.bass-app [hidden]{display:none!important}.bass-app .quiz-question{margin-top:26px}.bass-round{margin-top:24px;gap:16px}.bass-round label{display:flex;align-items:center;gap:10px;min-width:0}.bass-round select{min-width:0;max-width:100%;font-size:1rem}
.bass-staff{max-width:680px;margin:22px auto;color:var(--ink)}.bass-staff svg{display:block;width:100%;height:auto}.bass-staff.bass-playing{color:#3647b6}
.bass-reference{margin:24px 0;padding:16px 20px;border:1px solid var(--line);border-radius:14px;background:#edf5d3;line-height:1.65;text-align:left}.bass-reference p{margin:0}.bass-reference p+p{margin-top:8px}
.bass-library{margin:24px 0;text-align:left}.bass-library h3{font-size:1.05rem;margin-bottom:14px}.bass-library p{font-size:.95rem;line-height:1.6;color:var(--muted)}.bass-notes{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));gap:8px}.bass-notes button{min-height:48px;padding:10px 4px;border:1px solid #879797;border-radius:9px;background:#fff;color:var(--ink);font:inherit;font-weight:650}.bass-notes [aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}
.bass-app .bass-answers{grid-template-columns:repeat(7,minmax(0,1fr))}.bass-app [data-feedback]{line-height:1.65}.bass-app [data-status]{min-height:1.6em;margin-top:18px}
@media(max-width:680px){.bass-notes{grid-template-columns:repeat(3,minmax(0,1fr))}.bass-app .bass-answers{grid-template-columns:repeat(4,minmax(0,1fr))}.bass-round label{width:100%;flex-wrap:wrap}.bass-round select{flex:1 1 190px}.bass-app .quiz-question{font-size:1.45rem}.bass-app .practice-actions>.button{flex:1 1 180px}.bass-reference{padding:14px}.bass-app .volume{flex-wrap:wrap}}