/* V236 錄音增益降噪副本：僅新增 v236a- 前綴樣式，沿用 v233／v234 的色彩、焦點與表單樣式 */
.v233-root .v233-topline a,.v233-root .v233-footer nav a{display:inline-flex;align-items:center;min-height:44px}
.v233-root .v229-brand{min-height:44px}
.v233-root .v229-nav nav a{min-width:44px;justify-content:center}
.v233-root .v233-check{min-height:44px;align-items:center}
.v233-root .v233-check input[type=radio],.v233-root .v233-form input[type=radio]{width:22px;height:22px;min-height:0;flex:none;margin:0;padding:0;accent-color:var(--v233-gold)}
.v233-root .v233-form input[type=range]{padding:0;border:0;background:transparent;accent-color:var(--v233-gold)}
.v233-root .v233-form input[type=checkbox],.v233-root .v233-check input[type=checkbox]{width:22px;height:22px;flex:none;accent-color:var(--v233-gold)}
.v233-root .v233-form input[type=number],.v233-root .v233-form select{min-height:44px}
.v236a-ul{margin:10px 0;padding-left:22px;font-size:13px;color:var(--v233-muted)}
.v236a-ul li{margin:6px 0;overflow-wrap:anywhere}

/* 步驟列 */
.v236a-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:18px 0;padding:0;list-style:none}
.v236a-steps li{min-width:0}
.v236a-stepbtn{display:flex;align-items:center;justify-content:center;gap:7px;width:100.0%;min-height:52px;padding:6px 8px;border:1px solid var(--v233-line);border-radius:9px;background:#10202b;color:#c4d6e3;font:inherit;font-size:14px;cursor:pointer}
.v236a-stepbtn b{display:inline-grid;place-items:center;flex:none;width:24px;height:24px;border:1px solid var(--v233-gold);border-radius:50%;color:var(--v233-gold);font:600 12px/1 ui-monospace,monospace}
.v236a-stepbtn[aria-current=step]{border-color:var(--v233-gold);box-shadow:inset 0 -3px var(--v233-gold);color:var(--v233-gold)}
.v236a-stepbtn[aria-current=step] b{background:var(--v233-gold);color:#12202a}
.v236a-stepbtn:disabled{opacity:.45;cursor:default}

/* 卡片與表單 */
.v236a-card{scroll-margin-top:16px}
.v236a-card h2:focus{outline:none}
.v236a-card h2:focus-visible{outline:3px solid #e9c781;outline-offset:4px}
.v236a-fs{margin:12px 0 0;padding:0;border:0;min-width:0}
.v236a-fs legend{padding:0;font-size:14px;color:#d5e3ed}
.v236a-drop{margin-top:14px;padding:22px 16px;border:2px dashed #527082;border-radius:12px;text-align:center;color:var(--v233-muted);font-size:14px}
.v236a-drop[data-over=true]{border-color:var(--v233-gold);background:#142733;color:var(--v233-gold)}
@media (pointer:coarse){.v236a-drop{display:none}}
.v236a-prog{margin:16px 0;padding:12px 15px;border:1px solid var(--v233-line);border-radius:10px;background:#0b1b26}
.v236a-prog p{margin:6px 0 10px}
.v236a-bar{display:block;width:100.0%;height:10px;accent-color:var(--v233-gold)}
.v236a-pvprog{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.v236a-pvprog .v236a-bar{flex:1 1 160px}
.v236a-ov{display:block;width:100.0%;height:96px;margin-top:16px;border:1px solid var(--v233-line);border-radius:8px;background:#050d14}
.v236a-facts{display:grid;grid-template-columns:minmax(110px,190px) minmax(0,1fr);margin:12px 0;border:1px solid var(--v233-line);border-radius:8px;overflow:hidden;font-size:13px}
.v236a-facts dt,.v236a-facts dd{margin:0;padding:8px 12px;border-bottom:1px solid var(--v233-line);overflow-wrap:anywhere}
.v236a-facts dt{background:#162c39;color:var(--v233-gold)}
.v236a-facts dd{background:#0b1b26;color:#dbe8f1}
.v236a-facts dt:last-of-type,.v236a-facts dd:last-of-type{border-bottom:0}
.v236a-facts code{font:12px/1.6 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;overflow-wrap:anywhere;word-break:break-all}
.v236a-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px 14px;margin:8px 0}
.v236a-grid>*{min-width:0}
.v236a-grid .v233-form{margin:0}

