:root{font-family:Inter,'Helvetica Neue',Arial,'Hiragino Kaku Gothic ProN',sans-serif;color:#213a33;background:#f6f5ef;font-synthesis:none;-webkit-text-size-adjust:100%}*{box-sizing:border-box}body{margin:0;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer;touch-action:manipulation}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid #c2894d;outline-offset:3px}header{max-width:720px;margin:auto;min-height:48px;display:flex;align-items:center;justify-content:space-between;padding:4px 14px;border-bottom:1px solid #dddfd5}.brand{display:flex;align-items:center;gap:8px;color:inherit;text-decoration:none;font-weight:700;font-size:19px;min-height:40px}.brand-icon{background:#243c32;color:#f6f5ef;width:28px;height:28px;display:grid;place-items:center;font-family:Georgia,serif;font-weight:400}.brand-sub{display:none}.tag{font-size:10px;letter-spacing:1.5px;color:#697363}main{max-width:640px;margin:auto;padding:10px 12px 12px}.intro{margin:0 0 10px;display:flex;align-items:center;justify-content:space-between;gap:8px}h1{font-size:14px;font-weight:500;margin:0}.intro p{font-size:11px;color:#697363;margin:0}.tuner{background:#172b27;color:#f4f4dc;padding:14px 16px 12px;border-radius:12px;box-shadow:0 8px 20px #18332a0c}.panel-top{display:flex;justify-content:space-between;gap:8px;font-size:10px;color:#a5b5a7;line-height:1.5}.panel-top>span:first-child{display:flex;align-items:center;gap:6px;white-space:nowrap}.panel-top>span:last-child{text-align:right}i{width:6px;height:6px;border-radius:50%;background:#7a877b;display:inline-block;flex-shrink:0}i.on{background:#c9e89b;box-shadow:0 0 8px #c9e89b88}.readout{text-align:center;margin-top:8px}.note{font-size:80px;font-weight:300;line-height:1;letter-spacing:-4px;font-family:'Helvetica Neue',sans-serif}.note sub{font-size:21px;letter-spacing:0;vertical-align:baseline;margin-left:6px;color:#9caf9d}#frequency{font-size:12px;letter-spacing:.5px;color:#a5b5a7;min-height:18px;margin-top:4px}#guidance{font-size:12px;line-height:1.5;color:#d1dfbd;margin-top:4px;min-height:36px;display:flex;align-items:center;justify-content:center}.meter{position:relative;height:54px;margin:14px 0 0}.ticks{display:flex;justify-content:space-between;align-items:center;height:28px;position:relative}.ticks b{width:1px;height:10px;background:#728579}.ticks b:nth-child(5n+1){height:20px;background:#b1bca5}.sweet{position:absolute;background:#c5e69722;left:45%;width:10%;height:33px;top:-2px;border-left:1px solid #c5e69755;border-right:1px solid #c5e69755}.needle{position:absolute;left:50%;top:-7px;width:2px;height:37px;background:#d4ecad;transition:left .12s ease;opacity:.3}.needle:before{content:'';position:absolute;left:-4px;top:-4px;border-left:5px solid transparent;border-right:5px solid transparent;border-top:7px solid #d4ecad}.meter-labels{display:flex;justify-content:space-between;font-size:10px;color:#a5b5a7;margin-top:4px}.meter-footer{display:flex;justify-content:space-between;font-size:11px;color:#a6b89f;margin:0 0 12px}#cents{letter-spacing:.5px;color:#d1dfbd}.input-level{display:grid;grid-template-columns:auto minmax(28px,1fr) auto;align-items:center;gap:8px;margin:0 0 3px;font-size:10px;line-height:1.6;color:#b3c0b3}.input-level meter{width:100%;height:10px;accent-color:#d1e4ac}.input-level span:last-child{text-align:right}.sensitivity-row{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:44px;margin:0 0 6px;font-size:10px;color:#b3c0b3;line-height:1.6}.sensitivity-row>span{min-width:0}.sensitivity-row button{flex-shrink:0;min-width:58px;min-height:44px;border:1px solid #738575;background:transparent;color:#d1dfbd;border-radius:6px;padding:6px 10px;font-size:12px}.sensitivity-row button:disabled{opacity:.45;cursor:default}.primary{width:100%;min-height:46px;border:0;border-radius:7px;background:#d1e4ac;color:#21362a;padding:12px 14px;text-align:center;font-size:14px;font-weight:600}.primary span{float:right}.primary:disabled{opacity:.6}.primary:hover{background:#e2edc8}.privacy{text-align:center;color:#a5b5a7;font-size:10px;line-height:1.6;margin:8px 0 0}.strings-section{margin-top:10px}.section-title{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:44px;margin-bottom:4px}h2{font-size:13px;font-weight:500;margin:0}.auto{min-height:44px;border:1px solid #ccd2c2;border-radius:22px;padding:6px 