:root{color-scheme:dark;--bg:#0d1117;--panel:#121923;--line:#293444;--text:#e1e7ef;--muted:#8b98ab;--accent:#82aaff;--up:#32c8a0;--down:#ef7484;--mono:"Cascadia Code",Consolas,monospace;--sans:"Segoe UI","Microsoft YaHei",sans-serif}

*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;background:var(--bg);color:var(--text);font:12px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none;transition:background .15s,color .15s}
button:disabled,input:disabled{opacity:.35;cursor:not-allowed}
a{color:inherit;text-decoration:none}
button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.symbols{position:absolute;width:0;height:0;overflow:hidden}
#studio{max-width:1800px;margin:auto;padding:0 32px 24px;min-height:100dvh;display:flex;flex-direction:column}
.header{height:79px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:20px}
.brand{display:flex;align-items:center;gap:9px;font-size:21px;font-weight:650;letter-spacing:-.7px}
.brand svg{width:27px;height:27px;color:var(--accent)}
.brand span{font:9px var(--mono);color:#8b98ab;letter-spacing:1.5px;margin-left:8px;border-left:1px solid #293444;padding-left:17px}
.view-switch{display:flex;gap:5px;padding:4px;border-radius:7px;border:1px solid #293444;background:#10161f}
.view-switch button{padding:8px 22px;color:#8b98ab;border-radius:4px;letter-spacing:.4px;font-size:12px}
.view-switch .selected{color:#d9e6ff;background:#24334c}
.view-switch button:hover{color:var(--accent);background:#1e2b3e}
.icon-button{display:grid;place-items:center;width:31px;height:31px;color:#8b98ab;border-radius:5px}
.icon-button:hover{background:#18212e;color:var(--accent)}
.source-toolbar{display:flex;align-items:center;gap:13px;padding:20px 0;min-height:78px}
.source-select{display:flex;gap:11px;align-items:center;color:#8b98ab;font-size:10px;white-space:nowrap}
select{border:1px solid #293444;background:#18212e;border-radius:5px;padding:8px 11px;color:#c3cfdf;outline-offset:4px;font-size:11px}
.source-select select{min-width:166px}
.connect-button{display:flex;align-items:center;gap:7px;background:var(--accent);color:#10223e;border-radius:5px;padding:9px 14px;font-size:11px;white-space:nowrap}
.connect-button:hover{background:#a1bfff}
.connect-button svg{width:13px;height:13px;fill:currentColor}
.connect-button.is-playing svg{fill:none;stroke-width:3}
.file-button{display:flex;gap:5px;align-items:center;white-space:nowrap;font-size:10px;padding:8px 10px;border:1px solid #293444;border-radius:5px;color:#bac7d9}
.file-button:hover{background:#18212e}
.file-button svg{width:13px;height:13px}
.track-name{color:#8b98ab;font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.status{margin-left:auto;display:flex;align-items:center;gap:7px;color:#8b98ab;font-size:9px;white-space:nowrap}
.status i{width:5px;height:5px;background:#67778e;border-radius:50%}
.status i.live{background:var(--up)}
.chart{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:6px;display:flex;flex-direction:column;flex:1;min-height:450px;overflow:hidden}
.chart-heading{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;gap:15px}
.chart-heading>div:first-child{display:flex;gap:12px;align-items:baseline}
h1{margin:0;font-size:13px;letter-spacing:.5px;font-weight:500}
.chart-heading #axisDescription{font-size:9px;color:#8b98ab}
.chart-readout{display:flex;align-items:center;gap:16px;font-size:9px;color:#8b98ab}
.chart-readout #levelValue{font:10px var(--mono);color:#a8bad3}
.canvas-wrap{position:relative;flex:1;min-height:360px;margin:0 13px 8px}
.canvas-wrap canvas{position:absolute;width:100%;height:100%;inset:0}
.chart-tooltip{position:absolute;z-index:3;pointer-events:none;background:#1b2739f5;border:1px solid #41536c;border-radius:5px;padding:8px 11px;white-space:nowrap;font:10px/1.8 var(--mono);box-shadow:0 5px 20px #0004;color:#d8e2f0}
.controls{display:flex;align-items:center;gap:35px;padding:24px 0 8px}
.controls>label{font-size:10px;color:#a6b4c8;position:relative;flex:1;max-width:280px}
.controls output{float:right;color:#c5d5ef;font:10px var(--mono);padding-top:3px}
.controls input{margin-top:12px}
.controls .interval-control{margin-left:auto;flex:0;max-width:none;display:flex;gap:13px;align-items:center;white-space:nowrap}
.interval-control select{font:10px var(--mono);padding:7px 9px}
input[type=range]{appearance:none;-webkit-appearance:none;display:block;width:100%;height:3px;border:0;border-radius:5px;background:linear-gradient(to right,#82aaff var(--range-progress,50%),#35435a var(--range-progress,50%));cursor:pointer}
input[type=range]::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:10px;height:10px;background:#b5cdff;border:2px solid #121923;border-radius:50%;box-shadow:0 0 0 1px #6a8bc1}
input[type=range]::-moz-range-thumb{width:7px;height:7px;background:#b5cdff;border:2px solid #121923;border-radius:50%}
.media-controls{display:flex;align-items:center;gap:12px;border-top:1px solid #293444;padding:13px 0;color:#8b98ab;font:9px var(--mono)}
.media-controls>input{flex:1}
.media-controls label{display:flex;align-items:center;gap:10px;font:9px var(--sans);margin-left:25px}
.media-controls label input{width:90px}
.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,15px);padding:11px 18px;max-width:calc(100vw - 30px);border-radius:6px;box-shadow:0 8px 30px #0005;background:#1d2a3d;color:#e1e7ef;font-size:11px;z-index:10;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s}
.toast.visible{opacity:1;transform:translate(-50%,0)}
#studio:fullscreen{max-width:none;background:var(--bg);padding:0 25px 20px}
.drag-over .chart{border-color:var(--accent);background:#172438}
.frequency-mode #gainControl,.frequency-mode #randomControl{display:none}
.frequency-mode .controls{gap:28px}
.frequency-mode .controls>label{max-width:400px}
.frequency-mode .interval-control{max-width:none}
.frequency-mode .canvas-wrap{min-height:360px}

