.iu-tts-player {
  border: 2px solid #444;
  border-radius: 12px;
  padding: 10px 15px;
  margin-top: 20px;
  background: #f9f9f9;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  max-width: 700px;
}
.iu-tts-header { font-weight: bold; margin-bottom: 8px; }
.iu-brand { color: #a11; }
.iu-tts-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.iu-btn {
  border: none;
  background: #a11;
  color: white;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
}
.iu-btn:hover { background: #c22; }
input[type="range"] { vertical-align: middle; }

.iu-tts-note {
  font-size: 13px;
  color: #555;
  margin: 6px 0 10px 0;
}