:root{color-scheme:light;--paper:#f5f3ec;--panel:#fcfbf6;--ink:#30382f;--muted:#73786b;--line:#d8ddcf;--green:#42654e;--pale:#e6eddf;font:12px/1.45 'Segoe UI',sans-serif;background:var(--paper);color:var(--ink)}
*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;min-width:280px}button,input,select{font:inherit;color:inherit}button,.file-button,select,input[type=number]{border:1px solid #c7d1be;background:var(--panel);border-radius:4px;min-height:29px;padding:5px 8px;line-height:1.3;font-size:11px}button,.file-button{cursor:pointer;text-align:center}button:hover:not(:disabled),.file-button:hover{background:var(--pale)}button:disabled{opacity:.45;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid #527b5b;outline-offset:2px}input[type=range],input[type=checkbox]{accent-color:#507550}input[type=range]{min-width:0;margin:0}input[type=checkbox]{margin:0}button.primary{background:var(--green);border-color:var(--green);color:white}a{color:var(--green)}
.audio-shell{height:100vh;height:100dvh;min-height:390px;display:flex;flex-direction:column}.app-header{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 14px;min-height:55px;border-bottom:1px solid var(--line);flex:none}.app-heading{display:flex;align-items:center;gap:8px}h1{font:400 25px/1.1 Georgia,serif;margin:0;letter-spacing:-.4px}.app-header a{font-size:10px;text-decoration:none;color:var(--muted)}.is-embedded .app-header{display:none}.master-bar{display:flex;align-items:center;gap:7px;padding:7px 10px;flex:none;border-bottom:1px solid var(--line)}.master-bar button{font-size:10px;white-space:nowrap}.state{font-size:10px;color:var(--muted)}.state.on{color:var(--green)}.volume{display:flex;align-items:center;gap:5px;font-size:10px;margin-left:auto;min-width:0}.volume input{width:90px}.volume output{width:28px;text-align:right;font-variant-numeric:tabular-nums}#panic{border-color:#cfb8a7;color:#8b4f3d;margin-left:3px}
.tabs{display:flex;gap:3px;padding:5px 9px;border-bottom:1px solid var(--line);overflow-x:auto;scrollbar-width:thin;flex:none}.tabs button{flex:1;border-color:transparent;background:transparent;min-height:30px;font-size:11px;white-space:nowrap}.tabs button[aria-selected=true]{border-color:#b8c8ab;background:#e0ead7;color:#294b31}.tool-panels{flex:1;min-height:100px;overflow:auto;overscroll-behavior:contain}.tool-panels>section{padding:14px 12px;max-width:980px;margin:auto}.keyboard-controls,.tone-controls,.metronome-controls,.scope-controls,.mic-controls{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px}.keyboard-controls>label,.tone-controls>label,.metronome-controls>label,.scope-controls>label,.mic-controls>label{display:flex;align-items:center;gap:5px;font-size:11px}.check{display:flex;align-items:center;gap:5px}.keyboard-controls select{max-width:110px;padding:4px 6px}.keyboard-controls{margin-bottom:13px}.keyboard-controls .check{margin-left:auto}
.piano{position:relative;display:flex;width:100%;height:190px;isolation:isolate;touch-action:none;border:1px solid #9caa91;border-radius:5px;background:#243b32;padding:0 1px 4px;box-shadow:0 3px 8px #18271918;user-select:none;-webkit-user-select:none}.piano button{position:relative;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:3px;padding:5px 0 9px;min-width:0;min-height:0;line-height:1;border-radius:0 0 3px 3px;touch-action:none;cursor:pointer;-webkit-user-select:none;user-select:none}.piano .white-key{flex:1;border:1px solid #b6bdaf;border-top:0;background:linear-gradient(#fffef8,#f1eee3);color:#617158;z-index:1;box-shadow:inset 0 -4px #deded1}.piano .white-key.active{background:linear-gradient(#c8e8d7,#9cc9b2);box-shadow:inset 0 -2px #7ca78f}.piano .black-key{position:absolute;top:0;height:62%;border:1px solid #172b22;background:linear-gradient(90deg,#1f342a,#3b5244 60%,#1a3025);color:#dce5d4;z-index:2;padding-bottom:10px;box-shadow:1px 3px 3px #0004,inset 0 -5px #10251a}.piano .black-key.active{background:linear-gradient(#31594b,#639b7a);box-shadow:inset 0 -2px #254c38}.key-name{font-size:9px}.black-key .key-name{display:none}.shortcut{font:10px/1 Consolas,monospace;opacity:.7}.black-key .shortcut{font-size:8px}.piano button:focus-visible{outline-offset:-3px;outline:2px solid #5d9678}.keyboard-caption{display:flex;justify-content:space-between;gap:10px;padding:8px 1px 