14px;font-size:12px;background:transparent;color:#4b6048}.auto.selected{background:#e8eddd;border-color:#9aa98a}.strings{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:4px}.string{min-width:0;min-height:58px;padding:6px 0;border:1px solid #d9ddcf;border-radius:7px;background:#f9f9f3;color:#435746;position:relative}.string .num{font-size:10px;color:#6b765f;display:block;margin-bottom:2px}.string strong{font-size:24px;font-weight:400}.string small{font-size:10px;margin-left:1px}.string.active{border-color:#6c8456;background:#e9eedf;box-shadow:inset 0 -3px #768a5e}.hint{font-size:11px;color:#68735e;line-height:1.6;margin:7px 0 10px}.settings{display:flex;align-items:center;justify-content:space-between;gap:8px;border-top:1px solid #dce0d3;border-bottom:1px solid #dce0d3;padding:6px 0;font-size:12px}.settings label span{color:#68735e;font-size:11px;margin-left:5px}.settings>div{display:flex;align-items:center;gap:4px;color:#68735e;font-size:11px}.settings button{background:transparent;border:1px solid #d6dccd;border-radius:6px;width:44px;height:44px;color:#526448}.settings input{width:44px;min-height:44px;border:0;background:transparent;color:#2d4435;text-align:center;appearance:textfield;font-size:16px}.settings input::-webkit-inner-spin-button{appearance:none}details{font-size:12px;color:#65715d;line-height:1.8}summary{cursor:pointer;list-style:none;color:#52634b;min-height:44px;display:flex;align-items:center;justify-content:space-between}details p{margin:4px 0 12px}footer{display:flex;justify-content:space-between;gap:8px;font-size:9px;color:#727d66;padding:8px 0 0;border-top:1px solid #dce0d3}.tuned #guidance,.tuned #cents{color:#d7f3a5}
@media(min-width:600px){header{min-height:60px;padding:6px 24px}.brand-sub{display:inline;font-size:10px;letter-spacing:2px;font-weight:500;color:#697363;margin-left:4px}main{padding:16px 24px}.intro{margin-bottom:12px}h1{font-size:16px}.tuner{padding:18px 24px 14px}.note{font-size:92px}.strings{gap:8px}.string{min-height:66px}.strings-section{margin-top:12px}.hint{margin-bottom:12px}}
@media(max-width:359px){.strings{gap:3px}.intro p{display:none}.tuner{padding-right:12px;padding-left:12px}.panel-top{font-size:9px}.settings label span{display:none}.privacy{font-size:9px}footer>span:first-child{font-size:8px}}
@media(max-height:500px) and (min-width:600px){main{max-width:960px;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);column-gap:18px}.intro{grid-column:1/-1}.tuner{grid-row:2/6}.strings-section{margin-top:0}.note{font-size:66px}.readout{margin-top:4px}#guidance{min-height:18px}.meter{margin-top:10px}.privacy{margin-top:5px}footer{grid-column:1/-1;margin-top:8px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* App shell: settings live in a modal, leaving the tuner on the main screen. */
.header-actions{display:flex;align-items:center;gap:10px}.menu-button{width:44px;height:44px;border:0;border-radius:7px;background:transparent;color:#213a33;font-size:25px;line-height:1;display:grid;place-items:center}.menu-button:hover{background:#e8eddd}header{min-height:48px;padding-top:0;padding-bottom:0}main{padding-top:8px;padding-bottom:8px}.strings-section{margin-top:6px}.hint{margin-bottom:0}dialog{width:min(440px,calc(100% - 24px));max-height:calc(100dvh - 32px);padding:16px 20px;border:1px solid #dce0d3;border-radius:16px;background:#f6f5ef;color:#213a33;overflow-y:auto;overscroll-behavior:contain;box-shadow:0 20px 70px #172b2744}dialog::backdrop{background:#172b2780}.menu-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.menu-heading h2{font-size:17px}.menu-version{font-size:11px;color:#727d66;margin:10px 0 0}body:has(dialog[open]){overflow:hidden}dialog .settings label span{display:inline}dialog summary{min-height:48px}dialog .settings{flex-wrap:wrap}dialog .settings>div{margin-left:auto}
@media(max-height:700px) and (max-width:599px){.tuner{padding-top:10px;padding-bottom:10px}.readout{margin-top:4px}.note{font-size:68px}#frequency{margin-top:2px}#guidance{font-size:11px;min-height:33px;margin-top:2px}.meter{margin-top:10px;height:50px}.meter-footer{margin-bottom:8px}.privacy{margin-top:5px}.sensitivity-row{margin-bottom:4px}.section-title{margin-bottom:2px}.hint{font-size:10px;line-height:1.4}.string{min-height:54px;padding-top:4px;padding-bottom:4px}.string strong{font-size:22px}}
@media(max-height:500px) and (min-width:600px){main{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);padding-top:8px}.tuner{grid-row:auto}.strings-section{align-self:start;margin-top:0}}

