme=dark] .source-notice{background:#23322b;color:#bcd4c3;border-color:#71927b}
[data-theme=dark] .diagram-heading{color:#c1ddca}
[data-theme=dark] .concept-diagram figcaption span{color:#a1b2a6}
[data-theme=dark] .avatar{background:#3b372d;color:#d7c5a4}
[data-theme=dark] .search-icon,[data-theme=dark] .search-wrap kbd{color:#a6b9ad}
/* Recolor inline diagrams; downloaded SVGs keep their standalone light palette. */
[data-theme=dark] .diagram-scroll svg text{fill:#c6dfce}
[data-theme=dark] .diagram-scroll svg .diagram-sub{fill:#b2c4b8}
[data-theme=dark] .diagram-scroll svg rect{fill:#2c4035;stroke:#597460}
[data-theme=dark] .diagram-scroll svg rect[fill="#f5eee3"]{fill:#49402c;stroke:#89784e}
[data-theme=dark] .diagram-scroll svg rect[fill="#52745e"]{fill:#426b50}
[data-theme=dark] .diagram-scroll svg circle{fill:#375443;stroke:#8fae99}
[data-theme=dark] .diagram-scroll svg text[fill="white"]{fill:#fff}
@media(max-width:760px){#theme-toggle{width:34px;min-height:34px;padding:5px;margin-right:0}.language-switch{margin-right:0}.topbar{gap:7px}}

/* Softer surfaces and rounded controls across both themes. */
:root{--radius-card:20px;--radius-panel:24px;--surface-shadow:0 4px 18px #253d2f05;--hover-shadow:0 10px 28px #253d2f0d}
:root[data-theme=dark]{--surface-shadow:0 4px 18px #00000012;--hover-shadow:0 10px 28px #00000026}
.sidebar{border-radius:0 26px 26px 0}
.brand-mark{border-radius:13px}
.nav-link,.upcoming{border-radius:13px}
.nav-count,.level{border-radius:999px;padding:3px 7px}
#quick-links a,#quick-links a:hover,#quick-links a.selected,#ai-subnav a{border-radius:10px}
.search-wrap input{height:56px;border-radius:28px;box-shadow:var(--surface-shadow)}
.search-wrap kbd{border-radius:7px}
.topic,.doc-card,.empty{border-radius:var(--radius-card);box-shadow:var(--surface-shadow)}
.topic{padding:18px 16px}
.topic-icon{border-radius:12px}
.topic.available{box-shadow:var(--surface-shadow)}
.topic.available,.doc-card{transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.topic.available:hover,.doc-card:hover,[data-theme=dark] .doc-card:hover{transform:translateY(-2px);box-shadow:var(--hover-shadow)}
.doc-card{padding:22px}
.document-grid{gap:18px}
.chip,.track-tabs a{border-radius:999px}
.language-switch{border-radius:999px;padding:4px}
.language-switch button{border-radius:999px;padding:5px 10px}
#theme-toggle{border-radius:50%}
.article blockquote,.concept-diagram{border-radius:var(--radius-panel)}
.article .source-quote{border-radius:0 16px 16px 0}
.source-notice{border-radius:0 14px 14px 0}
.article pre,.article .katex-display{border-radius:16px}
.article code{border-radius:6px}
.table-scroll{border-radius:14px;border:1px solid var(--line)}
.article .table-scroll table{border-style:hidden}
@media(max-width:760px){
 .sidebar{border-radius:0 22px 22px 0}
 .topic{padding:16px 14px}
 .doc-card{padding:21px}
 .document-grid{gap:14px}
 .language-switch button{padding:5px 7px}
 .concept-diagram,.article blockquote{border-radius:20px}
}

.robotics-link,.research-link{border:1px solid var(--line);flex-shrink:0}
.robotics-link{margin-top:20px}
.research-link{margin-top:8px}
.research-intro h1{font-size:32px;letter-spacing:-1px;margin:14px 0}
.research-intro p{color:var(--muted);line-height:1.9;margin-bottom:14px}
.research-intro>small{color:var(--muted);font-size:10px;line-height:1.8;display:block}
.research-sources{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:28px 0}
.research-source{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:20px}
.research-source>a{display:flex;justify-content:space-between;gap:10px;color:var(--accent)}
.research-source p{font-size:11px;color:var(--muted);line-height:1.8}
.research-source small{font-size:10px;color:var(--muted);line-height:1.7}
.research-source .feed-warning{color:var(--accent);font-weight:600}
.research-controls .search-wrap{margin:20px 0}
.research-controls input{padding-right:22px}
.research-pills{display:flex;flex-wrap:wrap;gap:6px}
.research-pills .chip{font-size:11px;padding:8px 13px}
.research-filter-row{display:flex;justify-content:space-between;align-items:center;gap:15px;flex-wrap:wrap;margin-bottom:12px}
.research-period{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:8px}
.research-period select{background:var(--white);color:var(--ink);border:1px solid var(--line);border-radius:18px;padding:8px 12px;font:inherit}
.research-period select:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.research-note{color:var(--muted);font-size:11px;line-height:1.9;margin:20px 0}
.research-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.research-item{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:23px;box-shadow:var(--surface-shadow)}
.research-item-meta{display:flex;align-items:center;flex-wrap:wrap;gap:9px;font-size:10px;color:var(--muted)}
.research-item-meta>span:first-child{color:var(--accent);font-weight:600}
.research-item h3{font-size:17px;line-height:1.65;margin:14px 0;overflow-wrap:anywhere;font-weight:600}
.research-item h3 a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.research-item h3 a span{color:var(--accent);font-size:13px}
.research-tags{display:flex;flex-wrap:wrap;gap:6px}
.research-tags span,.research-badge{background:var(--green-bg);color:var(--accent);border-radius:999px;padding:4px 9px;font-size:9px}.bookmark-toggle{margin-left:auto;background:none;border:0;padding:2px 6px;border-radius:8px;font-size:16px;line-height:1;color:#c0cac4}.bookmark-toggle:hover{color:var(--accent);background:var(--green-bg)}.bookmark-toggle[aria-pressed=true]{color:#e0a72e}
@media(max-width:760px){.research-sources,.research-results{grid-template-columns:1fr}.research-sources{gap:10px}.research-source{padding:17px}.research-intro h1{font-size:27px}.research-item{padding:20px}.research-item h3{font-size:16px}}

