:root {
  --bg: #fbfaf8;
  --fg: #1e1b18;
  --muted: #6b635c;
  --line: #ddd6cd;
  --accent: #b4462e;
  --ok: #2f6b46;
  --warn: #8a5a00;
  --card: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1816; --fg: #f2ede7; --muted: #a79d94; --line: #3a3531;
    --accent: #e0785c; --ok: #7fbf98; --warn: #d9a441; --card: #232019;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
  padding-bottom: 4rem;
}
header { padding: 1.25rem 1rem 0.75rem; border-bottom: 1px solid var(--line); }
h1 { margin: 0; font-size: 1.25rem; }
.sub { margin: 0.25rem 0 0; color: var(--muted); font-size: 0.85rem; }
main { max-width: 46rem; margin: 0 auto; padding: 1rem; }
section { margin-bottom: 1.5rem; }
h2 { font-size: 1rem; margin: 0 0 0.5rem; }
.notice { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 0.9rem 1rem; }
.notice ul { margin: 0; padding-left: 1.1rem; }
.notice li { margin-bottom: 0.35rem; font-size: 0.9rem; }
.gate { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 0.9rem 1rem; }
.hint { color: var(--muted); font-size: 0.85rem; margin: 0 0 0.5rem; }
fieldset.group {
  border: 1px solid var(--line); border-radius: 10px; background: var(--card);
  margin: 0 0 1rem; padding: 0.85rem 1rem 1rem;
}
legend { font-weight: 600; font-size: 0.95rem; padding: 0 0.35rem; }
.who { display: inline-block; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.04em;
  text-transform: uppercase; padding: 0.12rem 0.45rem; border-radius: 999px; margin-left: 0.4rem; }
.who.learner { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.who.facilitator { background: color-mix(in srgb, var(--warn) 20%, transparent); color: var(--warn); }
.field { margin-bottom: 1rem; }
.field > label.q { display: block; font-weight: 600; font-size: 0.92rem; margin-bottom: 0.1rem; }
.field .help { display: block; color: var(--muted); font-size: 0.8rem; margin-bottom: 0.4rem; }
.options { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.options label {
  display: inline-flex; align-items: center; gap: 0.35rem;
  border: 1px solid var(--line); border-radius: 999px; padding: 0.45rem 0.75rem;
  font-size: 0.88rem; cursor: pointer; background: var(--bg); min-height: 2.5rem;
}
.options label:has(input:checked) { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
.options input { accent-color: var(--accent); margin: 0; }
input[type=text], input[type=number], input[type=password] {
  width: 100%; padding: 0.6rem 0.7rem; font-size: 1rem; min-height: 2.75rem;
  border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--fg);
}
button {
  font: inherit; font-weight: 600; min-height: 2.9rem; padding: 0.6rem 1.1rem;
  border: 0; border-radius: 8px; background: var(--accent); color: #fff; cursor: pointer;
}
button.secondary { background: transparent; color: var(--fg); border: 1px solid var(--line); }
button + button { margin-left: 0.5rem; }
.submit-area { border-top: 1px solid var(--line); padding-top: 1rem; }
.record-id { font-size: 0.85rem; color: var(--muted); }
code { font-family: ui-monospace, monospace; font-size: 0.85rem; }
.status { font-size: 0.9rem; margin: 0.6rem 0 0; }
.status.ok { color: var(--ok); }
.status.error { color: var(--accent); }
.errors { margin: 0.5rem 0 0; padding-left: 1.1rem; font-size: 0.85rem; color: var(--accent); }
.queue { margin-top: 1rem; padding: 0.75rem 0.9rem; border: 1px dashed var(--line); border-radius: 8px; font-size: 0.9rem; }