:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:#242c2a;--muted:#6b7470;--accent:#21675a;--line:#d7dbd2;--range-fill:31%;-webkit-tap-highlight-color:transparent;background:#f7f5ef;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}[hidden]{display:none!important}body{min-width:280px;margin:0}button,input,select{font:inherit;color:inherit}button,select,input[type=range]{touch-action:manipulation}button{cursor:pointer;-webkit-user-select:none;user-select:none}button:focus-visible,input:focus-visible,select:focus-visible{outline-offset:4px;outline:3px solid #4d9786}button:disabled{cursor:default;opacity:.4}.app-shell{width:min(100% - 40px,820px);padding:max(18px, env(safe-area-inset-top)) 0 max(24px, env(safe-area-inset-bottom));margin:0 auto}.mode-tabs{border-bottom:1px solid var(--line);margin-bottom:18px;display:flex}.mode-tab{min-height:52px;color:var(--muted);background:0 0;border:0;border-bottom:3px solid #0000;flex:1;margin-bottom:-1px;font-size:19px;font-weight:600}.mode-tab.active{color:var(--accent);border-bottom-color:var(--accent)}.metronome-layout{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);align-items:center;gap:64px;display:grid}.metronome-controls{min-width:0}.pendulum{justify-content:center;align-items:center;height:204px;display:flex}.pendulum svg{width:284px;height:100%;overflow:visible}#metronome-arm{transform-origin:160px 185px;transform-box:view-box}#metronome-arm.moving{will-change:transform}.tempo-controls{grid-template-columns:64px minmax(0,1fr) 64px;align-items:center;gap:8px;display:grid}.step-stack{gap:5px;display:grid}.step-button{border:1px solid var(--line);font-variant-numeric:tabular-nums;background:0 0;border-radius:8px;min-height:44px;font-size:18px}.step-button:active,.secondary-button:active,.note-keys button:active{background:#e2e8df}.tempo-value{flex-direction:column;align-items:center;display:flex}#bpm-input{letter-spacing:-5px;text-align:center;font-variant-numeric:tabular-nums;background:0 0;border:0;border-radius:6px;width:100%;min-width:0;padding:0;font-size:82px;font-weight:500;line-height:1.1}.unit{color:var(--muted);letter-spacing:1px;padding-top:5px;font-size:13px}.tempo-name{color:var(--muted);margin-top:6px;font-size:14px;line-height:20px}.tempo-slider{color:var(--muted);font-variant-numeric:tabular-nums;align-items:center;gap:12px;margin:12px 0;font-size:12px;display:flex}input[type=range]{appearance:none;background:0 0;border:0;width:100%;height:40px;margin:0;padding:0}input[type=range]::-webkit-slider-runnable-track{background:var(--line);height:5px;box-shadow:none;border-radius:3px}input[type=range]::-moz-range-track{background:var(--line);border-radius:3px;height:5px}input[type=range]::-moz-range-progress{background:var(--accent);border-radius:3px;height:5px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;border:2px solid var(--accent);background:#f7f5ef;border-radius:50%;width:26px;height:26px;margin-top:-10.5px}input[type=range]::-moz-range-thumb{border:2px solid var(--accent);background:#f7f5ef;border-radius:50%;width:22px;height:22px}#bpm-range{height:64px}#bpm-range::-webkit-slider-thumb{box-sizing:border-box;width:44px;height:44px;box-shadow:inset 0 0 0 2px var(--accent);background-clip:padding-box;border:6px solid #0000;margin-top:-19.5px}#bpm-range::-moz-range-thumb{box-sizing:border-box;width:44px;height:44px;box-shadow:inset 0 0 0 2px var(--accent);background-clip:padding-box;border:6px solid #0000}.transport{grid-template-columns:1fr 1.5fr;gap:12px;display:grid}.primary-button,.secondary-button{border:1px solid var(--line);border-radius:10px;justify-content:center;align-items:center;gap:7px;min-height:56px;padding:12px;font-size:16px;font-weight:600;display:flex}.primary-button{color:#fff;background:var(--accent);border-color:var(--accent)}.primary-button:active{background:#174f43}.primary-button svg{fill:currentColor;flex-shrink:0;width:19px;height:19px}.secondary-button{background:0 0}.secondary-button.tapped{background:#d6e5d9}.beat-lights{justify-content:center;gap:8px;min-height:21px;margin:-3px 0 12px;display:flex}.beat-light{background:#d2d8cf;border-radius:50%;width:9px;height:9px;margin-top:6px}.beat-light.first{border:1px solid var(--accent)}.beat-light.lit{background:var(--accent)}.metronome-settings{min-width:0}.switch-row{cursor:pointer;justify-content:space-between;align-items:center;gap:14px;min-height:52px;display:flex;position:relative}.switch-row input{opacity:0;cursor:pointer;width:50px;height:44px;margin:0;position:absolute;right:0}.switch-track{pointer-events:none;background:#c6cdc3;border-radius:16px;flex-shrink:0;width:46px;height:27px}.switch-track:after{content:"";background:#fff;border-radius:50%;width:21px;height:21px;margin:3px;transition:transform .15s;display:block}.switch-row input:checked+.switch-track{background:var(--accent)}.switch-row input:checked+.switch-track:after{transform:translate(19px)}.switch-row