dialog .privacy{color:#65715d;text-align:left;margin-top:12px;font-size:11px}

header{padding-right:4px}.header-actions{gap:6px}#open-menu{padding:10px}#open-menu svg{display:block;flex-shrink:0}

.tuning-setting select{max-width:64%;min-height:44px;font:inherit;font-size:16px;border:1px solid #d6dccd;border-radius:6px;padding:6px;background:#f9f9f3;color:#213a33}.tuning-help{font-size:11px;line-height:1.7;color:#65715d;margin:10px 0}.tuning-setting+.tuning-setting{border-top:0}#tuning-summary{max-width:70%;overflow-wrap:anywhere}.panel-top{align-items:flex-start}

.input-level meter{appearance:none;-webkit-appearance:none;border:0;border-radius:5px;background:#354c43;overflow:hidden}.input-level meter::-webkit-meter-bar{background:#354c43;border:0;border-radius:5px;box-shadow:none}.input-level meter::-webkit-meter-optimum-value,.input-level meter::-webkit-meter-suboptimum-value,.input-level meter::-webkit-meter-even-less-good-value{background:#b8cf91;border-radius:5px}.input-level meter::-moz-meter-bar{background:#b8cf91;border-radius:5px}

#frequency:empty{visibility:hidden}#guidance:empty{visibility:hidden}.sensitivity-row:has(#sensitivity:empty){justify-content:flex-end}

