#tinBrainPanel { display: block; }
.brain-lab { padding: 24px 0; min-width: 0; }
.brain-lab-heading, .brain-lab-toolbar, .brain-lab-meta { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.brain-lab h2 { font: 650 22px var(--ui-font); margin: 0 0 8px; }
.brain-lab p, .brain-lab dl { font: 14px/1.6 var(--ui-font); color: var(--ink-dim); overflow-wrap: anywhere; }
.brain-activity { color: var(--ink-dim); font: 600 12px var(--ui-font); padding-left: 14px; position: relative; }
.brain-activity::before { content: ''; width: 6px; height: 6px; position: absolute; top: 5px; left: 0; border-radius: 50%; background: var(--ink-faint); }
.brain-activity.is-processing { color: var(--signal); }
.brain-activity.is-processing::before { background: var(--signal); }
.brain-evidence-flow { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 0; border-block: 1px solid var(--rule); margin: 24px 0 16px; }
.brain-evidence-flow > div { padding: 22px 16px; border-right: 1px solid var(--rule); display: grid; gap: 10px; }
.brain-evidence-flow > div:last-child { border-right: 0; }
.brain-evidence-flow span { color: var(--ink-dim); font: 13px var(--ui-font); }
.brain-evidence-flow strong { font: 600 32px var(--ui-font); color: var(--ink); }
.brain-lab-meta { justify-content: flex-start; color: var(--ink-faint); font: 12px var(--ui-font); }
.brain-lab-toolbar { border-bottom: 1px solid var(--rule); padding: 20px 0; }
.brain-lab-toolbar label { display: flex; gap: 12px; align-items: center; color: var(--ink-dim); font: 13px var(--ui-font); }
.brain-lab-toolbar select { max-width: 260px; padding: 8px; }
.brain-evidence-layout { display: grid; grid-template-columns: minmax(220px,.8fr) minmax(0,1.2fr); gap: 24px; padding-top: 24px; }
.brain-evidence-list { max-height: 480px; overflow: auto; display: flex; flex-direction: column; gap: 4px; }
.brain-evidence-node { border: 0; border-left: 2px solid var(--rule); padding: 12px; background: transparent; text-align: left; color: var(--ink-dim); font: 13px/1.5 var(--ui-font); overflow-wrap: anywhere; }
.brain-evidence-node[aria-pressed='true'] { border-left-color: var(--signal); color: var(--ink); background: var(--ui-selection); }
.brain-evidence-detail { border-left: 1px solid var(--rule); padding-left: 24px; min-width: 0; }
.brain-evidence-detail h3, .brain-profile-evidence h3 { font: 600 17px var(--ui-font); color: var(--ink); margin-top: 0; }
.brain-evidence-detail dl { display: grid; grid-template-columns: 140px minmax(0,1fr); gap: 8px; }
.brain-evidence-detail dd { margin: 0; }
.brain-evidence-detail li { color: var(--ink-dim); font: 13px/1.6 var(--ui-font); margin-bottom: 12px; overflow-wrap: anywhere; }
.brain-profile-evidence { margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--rule); }
.brain-preference-fields { display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px; }
.brain-profile-evidence label { display:grid;gap:8px;color:var(--ink-dim);font:13px var(--ui-font);margin-bottom:16px; }
.brain-profile-evidence :is(select,textarea) { padding:10px;width:100%; }
.brain-lab-error { color: var(--signal); }
.brain-map-section { margin-top:24px;border-block:1px solid var(--rule); }
.brain-map-heading { display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;padding-top:16px; }
.brain-map-heading h3 { margin:0;font:600 16px var(--ui-font);color:var(--ink); }
.brain-map-legend { display:flex;flex-wrap:wrap;gap:16px;align-items:center;font:12px var(--ui-font);color:var(--ink-dim); }
.brain-map-legend > span::before { content:'';display:inline-block;width:7px;height:7px;margin-right:7px;border-radius:50%;background:var(--ink-dim); }
.brain-map-legend > span:nth-child(2)::before { background:var(--signal); }
.brain-map-legend label { display:flex;align-items:center;gap:6px;white-space:nowrap;flex:0 0 auto;min-width:max-content; }
.brain-map-legend input[type='checkbox'] { width:14px;height:14px;min-width:14px;flex:0 0 14px;padding:0;margin:0; }
.brain-map { width:100%;height:320px;overflow:hidden; }
