.tool-page:has(.spectral-page){width:min(1440px,calc(100% - 48px));max-width:1440px}.spectral-page{--sp-ink:#1e2334;--sp-muted:#72798a;--sp-line:#e6e8f0;--sp-accent:#7153d9;color:var(--sp-ink);min-width:0}.spectral-studio{position:relative;display:grid;grid-template-rows:auto auto minmax(0,1fr) auto;height:clamp(680px,82svh,880px);min-width:0;overflow:hidden;border:1px solid #dde1ec;border-radius:22px;background:#fff;box-shadow:0 20px 70px -35px #1e234d45,0 2px 6px #1e234d06;isolation:isolate}.spectral-studio :is(button,a,input,select){font:inherit;box-sizing:border-box}.spectral-studio :is(button,a){-webkit-tap-highlight-color:transparent}.spectral-studio a,.spectral-studio button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:44px;padding:9px 12px;margin:0;border:1px solid var(--sp-line);border-radius:10px;background:#fff;color:var(--sp-ink);font-size:12px;font-weight:650;line-height:1.3;text-decoration:none;cursor:pointer;flex:none}.spectral-studio a:hover,.spectral-studio button:hover:not(:disabled){background:#fff;border-color:#b6a9e6;color:#6544c9}.spectral-studio :is(button,input,select,a):focus-visible{outline:3px solid #a08bed;outline-offset:3px}.spectral-studio button:disabled{cursor:default;opacity:.4}.spectral-studio button[aria-pressed=true]{border-color:var(--sp-accent);color:#6846d0;box-shadow:inset 0 0 0 1px #7153d9;background:#fff}.spectral-studio :is(h2,h3,p){margin:0}.spectral-studio .spectral-primary{border-color:#7153d9;color:#6746cf;box-shadow:0 3px 12px #7153d912}.spectral-header{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 22px;border-bottom:1px solid var(--sp-line);background:#fff}.spectral-brand{display:flex;align-items:center;gap:12px;min-width:0}.spectral-brand>span{display:grid;place-items:center;width:42px;height:42px;border:1px solid #ddd5f4;border-radius:13px;color:#7153d9}.spectral-brand>div{display:grid;gap:5px}.spectral-brand strong{font-size:11px;font-weight:800;letter-spacing:.13em}.spectral-brand small{color:var(--sp-muted);font-size:11px}.spectral-header-actions{display:flex;gap:8px}.spectral-toolbar{display:flex;justify-content:space-between;gap:12px;padding:10px 20px;border-bottom:1px solid var(--sp-line);min-width:0}.spectral-tool-group{display:flex;gap:5px}.spectral-tool-group button{padding:8px 12px;border-color:transparent}.spectral-undo{display:flex;gap:5px}.spectral-undo button{width:44px;padding:8px}.spectral-body{display:grid;grid-template-columns:minmax(0,1fr) 310px;min-width:0;min-height:0;overflow:hidden}.spectral-canvas-panel{display:grid;grid-template-rows:auto minmax(0,1fr) auto;min-width:0;min-height:0;padding:14px 18px 12px;background:#fff}.spectral-canvas-heading{display:flex;gap:10px;align-items:center;justify-content:space-between;min-width:0;padding:0 0 14px}.spectral-canvas-heading>span{flex:1;min-width:0;max-width:380px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#525a6e;font-size:11px}.spectral-listen{display:flex;gap:3px;flex:none}.spectral-listen button{min-height:36px;padding:7px 9px;border-color:transparent;font-size:10px;border-radius:7px}.spectral-visual{display:grid;grid-template-columns:43px minmax(0,1fr);grid-template-rows:minmax(0,1fr) 24px 40px;min-height:0;min-width:0}.spectral-axis{position:relative;grid-column:1;grid-row:1;font-size:10px;color:#72798a;text-align:right}.spectral-axis>span{position:absolute;right:9px;transform:translateY(-50%);white-space:nowrap}.spectral-axis small{margin-left:2px;font-size:7px;color:#9298a7}.spectral-plot{position:relative;grid-column:2;grid-row:1;min-width:0;min-height:0;overflow:hidden;border-radius:12px;background:#040a18;touch-action:pan-y