:root{--keybird-primary: #303030;--keybird-muted: #CBC9BD;--keybird-surface: #FAF5EF;--keybird-bg: #D9D7CB;--bg: var(--keybird-bg);--surface: var(--keybird-surface);--border: var(--keybird-muted);--text: var(--keybird-primary);--text-muted: rgba(48, 48, 48, .62);--flat: #303030;--sharp: #303030;--in-tune: #303030;--font-heading: "Inter Tight", "Helvetica", Arial, sans-serif;--font-body: "Inter", "Helvetica", Arial, sans-serif}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:var(--font-body);font-weight:400;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}#root{min-height:100vh}.app{max-width:520px;min-height:100vh;margin:0 auto;padding:.95rem 1rem 2rem;background:var(--bg)}.top-row{display:grid;grid-template-columns:120px minmax(0,1fr);gap:1rem;align-items:center;margin-bottom:1rem}.logo-wrap{display:flex;align-items:center;justify-content:center;min-height:106px}.brand-logo{display:block;width:104px;height:auto}.model-panel{background:var(--bg);border:0;padding:0;margin:0}.model-panel label,.label,.meter-head>label{display:block;font-family:var(--font-body);font-size:.72rem;font-weight:500;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);margin-bottom:.45rem}select{width:100%;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-color:var(--surface);border:1px solid var(--text);border-radius:0;color:var(--text);font-family:var(--font-body);font-size:1rem;font-weight:400;padding:.82rem 2.25rem .82rem .85rem;background-image:linear-gradient(45deg,transparent 50%,#303030 50%),linear-gradient(135deg,#303030 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 12px) 50%;background-size:6px 6px,6px 6px;background-repeat:no-repeat}select:focus{outline:2px solid var(--text);outline-offset:2px}.reference-label{margin-top:.65rem;text-align:right;font-family:var(--font-body);font-size:clamp(.78rem,2.4vw,.95rem);font-weight:400;letter-spacing:.12em;color:var(--text-muted)}.tuner-shell{position:relative;width:100%;aspect-ratio:1 / 1.28;margin-bottom:1rem}.tuner-shape{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block;pointer-events:none;-webkit-user-select:none;user-select:none}.tuner-content{position:absolute;top:0;right:0;bottom:0;left:0;padding:17% 9% 8%;display:flex;flex-direction:column;justify-content:flex-start}.note-section{text-align:center;padding:0 0 1.1rem;border-bottom:1px solid rgba(203,201,189,.7)}.note-display{font-family:var(--font-heading);font-size:clamp(5.1rem,21vw,7rem);font-weight:400;line-height:.92;letter-spacing:-.075em;color:var(--text)}.note-display.dim{color:#30303038}.meter-head{display:block}.meter-logo-inline,.meter-note-inline{display:none}.meter-wrap{margin-top:1.05rem}.meter{position:relative;height:86px;background:#faf5ef9e;border:1px solid rgba(48,48,48,.18);border-radius:8px;overflow:hidden}.meter-scale{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;justify-content:space-between;align-items:flex-end;padding:0 7%;pointer-events:none}.tick{width:1px;height:18px;background:#30303040}.tick.center{height:32px;background:#30303080}.meter-center-line{position:absolute;left:50%;top:10px;bottom:10px;width:12px;margin-left:-6px;background:#95a86f8c;border-left:1px solid rgba(48,48,48,.22);border-right:1px solid rgba(48,48,48,.22);z-index:2}.meter-needle{position:absolute;top:14px;bottom:14px;width:4px;margin-left:-2px;left:50%;background:var(--text);box-shadow:0 0 0 2px var(--surface),0 0 0 3px #3030301f;will-change:left;z-index:3}.meter-labels{display:grid;grid-template-columns:1fr 1fr 1fr;margin-top:.3rem;color:var(--text-muted);font-family:var(--font-body);font-size:.72rem;font-weight:500;text-transform:uppercase;letter-spacing:.08em}.meter-labels span:nth-child(1){text-align:left}.meter-labels span:nth-child(2){text-align:center;color:var(--text)}.meter-labels