* { box-sizing: border-box; margin: 0; padding: 0; }
  html, body {
    background: #08080e;
    color: #e4e4f0;
    font-family: -apple-system, system-ui, sans-serif;
    min-height: 100vh;
  }
  body { padding: 8px; }
  #title {
    font-size: 12px;
    color: #ffd166;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 4px 0;
    max-width: 1280px;
  }
  #title small {
    color: #667;
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
  }
  canvas {
    display: block;
    width: 100%;
    max-width: 1280px;
    background: #08080e;
    border: 2px solid #2a2a3a;
    outline: none;
  }
  #ctrl {
    display: flex;
    gap: 14px;
    align-items: center;
    padding: 6px 10px;
    background: #14141e;
    border: 1px solid #2a2a3a;
    margin-top: 6px;
    flex-wrap: wrap;
    max-width: 1280px;
  }
  #ctrl label { display: flex; gap: 4px; align-items: center; font-size: 12px; color: #aaa; }
  select, button { background: #1c1c2a; color: #e4e4f0; border: 1px solid #3a3a4e; padding: 4px 8px; font-family: inherit; font-size: 12px; cursor: pointer; }
  button:hover, select:hover { background: #2a2a3e; }
  #brains {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 8px;
    margin-top: 8px;
    max-width: 1280px;
  }
  .panel {
    background: #14141e;
    border: 1px solid #2a2a3a;
    padding: 8px;
  }
  .panel h3 {
    font-size: 11px;
    text-transform: uppercase;
    color: #aaa;
    margin-bottom: 6px;
    letter-spacing: 0.05em;
  }
  .row { display: flex; gap: 6px; align-items: center; margin-bottom: 6px; }
  .row label { font-size: 11px; color: #889; }
  textarea {
    width: 100%;
    background: #0c0c14;
    color: #c8e0c8;
    border: 1px solid #3a3a4e;
    padding: 6px;
    font-family: ui-monospace, Menlo, monospace;
    font-size: 11px;
    line-height: 1.45;
    resize: vertical;
  }
  .err {
    color: #ff6b6b;
    font-size: 10px;
    min-height: 12px;
    margin-top: 4px;
    font-family: ui-monospace, Menlo, monospace;
  }
  .err.ok { color: #6ee7b7; }
  #spec {
    font-family: ui-monospace, Menlo, monospace;
    font-size: 10px;
    line-height: 1.55;
    color: #889;
    white-space: pre;
    max-height: 320px;
    overflow: auto;
  }
  .keys { font-family: ui-monospace, Menlo, monospace; font-size: 10px; color: #667; }