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button{min-width:0;min-height:var(--guide-note-button-height);color:#bfcbce;cursor:pointer;background:#10191c;border:1px solid #2d3a3f;border-radius:10px;padding:0 2px;font-size:13px}.note-grid button.selected{color:#16100a;background:var(--orange);border-color:var(--orange);font-weight:800;box-shadow:0 5px 14px #ff870733}.tone-options{flex:none;grid-template-columns:1.1fr 1fr 1fr;align-items:end;gap:8px;min-width:0;display:grid}.tone-options label,.octave-control{gap:5px;min-width:0;display:grid}.tone-options select{width:100%;min-width:0;height:var(--guide-option-height);color:#d9e2e4;background:#10191c;border:1px solid #344249;border-radius:11px;padding:0 28px 0 9px;font-size:11px}.octave-control>div{height:var(--guide-option-height);background:#10191c;border:1px solid #344249;border-radius:11px;grid-template-columns:38px minmax(25px,1fr) 38px;align-items:center;display:grid}.octave-control button{width:38px;height:calc(var(--guide-option-height) - 2px);color:#c8d2d5;cursor:pointer;background:0 0;border:0;place-items:center;padding:0;display:grid}.octave-control button:disabled{opacity:.3}.octave-control strong{text-align:center}.tone-volume{color:#bdc9cc;flex:none;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:12px;min-width:0;font-size:11px;display:grid}.tone-volume>span{align-items:center;gap:6px;display:flex}.tone-volume output{color:var(--muted)}.tone-volume input{width:100%;height:5px;accent-color:var(--orange)}.tone-message{color:var(--yellow);text-align:center;margin:0;font-size:10px}.tone-play{width:100%;min-height:var(--guide-play-height);color:#17110b;background:var(--orange);cursor:pointer;border:0;border-radius:15px;flex:none;justify-content:center;align-items:center;gap:9px;font-size:14px;font-weight:800;display:flex;box-shadow:0 12px 28px #ff87072e}.tone-play.playing{color:#eef5f6;box-shadow:none;background:#253237}@keyframes 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1fr;align-items:center;gap:14px;font-size:12px;display:grid}.volume-control span{align-items:center;gap:7px;display:flex}.volume-control input{margin:0}.switch-list{gap:7px;display:grid}.switch-list>button{border:1px solid var(--line);cursor:pointer;background:#0b1215;border-radius:13px;justify-content:space-between;align-items:center;min-height:58px;padding:8px 10px;display:flex}.switch-list>button:disabled{cursor:not-allowed}.switch-list>button.unsupported-control{opacity:.78;border-color:#344247}.switch-list button>span{align-items:center;gap:10px;display:flex}.switch-list i{text-align:left;flex-direction:column;gap:3px;font-style:normal;display:flex}.switch-list strong{font-size:12px}.switch-list small{color:var(--muted);font-size:10px}.unsupported-badge{color:#aebcc1;letter-spacing:.02em;background:#263237;border-radius:999px;flex:none;padding:5px 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(width>=760px){.metronome-screen{--metro-orbit-size:min(33vw,310px)}.metronome-pages{will-change:auto;grid-template-columns:minmax(0,1.7fr) minmax(330px,.85fr);display:grid;transform:none!important}.metronome-page{flex:initial;width:auto}.metronome-stage{border-right:1px solid var(--line);min-height:calc(100dvh - 70px)}.metronome-controls{border-top:0;align-self:start;max-height:calc(100dvh - 70px);padding:18px;position:sticky;top:70px;overflow-y:auto}.metro-page-button,.metro-controls-header{display:none}}@media (width<=759px){.metronome-screen{--metro-gap:8px;--metro-card-radius:16px;--metro-orbit-size:min(67vw,252px);--metro-core-size:136px;--metro-step-size:46px;--metro-transport-height:56px;height:100%;min-height:0;overflow:hidden}.metronome-screen,.metronome-pages,.metronome-stage,.metronome-controls{width:100%;min-width:0;max-width:100%}.metronome-pages,.metronome-page{height:100%;min-height:0}.metronome-stage{padding:10px 12px 12px;overflow:hidden}.pulse-orbit{margin:38px auto 