:root {
  --bg: #f6f7f9; --surface: #ffffff; --text: #16181d; --muted: #646b78; --border: #e1e4ea;
  --accent: #4f5bd5; --accent-text: #ffffff; --ok: #1f9d6b; --run: #c98a12; --err: #d14343; --wait: #9aa1ad;
  --edge: #b8bec9; --code: #f0f2f5;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1115; --surface: #181b21; --text: #e8eaee; --muted: #9aa1ad; --border: #2a2f38;
    --accent: #7c86ff; --accent-text: #0f1115; --ok: #34c88a; --run: #f0b43c; --err: #ff6b6b; --wait: #6b7280;
    --edge: #4a515e; --code: #22262e;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0f1115; --surface: #181b21; --text: #e8eaee; --muted: #9aa1ad; --border: #2a2f38;
  --accent: #7c86ff; --accent-text: #0f1115; --ok: #34c88a; --run: #f0b43c; --err: #ff6b6b; --wait: #6b7280;
  --edge: #4a515e; --code: #22262e;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--text); font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--err); min-height: 1.2em; }
button { font: inherit; cursor: pointer; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }

.screen { min-height: 100%; display: grid; place-items: center; padding: 16px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 20px; }
.login { width: min(380px, 100%); display: grid; gap: 12px; }
.login h1 { margin: 0; }
input, textarea, select {
  width: 100%; font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px;
}
button[type="submit"], #send { background: var(--accent); color: var(--accent-text); border: 0; border-radius: 10px; padding: 10px 14px; font-weight: 600; }

#app { height: 100%; display: flex; flex-direction: column; }
header {
  display: flex; align-items: center; gap: 8px; padding: 10px 16px; padding-top: max(10px, env(safe-area-inset-top));
  background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5;
}
header h1 { font-size: 17px; margin: 0; flex: 1; }
.icon-btn { background: none; border: 0; color: var(--text); font-size: 20px; width: 36px; height: 36px; border-radius: 8px; }
.icon-btn:hover { background: var(--bg); }
.pill { font-size: 12px; padding: 2px 8px; border-radius: 99px; background: var(--run); color: #000; }
.link { background: none; border: 0; color: var(--muted); text-decoration: underline; padding: 12px 0; }

#sidebar {
  position: fixed; inset: 0 auto 0 0; width: min(320px, 88vw); background: var(--surface); border-right: 1px solid var(--border);
  transform: translateX(-100%); transition: transform .2s; z-index: 10; padding: 12px 16px; overflow-y: auto;
  padding-top: max(12px, env(safe-area-inset-top));
}
#sidebar.open { transform: none; box-shadow: 0 0 40px rgba(0,0,0,.3); }
.side-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
#engines { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0 12px; }
.engine { font-size: 12px; padding: 2px 8px; border-radius: 99px; border: 1px solid var(--border); }
.engine.on::before { content: "● "; color: var(--ok); }
.engine.off::before { content: "● "; color: var(--wait); }
#run-list { list-style: none; padding: 0; margin: 0; }
#run-list li { padding: 10px 8px; border-radius: 8px; cursor: pointer; border-bottom: 1px solid var(--border); }
#run-list li:hover { background: var(--bg); }
#run-list .who { font-size: 12px; color: var(--muted); }
#run-list .msg { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

main { flex: 1; overflow-y: auto; width: 100%; max-width: 860px; margin: 0 auto; padding: 16px 16px 0; display: flex; flex-direction: column; gap: 16px; }
#thread { display: flex; flex-direction: column; gap: 16px; }
#thread:empty { display: none; }

.empty h2 { font-size: 18px; margin: 4px 0 12px; }
.group-title { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 14px 0 6px; }
.agents { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.agent-card { text-align: left; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 10px 12px; color: var(--text); }
.agent-card:hover, .agent-card.selected { border-color: var(--accent); }
.agent-card .name { font-weight: 600; }
.agent-card .desc { font-size: 12px; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.agent-card .tag { font-size: 11px; color: var(--accent); }

