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0);clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.label-toggle>span{background:#555850;border-radius:99px;width:34px;height:20px;transition:background-color .13s;position:relative}.label-toggle>span:after{content:"";background:#fff;border-radius:50%;width:14px;height:14px;transition:transform .13s cubic-bezier(.2,0,0,1);position:absolute;inset-block-start:3px;inset-inline-start:3px}.label-toggle input:checked+span{background:#7e73ef}.label-toggle input:checked+span:after{transform:translate(14px)}.label-toggle input:focus-visible+span{outline-offset:3px;outline:3px solid #7ca4ff}.piano-wrap{padding-block-end:14px;position:relative}.scroll-cue{z-index:8;color:#c4c7bf;pointer-events:none;background:#141613c7;border-radius:99px;padding:5px 10px;font-size:10px;font-weight:600;position:absolute;inset-block-start:8px;inset-inline-start:50%;transform:translate(-50%)}.piano-viewport{overscroll-behavior-inline:contain;scrollbar-color:#5f625b #2b2e29;scrollbar-width:thin;overflow-x:auto;container-type:inline-size}.piano-viewport::-webkit-scrollbar{height:8px}.piano-viewport::-webkit-scrollbar-track{background:#2b2e29}.piano-viewport::-webkit-scrollbar-thumb{background:#656861;border-radius:99px}.piano{--minimum-white-key-width:32px;--white-key-width:clamp(var(--minimum-white-key-width), calc(100cqw / var(--visible-white-keys)), 58px);--black-key-width:calc(var(--white-key-width) * .64);--visible-white-keys:52;width:calc(var(--visible-white-keys) * var(--white-key-width));background:#d4d3ce;height:224px;margin-inline:auto;position:relative}.white-keys{height:216px;display:flex}.piano-key{cursor:pointer;-webkit-user-select:none;user-select:none;touch-action:manipulation;border:0;justify-content:flex-end;align-items:center;display:flex;position:relative}.white-key{width:var(--white-key-width);flex:0 0 var(--white-key-width);color:#6a6d65;background:linear-gradient(#fff 0% 78%,#f1f0eb 100%);border-inline-end:1px solid #c6c5bf;border-radius:0 0 7px 7px;flex-direction:column;height:216px;padding-block-end:11px;box-shadow:inset 0 -5px #deddd7}.white-key:first-child{border-inline-start:1px solid #c6c5bf}.black-key{z-index:3;width:var(--black-key-width);color:#d5d7d2;background:linear-gradient(100deg,#20221f 0%,#343732 68%,#171816 100%);border-radius:0 0 6px 6px;flex-direction:column;height:138px;padding-block-end:9px;position:absolute;inset-block-start:0;box-shadow:inset 0 -6px #0e0f0d,0 6px 7px #00000047}.piano-key.selected.white-key{color:var(--color-accent-dark);background:linear-gradient(#f0efff 0%,#ddd9ff 100%);box-shadow:inset 0 -5px #afa7ff}.piano-key.selected.black-key{background:linear-gradient(110deg,#5d50dc 0%,#786ced 100%);box-shadow:inset 0 -6px #3e32ac,0 6px 7px #00000040}.piano-key.microphone-detected.white-key{background:linear-gradient(#f0efff 0%,#d7d2ff 100%);box-shadow:inset 0 -5px #8e84f5,inset 0 0 0 3px #6f63e8}.piano-key.microphone-detected.black-key{background:linear-gradient(110deg,#6b5ee8 0%,#8a80f5 100%);box-shadow:inset 0 -6px #4337b5,0 0 0 3px #bcb6ff,0 6px 7px #00000040}.piano-key.target.white-key{z-index:2;outline-offset:-5px;outline:4px solid #e09b2d}.piano-key.target.black-key{z-index:5;outline-offset:-5px;outline:4px solid #f2bd68}.piano-key.target:before{content:"Next";z-index:2;color:#fff;background:#6f4510;border-radius:5px;padding:3px 5px;font-size:8px;font-weight:700;position:absolute;inset-block-end:48px;inset-inline-start:50%;transform:translate(-50%)}.black-key.target:before{inset-block-end:43px}.piano-key:active{transform:translateY(3px)}.piano-key:focus-visible{z-index:6;outline-offset:-4px;outline:3px