/* EM FEEDBACK 4.3.0.15.2 - Instrumentos virtuales compactos y sincronizados. */
.em-virtual-instrument,
.em-virtual-instrument *,
.em-virtual-instrument *::before,
.em-virtual-instrument *::after {
    box-sizing: border-box;
}

.em-virtual-instrument {
    --em-vi-border: #cbd5e1;
    --em-vi-muted: #64748b;
    --em-vi-target: #facc15;
    --em-vi-playback: #0ea5e9;
    --em-vi-mic: #7c3aed;
    --em-vi-midi: #2563eb;
    --em-vi-correct: #22c55e;
    --em-vi-error: #ef4444;
    position: absolute;
    z-index: 780;
    right: 14px;
    bottom: calc(var(--em-app-bottom-height, 96px) + 10px);
    left: 14px;
    max-height: min(38vh, 220px);
    overflow: hidden;
    border: 1px solid var(--em-vi-border);
    border-radius: 15px;
    background: linear-gradient(180deg, #fff, #f8fafc);
    box-shadow: 0 14px 34px rgba(15, 23, 42, 0.2);
    color: #0f172a;
}

.em-virtual-instrument[hidden] {
    display: none !important;
}

/* 4.3.0.15.2 presenta exclusivamente el instrumento; se conservan estas
 * defensas para cualquier DOM creado por una caché anterior. */
.em-virtual-instrument-header {
    display: none !important;
    min-height: 46px;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 7px 10px 7px 13px;
    border-bottom: 1px solid #e2e8f0;
    background: rgba(255, 255, 255, 0.96);
}

.em-virtual-instrument-header > div {
    min-width: 0;
}

.em-virtual-instrument-title,
.em-virtual-instrument-subtitle {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.em-virtual-instrument-title {
    font-size: 14px;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.em-virtual-instrument-subtitle {
    display: block;
    margin-top: 2px;
    color: var(--em-vi-muted);
    font-size: 10px;
    font-weight: 600;
}

.em-virtual-instrument-close {
    width: 32px;
    height: 32px;
    flex: 0 0 auto;
    border: 1px solid #dbe4f0;
    border-radius: 50%;
    background: #fff;
    color: #475569;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
}

.em-virtual-instrument-close:hover {
    border-color: #93c5fd;
    color: #1d4ed8;
    background: #eff6ff;
}

.em-virtual-instrument-close:focus-visible,
.em-virtual-instrument-scroll:focus-visible {
    outline: 3px solid rgba(96, 165, 250, 0.48);
    outline-offset: 2px;
}

.em-virtual-instrument-scroll {
    position: relative;
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
    scrollbar-color: #94a3b8 transparent;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
}

.em-virtual-instrument-scroll::-webkit-scrollbar {
    height: 6px;
}

.em-virtual-instrument-scroll::-webkit-scrollbar-thumb {
    border-radius: 999px;
    background: #94a3b8;
}

/* Teclado --------------------------------------------------------------- */
.em-virtual-keyboard {
    --em-vk-white-height: 118px;
    --em-vk-black-height: 72px;
    --em-vk-min-white-width: 24px;
}

.em-vk-heading {
    display: flex;
    min-width: 0;
    align-items: center;
    flex-wrap: wrap;
    gap: 5px 9px;
}

.em-vk-source,
.em-gf-source {
    padding: 4px 8px;
    border-radius: 999px;
    color: #475569;
    background: #f1f5f9;
    box-shadow: inset 0 0 0 1px #e2e8f0;
    font-size: 10px;
    font-weight: 750;
    line-height: 1;
    white-space: nowrap;
}

.em-vk-source.is-midi {
    color: #166534;
    background: #dcfce7;
    box-shadow: inset 0 0 0 1px #bbf7d0;
}

.em-vk-source.is-microphone {
    color: #5b21b6;
    background: #ede9fe;
    box-shadow: inset 0 0 0 1px #ddd6fe;
}

.em-vk-message,
.em-gf-message {
    display: none !important;
    min-height: 20px;
    padding: 6px 12px 2px;
    color: var(--em-vi-muted);
    font-size: 11px;
    font-weight: 650;
    text-align: center;
}

