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40%, transparent 100%);pointer-events:none;opacity:0;padding:1.5px;transition:opacity .3s;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#fff 0 0),linear-gradient(#fff 0 0);mask-image:linear-gradient(#fff 0 0),linear-gradient(#fff 0 0);-webkit-mask-position:0 0,0 0;mask-position:0 0,0 0;-webkit-mask-size:auto,auto;mask-size:auto,auto;-webkit-mask-repeat:repeat,repeat;mask-repeat:repeat,repeat;-webkit-mask-clip:content-box,border-box;mask-clip:content-box,border-box;-webkit-mask-origin:content-box,border-box;mask-origin:content-box,border-box;-webkit-mask-composite:xor;mask-composite:exclude;-webkit-mask-source-type:auto,auto;mask-mode:match-source,match-source}:is(.library-page,.scales-page) .piece-card[data-ember-active]{border-color:#d8bca3;box-shadow:0 3px 18px #b77a3f0d}:is(.library-page,.scales-page) .piece-card:has(:focus-visible){border-color:#d8bca3;box-shadow:0 3px 18px #b77a3f0d}:is(.library-page,.scales-page) .piece-card[data-ember-active]:after{opacity:1}:is(.library-page,.scales-page) .piece-card:has(:focus-visible):after{opacity:1}.library-edge-embers{pointer-events:none;z-index:4;position:fixed;inset:0}.library-edge-ember{border-radius:50%;width:2.6px;height:4px;animation:.68s linear both library-ember-rise;position:absolute}@keyframes library-ember-rise{0%{opacity:.65;transform:translate(-50%,-50%)rotate(17deg)}to{opacity:0;transform:translate(calc(-50% + var(--ember-drift)), calc(-50% - 22px)) rotate(17deg) scale(.4)}}@media (prefers-reduced-motion:reduce){:is(.library-page,.scales-page) .piece-card,:is(.library-page,.scales-page) .piece-card:after{transition:none}:is(.library-page,.scales-page) .piece-card:after{background:0 0}.library-edge-embers{display:none}}.scales-page .piece-card[data-learned]{border-color:#e6d2bf}.scale-learned-badge{color:#a4552f;animation:learned-badge-ignite .7s var(--ease-out) both;animation-delay:calc(.42s + var(--family-index) * 90ms + var(--lesson-index) * 35ms);border-color:#e6c9ad}@keyframes learned-badge-ignite{0%{opacity:0;transform:scale(.6);box-shadow:0 0 #d28a4900}45%{opacity:1;transform:scale(1.08);box-shadow:0 0 14px 2px #d28a4955}to{transform:scale(1);box-shadow:0 0 #d28a4900}}