span:nth-child(3){text-align:right}.tuning-status{text-align:center;margin-top:.95rem;font-family:var(--font-heading);font-size:clamp(1.35rem,6.3vw,1.8rem);font-weight:400;letter-spacing:-.04em;color:var(--text)}.tuning-status.sharp,.tuning-status.flat,.tuning-status.intune{color:var(--text)}.tuning-status.muted{color:var(--text-muted)}.error{margin-top:.75rem;padding:.75rem .85rem;background:var(--surface);border:1px solid var(--text);font-size:.88rem;color:var(--text)}@media(max-width:420px){.app{padding:.75rem .85rem 1.8rem}.top-row{grid-template-columns:96px minmax(0,1fr);gap:.75rem}.logo-wrap{min-height:96px}.brand-logo{width:84px}.tuner-content{padding:18% 8.5% 8%}.meter{height:80px}.note-display{font-size:clamp(4.4rem,20vw,6.4rem)}.install-card{left:7%;bottom:5.9%;width:min(230px,64%);padding:.7rem .78rem}.install-title{font-size:.9rem}.install-subtitle{font-size:.72rem}}.install-card{position:absolute;left:7%;bottom:6.2%;z-index:4;display:flex;align-items:center;gap:.8rem;width:min(250px,61%);padding:.78rem .9rem;border:1px solid rgba(48,48,48,.18);border-radius:10px;background:#faf5efe0;color:var(--text);box-shadow:0 7px 18px #3030301f;font-family:var(--font-body);text-align:left;cursor:pointer;-webkit-tap-highlight-color:transparent}.install-card:focus-visible{outline:2px solid var(--text);outline-offset:3px}.install-icon{flex:0 0 auto;width:31px;height:31px;color:var(--text)}.install-icon svg{width:100%;height:100%;display:block;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}.install-copy{display:grid;gap:.18rem;min-width:0}.install-title{font-size:.94rem;font-weight:600;line-height:1.12}.install-subtitle{font-size:.75rem;font-style:italic;line-height:1.2;color:var(--text-muted)}@media(hover:hover)and (pointer:fine){.install-card{display:none}}.tuning-controls{margin:0 0 1rem;padding:.85rem;background:#faf5ef6b;border:1px solid rgba(48,48,48,.18);border-radius:10px}.tuning-controls-head{display:flex;justify-content:space-between;align-items:center;gap:.75rem;margin-bottom:.65rem;font-family:var(--font-body);font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted)}.tuning-controls-head button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid rgba(48,48,48,.32);background:var(--surface);color:var(--text);font-family:var(--font-body);font-size:.72rem;padding:.35rem .55rem;border-radius:999px}.control-row{display:grid;grid-template-columns:150px minmax(0,1fr);align-items:center;gap:.7rem;margin-top:.55rem;color:var(--text);font-family:var(--font-body);font-size:.82rem}.control-row input[type=range]{width:100%}@media(max-width:420px){.control-row{grid-template-columns:1fr;gap:.3rem}}@media(orientation:landscape)and (max-height:560px)and (max-width:980px){.tuning-controls{display:none}}@media(orientation:landscape)and (max-height:560px)and (max-width:980px){html,body,#root{width:100%;height:100%;min-height:100%;overflow:hidden}body{background:var(--bg)}.app{width:100vw;height:100dvh;height:100svh;max-width:none;min-height:100dvh;min-height:100svh;margin:0;padding:0;overflow:hidden;display:flex;align-items:center;justify-content:center}.top-row,.tuner-shape,.note-section,.tuning-controls,.install-card,.error{display:none}.tuner-shell{width:100vw;height:100dvh;height:100svh;aspect-ratio:auto;margin:0;display:flex;align-items:center;justify-content:center}.tuner-content{position:static;width:100vw;height:100%;padding:max(26px,8svh,env(safe-area-inset-top)) 4vw max(26px,8svh,env(safe-area-inset-bottom));display:flex;align-items:center;justify-content:center}.meter-wrap{width:min(92vw,900px);margin:0 auto;transform:translateY(5svh)}.meter-head{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:1rem;width:100%;margin-bottom:.28rem}.meter-head>label{display:block;text-align:left;margin:0;font-size:clamp(.62rem,2.4vh,.8rem)}.meter-logo-inline{display:block;justify-self:center;width:clamp(84px,12vw,104px);height:auto;opacity:1;pointer-events:none;-webkit-user-select:none;user-select:none}.meter-note-inline{display:block;justify-self:end;font-family:var(--font-heading);font-size:clamp(.95rem,5vh,1.55rem);font-weight:400;letter-spacing:-.055em;line-height:1;color:var(--text);opacity:.72}.meter-note-inline.dim{opacity:.22}.meter{width:100%;height:clamp(62px,25svh,132px);border-radius:10px;border:2px