.ledger-app [hidden]{display:none!important}.ledger-controls{display:flex;align-items:center;flex-wrap:wrap;gap:16px;margin:24px 0}.ledger-controls label{display:flex;align-items:center;gap:10px;min-width:0;font-size:1rem}.ledger-controls select{min-width:0;max-width:100%;min-height:44px;font-size:1rem}.ledger-controls .score{margin-left:auto}
.ledger-staff{max-width:680px;margin:24px auto;color:var(--ink)}.ledger-staff svg{display:block;width:100%;height:auto}.ledger-staff.ledger-playing{color:#3647b6}.ledger-reference{margin:24px 0;padding:16px 20px;border:1px solid var(--line);border-radius:14px;background:#edf5d3;line-height:1.7;text-align:left}.ledger-reference p{margin:0}.ledger-reference p+p{margin-top:8px}
.ledger-library{margin:24px 0;text-align:left}.ledger-library h3{font-size:1.05rem;margin-bottom:14px}.ledger-library p{font-size:.95rem;line-height:1.65;color:var(--muted)}.ledger-notes{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.ledger-notes button{min-height:48px;padding:10px 6px;border:1px solid #879797;border-radius:9px;background:#fff;color:var(--ink);font:inherit;font-weight:650}.ledger-notes [aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}.ledger-app .ledger-answers{grid-template-columns:repeat(7,minmax(0,1fr))}.ledger-app [data-feedback]{line-height:1.7}.ledger-app [data-status]{min-height:1.6em;margin-top:18px}
@media(max-width:680px){.ledger-app .ledger-answers{grid-template-columns:repeat(4,minmax(0,1fr))}.ledger-controls label{width:100%;flex-wrap:wrap}.ledger-controls select{flex:1 1 180px}.ledger-controls .score{margin-left:0}.ledger-app .quiz-question{font-size:1.45rem}.ledger-app .practice-actions>.button{flex:1 1 180px}.ledger-reference{padding:14px}.ledger-app .volume{flex-wrap:wrap}}