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0}.sound-stage{height:210px;position:relative;display:flex;justify-content:center;align-items:center}.stage-ring{position:absolute;border:1px solid #b5f6f31e;border-radius:50%;width:157px;height:157px;pointer-events:none}.ring-two{width:200px;height:200px;opacity:.65}.answer-glyph{font-family:Arial,var(--font);font-size:154px;font-weight:800;line-height:1;position:relative;z-index:1;text-shadow:0 7px 0 #00899530;transform:rotate(-4deg);letter-spacing:-7px;padding-right:7px}.game-board.feedback-state .answer-glyph{font-size:103px;transform:none;letter-spacing:-5px}.game-board.wrong-answer .answer-glyph{color:#fff0c5}.sound-wave{position:absolute;bottom:10px;display:flex;gap:4px;height:15px;align-items:center}.sound-wave i{width:3px;height:5px;border-radius:5px;background:#c2f4ed}.sound-wave i:nth-child(2),.sound-wave i:nth-child(4){height:10px}.sound-wave i:nth-child(3){height:15px}.sound-wave.playing i{animation:wave .65s ease-in-out infinite alternate}.sound-wave.playing 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.key-number{position:absolute;right:7px;top:5px;font-size:8px;color:#aecac3}.answer-key.is-correct{background:#d9f8de;border-color:#9cdec0;color:#227951}.answer-key.is-wrong{background:#fff0d6;border-color:#f0d08d;color:#b88b3d}.answer-key.is-faded{background:#ffffffac;color:#3294a1;box-shadow:0 4px 0 #007c8e25}.board-bottomline{display:flex;justify-content:space-between;align-items:center;color:#c0f0ef9c;font-size:9px;letter-spacing:.4px;margin-top:17px}.game-controls{min-height:83px;display:flex;justify-content:space-between;align-items:center;gap:15px}.practice-tools{display:flex;align-items:center;gap:13px}.reference-button,.listen-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid #d9e6dc;background:#fbfcf8;border-radius:8px;padding:11px 13px;color:#649c8b;font-size:11px;min-height:40px}.reference-button .icon,.listen-button .icon{height:15px;width:15px}.reference-button 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svg{width:29px;height:29px;fill:none;stroke:currentColor;stroke-width:3;stroke-linecap:round}.pause-overlay h2{font-size:24px;letter-spacing:1px;font-weight:600;margin:22px 0 0}.pause-overlay p{font-size:12px;color:#c3eeeb;margin:12px 0 25px}.button-light{background:#fff;color:var(--teal-dark)}
.result-view{max-width:760px;margin:33px auto 45px}.result-eyebrow{display:flex;gap:7px;align-items:center;justify-content:center;font-size:11px;color:#6b9e88;letter-spacing:1px}.result-eyebrow .icon{width:17px;height:17px}.result-view>h1{text-align:center;font-size:30px;letter-spacing:.4px;font-weight:650;margin:17px 0 9px;outline:none}.result-subtitle{text-align:center;color:#95a89c;font-size:12px;margin:0 0 27px}.result-card{background:#fffefa;border:1px solid #e0e9de;border-radius:22px;padding:30px;display:grid;grid-template-columns:190px 1fr;align-items:center;column-gap:40px}.accuracy-ring{height:157px;width:157px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(#159e9f var(--accuracy,0%),#eaf0e7 0);padding:8px;justify-self:center}.accuracy-ring>div{border-radius:50%;background:#fffefa;width:100%;height:100%;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:3px}.accuracy-ring strong{font-size:41px;letter-spacing:-1.5px;font-weight:650;color:#118f92;font-variant-numeric:tabular-nums}.accuracy-ring strong span{font-size:16px;letter-spacing:0;margin-left:3px}.accuracy-ring>div>span{font-size:10px;color:#94aa9d}.result-stats{display:flex;justify-content:space-around;gap:35px}.result-stats>div{display:flex;flex-direction:column;gap:14px;align-items:center}.result-stats>div>span{font-size:11px;color:#8ea491}.result-stats