:root{color-scheme:light;--paper:#f5f8f4;--green:#28684f;--green-hover:#20553f;--ink:#152027;--muted:#738088;--line:#d6dfda;--track:#dce3e0;font-family:Arial,Helvetica,sans-serif;font-synthesis:none;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}body{margin:0;padding-bottom:18px;min-width:300px}button,input{font:inherit}button{cursor:pointer;border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--ink);transition:background .15s,border-color .15s,box-shadow .15s}button:hover:not(:disabled){border-color:var(--green);background:#eaf1eb}button:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid #669b7e;outline-offset:4px}button:disabled{cursor:default;color:#a4b1b4;background:#e6ece8;border-color:transparent}button.selected,.button.primary{background:var(--green);color:white;border-color:var(--green)}button.selected:hover,.button.primary:hover:not(:disabled){background:var(--green-hover)}button:active:not(:disabled){transform:translateY(1px)}[hidden]{display:none!important}.frame{width:calc(100% - 12.8vw);max-width:1296px;margin-inline:auto}.topbar{height:74px;display:flex;align-items:center;justify-content:space-between}.brand{font-size:28px;line-height:1.2;font-weight:750;color:var(--green);text-decoration:none;letter-spacing:-1.1px}.button{height:62px;display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:0 18px;font-weight:500;font-size:16px;white-space:nowrap}.button svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.button svg.filled{fill:currentColor;stroke:none}.mute{height:52px;min-width:126px;font-size:14px;font-weight:600;gap:10px}.intro{text-align:center;padding-top:28px}.intro h1{font-size:50px;line-height:1.15;letter-spacing:-1.8px;font-weight:750;margin:0 0 9px}.intro p{font-size:20px;line-height:1.3;color:var(--muted);margin:0}.mode-switch{display:inline-flex;margin-top:28px;height:48px;border:1px solid var(--line);border-radius:11px;overflow:hidden}.mode-switch button{border:0;border-radius:9px;padding:0 32px;font-size:16px;font-weight:600}.workspace{display:grid;grid-template-columns:minmax(0,2.15fr) minmax(300px,1fr);margin-top:29px}.performance{padding:12px 26px 16px 0}h2{font-size:28px;letter-spacing:-.9px;font-weight:700;line-height:1.22;margin:0}.performance h2{font-size:32px}.readings{display:grid;grid-template-columns:1.2fr 1fr .9fr;gap:32px;margin-top:28px}.readings>div{min-width:0}.readings span{display:block;color:#58676f;font-size:16px;line-height:20px;margin-bottom:8px}.readings strong{display:block;font-size:32px;line-height:48px;font-weight:500;letter-spacing:-.6px;min-height:48px}.readings>div:first-child strong{font-size:42px}.readings #key{font-size:27px;white-space:nowrap}.readings #pitch{font-size:28px;white-space:nowrap}#signal{display:block;width:100%;height:64px;margin-top:16px}.levels{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:22px}.levels span{font-size:14px;line-height:20px;color:#58676f}.meter{height:15px;overflow:hidden;border-radius:8px;background:var(--track);margin-top:8px}.meter i{display:block;height:100%;width:0;background:var(--green);border-radius:inherit;transition:width .08s linear}.actions{display:grid;grid-template-columns:1.45fr .98fr 1.18fr;gap:16px;margin-top:40px}.actions .primary{font-size:18px}.recording{border-color:#467c64;font-size:14px;padding-inline:10px}.help{font-size:14px;color:var(--muted);line-height:1.5;min-height:21px;margin:14px 0 0}.help.error{color:#9e3a35}.follow-actions{margin-top:10px}.text-button{font-size:14px;font-weight:600;color:var(--green);border:0;background:transparent;padding:8px 0;text-decoration:underline;text-underline-offset:3px}.sound-panel{border-left:1px solid var(--line);padding:12px 0 20px 26px}.sound-options{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:24px 0 32px}.sound-options button{height:48px;font-size:14px;padding:0 