10px;font-size:9px;color:var(--muted)}#note-readout{font-family:Consolas,monospace;color:#385e43}.sound-settings,.sound-files{border-top:1px solid var(--line)}summary{padding:8px 1px;cursor:pointer;color:#50674b;font-size:11px}.slider-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 18px;padding:5px 0 12px}.slider-grid label{display:grid;grid-template-columns:1fr auto;gap:5px;font-size:10px}.slider-grid label input{grid-column:1/-1;width:100%}.slider-grid output{color:var(--muted);font:10px Consolas,monospace}.file-actions{display:flex;align-items:center;flex-wrap:wrap;gap:6px}.file-actions button,.file-button{font-size:10px;min-height:27px;padding:4px 7px}.file-button{display:inline-flex;align-items:center;justify-content:center}.file-button:focus-within{outline:2px solid var(--green);outline-offset:2px}.sound-files .file-actions{padding:3px 0 10px}.file-actions #download-sound,.file-actions #download-recording{border-left:2px solid #b5c2aa}
.tone-readout{display:flex;justify-content:center;align-items:baseline;gap:9px;margin:24px 0 18px}.tone-readout strong{font:400 54px/1.1 Consolas,monospace;letter-spacing:-2px;color:#33593e}.tone-readout span{font-size:16px;color:var(--muted)}.field{display:flex;align-items:center;gap:10px;justify-content:center;font-size:11px}.frequency-field div{display:flex;align-items:center;gap:7px}.frequency-field input{width:110px;text-align:right}.wide-slider{display:block;width:100%;margin:20px 0!important}.tone-controls{justify-content:center;margin-top:22px}.tone-controls label input{width:80px}.tone-controls output{width:28px;font-size:10px}.tool-note{font-size:10px;color:var(--muted);margin:20px 0 5px;text-align:center}.tempo{display:flex;justify-content:center;align-items:center;gap:16px;margin:18px 0}.tempo>button{font-size:24px;width:38px;height:38px;line-height:1}.tempo label{display:flex;flex-direction:column;align-items:center;color:var(--muted);font-size:10px;gap:3px}.tempo input{width:120px;min-height:65px;text-align:center;background:transparent;border-color:transparent;font:45px/1 Consolas,monospace;color:#33593e;padding:0}.beats{display:flex;justify-content:center;gap:10px;min-height:26px;margin:26px 0}.beat{width:16px;height:16px;border:1px solid #a9b99e;background:#e2e8db;border-radius:50%}.beat.active{background:#6b9675;box-shadow:0 0 0 4px #a9caa75c}.beat.accent.active{background:#345d42}.metronome-controls{justify-content:center}.transport{display:flex;justify-content:center;gap:8px;margin-top:22px}.transport button{min-width:80px}.mic-controls{justify-content:center;margin-top:8px}.mic-controls input[type=number]{width:68px}.tuner-note{display:flex;flex-direction:column;align-items:center;min-height:130px;justify-content:center;gap:4px;margin:14px 0}.tuner-note strong{font:58px/1 Consolas,monospace;color:#345a40}.tuner-note span{font:11px/1.5 Consolas,monospace;color:var(--muted)}.tuning-meter{display:flex;align-items:center;gap:10px;font-size:10px;color:var(--muted);max-width:480px;margin:0 auto}.meter-track{height:28px;position:relative;flex:1;background:linear-gradient(90deg,#eed6bf,#e4e8d9 43%,#bdd3ae 50%,#e4e8d9 57%,#eed6bf);border:1px solid #c6cdbb;border-radius:3px;overflow:hidden}.tuning-center{position:absolute;left:50%;height:100%;border-left:1px solid #466542}#tuning-needle{position:absolute;left:50%;top:3px;bottom:3px;width:3px;background:#315e41;transform:translateX(-50%);opacity:0}.tuner-cents{text-align:center;font:15px/1.4 Consolas,monospace;margin:12px 0;color:var(--muted)}.tuner-cents.in-tune{color:#3a713e}#mic-level{display:block;width:180px;max-width:100%;height:9px;margin:auto;accent-color:#62845e}.scope-controls{gap:7px 10px;margin-bottom:13px}#scope{display:block;width:100%;height:250px;border:1px solid #85977e;border-radius:4px;background:#142820}.scope-readout{display:flex;justify-content:space-between;gap:8px;font:10px/1.4 Consolas,monospace;color:var(--muted);padding-top:8px}