#guidance:empty{display:none}#guidance:not(:empty){color:#efcfaf;margin-top:8px}

:root{--page:#f4f3ed;--ink:#203b2b;--muted:#435b49;--panel:#e0e8d8;--border:#cbd3c5;--control:#eeefe7;--selected:#dae5cb;--accent:#496c3d;--tick:#7c927c;--track:#c4d0bd;--fill:#698852;--primary:#cedeb3;--error:#8c4030;--zone:#67894a20;--hover:#e1e7d7}
:root[data-theme=dark]{--page:#1e2b26;--ink:#e0e7da;--muted:#b2c0ac;--panel:#293c33;--border:#4b6050;--control:#2b3b31;--selected:#3f5439;--accent:#bfd99c;--tick:#8d9f85;--track:#425848;--fill:#b2cb8d;--primary:#bdd39c;--error:#efbba5;--zone:#bed58e20;--hover:#394d3d}
:root{background:var(--page);color:var(--ink)}header,footer,.settings{border-color:var(--border)}.tag,.brand-sub,.string .num,.settings label span,.settings>div,details,.tuning-help,.menu-version,dialog .privacy{color:var(--muted)}.brand-icon{background:var(--ink);color:var(--page)}.tuner{background:var(--panel);color:var(--ink);box-shadow:none}.panel-top,.note sub,#frequency,.meter-labels,.meter-footer,.input-level,.sensitivity-row{color:var(--muted)}#cents,#guidance,.tuned #guidance,.tuned #cents{color:var(--accent)}.ticks b,.ticks b:nth-child(5n+1){background:var(--tick)}.sweet{background:var(--zone);border-color:var(--tick)}.needle{background:var(--accent)}.needle:before{border-top-color:var(--accent)}.primary{background:var(--primary);color:#273b2e}.primary:hover{background:var(--primary);filter:brightness(1.04)}.sensitivity-row button{border-color:var(--border);color:var(--ink)}.auto,.string,.settings button,.settings input,.menu-button,summary{color:var(--ink)}.auto,.string,.settings button{border-color:var(--border)}.string{background:var(--control)}.auto.selected,.string.active{background:var(--selected);border-color:var(--accent)}.string.active{box-shadow:inset 0 -3px var(--accent)}.menu-button:hover{background:var(--hover)}dialog{background:var(--page);color:var(--ink);border-color:var(--border)}.tuning-setting select{background:var(--control);color:var(--ink);border-color:var(--border)}#guidance:not(:empty){color:var(--error)}.input-level meter{background:var(--track)}.input-level meter::-webkit-meter-bar{background:var(--track)}.input-level meter::-webkit-meter-optimum-value,.input-level meter::-webkit-meter-suboptimum-value,.input-level meter::-webkit-meter-even-less-good-value{background:var(--fill)}.input-level meter::-moz-meter-bar{background:var(--fill)}i{background:var(--tick)}i.on{background:var(--accent);box-shadow:0 0 6px var(--zone)}

.auto{border-radius:7px}.auto.selected{border-color:var(--border)}.section-title{margin-bottom:10px}

.needle{opacity:0}

.tuner.holding .readout,.tuner.holding #cents{opacity:.55}

.panel-top{font-size:12px;line-height:1.5}.note sub{font-size:24px}#frequency{font-size:14px;min-height:21px}.meter-labels{font-size:12px}.meter-footer{font-size:13px}#guidance{font-size:13px}.input-level{display:block;margin:2px 0 0}.input-level meter{display:block;width:100%;height:12px}.sensitivity-row{display:flex;justify-content:space-between;gap:8px;font-size:12px;margin:3px 0 7px}.sensitivity-row:has(#sensitivity:empty){justify-content:space-between}#sensitivity:empty{display:none}.sensitivity-row #inputstatus{margin-left:auto;text-align:right}.sensitivity-row button{font-size:13px;min-width:64px}.primary{font-size:16px}h2{font-size:14px}.auto{font-size:14px}.string .num{font-size:12px}.string strong{font-size:26px}.string small{font-size:11px}.settings{font-size:14px}.settings label span,.settings>div{font-size:13px}details{font-size:14px}.tuning-help,dialog .privacy,.menu-version{font-size:13px}.string{min-height:62px}

.sensitivity-row #inputstatus{margin-left:0;text-align:left}.sensitivity-row .level-label{margin-right:2px}.sensitivity-row #recalibrate{margin-left:auto}.sensitivity-row:has(#sensitivity:empty){justify-content:flex-start}

.tuner{background:transparent;border-radius:0;padding:6px 0 0;box-shadow:none}.panel-top{gap:10px}.strings-section{margin-top:14px}

.meter{height:76px;margin-top:18px}.ticks{height:46px}.ticks b{height:20px}.ticks b:nth-child(5n+1){height:36px}.sweet{height:50px}.needle{top:-7px;height:56px}.meter-labels{margin-top:6px}.input-level meter{height:16px}

:root{--control-gap:10px}.meter-footer{margin-bottom:var(--control-gap)}.input-level{margin:0}.sensitivity-row{margin:var(--control-gap) 0}.strings-section{margin-top:var(--control-gap)}.section-title{margin:0 0 var(--control-gap)}

html[lang="en-US"] .sensitivity-row{font-size:12px}html[lang="en-US"] .sensitivity-row button{font-size:12px;padding:6px 8px}html[lang="en-US"] .panel-top{font-size:11px}html[lang="en-US"] .settings{gap:6px}html[lang="en-US"] .settings label{flex-shrink:0}html[lang="en-US"] .tuning-setting select{max-width:62%;font-size:14px}

.feedback-link{display:flex;align-items:center;min-height:44px;margin-top:12px;color:var(--ink);font-size:14px;text-underline-offset:4px}