:root {
    --kb-bg: #08111f;
    --kb-panel: #111d2d;
    --kb-panel-strong: #17263a;
    --kb-border: #2b3d55;
    --kb-text: #e8eef7;
    --kb-muted: #9eb0c6;
    --kb-accent: #65d4bb;
    --kb-accent-dark: #173f3b;
}

* { box-sizing: border-box; }
.kb-body { margin: 0; background: var(--kb-bg); color: var(--kb-text); font: 16px/1.55 system-ui, sans-serif; }
.kb-topbar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 1rem; min-height: 64px; padding: 0 2rem; border-bottom: 1px solid var(--kb-border); background: rgba(8, 17, 31, .94); backdrop-filter: blur(14px); }
.kb-brand { color: var(--kb-text); font-size: 1.1rem; font-weight: 750; text-decoration: none; }
.kb-readonly { padding: .2rem .55rem; border: 1px solid var(--kb-border); border-radius: 999px; color: var(--kb-muted); font-size: .75rem; }
.kb-hub-link { margin-left: auto; color: var(--kb-accent); text-decoration: none; }
.kb-shell { width: min(1320px, calc(100% - 2rem)); margin: 0 auto; padding: 2.5rem 0 5rem; }
.kb-service-footer { position: fixed; right: 10px; bottom: 8px; z-index: 1040; padding: 4px 7px; border: 1px solid var(--kb-border); border-radius: 6px; background: var(--kb-panel); color: var(--kb-muted); font: 11px/1.2 ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; white-space: nowrap; }
.kb-service-footer a { color: inherit; text-decoration: none; }
.kb-service-footer a:hover, .kb-service-footer a:focus { color: var(--kb-text); }
.kb-service-footer-separator { margin: 0 5px; opacity: .6; }
.kb-hero { display: grid; grid-template-columns: 1.4fr 1fr; gap: 3rem; align-items: end; margin-bottom: 2.5rem; padding: 2rem; border: 1px solid var(--kb-border); border-radius: 18px; background: linear-gradient(135deg, var(--kb-panel-strong), var(--kb-panel)); }
.kb-hero h1, .kb-project-header h1, .kb-document-header h1 { margin: .2rem 0 .6rem; line-height: 1.08; }
.kb-hero h1 { font-size: clamp(2rem, 5vw, 4rem); }
.kb-eyebrow { margin: 0; color: var(--kb-accent); font-size: .75rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.kb-hero-tools { display: flex; flex-direction: column; gap: 1rem; }
.kb-latest-button { align-self: start; padding: .65rem 1rem; border: 1px solid var(--kb-accent); border-radius: 8px; background: var(--kb-accent-dark); color: var(--kb-accent); font-weight: 750; text-decoration: none; }
.kb-latest-button:hover { background: var(--kb-accent); color: #04110f; }
.kb-search label { display: block; margin-bottom: .45rem; color: var(--kb-muted); font-size: .85rem; }
.kb-search div { display: flex; }
.kb-search input { width: 100%; min-width: 0; padding: .8rem 1rem; border: 1px solid var(--kb-border); border-radius: 8px 0 0 8px; background: var(--kb-bg); color: var(--kb-text); }
.kb-search button { padding: .8rem 1.1rem; border: 0; border-radius: 0 8px 8px 0; background: var(--kb-accent); color: #04110f; font-weight: 750; cursor: pointer; }
.kb-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 1rem; }
.kb-card { position: relative; display: block; min-height: 210px; padding: 1.4rem; border: 1px solid var(--kb-border); border-radius: 14px; background: var(--kb-panel); color: var(--kb-text); text-decoration: none; transition: transform .15s, border-color .15s; }
.kb-card:hover { transform: translateY(-2px); border-color: var(--kb-accent); }
.kb-card h2 { margin: 1.5rem 0 .45rem; }
.kb-card p, .kb-card small { color: var(--kb-muted); }
.kb-card-counts { display: flex; flex-wrap: wrap; gap: .45rem; }
.kb-card-count, .kb-type { display: inline-block; padding: .2rem .55rem; border-radius: 999px; background: var(--kb-accent-dark); color: var(--kb-accent); font-size: .72rem; font-weight: 800; text-transform: uppercase; }
.kb-breadcrumb { display: flex; flex-wrap: wrap; gap: .55rem; margin-bottom: 1.5rem; color: var(--kb-muted); font-size: .9rem; }
.kb-breadcrumb a { color: var(--kb-accent); text-decoration: none; }
.kb-project-header { margin-bottom: 2rem; }
.kb-project-header code { color: var(--kb-muted); }
