/* Silence Remover — tool styles, scoped to #st. Tool colour tokens live on :root so the waveform canvas can read them. */
:root{--cut:#c9ced8;--wave-keep:#4f6bff;--danger:#c2352b;--sel:rgba(40,90,200,.16);--f-display:var(--f-sans);--f-body:var(--f-sans)}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--cut:#343b49;--wave-keep:#7088ff;--danger:#ff7b72;--sel:rgba(120,170,255,.18)}}
:root[data-theme=dark]{--cut:#343b49;--wave-keep:#7088ff;--danger:#ff7b72;--sel:rgba(120,170,255,.18)}
#st{display:flex;flex-direction:column;gap:18px}
#st .tool-head{display:flex;flex-direction:column;gap:8px}
#st .tool-head p{margin:0;color:var(--muted);max-width:66ch}
#st .drop>div{flex:1 1 240px!important}
#st .drop .fname{flex:1 1 auto}
@media (max-width:620px){#st .stats{grid-template-columns:repeat(2,minmax(0,1fr))}#st .bar .btn{flex:1 1 auto}}
#st .drop{border:1.5px dashed var(--line);border-radius:10px;padding:18px;display:flex;gap:14px;align-items:center;flex-wrap:wrap;background:var(--panel);cursor:pointer;transition:border-color .15s}
#st .drop.over,#st .drop:focus-within{border-color:var(--accent)}
#st .drop strong{font-family:var(--f-display);font-size:17px}
#st .drop .sub{color:var(--muted);font-size:13px}
#st .fname{font-family:var(--f-mono);font-size:13px;color:var(--fg);min-width:0;overflow-wrap:anywhere}
#st .tag{font-family:var(--f-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;background:var(--accent-soft);color:var(--fg);padding:2px 8px;border-radius:99px}
#st .btn{font:600 14px var(--f-body);border:1px solid var(--line);background:var(--panel);color:var(--fg);padding:9px 14px;border-radius:8px;cursor:pointer;display:inline-flex;gap:8px;align-items:center}
#st .btn:hover{border-color:var(--muted)}
#st .btn:focus-visible,#st input:focus-visible,#st select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
#st .btn.primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
#st .btn:disabled{opacity:.45;cursor:not-allowed}
#st .stage{background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden}
#st .stage-head{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:12px 16px;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
#st .legend{display:flex;gap:14px;flex-wrap:wrap}
#st .legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:6px;vertical-align:-1px}
#st .scroller{overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch}
#st canvas{display:block;width:100%;height:150px;cursor:crosshair;touch-action:none}
#st .edit{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;padding:10px 16px;border-top:1px solid var(--line)}
#st .zoom,#st .selbar{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
#st .zoom #zoomVal{font-family:var(--f-mono);font-size:12px;color:var(--muted);min-width:2.5em;text-align:center}
#st .pos{font-family:var(--f-mono);font-size:13px;font-variant-numeric:tabular-nums;margin-left:10px}
#st .selinfo{font-family:var(--f-mono);font-size:12px;color:var(--muted);margin-right:4px}
#st .btn.sm{padding:5px 10px;font-size:13px}
#st .btn.keep:not(:disabled){border-color:var(--accent)}
#st .btn.cut:not(:disabled){border-color:var(--danger);color:var(--danger)}
#st .hint{margin:0;padding:0 16px 10px;font-size:12.5px;color:var(--muted)}
#st .stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line)}
#st .stat{padding:12px 16px;border-right:1px solid var(--line)}
#st .stat:last-child{border-right:0}
#st .stat b{display:block;font-family:var(--f-mono);font-weight:500;font-size:19px;font-variant-numeric:tabular-nums}
#st .stat span{font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}
#st .stat.hl b{color:var(--accent)}
#st .controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
#st .ctl{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 16px;display:flex;flex-direction:column;gap:8px;min-width:0}
#st .ctl label{font-weight:600;font-size:14px;display:flex;justify-content:space-between;gap:8px}
#st .ctl label output{font-family:var(--f-mono);font-weight:500;color:var(--accent);font-variant-numeric:tabular-nums}
#st .ctl p{margin:0;font-size:12.5px;color:var(--muted)}
#st input[type=range]{width:100%;accent-color:var(--accent)}
#st .link{background:none;border:0;padding:0;color:var(--accent);font:600 12.5px var(--f-body);cursor:pointer;text-align:left}
#st .bar{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
#st .bar .grow{flex:1}
#st select{font:500 14px var(--f-body);padding:8px 10px;border-radius:8px;border:1px solid var(--line);background:var(--panel);color:var(--fg)}
#st .msg{font-size:13.5px;color:var(--muted);min-height:1.4em}
#st .msg.err{color:var(--danger)}
#st .fx{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px;display:flex;flex-direction:column;gap:14px}
#st .fx-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
#st .fx h2{font-family:var(--f-display);font-size:20px;margin:0}
#st .presets{display:flex;gap:6px;flex-wrap:wrap}
#st .chip{font:500 13px var(--f-body);border:1px solid var(--line);background:transparent;color:var(--fg);padding:5px 11px;border-radius:99px;cursor:pointer}
#st .chip.on{background:var(--accent-soft);border-color:var(--accent)}
#st .chip:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
#st .fx-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
#st .fxi{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border:1px solid var(--line);border-radius:8px;cursor:pointer;min-width:0}
#st .fxi:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}
#st .fxi input{accent-color:var(--accent);margin-top:3px}
#st .fxi b{display:block;font-size:14px;font-weight:600}
#st .fxi small{display:block;font-size:12px;color:var(--muted);line-height:1.35}
#st .fx-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
#st .note{margin:0;font-size:13.5px;color:var(--muted)}
#st .chip:disabled{cursor:default;opacity:.55}
#st .chip.on:disabled{opacity:1}
#st .adv summary{cursor:pointer;font-weight:600;font-size:14px;padding:4px 0}
#st .adv summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
#st .adv .controls{margin-top:10px}
@media (max-width:720px){#st .fx-grid,#st .fx-grid.two{grid-template-columns:1fr}}
#st .tips{font-size:13.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px}
#st .tips ul{margin:6px 0 0;padding-left:18px;display:grid;gap:4px}
@media (max-width:720px){#st .controls{grid-template-columns:1fr}
#st .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
#st .stat:nth-child(2){border-right:0}
#st .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media (prefers-reduced-motion:reduce){#st *{transition:none!important}}
#st .bar{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px}
#st .bar+.msg{margin-top:-8px}
#st .fx[data-pro]{position:relative;opacity:.55;user-select:none}
#st .fx[data-pro] *{cursor:not-allowed}
#st .pro{display:inline-block;margin-left:8px;padding:2px 8px;border-radius:99px;background:var(--accent);color:#fff;font:600 11px/1.5 var(--f-mono);letter-spacing:.06em;vertical-align:3px}