/* The study inherits the journal palette and typography; no separate brand tokens. */
body:has(.kb-workspace){background:var(--theme-color-surface-soft);color:var(--theme-color-ink)}
body:has(.kb-workspace) .ambient-grid{display:none}
body:has(.kb-workspace)::before{display:none}
body:has(.kb-workspace) .site-header{background:var(--theme-color-surface);border-bottom:1px solid var(--theme-color-line);box-shadow:none}
body[data-page="post"] .kb-center .article-shell>article{padding:0;border:0;border-radius:0;background:transparent;box-shadow:none}
body[data-page="post"] .kb-center .prose :is(h2,h3),body[data-page="post"] .kb-center .article-header h1{font-family:var(--theme-font-display);font-weight:600}
body[data-page="post"] .kb-center .prose h2{font-size:22px;line-height:1.5;margin-top:30px}
body[data-page="post"] .kb-center .prose h3{font-size:18px;line-height:1.5}
.kb-workspace{--kb-line:color-mix(in srgb,var(--theme-color-line) 65%,transparent);display:grid;grid-template-columns:minmax(260px,280px) minmax(0,1fr) 180px;max-width:1440px;margin:auto;min-height:calc(100vh - 90px);padding:0 24px;gap:24px;font-family:var(--theme-font-body)}
.kb-sidebar,.kb-toc{position:sticky;top:90px;max-height:calc(100vh - 110px);overflow:auto;align-self:start;padding:28px 0;font-size:13px;scrollbar-width:thin}
.kb-sidebar{border-right:1px solid var(--kb-line);padding-right:10px}
.kb-mobile-directory>summary{font-size:12px;letter-spacing:.08em;color:var(--theme-color-muted);padding:0 8px 18px;cursor:pointer}
.kb-home{display:flex;justify-content:space-between;font-weight:600;padding:9px 10px;margin-bottom:12px}
.kb-tree{margin:2px 0}.kb-tree summary{display:flex;align-items:center;gap:6px;padding:6px 2px;cursor:pointer;list-style:none}.kb-tree summary:before{content:'›';width:10px;color:var(--theme-color-muted)}.kb-tree[open]>summary:before{content:'⌄'}.kb-tree summary a{flex:1;min-width:0;overflow-wrap:anywhere}.kb-tree small,.kb-home small{flex:none;color:var(--theme-color-muted);font-size:11px}
.kb-branch{border-left:1px solid var(--kb-line);margin-left:7px;padding-left:8px}.kb-document-link{display:block;padding:6px 7px;margin:1px 0;line-height:1.5;color:var(--theme-color-muted);overflow-wrap:anywhere}
.kb-sidebar a:hover,.kb-sidebar a[aria-current=page]{background:color-mix(in srgb,var(--theme-color-primary) 8%,transparent);color:var(--theme-color-primary);border-radius:5px}.kb-sidebar a[aria-current=page]{font-weight:650}
.kb-center{min-width:0}.kb-toolbar{display:flex;gap:10px;align-items:center;padding:20px 0;border-bottom:1px solid var(--kb-line)}.kb-toolbar form{display:flex;flex:1;min-width:0;gap:8px}.kb-toolbar input{min-width:0;flex:1;border:1px solid var(--kb-line);border-radius:6px;padding:10px 12px;background:transparent;color:inherit;font:inherit;font-size:13px}.kb-toolbar button,.knowledge-pagination button{border:1px solid var(--kb-line);border-radius:6px;padding:9px 12px;background:transparent;color:inherit;font:inherit;font-size:13px;cursor:pointer;white-space:nowrap}.kb-toolbar button:hover{border-color:var(--theme-color-primary)}
