/* Classfern Music keyword pages, group I (guitar): additions to groups J and W's fb.css. */
.gt-board{max-width:380px}
.gt-board circle.on{stroke:var(--ink);stroke-width:4;fill:var(--accent)}
.gt-board circle.on+text{fill:#111}
.gt-shapes{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;margin:10px 0;padding:0;list-style:none}
.gt-shapes li{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:8px 10px}
.gt-shapes h3{margin:2px 0 4px;font-size:1rem}
.gt-shapes p{margin:4px 0;font-size:.88rem}
.fb-slot.gt-bass b{font-size:1.15rem;font-weight:800;line-height:1.3}
.gt-legend{font-size:.85rem;color:var(--muted);margin:2px 0 8px}
/* Song chord charts: one box per bar */
.gt-song{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:10px 14px;margin:12px 0;max-width:72ch}
.gt-song h3{margin:2px 0 4px;font-size:1.08rem}
.gt-song p{margin:4px 0}
.gt-meta{font-size:.86rem;color:var(--muted)}
.gt-bars{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px;margin:8px 0;padding:0;list-style:none;font-weight:700;font-variant-numeric:tabular-nums}
.gt-bars li{border-left:3px solid var(--line-2);padding:4px 8px;background:var(--bg,transparent)}
.gt-bars li:nth-child(4n+1){border-left-color:var(--ink)}
.gt-song .btn{min-height:44px}
.gt-along{margin-top:8px}
html.bz-kids .gt-bars{font-size:1.2rem}
html.bz-kids .gt-song .btn{font-size:1.15rem;min-height:56px}
@media (max-width:600px){.gt-bars{grid-template-columns:repeat(4,minmax(0,1fr));font-size:.92rem}.gt-bars li{padding:3px 4px}}
@media print{.gt-song .btn{display:none}}