.em-vk-scroller {
    padding: 6px 8px;
}

.em-vk-surface {
    --em-vk-white-count: 36;
    position: relative;
    width: max(100%, calc(var(--em-vk-white-count) * var(--em-vk-min-white-width)));
    height: var(--em-vk-white-height);
    min-width: calc(var(--em-vk-white-count) * var(--em-vk-min-white-width));
    overflow: hidden;
    border: 1px solid #94a3b8;
    border-radius: 8px;
    background: #d9e1eb;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.13);
    user-select: none;
    -webkit-user-select: none;
}

.em-vk-white-keys,
.em-vk-black-keys {
    position: absolute;
    inset: 0;
}

.em-vk-white-keys {
    display: flex;
}

.em-piano-key {
    transition: background 90ms linear, box-shadow 90ms linear, transform 80ms ease;
}

.em-piano-key-white {
    position: relative;
    flex: 1 1 0;
    height: 100%;
    border-right: 1px solid #cbd5e1;
    background: linear-gradient(180deg, #fff 0%, #fff 72%, #edf2f7 100%);
    box-shadow: inset 0 -6px 8px rgba(15, 23, 42, 0.055);
}

.em-piano-key-white:last-child {
    border-right: 0;
}

.em-piano-key-black {
    position: absolute;
    top: 0;
    left: var(--em-vk-black-left, 0%);
    z-index: 3;
    width: calc((100% / var(--em-vk-white-count)) * 0.66);
    height: var(--em-vk-black-height);
    border: 1px solid #050b16;
    border-top: 0;
    border-radius: 0 0 5px 5px;
    background: linear-gradient(90deg, #080f1e 0%, #172033 45%, #050a14 100%);
    box-shadow: 0 5px 7px rgba(15, 23, 42, 0.38), inset 0 -5px 4px rgba(255, 255, 255, 0.04);
    transform: translateX(-50%);
}

.em-vk-note-label {
    position: absolute;
    right: 0;
    bottom: 5px;
    left: 0;
    color: #64748b;
    font-size: 9px;
    font-weight: 750;
    text-align: center;
    pointer-events: none;
}

.em-piano-key-white.is-target {
    background: linear-gradient(180deg, #fef9c3, var(--em-vi-target));
    box-shadow: inset 0 0 0 2px rgba(202, 138, 4, 0.42), 0 0 13px rgba(250, 204, 21, 0.38);
}

.em-piano-key-black.is-target {
    background: linear-gradient(180deg, #fde047, #ca8a04);
    box-shadow: 0 5px 7px rgba(15, 23, 42, 0.28), 0 0 13px rgba(250, 204, 21, 0.52);
}

.em-piano-key.is-playback-active {
    outline: 3px solid rgba(14, 165, 233, 0.92);
    outline-offset: -6px;
}

.em-piano-key-white.is-playback-active {
    background: linear-gradient(180deg, #e0f2fe 0%, #67e8f9 100%);
    box-shadow: inset 0 0 0 3px rgba(14, 165, 233, 0.5), 0 0 18px rgba(14, 165, 233, 0.34);
}

.em-piano-key-black.is-playback-active {
    background: linear-gradient(180deg, #164e63 0%, #22d3ee 100%);
}

.em-piano-key-white.is-playback-treble {
    background: linear-gradient(180deg, #e0f2fe 0%, #38bdf8 58%, #7dd3fc 100%);
    outline-color: rgba(2, 132, 199, 0.92);
}

.em-piano-key-white.is-playback-bass {
    background: linear-gradient(180deg, #fef9c3 0%, #facc15 58%, #f59e0b 100%);
    outline-color: rgba(202, 138, 4, 0.9);
}

.em-piano-key-black.is-playback-treble {
    background: linear-gradient(180deg, #075985 0%, #0ea5e9 58%, #38bdf8 100%);
    outline-color: rgba(125, 211, 252, 0.95);
}

.em-piano-key-black.is-playback-bass {
    background: linear-gradient(180deg, #78350f 0%, #d97706 58%, #facc15 100%);
    outline-color: rgba(253, 224, 71, 0.95);
}

