@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;550;600;650;700&family=Manrope:wght@400;500;600;650;700;750;800&display=swap');
:root{color-scheme:dark;--bg:#101817;--panel:#17201f;--line:#2b3431;--text:#f0f3e9;--muted:#9aa69d;--accent:#c6eaa0;--orange:#ed9976;--teal:#80bcb0}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px 'DM Sans',sans-serif}button,input,a,label{ -webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}button,a,input,[tabindex]{outline-offset:5px}button:focus-visible,a:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent)}button{border:0}a{color:inherit;text-decoration:none}.topbar{height:88px;max-width:1600px;margin:auto;padding:0 48px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font:750 22px Manrope,sans-serif;letter-spacing:-.8px}.brand-mark{font:36px Georgia;color:var(--accent);line-height:1}.brand-light{font-weight:400;color:#c6ccc3}.top-note{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:12px}.live-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px #c6eaa025}.quiet{background:transparent;font-size:12px}.quiet span{margin-left:14px;color:var(--accent)}main{max-width:1600px;margin:auto;padding:0 48px}.intro{display:flex;justify-content:space-between;align-items:center;padding:41px 0 32px}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:600;color:var(--accent);margin:0 0 12px}h1{font:600 clamp(25px,2.65vw,39px) Manrope,sans-serif;letter-spacing:-1.5px;margin:0 0 12px}.intro p:not(.eyebrow){color:var(--muted);margin:0;font-size:13px}.intro-formula{font:italic 19px Georgia;color:#667b69;margin-top:17px}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;align-items:start}.stage-panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;overflow:hidden}.stage-top{height:58px;display:flex;align-items:center;justify-content:space-between;padding:0 24px;border-bottom:1px solid #27322d}.stage-top>div{display:flex;align-items:center;gap:10px;font-weight:500;font-size:13px}.badge{color:#7e8c82;font:500 8px 'DM Sans',sans-serif;letter-spacing:1.3px;margin-left:6px;padding:5px 7px;border:1px solid var(--line);border-radius:4px}.icon-button{background:transparent;color:var(--muted);font-size:25px;line-height:1;width:36px;height:36px;border-radius:8px}.icon-button:hover{background:#ffffff09;color:var(--text)}.canvas-wrap{position:relative;width:100%;aspect-ratio:1.38;min-height:420px;background:radial-gradient(ellipse at 61% 60%,#1d2922 0%,#151e1b 65%);overflow:hidden}canvas{display:block;width:100%;height:100%}.axis-label{position:absolute;pointer-events:none;font:italic 18px Georgia;color:var(--teal)}.axis-label span{font:10px 'DM Sans';color:#778b7d;margin-left:8px}.axis-x{left:47%;top:6%}.axis-y{left:5%;top:50%;color:#d5ba6d}.axis-y span{display:block;margin:6px 0 0}.stage-hint{position:absolute;bottom:25px;width:100%;text-align:center;color:#697b6e;font-size:10px;letter-spacing:.2px;pointer-events:none}.transport{display:flex;align-items:center;gap:12px;padding:19px 24px;background:#19231f;border-top:1px solid var(--line);height:83px}.play-button{width:40px;height:40px;flex-shrink:0;border-radius:50%;color:#17211b;background:var(--accent);font-size:20px;font-weight:700;box-shadow:0 0 20px #c6eaa009}.play-button:hover{background:#d5f5b7}.timeline{flex:1;margin:0 10px}.timeline>div{display:flex;justify-content:space-between;font-size:9px;color:var(--muted);letter-spacing:1px;margin-bottom:6px}.timeline output{font-size:10px;letter-spacing:0}.timeline input{margin:0}.keyboard-hint{font-size:8px;color:#829082;border:1px solid #3a473b;border-radius:4px;padding:4px 5px}.keyboard-hint span{display:block;border:0;text-align:center;font-size:9px;margin-top:3px}.controls{background:var(--panel);border:1px solid