/* Athena Brain (views/brain.js): the workspace's memory, notes beside a list, and the graph. Tokens only. */
.br { display: grid; gap: 16px; }
.br-top { display: grid; gap: 12px; }
.br-kpis { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; }
.br-kpi { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; display: grid; gap: 2px; }
.br-kpi b { font-size: 24px; font-weight: 600; letter-spacing: -.02em; color: var(--text); }
.br-kpi small { color: var(--text-3); font-size: 12px; }
.br-kpi.is-team b { color: var(--accent-ink); }
.br-last b { font-size: 16px; padding-top: 6px; }
.br-ask { display: flex; align-items: center; gap: 8px; background: linear-gradient(135deg, var(--surface), var(--surface-2)); border: 1px solid var(--line); border-radius: 14px; padding: 8px 8px 8px 14px; box-shadow: var(--shadow); }
.br-ask > span { color: var(--accent-ink); display: flex; }
.br-ask .input { flex: 1; border: 0; background: transparent; box-shadow: none; font-size: 14px; }
.br-ans { padding: 14px 16px; display: grid; gap: 8px; }
.br-ans-h { display: flex; align-items: center; gap: 8px; color: var(--accent-ink); }
.br-ans-h b { color: var(--text); flex: 1; }
.br-x { border: 0; background: none; color: var(--text-3); cursor: pointer; }
.br-ans ol, .br-read ol { margin: 0; padding-left: 20px; display: grid; gap: 6px; line-height: 1.55; }
.br-ans details summary { cursor: pointer; color: var(--text-2); font-size: 13px; }
.br-ans-m { list-style: none; padding: 6px 0 0; margin: 0; display: grid; gap: 6px; font-size: 13px; color: var(--text-2); }
.br-cite { border: 1px solid var(--line); background: var(--surface-2); color: var(--accent-ink); border-radius: 999px; font: 600 10.5px var(--font-mono); padding: 1px 7px; cursor: pointer; vertical-align: 1px; }
.br-cite:hover { background: var(--accent-soft); }

.br-tabs { display: flex; gap: 6px; }
.br-tabs button { border: 1px solid var(--line); background: var(--surface); color: var(--text-2); border-radius: 999px; padding: 6px 14px; display: inline-flex; gap: 6px; align-items: center; cursor: pointer; font-size: 13px; }
.br-tabs button.on { background: var(--primary); color: var(--on-primary); border-color: var(--primary); }

.br-body { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 16px; align-items: start; }
.br-list { padding: 10px; display: grid; gap: 8px; position: sticky; top: 72px; max-height: calc(100vh - 96px); overflow: auto; }
.br-kinds { display: flex; flex-wrap: wrap; gap: 4px; }
.br-kinds button { border: 1px solid var(--line); background: var(--surface); color: var(--text-2); border-radius: 999px; padding: 3px 9px; font-size: 11.5px; cursor: pointer; }
.br-kinds button.on { border-color: var(--accent); color: var(--accent-ink); background: var(--accent-soft); }
.br-group h4 { margin: 8px 4px 4px; font-size: 12px; color: var(--text-3); font-weight: 600; display: flex; align-items: center; gap: 6px; }
.br-group h4 i { font-style: normal; margin-left: auto; }
.br-item { width: 100%; display: flex; align-items: center; gap: 8px; border: 0; background: none; text-align: left; padding: 6px 8px; border-radius: 10px; cursor: pointer; color: var(--text); }
.br-item:hover { background: var(--surface-2); }
.br-item.on { background: var(--primary-soft); }
.br-item .br-n { flex: 1; min-width: 0; display: grid; }
.br-item .br-n b { font-weight: 500; font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.br-item .br-n small { color: var(--text-3); font-size: 11px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.br-item em { font-style: normal; font-size: 10px; color: var(--accent-ink); border: 1px solid var(--accent); border-radius: 999px; padding: 0 6px; }
.br-item i { font-style: normal; font-size: 11px; color: var(--text-3); font-family: var(--font-mono); }
.br-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--c); flex: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--c) 18%, transparent); }
.br-more { color: var(--text-3); font-size: 12px; margin: 4px 8px; }
.br-addent { justify-self: start; }
.br-newent { padding: 10px; display: grid; gap: 6px; }
.br-newent h4 { margin: 0; font-size: 13px; }
.br-newent div { display: flex; gap: 6px; justify-content: flex-end; }
.br-empty { padding: 48px; text-align: center; color: var(--text-3); display: grid; justify-items: center; gap: 8px; }