.recording{border-top:1px solid var(--line);background:#f0f1e8;flex:none;padding:7px 10px}.record-bar{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.record-bar button{font-size:10px;min-height:27px;padding:4px 8px}#record span{color:#a34535}#record.recording{background:#f5e0d7;border-color:#c79886}#record-time{font:12px Consolas,monospace;min-width:43px;margin-left:4px}.record-label{margin-left:auto;font-size:9px;color:var(--muted)}.recorded-result{padding-top:8px}.recorded-result audio{width:100%;height:32px;margin-bottom:6px}#recording-saved{margin-left:auto;font-size:9px;color:var(--muted)}footer{display:flex;align-items:center;justify-content:space-between;gap:8px;flex:none;min-height:25px;padding:4px 10px;border-top:1px solid var(--line);font-size:10px;color:var(--muted)}footer p{margin:0;min-width:0;overflow-wrap:anywhere}footer span{white-space:nowrap}.error{color:#9b493b!important}
@media(max-width:600px){.tool-panels>section{padding:12px 10px}.keyboard-controls{gap:7px}.keyboard-controls>label{font-size:10px}.keyboard-controls select{font-size:10px}.piano{height:175px}.master-bar{gap:5px}.volume input{width:72px}.keyboard-caption{font-size:9px}.keyboard-caption>span:last-child{text-align:right}.tone-readout strong{font-size:47px}#scope{height:225px}}
@media(max-width:380px){.master-bar{flex-wrap:wrap;padding:6px 8px}.master-bar .state{display:none}.volume{font-size:9px;gap:3px}.volume input{width:65px}.volume output{width:24px}.master-bar button{padding:5px 6px;font-size:9px}.tabs{padding:4px 6px}.tabs button{font-size:10px;padding:5px 7px;flex:none}.tool-panels>section{padding:10px 8px}.keyboard-controls{gap:6px}.keyboard-controls>label{font-size:9px;gap:3px}.keyboard-controls select{padding:4px;font-size:9px}.keyboard-controls .check{margin-left:0}.piano{height:155px}.key-name{font-size:7px}.shortcut{font-size:8px}.black-key .shortcut{font-size:7px}.piano button{padding-bottom:7px}.keyboard-caption{font-size:8px;gap:7px}.slider-grid{gap:10px 13px}.tone-controls{gap:8px}.tone-controls>label,.metronome-controls>label,.scope-controls>label,.mic-controls>label{font-size:10px}.tone-controls label input{width:60px}.record-label{flex-basis:100%;margin-left:0}.recording{padding:6px 8px}.tuner-note{margin:7px 0;min-height:110px}.tuner-note strong{font-size:48px}#scope{height:190px}.mic-controls{gap:6px}.mic-controls button{font-size:10px;padding:5px 6px}.tool-note{font-size:9px}.recorded-result .file-actions{gap:5px}footer{font-size:9px}.app-header{padding:10px}h1{font-size:23px}}
.keyboard-controls{margin-bottom:9px}
.scale-controls{display:flex;align-items:center;flex-wrap:wrap;gap:7px 14px;margin-bottom:5px}
.scale-controls label{display:flex;align-items:center;gap:5px;font-size:10px}
.scale-controls select{padding:4px 6px;min-height:27px;font-size:10px}
.scale-controls>button{flex:none;min-width:76px;min-height:27px;padding:4px 7px;font-size:10px;white-space:nowrap}.scale-controls>button[aria-pressed=true]{background:#f5e0d7;border-color:#c79886;color:#8b4f3d}
.scale-choice{flex:1;min-width:0}.scale-choice select{flex:1;min-width:0;max-width:235px}
.scale-guide{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:15px;margin-bottom:9px;color:#50674b}
#scale-notes{min-width:0;overflow-wrap:anywhere;font:10px/1.5 Consolas,monospace}
.scale-legend{display:inline-flex;align-items:center;gap:5px;white-space:nowrap;font-size:9px;color:var(--muted)}
.scale-dot,.root-dot{display:inline-block;width:6px;height:6px;background:#53937b;border-radius:50%;flex:none}.root-dot{background:#ad7e2c;border-radius:1px;transform:rotate(45deg)}.scale-dot{margin-left:4px}
.piano.scale-active .white-key.in-scale:not(.active){background:linear-gradient(#fffef8,#e4eee3)}
.piano.scale-active .white-key:not(.in-scale){color:#93988b}
.piano.scale-active .in-scale::after{content:'';position:absolute;left:50%;bottom:42px;width:7px;height:7px;border-radius:50%;background:#53937b;transform:translateX(-50%);pointer-events:none}
.piano.scale-active .black-key.in-scale::after{bottom:30px;background:#92c6aa}
.piano.scale-active .in-scale.scale-root::after{background:#ad7e2c;border-radius:1px;transform:translateX(-50%) rotate(45deg)}
@media(max-width:380px){.scale-controls{gap:6px 9px}.scale-controls label,.scale-controls select{font-size:9px}.scale-controls select{padding:4px}.scale-guide{gap:6px}#scale-notes{font-size:9px}.scale-legend{font-size:8px;gap:4px}.piano.scale-active .in-scale::after{bottom:34px;width:6px;height:6px}.piano.scale-active .black-key.in-scale::after{bottom:27px}}
@media(max-width:380px){.scale-controls{display:grid;grid-template-columns:1fr auto}.scale-choice{grid-column:1/-1;grid-row:2}.scale-choice select{max-width:none}.scale-controls>button{grid-column:2;grid-row:1}}