strong{font-size:32px;font-weight:600}.result-stats small{font-size:11px;color:#a0b1a3;font-weight:400}.result-actions{grid-column:1/-1;display:flex;gap:11px;justify-content:center;margin-top:26px}.button-secondary{background:#edf2e9;border:1px solid #e0e8d9;color:#78917c;box-shadow:none}.review-header{display:flex;justify-content:space-between;align-items:center;margin:29px 0 13px}.review-header h2{font-size:13px;letter-spacing:.3px;font-weight:550;margin:0}.review-header>span{font-size:10px;color:#95a998}.review-list{display:flex;gap:8px;flex-direction:column}.review-row{display:flex;gap:17px;align-items:center;padding:15px 18px;border-radius:12px;border:1px solid #e0e8dd;background:#ffffffab}.review-number{font-size:9px;color:#9daf9e;letter-spacing:.4px;min-width:33px}.review-notes{flex:1;display:flex;align-items:center;gap:14px;font-size:11px;color:#9aa997}.review-notes strong{font-size:16px;color:#4b8c7c;font-weight:650}.review-notes>span:first-child{color:#b69664}.review-arrow{color:#c2cfc0;font-size:13px}.review-label{font-size:9px;color:#95ab96;margin-right:5px}.review-list .listen-button{background:transparent;border-color:#dce7d9;font-size:10px;padding:8px 11px;min-height:34px}.perfect-state{display:flex;gap:15px;align-items:center;border:1px solid #d6e5d6;background:#eaf3e6;border-radius:13px;padding:23px}.perfect-state>.icon{width:32px;height:32px;color:#74a482}.perfect-state strong{font-size:13px;font-weight:600;color:#568f6a}.perfect-state p{font-size:11px;color:#8da78a;margin:7px 0 0}
.info-dialog{border:1px solid #e3e9df;border-radius:23px;background:#fafcf6;color:var(--ink);padding:37px;max-width:480px;width:calc(100% - 36px);box-shadow:0 30px 120px #173d4030}.info-dialog::backdrop{background:#173b3d66;backdrop-filter:blur(5px)}.dialog-close{position:absolute;right:17px;top:17px;display:grid;place-items:center;background:#eef2e9;border-radius:50%;height:29px;width:29px;color:#8ba290}.dialog-close .icon{height:15px;width:15px}.dialog-eyebrow{font-size:8px;letter-spacing:2px;color:#7fab93}.info-dialog h2{font-size:25px;margin:14px 0 16px}.info-dialog>p{font-size:12px;color:#849b88;line-height:1.9}.help-step{display:flex;gap:15px;margin-top:22px}.help-step>span{font-size:11px;color:#71ac94;font-weight:600;padding-top:2px}.help-step strong{font-size:12px;font-weight:600}.help-step p{font-size:11px;color:#91a38f;line-height:1.8;margin:6px 0 0}.keyboard-help{font-size:9px;color:#9dae99;margin:23px 0 25px;line-height:2}.keyboard-help>span{margin-left:14px}kbd{font:inherit;font-size:8px;border:1px solid #dce6d7;border-radius:4px;padding:2px 4px;color:#7f9c81;background:#f2f6ec}.info-dialog>.button{font-size:12px;width:100%;min-height:43px}.credits-small{font-size:10px!important;border-top:1px solid #e4ebdd;padding-top:15px;margin-top:24px}.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:#214d4b;color:#effff8;padding:12px 20px;border-radius:10px;font-size:12px;box-shadow:0 5px 25px #173b3d30;z-index:100;max-width:calc(100% - 30px);text-align:center;line-height:1.6}.noscript{position:fixed;inset:auto 12px 12px;background:#fff3d6;color:#785a33;padding:20px;z-index:200}
@media(min-width:1400px){.home-view{padding-top:59px}.home-hero{gap:100px;padding-bottom:65px}.preview-board{padding:28px 31px 29px}.preview-question{height:225px}.site-footer{margin-top:36px}.hero-copy h1{font-size:60px}}