pinch-zoom;cursor:crosshair;user-select:none}.spectral-plot.touch-edit{touch-action:none}.spectral-plot.tool-pan{cursor:grab}.spectral-plot.tool-pan:active{cursor:grabbing}.spectral-plot>canvas,.spectral-plot>svg{display:block;position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.spectral-grid{stroke:#ffffff17;stroke-width:1}.spectral-grid line{vector-effect:non-scaling-stroke}.spectral-masks .reduce{fill:#e9d8ff12;stroke:#d8baff9c;stroke-width:1}.spectral-masks .restore{fill:#5fe4cd0b;stroke:#5fe4cd78;stroke-width:1}.spectral-masks .draft{stroke:#fff;stroke-width:1.5;stroke-dasharray:5 3}.spectral-playhead{position:absolute;top:0;bottom:0;width:1px;background:#fff;box-shadow:0 0 10px #fff9;pointer-events:none}.spectral-playhead:before{content:"";position:absolute;top:0;left:-4px;width:9px;height:9px;background:#fff;border-radius:0 0 5px 5px}.spectral-readout{position:absolute;right:10px;bottom:9px;padding:5px 7px;background:#040a18c9;color:#e2e4f6;font:10px monospace;border:1px solid #ffffff1a;border-radius:6px;pointer-events:none}.spectral-brush-cursor{position:absolute;border:1px solid #f6ebff;border-radius:50%;transform:translate(-50%,-50%);box-shadow:0 0 0 1px #08041c80;pointer-events:none}.spectral-brush-cursor.restore{border-color:#5fe4cd}.spectral-time-axis{position:relative;grid-column:2;grid-row:2;overflow:hidden;color:#8b90a0;font-size:9px}.spectral-time-axis>span{position:absolute;top:6px;transform:translateX(-50%);white-space:nowrap}.spectral-navigator{grid-column:2;grid-row:3;position:relative;min-width:0;border:1px solid var(--sp-line);border-radius:8px;overflow:hidden}.spectral-navigator>svg{position:absolute;inset:0;width:100%;height:100%}.spectral-navigator path{stroke:#af9ddf;stroke-width:1.1}.spectral-navigator rect{fill:#7153d908;stroke:#7153d9;stroke-width:1}.spectral-navigator>input{position:absolute;inset:0;width:100%;height:100%;min-height:0;margin:0;opacity:0;cursor:pointer}.spectral-navigator:focus-within{outline:2px solid #7153d9;outline-offset:2px}.spectral-canvas-foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;padding:12px 0 0 43px;font-size:9px;color:#9297a5}.spectral-canvas-foot>span{display:inline-flex;align-items:center;gap:5px}.spectral-canvas-foot>span:first-child>i,.spectral-ready-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:#70ad9b;flex:none}.spectral-color-key>i{width:50px;height:4px;border-radius:3px;background:linear-gradient(90deg,#141c4b,#aa318d,#ffbc65)}.spectral-touch-hint{display:none!important}.spectral-inspector{display:grid;grid-template-rows:auto minmax(0,1fr);min-width:0;min-height:0;border-left:1px solid var(--sp-line);overflow:hidden}.spectral-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:3px;padding:12px 10px;border-bottom:1px solid var(--sp-line)}.spectral-tabs button{min-width:0;padding:7px 4px;border-color:transparent;font-size:11px}.spectral-panel-content{min-height:0;overflow-y:auto;overflow-x:hidden;overscroll-behavior:auto;padding:20px 18px;display:flex;flex-direction:column;gap:19px;scrollbar-width:thin;scrollbar-color:#d8d3e7 #fff}.spectral-panel-title{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:24px}.spectral-panel-title h3{font-size:14px;letter-spacing:-.025em;font-weight:750}.spectral-panel-title>span{font-size:10px;color:#937fc4}.spectral-panel-title>button{min-height:30px;font-size:10px;padding:5px 8px}.spectral-segment{display:flex;gap:6px}.spectral-segment button{flex:1 1 0;min-width:0;font-size:10px;padding:10px 8px}.spectral-slider{display:grid;grid-template-columns:1fr auto;align-items:center;gap:8px;font-size:11px;color:#60677a;font-weight:600}.spectral-slider output{color:#7756c9;font-size:10px;font-variant-numeric:tabular-nums}.spectral-slider input[type=range]{grid-column:1/-1;appearance:none;-webkit-appearance:none;width:100%;height:28px;min-height:28px;margin:0;padding:0;background:transparent;border:0;cursor:pointer}.spectral-slider