* { box-sizing: border-box; }
:root {
  --bg: #fbfaf7;
  --ink: #1a1a1a;
  --muted: #666;
  --accent: #b3541e;
  --bar: #2563eb;
  --border: #ddd;
}
body {
  margin: 0 auto;
  max-width: 1200px;
  padding: 24px 32px 48px;
  background: var(--bg);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 19px;
}
h1 { font-size: 44px; margin: 0 0 6px; letter-spacing: -0.5px; }
.sub { font-size: 21px; color: var(--muted); margin: 0 0 14px; max-width: 60ch; }
.card { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  background: #fff; border: 1px solid var(--border); border-radius: 999px;
  padding: 4px 14px; font-family: ui-monospace, Consolas, monospace; font-size: 15px;
}
.banner {
  margin: 16px 0; padding: 12px 16px; border-radius: 8px;
  background: #fff6d8; border: 1px solid #e0c36a; font-size: 17px;
}
.banner.error { background: #fdecea; border-color: #e5a4a0; }
.hidden { display: none; }
.controls { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 14px; margin: 22px 0; }
.controls label { display: flex; flex-direction: column; gap: 4px; font-size: 15px; color: var(--muted); }
.controls .grow { flex: 1 1 220px; }
select, input[type="text"] {
  font-size: 18px; padding: 8px 10px; border: 1px solid var(--border);
  border-radius: 8px; background: #fff; color: var(--ink); font-family: inherit;
}
input[type="range"] { width: 160px; accent-color: var(--accent); }
button {
  font-size: 18px; padding: 10px 22px; border-radius: 8px;
  border: 1px solid var(--accent); background: var(--accent); color: #fff; cursor: pointer;
}
button:disabled { opacity: 0.45; cursor: default; }
#stop { background: #fff; color: var(--accent); }
.toggle { flex-direction: row !important; align-items: center; gap: 8px !important; font-size: 17px !important; }
main {
  display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(260px, 1fr);
  gap: 28px; align-items: start;
}
#output {
  background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 22px;
  font-family: ui-monospace, Consolas, "Courier New", monospace;
  font-size: 26px; line-height: 1.55; min-height: 340px;
  white-space: pre-wrap; word-break: break-word;
}
#output .prompt { color: #888; }
#output .gen { color: var(--ink); }
.cursor {
  display: inline-block; width: 0.55em; height: 1.15em; background: var(--accent);
  vertical-align: text-bottom; animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
aside h2 { font-size: 22px; margin: 0 0 4px; }
.hint { font-size: 15px; color: var(--muted); margin: 0 0 14px; }
.prob-row {
  display: grid; grid-template-columns: 2.2em 1fr 4.5em;
  align-items: center; gap: 10px; margin-bottom: 10px;
  font-family: ui-monospace, Consolas, monospace; font-size: 20px;
}
.prob-row .ch {
  text-align: center; background: #fff; border: 1px solid var(--border);
  border-radius: 6px; padding: 2px 0;
}
.bar-track { background: #eee; border-radius: 4px; }
.prob-row .bar { height: 20px; border-radius: 4px; background: var(--bar); min-width: 2px; }
.prob-row .pct { color: var(--muted); font-size: 16px; text-align: right; }
.prob-row.chosen .bar { background: var(--accent); }
.prob-row.chosen .ch { border-color: var(--accent); color: var(--accent); font-weight: 700; }
footer { margin-top: 30px; color: var(--muted); font-size: 15px; }
footer a { color: var(--accent); }
@media (max-width: 900px) {
  main { grid-template-columns: 1fr; }
  h1 { font-size: 32px; }
  #output { font-size: 21px; min-height: 220px; }
}