:root{--kb-side:220px;--kb-list:320px;--kb-border:#e5eaf0;--kb-accent:#087f94}
.kb-shell{height:100vh;height:100dvh;overflow:hidden;background:#f5f7fa}
.kb-shell button,.kb-shell input,.kb-shell select{font-family:inherit}
.kb-shell button{cursor:pointer}.kb-shell [hidden]{display:none!important}
.kb-shell .kb-site{width:var(--kb-side)}
.kb-site .tree-brand{padding:0 16px;gap:8px}.kb-site .tree-brand b{font-size:16px}.kb-site .tree-brand small{font-size:10px}
.kb-side-label{font-size:10px;letter-spacing:2px;color:#727f94;padding:19px 21px 9px}
.kb-site-group{margin:4px 10px}.kb-site-group summary{display:flex;align-items:center;gap:10px;list-style:none;cursor:pointer;padding:12px 10px;color:#d2dbe6;font-size:13px;font-weight:600;border-radius:7px}.kb-site-group summary::-webkit-details-marker{display:none}.kb-site-group summary>span{color:#67e8f9}.kb-site-group summary:after{content:'›';margin-left:auto;transform:rotate(90deg);color:#7e8b9e}.kb-site-group:not([open]) summary:after{transform:none}.kb-site-group summary:hover{background:#ffffff08}.kb-site-group>div{margin:0 0 9px 19px;border-left:1px solid #25404c;padding-left:10px}.kb-site-group a{display:block;padding:10px 9px;color:#99a7ba;font-size:12px;border-radius:6px}.kb-site-group a:hover{background:#67e8f910;color:#d5f9ff}
.kb-workspace{margin-left:var(--kb-side);height:100%;display:flex;flex-direction:column;min-width:0}
.kb-top{height:70px;flex:0 0 70px;border-bottom:1px solid var(--kb-border);background:#fafcfe;display:flex;align-items:center;justify-content:space-between;padding:0 26px;gap:16px}.kb-top-left,.kb-top-actions{display:flex;align-items:center;gap:14px;min-width:0}.kb-wordmark{font-size:17px;font-weight:750;color:#1b2738;white-space:nowrap}.kb-top-sub{font-size:9px;letter-spacing:1.5px;color:#9aa6b5}.kb-top-actions{font-size:12px;color:#758295}.kb-top button,.kb-reader-tools button{border:1px solid #dfe6ec;background:#fff;border-radius:7px;padding:8px 11px;color:#586b80;font-size:12px}.kb-top .kb-write{background:#0b8395;border-color:#0b8395;color:#fff}.kb-top .kb-menu{display:none}
.kb-columns{display:grid;grid-template-columns:var(--kb-list) 5px minmax(0,1fr);flex:1;min-height:0;min-width:0}
.kb-list{display:flex;flex-direction:column;background:#fafbfd;min-width:0;min-height:0;overflow:hidden}.kb-list-controls{padding:23px 19px 12px;border-bottom:1px solid var(--kb-border)}.kb-list-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:17px}.kb-list-heading h2{font-size:18px;margin:0}.kb-list-heading>span{font-size:11px;color:#8b98a9}.kb-search{display:flex;align-items:center;gap:8px;border:1px solid #dfe6ec;border-radius:8px;background:#fff;padding:9px 10px}.kb-search>span{color:#8a9aac;font-size:18px}.kb-search input{width:100%;min-width:0;border:0;outline:none;background:transparent;font-size:12px;color:#24354a}.kb-search:focus-within{border-color:#58b8c5;box-shadow:0 0 0 3px #0b83950b}.kb-filters{display:flex;gap:7px;margin-top:10px}.kb-filters select{min-width:0;flex:1;border:1px solid #e2e8ee;border-radius:7px;padding:8px 5px;background:white;color:#65768a;font-size:11px}.kb-filters select:last-child{flex:0 0 