/* Knowledge base tree and graph.
   Split out of console.css; see channel/web/README.md for the
   load order, which is load-bearing. */

/* ============================================================
   Knowledge View
   ============================================================ */

/* Tab toggle */
.knowledge-tab, .memory-tab, .config-tab {
    color: #64748b;
}
.knowledge-tab.active, .memory-tab.active, .config-tab.active {
    background: #fff;
    color: #334155;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.dark .knowledge-tab.active, .dark .memory-tab.active, .dark .config-tab.active {
    background: rgba(255,255,255,0.1);
    color: #e2e8f0;
}

/* File tree */
.knowledge-tree-group {
    margin-bottom: 2px;
}
.knowledge-tree-group-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    width: 100%;
    padding: 6px 8px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    color: #64748b;
    cursor: pointer;
    border: none;
    background: none;
    transition: background 0.15s, color 0.15s;
    text-transform: capitalize;
}
.knowledge-tree-group-btn:hover {
    background: rgba(0,0,0,0.04);
    color: #334155;
}
.dark .knowledge-tree-group-btn:hover {
    background: rgba(255,255,255,0.06);
    color: #e2e8f0;
}
.knowledge-tree-group-btn i.chevron {
    font-size: 8px;
    transition: transform 0.15s;
}
.knowledge-tree-group.open > .knowledge-tree-group-btn .chevron {
    transform: rotate(90deg);
}
.knowledge-tree-group-items {
    display: none;
}
.knowledge-tree-group.open > .knowledge-tree-group-items {
    display: block;
}

.knowledge-tree-file {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 8px 5px 24px;
    border-radius: 6px;
    font-size: 12px;
    color: #64748b;
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.knowledge-tree-file:hover {
    background: rgba(0,0,0,0.04);
    color: #334155;
}
.knowledge-tree-file.active {
    background: #EDFDF3;
    color: #228547;
}

.knowledge-actions {
    display: flex;
    gap: 2px;
    margin-left: auto;
    opacity: 0;
    transition: opacity 0.15s;
}
.knowledge-tree-file:hover .knowledge-actions,
.knowledge-tree-group-btn:hover .knowledge-actions,
.knowledge-tree-file:focus-within .knowledge-actions,
.knowledge-tree-group-btn:focus-within .knowledge-actions {
    opacity: 1;
}
.knowledge-action {
    padding: 3px 5px;
    border-radius: 5px;
    color: #94a3b8;
    font-size: 9px;
}
.knowledge-action:hover {
    color: #228547;
    background: rgba(34, 133, 71, 0.08);
}
.knowledge-action.danger:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.08);
}
.dark .knowledge-tree-file:hover {
    background: rgba(255,255,255,0.06);
    color: #e2e8f0;
}
.dark .knowledge-tree-file.active {
    background: rgba(74, 190, 110, 0.1);
    color: #4ABE6E;
}
.knowledge-import-drag-over {
    outline: 2px dashed rgba(74, 190, 110, 0.55);
    outline-offset: 4px;
    border-radius: 14px;
}
#knowledge-dialog-card.knowledge-document-dialog {
    max-width: 760px;
}
#knowledge-document-content {
    min-height: 320px;
    line-height: 1.55;
}

/* Graph legend */
.knowledge-graph-legend {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 11px;
    color: #64748b;
    z-index: 10;
}
.knowledge-graph-legend-item {
    display: flex;
    align-items: center;
    gap: 4px;
}
.knowledge-graph-legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

/* Graph tooltip */
.knowledge-graph-tooltip {
    position: absolute;
    padding: 6px 10px;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 12px;
    color: #334155;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s;
    z-index: 20;
}
.dark .knowledge-graph-tooltip {
    background: #1A1A1A;
    border-color: rgba(255,255,255,0.1);
    color: #e2e8f0;
}

/* Graph node label — the halo keeps it readable where links and nodes crowd */
.knowledge-graph-label {
    fill: #475569;
    paint-order: stroke;
    stroke: rgba(255,255,255,0.9);
    stroke-width: 3px;
    stroke-linejoin: round;
}
.dark .knowledge-graph-label {
    fill: #cbd5e1;
    stroke: rgba(26,26,26,0.9);
}