.turn { display: flex; flex-direction: column; gap: 10px; }
.bubble-user { align-self: flex-end; max-width: 85%; background: var(--accent); color: var(--accent-text); padding: 10px 14px; border-radius: 16px 16px 4px 16px; white-space: pre-wrap; }
.run-card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; }
.run-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 10px 14px; border-bottom: 1px solid var(--border); font-size: 13px; }
.status { font-size: 12px; font-weight: 600; }
.status.running { color: var(--run); } .status.done { color: var(--ok); } .status.error { color: var(--err); }
/* Neural network view: always a dark "space" panel so the glow reads, in light or dark mode */
.graph {
  --space: #070b16; --space-2: #0e1730; --ink: #e6ecff; --ink-dim: #8b97b8; --syn: #2b3a63;
  --c-input: #67e8f9; --c-answer: #fcd34d; --c-manager: #c084fc; --c-claude: #fb923c; --c-codex: #4ade80; --c-other: #60a5fa;
  --s-think: #a78bfa; --s-search: #22d3ee; --s-read: #2dd4bf; --s-write: #fbbf24; --s-tool: #f97316; --s-plan: #f472b6; --s-error: #f87171;
  padding: 10px 8px 8px; border-bottom: 1px solid var(--border);
  background: radial-gradient(120% 80% at 50% 0%, var(--space-2), var(--space) 70%);
}
.graph svg { width: 100%; height: auto; display: block; overflow: visible; }
.synapse { fill: none; stroke: var(--syn); stroke-width: 1.6; }
.synapse.done { stroke: #3d5291; }
.synapse.running { stroke: #4a5fa8; }
.signal { fill: none; stroke: #c7d2ff; stroke-width: 2.4; stroke-linecap: round; stroke-dasharray: 3 22; animation: signal 1.4s linear infinite; filter: drop-shadow(0 0 3px #a5b4fc); }
@keyframes signal { to { stroke-dashoffset: -25; } }

.neuron { cursor: pointer; --c: var(--c-other); }
.neuron.k-input { --c: var(--c-input); } .neuron.k-answer { --c: var(--c-answer); } .neuron.k-manager { --c: var(--c-manager); }
.neuron.k-claude { --c: var(--c-claude); } .neuron.k-codex { --c: var(--c-codex); }
.neuron .body { fill: color-mix(in srgb, var(--c) 22%, var(--space)); stroke: var(--c); stroke-width: 2; }
.neuron .core { fill: var(--c); opacity: .9; }
.neuron.pending { opacity: .4; } .neuron.pending .body { stroke-dasharray: 3 3; }
.neuron.error .body { stroke: var(--s-error); } .neuron.error .core { fill: var(--s-error); }
.neuron.running .core { animation: beat 1s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
.neuron .halo { fill: none; stroke: var(--c); stroke-width: 2; transform-box: fill-box; transform-origin: center; animation: halo 1.6s ease-out infinite; }
@keyframes halo { from { transform: scale(1); opacity: .8; } to { transform: scale(2.3); opacity: 0; } }
@keyframes beat { 50% { transform: scale(1.35); opacity: 1; } }
.neuron:hover .body, .neuron:focus-visible .body { stroke-width: 3; }
.neuron:focus { outline: none; }
.neuron .label { fill: var(--ink); font-size: 12px; font-weight: 600; text-anchor: middle; }
.neuron .sub { fill: var(--ink-dim); font-size: 10px; text-anchor: middle; }
.neuron .more { fill: var(--ink-dim); font-size: 10px; }
.dendrite { stroke: var(--syn); stroke-width: 1; }

.step { --s: var(--s-tool); fill: var(--s); stroke: var(--space); stroke-width: 1.2; cursor: pointer; filter: drop-shadow(0 0 2.5px var(--s)); }
.step.t-think, .legend .t-think { --s: var(--s-think); } .step.t-search, .legend .t-search { --s: var(--s-search); }
.step.t-read, .legend .t-read { --s: var(--s-read); } .step.t-write, .legend .t-write { --s: var(--s-write); }
.step.t-tool, .legend .t-tool { --s: var(--s-tool); } .step.t-plan { --s: var(--s-plan); } .step.t-error { --s: var(--s-error); }
.step.running { animation: blink 1s ease-in-out infinite; }
.step:hover { stroke: #fff; }
@keyframes blink { 50% { opacity: .25; } }

.legend { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 12px; margin-top: 6px; font-size: 11px; color: var(--ink-dim); }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.legend i { display: inline-block; border-radius: 50%; }
.legend .n { width: 10px; height: 10px; border: 2px solid var(--c); background: color-mix(in srgb, var(--c) 30%, transparent); }
.legend .k-claude { --c: var(--c-claude); } .legend .k-codex { --c: var(--c-codex); } .legend .k-manager { --c: var(--c-manager); }
.legend .d { width: 7px; height: 7px; background: var(--s); box-shadow: 0 0 4px var(--s); }
.graph-hint { font-size: 11px; color: var(--ink-dim); text-align: center; margin-top: 4px; }
@media (prefers-reduced-motion: reduce) { .signal, .halo, .neuron.running .core, .step.running { animation: none; } }