@media(min-height:900px){.chart{min-height:calc(100dvh - 250px)}
.canvas-wrap{min-height:500px}
}
@media(max-width:900px){#studio{padding:0 20px 15px}
.brand span{display:none}
.view-switch button{padding:7px 16px}
.controls{gap:22px}
.source-toolbar{gap:10px}
.track-name{max-width:160px}
.controls .interval-control{display:block;min-width:88px}
.interval-control select{display:block;margin-top:7px;padding:5px 8px}
.chart-heading{padding:16px 17px}
}

@media(max-width:600px){#studio{padding:0 13px 13px}
.header{height:65px;gap:10px}
.brand{font-size:17px;gap:6px}
.brand svg{width:21px;height:21px}
.view-switch{gap:2px;padding:3px}
.view-switch button{font-size:10px;padding:6px 10px}
.icon-button{width:24px;height:24px}
.icon-button svg{width:15px;height:15px}
.source-toolbar{gap:8px;flex-wrap:wrap;padding:15px 0}
.source-select{font-size:0;gap:0}
.source-select select{min-width:147px;font-size:10px;padding:7px 8px}
.connect-button{font-size:10px;padding:8px 10px}
.connect-button svg{width:11px;height:11px}
.status{font-size:8px;gap:5px}
.track-name{order:4;max-width:100%;flex-basis:100%;font-size:8px}
.file-button{order:3;font-size:9px;padding:7px 8px}
.chart{min-height:470px}
.chart-heading{padding:13px;align-items:flex-start}
.chart-heading>div:first-child{display:block}
h1{font-size:12px}
.chart-heading #axisDescription{display:block;font-size:8px;margin-top:3px}
.chart-readout{gap:0;padding-top:2px}
.chart-readout #levelValue{font-size:9px}
.canvas-wrap{margin:0 5px;min-height:370px}
.controls{display:grid;grid-template-columns:1fr 1fr;gap:20px 25px;padding:19px 2px 17px}
.controls>label{max-width:none;font-size:9px}
.controls output{font-size:9px;padding-top:1px}
.controls .interval-control{margin-left:0;display:flex;gap:10px}
.interval-control select{margin-top:0;padding:7px 8px}
.frequency-mode .controls{display:flex;gap:25px;align-items:center}
.frequency-mode .controls>label{flex:1}
.frequency-mode .controls .interval-control{flex:0}
.media-controls{gap:8px;padding:12px 0;font-size:8px}
.media-controls label{margin-left:8px;gap:5px;font-size:8px}
.media-controls label input{width:52px}
.chart-tooltip{font-size:8px;white-space:normal;max-width:calc(100% - 10px)}
.toast{font-size:10px}
}

@media(prefers-reduced-motion:reduce){*{transition:none!important}
}

@media(max-width:600px){.frequency-mode .controls .interval-control{flex:0 0 auto;min-width:0}
}

.frequency-mode .controls{display:flex}
.frequency-mode .controls .interval-control{display:none}


.source-message{margin:0;font-size:11px;color:#e3b885;padding:11px 22px;border-top:1px solid var(--line)}

.controls>label{font-size:11px}
.controls output{font-size:11px}
.chart-heading #axisDescription{font-size:10px}
.chart-readout #levelValue{font-size:11px}
.source-select{font-size:11px}
.source-select select{font-size:12px}
.connect-button{font-size:12px}
.status{font-size:10px}
.track-name{font-size:11px}
.canvas-wrap{margin-bottom:8px}

@media(max-width:600px){.source-select{font-size:0}
.source-select select,.connect-button,.controls>label,.controls output{font-size:10px}
.status,.track-name{font-size:9px}
.chart-heading #axisDescription{font-size:9px}
.chart-readout #levelValue{font-size:10px}
.source-message{padding:10px 12px;font-size:10px}
}