.kb-page-list { overflow: hidden; border: 1px solid var(--kb-border); border-radius: 14px; }
.kb-page-row { display: flex; justify-content: space-between; gap: 2rem; padding: 1.25rem 1.4rem; border-bottom: 1px solid var(--kb-border); background: var(--kb-panel); color: var(--kb-text); text-decoration: none; }
.kb-page-row:last-child { border-bottom: 0; }
.kb-page-row:hover { background: var(--kb-panel-strong); }
.kb-page-row h2 { margin: .55rem 0 .15rem; font-size: 1.15rem; }
.kb-page-row p { margin: 0; color: var(--kb-muted); }
.kb-page-meta { display: flex; flex-direction: column; align-items: end; min-width: 160px; color: var(--kb-muted); }
.kb-page-meta strong { color: var(--kb-accent); }
.kb-update-list { overflow: hidden; border: 1px solid var(--kb-border); border-radius: 14px; }
.kb-update-row { display: grid; grid-template-columns: minmax(180px, .65fr) minmax(260px, 1.4fr) minmax(190px, .6fr); gap: 1.5rem; padding: 1.35rem 1.5rem; border-bottom: 1px solid var(--kb-border); background: var(--kb-panel); color: var(--kb-text); text-decoration: none; }
.kb-update-row:last-child { border-bottom: 0; }
.kb-update-row:hover { background: var(--kb-panel-strong); }
.kb-update-heading h2 { margin: .55rem 0 .15rem; font-size: 1.1rem; }
.kb-update-heading p, .kb-update-excerpt { margin: 0; color: var(--kb-muted); }
.kb-update-excerpt { align-self: center; }
.kb-update-meta { display: flex; flex-direction: column; gap: .2rem; color: var(--kb-muted); }
.kb-update-meta strong { color: var(--kb-accent); }
.kb-page-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 1.5rem; align-items: start; }
.kb-document-header, .kb-markdown, .kb-document-footer, .kb-history { padding: 1.5rem; border: 1px solid var(--kb-border); background: var(--kb-panel); }
.kb-document-header { border-radius: 14px 14px 0 0; border-bottom: 0; }
.kb-document-header p, .kb-document-footer { color: var(--kb-muted); }
.kb-markdown { overflow-x: auto; overflow-wrap: anywhere; }
.kb-markdown h1, .kb-markdown h2, .kb-markdown h3 { margin-top: 1.5em; line-height: 1.2; }
.kb-markdown a { color: var(--kb-accent); }
.kb-markdown pre, .kb-markdown code { border-radius: 6px; background: #050b14; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.kb-markdown pre { max-width: 100%; overflow-x: auto; padding: 1rem; }
.kb-markdown code { padding: .12rem .3rem; }
.kb-markdown pre code { padding: 0; background: transparent; }
.kb-markdown table { width: 100%; margin: 1rem 0; border-collapse: collapse; }
.kb-markdown thead { background: var(--kb-panel-strong); }
.kb-markdown th, .kb-markdown td { padding: .65rem; border: 1px solid var(--kb-border); text-align: left; }
.kb-document-footer { border-radius: 0 0 14px 14px; border-top: 0; font-size: .85rem; }
.kb-history { border-radius: 14px; }
.kb-history h2 { margin-top: 0; font-size: 1rem; }
.kb-history a { display: flex; flex-direction: column; gap: .2rem; margin-bottom: .6rem; padding: .75rem; border: 1px solid var(--kb-border); border-radius: 8px; color: var(--kb-text); text-decoration: none; }
.kb-history a[aria-current="page"] { border-color: var(--kb-accent); background: var(--kb-accent-dark); }
.kb-history span, .kb-history small { color: var(--kb-muted); }
.kb-history-warning { display: inline-block; padding: .25rem .5rem; border-radius: 5px; background: #664b13; color: #ffe3a1; }
.kb-empty { padding: 2rem; border: 1px dashed var(--kb-border); border-radius: 12px; color: var(--kb-muted); text-align: center; }

@media (max-width: 850px) {
    .kb-hero, .kb-page-layout { grid-template-columns: 1fr; }
    .kb-page-row { flex-direction: column; }
    .kb-page-meta { align-items: start; }
    .kb-update-row { grid-template-columns: 1fr; gap: .8rem; }
}

@media (max-width: 560px) {
    .kb-topbar { padding: 0 1rem; }
    .kb-readonly { display: none; }
    .kb-shell { width: min(100% - 1rem, 1320px); padding-top: 1rem; }
    .kb-hero { padding: 1.25rem; }
}