.answer { padding: 12px 14px; }
.run-actions { display: flex; gap: 12px; padding: 0 14px 12px; }
.run-actions button { background: none; border: 1px solid var(--border); color: var(--text); border-radius: 8px; padding: 4px 10px; font-size: 13px; }

.md h1, .md h2, .md h3 { font-size: 16px; margin: 12px 0 6px; }
.md p { margin: 6px 0; }
.md pre { background: var(--code); padding: 10px; border-radius: 8px; overflow-x: auto; }
.md code { background: var(--code); padding: 1px 4px; border-radius: 4px; }
.md pre code { background: none; padding: 0; }
.md ul, .md ol { padding-left: 20px; margin: 6px 0; }
.md a { color: var(--accent); }
.md hr { border: 0; border-top: 1px solid var(--border); }

#composer {
  position: sticky; bottom: 0; background: var(--bg); padding: 8px 0 max(8px, env(safe-area-inset-bottom)); display: grid; gap: 6px;
}
#composer .row { display: flex; gap: 8px; align-items: flex-end; }
#composer textarea { resize: none; max-height: 40vh; }
#send { height: 44px; min-width: 48px; font-size: 18px; }

#drawer { position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 20; display: flex; align-items: flex-end; justify-content: center; }
.drawer-card {
  background: var(--surface); width: 100%; max-width: 860px; max-height: 85vh; overflow-y: auto;
  border-radius: 16px 16px 0 0; padding: 14px 16px max(16px, env(safe-area-inset-bottom));
}
.drawer-card h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 16px 0 6px; }
.drawer-card ol#drawer-steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 4px; }
#drawer-steps li { border-left: 3px solid var(--border); padding-left: 8px; }
#drawer-steps li.t-think { border-color: #a78bfa; } #drawer-steps li.t-search { border-color: #22d3ee; } #drawer-steps li.t-read { border-color: #2dd4bf; }
#drawer-steps li.t-write { border-color: #fbbf24; } #drawer-steps li.t-tool { border-color: #f97316; } #drawer-steps li.t-plan { border-color: #f472b6; }
#drawer-steps li.t-error, #drawer-steps li.error { border-color: var(--err); }
#drawer-steps summary { display: flex; gap: 8px; align-items: baseline; cursor: pointer; padding: 4px 0; font-size: 14px; }
#drawer-steps .lbl { flex: 1; overflow-wrap: anywhere; } #drawer-steps .when { font-size: 12px; color: var(--muted); }
#drawer-steps li.running .lbl { color: var(--run); }
#drawer-steps .res-head { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 6px 0 2px; }
#drawer-steps pre { margin: 4px 0; font-size: 12px; max-height: 25vh; }
.drawer-card pre { white-space: pre-wrap; word-break: break-word; background: var(--code); padding: 10px; border-radius: 8px; max-height: 35vh; overflow-y: auto; }

@media (min-width: 1000px) {
  #sidebar { transform: none; position: fixed; }
  #menu-btn, #close-side { display: none; }
  header, main { margin-left: 320px; }
  main { max-width: none; width: auto; }
}

/* Brain map: all agents and teams, recent activity lit up */
#brain { display: flex; flex-direction: column; gap: 8px; }
.brain-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.brain-head h2 { font-size: 18px; margin: 4px 0; }
.brain-head select { width: auto; }
#brain-summary { margin: 0; font-size: 13px; }
.brain-canvas { border: 1px solid var(--border); border-radius: 14px; overflow-x: auto; }
.brain-canvas svg { min-width: 640px; max-width: 900px; margin: 0 auto; }
.brain-canvas .ring { fill: none; stroke: #16213f; stroke-dasharray: 2 6; }
.bedge { fill: none; stroke: #1d2a4d; stroke-width: 1; transition: opacity .2s; }
.bedge.lit { stroke: #5b6fc0; }
.bnode .body { transition: opacity .2s; }
.bnode:not(.used) { opacity: .6; }
.blabel { fill: var(--ink); font-size: 12px; }
.bnode:not(.used) .blabel { fill: var(--ink-dim); }
.brain-canvas svg.focused .bnode:not(.hl) { opacity: .18; }
.brain-canvas svg.focused .bedge:not(.hl), .brain-canvas svg.focused .signal:not(.hl) { opacity: .08; }
.brain-canvas svg.focused .bedge.hl { stroke: #c7d2ff; stroke-width: 2; }
#brain-info { display: grid; gap: 4px; }
#brain-info p { margin: 0; }
#brain-info .use { justify-self: start; margin-top: 6px; background: var(--accent); color: var(--accent-text); border: 0; border-radius: 10px; padding: 8px 14px; font-weight: 600; }
#brain-btn.active { background: var(--bg); outline: 2px solid var(--accent); }