/* 分段按鈕 */
.v236a-seg{display:inline-flex;max-width:100.0%;border:1px solid #698093;border-radius:8px;overflow:hidden}
.v236a-seg .v233-btn{border:0;border-radius:0;min-width:44px;min-height:44px;padding:9px 12px}
.v236a-seg .v233-btn+.v233-btn{border-left:1px solid #698093}
.v236a-seg .v233-btn[aria-pressed=true]{background:var(--v233-gold);color:#12202a;font-weight:700}
.v236a-seg .v233-btn:disabled{opacity:.45;cursor:not-allowed}

/* 步驟 2：波形標記 */
.v236a-wavebox{position:relative;height:clamp(180px,32vh,280px);margin:12px 0 6px;border:1px solid var(--v233-line);border-radius:10px;background:#050d14;overflow:hidden}
.v236a-wave{position:absolute;inset:0;display:block;width:100.0%;height:100.0%;touch-action:pan-y;cursor:crosshair;user-select:none;-webkit-user-select:none}
.v236a-wave:focus-visible{outline:3px solid #e9c781;outline-offset:-3px}

/* 步驟 3：預設、播放器、圖 */
.v236a-presets{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:10px;margin:14px 0;padding:0;border:0;min-width:0}
.v236a-preset{position:relative;display:block;min-width:0}
.v236a-preset input{position:absolute;inset:0;width:100.0%;height:100.0%;margin:0;opacity:0;cursor:pointer}
.v236a-pcard{display:block;height:100.0%;min-height:92px;padding:12px 14px;border:1px solid var(--v233-line);border-radius:10px;background:#0b1b26;color:#d5e3ed}
.v236a-pcard strong{display:block;color:var(--v233-gold);font-size:15px}
.v236a-pcard small{display:block;margin-top:4px;color:var(--v233-muted);font-size:12px;line-height:1.65}
.v236a-preset input:checked+.v236a-pcard{border-color:var(--v233-gold);background:#1a2c35;box-shadow:inset 3px 0 var(--v233-gold)}
.v236a-preset input:focus-visible+.v236a-pcard{outline:3px solid #e9c781;outline-offset:3px}
.v236a-player{margin:14px 0;padding:12px 15px;border:1px solid var(--v233-line);border-radius:10px;background:#0b1b26}
.v236a-prow{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px}
.v236a-prow .v233-btn{min-height:44px;min-width:92px}
.v236a-seekrow{margin-top:8px;flex-wrap:nowrap}
.v236a-seekrow input[type=range]{flex:1 1 auto;min-width:0;width:100.0%;min-height:44px;margin:0;accent-color:var(--v233-gold);background:transparent}
.v236a-seekrow output{flex:none;min-width:7.5em;text-align:right;font:12.5px ui-monospace,monospace;color:var(--v233-gold)}
.v236a-vis{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:12px 0}
.v236a-fig{margin:0;min-width:0}
.v236a-fig figcaption{margin-bottom:4px;font-size:13px;color:var(--v233-gold)}
.v236a-wf{display:block;width:100.0%;height:92px;border:1px solid var(--v233-line);border-radius:8px;background:#050d14}
.v236a-sp{display:block;width:100.0%;height:168px;border:1px solid var(--v233-line);border-radius:8px;background:#050d14}
.v236a-tbl th,.v236a-tbl td{min-width:0}
.v236a-tbl caption{caption-side:top;padding:8px 10px;text-align:left;color:var(--v233-muted);font-size:12.5px}
.v236a-tbl td:first-child{min-width:120px}
.v236a-tbl td.num,.v236a-tbl th:not(:first-child){text-align:right;font-variant-numeric:tabular-nums}
.v236a-audio{display:block;width:100.0%;min-height:44px;margin-top:6px}