7px}.pulse-ring{inset:10px}.pulse-ring-two{inset:30px}.pulse-core small{font-size:9px}.pulse-core strong{margin:-2px 0 -3px;font-size:68px}.pulse-core span{font-size:11px}.beat-dots{gap:clamp(3px,.9vw,6px);width:min(100%,360px);margin-bottom:8px;overflow:hidden}.beat-dots i{flex-basis:clamp(20px,6.2vw,25px);width:clamp(20px,6.2vw,25px);height:clamp(20px,6.2vw,25px);font-size:9px}.bpm-control{max-width:100%;padding:0 4px}.bpm-stepper{gap:12px}.bpm-stepper button{border-radius:14px}.bpm-stepper strong{font-size:clamp(48px,13vw,64px)}.bpm-stepper span{margin-top:4px;font-size:10px}.bpm-control input{margin-top:12px}.transport-row{gap:8px;max-width:100%;margin-top:10px}.transport-row button{border-radius:14px}.transport-row .play-button{min-height:calc(var(--metro-transport-height) + 8px)}.metronome-controls{height:100%;padding:10px 12px 12px;overflow:hidden}.metro-card,.subdivision-control{min-width:0;padding:10px}.metronome-controls .section-heading{margin-bottom:8px}.metronome-controls 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button{min-height:43px}.switch-list>button{min-height:40px}}@media (orientation:landscape) and (height<=600px),(orientation:landscape) and (width<=1366px) and (hover:none){.metronome-screen{--metro-gap:6px;--metro-card-radius:14px;--metro-orbit-size:min(39dvh,154px);--metro-core-size:min(22dvh,90px);--metro-step-size:42px;--metro-transport-height:52px;height:calc(100dvh - 66px);min-height:0}.metronome-pages,.metronome-page{height:100%;min-height:0}.metronome-pages{grid-template-columns:none!important;display:flex!important;transform:translate(0)!important}.metronome-screen.show-controls .metronome-pages{transform:translate(-100%)!important}.metronome-page{flex:0 0 100%!important;width:100%!important}.metronome-stage{min-height:0;padding:6px max(12px,env(safe-area-inset-right)) 6px max(12px,env(safe-area-inset-left));border-right:0;grid-template-rows:34px minmax(0,1fr) 54px;grid-template-columns:minmax(170px,.7fr) minmax(360px,1.3fr);align-content:center;gap:5px 16px;display:grid;overflow:hidden}.metro-page-button{grid-area:1/2;place-self:start end;min-height:32px;display:flex;position:static}.pulse-orbit{grid-area:1/1/3;place-self:center;margin:0;transform:none}.pulse-ring{inset:8px}.pulse-ring-two{inset:24px}.pulse-core small{font-size:7px}.pulse-core strong{font-size:46px}.pulse-core span{font-size:9px}.beat-dots{grid-area:3/1;place-self:center;margin:0}.beat-dots i{flex-basis:22px;width:22px;height:22px}.bpm-control{grid-area:2/2;align-self:center;padding:0 8px}.bpm-stepper{gap:10px}.bpm-stepper strong{font-size:clamp(42px,15dvh,58px)}.tempo-name{margin-top:2px;font-size:11px}.bpm-control input{margin-top:7px}.transport-row{grid-area:3/2;gap:6px;margin:0}.transport-row button{border-radius:12px}.transport-row .play-button{min-height:var(--metro-transport-height)}.transport-row button small{display:none}.metro-audio-error{z-index:3;width:min(45%,360px);margin:0;position:absolute;top:7px;right:126px}.metronome-controls{height:100%;max-height:none;padding:6px max(10px,env(safe-area-inset-right)) 6px max(10px,env(safe-area-inset-left));grid-template-rows:auto minmax(0,1fr);grid-template-columns:repeat(3,minmax(0,1fr));align-items:stretch;display:grid;position:relative;top:auto;overflow:hidden}.metro-controls-header{grid-column:1/-1;display:flex}.metro-controls-header button{flex-basis:34px;width:34px;height:34px}.metro-controls-header small{display:none}.metronome-controls .metro-card,.metronome-controls .subdivision-control{height:100%;min-height:0;padding:8px;overflow:hidden}.signature-card{grid-area:2/1}.subdivision-control{grid-area:2/2}.sound-card{grid-area:2/3;gap:5px}.metronome-controls .section-heading{margin-bottom:5px}.subdivision-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:3px}.subdivision-grid button{min-height:34px}.subdivision-grid button strong{font-size:15px}.metronome-controls .select-shell