.audio-controls,
.control-bar {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.control-button {
  min-width: 88px;
  padding: 0 15px;
  border-color: var(--line-strong);
  background: var(--surface);
  font-size: 0.86rem;
  font-weight: 600;
}

.control-button:hover {
  border-color: var(--text);
}

.control-button--primary {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-contrast);
}

.control-button--secondary {
  color: var(--muted);
}

.control-button--selected {
  border-color: var(--accent);
  color: var(--accent);
}

.control-button--active {
  border-color: var(--danger);
  color: var(--danger);
}

.text-button {
  min-height: 36px;
  padding: 0 8px;
  border-color: transparent;
  background: transparent;
  color: var(--muted);
  font-size: 0.8rem;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 3px;
}

.text-button:hover {
  color: var(--text);
  text-decoration-color: currentColor;
}

.settings-section {
  margin-bottom: 46px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.settings-section fieldset {
  padding: 20px 0;
  border: 0;
  border-top: 1px solid var(--line);
}

.settings-section legend {
  padding-top: 20px;
  font-weight: 700;
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 68px;
  border-top: 1px solid var(--line);
}

.setting-row > span:first-child {
  display: grid;
  gap: 4px;
}

.setting-row strong {
  font-size: 0.9rem;
}

.setting-row small {
  line-height: 1.35;
}

.setting-row select,
.setting-row input[type="number"] {
  width: min(240px, 42vw);
  padding: 0 10px;
}

.setting-row input[type="checkbox"],
.checkbox-grid input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--accent);
}

.range-control,
.inline-control {
  display: flex;
  align-items: center;
  gap: 12px;
}

.range-control input {
  width: min(200px, 35vw);
  accent-color: var(--accent);
}

.range-control output {
  width: 44px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.checkbox-grid label {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
}

.checkbox-grid .source-weight {
  width: 58px;
  min-height: 36px;
  margin-left: auto;
  padding: 0 7px;
}

.setting-help {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.inline-warning {
  padding: 13px 15px;
  border-left: 3px solid var(--accent);
  background: var(--surface);
  color: var(--muted);
  font-size: 0.86rem;
}

.data-actions {
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 14px;
}

.file-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 15px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  background: var(--surface);
  cursor: pointer;
  font-size: 0.86rem;
  font-weight: 600;
}

.file-button input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.danger-button {
  min-height: 44px;
  padding: 0 15px;
  border-color: var(--danger);
  background: transparent;
  color: var(--danger);
  font-size: 0.86rem;
}

.data-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.76rem;
}

@media (max-width: 720px) {
  .audio-controls,
  .control-bar {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .control-button {
    min-width: 0;
    padding: 0 8px;
  }

  .control-bar .control-button--primary {
    grid-column: span 2;
  }

  .setting-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 14px 0;
  }

  .setting-row--toggle {
    align-items: center;
    flex-direction: row;
  }

  .setting-row select,
  .setting-row input[type="number"],
  .range-control,
  .inline-control {
    width: 100%;
  }

  .range-control input,
  .inline-control select {
    flex: 1;
    width: auto;
  }
}