/* Audio tools (ambient-mixer / audio-trimmer / voice-changer) shared look. Copied per folder; no external assets. */
:root{font-family:system-ui,"Microsoft JhengHei",sans-serif;color:#243345;background:#f4f6fb;--accent:#4b5fd1;--soft:#eef0ff;--line:#e0e5ee;--muted:#5f6f86;--danger:#a73a35}
*{box-sizing:border-box}body{margin:0;overflow-x:hidden}
button,input,select,textarea{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}
a{color:var(--accent)}[hidden]{display:none!important}
header{background:#fff;border-bottom:1px solid var(--line)}
.header{max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 22px}
.brand{font-weight:800;display:flex;gap:10px;align-items:center;min-width:0}.brand span{background:var(--soft);border-radius:12px;font-size:22px;padding:7px}
.header a{font-weight:700;text-decoration:none;white-space:nowrap;min-height:44px;display:inline-flex;align-items:center}
main{max-width:1180px;margin:auto;padding:26px 22px 60px}
.intro{margin-bottom:20px}.eyebrow{color:var(--accent);font-size:13px;font-weight:750;margin:0}
h1{font-size:clamp(25px,5vw,36px);margin:8px 0}h2{font-size:20px;margin:0 0 14px}h3{font-size:16px;margin:18px 0 8px}
.lead,.small{line-height:1.7;color:var(--muted)}.lead{margin:0}.small{font-size:13px}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 0}.badge{border-radius:24px;background:#fff;border:1px solid #dce3ef;padding:6px 12px;font-size:13px}
.layout{display:grid;grid-template-columns:340px minmax(0,1fr);gap:20px;align-items:start}
.panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;min-width:0;box-shadow:0 4px 20px #23364b08}
.panel+.panel,.stack>.panel+.panel{margin-top:18px}
.field{display:block;font-weight:700;font-size:14px;margin:14px 0 7px}
.input,select{width:100%;min-width:0;padding:10px 12px;border:1px solid #cbd5e3;border-radius:10px;background:#fff;color:#25354b;min-height:44px;font-size:16px}
input[type=range]{width:100%;accent-color:var(--accent);min-height:32px;margin:0}
input[type=checkbox]{width:22px;height:22px;accent-color:var(--accent);vertical-align:middle;flex:none}
.check{display:flex;align-items:center;gap:10px;min-height:44px;font-size:15px;line-height:1.5}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:44px;min-width:44px;padding:9px 14px;background:#fff;color:#34455e;border:1px solid #cbd5e3;border-radius:11px;font-weight:700;font-size:14px;text-decoration:none;line-height:1.35}
.btn:hover:not(:disabled){background:var(--soft)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.primary:hover:not(:disabled){filter:brightness(1.08);background:var(--accent)}
.btn.danger{color:var(--danger)}.btn.big{min-height:56px;font-size:19px}.btn.block{width:100%;margin-top:10px}
.btn[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:#fff}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:12px 0}
.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px}
.notice{background:#edf4ff;border:1px solid #d1e1f6;color:#315579;border-radius:12px;padding:11px 14px;line-height:1.6;margin:14px 0;overflow-wrap:anywhere;min-height:48px}
.notice.error{background:#fff0ed;color:#9a3e36;border-color:#efc9c2}.notice.ok{background:#edf8f0;color:#2b6340;border-color:#c9e6d2}
details{border-top:1px solid #e2e7f0;padding-top:12px;margin-top:16px}summary{cursor:pointer;font-weight:700;min-height:44px;line-height:1.6;display:list-item}
details p,details li{line-height:1.7;color:#55657c;font-size:14px}details ul{padding-left:20px;margin:6px 0}
footer{text-align:center;margin-top:30px;color:#66758a;font-size:13px;line-height:1.8}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
:focus-visible{outline:3px solid #769be9;outline-offset:3px}
.empty{padding:30px 12px;text-align:center;background:#f8fafc;border:1px dashed #d7e0ed;border-radius:12px;line-height:1.8;color:#617189}
.range-label{display:flex;justify-content:space-between;gap:10px;align-items:baseline;font-weight:700;font-size:14px;margin:14px 0 4px}
.range-label output,.value{font-variant-numeric:tabular-nums;color:var(--accent);font-weight:800;white-space:nowrap}
