/* 麦克风测试：波形 + 音量条 + 本地录音回放 */
.mic-stage{border:1px solid #1f2933;border-radius:.6rem;background:#0f1418;overflow:hidden}
.mic-wave{display:block;width:100%;height:11rem}

.mic-meter-wrap{display:flex;align-items:center;gap:.75rem}
.mic-meter{position:relative;flex:1 1 auto;height:.85rem;border-radius:999px;background:#eef1f5;overflow:hidden}
.mic-meter-bar{position:absolute;left:0;top:0;bottom:0;width:0;border-radius:999px;background:linear-gradient(90deg,#22c55e,#eab308 72%,#ef4444);transition:width .06s linear}
.mic-meter-peak{position:absolute;top:-2px;bottom:-2px;left:0;width:2px;background:#334155;opacity:.75}
.mic-db{flex:none;min-width:4.75rem;color:#475569;font-size:.8125rem;font-variant-numeric:tabular-nums;text-align:right}

.mic-controls{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem}
.mic-pick{width:auto;max-width:16rem}
.mic-play audio{display:block;width:100%;max-width:26rem}
.mic-play .btn{margin-top:.5rem}

@media (max-width:575.98px){
  .mic-wave{height:8rem}
  .mic-pick{max-width:none;width:100%}
}