input[type=range]::-webkit-slider-runnable-track{height:3px;background:#e4dfed;border-radius:2px}.spectral-slider input[type=range]::-moz-range-track{height:3px;background:#e4dfed;border-radius:2px}.spectral-slider input[type=range]::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;height:15px;width:15px;margin-top:-6px;border:2px solid #8b72cf;border-radius:50%;background:#fff;box-shadow:0 1px 5px #46357220}.spectral-slider input[type=range]::-moz-range-thumb{height:12px;width:12px;border:2px solid #8b72cf;border-radius:50%;background:#fff}.spectral-field{display:flex;flex-direction:column;gap:7px;min-width:0;color:#72798a;font-size:10px;font-weight:600}.spectral-field :is(input,select){width:100%;min-width:0;min-height:42px;padding:9px 10px;margin:0;border:1px solid var(--sp-line);border-radius:8px;background:#fff;color:#34394c;font-size:12px;font-weight:500}.spectral-field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.spectral-exact{border:1px solid var(--sp-line);border-radius:12px;padding:0 12px 12px}.spectral-exact summary{padding:13px 0;font-size:11px;color:#697184;cursor:pointer}.spectral-exact:not([open]){padding-bottom:0}.spectral-exact .spectral-wide{margin-top:12px}.spectral-wide{width:100%}.spectral-presets{display:grid;gap:9px}.spectral-presets>span{font-size:10px;color:#8a90a0}.spectral-presets>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.spectral-presets button{min-width:0;font-size:10px;padding:8px 5px}.spectral-studio .spectral-micro{color:#697386;font-size:10px;line-height:1.75}.spectral-edit-list{margin:0;padding:0;list-style:none;display:grid;gap:10px}.spectral-edit-list li{display:flex;align-items:center;gap:9px;min-width:0}.spectral-edit-list li>div{display:grid;gap:5px;flex:1;min-width:0}.spectral-edit-list strong{font-size:11px;font-weight:600;overflow-wrap:anywhere}.spectral-edit-list small{font-size:9px;color:#9298a7}.spectral-edit-list button{padding:7px;width:36px;border-color:transparent}.spectral-edit-dot{width:6px;height:6px;border-radius:2px;background:#b79adf;flex:none}.spectral-edit-dot.restore{background:#74b3a4}.spectral-download-meta{text-align:center;font-size:10px;color:#9298a7}.spectral-transport{justify-content:space-between;gap:16px;padding:15px 20px;border-top:1px solid var(--sp-line);background:#fff}.spectral-player,.spectral-transport{display:flex;align-items:center;min-width:0}.spectral-player{gap:12px}.spectral-studio .spectral-play{width:44px;height:44px;border-radius:50%;border-color:#c6b8e9;color:#7153d9;padding:9px}.spectral-player>div{display:grid;gap:5px;white-space:nowrap}.spectral-player strong{font-size:11px;font-weight:600;font-variant-numeric:tabular-nums}.spectral-player strong>span{color:#a0a5b2;font-weight:400}.spectral-player small{font-size:9px;color:#9298a7}.spectral-studio .spectral-loop{border-color:transparent;font-size:10px}.spectral-preview-state{display:flex;align-items:center;justify-content:center;gap:7px;color:#8a90a0;min-width:0;font-size:10px;flex:1}.spectral-preview-state>span:not(.spectral-ready-dot){overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.spectral-preview-state button{min-height:32px;font-size:9px;padding:5px 8px}.spectral-export-shortcut{color:#7153d9!important;border-color:#d5c9ed!important}.spectral-studio>audio{display:none}.spectral-status{grid-column:1/-1;max-height:110px;overflow-y:auto;padding:8px 20px;border-top:1px solid var(--sp-line);font-size:11px}.spectral-status p{padding:4px 0;font-size:11px;overflow-wrap:anywhere}.spectral-status .local-job{display:flex;align-items:center;gap:10px;margin:0}.spectral-disclaimer{max-width:730px;margin:15px auto 