input:focus-visible+.switch-track{outline-offset:4px;outline:3px solid #4d9786}.rhythm-settings,.tone-settings{grid-template-columns:1fr 1.2fr;gap:16px;margin-top:12px;display:grid}.field{flex-direction:column;gap:7px;min-width:0;display:flex}.field>label,.volume-label{color:var(--muted);font-size:14px}select{border:1px solid var(--line);background:0 0;border-radius:8px;width:100%;min-height:46px;padding:8px 10px;font-size:16px}.audio-settings{gap:22px;margin-top:23px;display:grid}.volume-label{justify-content:space-between;align-items:center;display:flex}.volume-label output{font-variant-numeric:tabular-nums}.tuner-modes{gap:8px;max-width:400px;margin:0 auto;padding-top:5px;display:flex}.tuner-mode{min-height:46px;color:var(--muted);background:0 0;border:0;border-radius:8px;flex:1;font-size:16px}.tuner-mode.active{color:var(--accent);background:#e2e9df;font-weight:600}#listen-panel,#tone-panel{max-width:460px;margin:0 auto}.pitch-gauge{width:min(100%,360px);margin:26px auto -19px}.pitch-gauge svg{width:100%;overflow:visible}.gauge-arc{fill:none;stroke:var(--line);stroke-width:1px}.in-tune-arc{fill:none;stroke:#7eb6a5;stroke-width:6px}#gauge-ticks{stroke:#b5c0b5;stroke-width:1px}#gauge-ticks .major-tick{stroke:#7f9387;stroke-width:1.5px}.pitch-gauge text{fill:var(--muted);text-anchor:middle;font-size:13px}#tuner-needle{fill:#9ba59b;transform-origin:200px 146px;transform-box:view-box;transition:transform 80ms linear}#tuner-needle.active{fill:#525f56}#tuner-needle.in-tune{fill:var(--accent)}.note-display,.tone-note{text-align:center;letter-spacing:-3px;font-variant-numeric:tabular-nums;min-height:102px;font-size:88px;font-weight:500;line-height:1.15}#note-accidental{vertical-align:top;letter-spacing:0;font-size:43px;line-height:1.6}#note-octave{vertical-align:baseline;letter-spacing:0;margin-left:5px;font-size:30px}.pitch-readings{text-align:center;color:var(--muted);font-variant-numeric:tabular-nums;margin:8px 0 26px}#pitch-status{min-height:24px;font-size:18px}#pitch-status.in-tune{color:var(--accent)}#pitch-frequency{min-height:24px;padding-top:6px;font-size:13px}.tuner-transport{width:100%}.tone-note{margin-top:33px}.tone-frequency{text-align:center;color:var(--muted);font-variant-numeric:tabular-nums;margin:5px 0 25px}.note-keys{grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;display:grid}.note-keys button{border:1px solid var(--line);background:0 0;border-radius:8px;min-height:50px;font-size:18px}.note-keys button[aria-pressed=true]{color:#fff;border-color:var(--accent);background:var(--accent)}.tone-settings{grid-template-columns:85px 1fr;gap:24px;margin:25px 0}.reference-control{max-width:460px;color:var(--muted);flex-wrap:wrap;justify-content:center;align-items:center;gap:8px 18px;margin:28px auto 0;font-size:14px;display:flex}.reference-stepper{align-items:center;display:flex}.reference-stepper button{background:0 0;border:0;border-radius:6px;min-width:44px;min-height:44px;font-size:22px}.reference-stepper>div{align-items:center;display:flex}#reference-input{border:0;border-bottom:1px solid var(--line);text-align:center;-moz-appearance:textfield;background:0 0;width:58px;min-height:44px;padding:0 3px;font-size:17px}#reference-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}#reference-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.text-button{min-height:44px;color:var(--accent);background:0 0;border:0;padding:0 8px;font-size:13px}.notice{color:#76512d;border-left:3px solid #9d5f32;align-items:center;gap:8px;margin:12px 0;padding:8px 0 8px 12px;font-size:14px;line-height:1.5;display:flex}.notice>span{flex:1}.notice button{background:0 0;border:0;min-width:44px;min-height:44px;font-size:24px}.update-banner{justify-content:center;align-items:center;gap:16px;margin-top:24px;font-size:14px;display:flex}.update-banner button{border:1px solid var(--accent);min-height:44px;color:var(--accent);background:0 0;border-radius:8px;padding:8px 16px}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width<=680px){.app-shell{width:min(100% - 32px,440px)}.metronome-layout{display:block}.pendulum{height:180px}.pendulum svg{width:251px}.metronome-settings{margin-top:18px}.audio-settings{grid-template-columns:1fr 1.2fr;align-items:end;gap:18px;margin-top:18px}.audio-settings .volume-field{padding-bottom:3px}.primary-button{font-size:15px}.reference-control{column-gap:10px}}@media (width<=350px){.app-shell{width:calc(100% - 24px)}.tempo-controls{grid-template-columns:54px minmax(0,1fr) 54px;gap:5px}#bpm-input{letter-spacing:-4px;font-size:73px}.transport{grid-template-columns:1fr 1.5fr;gap:8px}.primary-button,.secondary-button{padding:10px 6px;font-size:14px}.note-keys{gap:5px}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important}}@media (hover:hover){.step-button:hover,.secondary-button:hover,.text-button:hover,.reference-stepper button:hover{background:#e4e9df}}