var(--line);border-radius:16px}.control-section{padding:22px;border-bottom:1px solid var(--line)}.control-section:last-child{border-bottom:0}.section-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:17px}.section-heading h2{font:600 14px Manrope,sans-serif;margin:0}.section-heading>span{font-size:9px;color:#65716a}.upload-area{display:flex;align-items:center;flex-direction:column;border:1px dashed #4c5945;border-radius:10px;background:#202a21;padding:16px 8px;cursor:pointer;transition:background .2s,border-color .2s}.upload-area:hover,.upload-area.dragging{background:#293729;border-color:var(--accent)}.upload-symbol{display:grid;place-items:center;width:30px;height:30px;border:1px solid #5a6d4c;border-radius:8px;color:var(--accent);font-size:20px;margin-bottom:8px}.upload-area strong{font-size:12px;font-weight:500}.upload-area>span:not(.upload-symbol){font-size:10px;color:var(--muted);margin:6px 0}.upload-area small{font-size:9px;color:#73806e;margin-top:2px}.upload-status{font-size:11px;color:var(--accent);line-height:1.5;margin:8px 0 0;overflow-wrap:anywhere}.upload-status:empty{display:none}.upload-status.error{color:#f9ae97}.preset-label{font-size:8px;letter-spacing:1px;color:#7f8b7f;margin:17px 0 9px}.presets{display:flex;gap:7px}.preset{flex:1;background:#1b2521;border:1px solid #344039;border-radius:7px;padding:9px 3px;color:#96a18f;font-size:17px}.preset span{font-size:10px;margin-left:3px}.preset.active{background:#2c3a28;border-color:#63764f;color:var(--accent)}.preset:hover{border-color:#758966}.harmonic-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.harmonic-heading label,.label-row{font-size:11px;color:#b6bfb2}.harmonic-heading output{font:600 26px Manrope;letter-spacing:-1px;color:var(--accent)}.harmonic-heading output span{font:10px 'DM Sans';letter-spacing:0;color:var(--muted)}input[type=range]{width:100%;height:4px;margin:4px 0 8px;accent-color:var(--accent);appearance:none;background:linear-gradient(to right,var(--accent) var(--fill,20%),#384239 var(--fill,20%));border-radius:10px;cursor:pointer}input[type=range]::-webkit-slider-thumb{appearance:none;width:12px;height:12px;border-radius:50%;background:var(--accent);border:3px solid var(--panel);box-shadow:0 0 0 1px var(--accent)}input[type=range]::-moz-range-thumb{width:8px;height:8px;border-radius:50%;background:var(--accent);border:2px solid var(--panel);box-shadow:0 0 0 1px var(--accent)}.range-ends{display:flex;justify-content:space-between;font-size:9px;color:#7e8a7b;margin-top:2px}.quick-values{display:flex;gap:6px;margin:14px 0 17px}.quick-values button{flex:1;background:#202a23;border:1px solid #364239;border-radius:5px;color:#9fac9d;padding:6px 0;font-size:10px}.quick-values button.selected{background:#c6eaa0;color:#1a271a;border-color:var(--accent)}.accuracy{display:flex;align-items:center;justify-content:space-between;padding:13px 14px;background:#202b23;border-radius:9px}.metric-label{display:block;font-size:8px;letter-spacing:1.1px;color:#8ca07e;margin-bottom:5px}.accuracy strong{font:500 27px Manrope;letter-spacing:-1px;color:var(--accent)}.accuracy strong small{font-size:15px}.accuracy svg{width:65px;color:#89a470}.microcopy{font-size:10px;color:#879581;line-height:1.7;margin:9px 0 0}.label-row{display:flex;justify-content:space-between;margin:0 0 12px}.label-row output{color:var(--accent)}.toggles{margin:16px 0 17px;display:grid;gap:12px}.toggles label{display:flex;justify-content:space-between;align-items:center;position:relative;cursor:pointer;font-size:11px;color:#a9b4a4}.toggles label>span:first-child{display:flex;align-items:center;gap:8px}.legend{width:7px;height:7px;border-radius:50%;display:inline-block}.original{background:#89947e}.circles{background:var(--teal)}.guides{background:#ccb76f}.toggles