94px}.kb-result{font-size:10px;color:#99a5b5;min-height:12px;margin-top:10px}.kb-posts{flex:1;overflow-y:auto;padding:9px 10px 24px;overscroll-behavior:contain}.kb-post{position:relative;border:1px solid transparent;border-radius:9px;margin-bottom:6px;transition:background .15s}.kb-post:hover{background:#f0f4f8}.kb-post.selected{background:#eef8fa;border-color:#c8e8ed;box-shadow:inset 3px 0 0 #0b91a3}.kb-post-link{display:block;padding:14px 13px 11px}.kb-post-meta{display:flex;justify-content:space-between;gap:7px;color:#8b98aa;font-size:10px;margin-bottom:9px}.kb-post.selected .kb-post-meta>span{color:#168a9b}.kb-post h3{font-size:13px;line-height:1.65;font-weight:650;color:#25354a;margin:0 0 7px;overflow-wrap:anywhere}.kb-post p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:11px;line-height:1.7;color:#95a0af;margin:0}.kb-row-actions{display:flex;gap:13px;padding:0 13px 10px;justify-content:flex-end;font-size:10px;color:#8a97a8}.kb-row-actions button{border:0;background:none;padding:0;color:#a57780;font-size:10px}.kb-draft{font-size:10px;color:#bd8633}.kb-no-results{padding:24px 12px;color:#8b98aa;font-size:12px;line-height:1.8}
.kb-resizer{background:#e8edf2;cursor:col-resize;touch-action:none}.kb-resizer:hover,.kb-resizer:focus-visible{background:#7ac3cd;outline:none}
.kb-reader{min-width:0;overflow:auto;padding:0 34px 60px;background:#fff;overscroll-behavior:contain}.kb-reader-tools{max-width:800px;display:flex;align-items:center;justify-content:space-between;margin:0 auto 26px;padding:19px 0;border-bottom:1px solid #edf0f4;color:#a1acba;font-size:10px;letter-spacing:.5px}.kb-reader-tools a{color:#8292a5}.kb-reader-tools .kb-back{display:none}.kb-shell .article-paper{max-width:800px;padding:0;margin:auto;background:transparent;border:0;border-radius:0;box-shadow:none}.kb-breadcrumb{color:#7293a5;font-size:11px;margin:6px 0 18px}.kb-breadcrumb span{margin:0 9px;color:#c4cdd7}.kb-shell .article-paper>h1{font-size:30px;font-weight:750;letter-spacing:-.6px;line-height:1.45;margin:0 0 18px;color:#17273a}.kb-meta{display:flex;align-items:center;flex-wrap:wrap;gap:16px;margin-bottom:30px;color:#97a2b0;font-size:11px}.kb-meta a{margin-left:auto;color:#548d9c}.kb-meta button{border:0;background:transparent;padding:0;color:#a9838a;font-size:11px}.kb-shell .article-content{font-size:15px;line-height:1.95;color:#3e4d60}.kb-shell .article-content h2{font-size:22px;margin-top:1.7em;color:#203247}.kb-shell .article-content h3{color:#203247}.kb-shell .article-content pre{overflow-x:auto;white-space:pre}.kb-shell .article-content table{display:block;overflow-x:auto}.kb-shell .article-content img{max-width:min(100%,640px)!important;object-fit:contain!important}.kb-shell .article-hero-img{max-width:min(100%,360px)!important;max-height:240px!important;margin:0 auto 30px!important}.kb-welcome{padding:80px 20px;color:#8292a5}.kb-welcome h1{color:#23364b;font-size:24px}