.em-piano-key-white.is-playback-mixed {
    background: linear-gradient(90deg, #38bdf8 0%, #7dd3fc 48%, #fde047 52%, #f59e0b 100%);
    outline-color: rgba(71, 85, 105, 0.92);
}

.em-piano-key-black.is-playback-mixed {
    background: linear-gradient(90deg, #0369a1 0%, #38bdf8 48%, #facc15 52%, #b45309 100%);
    outline-color: rgba(241, 245, 249, 0.95);
}

.em-piano-key.is-playback-other {
    outline-color: rgba(14, 165, 233, 0.92);
}

.em-piano-key.is-mic-detected {
    outline: 3px solid rgba(124, 58, 237, 0.78);
    outline-offset: -4px;
}

.em-piano-key.is-midi-pressed {
    outline: 3px solid rgba(37, 99, 235, 0.86);
    outline-offset: -4px;
}

.em-piano-key.is-correct,
.em-piano-key.is-target.is-correct {
    background: linear-gradient(180deg, #86efac, var(--em-vi-correct)) !important;
    box-shadow: inset 0 0 0 2px rgba(21, 128, 61, 0.42), 0 0 15px rgba(34, 197, 94, 0.42) !important;
}

.em-piano-key.is-error,
.em-piano-key.is-target.is-error {
    background: linear-gradient(180deg, #fca5a5, var(--em-vi-error)) !important;
    box-shadow: inset 0 0 0 2px rgba(185, 28, 28, 0.4), 0 0 14px rgba(239, 68, 68, 0.38) !important;
}

.em-vk-legend,
.em-gf-legend {
    display: none !important;
    min-height: 25px;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 5px 13px;
    padding: 2px 10px 7px;
    color: var(--em-vi-muted);
    font-size: 9px;
    font-weight: 650;
}

.em-vk-legend span,
.em-gf-legend span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.em-vk-dot,
.em-gf-dot {
    display: inline-block;
    width: 9px;
    height: 9px;
    border: 1px solid rgba(15, 23, 42, 0.24);
    border-radius: 999px;
    background: #cbd5e1;
}

.em-vk-dot.is-target,
.em-gf-dot.is-target { background: var(--em-vi-target); }
.em-vk-dot.is-playback,
.em-gf-dot.is-playback-active { background: var(--em-vi-playback); }
.em-vk-dot.is-mic,
.em-gf-dot.is-mic-detected { background: var(--em-vi-mic); }
.em-vk-dot.is-midi,
.em-gf-dot.is-midi-pressed { background: var(--em-vi-midi); }
.em-vk-dot.is-correct,
.em-gf-dot.is-correct { background: var(--em-vi-correct); }
.em-vk-dot.is-error,
.em-gf-dot.is-error { border-radius: 2px; background: var(--em-vi-error); }

/* Guitarra, ukelele y bajo ---------------------------------------------- */
.em-gf-heading {
    display: flex;
    min-width: 0;
    align-items: center;
    flex-wrap: wrap;
    gap: 5px 9px;
}

.em-gf-scroller {
    margin: 5px 7px;
    width: calc(100% - 14px);
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    background: linear-gradient(180deg, #fff7ed 0%, #ffedd5 100%);
}

.em-gf-surface {
    display: grid;
    position: relative;
    min-width: 66rem;
    padding: 0.35rem 0.55rem 0.5rem;
    grid-template-columns: minmax(4.8rem, 6.5rem) minmax(3rem, 4rem) 0.7rem var(--em-gf-fret-columns, repeat(24, minmax(2.25rem, 3rem)));
    grid-template-rows: 1.2rem repeat(var(--em-gf-row-count, 6), minmax(1.3rem, 1.8rem));
}

.em-gf-corner,
.em-gf-fret-number,
.em-gf-open-number,
.em-gf-nut-header {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #7c2d12;
    font-size: 0.72rem;
    font-weight: 800;
}

.em-gf-string-label {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-inline-end: 0.45rem;
    color: #431407;
    font-size: 0.78rem;
    font-weight: 800;
    white-space: nowrap;
}