@media(max-width:1050px){.home-hero{gap:40px}.site-header{height:91px;padding:0 30px}main{padding:0 30px}.home-view{padding-top:32px}.hero-copy h1{font-size:43px}.preview-board{padding:22px}.preview-question{height:186px}.preview-keys{gap:5px}.preview-keys>span{font-size:14px}.mode-card{padding:20px;gap:13px}.mode-icon{width:40px;height:45px}.mode-title{font-size:15px}.tag{font-size:7px}.site-footer{margin-left:30px;margin-right:30px}.header-nav{margin-left:0}.hero-description{font-size:12px}.note-trail{gap:15px}}
@media(max-width:760px){.site-header{height:83px;padding:0 22px;gap:12px}.brand-mark{width:35px;height:35px;border-radius:11px}.brand-mark svg{width:22px;height:22px}.brand-copy{font-size:17px}.brand-copy>span{font-size:7px;letter-spacing:1.9px;margin-top:5px}.header-nav{margin-left:auto;gap:15px}.nav-item{font-size:11px}.nav-item.active{display:none}.tiny-question{display:none}.volume-control{padding:9px 11px;gap:6px}.volume-control input{width:42px}main{padding:0 22px}.home-view{padding-top:25px}.home-hero{grid-template-columns:1fr;gap:31px;padding-bottom:49px}.hero-copy{text-align:center;padding:0}.eyebrow{justify-content:center;font-size:10px;letter-spacing:1.4px}.hero-copy h1{font-size:41px;line-height:1.35;margin:17px 0 16px;letter-spacing:-1px}.hero-copy h1 br{display:block}.hero-description{font-size:12px;line-height:1.9;margin-bottom:21px}.hero-description br{display:none}.hero-cta{min-width:180px;min-height:46px;padding:13px 24px;font-size:13px}.hero-footnote{justify-content:center;font-size:9px;margin-top:13px}.note-trail{display:none}.preview-wrap{max-width:450px;width:100%;margin:auto;padding-left:9px;padding-right:9px}.preview-label{font-size:8px;margin-bottom:9px}.preview-label-end{font-size:8px}.preview-board{padding:20px 24px 23px;border-radius:21px;transform:rotate(1deg)}.preview-top{font-size:9px}.preview-progress{margin-top:18px}.preview-question{height:155px}.question-glyph{font-size:125px}.orbit{height:124px;width:124px}.orbit-two{height:162px;width:162px}.preview-prompt{font-size:11px;margin-bottom:19px}.preview-keys>span{font-size:16px;padding:10px 0 7px}.preview-keys small{font-size:8px;margin-top:3px}.preview-float{font-size:24px}.sound-demo{padding:10px 14px;width:83%;transform:translateY(16px) rotate(-1deg);font-size:10px}.sound-demo small{font-size:8px}.section-label{font-size:11px;padding-bottom:12px}.section-label>span:last-child{font-size:8px}.mode-grid{gap:12px;grid-template-columns:1fr}.mode-card{padding:19px 20px;gap:16px;border-radius:13px}.mode-icon{width:43px;height:47px}.mode-title{font-size:16px}.mode-body{gap:8px}.mode-description{font-size:11px}.mode-meta{font-size:9px}.tag{font-size:8px}.home-bottom{font-size:9px;letter-spacing:.4px;margin-top:25px}.site-footer{margin:24px 22px 0;padding:20px 0;gap:15px;font-size:8px;letter-spacing:0}.site-footer button{font-size:8px;flex-shrink:0}.site-footer i{margin:0 4px}.game-view{margin-top:12px}.game-toolbar{margin-bottom:17px}.game-mode-title{gap:5px}.game-mode-title h1{font-size:14px}.game-mode-title>span:last-child{display:none}.game-mode-title>span:first-child{font-size:21px}.text-button{font-size:10px}.game-board{padding:23px 21px 18px;border-radius:21px}.board-topline{font-size:9px;letter-spacing:.3px}.question-progress{margin-top:18px;gap:12px}.progress-segments{gap:4px}.question-progress>span{font-size:9px;min-width:44px}.question-headline{font-size:17px;letter-spacing:1px;margin-top:28px}.sound-stage{height:222px}.answer-glyph{font-size:158px}.stage-ring{width:154px;height:154px}.ring-two{width:198px;height:198px}.feedback{font-size:11px;letter-spacing:.3px;min-height:23px}.practice-caption{font-size:9px;margin:18px 0 20px}.answer-keys{gap:6px}.answer-key{min-height:71px;border-radius:7px;padding:14px 1px 9px;border-width:1.5px}.answer-key .note-name{font-size:21px}.answer-key .note-letter{font-size:9px}.answer-key .key-number{display:none}.board-bottomline{font-size:8px;margin-top:17px}.board-bottomline>span:last-child{font-size:8px}.game-controls{min-height:91px;flex-wrap:wrap;padding:17px 0 13px;gap:10px}.practice-tools{gap:8px}.practice-tools>span{font-size:8px}.reference-button{font-size:10px;padding:10px}.game-controls .button{font-size:11px;padding:11px 16px;min-height:40px;gap:8px;margin-left:auto}.comparison-tools{gap:6px}.comparison-tools .listen-button{font-size:9px;padding:10px 8px;gap:4px}.comparison-tools .icon{width:12px;height:12px}.game-footnote{font-size:9px;margin-bottom:9px}.challenge-caption{font-size:10px}.timer-caption{font-size:8px}.timer-segments span{width:35px;height:25px;font-size:11px}.timer-area{gap:9px;margin:9px 0 9px}.result-view{margin-top:23px}.result-eyebrow{font-size:10px}.result-view>h1{font-size:24px;margin-top:15px}.result-subtitle{font-size:10px;line-height:1.8}.result-card{padding:25px 18px;grid-template-columns:123px 1fr;gap:19px}.accuracy-ring{height:122px;width:122px;padding:7px}.accuracy-ring strong{font-size:33px}.accuracy-ring>div>span{font-size:9px}.result-stats{gap:12px;justify-content:space-evenly}.result-stats>div{gap:12px}.result-stats>div>span{font-size:9px}.result-stats strong{font-size:27px}.result-stats small{font-size:9px}.result-actions{margin-top:4px;gap:10px}.result-actions .button{font-size:11px;padding:12px 17px;min-height:43px;gap:10px}.review-header h2{font-size:11px}.review-header>span{font-size:9px}.review-row{gap:8px;padding:13px 12px}.review-number{font-size:8px;min-width:28px}.review-notes{font-size:10px;gap:9px}.review-notes strong{font-size:14px}.review-label{display:none}.review-list .listen-button{font-size:9px;padding:8px;min-height:33px;gap:4px}.review-list .listen-button .icon{width:12px;height:12px}.info-dialog{padding:29px 24px;border-radius:20px}.info-dialog h2{font-size:23px}.keyboard-help{display:none}.info-dialog>.button{margin-top:25px}.pause-overlay h2{font-size:22px}}
@media(max-width:390px){.hero-copy h1{font-size:36px}.site-header{padding:0 16px;gap:8px}.header-nav{gap:8px}.volume-control{padding:8px}.volume-control input{width:30px}main{padding:0 16px}.preview-wrap{padding-left:6px;padding-right:6px}.preview-board{padding:19px}.preview-keys{gap:5px}.mode-card{padding:18px 15px}.section-label>span:last-child{font-size:7px}.game-board{padding-left:16px;padding-right:16px}.answer-key .note-name{font-size:18px}.answer-keys{gap:5px}.sound-stage{height:205px}.game-controls .button{padding:11px 12px}.practice-tools>span{display:none}.comparison-tools .listen-button{font-size:8px;padding:10px 6px}.site-footer{margin-left:16px;margin-right:16px}.site-footer>span{font-size:7px}.result-card{gap:10px;grid-template-columns:115px 1fr}.accuracy-ring{height:112px;width:112px}.review-notes{gap:6px}.hero-description{font-size:11px}.mode-title{font-size:15px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.replay-button{background:#e3f2eb;border-color:#bad9c9;color:#2b887b;font-weight:600}.practice-tools{flex-wrap:wrap}.practice-tools .replay-button:hover{background:#d5eadf}@media(max-width:760px){.practice-tools>span{display:none}.practice-tools{gap:8px}.practice-tools .reference-button{min-height:44px;padding:11px 13px}}

