/* ── Conocimiento (/conocimiento): documentos con los que responde el asistente ─ */
.kb-page { max-width: 1040px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.kb-card { background: var(--gi-card); border: 1px solid var(--gi-border); border-radius: 12px; padding: 16px 18px; }
.kb-card h2 { margin: 0 0 4px; font-size: 1rem; font-weight: 700; color: var(--gi-fg); }
.kb-card .kb-sub { margin: 0 0 12px; font-size: .85rem; color: var(--gi-muted-fg); }

.kb-upload { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.kb-upload .kb-file { flex: 1; min-width: 240px; font-size: .9rem; }
.kb-upload .kb-formats { width: 100%; font-size: .78rem; color: var(--gi-muted-fg); }
.kb-msg { margin-top: 10px; font-size: .86rem; }
.kb-msg.err { color: var(--gi-danger, #b91c1c); }
.kb-msg.ok  { color: var(--gi-success, #047857); }

.kb-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.kb-table th { text-align: left; font-size: .72rem; text-transform: uppercase; letter-spacing: .04em;
               color: var(--gi-muted-fg); padding: 6px 8px; border-bottom: 1px solid var(--gi-border); }
.kb-table td { padding: 10px 8px; border-bottom: 1px solid var(--gi-border); vertical-align: middle; }
.kb-table tr:last-child td { border-bottom: none; }
.kb-title { font-weight: 600; color: var(--gi-fg); }
.kb-file-name { font-size: .76rem; color: var(--gi-muted-fg); }
.kb-num { text-align: right; white-space: nowrap; color: var(--gi-muted-fg); }
.kb-acts { display: flex; gap: 6px; justify-content: flex-end; white-space: nowrap; }
.kb-act { border: 1px solid var(--gi-border); background: transparent; color: var(--gi-fg); border-radius: 8px;
          padding: 4px 9px; font-size: .78rem; cursor: pointer; }
.kb-act:hover { background: var(--gi-muted); }
.kb-act.danger { color: var(--gi-danger, #b91c1c); border-color: rgba(185, 28, 28, .35); }

.kb-badge { display: inline-flex; align-items: center; gap: 5px; font-size: .72rem; font-weight: 600;
            padding: 2px 8px; border-radius: 999px; white-space: nowrap; }
.kb-badge.pending    { background: var(--gi-muted); color: var(--gi-muted-fg); }
.kb-badge.processing { background: rgba(245, 158, 11, .14); color: #b45309; }
.kb-badge.ready      { background: rgba(16, 185, 129, .14); color: #047857; }
.kb-badge.error      { background: rgba(239, 68, 68, .12); color: #b91c1c; }
.kb-badge .loading-spinner { width: 10px; height: 10px; border-width: 2px; }
.kb-error-text { font-size: .76rem; color: #b91c1c; margin-top: 2px; }

.kb-empty { text-align: center; padding: 28px 12px; color: var(--gi-muted-fg); font-size: .9rem; }
.kb-empty i { font-size: 1.8rem; display: block; margin-bottom: 8px; opacity: .6; }

.kb-search { display: flex; gap: 8px; }
.kb-search input { flex: 1; }
.kb-hit { border: 1px dashed var(--gi-border); border-radius: 10px; padding: 10px 12px; margin-top: 10px; }
.kb-hit-head { display: flex; gap: 8px; align-items: baseline; font-size: .78rem; color: var(--gi-muted-fg); margin-bottom: 4px; }
.kb-hit-head b { color: var(--gi-fg); }
.kb-hit-score { margin-left: auto; font-variant-numeric: tabular-nums; }
.kb-hit-text { font-size: .86rem; white-space: pre-wrap; color: var(--gi-fg); max-height: 9em; overflow: hidden; }

.kb-return { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: 12px;
             background: var(--brand-subtle, rgba(224, 113, 78, .1)); border: 1px solid var(--gi-border); font-size: .9rem; }
.kb-return .btn { margin-left: auto; }
.kb-na { text-align: center; padding: 40px 20px; }
.kb-na i { font-size: 2.2rem; color: var(--gi-muted-fg); display: block; margin-bottom: 10px; }
.kb-stats { display: flex; gap: 16px; flex-wrap: wrap; font-size: .82rem; color: var(--gi-muted-fg); }
.kb-stats b { color: var(--gi-fg); }
@media (max-width: 720px) {
  .kb-table th:nth-child(3), .kb-table td:nth-child(3), .kb-table th:nth-child(4), .kb-table td:nth-child(4) { display: none; }
}

/* ── Panel de documentos dentro de la card "Base de conocimiento" (Studio/taller) ── */
.ss2-kb { margin-top: 8px; padding: 10px 12px; border: 1px dashed var(--gi-border); border-radius: 10px;
          font-size: .82rem; display: flex; flex-direction: column; gap: 8px; cursor: default; color: var(--gi-fg); }
.ss2-kb-line { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.ss2-kb-line .ok   { color: #047857; }
.ss2-kb-line .warn { color: #b45309; }
.ss2-kb-line.muted { color: var(--gi-muted-fg); }
.ss2-kb-line.err   { color: #b91c1c; }
.ss2-kb-line.ok    { color: #047857; }
.ss2-kb-link { margin-left: auto; font-weight: 600; white-space: nowrap; }
.ss2-kb-docs { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.ss2-kb-docs li { display: flex; justify-content: space-between; gap: 8px; align-items: center; }
.ss2-kb-doc-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ss2-kb-upload { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.ss2-kb-file { font-size: .8rem; max-width: 260px; }