.hub { max-width: 1040px; margin: 16px auto 48px; padding: 24px; border-top: 1px solid var(--bn-border-strong); }
.co-hub-entry { max-width: 1040px; margin: 16px auto 36px; border: 1px solid var(--bn-border-strong); border-radius: var(--bn-r-lg); background: var(--bn-bg-surface-1); }
.co-hub-entry__summary { display: flex; align-items: center; gap: 18px; padding: 24px; cursor: pointer; list-style: none; }
.co-hub-entry__summary::-webkit-details-marker { display: none; }
.co-hub-entry__summary:focus-visible, .co-hub-entry a:focus-visible { outline: 2px solid var(--bn-accent-strong); outline-offset: 4px; }
.co-hub-entry__icon { display: grid; place-items: center; width: 56px; height: 56px; flex-shrink: 0; border-radius: var(--bn-r-md); background: var(--bn-accent-soft); color: var(--bn-accent-bright); }
.co-hub-entry__body { flex: 1; min-width: 0; }
.co-hub-entry__title { display: block; font: 600 20px/1.3 var(--bn-font-display); color: var(--bn-ink-primary); }
.co-hub-entry__description { display: block; margin-top: 5px; max-width: 55ch; font-size: 13px; line-height: 1.6; color: var(--bn-ink-secondary); }
.co-hub-entry__status { font-size: 12px; font-weight: 600; color: var(--bn-ink-secondary); white-space: nowrap; }
.co-hub-entry__status[data-state="connected"] { color: var(--bn-success); }
.co-hub-entry__action { display: flex; gap: 10px; align-items: center; font-size: 13px; font-weight: 600; white-space: nowrap; }
.co-hub-entry__close { display: none; }
.co-hub-entry[open] .co-hub-entry__open { display: none; }
.co-hub-entry[open] .co-hub-entry__close { display: inline; }
.co-hub-entry[open] .co-hub-entry__action > :last-child { transform: rotate(180deg); }
.co-hub-entry__intro { padding: 0 24px 8px; }
.co-hub-entry__intro p { color: var(--bn-ink-secondary); font-size: 14px; line-height: 1.6; max-width: 80ch; }
.co-hub-entry__intro nav { display: flex; flex-wrap: wrap; gap: 12px 24px; }
.co-hub-entry__intro a { display: inline-flex; align-items: center; min-height: 44px; font-size: 14px; color: var(--bn-ink-primary); text-underline-offset: 4px; }
.co-hub-entry .hub { margin: 0; padding: 24px; }
.co-hub-entry :is(#hubTitle, #knowledgeTitle) { scroll-margin-top: 90px; }
@media (max-width: 720px) {
  .co-hub-entry { margin-inline: 16px; }
  .co-hub-entry__summary { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 12px; padding: 18px; }
  .co-hub-entry__icon { width: 44px; height: 44px; align-self: start; }
  .co-hub-entry__status, .co-hub-entry__action { grid-column: 2; }
  .co-hub-entry__intro, .co-hub-entry .hub { padding-inline: 18px; }
}
.hub [hidden] { display: none !important; }
.hub-heading { display: flex; align-items: start; justify-content: space-between; gap: 20px; }
.hub h2 { font: 600 24px/1.2 var(--bn-font-display); margin: 0 0 8px; }
.hub h3 { font-size: 16px; margin: 0 0 16px; }
.hub p { color: var(--bn-ink-secondary); line-height: 1.6; max-width: 72ch; }
.hub-heading p { margin: 0 0 20px; }
.hub-layout { display: grid; grid-template-columns: minmax(220px, 280px) minmax(0, 1fr); gap: 32px; margin-top: 24px; }
.hub-worker { background: var(--bn-bg-surface-1); padding: 20px; border-radius: var(--bn-r-md); }
.hub-worker ul { list-style: none; padding: 0; margin: 0; }
.hub-worker li { padding-bottom: 12px; overflow-wrap: anywhere; }
.hub-worker strong, .hub-worker small { display: block; }
.hub-worker small { color: var(--bn-ink-secondary); margin-top: 5px; }
.hub-worker form { display: grid; gap: 10px; margin-top: 24px; }
.hub-worker label { font-weight: 600; font-size: 14px; }
.hub-worker select { width: 100%; min-width: 0; }
.hub-table-wrap { overflow-x: auto; }
.hub table { width: 100%; border-collapse: collapse; text-align: left; font-size: 14px; }
.hub th { font-size: 13px; color: var(--bn-ink-secondary); font-weight: 500; }
.hub th, .hub td { padding: 12px 8px; border-bottom: 1px solid var(--bn-border); vertical-align: top; }
.hub th:first-child, .hub td:first-child { padding-left: 0; }
.hub td:first-child { overflow-wrap: anywhere; max-width: 220px; }
.hub td small { display: block; margin-top: 5px; color: var(--bn-ink-secondary); }
.hub .hub-state { font-weight: 600; }
.hub .hub-state[data-state="succeeded"], .hub .hub-state[data-state="ready"] { color: var(--bn-success); }
.hub .hub-state[data-state="recovery_required"], .hub .hub-state[data-state="failed"] { color: var(--bn-danger); }
.hub button, .hub select, .hub a { min-height: 44px; }
.hub :is(button, select, a):focus-visible { outline: 2px solid var(--bn-accent-strong); outline-offset: 3px; }
.hub button:disabled { opacity: .55; cursor: default; }
.hub-sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.hub-knowledge-list { margin-top: 20px; }
.hub-knowledge-list article { border-bottom: 1px solid var(--bn-border); padding: 16px 0; overflow-wrap: anywhere; }
.hub-knowledge-list h3 { margin-bottom: 6px; }
.hub-knowledge-list p { margin: 8px 0; }
.hub-knowledge-list small { color: var(--bn-ink-secondary); }
#knowledgeForm { margin-top: 28px; max-width: 720px; }
#knowledgeFields { border: 0; padding: 0; margin: 20px 0; display: grid; gap: 10px; min-width: 0; }
#knowledgeFields label { font-size: 14px; font-weight: 600; }
#knowledgeFields .bn-input { width: 100%; min-width: 0; margin-bottom: 8px; }
#knowledgeFields textarea { resize: vertical; line-height: 1.5; }
.hub-knowledge-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hub :is(input, textarea):focus-visible { outline: 2px solid var(--bn-accent-strong); outline-offset: 3px; }
@media (max-width: 700px) {
  .hub { padding: 20px 16px; }
  .hub-layout { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .hub table { font-size: 13px; }
  .hub td .bn-btn { padding: 8px; }
}