.kb-page{padding:24px 0 70px}.kb-breadcrumbs{display:flex;flex-wrap:wrap;gap:7px;font-size:12px;color:var(--theme-color-muted);line-height:1.7;margin-bottom:28px}.kb-eyebrow{font-size:12px;color:var(--theme-color-primary)}.kb-page h1,.kb-center .article-header h1{font-size:clamp(26px,3vw,36px);line-height:1.35;margin:10px 0 16px;font-family:inherit;letter-spacing:-.02em}.kb-intro{font-size:15px;line-height:1.8;color:var(--theme-color-muted);max-width:650px}.kb-content{font-size:15px;line-height:1.85}.kb-content h2{font-size:21px;margin:32px 0 16px}.kb-content h3{font-size:17px}.kb-content :is(h2,h3,h4){scroll-margin-top:110px}
.kb-topic-list{display:grid;gap:0}.kb-topic-list>a{display:block;text-decoration:none;padding:20px 0;border-bottom:1px solid var(--kb-line)}.kb-topic-list strong{font-size:17px;color:var(--theme-color-text)}.kb-topic-list p{font-size:14px;margin:5px 0!important;color:var(--theme-color-muted)}.kb-topic-list small{font-size:12px;color:var(--theme-color-primary)}
.kb-reading-path{padding-left:24px}.kb-reading-path li{padding:10px 0}.kb-reading-path p{font-size:13px;margin:4px 0;color:var(--theme-color-muted)}.kb-results>a{display:block;padding:18px 0;border-bottom:1px solid var(--kb-line)}.kb-results strong{display:block}.kb-results small,.kb-muted{color:var(--theme-color-muted)}.kb-results p{font-size:14px}.knowledge-pagination{display:flex;gap:15px;align-items:center;margin:25px 0}.knowledge-pagination button:disabled{opacity:.4}
.kb-toc{font-size:12px}.kb-toc strong{font-weight:600}.kb-toc nav{margin:15px 0 25px;border-left:1px solid var(--kb-line)}.kb-toc nav a{display:block;padding:5px 10px;color:var(--theme-color-muted);line-height:1.6}.kb-toc nav a[data-level='3']{padding-left:22px}.kb-toc nav a[aria-current=true]{color:var(--theme-color-primary);border-left:2px solid currentColor;margin-left:-1px}
.kb-center .article-shell{display:block;width:100%;max-width:none;margin:0;padding:0}.kb-center .article-header{padding:0}.kb-center .article-header>p{font-size:15px;line-height:1.8}.kb-center .article-aside,.kb-center .article-rule{display:none}.kb-center .article-content{font-size:15px;line-height:1.85}.kb-center .article-content :is(h2,h3,h4){scroll-margin-top:110px}.kb-center .article-tags{margin-top:35px}.kb-center .comments{margin-top:45px}.kb-center .post-meta{font-size:12px}
.kb-adjacent{display:flex;justify-content:space-between;gap:24px;border-top:1px solid var(--kb-line);padding-top:22px;margin-top:35px}.kb-adjacent a{max-width:48%;font-size:14px}.kb-adjacent small{display:block;color:var(--theme-color-muted);margin-bottom:6px}.kb-related{margin-top:32px}.kb-related h2{font-size:18px}.kb-related a{display:block;padding:6px 0;font-size:14px}
@media(max-width:1150px){.kb-workspace{grid-template-columns:248px minmax(0,1fr);gap:20px}.kb-toc{display:none}}
@media(max-width:760px){.kb-workspace{display:block;padding:0 18px}.kb-sidebar{position:static;border-right:0;border-bottom:1px solid var(--kb-line);max-height:45vh;padding:12px 0}.kb-mobile-directory>summary{padding:5px}.kb-toolbar{flex-wrap:wrap}.kb-toolbar form{flex-basis:70%}.kb-page{padding-top:18px}.kb-breadcrumbs{margin-bottom:20px}}

/* Quiet paper reading surface, with the garden palette confined to the rails. */
.kb-center{background:var(--theme-color-surface);padding:0 clamp(20px,3vw,44px)}
.kb-page{max-width:var(--theme-reading-width);margin-inline:auto;padding-bottom:80px}