.brain-map svg { width:100%;height:100%;display:block; }
.brain-map-links path { stroke:color-mix(in srgb,var(--signal) 50%,var(--ink-dim));fill:none;stroke-width:1.2;opacity:.65; }
.brain-map-links path.is-selected { stroke:var(--signal);stroke-width:2;opacity:.9; }
.brain-map-hit { fill:transparent; }
.brain-map-dot { fill:var(--ink-dim); }
.brain-map-node.is-insight .brain-map-dot { fill:color-mix(in srgb,var(--signal) 80%,var(--ink)); }
.brain-map-node { cursor:pointer;outline:none; }
.brain-map-node:focus .brain-map-dot,.brain-map-node:hover .brain-map-dot { stroke:var(--ink);stroke-width:3; }
.brain-map-selection { fill:none;stroke:var(--signal);stroke-width:1; }
.brain-map-caption { margin:0 0 16px;font-size:12px!important; }
.brain-map-empty { height:100%;display:grid;place-items:center;margin:0; }
.brain-provenance { padding:12px 0;border-block:1px solid var(--rule); }
.brain-lab-toolbar input { min-width:0;width:190px;padding:8px; }
.brain-lab-toolbar label { white-space:nowrap; }
.brain-import { padding:16px 0;border-bottom:1px solid var(--rule);font:13px/1.5 var(--ui-font);color:var(--ink-dim); }
.brain-import summary { color:var(--ink);cursor:pointer; }
.brain-import label { display:grid;gap:8px;margin:16px 0; }
.brain-import textarea,.brain-import input { width:100%;min-width:0; }
.brain-import textarea { padding:10px; }
.brain-import ol { max-height:320px;overflow:auto;padding-left:24px; }
.brain-import li { margin-bottom:16px;overflow-wrap:anywhere; }
.brain-import small { overflow-wrap:anywhere; }
.brain-import [hidden] { display:none!important; }
.brain-project-learning { padding:18px 0;border-bottom:1px solid var(--rule);font:13px/1.5 var(--ui-font); }
.brain-project-heading,.brain-project-actions { display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px; }
.brain-project-heading h3 { margin:0;font:600 16px var(--ui-font); }
.brain-project-heading label { display:flex;align-items:center;gap:8px; }
.brain-project-heading input { flex:none;width:16px;height:16px; }
.brain-project-actions { margin:12px 0;color:var(--ink-dim); }
.brain-project-actions span { flex:1 1 220px;overflow-wrap:anywhere; }
.brain-project-actions button { flex:none; }
.brain-project-learning summary { cursor:pointer;color:var(--ink-dim); }
.brain-project-learning p { max-width:78ch;color:var(--ink-dim); }
.brain-project-learning ul { list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:8px 20px; }
.brain-project-learning li { display:flex;justify-content:space-between;gap:12px;overflow-wrap:anywhere; }
.brain-project-learning li span { color:var(--ink-dim); }
@keyframes brain-evidence-travel { to { stroke-dashoffset:-40; } }
@keyframes brain-evidence-enter { from { opacity:0; } to { opacity:1; } }
@media(prefers-reduced-motion:no-preference) {
  :root:not([data-motion='off']) [data-brain-visible='true']:not([data-map-motion='off']) .brain-map-links path { stroke-dasharray:3 9;animation:brain-evidence-travel 6s linear infinite; }
  :root:not([data-motion='off']) [data-brain-visible='true']:not([data-map-motion='off']) .brain-map svg { animation:brain-evidence-enter .16s ease-out; }
  :root:not([data-motion='off']) .brain-map-dot { transition:stroke-width .15s ease-out; }
}
@media(max-width:700px) {
  .brain-map { height:240px; }
  .brain-lab-toolbar { gap:12px;align-items:stretch; }
  .brain-lab-toolbar label { flex:1 1 140px;display:grid;gap:6px; }
  .brain-lab-toolbar :is(input,select) { width:100%;max-width:none; }
  .brain-evidence-detail dl { grid-template-columns:110px minmax(0,1fr); }
}
@media(max-width:400px) {
  .brain-evidence-flow { grid-template-columns:minmax(0,1fr); }
  .brain-evidence-flow > div { display:flex;justify-content:space-between;align-items:center;border-right:0;border-bottom:1px solid var(--rule); }
  .brain-evidence-flow > div:last-child { border-bottom:0; }
}

@keyframes tin-processing-indicator { 50% { opacity: .3; } }
@media (prefers-reduced-motion: no-preference) {
  :root:not([data-motion='off']) .brain-activity.is-processing::before { animation: tin-processing-indicator 1.4s ease-in-out infinite; }