solid #2c67d9}.key-label{align-items:baseline;gap:1px;font-size:12px;display:flex}.key-label strong{font-size:13px}.key-label small{font-size:9px}.black-key-label{margin-block-end:4px;font-size:9px;font-weight:600}.piano-key kbd{color:#53564f;background:#e4e3de;border-radius:5px;place-items:center;width:20px;height:20px;margin-block-start:7px;font-family:inherit;font-size:9px;font-weight:700;display:grid}.black-key kbd{color:#fff;background:#4c4f49;width:18px;height:18px;margin-block-start:3px}.note-detail-row{justify-content:space-between;align-items:center;gap:24px;padding:24px 4px 4px;display:flex}.selected-note{align-items:center;gap:16px;min-width:0;display:flex}.note-avatar{background:var(--color-accent-soft);width:62px;height:62px;color:var(--color-accent-dark);letter-spacing:-.05em;border-radius:18px;flex:none;place-items:center;font-size:25px;font-weight:900;display:grid}.note-avatar sup{margin-inline-start:2px;font-size:11px}.selected-note h3{letter-spacing:-.02em;margin:3px 0;font-size:19px}.selected-note h3 span{color:var(--color-text-muted);font-variant-numeric:tabular-nums;margin-inline-start:7px;font-size:13px;font-weight:500}.selected-note>div>p:last-child{color:var(--color-text-muted);margin:0;font-size:13px;line-height:1.4}.hear-button{background:var(--color-surface-soft);min-width:max-content;padding-inline:16px}.hear-button svg{width:17px}.shortcut-note{color:var(--color-text-muted);background:#f6f5f1;border-radius:14px;align-items:flex-start;gap:10px;margin-block-start:20px;padding:14px 16px;font-size:12px;line-height:1.5;display:flex}.shortcut-note svg{flex:none;width:17px;margin-block-start:1px}.shortcut-note kbd{color:var(--color-text);font-family:inherit;font-weight:700}.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}.game-card{background:var(--color-surface);padding:clamp(20px,3vw,34px);overflow:hidden}.game-header{justify-content:space-between;align-items:flex-start;gap:24px;margin-block-end:24px;display:flex}.game-header h2{letter-spacing:-.055em;text-wrap:balance;margin:6px 0 7px;font-size:clamp(30px,4vw,46px);line-height:1.05}.game-header>div:first-child>p:last-child{max-width:62ch;color:var(--color-text-muted);text-wrap:pretty;margin:0;line-height:1.5}.game-mic-status{border:1px solid var(--color-border);min-width:250px;min-height:58px;color:var(--color-text-muted);background:#f6f5f1;border-radius:17px;align-items:center;gap:11px;padding:10px 14px;display:flex}.game-mic-status.listening{background:var(--color-success-soft);color:var(--color-success);border-color:#94c2a6}.game-mic-status.error,.game-mic-status.unsupported{color:#873d27;background:#fff3ef;border-color:#d9a998}.game-mic-status>svg{flex:none;width:20px}.game-mic-status span,.game-mic-status strong,.game-mic-status small{display:block}.game-mic-status strong{font-size:12px}.game-mic-status small{color:var(--color-text-muted);margin-block-start:2px;font-size:10px;font-weight:500}.game-intro{background:var(--color-text);color:#fff;border-radius:22px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:18px;padding:20px;display:grid}.game-intro-icon{color:#ada6ff;background:#393c36;border-radius:18px;place-items:center;width:58px;height:58px;display:grid}.game-intro-icon svg{width:27px}.game-intro .eyebrow{color:#aeb1aa}.game-intro h3{letter-spacing:-.03em;margin:4px 0;font-size:20px}.game-intro p:last-child{color:#bdc0b8;max-width:64ch;margin:0;font-size:12px;line-height:1.5}.game-rule-pills{flex-wrap:wrap;justify-content:flex-end;gap:7px;max-width:360px;display:flex}.game-rule-pills