0;text-align:center;color:#969aa4;font-size:11px;line-height:1.7}.spectral-studio:not(:has(.spectral-body)){display:flex;flex-direction:column;height:clamp(500px,70svh,730px)}.spectral-empty{flex:1;min-height:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:18px;padding:30px;overflow-y:auto}.spectral-empty-mark{width:130px;height:130px;position:relative;display:grid;place-items:center;color:#9c87ce}.spectral-empty-mark>div{position:absolute;inset:0;border:1px solid #eeeaf6;border-radius:50%}.spectral-empty-mark>div:nth-of-type(2){inset:15px;border-style:dashed;transform:rotate(20deg)}.spectral-empty-mark>div:nth-of-type(3){inset:30px}.spectral-kicker{color:#a08bbd;font-size:8px;font-weight:750;letter-spacing:.15em}.spectral-empty h2{font-size:clamp(23px,3vw,36px);letter-spacing:-.055em;font-weight:650}.spectral-empty>p{color:#8a8d9c;font-size:13px;line-height:1.9}.spectral-empty-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:5px 0}.spectral-empty>small{color:#a2a6b2;font-size:10px}.spectral-studio.is-expanded{position:fixed;inset:12px;width:auto;max-width:none;height:auto;z-index:1500;border-radius:18px;box-shadow:0 0 0 30px #f8f9fc}.spectral-studio.is-expanded .spectral-panel-content{overscroll-behavior:contain}@media (pointer:coarse){.spectral-touch-hint{display:inline-flex!important}.spectral-slider input[type=range]{height:44px;min-height:44px}}@media (max-width:900px){.spectral-body{grid-template-columns:minmax(0,1fr) 280px}.spectral-header{padding:14px 16px}.spectral-canvas-heading{flex-wrap:wrap;gap:6px}.spectral-canvas-heading>span{flex-basis:100%;max-width:100%}.spectral-listen{margin-left:auto}}@media (max-width:760px){.tool-page:has(.spectral-page){width:100%;max-width:none;padding-inline:0}.tool-page:has(.spectral-page)>:is(.tool-intro,.tool-instructions,.faq,.related-tools){padding-inline:12px}.tool-page:has(.spectral-page)>.back-link{margin-inline:12px}.spectral-studio{height:clamp(650px,90svh,860px);border-radius:0;border-inline:0;box-shadow:none}.spectral-header{gap:6px;padding:12px}.spectral-brand{gap:8px}.spectral-brand>span{width:32px;height:36px;border-radius:10px}.spectral-brand strong{font-size:9px;letter-spacing:.07em}.spectral-brand small{font-size:8px}.spectral-header-actions{gap:5px}.spectral-header-actions button{padding:7px 9px;font-size:10px}.spectral-header-actions button:first-child>span{display:none}.spectral-toolbar{padding:7px 10px;gap:4px}.spectral-tool-group{gap:1px;flex:1;justify-content:space-between}.spectral-tool-group button{flex-direction:column;gap:4px;font-size:8px;min-width:44px;padding:5px}.spectral-undo{gap:0}.spectral-undo button{width:44px;min-width:44px;padding:7px}.spectral-body{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(220px,1.12fr) minmax(180px,1fr)}.spectral-canvas-panel{padding:9px 12px}.spectral-canvas-heading{flex-wrap:nowrap;padding-bottom:8px}.spectral-canvas-heading>span{flex:1;font-size:9px}.spectral-listen{gap:1px}.spectral-listen button{min-height:36px;padding:6px 7px;font-size:9px}.spectral-visual{grid-template-columns:34px minmax(0,1fr);grid-template-rows:minmax(0,1fr) 22px 30px}.spectral-axis{font-size:8px}.spectral-axis>span{right:6px}.spectral-axis small{display:none}.spectral-plot{border-radius:9px}.spectral-canvas-foot{padding:8px 0 0 34px;font-size:8px;gap:5px}.spectral-color-key{display:none!important}.spectral-readout{font-size:8px;padding:4px;right:5px;bottom:5px}.spectral-inspector{border-left:0;border-top:1px solid var(--sp-line)}.spectral-tabs{padding:6px 12px;gap:5px}.spectral-tabs button{min-height:44px;font-size:10px}.spectral-panel-content{padding:14px 12px 20px;gap:14px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-content:start}.spectral-panel-content>:not(.spectral-slider){grid-column:1/-1}.spectral-panel-content>.spectral-slider{align-self:start}.spectral-panel-title