/* 步驟清單編輯 */
.v236a-warns{margin:8px 0;padding-left:20px;font-size:13px;color:#f3d7a1}
.v236a-warns:empty{display:none}
.v236a-list{display:grid;gap:10px;margin:12px 0;padding:0;list-style:none}
.v236a-item{min-width:0;padding:8px 12px;border:1px solid var(--v233-line);border-radius:10px;background:#0b1b26}
.v236a-item[data-off=true]{opacity:.7}
.v236a-ihead{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px}
.v236a-sw{display:flex;align-items:center;gap:10px;flex:1 1 200px;min-width:0;min-height:44px;color:var(--v233-gold);font-size:15px;cursor:pointer}
.v236a-sw input{flex:none;width:22px;height:22px;margin:0;accent-color:var(--v233-gold)}
.v236a-iact{display:flex;gap:6px}
.v236a-iact .v233-btn{min-width:44px;min-height:44px;padding:6px 10px}
.v236a-item details{margin-top:2px}
.v236a-hint{margin:4px 0 8px;font-size:12.5px;line-height:1.7;color:var(--v233-muted)}
.v236a-params{display:grid;gap:2px;padding:4px 0 6px}
.v236a-param{display:grid;grid-template-columns:minmax(130px,210px) minmax(0,1fr) 6em;gap:10px;align-items:center;min-height:44px;font-size:13px;color:#d5e3ed}
.v236a-param>label{margin:0}
.v236a-param input[type=range]{display:block;width:100.0%;min-height:44px;margin:0;accent-color:var(--v233-gold);background:transparent}
.v236a-param select{width:100.0%;min-height:44px;padding:8px 10px;border:1px solid #527082;border-radius:7px;background:#071621;color:#e9f0f6;font:inherit;font-size:14px;grid-column:2/-1}
.v236a-param output{font:12px ui-monospace,monospace;color:var(--v233-gold);text-align:right;overflow-wrap:anywhere}
.v236a-param .v233-check{grid-column:1/-1;margin:0}
.v236a-addctl{display:flex;gap:8px}
.v236a-addctl select{flex:1 1 auto;min-width:0}
.v236a-addctl .v233-btn{flex:none;min-width:64px;white-space:nowrap}
.v236a-addrow label{margin-top:8px}

/* 步驟 4：結果與紀錄 */
.v236a-logta{display:block;width:100.0%;min-height:220px;margin-top:8px;padding:12px;border:1px solid #527082;border-radius:7px;background:#071621;color:#e9f0f6;font:12px/1.7 ui-monospace,monospace;resize:vertical}
.v236a-scope{padding:2px 4px}
.v236a-scope ul{margin:0;padding-left:20px;font-size:13px;color:var(--v233-muted)}
.v236a-scope li{margin:8px 0;overflow-wrap:anywhere}