span{color:#e1e3de;white-space:nowrap;background:#343730;border-radius:99px;align-items:center;gap:6px;min-height:32px;padding-inline:10px;font-size:10px;font-weight:700;display:inline-flex}.game-rule-pills svg{color:#a9a1ff;width:13px}.difficulty-picker{border:0;min-width:0;margin:28px 0 0;padding:0}.difficulty-picker legend{margin-block-end:11px;font-size:13px;font-weight:700}.difficulty-picker>div{grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;display:grid}.difficulty-picker button{border:1px solid var(--color-border);min-width:0;min-height:150px;color:var(--color-text);text-align:start;cursor:pointer;background:#f8f7f3;border-radius:18px;padding:15px;transition-property:transform,border-color,background-color;transition-duration:.13s}.difficulty-picker button:active{transform:scale(.96)}.difficulty-picker button.selected{background:var(--color-accent-soft);border-color:#8f86e8}.difficulty-picker button>span{color:var(--color-accent-dark);letter-spacing:.07em;text-transform:uppercase;font-size:11px;font-weight:800;display:block}.difficulty-picker button strong{margin-block-start:8px;font-size:15px;line-height:1.25;display:block}.difficulty-picker button small{min-height:46px;color:var(--color-text-muted);margin-block-start:5px;font-size:11px;line-height:1.4;display:block}.difficulty-picker button em{color:var(--color-text-muted);margin-block-start:10px;font-size:10px;font-style:normal;font-weight:700;display:block}.game-start-panel{border:1px solid var(--color-border);background:#f6f5f1;border-radius:20px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:16px;margin-block-start:18px;padding:18px;display:grid}.game-start-panel.listening{background:#edf7f1;border-color:#9cc6ac}.game-level-mark{background:var(--color-accent);color:#fff;border-radius:15px;place-items:center;width:50px;height:50px;font-size:20px;font-weight:900;display:grid}.game-start-panel h3{margin:4px 0 2px;font-size:17px}.game-start-panel p:not(.eyebrow){color:var(--color-text-muted);margin:0;font-size:12px;line-height:1.45}.game-start-panel .game-mic-error{color:#713a29;margin-block-start:5px}.game-primary-button,.game-secondary-button,.game-stop-button{cursor:pointer;border:0;border-radius:13px;justify-content:center;align-items:center;gap:8px;min-height:46px;padding-inline:18px;font-size:13px;font-weight:700;transition-property:transform,background-color;transition-duration:.13s;display:inline-flex}.game-primary-button{background:var(--color-text);color:#fff}.game-primary-button svg{width:17px}.game-primary-button:active:not(:disabled),.game-secondary-button:active,.game-stop-button:active{transform:scale(.96)}.game-primary-button:disabled{cursor:wait;opacity:.62}.game-secondary-button{border:1px solid var(--color-border);color:var(--color-text);background:#fff}.game-stop-button{color:#d5d7d2;background:#343730;min-height:38px;padding-inline:13px;font-size:11px}.game-countdown{background:var(--color-text);color:#fff;text-align:center;border-radius:24px;align-content:center;place-items:center;min-height:560px;display:grid;position:relative;overflow:hidden}.game-countdown p{z-index:1;color:#c5c8c0;letter-spacing:.1em;text-transform:uppercase;margin:0;font-size:13px;font-weight:700}.game-countdown>strong{z-index:1;color:#aaa2ff;letter-spacing:-.08em;font-variant-numeric:tabular-nums;margin-block:-4px;font-size:clamp(120px,20vw,210px);line-height:1}.game-countdown>span:last-child{z-index:1;color:#aeb1aa;font-size:12px}.countdown-rings span{border:1px solid #aca3ff38;border-radius:50%;width:300px;height:300px;position:absolute;inset-block-start:50%;inset-inline-start:50%;transform:translate(-50%,-50%)}.countdown-rings span:last-child{border-color:#aca3ff1a;width:480px;height:480px}.game-play-area{background:var(--color-text);color:#fff;border-radius:24px;overflow:hidden}.game-hud{border-block-end:1px solid #393c36;grid-template-columns:auto auto minmax(170px,1fr) auto;align-items:center;gap:24px;min-height:76px;padding-inline:22px;display:grid}.game-hearts{gap:5px;display:flex}.game-hearts svg{color:#ee735e;width:18px;transition:color .13s,opacity .13s,transform .13s}.game-hearts svg.lost{color:#555850;opacity:.55;transform:scale(.82)}.game-score span,.game-score strong{display:block}.game-score span{color:#9fa29b;letter-spacing:.08em;text-transform:uppercase;font-size:9px;font-weight:700}.game-score strong{font-variant-numeric:tabular-nums;margin-block-start:1px;font-size:18px}.game-progress>span{color:#b7bab2;text-align:end;font-variant-numeric:tabular-nums;margin-block-end:6px;font-size:10px;font-weight:700;display:block}.game-progress>div{background:#41443e;border-radius:99px;height:5px;overflow:hidden}.game-progress i{border-radius:inherit;background:#9288ff;height:100%;transition:width .13s cubic-bezier(.2,0,0,1);display:block}.game-streak{color:#c8c2ff;align-items:center;gap:7px;font-size:11px;display:flex}.game-streak svg{width:16px}.game-streak strong{color:#fff;font-variant-numeric:tabular-nums}.game-stage{background:radial-gradient(circle at 50% 45%,#34304f 0%,#23251f 42%,#1c1e1b 75%);grid-template-columns:minmax(150px,.55fr) minmax(260px,1fr) minmax(170px,.55fr);align-items:center;gap:24px;min-height:430px;padding:clamp(30px,5vw,64px);display:grid;position:relative}.game-time-ring{background:radial-gradient(circle, #22241f 57%, transparent 59%), conic-gradient(#8f84ff var(--game-time), #41443e 0);border-radius:50%;justify-self:center;place-items:center;width:132px;height:132px;display:grid}.game-time-ring>span{letter-spacing:-.04em;font-variant-numeric:tabular-nums;font-size:30px;font-weight:900}.game-time-ring small{color:#aeb1aa;margin-inline-start:2px;font-size:11px}.game-target-copy{text-align:center}.game-target-copy .eyebrow{color:#aca6e8}.game-target-copy h3{color:#d7d9d3;margin:16px 0 0;font-size:15px;font-weight:600}.game-note-orb{background:linear-gradient(145deg,#7165eb,#4b3fc2);border:1px solid #ffffff29;border-radius:50%;align-content:center;place-items:center;width:clamp(180px,20vw,240px);height:clamp(180px,20vw,240px);margin:16px auto 0;display:grid;box-shadow:0 0 0 18px #7e73ef14,0 24px 70px #0d0c1e6b,inset 0 1px #ffffff38}.game-note-orb strong{letter-spacing:-.08em;font-size:clamp(78px,10vw,124px);line-height:.85}.game-note-orb sup{letter-spacing:0;margin-inline-start:5px;font-size:24px}.game-note-orb span{color:#ddd9ff;letter-spacing:.1em;text-transform:uppercase;margin-block-start:17px;font-size:10px;font-weight:700}.game-listening{justify-self:stretch}.game-level{background:#41443e;border-radius:99px;height:7px;display:block;overflow:hidden}.game-level i{border-radius:inherit;background:#79d39c;height:100%;transition:width 80ms linear;display:block}.game-listening small{color:#aeb1aa;text-align:center;margin-block-start:8px;font-size:10px;line-height:1.4;display:block}.game-round-footer{border-block-start:1px solid #393c36;grid-template-columns:minmax(200px,1fr) auto auto;align-items:center;gap:16px;min-height:76px;padding:14px 18px;display:grid}.game-feedback{color:#c7cac3;font-size:12px;line-height:1.4}.game-history{gap:6px;display:flex}.game-history