.research-more{grid-column:1/-1;justify-self:center;border:1px solid var(--line);background:var(--white);color:var(--accent);padding:12px 24px;margin-top:10px;font-size:12px}

.ai-nav-row{display:flex;align-items:center;gap:2px;margin-bottom:3px}
.ai-nav-row .ai-link{flex:1;min-width:0;margin-bottom:0;padding-left:10px;padding-right:6px;gap:7px}
.ai-nav-title{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:11px}
.ai-nav-row .nav-count{flex-shrink:0}
#ai-subnav[hidden]{display:none}

.home-updates{margin:6px 0 32px;padding:28px;border:1px solid var(--line);border-radius:24px;background:var(--green-bg)}
.updates-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px}
.updates-heading h2{font-size:23px;letter-spacing:-.6px;line-height:1.5;margin:7px 0;color:var(--ink)}
.updates-heading p{font-size:12px;line-height:1.8;color:var(--muted);margin:0}
.updates-all{flex-shrink:0;font-size:12px;color:var(--accent);padding:10px 15px;background:var(--white);border:1px solid var(--line);border-radius:999px}
.updates-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.update-card{display:flex;flex-direction:column;background:var(--white);padding:22px;border:1px solid var(--line);border-radius:18px;min-width:0}
.update-card h3{font-size:16px;line-height:1.65;margin:15px 0 22px;overflow-wrap:anywhere}
.update-card h3 a:hover,.update-concepts a:hover,.updates-all:hover{text-decoration:underline;text-underline-offset:4px;color:var(--accent)}
.update-concepts{margin-top:auto;border-top:1px solid var(--line);padding-top:14px;display:grid;gap:9px}
.update-concepts>span{font-size:10px;color:var(--muted)}
.update-concepts a{font-size:11px;line-height:1.7;color:var(--accent);display:flex;justify-content:space-between;gap:10px}
.updates-note{font-size:10px;line-height:1.8;color:var(--muted);margin:18px 0 0}
.updates-empty{grid-column:1/-1;color:var(--muted);font-size:13px}
#home-search-results[hidden]{display:none}
@media(max-width:1150px){.updates-grid{grid-template-columns:1fr}.update-card h3{margin-bottom:16px}.update-concepts{gap:7px}}
@media(max-width:760px){.home-updates{padding:20px 16px;border-radius:20px}.updates-heading{align-items:flex-start;flex-direction:column;gap:14px}.updates-heading h2{font-size:21px}.update-card{padding:18px}}

.research-source-latest{list-style:none;margin:18px 0;padding:0;display:grid;gap:14px}
.research-source-latest li{border-top:1px solid var(--line);padding-top:12px}
.research-source-latest time{display:block;color:var(--muted);font-size:10px;margin-bottom:5px}
.research-source-latest a{display:block;font-size:12px;line-height:1.75;overflow-wrap:anywhere}
.research-source-latest a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px}

.vulnerability-intro{display:flex;align-items:center;justify-content:space-between;gap:24px;background:var(--green-bg);border:1px solid var(--line);border-radius:22px;padding:24px;margin:0 0 24px}.vulnerability-intro h2{font-size:23px;margin:9px 0;letter-spacing:-.6px}.vulnerability-intro p{font-size:12px;line-height:1.8;color:var(--muted);margin:0}@media(max-width:760px){.vulnerability-intro{align-items:flex-start;flex-direction:column;padding:20px}.vulnerability-intro h2{font-size:21px}}