@media(max-width:760px){
  .v236a-presets{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .v236a-presets .v236a-preset:last-child{grid-column:1/-1}
  .v236a-pcard{min-height:0;padding:10px 11px}
  .v236a-pcard small{font-size:11.5px}
  .v236a-tbl th,.v236a-tbl td{padding:8px 5px;font-size:11.5px}
  .v236a-tbl td:first-child{min-width:0}
  .v236a-stepbtn{flex-direction:column;gap:3px;min-height:56px;font-size:12px}
  .v236a-facts{grid-template-columns:minmax(0,1fr)}
  .v236a-facts dt{border-bottom:0;padding-bottom:2px}
  .v236a-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .v236a-param{grid-template-columns:minmax(0,1fr) 5em}
  .v236a-param>label{grid-column:1/-1}
  .v236a-param select{grid-column:1/-1}
  .v236a-vis{grid-template-columns:minmax(0,1fr)}
  .v236a-seg .v233-btn{padding:9px 10px;font-size:13px}
  .v236a-seekrow{flex-wrap:wrap}
  .v236a-seekrow output{text-align:left}
}
@media(prefers-reduced-motion:reduce){.v236a-wave,.v236a-bar{transition:none!important;animation:none!important}}

/* 指南頁 */
.v236a-guide dt{color:var(--v233-gold);font-weight:700;margin-top:12px}
.v236a-guide dd{margin:4px 0 0;color:#cfe0eb;overflow-wrap:anywhere}
.v236a-guide dd>ul,.v236a-guide dd>ol{margin:6px 0}
.v236a-guide li{margin:5px 0}
.v236a-guide pre{margin:10px 0;white-space:pre;overflow:auto;font-size:12.5px;line-height:1.7;tab-size:4}
.v236a-guide pre:focus-visible,.v233-table-wrap:focus-visible{outline:3px solid #e9c781;outline-offset:2px}
.v236a-gsteps{display:grid;gap:12px;margin:14px 0 0}
.v236a-gstep{min-width:0;padding:12px 15px;border:1px solid var(--v233-line);border-radius:10px;background:#0b1b26}
.v236a-gstep h3{margin:0 0 8px;font-size:16px;line-height:1.6;color:var(--v233-gold)}
.v236a-gstep dl{display:grid;grid-template-columns:4.6em minmax(0,1fr);gap:6px 12px;margin:0;font-size:14px;line-height:1.75}
.v236a-gstep dt{margin:0;color:#9fb7c8;font-weight:600}
.v236a-gstep dd{margin:0;color:#d5e3ed;overflow-wrap:anywhere}
.v236a-gnum{font-variant-numeric:tabular-nums;white-space:nowrap}
.v236a-gtbl th,.v236a-gtbl td{min-width:0;font-size:12.5px}
.v236a-gtbl .num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.v236a-gtbl caption{caption-side:top;padding:8px 10px;text-align:left;color:var(--v233-muted);font-size:12.5px}
.v236a-gtbl tr[data-v="變差"] td:last-child{color:#ffb4a8}
.v236a-gtbl tr[data-v="改善"] td:last-child{color:#a8e6b9}
.v236a-gflow{counter-reset:gf;list-style:none;margin:10px 0 0;padding:0}
.v236a-gflow li{position:relative;margin:8px 0;padding:6px 0 6px 38px;min-height:30px}
.v236a-gflow li::before{counter-increment:gf;content:counter(gf);position:absolute;left:0;top:6px;display:grid;place-items:center;width:26px;height:26px;border:1px solid var(--v233-gold);border-radius:50%;color:var(--v233-gold);font:600 12px/1 ui-monospace,monospace}
@media(max-width:560px){
  .v236a-gstep dl{grid-template-columns:minmax(0,1fr);gap:0}
  .v236a-gstep dt{margin-top:8px}
  .v236a-gtbl th,.v236a-gtbl td{min-width:5.2em}
  .v236a-gtbl .num{min-width:3.6em}
}

/* 播放位置標線 */
.v236a-phwrap{position:relative}
.v236a-ph{position:absolute;top:0;bottom:0;left:0;display:none;width:2px;margin-left:-1px;background:#ffffff;box-shadow:0 0 0 1px rgba(5,13,20,.7);pointer-events:none}
.v236a-param input[type=number]{display:block;width:100.0%;min-height:44px;padding:8px 10px;border:1px solid #527082;border-radius:7px;background:#071621;color:#e9f0f6;font:inherit;font-size:14px}