.explore-head{max-width:66ch;margin-bottom:24px}.explore-head h1{font-size:clamp(1.9rem,3.2vw,2.6rem);line-height:1.1;letter-spacing:-.02em;font-weight:650;margin-bottom:8px}.explore-head p{color:var(--muted)}.explore-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(20px,3vw,40px);align-items:start}.choices{display:grid;gap:18px}.choice{margin:0;padding:0;border:0;min-width:0}.choice legend{padding:0;font-weight:650;font-size:1.05rem}.choice-help{color:var(--muted);font-size:.92rem;line-height:1.45;margin:2px 0 8px;max-width:60ch}.segmented{display:flex;flex-wrap:wrap;gap:6px}.segmented label{position:relative}.segmented input{position:absolute;opacity:0;top:0;right:0;bottom:0;left:0;margin:0}.segmented span{display:flex;align-items:center;justify-content:center;min-width:var(--tap);min-height:var(--tap);padding:0 14px;border-radius:var(--radius-s);border:1px solid var(--line);background:var(--surface);font-weight:600;cursor:pointer;touch-action:manipulation}.segmented span small{margin-left:6px;font-weight:500;color:var(--muted)}.segmented label:hover span{border-color:var(--muted)}.segmented input:checked+span{background:var(--felt);border-color:var(--felt);color:var(--on-felt)}.segmented input:checked+span small{color:inherit}.segmented input:focus-visible+span{outline:3px solid var(--felt);outline-offset:2px}.segmented input:disabled+span{opacity:.4;cursor:default}.result{position:sticky;top:84px;display:grid;gap:12px;padding:20px;border-radius:var(--radius-l);background:var(--surface);border:1px solid var(--line)}.chord-name{font-size:clamp(2rem,3.6vw,3rem);line-height:1.05;font-weight:700;font-stretch:88%;letter-spacing:-.02em;text-wrap:balance}.chord-build{color:var(--muted)}@media (max-width: 860px){.explore-grid{grid-template-columns:minmax(0,1fr)}.result{position:static;order:-1}}.keybed-inline{margin-top:4px}