* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; display: grid; place-items: center;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: #0f172a; color: #e2e8f0;
}
.card {
  width: min(680px, 92vw); background: #1e293b; border-radius: 16px;
  padding: 28px 32px; box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
h1 { margin: 0 0 4px; font-size: 1.5rem; }
h2 { font-size: .95rem; margin: 0 0 6px; color: #94a3b8; }
h2 small { font-weight: 400; }
.sub { color: #94a3b8; margin-top: 0; }
label { display: block; margin: 14px 0; font-size: .9rem; color: #cbd5e1; }
label.inline { display: flex; align-items: center; gap: 8px; margin: 0; }
input, select {
  width: 100%; margin-top: 4px; padding: 10px 12px; border-radius: 8px;
  border: 1px solid #334155; background: #0f172a; color: #e2e8f0; font-size: 1rem;
}
label.inline select { width: auto; margin-top: 0; }
button {
  width: 100%; margin-top: 18px; padding: 12px; border: 0; border-radius: 8px;
  background: #38bdf8; color: #082f49; font-weight: 700; font-size: 1rem; cursor: pointer;
}
button:hover { background: #7dd3fc; }
button.secondary { width: auto; padding: 8px 14px; background: #334155; color: #e2e8f0; font-weight: 600; }
button.secondary:hover { background: #475569; }
.row { display: flex; align-items: center; gap: 12px; margin: 16px 0; flex-wrap: wrap; }
.badge { padding: 4px 12px; border-radius: 999px; background: #065f46; color: #a7f3d0; font-size: .85rem; }
.badge.muted { background: #334155; color: #94a3b8; }
.badge.err { background: #7f1d1d; color: #fecaca; }
.error { color: #f87171; }
.transcripts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 12px; }
.transcript {
  min-height: 90px; margin: 0; padding: 12px; border-radius: 8px;
  background: #0f172a; border: 1px solid #334155; font-size: .95rem;
  white-space: pre-wrap; overflow-y: auto; max-height: 200px;
}
@media (max-width: 560px) { .transcripts { grid-template-columns: 1fr; } }
button.floor {
  width: 100%; margin-top: 18px; padding: 18px; border: 0; border-radius: 12px;
  background: #334155; color: #e2e8f0; font-weight: 700; font-size: 1.1rem;
  cursor: pointer; user-select: none; touch-action: none;
}
button.floor:hover { background: #475569; }
button.floor.talking { background: #dc2626; color: #fff; }
.hint { color: #64748b; font-size: .8rem; margin: 6px 2px 0; }
.transcripts { grid-template-columns: 1fr; }