h3{font-size:13px}.spectral-field :is(input,select){font-size:16px;min-height:44px}.spectral-field,.spectral-slider{font-size:10px}.spectral-slider input[type=range]{min-height:44px;height:44px}.spectral-transport{padding:10px 12px;gap:8px;flex-wrap:wrap}.spectral-player{gap:8px;flex:1}.spectral-player strong{font-size:10px}.spectral-player small{font-size:8px}.spectral-studio .spectral-loop{padding:5px;min-width:36px}.spectral-loop>span{display:none}.spectral-preview-state{order:3;flex-basis:100%;justify-content:flex-start;font-size:9px;min-height:14px}.spectral-preview-state button{margin-left:auto}.spectral-studio .spectral-play{width:40px;height:40px;min-height:40px}.spectral-export-shortcut{min-height:40px!important;padding:8px 11px!important;font-size:10px!important}.spectral-status{padding:6px 12px;max-height:90px}.spectral-disclaimer{padding:0 16px;font-size:10px}.spectral-studio.is-expanded{inset:max(6px,env(safe-area-inset-top)) max(6px,env(safe-area-inset-right)) max(6px,env(safe-area-inset-bottom)) max(6px,env(safe-area-inset-left));height:auto;border:1px solid var(--sp-line);border-radius:15px}.spectral-studio.is-expanded .spectral-body{grid-template-rows:minmax(140px,1.2fr) minmax(140px,1fr)}.spectral-empty{padding:20px 16px;gap:16px}.spectral-empty-mark{width:100px;height:100px}.spectral-empty-actions{flex-direction:column;width:100%;max-width:270px}}@media (max-height:550px) and (orientation:landscape){.spectral-studio.is-expanded .spectral-header{padding:6px 12px}.spectral-studio.is-expanded .spectral-toolbar{padding:4px 12px}.spectral-studio.is-expanded .spectral-body{grid-template-columns:minmax(0,1fr) 270px;grid-template-rows:minmax(0,1fr)}.spectral-studio.is-expanded .spectral-transport{padding:6px 12px}.spectral-studio.is-expanded .spectral-preview-state{order:0;flex-basis:auto}.spectral-studio.is-expanded .spectral-panel-content{display:flex}}@media (prefers-reduced-motion:reduce){.spectral-studio *,.spectral-studio :before{animation:none!important;transition:none!important}}.spectral-canvas-panel:has(.spectral-thread-strip){grid-template-rows:auto auto minmax(0,1fr) auto}.spectral-thread-strip{display:flex;align-items:center;gap:6px;min-width:0;padding:0 0 10px}.spectral-thread-strip>span{flex:1;min-width:0;color:#716184;font-size:11px;font-variant-numeric:tabular-nums}.spectral-thread-strip button{min-height:44px;padding:7px 10px;font-size:11px}.spectral-thread-controls{display:grid;gap:12px;border-bottom:1px solid var(--sp-line);padding-bottom:16px}.spectral-plot.tool-thread{cursor:pointer}@media (max-width:380px){.spectral-toolbar{flex-wrap:wrap}.spectral-tool-group{flex-basis:100%}.spectral-undo{margin-left:auto}}@media (max-width:760px){.spectral-thread-strip{gap:4px;padding-bottom:7px}.spectral-thread-strip>span{font-size:9px}.spectral-thread-strip button{font-size:10px;padding:7px 8px}}.spectral-plot.visualization-threads{background:#fff;box-shadow:inset 0 0 0 1px #e6e8f0}.visualization-threads .spectral-grid{stroke:#23345012}.visualization-threads .spectral-masks .reduce{fill:#7153d90b;stroke:#7052b5a6}.visualization-threads .spectral-masks .restore{fill:#087f7809;stroke:#087f789c}.visualization-threads .spectral-masks .draft{fill:#17203308;stroke:#172033;stroke-width:1.5}.visualization-threads .spectral-playhead{background:#263449;box-shadow:0 0 0 1px #ffffffb3}.visualization-threads .spectral-playhead:before{background:#263449}.visualization-threads .spectral-readout{background:#fff;color:#263449;border-color:#dce1eb;box-shadow:0 2px 8px #1720330d}.visualization-threads .spectral-brush-cursor{border-color:#6441b8;box-shadow:0 0 0 1px #fff}.visualization-threads .spectral-brush-cursor.restore{border-color:#087f78}