/* Brief source summaries share the same rhythm in cards and article lists. */
.research-tldr{margin:10px 0 14px;color:var(--muted);font-size:12px;line-height:1.85;overflow-wrap:anywhere}
.tldr-label{display:block;margin-bottom:4px;color:var(--ink);font-size:10px;font-weight:700;letter-spacing:.04em}
.tldr-label small{font-weight:400;letter-spacing:0;color:var(--muted)}
.research-source-latest .research-tldr{font-size:11px;margin:7px 0 10px;line-height:1.8}
.update-card .research-tldr{font-size:12px;margin-bottom:18px}
.conference-watch{margin:36px 0;padding:25px;border:1px solid var(--line);border-radius:22px;background:var(--white)}
.conference-tabs{flex-wrap:wrap;margin:18px 0}
.conference-meta{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:11px;margin:18px 0}
.conference-meta a{color:var(--accent)}
.conference-paper{border-top:1px solid var(--line);padding:16px 0 2px}
.conference-paper h3{font-size:14px;line-height:1.75;margin:0}
.conference-paper h3 a{color:var(--ink);text-decoration:none}
.conference-paper h3 a:hover{color:var(--accent)}
.conference-more{margin-top:12px}
@media(max-width:600px){.conference-watch{padding:18px}.research-tldr{font-size:12px}}

.archive-filters{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:20px}.archive-filters label{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px}.archive-filters select{background:var(--white);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:8px;max-width:100%}.archive-sources{margin-top:24px;color:var(--muted);font-size:12px;line-height:1.8}.archive-sources summary{cursor:pointer}.archive-sources a{text-decoration:underline}.archive-paper .research-tags{margin-bottom:14px}#archive-count{margin-left:8px}#conference-watch>.section-head{flex-wrap:wrap;gap:12px}

#archive-search{padding-right:18px}

.home-today{margin:0 0 30px;padding:28px;border:1px solid var(--line);border-radius:24px;background:var(--white)}.daily-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:22px}.daily-group{min-width:0;display:flex;flex-direction:column;padding:18px;border:1px solid var(--line);border-radius:16px}.daily-group-heading{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.daily-group-heading h3{font-size:14px;line-height:1.6;margin:0}.daily-group-heading>span{flex-shrink:0;color:var(--accent);font-size:12px}.daily-entry{padding:18px 0;border-bottom:1px solid var(--line)}.daily-entry h4{font-size:13px;line-height:1.8;margin:9px 0 0;overflow-wrap:anywhere}.daily-entry p,.daily-empty{font-size:12px;line-height:1.8;color:var(--muted)}.daily-all{font-size:12px;color:var(--accent);margin-top:auto;padding-top:20px}.daily-more{margin-top:12px}.home-today .updates-note{margin-bottom:0}@media(max-width:1150px){.daily-grid{grid-template-columns:1fr}}@media(max-width:760px){.home-today{padding:20px 16px}.daily-group{padding:16px}.home-today .updates-heading h2{font-size:21px}}

:is(#robotics-feed,#ai-feed) .archive-filters{display:grid;grid-template-columns:minmax(0,2fr) repeat(3,minmax(0,1.2fr)) auto auto;align-items:end}:is(#robotics-feed,#ai-feed) .archive-filters label{min-width:0;display:flex;flex-direction:column;align-items:stretch;gap:8px}:is(#robotics-feed,#ai-feed) .archive-filters select{width:100%;min-width:0;font:inherit}:is(#robotics-feed,#ai-feed) .research-more{grid-column:1/-1}@media(max-width:1150px){:is(#robotics-feed,#ai-feed) .archive-filters{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){:is(#robotics-feed,#ai-feed) .archive-filters{grid-template-columns:1fr}}

button.ai-link{width:100%;border:0;background:transparent;color:inherit;text-align:left;font-family:inherit}button.ai-link:hover{background:var(--green-bg)}

.security-news-link{border:1px solid var(--line);margin-top:8px;flex-shrink:0}.home-security-news{padding:28px;margin:0 0 32px;border:1px solid var(--line);border-radius:24px;background:var(--white)}.security-news-all{font-size:12px;color:var(--accent);white-space:nowrap}.security-banner-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:24px}.security-banner-region{padding:20px;border:1px solid var(--line);border-radius:18px}.security-banner-region>h3{margin:0 0 8px;font-size:14px}.security-news-preview{padding:18px 0;border-bottom:1px solid var(--line)}.security-news-preview:last-child{border-bottom:0}.security-news-preview h3{font-size:14px;line-height:1.8;margin:8px 0;overflow-wrap:anywhere}.security-news-excerpt{font-size:12px;line-height:1.9;color:var(--muted)}.security-news-excerpt small{display:block;margin-bottom:6px}.news-filters{display:grid;grid-template-columns:repeat(4,minmax(0,1fr)) auto;align-items:end}.news-filters label{min-width:0;flex-direction:column;align-items:stretch}.news-filters select{width:100%;min-width:0;font:inherit}@media(max-width:1150px){.news-filters{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:760px){.security-banner-grid{grid-template-columns:1fr}.home-security-news{padding:20px 16px}.home-security-news .updates-heading h2{font-size:21px}}@media(max-width:600px){.news-filters{grid-template-columns:1fr}}

.side-group-label{font-size:9px;font-weight:700;letter-spacing:1.5px;color:#7d9a86;margin:20px 12px 9px;padding-top:4px;border-top:1px solid var(--line)}.side-group-label:first-of-type{border-top:0;padding-top:0;margin-top:10px}