.knowledge-dialog { width: min(640px, calc(100% - 32px)); color: var(--ink); }
.knowledge-header { position: sticky; top: -20px; margin-top: -20px; padding-top: 20px; z-index: 2; background: #fff; padding-bottom: 12px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.knowledge-header > div { min-width: 0; }
.knowledge-header > button { flex: 0 0 auto; }
.knowledge-section { margin-top: 18px; }
.knowledge-section h3 { font-size: 14px; margin: 0 0 8px; }
.knowledge-muted, .knowledge-status { color: #3f658c; font-size: 12px; line-height: 1.5; }
.knowledge-status { min-height: 18px; margin: 10px 0; overflow-wrap: anywhere; }
.knowledge-status.is-error { color: #a52a2a; }
.knowledge-progress { display: inline-flex; gap: 8px; align-items: center; }
.knowledge-progress::before { content: ''; width: 12px; height: 12px; flex-shrink: 0; border: 2px solid #c5e8ef; border-top-color: var(--teal-strong); border-radius: 50%; animation: knowledge-spin .8s linear infinite; }
@keyframes knowledge-spin { to { transform: rotate(360deg); } }
.knowledge-form { display: grid; gap: 8px; }
.knowledge-form label { display: grid; gap: 6px; font-size: 12px; font-weight: 600; }
.knowledge-form input:not([type=checkbox]), .knowledge-form textarea { box-sizing: border-box; width: 100%; min-width: 0; padding: 9px 10px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink); background: white; font: 13px var(--sans); }
.knowledge-form input[type=file] { padding: 9px 0; border: 0; }
.knowledge-form textarea { resize: vertical; min-height: 100px; max-height: 240px; }
.knowledge-form button, .knowledge-row button { width: fit-content; }
.knowledge-dialog button:disabled { opacity: .65; cursor: wait; }
.knowledge-list { display: grid; gap: 8px; max-height: 260px; overflow: auto; }
.knowledge-row { border: 1px solid var(--line); border-radius: 8px; padding: 10px; display: flex; gap: 12px; justify-content: space-between; align-items: center; }
.knowledge-row-info { min-width: 0; overflow-wrap: anywhere; }
.knowledge-row-info strong { font-size: 13px; }
.knowledge-row-actions { display: flex; flex-wrap: wrap; gap: 6px; flex-shrink: 0; }
.knowledge-excerpt { white-space: pre-wrap; overflow-wrap: anywhere; font: 12px/1.6 var(--sans); max-height: 180px; overflow: auto; margin: 8px 0 0; padding: 10px; background: #f6fbff; border-radius: 8px; }
.knowledge-sources { margin-top: 14px; padding: 12px; border: 1px solid var(--line); border-radius: 8px; font-size: 12px; line-height: 1.5; background: rgba(255,255,255,.9); }
.knowledge-sources > summary { font-weight: 700; cursor: pointer; color: var(--teal-ink); }
.knowledge-source { margin-top: 12px; overflow-wrap: anywhere; }
.knowledge-source > summary { cursor: pointer; font-weight: 600; }
.knowledge-use-row { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; color: #2d5175; font-size: 12px; margin: 8px 0 0; }
.knowledge-use-row span { color: #66788d; font-size: 11px; }
.knowledge-use-row input { accent-color: var(--teal-strong); }
.knowledge-preview { margin-top: 12px; }
@media (max-width: 520px) {
  .knowledge-dialog { padding: 16px; }
  .knowledge-header { top: -16px; margin-top: -16px; padding-top: 16px; }
  .knowledge-row { flex-direction: column; align-items: stretch; gap: 8px; }
  .knowledge-row-actions { flex-wrap: wrap; }
  .knowledge-use-row { align-items: flex-start; }
}