/* Chord library */
.cd { width: 100%; height: auto; color: var(--ink); display: block; }
.cd .st { stroke: var(--ink); stroke-width: 1.2; opacity: .75; }
.cd .fr { stroke: var(--ink); stroke-width: 1; opacity: .35; }
.cd .cdot { fill: var(--brand); }
.cd .op { fill: none; stroke: var(--ink); stroke-width: 1.6; }
.cd .mx { stroke: var(--muted); stroke-width: 1.8; stroke-linecap: round; fill: none; }
.cd .fg { fill: var(--on-brand); font: 600 11px var(--sans); text-anchor: middle; }
.cd .fn { fill: var(--muted); font: 500 12px var(--mono); text-anchor: end; }
.lefty .cd { transform: scaleX(-1); }
.lefty .cd text { transform: scaleX(-1); transform-box: fill-box; transform-origin: center; }
.layout.plain { grid-template-areas: "notes"; }
.layout.chord-layout { grid-template-areas: "hero" "notes"; }
.chord-hero { grid-area: hero; display: grid; gap: 18px; grid-template-columns: minmax(0, 1fr); }
.chord-main { background: var(--face); border: 1px solid var(--face-line); border-radius: 12px; padding: 22px 18px 16px; display: grid; justify-items: center; gap: 12px; box-shadow: inset 0 -20px 40px rgba(150,120,50,.035), 0 1px 2px rgba(60,45,10,.05); }
.chord-main .cd { max-width: 220px; color: var(--face-ink); }
.chord-main .cd .st, .chord-main .cd .fr, .chord-main .cd .op { stroke: var(--face-ink); }
.chord-main .cd .mx { stroke: var(--face-muted); }
.chord-main .cd .fn { fill: var(--face-muted); }
.chord-name { font-size: clamp(40px, 10vw, 56px); font-weight: 700; letter-spacing: -.03em; line-height: 1; color: var(--face-ink); }
.chord-name sub { font-size: .5em; font-weight: 600; vertical-align: baseline; margin-left: .06em; }
.chord-sub { font-size: 14px; color: var(--face-muted); font-family: var(--mono); text-align: center; }
.chord-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.alts { display: grid; grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); gap: 8px; }
.alt { display: grid; gap: 4px; justify-items: center; border: 1px solid var(--line); border-radius: 8px; padding: 10px 6px 8px; background: var(--surface); cursor: pointer; transition: border-color .15s var(--ease-out), background-color .15s var(--ease-out); }
.alt:hover { border-color: var(--brand); }
.alt[aria-pressed="true"] { border-color: var(--brand); box-shadow: inset 0 0 0 1px var(--brand); }
.alt .cap { font-size: 12px; color: var(--muted); font-family: var(--mono); }
.alt .cd { max-width: 96px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips a { border: 1px solid var(--line); border-radius: 6px; padding: 6px 10px; font-size: 14px; font-weight: 500; color: var(--ink); text-decoration: none; background: var(--surface); }
.chips a:hover { border-color: var(--brand); color: var(--brand); }
.chips a.cur { background: var(--brand); border-color: var(--brand); color: var(--on-brand); }
.grid-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.card-link { display: grid; gap: 6px; justify-items: center; border: 1px solid var(--line); border-radius: 8px; padding: 12px 8px 10px; background: var(--surface); text-decoration: none; color: var(--ink); transition: border-color .15s var(--ease-out); }
.card-link:hover { border-color: var(--brand); }
.card-link b { font-size: 17px; }
.card-link span { font-size: 12px; color: var(--muted); }
.card-link .cd { max-width: 110px; }
.root-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; }
.root-grid a { display: grid; place-items: center; aspect-ratio: 1.3; border: 1px solid var(--line); border-radius: 8px; font-size: 22px; font-weight: 600; color: var(--ink); text-decoration: none; background: var(--surface); transition: border-color .15s var(--ease-out), background-color .15s var(--ease-out); }
.root-grid a:hover { border-color: var(--brand); color: var(--brand); }
.notes-row { display: flex; gap: 8px; flex-wrap: wrap; }
.notes-row div { border: 1px solid var(--line); border-radius: 8px; padding: 8px 14px; display: grid; justify-items: center; background: var(--surface); min-width: 60px; }
.notes-row b { font-size: 20px; }
.notes-row span { font-size: 12px; color: var(--muted); font-family: var(--mono); }
.content .notes-row b { font-weight: 600; }
.steps.how li { line-height: 1.6; }
@media (min-width: 900px) {
  .chord-hero { grid-template-columns: 300px minmax(0, 1fr); align-items: start; }
  .alts { grid-template-columns: repeat(auto-fill, minmax(112px, 1fr)); }
  .root-grid { grid-template-columns: repeat(12, 1fr); }
}