.freeplay-card{grid-column:1/-1;background:linear-gradient(110deg,#f0f8f0,#fffefa);padding-top:20px;padding-bottom:20px}.freeplay-icon{color:#509d8b;background:#e1f1e5}.freeplay-range{font-size:10px;color:#91a99b;letter-spacing:1px;min-width:69px;text-align:right}.freeplay-board{padding-top:29px;padding-bottom:23px}.freeplay-board .question-headline{margin-top:34px;font-size:21px}.freeplay-stage{height:215px}.freeplay-note{position:relative;z-index:1;font-size:110px;line-height:1;font-weight:750;font-family:Arial,var(--font);letter-spacing:-5px;text-shadow:0 6px 0 #00899525}.freeplay-letter{text-align:center;font-size:11px;letter-spacing:2px;color:#d2f7ee;margin:2px 0 12px}.freeplay-status{font-size:11px;color:#c4f3ec;margin-bottom:24px;min-height:20px}.freeplay-key{min-height:127px;touch-action:manipulation;user-select:none;padding-top:26px;padding-bottom:20px}.freeplay-key .note-name{font-size:30px}.freeplay-key .note-letter{font-size:11px;margin-top:10px}.freeplay-key-line{display:block;width:18px;height:3px;background:#dcece4;border-radius:4px;margin:16px auto 0}.freeplay-key.is-playing{background:#d6f7dc;color:#167e68;border-color:#abdfc1;transform:translateY(4px)!important;box-shadow:0 1px 0 #007c8e50!important}.freeplay-key.is-playing .freeplay-key-line{background:#70bb98}.freeplay-tip{display:flex;align-items:center;justify-content:center;gap:9px;margin:23px 0 30px;color:#94aa99}.freeplay-tip>.icon{width:16px;height:16px;color:#77a793}.freeplay-tip p{font-size:10px;line-height:1.9;margin:0}.freeplay-tip strong{color:#6f9e87;font-weight:500;margin:0 3px}.freeplay-view .game-mode-title>span:first-child{font-size:21px}
@media(max-width:760px){.freeplay-card{padding-top:19px;padding-bottom:19px}.freeplay-range{font-size:9px;min-width:63px}.freeplay-board{padding-top:25px;padding-bottom:21px}.freeplay-board .question-headline{font-size:16px;letter-spacing:.5px;margin-top:31px}.freeplay-stage{height:226px}.freeplay-note{font-size:104px}.freeplay-letter{font-size:10px;margin-top:0;margin-bottom:12px}.freeplay-status{font-size:10px;margin-bottom:23px;letter-spacing:.2px}.freeplay-key{min-height:112px;padding-top:24px;padding-bottom:17px}.freeplay-key .note-name{font-size:22px}.freeplay-key .note-letter{font-size:9px;margin-top:9px}.freeplay-key-line{width:14px;height:3px;margin-top:15px}.freeplay-tip{gap:6px;margin:20px 0 25px}.freeplay-tip p{font-size:9px}.freeplay-tip>.icon{width:13px;height:13px}}
@media(max-width:390px){.freeplay-key .note-name{font-size:20px}.freeplay-board .question-headline{font-size:15px}.freeplay-tip p{font-size:8px}.freeplay-tip strong{margin:0 1px}}
.pocket-card{display:flex;align-items:center;gap:15px;margin:26px 0 0;padding:20px 23px;border:1px solid #dce9df;border-radius:18px;background:#f4f9f1}.pocket-card>img{flex:none;border-radius:13px}.pocket-copy{display:flex;flex:1;flex-direction:column;gap:6px;min-width:0}.pocket-copy strong{font-size:14px;color:#357c70}.pocket-copy span{font-size:11px;line-height:1.6;color:#668b7b}.pocket-card .button{flex:none;font-size:12px;min-height:44px}.update-banner{position:fixed;bottom:max(20px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);width:min(540px,calc(100% - 32px));z-index:80;padding:17px 19px;background:#fffef9;border:1px solid #dce9df;border-radius:18px;box-shadow:0 10px 40px #154c3c22;display:flex;align-items:center;gap:16px}.update-banner>div{flex:1;display:flex;flex-direction:column;gap:6px}.update-banner strong{font-size:14px;color:#357c70}.update-banner span{font-size:11px;color:#668b7b}.update-banner .button{font-size:12px;padding:12px 16px;min-height:44px;flex:none}body{padding-bottom:env(safe-area-inset-bottom)}@media(max-width:600px){.pocket-card{padding:17px 15px;gap:11px;flex-wrap:wrap}.pocket-copy strong{font-size:13px}.pocket-copy span{font-size:10px}.pocket-card .button{width:100%;margin-top:3px}.update-banner{padding:15px;gap:10px}.update-banner strong{font-size:13px}.update-banner span{font-size:10px}.update-banner .button{font-size:11px;padding:11px 12px}}