.kb-page h1,.kb-center .article-header h1{font-family:var(--theme-font-display);font-weight:600;letter-spacing:.015em;line-height:1.5}
.kb-content :is(h2,h3){font-family:var(--theme-font-display);font-weight:600}
.kb-content,.kb-center .article-content{line-height:1.95;overflow-wrap:anywhere}
.kb-topic-list strong{font-family:var(--theme-font-display);font-weight:600;color:var(--theme-color-ink)}
.kb-topic-list>a:hover strong{color:var(--theme-color-primary)}
.kb-eyebrow{letter-spacing:.12em}
.kb-sidebar{border-right:0}
.kb-home{justify-content:initial;gap:9px;align-items:center}
.kb-home span{flex:1}
.kb-tree summary:before,.kb-tree[open]>summary:before{content:none}
.kb-tree summary::-webkit-details-marker,.kb-mobile-directory>summary::-webkit-details-marker{display:none}
.kb-mobile-directory>summary{display:flex;align-items:center;gap:8px;list-style:none}
.kb-mobile-directory>summary>.kb-icon-chevron{margin-left:auto}
.kb-tree[open]>summary>.kb-icon-chevron,.kb-mobile-directory[open]>summary>.kb-icon-chevron{transform:rotate(90deg)}
.kb-tree summary a{padding:4px}
.kb-document-link{display:flex;align-items:baseline;gap:6px;position:relative}
.kb-document-link>.kb-icon{align-self:flex-start;margin-top:2px}
.kb-sidebar a[aria-current=page]{position:relative;background:color-mix(in srgb,var(--theme-color-primary) 7%,transparent);border-radius:3px}
.kb-sidebar a[aria-current=page]::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:2px;background:var(--theme-color-primary);border-radius:1px}
.kb-tree small,.kb-home small,.kb-center .post-meta{font-family:var(--theme-font-mono);font-variant-numeric:tabular-nums}
.kb-toolbar input{background:var(--theme-color-surface);border-radius:8px}
.kb-toolbar button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:40px;border-radius:8px;background:var(--theme-color-surface)}
.kb-toolbar [data-kb-ask]{color:var(--theme-color-primary-deep);background:color-mix(in srgb,var(--theme-color-primary) 7%,var(--theme-color-surface));border-color:color-mix(in srgb,var(--theme-color-primary) 28%,transparent)}
.kb-toolbar [data-kb-ask] .kb-icon{width:20px;height:20px}
.kb-icon{display:inline-block;width:16px;height:16px;flex:none;vertical-align:-3px}
.kb-topic-list small,.kb-adjacent small,.kb-back-top{display:flex;align-items:center;gap:7px}
.kb-toc{color:var(--theme-color-muted)}
.kb-toc strong{font-size:11px;letter-spacing:.08em}
.kb-back-top{font-size:11px}
.kb-workspace :is(a,button,input,summary):focus-visible{outline:2px solid var(--theme-color-primary);outline-offset:3px}
body:has(.kb-workspace) :is(.content-guide-launcher,.reader-launcher){background:var(--theme-color-primary-deep);color:var(--theme-color-surface);border-color:var(--theme-color-primary);box-shadow:0 5px 18px color-mix(in srgb,var(--theme-color-primary) 16%,transparent)}
@media(max-width:1150px){.kb-workspace{grid-template-columns:248px minmax(0,1fr);gap:18px}}
@media(max-width:760px){
 .kb-workspace{padding:0;background:var(--theme-color-surface)}
 .kb-sidebar{padding:14px 20px;background:var(--theme-color-surface-soft)}
 .kb-center{padding:0 20px}
 .kb-toolbar{gap:10px;padding:16px 0}
 .kb-toolbar form{flex-basis:100%}
 .kb-toolbar input{width:0}
 .kb-page h1{font-size:28px}
}