.transcript-reading-settings { position: relative; }
.transcript-reading-settings > summary {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  min-height: 44px;
  border-radius: 50%;
  color: var(--muted);
  font-size: 24px;
  line-height: 1;
  list-style: none;
  cursor: pointer;
}
.transcript-reading-settings > summary::-webkit-details-marker { display: none; }
.transcript-reading-settings > summary:hover { background: var(--teal-tint); }
.transcript-reading-settings > summary:focus-visible { outline: 2px solid var(--teal-deep); outline-offset: 2px; }
.transcript-reading-settings-panel {
  position: absolute;
  inset-inline-start: 0;
  top: calc(100% + 6px);
  z-index: 15;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: 0 6px 24px #0002;
}
.transcript-reading-settings-label { display: block; margin-bottom: 8px; color: var(--muted); font-size: 12px; }
.transcript-font-controls {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
}
.transcript-font-controls button {
  min-width: 44px;
  min-height: 44px;
  margin: 0;
  padding: 0 10px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: inherit;
  font-size: 14px;
  font-weight: 650;
  cursor: pointer;
}
.transcript-font-controls button:hover:enabled { background: var(--teal-tint); }
.transcript-font-controls button:focus-visible { outline: 2px solid var(--teal-deep); outline-offset: -4px; }
.transcript-font-controls button:disabled { opacity: .35; cursor: default; }
.transcript-font-controls [data-transcript-font="reset"] { color: var(--muted); font-variant-numeric: tabular-nums; }
.transcript { font-size: var(--transcript-font-size, 16px); }
.transcript .line-zh { font-size: calc(var(--transcript-font-size, 16px) - 2px); }