.em-gf-position,
.em-gf-nut {
    position: relative;
    min-height: 1.3rem;
}

.em-gf-position {
    border-right: 1px solid rgba(120, 53, 15, 0.18);
    border-left: 1px solid rgba(120, 53, 15, 0.28);
}

.em-gf-position.is-open-string {
    border-left: 0;
    background: rgba(255, 255, 255, 0.32);
}

.em-gf-nut {
    margin-inline: 0.08rem;
    border-right: 2px solid #334155;
    border-left: 2px solid #334155;
    border-radius: 5px;
    background: linear-gradient(90deg, #f8fafc, #e2e8f0, #f8fafc);
}

.em-gf-string-line {
    position: absolute;
    top: 50%;
    right: 0;
    left: 0;
    height: calc(0.85px + var(--em-gf-string-weight, 3) * 0.45px);
    transform: translateY(-50%);
    background: linear-gradient(90deg, #64748b, #0f172a, #64748b);
    opacity: 0.9;
    pointer-events: none;
}

.em-gf-note-marker {
    display: flex;
    position: absolute;
    top: 50%;
    left: var(--em-gf-fretless-marker-x, 50%);
    width: 1.08rem;
    height: 1.08rem;
    align-items: center;
    justify-content: center;
    border: 2px solid transparent;
    border-radius: 999px;
    transform: translate(-50%, -50%) scale(0.4);
    color: transparent;
    background: transparent;
    font-size: 0.58rem;
    line-height: 1;
    transition: transform 120ms ease, background-color 120ms ease, border-color 120ms ease;
}

.em-gf-position.is-target .em-gf-note-marker {
    border-color: #713f12;
    transform: translate(-50%, -50%) scale(1);
    color: #713f12;
    background: var(--em-vi-target);
}

.em-gf-position.is-playback-active .em-gf-note-marker {
    border-color: #bae6fd;
    transform: translate(-50%, -50%) scale(1);
    color: #082f49;
    background: var(--em-vi-playback);
}

.em-gf-position.is-midi-pressed .em-gf-note-marker {
    border-color: #bfdbfe;
    transform: translate(-50%, -50%) scale(1.05);
    color: #fff;
    background: var(--em-vi-midi);
}

.em-gf-position.is-mic-detected .em-gf-note-marker {
    border-color: #ddd6fe;
    transform: translate(-50%, -50%) scale(1.05);
    color: #fff;
    background: var(--em-vi-mic);
}

.em-gf-position.is-correct .em-gf-note-marker {
    border-color: #bbf7d0;
    transform: translate(-50%, -50%) scale(1.12);
    color: #052e16;
    background: var(--em-vi-correct);
}

.em-gf-position.is-error .em-gf-note-marker {
    border-color: #fecaca;
    border-radius: 4px;
    transform: translate(-50%, -50%) scale(1.08);
    color: #fff;
    background: var(--em-vi-error);
}

.em-gf-position.has-exact-position .em-gf-note-marker {
    box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.22);
}

.em-gf-position-marker {
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(67, 20, 7, 0.28);
    font-size: 1.05rem;
    font-weight: 900;
    pointer-events: none;
}

.em-gf-position-marker.is-double {
    font-size: 0.92rem;
    letter-spacing: 0.2rem;
}

/* Violín --------------------------------------------------------------- */
.em-guitar-fretboard.is-violin-fingerboard .em-gf-scroller {
    border-color: #d6b98c;
    background: linear-gradient(180deg, #7c3f1d 0%, #4b2412 100%);
}

.em-guitar-fretboard.is-violin-fingerboard .em-gf-surface {
    min-width: 58rem;
}

.em-guitar-fretboard.is-violin-fingerboard .em-gf-fret-number,
.em-guitar-fretboard.is-violin-fingerboard .em-gf-open-number,
.em-guitar-fretboard.is-violin-fingerboard .em-gf-nut-header,
.em-guitar-fretboard.is-violin-fingerboard .em-gf-string-label {
    color: #ffedd5;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.28);
}

.em-guitar-fretboard.is-violin-fingerboard .em-gf-position {
    border-right-color: rgba(255, 237, 213, 0.04);
    border-left-color: rgba(255, 237, 213, 0.08);
}