.readout{font-size:clamp(30px,8vw,46px);font-weight:850;font-variant-numeric:tabular-nums;color:var(--accent);text-align:center;margin:6px 0}
.meter{height:12px;background:#e3e8f0;border-radius:8px;overflow:hidden;margin:8px 0}.meter>span{display:block;height:100%;width:0;background:linear-gradient(90deg,#3ca56b 0,#3ca56b 60%,#e2b13c 80%,#d9534f 100%);transition:width .08s linear}
.chips{display:flex;flex-wrap:wrap;gap:8px}.chips .btn{flex:1 1 130px}
.saved{list-style:none;padding:0;margin:10px 0 0;display:grid;gap:8px}
.saved li{display:flex;flex-wrap:wrap;gap:8px;align-items:center;background:#f5f7fb;border-radius:12px;padding:8px 10px}
.saved .name{flex:1 1 120px;min-width:0;overflow-wrap:anywhere;font-weight:700}
/* ambient-mixer */
.section-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-bottom:6px}.section-head h2{margin:0}.head-actions{display:flex;flex-wrap:wrap;gap:8px}
.layout-bottom{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:20px;align-items:start}.layout-bottom>.panel+.panel{margin-top:0}
.track-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.track{border:1px solid var(--line);border-radius:16px;padding:12px 14px 14px;background:#fbfcfe;min-width:0}
.track.on{border-color:var(--accent);background:var(--soft)}
.track-head{display:flex;align-items:center;gap:10px}.track-icon{font-size:26px;line-height:1}.track-name{font-weight:800;flex:1;min-width:0;overflow-wrap:anywhere}
.track .toggle{min-width:84px}
/* audio-trimmer */
.progress-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:10px 0}.progress-row progress{flex:1 1 140px;height:14px;accent-color:var(--accent)}
.tools-grid{grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr))}
.wave-box{position:relative;border-radius:14px;overflow:hidden;background:#101a2e}
.wave-box canvas{display:block;width:100%;height:200px;touch-action:none;cursor:crosshair}
.view-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:10px 0}
.view-bar input[type=range]{flex:1 1 180px}
.time-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.time-grid .input{font-variant-numeric:tabular-nums}
.ops{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px;margin:10px 0}
.ops .btn{width:100%}
.file-info{font-size:14px;color:var(--muted);line-height:1.6;overflow-wrap:anywhere}
.region-list{max-height:180px;overflow:auto;font-size:13px;line-height:1.7;color:var(--muted);font-variant-numeric:tabular-nums}
.legend{display:flex;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--muted);margin:8px 0}.legend i{display:inline-block;width:14px;height:10px;border-radius:3px;margin-right:5px;vertical-align:middle}
/* licenses page */
.scroll-x{overflow-x:auto}.lic-table{border-collapse:collapse;width:100%;font-size:13px}.lic-table th,.lic-table td{border-bottom:1px solid var(--line);padding:8px 6px;text-align:left;vertical-align:top;overflow-wrap:anywhere}.lic-table code{word-break:break-all}.lic-list li{line-height:1.7;overflow-wrap:anywhere}code{font-size:12px;overflow-wrap:anywhere}
@media(max-width:600px){.lic-table thead{display:none}.lic-table tr{display:block;border-bottom:1px solid var(--line);padding:6px 0}.lic-table td{display:block;border:0;padding:3px 0}}
/* voice-changer */
.fx-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:8px}
.fx-grid .btn{flex-direction:column;min-height:72px;gap:2px}.fx-grid .btn span{font-size:24px;line-height:1}
.status-dot{display:inline-block;width:10px;height:10px;border-radius:50%;background:#b5bfcd;margin-right:6px}.status-dot.live{background:#d9534f;box-shadow:0 0 0 4px #d9534f33}
.warn-box{background:#fff8e6;border:1px solid #f1dca4;color:#6b4f12;border-radius:12px;padding:10px 13px;line-height:1.6;font-size:14px;margin:10px 0}
@media(max-width:860px){.layout,.layout-bottom{grid-template-columns:minmax(0,1fr)}main{padding:18px 12px 40px}.panel{padding:16px}.header{padding:10px 12px}.wave-box canvas{height:170px}}
@media(max-width:400px){.two,.time-grid{grid-template-columns:minmax(0,1fr)}.btn{padding:9px 10px}.brand{font-size:15px}.track-grid{grid-template-columns:minmax(0,1fr)}.fx-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}