.br-card { padding: 0; overflow: hidden; }
.br-head { display: flex; gap: 14px; align-items: flex-start; padding: 18px 20px; background: linear-gradient(135deg, color-mix(in srgb, var(--tone) 12%, var(--surface)), var(--surface)); border-bottom: 1px solid var(--line); }
.br-head > div { flex: 1; min-width: 0; }
.br-head small { color: var(--text-3); font-size: 12px; }
.br-head h2 { margin: 2px 0 8px; font-size: 24px; letter-spacing: -.02em; }
.br-badge { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; color: var(--tone); background: color-mix(in srgb, var(--tone) 14%, var(--surface)); border: 1px solid color-mix(in srgb, var(--tone) 30%, transparent); flex: none; }
.br-aliases { display: flex; flex-wrap: wrap; gap: 4px; }
.br-aliases span { font-size: 11.5px; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 1px 8px; color: var(--text-2); }
.br-alias-add { font-size: 11px; border: 1px dashed var(--line-2); background: none; border-radius: 999px; padding: 1px 8px; color: var(--text-3); cursor: pointer; display: inline-flex; gap: 3px; align-items: center; }
.br-note-file { display: grid; text-align: right; gap: 2px; }
.br-note-file code { font-size: 11px; color: var(--text-2); }
.br-card section { padding: 16px 20px; border-bottom: 1px solid var(--line); }
.br-card section:last-child { border-bottom: 0; }
.br-card h3 { margin: 0 0 10px; font-size: 14px; display: flex; align-items: center; gap: 6px; }
.br-read { background: color-mix(in srgb, var(--accent) 5%, var(--surface)); }
.br-read-h { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.br-read-h h3 { margin: 0; color: var(--accent-ink); }
.br-read-h span { color: var(--text-3); font-size: 12px; flex: 1; }
.br-days { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(220px, 1fr); gap: 10px; overflow-x: auto; padding-bottom: 4px; }
.br-day { border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; background: var(--surface-2); }
.br-day b { font-size: 12px; color: var(--text-2); }
.br-day p { margin: 4px 0 0; font-size: 12.5px; line-height: 1.5; color: var(--text); }
.br-links > div { display: flex; flex-wrap: wrap; gap: 6px; }
.br-link { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 4px 10px; font-size: 12.5px; color: var(--text-2); cursor: pointer; }
.br-link:hover { border-color: var(--accent); }
.br-link b { color: var(--text); font-weight: 500; }
.br-mems-h { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 10px; }
.br-mems-h h3 { margin: 0; }
.br-mk { display: flex; flex-wrap: wrap; gap: 4px; }
.br-mk button { border: 1px solid var(--line); background: var(--surface); color: var(--text-2); border-radius: 999px; padding: 2px 9px; font-size: 11.5px; cursor: pointer; }
.br-mk button.on { background: var(--primary); color: var(--on-primary); border-color: var(--primary); }
.br-mk i { font-style: normal; opacity: .7; }
.br-add { display: grid; grid-template-columns: 140px minmax(0, 1fr) 200px auto; gap: 6px; margin-bottom: 12px; }
.br-timeline { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.br-m { display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 12px; padding: 10px 6px; border-radius: 10px; transition: background .4s; }
.br-m + .br-m { border-top: 1px solid var(--line); }
.br-m.flash { background: var(--accent-soft); }
.br-m-day { color: var(--text-3); font-size: 12px; padding-top: 2px; }
.br-m p { margin: 4px 0; line-height: 1.5; font-size: 13.5px; }
.br-m-tags { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.br-m-tags code { margin-left: auto; font-size: 10.5px; color: var(--text-3); }
.br-kind { font-size: 11px; font-weight: 600; color: var(--text-2); }
.br-src { font-size: 10.5px; border-radius: 999px; padding: 1px 7px; border: 1px solid var(--line); color: var(--text-3); }
.br-src.is-team { color: var(--accent-ink); border-color: var(--accent); background: var(--accent-soft); }
.br-src.is-rec { color: var(--text-2); }
.br-src.is-ai { border-style: dashed; }
.br-m-act { display: flex; gap: 10px; font-size: 12px; }
.br-m-act a, .br-m-act button { color: var(--text-3); background: none; border: 0; padding: 0; cursor: pointer; display: inline-flex; align-items: center; gap: 3px; font-size: 12px; }
.br-m-act a:hover, .br-m-act button:hover { color: var(--text); }
.br-m.k-standing .br-kind { color: var(--primary); }
.br-m.k-note .br-kind, .br-m.k-correction .br-kind { color: var(--accent-ink); }

.br-graph { padding: 12px 14px; }
.br-graph-h { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; margin-bottom: 6px; font-size: 13px; }
.br-graph-h span { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; color: var(--text-2); font-size: 12px; }
.br-graph-h span i { width: 9px; height: 9px; border-radius: 50%; background: var(--c); display: inline-block; margin-right: -6px; }
.br-graph-h small { color: var(--text-3); }
.br-svg { width: 100%; height: auto; display: block; background: radial-gradient(ellipse at center, var(--surface-2), var(--surface)); border-radius: 12px; }
.br-edge { stroke: var(--line-2); stroke-width: 1; opacity: .8; }
.br-edge.rival { stroke: var(--danger); stroke-dasharray: 4 3; opacity: .6; }
.br-node { cursor: pointer; }
.br-node circle { fill: var(--c); stroke: var(--surface); stroke-width: 2; filter: drop-shadow(0 1px 2px rgba(0,0,0,.18)); transition: r .2s; }
.br-node.ours circle { stroke: var(--accent); stroke-width: 3; }
.br-node:hover circle { stroke: var(--text); }
.br-node text { font-size: 11px; fill: var(--text-2); text-anchor: middle; paint-order: stroke; stroke: var(--surface); stroke-width: 3px; }

@media (max-width: 1100px) { .br-kpis { grid-template-columns: repeat(3, 1fr); } .br-body { grid-template-columns: 1fr; } .br-list { position: static; max-height: 360px; } .br-add { grid-template-columns: 1fr; } }
@media (max-width: 640px) { .br-kpis { grid-template-columns: repeat(2, 1fr); } .br-head { flex-wrap: wrap; } .br-m { grid-template-columns: 1fr; gap: 2px; } }