:root {
  --bg: #12141a;
  --panel: #1b1f29;
  --line: #2c3344;
  --text: #e8edf7;
  --muted: #8b95a8;
  --accent: #3dd6c6;
  --reply: #7ee0a8;
  --post: #f0c36a;
  --inh: #ef7a6c;
  --food: #f4b942;
  --threat: #ef6b7b;
  --social: #7aa7ff;
  --novelty: #c792ea;
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 "IBM Plex Sans", "Segoe UI", sans-serif;
}
.top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 16px 20px 8px;
  border-bottom: 1px solid var(--line);
}
h1 { font-size: 20px; margin: 0; letter-spacing: 0.04em; }
.sub, .hint { color: var(--muted); margin: 4px 0 0; }
.hint { font-size: 12px; padding: 0 0 8px; }
.status { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.pill {
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.pill.on { background: #14352f; color: var(--accent); }
.pill.off { background: #3a2222; color: #f0a0a0; }
.mono { font-family: "IBM Plex Mono", ui-monospace, monospace; color: var(--muted); }
.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  padding: 12px;
}
.chat-panel { grid-column: span 4; }
.graph-panel { grid-column: span 4; }
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px 12px;
}
h2 {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.brain-wrap { background: #10131a; border-radius: 8px; min-height: 320px; }
#brain-gl {
  width: 100%;
  height: 520px;
  display: block;
}
.side { display: flex; flex-direction: column; gap: 12px; }
.pop { margin-bottom: 12px; }
.pop-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; font-weight: 600; }
.pop-head .readout-name { flex: 1; min-width: 0; font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 12px; }
.info-btn {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  padding: 0;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--muted);
  background: #10131a;
  border-color: var(--line);
  line-height: 1;
}
.info-btn[aria-expanded="true"] { color: var(--accent); border-color: var(--accent); }
.readout-info {
  margin: 6px 0 0;
  padding: 8px 10px;
  background: #10131a;
  border-radius: 6px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}
.readout-info .sel { font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 11px; margin-top: 4px; }
.readout-list .pop { margin-bottom: 10px; }
.readout-list .pop:last-child { margin-bottom: 0; }
[data-readout="food_response"] .bar i { background: var(--food); }
[data-readout="threat_response"] .bar i { background: var(--threat); }
[data-readout="social_expression"] .bar i { background: var(--social); }
[data-readout="novelty_response"] .bar i { background: var(--novelty); }
[data-readout="arousal_response"] .bar i { background: var(--accent); }
[data-readout="approach"] .bar i { background: var(--reply); }
[data-readout="avoidance"] .bar i { background: var(--inh); }
[data-readout="motor_activity"] .bar i { background: var(--post); }
.pop.winning .pop-head span:first-child { color: var(--accent); }
.bar {
  margin-top: 6px;
  height: 10px;
  background: #10131a;
  border-radius: 99px;
  overflow: hidden;
}
.bar i {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--post);
  transition: width 80ms linear;
}
#reply-bar { background: var(--reply); }
.winner { color: var(--muted); margin: 0; font-size: 12px; }
.stim-list { list-style: none; margin: 0; padding: 0; }
.stim-list li {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  border-bottom: 1px solid var(--line);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
}
.controls { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
button {
  background: #243044;
  color: var(--text);
  border: 1px solid #3a4660;
  border-radius: 6px;
  padding: 8px 10px;
  cursor: pointer;
  letter-spacing: 0.04em;
}
button:hover { border-color: var(--accent); color: var(--accent); }
button.ghost { background: transparent; }
.decision-value {
  font-size: 28px;
  margin: 4px 0 12px;
  letter-spacing: 0.08em;
}
.meta { margin: 0; }
.meta div { display: flex; justify-content: space-between; gap: 12px; padding: 3px 0; }
.meta dt { color: var(--muted); }
.meta dd { margin: 0; font-family: "IBM Plex Mono", ui-monospace, monospace; }
.chat-log {
  min-height: 140px;
  max-height: 420px;
  overflow: auto;
  background: #10131a;
  border-radius: 8px;
  padding: 8px;
  font-size: 13px;
}
.msg { margin: 0 0 10px; }
.msg .who { color: var(--muted); font-size: 11px; letter-spacing: 0.08em; }
.msg .body { margin: 2px 0; }
.msg .body.mono {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 12px;
  white-space: pre;
  line-height: 1.35;
}
.msg .meta-line { color: var(--muted); font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 11px; }
form { display: flex; gap: 8px; margin-top: 8px; }
form input {
  flex: 1;
  background: #10131a;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 6px;
  padding: 8px;
}
.slider { display: flex; gap: 8px; align-items: center; margin-top: 10px; color: var(--muted); }
.slider input { flex: 1; }
.channel-pops { font-size: 12px; color: var(--muted); margin-top: 8px; }
#raster { width: 100%; background: #10131a; border-radius: 8px; }
.legal {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 20px 48px;
}
.legal h1 { font-size: 24px; margin-bottom: 8px; }
.legal h2 { font-size: 16px; margin-top: 24px; }
.legal p, .legal li { color: var(--text); }
.legal a { color: var(--accent); }
.site-foot {
  padding: 12px 20px 20px;
  color: var(--muted);
  font-size: 12px;
}
.site-foot a { color: var(--muted); }
@media (max-width: 1100px) {
  .grid { grid-template-columns: 1fr 1fr; }
  .graph-panel, .chat-panel { grid-column: span 2; }
}
@media (max-width: 720px) {
  .grid { grid-template-columns: 1fr; }
  .graph-panel, .chat-panel { grid-column: span 1; }
}