.em-guitar-fretboard.is-violin-fingerboard .em-gf-string-line {
    height: calc(0.7px + var(--em-gf-string-weight, 3) * 0.22px);
    background: linear-gradient(90deg, #e5e7eb, #f8fafc, #cbd5e1);
    opacity: 0.96;
}

.em-guitar-fretboard.is-violin-fingerboard .em-gf-nut {
    border-color: #fef3c7;
    background: linear-gradient(90deg, #f8fafc, #fef3c7, #f8fafc);
}

.em-guitar-fretboard.is-violin-fingerboard .em-gf-fretless-guide {
    color: rgba(255, 237, 213, 0.72);
    font-size: 0.64rem;
}

.em-guitar-fretboard.is-violin-hand-positions .em-gf-position:nth-child(2n),
.em-guitar-fretboard.is-violin-clean-fingerboard .em-gf-position {
    border-right-color: transparent;
    border-left-color: transparent;
}

.em-guitar-fretboard.is-violin-semitone-map .em-gf-position {
    border-left-style: dashed;
    border-left-color: rgba(255, 237, 213, 0.24);
}

.em-guitar-fretboard.is-violin-clean-fingerboard .em-gf-fretless-guide {
    color: transparent;
}

.em-guitar-fretboard.is-violin-fingerboard .em-gf-position.has-intonation-feedback .em-gf-note-marker {
    left: var(--em-gf-intonation-marker-x, var(--em-gf-fretless-marker-x, 100%));
}

.em-guitar-fretboard.is-violin-fingerboard .em-gf-position.has-intonation-feedback::after {
    display: grid;
    position: absolute;
    z-index: 2;
    top: 50%;
    left: var(--em-gf-fretless-marker-x, 100%);
    width: 1.35rem;
    height: 1.35rem;
    place-items: center;
    border-radius: 999px;
    transform: translate(-50%, -50%);
    font-size: 0.95rem;
    font-weight: 900;
    line-height: 1;
    opacity: calc(0.55 + (var(--em-gf-intonation-strength, 0) * 0.45));
    pointer-events: none;
}

.em-guitar-fretboard.is-violin-fingerboard .em-gf-position.is-intonation-flat::after {
    border: 1px solid #92400e;
    color: #0f172a;
    background: #fde68a;
    content: "→";
}

.em-guitar-fretboard.is-violin-fingerboard .em-gf-position.is-intonation-sharp::after {
    border: 1px solid #991b1b;
    color: #0f172a;
    background: #fecaca;
    content: "←";
}

.em-guitar-fretboard.is-violin-fingerboard .em-gf-position.is-intonation-close::after {
    border: 1px solid #1d4ed8;
    color: #0f172a;
    background: #dbeafe;
    content: "↔";
}

.em-guitar-fretboard.is-violin-fingerboard .em-gf-position.is-intonation-in-tune::after {
    border: 1px solid #15803d;
    color: #052e16;
    background: #bbf7d0;
    content: "✓";
}

/* La detección decide qué grupo de ajustes se presenta. */
.phonicscore-opensheetmusicdisplay__placeholder[data-em-resolved-instrument] .em-app-piano-settings,
.phonicscore-opensheetmusicdisplay__placeholder[data-em-resolved-instrument] .em-app-guitar-settings,
.phonicscore-opensheetmusicdisplay__placeholder[data-em-resolved-instrument] .em-app-bass-settings,
.phonicscore-opensheetmusicdisplay__placeholder[data-em-resolved-instrument] .em-app-violin-settings {
    display: none;
}

.phonicscore-opensheetmusicdisplay__placeholder[data-em-resolved-instrument="piano"] .em-app-piano-settings,
.phonicscore-opensheetmusicdisplay__placeholder[data-em-resolved-instrument="unknown"] .em-app-piano-settings,
.phonicscore-opensheetmusicdisplay__placeholder[data-em-resolved-instrument="guitar"] .em-app-guitar-settings,
.phonicscore-opensheetmusicdisplay__placeholder[data-em-resolved-instrument="ukulele"] .em-app-guitar-settings,
.phonicscore-opensheetmusicdisplay__placeholder[data-em-resolved-instrument="bass"] .em-app-bass-settings,
.phonicscore-opensheetmusicdisplay__placeholder[data-em-resolved-instrument="bass-5"] .em-app-bass-settings,
.phonicscore-opensheetmusicdisplay__placeholder[data-em-resolved-instrument="bass-6"] .em-app-bass-settings,
.phonicscore-opensheetmusicdisplay__placeholder[data-em-resolved-instrument="violin"] .em-app-violin-settings {
    display: block;
}