span{color:#d4d7d0;background:#343730;border-radius:9px;align-items:center;gap:4px;min-height:30px;padding-inline:8px;font-size:9px;font-weight:700;display:inline-flex}.game-history span.correct{color:#bfe6cd}.game-history span.wrong,.game-history span.missed{color:#ffd0c1}.game-history svg{width:11px}.game-result{text-align:center;background:radial-gradient(circle at 50% 32%,#edeaff 0%,#f8f7f3 46%,#eeece5 100%);border-radius:24px;flex-direction:column;justify-content:center;align-items:center;min-height:540px;padding:40px 24px;display:flex}.game-result-icon{background:var(--color-accent);color:#fff;border-radius:23px;place-items:center;width:76px;height:76px;margin-block-end:18px;display:grid;box-shadow:0 14px 30px #493dbf3d}.game-result.lost .game-result-icon{background:#873d27}.game-result-icon svg{width:34px}.game-result h3{letter-spacing:-.055em;text-wrap:balance;margin:7px 0;font-size:clamp(32px,5vw,50px);line-height:1.05}.game-result>p:not(.eyebrow){max-width:52ch;color:var(--color-text-muted);margin:0;line-height:1.5}.game-result-stats{grid-template-columns:repeat(3,1fr);gap:10px;width:min(100%,520px);margin-block:30px;display:grid}.game-result-stats span{background:#ffffffc7;border-radius:16px;padding:16px}.game-result-stats strong,.game-result-stats small{display:block}.game-result-stats strong{font-variant-numeric:tabular-nums;font-size:24px}.game-result-stats small{color:var(--color-text-muted);text-transform:uppercase;margin-block-start:2px;font-size:10px;font-weight:700}.game-result>div:last-child{gap:9px;display:flex}.ear-card{background:var(--color-surface);margin-block-start:20px;padding:clamp(20px,3vw,34px);scroll-margin-block-start:18px}.ear-header{justify-content:space-between;align-items:flex-start;gap:24px;margin-block-end:24px;display:flex}.ear-header h2{letter-spacing:-.045em;text-wrap:balance;margin:6px 0 7px;font-size:clamp(26px,3vw,38px);line-height:1.1}.ear-header>div:first-child>p:last-child{max-width:58ch;color:var(--color-text-muted);text-wrap:pretty;margin:0;line-height:1.5}.ear-score{background:var(--color-surface-soft);text-align:center;border-radius:16px;min-width:92px;padding:12px 15px}.ear-score>span{color:var(--color-text-muted);letter-spacing:.08em;text-transform:uppercase;font-size:10px;font-weight:700;display:block}.ear-score strong{font-variant-numeric:tabular-nums;margin-block-start:2px;font-size:22px;display:block}.ear-score small{color:var(--color-text-muted);font-size:13px}.ear-training-grid{grid-template-columns:minmax(280px,.8fr) minmax(450px,1.35fr);gap:16px;display:grid}.mystery-note-card,.pitch-answer-card{border-radius:22px;min-height:320px}.mystery-note-card{background:var(--color-text);color:#fff;text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:28px;display:flex;position:relative;overflow:hidden}.mystery-note-card:before,.mystery-note-card:after{content:"";pointer-events:none;border:1px solid #ffffff14;border-radius:50%;position:absolute}.mystery-note-card:before{width:250px;height:250px}.mystery-note-card:after{width:330px;height:330px}.sound-visualizer{z-index:1;align-items:center;gap:5px;height:64px;margin-block-end:18px;display:flex;position:relative}.sound-visualizer span{transform-origin:50%;background:#9288ff;border-radius:99px;width:5px;max-height:62px}.mystery-note-card>div:nth-child(2){z-index:1;position:relative}.mystery-note-card .eyebrow{color:#aaa9a3}.mystery-note-card h3{letter-spacing:-.035em;margin:5px 0;font-size:24px}.mystery-note-card 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