:root {
  --accent: #7c5cff;
  --ink: #e8e8ee;
  --muted: #9a9aa8;
  --bg: #111116;
  --panel: #1a1a22;
  --line: #2c2c38;
  --bad: #ff8080;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.5 system-ui, sans-serif; }
main { max-width: 42rem; margin: 0 auto; padding: 2.5rem 1.25rem 4rem; }
h1 { margin: 0 0 .5rem; font-size: 1.75rem; }
h2 { margin: 2.25rem 0 .75rem; font-size: 1.1rem; }
a { color: inherit; }
.warning { padding: .75rem 1rem; border-left: 3px solid var(--accent); background: var(--panel); }
.error { min-height: 1.5em; margin: .5rem 0 0; color: var(--bad); }
.hint, .muted { color: var(--muted); font-size: .9rem; }
.hint { margin: .25rem 0 .75rem; }
label { display: block; margin-bottom: .25rem; }
.name { display: flex; align-items: center; gap: .25rem; }
input { flex: 0 1 14rem; min-width: 0; padding: .5rem .6rem; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); color: var(--ink); font: inherit; }
button { padding: .45rem .9rem; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); color: var(--ink); font: inherit; cursor: pointer; }
button:hover { border-color: var(--accent); }
button[type="submit"], #sign-in { background: var(--accent); border-color: var(--accent); color: #fff; }
button:disabled { opacity: .5; cursor: default; }
ul { margin: 0; padding: 0; list-style: none; }
.brain { padding: 1rem 0; border-top: 1px solid var(--line); }
.brain-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: .25rem .75rem; }
.brain-name { font-weight: 600; }
.actions { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .6rem; }
.detail { margin-top: .75rem; padding: .75rem; background: var(--panel); border-radius: 6px; font-size: .9rem; }
.detail dl { display: grid; grid-template-columns: max-content 1fr; gap: .25rem .75rem; margin: 0; }
.detail dt { color: var(--muted); }
.detail dd { margin: 0; overflow-wrap: anywhere; }
pre { margin: .75rem 0 0; max-height: 16rem; overflow: auto; font-size: .8rem; white-space: pre-wrap; overflow-wrap: anywhere; }