input{position:absolute;right:0;opacity:0;width:31px;height:18px;cursor:pointer}.switch{width:29px;height:16px;background:#354239;border-radius:10px;pointer-events:none;transition:background .15s}.switch:after{content:'';display:block;margin:3px;width:10px;height:10px;border-radius:50%;background:#8d9d88;transition:transform .15s}.toggles input:checked+.switch{background:#789663}.toggles input:checked+.switch:after{background:#e2f0d2;transform:translateX(13px)}.toggles input:focus-visible+.switch{outline:2px solid var(--accent);outline-offset:4px}.export-button{width:100%;background:transparent;border:1px solid #4d5d43;border-radius:7px;padding:11px;font-size:15px;color:var(--accent)}.export-button span{font-size:11px;margin-left:7px}.export-button:hover{background:#293729}footer{display:flex;justify-content:space-between;align-items:center;padding:23px 0;color:#73816f;font-size:10px}footer p{display:flex;align-items:center;gap:9px;margin:0}.footer-mark{color:var(--accent);font:24px Georgia}dialog{max-width:530px;width:calc(100% - 36px);border:1px solid #485a44;border-radius:18px;padding:35px;background:#19241d;color:var(--text);box-shadow:0 20px 100px #0009}dialog::backdrop{background:#07100bba;backdrop-filter:blur(5px)}dialog h2{font:600 23px Manrope;margin:10px 0 20px}dialog p:not(.eyebrow){line-height:1.8;color:#b3c0aa;font-size:13px}dialog .microcopy{font-size:11px!important}.dialog-close{position:absolute;right:14px;top:12px}.formula{font:italic 20px Georgia;color:var(--accent);background:#243120;padding:20px;border-radius:8px;text-align:center}.stage-panel:fullscreen{display:flex;flex-direction:column;border-radius:0}.stage-panel:fullscreen .canvas-wrap{flex:1;aspect-ratio:auto}.stage-panel:fullscreen .stage-top,.stage-panel:fullscreen .transport{flex-shrink:0}@media(min-width:1500px){.canvas-wrap{aspect-ratio:1.54}}@media(max-width:1100px){main,.topbar{padding-left:26px;padding-right:26px}.workspace{grid-template-columns:minmax(0,1fr) 290px;gap:16px}.control-section{padding:19px}.intro-formula{display:none}.canvas-wrap{aspect-ratio:auto;height:625px}.keyboard-hint{display:none}.axis-label span{display:none}}@media(max-width:800px){.topbar{height:72px}.top-note{display:none}.intro{padding:29px 0 25px}h1{letter-spacing:-1px}.intro p:not(.eyebrow){max-width:320px;font-size:12px;line-height:1.7}.workspace{grid-template-columns:1fr}.canvas-wrap{height:auto;min-height:370px;aspect-ratio:1.2}.controls{display:grid;grid-template-columns:1fr 1fr}.control-section{border-bottom:0}.control-section:first-child{grid-column:1/-1;border-bottom:1px solid var(--line)}.control-section:nth-child(2){border-right:1px solid var(--line)}.upload-area{padding:12px}.upload-symbol{display:none}.presets{max-width:400px}.upload-area>span:not(.upload-symbol){font-size:11px}.axis-label span{display:inline}.transport{padding:17px}.timeline{margin-right:0}footer{gap:15px}footer>span{text-align:right}}@media(max-width:450px){main,.topbar{padding-left:16px;padding-right:16px}.brand{font-size:19px;gap:8px}.quiet{font-size:10px}.controls{display:block}.control-section{border-bottom:1px solid var(--line)!important}.control-section:nth-child(2){border-right:0}.control-section:last-child{border-bottom:0!important}.canvas-wrap{min-height:350px}.axis-label span{display:none}.stage-top{padding:0 17px}.badge{font-size:7px}.stage-hint{font-size:9px}.intro h1{font-size:25px}.transport{gap:7px}.timeline{margin-left:2px}footer{align-items:flex-start;font-size:9px}.formula{font-size:16px}}
.quiet svg{margin-left:12px;color:var(--accent);vertical-align:middle}.play-button{display:grid;place-items:center}.stage-top>div{min-width:0}#shapeName{max-width:230px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media(max-width:450px){#shapeName{max-width:145px}}