select{min-height:34px}.volume-control{gap:7px}.switch-list{gap:4px}.switch-list>button{min-height:38px;padding:4px 6px}.switch-list small{display:none}}@media (orientation:landscape) and (height<=600px) and (width<=759px){.metronome-screen{--metro-orbit-size:min(35dvh,132px);--metro-core-size:min(20dvh,78px);--metro-transport-height:46px;height:100%}.metronome-stage{grid-template-rows:30px minmax(0,1fr) 48px;grid-template-columns:minmax(145px,.65fr) minmax(290px,1.35fr);gap:4px 10px;padding:4px 10px}}@media (orientation:landscape) and (hover:none){html[data-platform=android] .metronome-screen,html[data-platform=ios] .metronome-screen{height:100%;min-height:0}}.settings-screen{--settings-gap:14px;--settings-card-radius:21px;--settings-card-padding:18px;width:100%;min-width:0;max-width:980px;margin:auto;padding:34px 16px 36px;overflow-x:hidden}.settings-heading{max-width:680px;margin:0 auto 24px}.settings-heading h1{letter-spacing:-.045em;margin:0;font-size:clamp(34px,8vw,54px)}.settings-heading p{color:var(--muted);margin:9px 0 0}.settings-grid{gap:var(--settings-gap);min-width:0;display:grid}.settings-card{min-width:0;padding:var(--settings-card-padding);border:1px solid var(--line);border-radius:var(--settings-card-radius);background:var(--surface)}.settings-card-wide{grid-column:1/-1}.settings-title{align-items:flex-start;gap:11px;min-width:0;display:flex}.settings-title>div{min-width:0}.settings-title>svg{color:var(--orange);flex:none}.settings-title strong,.settings-title span{display:block}.settings-title strong{font-size:15px}.settings-title span{color:var(--muted);margin-top:4px;font-size:11px}.tuner-settings-stack{gap:12px;min-width:0;margin-top:16px;display:grid}.tuner-settings-card .selector-panel,.tuner-settings-card .string-selector,.tuner-settings-card .calibration-card{box-shadow:none}.tuner-view-setting{border:1px solid var(--line);background:var(--surface);border-radius:20px;padding:14px}.tuner-view-setting .section-heading{margin-bottom:10px}.tuner-view-options{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;display:grid}.tuner-view-options button{border:1px solid var(--line);min-width:0;min-height:62px;color:var(--muted);cursor:pointer;background:#0b1215;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:4px;padding:8px;display:flex}.tuner-view-options button strong{color:var(--text);font-size:12px}.tuner-view-options button span{font-size:10px}.tuner-view-options button.active{color:var(--orange);background:#ff87071a;border-color:#ff87077a}.tuner-view-options button.active strong{color:var(--orange)}.sensitivity-options,.theme-options{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin-top:16px;display:grid}.sensitivity-options button,.theme-options button{border:1px solid var(--line);min-width:0;min-height:70px;color:var(--muted);cursor:pointer;background:#0b1215;border-radius:13px;flex-direction:column;justify-content:center;align-items:center;gap:5px;padding:8px;display:flex}.sensitivity-options button strong{color:var(--text);font-size:12px}.sensitivity-options button span,.theme-options button span{font-size:10px}.sensitivity-options button.active,.theme-options button.active{color:var(--orange);background:#ff87071a;border-color:#ff87077a}.sensitivity-options button.active strong{color:var(--orange)}.compatibility-copy{color:#b9c4c7;margin:15px 0 0;font-size:12px;line-height:1.6}.legal-links{flex-wrap:wrap;gap:7px;margin-top:12px;display:flex}.legal-links a{border:1px solid var(--line);min-height:36px;color:var(--text);border-radius:10px;align-items:center;padding:0 11px;font-size:11px;font-weight:700;text-decoration:none;display:inline-flex}.legal-links a:hover{color:var(--orange);border-color:#ff87077a}html[data-theme=light] .tuner-view-options button,html[data-theme=light] .sensitivity-options button,html[data-theme=light] .theme-options button{color:#607178;background:#edf2f3}html[data-theme=light] .tuner-view-options