:root {
  color-scheme: dark;
  font-family: Arial, sans-serif;
  background: #111827;
  color: #f9fafb;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.card {
  width: min(92vw, 520px);
  box-sizing: border-box;
  padding: 2rem;
  border: 1px solid #374151;
  border-radius: 14px;
  background: #1f2937;
  box-shadow: 0 12px 35px #0006;
}

h1, h2 { margin-top: 0; }
.subtitle { color: #60a5fa; }
label { display: block; margin: 1.2rem 0 .4rem; }
input, button {
  width: 100%;
  box-sizing: border-box;
  border-radius: 8px;
  padding: .75rem;
  font-size: 1rem;
}
input { border: 1px solid #4b5563; background: #111827; color: #fff; }
button { margin-top: .8rem; border: 0; cursor: pointer; font-weight: bold; }
.primary { background: #22c55e; color: #052e16; }
.danger { background: #ef4444; color: #fff; }
button:disabled { cursor: not-allowed; opacity: .55; }
.status { color: #fbbf24; min-height: 1.2em; }
.status.error { color: #fca5a5; }
.status.success { color: #86efac; }
.mic-indicator {
  display: flex;
  align-items: center;
  gap: .45rem;
  color: #86efac;
  font-weight: bold;
}
.mic-indicator[hidden] {
  display: none;
}
.mic-dot {
  width: .65rem;
  height: .65rem;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 10px #22c55e;
}
.hint, .muted { color: #9ca3af; }
section { margin-top: 1.8rem; }
ul { padding-left: 1.2rem; }
li { margin: .35rem 0; }