  .brain-evidence-node { transition: border-color 140ms ease-out, background-color 140ms ease-out; }
}
@media (max-width: 700px) {
  .brain-evidence-layout { grid-template-columns: minmax(0,1fr); }
  .brain-evidence-list { max-height: 260px; }
  .brain-evidence-detail { border-left: 0; border-top: 1px solid var(--rule); padding: 20px 0 0; }
  .brain-evidence-flow > div { padding: 16px 8px; }
  .brain-evidence-flow strong { font-size: 26px; }
  .brain-lab-toolbar label { flex-wrap: wrap; }
}

/* Workspace layout and interaction states. */
#brain > .view-hero { min-height:0; padding:0 0 20px!important; background:transparent!important; border:0; border-bottom:1px solid var(--rule); border-radius:0!important; box-shadow:none; }
#brain > .view-hero .view-hero-copy { max-width:none; }
#brain > .view-hero h1 { font:650 26px/1.3 var(--ui-font); margin:0; }
#tinBrainPanel { padding:0; border:0; background:transparent; box-shadow:none; }
.brain-lab { padding:8px 0 24px; }
.brain-lab :is(button,input,select,textarea) { font-family:var(--ui-font); letter-spacing:0; }
.brain-lab button { display:inline-flex; align-items:center; justify-content:center; gap:8px; min-height:40px; }
.brain-lab button svg { width:16px; height:16px; flex:none; }
.brain-lab [hidden] { display:none!important; }
.brain-lab :is(button,input,select,textarea,summary):focus-visible { outline:2px solid var(--signal); outline-offset:3px; }
.brain-lab-heading { align-items:flex-start; gap:12px; }
.brain-lab-heading p { margin:0; flex:1 1 260px; max-width:75ch; }
.brain-activity { padding-top:4px; white-space:nowrap; }
.brain-activity::before { top:9px; }
.brain-evidence-flow { margin:20px 0 0; }
.brain-evidence-flow > div { padding:18px 20px; gap:6px; }
.brain-evidence-flow strong { font-variant-numeric:tabular-nums; font-size:30px; }
.brain-tabs { display:flex; gap:24px; border-bottom:1px solid var(--rule); margin-top:12px; }
.brain-tabs button { border:0; border-bottom:2px solid transparent; border-radius:0; background:transparent; color:var(--ink-dim); padding:14px 0; font-size:14px; font-weight:600; }
.brain-tabs button[aria-selected='true'] { color:var(--ink); border-bottom-color:var(--signal); }
.brain-lab-toolbar { display:grid; grid-template-columns:minmax(180px,1fr) repeat(3,minmax(110px,.45fr)); align-items:end; padding:20px 0 12px; gap:12px; border:0; }
.brain-lab-toolbar label { display:grid; gap:7px; min-width:0; font-size:12px; }
.brain-lab-toolbar :is(input,select) { width:100%; min-height:42px; max-width:none; margin:0; border-radius:6px; }
.brain-lab-meta { gap:8px 20px; margin:0 0 16px; color:var(--ink-dim); }
.brain-map-section { margin:0; }
.brain-map-section summary { cursor:pointer; padding:12px 0; font:500 13px var(--ui-font); color:var(--ink); }
.brain-map-section summary span { color:var(--ink-dim); font-size:12px; margin-left:10px; }
.brain-map-section:not([open]) :is(svg,path) { animation:none!important; }
.brain-evidence-layout { grid-template-columns:minmax(240px,.85fr) minmax(0,1.15fr); padding-top:20px; gap:24px; }
.brain-evidence-layout > div { min-width:0; }
.brain-evidence-list { max-height:600px; overscroll-behavior:contain; gap:0; padding-right:4px; }
.brain-evidence-list .brain-evidence-node { display:grid; flex:0 0 auto; justify-content:stretch; gap:6px; width:100%; min-height:100px; border-radius:0; border-bottom:1px solid var(--rule); border-left:2px solid transparent; padding:14px 12px; }
.brain-evidence-node:hover { background:var(--ui-selection); color:var(--ink); }
.brain-evidence-node[aria-pressed='true'] { border-left-color:var(--signal); }
.brain-node-meta { display:flex; justify-content:space-between; gap:8px; font-size:11px; color:var(--ink-dim); }
.brain-node-meta > span { color:var(--signal); }
.brain-node-meta time { flex:none; }
.brain-evidence-node strong { color:var(--ink); font-size:14px; font-weight:600; line-height:1.45; }
