:root {
    --music-staff-background: #fff;
    --music-staff-border: #d8d8d8;
    --music-staff-line: #282828;
    --music-staff-note: #171717;
    --music-staff-muted: #666;
    --music-staff-height: 200px;
    --music-staff-cursor: #767676;
    --music-staff-correct: #2e9b52;
    --music-staff-incorrect: #c83d3d;
}

.interactive-music-staff {
    width: 100%;
}

.note-trainer-piano {
    margin-top: 12px;
}

.interactive-music-staff__viewport {
    position: relative;
    width: 100%;
    height: var(--music-staff-height);
    overflow-x: auto;
    overflow-y: hidden;
    border: 1px solid var(--music-staff-border);
    border-radius: 4px;
    background: var(--music-staff-background);
    scroll-behavior: smooth;
    scrollbar-gutter: stable;
}

.interactive-music-staff__canvas {
    display: block;
    width: auto;
    max-width: none;
    height: 100%;
    color: var(--music-staff-note);
    touch-action: manipulation;
}

.interactive-music-staff__line,
.interactive-music-staff__bar-line,
.interactive-music-staff__ledger-line,
.interactive-music-staff__note-stem {
    stroke: var(--music-staff-line);
    stroke-linecap: round;
}

.interactive-music-staff__line,
.interactive-music-staff__bar-line {
    stroke-width: 2;
}

.interactive-music-staff__ledger-line,
.interactive-music-staff__note-stem {
    stroke-width: 2.5;
}

.interactive-music-staff__note-head {
    fill: var(--music-staff-note);
}

.interactive-music-staff__cursor {
    fill: transparent;
    stroke: var(--music-staff-cursor);
    stroke-width: 2;
    pointer-events: none;
}

.interactive-music-staff__note--correct .interactive-music-staff__cursor {
    stroke: var(--music-staff-correct);
    stroke-width: 3;
}

.interactive-music-staff__note--incorrect .interactive-music-staff__cursor {
    stroke: var(--music-staff-incorrect);
    stroke-width: 3;
}

.interactive-music-staff__clef {
    fill: var(--music-staff-note);
    font-family: "Noto Music", "Segoe UI Symbol", "Times New Roman", serif;
    user-select: none;
}

.interactive-music-staff__accidental {
    fill: var(--music-staff-note);
    font-family: Roboto, Arial, sans-serif;
    user-select: none;
}

.interactive-music-staff__accidental--sharp {
    font-weight: 800;
    stroke: var(--music-staff-note);
    stroke-width: 0.35px;
    paint-order: stroke fill;
}

.interactive-music-staff__note {
    cursor: pointer;
}

.interactive-music-staff__note:focus .interactive-music-staff__note-head,
.interactive-music-staff__note:hover .interactive-music-staff__note-head {
    fill: #444;
}