button strong,html[data-theme=light] .sensitivity-options button strong{color:#1b292e}html[data-theme=light] .tuner-view-options button.active,html[data-theme=light] .tuner-view-options button.active strong,html[data-theme=light] .sensitivity-options button.active,html[data-theme=light] .sensitivity-options button.active strong{color:#c65f00}@media (width>=760px){.settings-screen{overscroll-behavior:contain;scrollbar-gutter:stable;height:calc(100dvh - 66px);overflow-y:auto}.settings-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=759px){.settings-screen{--settings-gap:12px;--settings-card-radius:18px;--settings-card-padding:14px;height:100%;min-height:0;padding:20px max(12px,env(safe-area-inset-right)) 18px max(12px,env(safe-area-inset-left));overscroll-behavior:contain;scrollbar-width:none;margin:0;overflow-y:auto}.settings-screen::-webkit-scrollbar{width:0;height:0;display:none}.settings-heading{margin-bottom:16px}.settings-heading h1{font-size:34px}.settings-grid{grid-template-columns:minmax(0,1fr)}.settings-card-wide{grid-column:1}}@supports (-webkit-touch-callout:none){@media (width<=759px){.settings-screen,.settings-grid,.settings-card,.tuner-settings-stack,.settings-screen .selector-panel,.settings-screen .string-selector,.settings-screen .calibration-card,.settings-screen .mode-tabs,.settings-screen .selector-grid,.settings-screen .select-shell,.settings-screen .strings-row{width:100%;min-width:0;max-width:100%}.settings-screen .mode-tabs{grid-template-columns:repeat(3,minmax(0,1fr))}.settings-screen .mode-tabs button{min-width:0}}}@media (orientation:landscape) and (hover:none){html[data-platform=android] .settings-screen,html[data-platform=ios] .settings-screen{height:100%;min-height:0}}.privacy-page{min-height:100dvh;padding:clamp(24px,5vw,64px) max(20px,env(safe-area-inset-right)) max(32px,env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left));overflow-y:auto}.privacy-card{border:1px solid var(--line);background:var(--surface);border-radius:24px;width:min(760px,100%);margin:0 auto;padding:clamp(24px,5vw,48px)}@supports (color:color-mix(in lab, red, red)){.privacy-card{background:color-mix(in srgb,var(--surface) 94%,transparent)}}.privacy-card{box-shadow:0 24px 80px #0000003d}.privacy-brand{color:var(--orange);letter-spacing:.12em;text-transform:uppercase;margin:0 0 10px;font-size:13px;font-weight:800}.privacy-card h1{color:var(--text);margin:0;font-size:clamp(30px,6vw,46px);line-height:1.05}.privacy-updated{color:var(--muted);margin:10px 0 32px;font-size:14px}.privacy-card section{margin-top:26px}.privacy-card h2{color:var(--text);margin:0 0 8px;font-size:19px}.privacy-card section p{color:var(--muted);margin:0;font-size:16px;line-height:1.65}.privacy-card section a{color:var(--text);text-underline-offset:3px}.privacy-actions{flex-wrap:wrap;gap:12px;margin-top:34px;display:flex}.privacy-back{border:1px solid var(--orange);min-height:48px;color:var(--text);border-radius:14px;align-items:center;margin-top:34px;padding:0 18px;font-weight:700;text-decoration:none;display:inline-flex}.privacy-actions .privacy-back{margin-top:0}.privacy-secondary{border:1px solid var(--line);min-height:48px;color:var(--text);border-radius:14px;align-items:center;padding:0 18px;font-weight:700;text-decoration:none;display:inline-flex}.privacy-back:hover{background:var(--orange)}@supports (color:color-mix(in lab, red, red)){.privacy-back:hover{background:color-mix(in srgb,var(--orange) 14%,transparent)}}.privacy-secondary:hover{background:var(--surface-2)}@supports (color:color-mix(in lab, red, red)){.privacy-secondary:hover{background:color-mix(in srgb,var(--surface-2) 88%,transparent)}}@media (width<=520px){.privacy-card{border-radius:20px}.privacy-card section p{font-size:15px}}@media (width>=760px){.local-badge{display:inline-flex}.bottom-nav{border:1px solid var(--line);border-radius:22px;grid-template-columns:1fr;gap:4px;width:70px;min-height:auto;padding:6px;inset:50% auto