.brain-node-excerpt { font-size:13px; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.brain-evidence-detail { scroll-margin-top:90px; }
.brain-evidence-detail h3 { margin:16px 0 12px; font-size:21px; line-height:1.4; }
.brain-evidence-detail .brain-memory-text { color:var(--ink); font-size:15px; line-height:1.75; white-space:pre-wrap; }
.brain-detail-top { display:flex; align-items:center; justify-content:space-between; gap:12px; }
.brain-kind { color:var(--signal); font:600 12px var(--ui-font); }
.brain-tags { display:flex; flex-wrap:wrap; gap:6px 14px; font:12px var(--ui-font); color:var(--ink-dim); margin:16px 0; }
.brain-record-meta { padding:14px 0; border-block:1px solid var(--rule); margin-bottom:20px; }
.brain-lab summary { cursor:pointer; font:500 13px/1.5 var(--ui-font); }
.brain-record-meta dl { font-size:12px; }
.brain-detail-empty { padding:20px 0; max-width:40ch; }
.brain-evidence-detail .brain-back { display:none; }
.brain-more { margin-top:12px; width:100%; }
.brain-lab .brain-forget { color:var(--ink-dim); margin-top:16px; }
.brain-forget-confirm { border-top:1px solid var(--rule); padding:12px 0; margin-top:12px; }
.brain-forget-confirm button { margin:0 8px 8px 0; }
.brain-section-heading { display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:12px; }
.brain-lab .brain-section-heading :is(h2,h3) { margin:0; }
.brain-engine { padding:24px 0; border-bottom:1px solid var(--rule); }
.brain-engine h2,.brain-profile-evidence h2 { font-size:18px; }
.brain-engine dl { display:grid; grid-template-columns:170px minmax(0,1fr); gap:10px 16px; margin:20px 0; }
.brain-engine dd { margin:0; color:var(--ink); }
.brain-lab .brain-toggle,.brain-profile-evidence label:has(input[type='checkbox']) { display:flex; align-items:center; gap:10px; font-size:14px; }
.brain-lab input[type='checkbox'] { width:17px; height:17px; flex:none; margin:0; accent-color:var(--signal); }
.brain-lab .brain-profile-evidence { margin-top:0; padding:24px 0; border-top:0; border-bottom:1px solid var(--rule); }
.brain-profile-evidence p { white-space:pre-wrap; }
.brain-profile-evidence [data-brain-profile] { max-width:80ch; color:var(--ink); }
.brain-profile-evidence .brain-section-heading { margin-bottom:16px; }
.brain-retrieval summary { margin-bottom:14px; }
.brain-lab-error:not(:empty) { margin:20px 0 0; padding:12px 0 12px 14px; border-left:2px solid var(--signal); }
@media (prefers-reduced-motion:no-preference) {
  :root:not([data-motion='off']) [data-brain-page]:not([hidden]) { animation:brain-evidence-enter 180ms ease-out; }
  .brain-evidence-node { transition:background-color 150ms ease-out,border-color 150ms ease-out; }
}
@media(max-width:900px) {
  .brain-lab-toolbar { grid-template-columns:repeat(3,minmax(0,1fr)); }
  .brain-lab-toolbar label:first-child { grid-column:1/-1; }
}
@media(max-width:720px) {
  .brain-evidence-layout { grid-template-columns:minmax(0,1fr); gap:20px; }
  .brain-evidence-list { max-height:420px; }
  .brain-evidence-detail { border-left:0; border-top:1px solid var(--rule); padding:20px 0 0; }
  .brain-evidence-detail .brain-back { display:inline-flex; min-height:36px; font-size:12px; }
  .brain-tabs { gap:20px; }
  .brain-evidence-flow { grid-template-columns:repeat(3,minmax(0,1fr)); }
  .brain-evidence-flow > div { display:grid; padding:16px 8px; border-bottom:0; border-right:1px solid var(--rule); }
  .brain-evidence-flow strong { font-size:26px; }
  .brain-evidence-flow span { font-size:11px; }
  .brain-project-heading { align-items:flex-start; }
  .brain-section-heading button { justify-content:flex-start; }
}
@media(max-width:420px) {
  .brain-lab-toolbar { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .brain-lab-toolbar label:last-child { grid-column:1/-1; }
  .brain-engine dl,.brain-evidence-detail dl { grid-template-columns:minmax(0,1fr); gap:5px; }
  .brain-engine dd { margin-bottom:10px; }
  .brain-preference-fields { grid-template-columns:minmax(0,1fr); gap:0; }
  .brain-tabs { justify-content:space-between; gap:12px; }
  .brain-tabs button { font-size:13px; }
}