.audio-merge-panel{background:#fff;border:1px solid #eceff4;border-radius:8px;box-shadow:0 14px 36px #1118270f;display:flex;flex-direction:column;gap:18px;min-width:0;padding:20px}.audio-merge-panel__head,.audio-merge-panel__navigation,.audio-merge-panel__summary,.audio-merge-player__range-actions,.audio-merge-player__topbar{align-items:center;display:flex}.audio-merge-panel__head,.audio-merge-player__topbar{gap:16px;justify-content:space-between}.audio-merge-panel__lead,.audio-merge-panel__title{margin:0}.audio-merge-panel__lead{color:#4b5563;line-height:1.6;margin-top:6px}.audio-merge-panel__workspace{display:grid;gap:18px;grid-template-columns:minmax(290px,360px) minmax(0,1fr)}.audio-merge-panel__editor,.audio-merge-panel__sidebar{display:flex;flex-direction:column;gap:14px;min-width:0}.audio-merge-panel__sidebar{background:#f8fafc;border:1px solid #e5e7eb;border-radius:12px;overflow:hidden}.audio-merge-player__topbar span{display:block;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.audio-merge-player__topbar strong{color:#111827;display:block;margin-top:2px}.audio-merge-panel__navigation button{background:transparent;border:0;display:grid;padding:0;place-items:center}.audio-merge-panel__sidebar>.tool-settings-group{margin:14px}.audio-merge-panel__hint{color:#92400e;font-size:13px;line-height:1.45;margin:0}.audio-merge-panel__editor{background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;color:#172033;padding:20px}.audio-merge-panel__editor>audio{display:none}.audio-merge-player{display:flex;flex:1;flex-direction:column;gap:20px;min-width:0}.audio-merge-player__topbar strong{color:#172033;max-width:min(520px,65vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.audio-merge-player__topbar span{color:#64748b}.audio-merge-player__range-actions{flex-wrap:wrap;gap:8px}.audio-merge-panel__navigation{color:#64748b;gap:14px;justify-content:center}.audio-merge-panel__navigation button{background:#e2e8f0;border-radius:50%;color:#172033;height:34px;width:34px}.audio-merge-panel__navigation button:disabled{cursor:not-allowed;opacity:.4}.audio-merge-panel__footer{margin-top:auto}.audio-merge-panel__summary{color:#475569;font-size:14px;gap:8px;margin-bottom:10px}@media(max-width:980px){.audio-merge-panel__workspace{grid-template-columns:1fr}}@media(max-width:640px){.audio-merge-panel{padding:14px}.audio-merge-panel__head,.audio-merge-player__topbar{align-items:flex-start;flex-direction:column}.audio-merge-panel__editor{padding:14px}}