body {
  font-family: Arial, sans-serif;
  background: #0d1117;
  color: #e6edf3;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px;
}

h1 {
  margin: 0;
}

.subtitle {
  color: #9da7b3;
  margin-top: 6px;
}

.panel {
  border: 1px solid #30363d;
  border-radius: 10px;
  padding: 14px;
  margin-top: 14px;
  background: #161b22;
}

.row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
}

.controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
}

button {
  background: #238636;
  border: none;
  color: white;
  border-radius: 8px;
  padding: 10px 14px;
  cursor: pointer;
}

button:hover {
  background: #2ea043;
}

.voice-select {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
}

.voice-select select {
  background: #0d1117;
  color: #e6edf3;
  border: 1px solid #30363d;
  border-radius: 8px;
  padding: 8px;
}

.panel.hint p {
  margin: 0;
  font-size: 14px;
  line-height: 1.45;
  color: #9da7b3;
}

.transcript {
  min-height: 220px;
  max-height: 420px;
  overflow: auto;
  white-space: pre-wrap;
  margin: 0;
}