solid rgba(48,48,48,.28);background:var(--surface);box-shadow:inset 0 0 0 1px #ffffff73,0 5px 14px #3030301a}.meter-scale{padding:0 4vw}.tick{height:28%;background:#30303047}.tick.center{height:48%;background:#3030309e}.meter-center-line{top:9%;bottom:9%;width:12px;margin-left:-6px}.meter-needle{top:12%;bottom:12%;width:clamp(4px,.65vw,8px);margin-left:clamp(-4px,-.325vw,-2px)}.meter-labels{display:grid;margin-top:.24rem;font-size:clamp(.58rem,2.1svh,.76rem)}.tuning-status{display:block;margin-top:.28rem;font-size:clamp(.95rem,4.6svh,1.35rem)}}.help-button{position:absolute;top:7.6%;right:7.4%;z-index:6;width:34px;height:34px;border:1px solid rgba(250,245,239,.88);border-radius:999px;background:#2f80ed;color:#fff;box-shadow:0 6px 16px #3030302e;font-family:var(--font-body);font-size:1.05rem;font-weight:700;line-height:1;cursor:pointer;-webkit-tap-highlight-color:transparent}.help-button:focus-visible,.help-close:focus-visible{outline:2px solid var(--text);outline-offset:3px}.help-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:max(1rem,env(safe-area-inset-top)) 1rem max(1rem,env(safe-area-inset-bottom));background:#3030306b}.help-dialog{width:min(560px,100%);max-height:min(760px,88dvh);background:var(--surface);color:var(--text);border:1px solid rgba(48,48,48,.28);border-radius:16px;box-shadow:0 22px 60px #30303047;overflow:hidden;display:flex;flex-direction:column}.help-dialog-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 1rem .82rem;border-bottom:1px solid rgba(48,48,48,.12)}.help-dialog-head h2{margin:0;font-family:var(--font-heading);font-size:1.35rem;font-weight:500;letter-spacing:-.02em}.help-close{-webkit-appearance:none;-moz-appearance:none;appearance:none;flex:0 0 auto;width:34px;height:34px;border:1px solid rgba(48,48,48,.18);border-radius:999px;background:#d9d7cb8c;color:var(--text);font-family:var(--font-body);font-size:1.35rem;line-height:1;cursor:pointer;-webkit-tap-highlight-color:transparent}.help-body{padding:.95rem 1rem 1.15rem;overflow-y:auto;-webkit-overflow-scrolling:touch}.help-body h2{margin:0 0 .75rem;font-family:var(--font-heading);font-size:1.08rem;font-weight:600;letter-spacing:-.01em}.help-body h3{margin:1.05rem 0 .28rem;font-family:var(--font-heading);font-size:.98rem;font-weight:600;letter-spacing:-.01em}.help-body p{margin:0;color:#303030c7;font-size:.92rem;line-height:1.48}.help-body strong{color:var(--text);font-weight:650}@media(max-width:420px){.help-button{top:7.2%;right:6.8%;width:32px;height:32px;font-size:1rem}.help-overlay{align-items:flex-end;padding:.7rem}.help-dialog{max-height:88dvh;border-radius:14px}.help-dialog-head{padding:.9rem .9rem .72rem}.help-body{padding:.85rem .9rem 1rem}.help-body p{font-size:.9rem;line-height:1.45}}@media(orientation:landscape)and (max-height:560px)and (max-width:980px){.help-button{display:none}.help-dialog{max-height:92dvh}}.awake-video{position:fixed;left:0;bottom:0;width:1px;height:1px;opacity:.01;pointer-events:none;z-index:0}.dev-tuning-panel{margin-top:1rem}.dev-preset-buttons{display:flex;flex-wrap:wrap;gap:.35rem;justify-content:flex-end}.dev-slider-wrap{display:grid;grid-template-columns:minmax(0,1fr) 74px;align-items:center;gap:.65rem}.dev-slider-wrap output{font-variant-numeric:tabular-nums;text-align:right;color:var(--text-muted);font-size:.78rem}.dev-tuning-note{margin:.75rem 0 0;color:var(--text-muted);font-size:.76rem;line-height:1.35}@media(max-width:420px){.dev-slider-wrap{grid-template-columns:minmax(0,1fr) 64px}.dev-preset-buttons{justify-content:flex-start}}.install-card{display:none!important}