#kbLoadError{padding:12px;margin-bottom:20px;color:#a33d45;background:#fff2f3;font-size:12px;border-radius:8px}.kb-reader[aria-busy=true] #kbArticle{opacity:.5;pointer-events:none}.kb-list-collapsed .kb-columns{grid-template-columns:minmax(0,1fr)}.kb-list-collapsed .kb-list,.kb-list-collapsed .kb-resizer{display:none}.kb-backdrop{display:none}.kb-shell .post-modal-mask{z-index:1000}.kb-shell .post-modal{max-height:none}.kb-shell .blog-modal-close{font-size:26px}.kb-shell .blog-cancel-link{padding:9px 18px;font-size:13px;border:1px solid #dfe6ec;border-radius:8px;color:#687184}
@media(min-width:1101px){.kb-shell .kb-site .site-page-label{display:inline}.kb-shell .kb-site .site-page-link{justify-content:flex-start;padding:9px 12px}}
@media(max-width:1100px){:root{--kb-side:0px;--kb-list:290px}.kb-shell .kb-site{width:220px;transform:translateX(-100%);transition:transform .2s;z-index:60}.kb-shell.kb-site-open .kb-site{transform:none}.kb-top .kb-menu{display:inline-flex;gap:7px}.kb-top-sub{display:none}.kb-site-open .kb-backdrop{display:block;position:fixed;inset:0;border:0;background:#10203066;z-index:50}.kb-shell .kb-site .site-page-label{display:inline}.kb-shell .kb-site .site-page-link{justify-content:flex-start;padding:9px 12px}.kb-reader{padding:0 25px 45px}.kb-shell .article-paper>h1{font-size:26px}}
@media(max-width:700px){.kb-top{height:60px;flex-basis:60px;padding:0 12px;gap:8px}.kb-top-left,.kb-top-actions{gap:8px}.kb-wordmark{font-size:15px}.kb-top .kb-menu span{display:none}.kb-top-actions button{padding:7px 9px}.kb-columns{display:block;overflow:hidden}.kb-list{height:100%;width:100%}.kb-resizer{display:none}.kb-reader{display:none;height:100%;padding:0 20px 40px}.kb-mobile-reading .kb-list{display:none}.kb-mobile-reading .kb-reader{display:block}.kb-list-collapsed .kb-list{display:flex}.kb-list-collapsed.kb-mobile-reading .kb-list{display:none}.kb-reader-tools .kb-back{display:block}.kb-reader-tools>span{display:none}.kb-reader-tools{margin-bottom:22px}.kb-shell .article-paper>h1{font-size:25px;letter-spacing:-.4px}.kb-shell .article-content{font-size:14px}.kb-shell .article-hero-img{max-height:210px!important}.kb-post-link{padding:16px}.kb-post h3{font-size:15px}.kb-list-controls{padding:20px 20px 12px}.kb-posts{padding:9px 12px 22px}}
@media(prefers-reduced-motion:reduce){.kb-shell *{transition:none!important;scroll-behavior:auto!important}}

.kb-site .tree-brand small{display:none;}

/* v5.1 compact thumbnail + title article list. */
.kb-post-link{display:flex;align-items:flex-start;gap:12px;padding:14px 12px;}
.kb-post-thumb{position:relative;display:grid;place-items:center;flex:0 0 58px;width:58px;height:58px;overflow:hidden;border:1px solid #e5ebf0;border-radius:9px;background:#f0f4f8;color:#9aaabc;font-size:22px;}
.kb-post-thumb img{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:contain;object-position:center;background:#f0f4f8;}
.kb-post-copy{min-width:0;flex:1;}
.kb-post-copy h3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:0 0 7px;font-size:13px;line-height:1.6;}
.kb-post-copy .kb-post-meta{justify-content:flex-start;flex-wrap:wrap;gap:4px 9px;margin:0;font-size:9px;line-height:1.5;}
.kb-row-actions{padding:0 12px 10px;gap:13px;}
@media(max-width:700px){.kb-post-link{padding:15px;gap:13px;}.kb-post-thumb{width:64px;height:64px;flex-basis:64px;}.kb-post-copy h3{font-size:14px;-webkit-line-clamp:3;}.kb-post-copy .kb-post-meta{font-size:10px;}}