8px;white-space:nowrap}.sound-panel label{display:block;font-size:16px;color:#58676f;margin-bottom:10px}.sound-panel label strong{font-weight:500;margin-left:4px}.sound-panel input{display:block;appearance:none;-webkit-appearance:none;width:100%;height:9px;margin:18px 0 14px;border:0;border-radius:8px;background:linear-gradient(to right,var(--green) 0,var(--green) var(--position),var(--track) var(--position),var(--track) 100%)}input[type=range]::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;height:27px;width:27px;border:1px solid #d9dfdc;border-radius:50%;background:white;box-shadow:0 2px 5px #102b1d20;cursor:pointer}input[type=range]::-moz-range-thumb{height:25px;width:25px;border:1px solid #d9dfdc;border-radius:50%;background:white;cursor:pointer}.manual{border-top:1px solid var(--line);margin-top:24px;padding-top:21px}.manual-heading-row{display:flex;justify-content:space-between;align-items:center;gap:12px}.quality{display:flex;gap:10px;margin:12px 0}.quality button{height:44px;min-width:108px;font-size:14px}.chords{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:10px}.chords button{height:52px;font-size:14px;font-weight:500}.manual-help{font-size:14px;color:#66767d;margin:12px 0 0;line-height:21px}footer{border-top:1px solid var(--line);margin-top:24px!important;padding:16px 0 0;text-align:center;font-size:12px;line-height:18px;color:#7b8890}
@media(min-width:1700px){.intro{padding-top:40px}.workspace{margin-top:45px}}
@media(max-width:1050px){.workspace{grid-template-columns:minmax(0,1.8fr) minmax(255px,1fr)}.actions{grid-template-columns:1.3fr .8fr}.recording{grid-column:1/-1;height:48px}.intro h1{font-size:43px}.readings{gap:16px}.readings #key{font-size:23px}.sound-options{grid-template-columns:1fr}.sound-options button{height:42px}.sound-options{margin-bottom:26px}.chords{gap:7px}.chords button{height:46px}}
@media(max-width:700px){body{padding-bottom:22px}.frame{width:calc(100% - 40px)}.topbar{height:74px;position:sticky;top:0;background:var(--paper);z-index:5}.brand{font-size:24px}.mute{min-width:110px;height:44px;padding:0 12px;font-size:13px}.intro{padding-top:20px}.intro h1{font-size:34px;letter-spacing:-1.1px;max-width:370px;margin-inline:auto}.intro p{font-size:15px;line-height:1.5;margin-top:10px}.mode-switch{height:46px;margin-top:22px;width:100%;max-width:360px}.mode-switch button{flex:1;padding:0 14px;font-size:14px}.workspace{grid-template-columns:1fr;margin-top:26px}.performance{padding:0 0 25px}.performance h2{font-size:26px;letter-spacing:-.6px}.readings{gap:14px;margin-top:24px;grid-template-columns:1fr 1fr 1fr}.readings span{font-size:12px;line-height:17px;margin-bottom:6px}.readings strong{font-size:26px;line-height:40px;min-height:40px}.readings>div:first-child strong{font-size:37px}.readings #key{font-size:18px;letter-spacing:-.5px}.readings #pitch{font-size:20px}#signal{height:52px;margin-top:10px}.levels{gap:20px;margin-top:16px}.levels span{font-size:12px}.meter{height:12px}.actions{gap:10px;margin-top:28px;grid-template-columns:1.45fr 1fr}.button{height:54px;padding:0 12px;gap:8px;font-size:14px}.actions .primary{font-size:16px}.recording{height:46px}.help{font-size:13px;line-height:1.5;margin-top:12px}.sound-panel{border:0;border-top:1px solid var(--line);padding:24px 0 10px}.sound-panel h2,h2{font-size:24px}.sound-options{grid-template-columns:repeat(3,1fr);gap:7px;margin:18px 0 25px}.sound-options button{font-size:12px;padding:0 5px;height:43px}.sound-panel label{font-size:14px}.manual{margin-top:26px;padding-top:24px}.quality{margin-top:16px}.quality button{height:42px;min-width:99px}.chords{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.chords button{height:46px;font-size:14px}.manual-help{font-size:13px}.text-button{font-size:13px}footer{font-size:11px;margin-top:24px!important}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}