/* Defensa adicional: Autocalificación nunca presenta un instrumento virtual. */
.phonicscore-opensheetmusicdisplay__placeholder[data-em-active-mode="autograde"] .em-virtual-instrument {
    display: none !important;
}

@media (max-width: 900px), (pointer: coarse) {
    .em-virtual-keyboard {
        --em-vk-white-height: 98px;
        --em-vk-black-height: 60px;
        --em-vk-min-white-width: 25px;
    }

    .em-gf-surface {
        min-width: 58rem;
        grid-template-columns: minmax(4.2rem, 5rem) minmax(2.6rem, 3.2rem) 0.65rem var(--em-gf-fret-columns, repeat(24, minmax(2rem, 2.35rem)));
        grid-template-rows: 1rem repeat(var(--em-gf-row-count, 6), minmax(1.05rem, 1.35rem));
    }
}

@media (max-width: 600px) {
    .em-virtual-instrument {
        right: 7px;
        left: 7px;
        max-height: min(34vh, 180px);
        border-radius: 12px;
    }

    .em-virtual-instrument-header {
        min-height: 40px;
        padding-block: 5px;
    }

    .em-virtual-instrument-title {
        font-size: 13px;
    }

    .em-virtual-instrument-subtitle {
        display: none;
    }

    .em-virtual-keyboard {
        --em-vk-white-height: 82px;
        --em-vk-black-height: 50px;
        --em-vk-min-white-width: 26px;
    }

    .em-vk-message,
    .em-gf-message {
        padding-inline: 8px;
        font-size: 10px;
    }

    .em-vk-legend,
    .em-gf-legend {
        gap: 4px 8px;
        font-size: 8px;
    }

    .em-gf-scroller {
        margin: 4px 5px;
        width: calc(100% - 10px);
        border-radius: 9px;
    }

    .em-gf-surface {
        min-width: 54rem;
        padding: 0.2rem 0.36rem 0.3rem;
        grid-template-rows: 0.85rem repeat(var(--em-gf-row-count, 6), minmax(0.82rem, 1.02rem));
    }

    .em-gf-position,
    .em-gf-nut {
        min-height: 0.82rem;
    }

    .em-gf-string-label {
        font-size: 0.58rem;
    }

    .em-gf-fret-number,
    .em-gf-open-number,
    .em-gf-nut-header {
        font-size: 0.56rem;
    }

    .em-gf-note-marker {
        width: 0.72rem;
        height: 0.72rem;
        font-size: 0.48rem;
    }
}

@media (max-height: 560px) and (orientation: landscape) {
    .em-virtual-instrument {
        right: 8px;
        bottom: calc(var(--em-app-bottom-height, 76px) + 6px);
        left: 8px;
        max-height: min(38vh, 138px);
        border-radius: 11px;
    }

    .em-virtual-instrument-header {
        min-height: 36px;
        padding-block: 3px;
    }

    .em-vk-message,
    .em-gf-message,
    .em-vk-legend,
    .em-gf-legend {
        display: none;
    }

    .em-virtual-keyboard {
        --em-vk-white-height: 72px;
        --em-vk-black-height: 44px;
    }

    .em-vk-scroller {
        padding-block: 5px;
    }

    .em-gf-surface {
        padding-block: 0.16rem 0.24rem;
        grid-template-rows: 0.76rem repeat(var(--em-gf-row-count, 6), minmax(0.76rem, 0.94rem));
    }

    .em-gf-position,
    .em-gf-nut {
        min-height: 0.76rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .em-piano-key,
    .em-gf-note-marker {
        transition: none !important;
    }
}