auto 16px;transform:translateY(-50%)}.bottom-nav button{min-height:64px}.bottom-nav button.active:before{width:3px;height:22px;top:50%;left:-4px;transform:translateY(-50%)}.app-shell{padding-bottom:0}.modal-backdrop{align-items:center;padding:20px}.modal-card{border-radius:26px}}@media (width<=759px){html,body{height:100%;overflow:hidden}.app-shell{height:100dvh;min-height:0;padding-bottom:0;overflow:hidden}.topbar{height:calc(58px + env(safe-area-inset-top));min-height:calc(58px + env(safe-area-inset-top));padding-top:calc(5px + env(safe-area-inset-top));padding-bottom:7px;position:relative}.screen-container{height:calc(100dvh - 123px - env(safe-area-inset-top) - env(safe-area-inset-bottom));min-height:0;overflow:hidden}}@media (width<=380px){.topbar{gap:7px;padding-left:9px;padding-right:9px}.topbar-actions .topbar-button:last-child{display:none}.brand-logo-compact{width:62px}.brand-icon{width:29px;height:29px}.brand-name{font-size:9px;line-height:10px}}@media (orientation:landscape) and (hover:none){html[data-platform=android] .app-shell,html[data-platform=ios] .app-shell{height:100dvh;min-height:0;padding-bottom:0;overflow:hidden}html[data-platform=android] .topbar,html[data-platform=ios] .topbar{height:calc(58px + env(safe-area-inset-top));min-height:calc(58px + env(safe-area-inset-top));padding-top:calc(5px + env(safe-area-inset-top));padding-bottom:7px;position:relative}html[data-platform=android] .screen-container{width:100%;height:calc(100dvh - 112px - env(safe-area-inset-top) - env(safe-area-inset-bottom));min-height:0;margin:0 auto;overflow:hidden}html[data-platform=ios] .screen-container{width:100%;height:calc(100dvh - 106px - env(safe-area-inset-top) - env(safe-area-inset-bottom));min-height:0;overflow:hidden}html[data-platform=android] .bottom-nav,html[data-platform=ios] .bottom-nav{border:1px solid var(--line);border-bottom:0;grid-template-columns:repeat(4,minmax(0,1fr));width:auto;top:auto;bottom:0;transform:none}html[data-platform=android] .bottom-nav{right:max(6px,env(safe-area-inset-right));left:max(6px,env(safe-area-inset-left));min-height:calc(54px + env(safe-area-inset-bottom));padding:3px 5px env(safe-area-inset-bottom);border-radius:17px 17px 0 0;gap:3px}html[data-platform=ios] .bottom-nav{right:max(5px,env(safe-area-inset-right));left:max(5px,env(safe-area-inset-left));min-height:calc(48px + env(safe-area-inset-bottom));padding:2px 4px env(safe-area-inset-bottom);border-radius:15px 15px 0 0;gap:2px}html[data-platform=android] .bottom-nav button,html[data-platform=ios] .bottom-nav button{flex-direction:row;min-width:0}html[data-platform=android] .bottom-nav button{border-radius:12px;gap:6px;min-height:50px;padding:0 5px;font-size:10px}html[data-platform=ios] .bottom-nav button{border-radius:11px;gap:5px;min-height:44px;padding:0 4px;font-size:9px}html[data-platform=android] .bottom-nav button.active:before,html[data-platform=ios] .bottom-nav button.active:before{height:3px;left:50%;transform:translate(-50%)}html[data-platform=android] .bottom-nav button.active:before{width:22px;top:2px}html[data-platform=ios] .bottom-nav button.active:before{width:20px;top:1px}}.sr-only{clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}.skip-link{z-index:100;top:max(8px,env(safe-area-inset-top));left:max(8px,env(safe-area-inset-left));color:#111;background:var(--orange);border-radius:10px;padding:10px 14px;font-size:14px;font-weight:750;transition:transform .16s;position:fixed;transform:translateY(-180%)}.skip-link:focus{transform:translateY(0)}button:focus-visible,input:focus-visible,select:focus-visible{outline-offset:2px;outline:3px solid #ff8707cc}[aria-invalid=true]{box-shadow:0 0 0 2px #eb4a402e;border-color:var(--danger)!important}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}.note-guide-stage.playing .tone-wave i{animation:none}}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}