/* One phone-width column; the wheel is the hero. Pilot-light amber accent on grille-light / tolex-dark grounds. */
:root {
  --bg: #eceee9; --panel: #f7f8f5; --ink: #1b211e; --muted: #5d6762; --line: #cfd4cd;
  --accent: #b9770e; --accent-soft: #f4e3c2; --accent-ink: #1b1408; --cool: #2d6a8f; --cool-soft: #d9e7f0;
  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --body: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --bg: #121513; --panel: #1b1f1c; --ink: #e9ece7; --muted: #9aa49e; --line: #2f3632;
  --accent: #f0a93a; --accent-soft: #3a2d15; --accent-ink: #1b1408; --cool: #6fb3dc; --cool-soft: #1d2c36; color-scheme: dark } }
:root[data-theme="dark"] {
  --bg: #121513; --panel: #1b1f1c; --ink: #e9ece7; --muted: #9aa49e; --line: #2f3632;
  --accent: #f0a93a; --accent-soft: #3a2d15; --accent-ink: #1b1408; --cool: #6fb3dc; --cool-soft: #1d2c36; color-scheme: dark }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { background: var(--bg); color: var(--ink); font-family: var(--body); font-size: 16px; line-height: 1.5; margin: 0; }
.wrap { max-width: 680px; margin: 0 auto; padding-inline: 16px; padding-block: 14px 64px; display: grid; gap: 16px; }
h1 { font-family: var(--display); font-weight: 800; font-size: 2.2rem; line-height: 1; margin: 0; text-transform: uppercase; letter-spacing: .02em; }
h2 { font-family: var(--display); font-weight: 800; font-size: 1.4rem; line-height: 1.1; margin: 0; text-transform: uppercase; letter-spacing: .03em; }
h3 { font-family: var(--display); font-weight: 600; font-size: 1.05rem; margin: 0; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
p { margin: 0; }
.sub { color: var(--muted); }
.note { font-size: .85rem; color: var(--muted); }
.label { font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.tabs { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 3; background: var(--bg); display: flex; gap: 6px; padding-block: 8px; }
.tabs button { flex: 1 1 0; font: 600 .95rem var(--body); padding: 10px 8px; border-radius: 8px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); cursor: pointer; }
.tabs button[aria-selected="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
button { font-family: var(--body); }
button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px; display: grid; gap: 12px; min-width: 0; }
.stack { display: grid; gap: 14px; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.spread { justify-content: space-between; }
.btn { font: 600 .9rem var(--body); padding: 8px 12px; border-radius: 9px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); cursor: pointer; }
select, input { font: 400 1rem var(--body); padding: 9px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); min-width: 0; width: 100%; }
.field { display: grid; gap: 4px; min-width: 0; }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 8px; }
details summary { cursor: pointer; font-weight: 600; }
details ul { margin: 8px 0 0; padding-left: 20px; display: grid; gap: 6px; }
/* wheel */
.wheel { width: 100%; max-width: 420px; justify-self: center; display: block; touch-action: manipulation; }
.wheel text { font-family: var(--body); font-weight: 600; pointer-events: none; }
.wheel .w { cursor: pointer; stroke: var(--panel); stroke-width: 1.5; }
.keyname { font: 800 1.9rem/1 var(--display); text-transform: uppercase; }
.fam { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; table-layout: fixed; }
.fam th { font: 600 .72rem var(--mono); color: var(--muted); padding: 4px 0; }
.fam td { padding: 2px; text-align: center; }
.fam td button { width: 100%; padding: 8px 0; border-radius: 7px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); font: 600 .85rem var(--body); cursor: pointer; overflow-wrap: anywhere; }
.fam td button.sev { font-size: .72rem; }
.fam td button.on, .chips button.on { border-color: var(--accent); background: var(--accent-soft); color: var(--ink); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips button { padding: 7px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); font: 600 .88rem var(--body); cursor: pointer; }
.chips button small { color: var(--muted); font: 500 .72rem var(--mono); margin-left: 4px; }
.group { display: grid; gap: 6px; }
.detail { border-top: 1px solid var(--line); padding-top: 12px; margin-top: 4px; display: grid; gap: 10px; }
.shapes { display: flex; flex-wrap: wrap; gap: 14px; }
.shape { display: grid; justify-items: center; gap: 2px; }
.shape svg { width: 112px; height: auto; }
.shape span { font-size: .75rem; color: var(--muted); }
.out { font: 600 1.1rem var(--mono); overflow-wrap: anywhere; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; margin: 0; }
.kv dt { color: var(--muted); font-size: .9rem; }
.kv dd { margin: 0; }
/* fretboard */
.fbscroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: 8px; background: var(--bg); border: 1px solid var(--line); }
.fb { display: block; height: 220px; }
.fb text { font-family: var(--body); pointer-events: none; }
.legend { display: flex; flex-wrap: wrap; gap: 12px; font-size: .8rem; color: var(--muted); align-items: center; }
.dot { display: inline-block; width: 12px; height: 12px; border-radius: 50%; vertical-align: -1px; margin-right: 4px; }
/* songs */
.songs { list-style: none; margin: 0; padding: 0; display: grid; }
.songs li { display: grid; gap: 3px; padding-block: 11px; border-top: 1px solid var(--line); }
.songs li:first-child { border-top: 0; }
.songs .t { font-weight: 600; }
.songs .prog { font: 600 .9rem var(--mono); overflow-wrap: anywhere; }
.songs .num { font: 500 .8rem var(--mono); color: var(--accent); }
.songs .why { font-size: .9rem; color: var(--muted); }
.songs .acts { display: flex; gap: 8px; margin-top: 4px; }
a.btn { text-decoration: none; display: inline-block; }
.hl-banner { display: flex; gap: 8px; align-items: center; justify-content: space-between; padding: 8px 10px; border-radius: 8px; background: var(--cool-soft); font-size: .9rem; }
/* site chrome and content pages */
.site { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.site a.brand { color: var(--ink); text-decoration: none; }
.site nav { display: flex; gap: 14px; font-size: .92rem; flex-wrap: wrap; }
.site nav a, .crumbs a, .prose a, .links a { color: var(--cool); }
.crumbs { font-size: .85rem; color: var(--muted); }
.prose { display: grid; gap: 10px; }
.prose p, .prose li { max-width: 62ch; }
.prose ul { margin: 0; padding-left: 20px; display: grid; gap: 6px; }
.links { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: .92rem; }
.cta { display: inline-block; text-decoration: none; background: var(--accent); color: var(--accent-ink); font-weight: 600; padding: 10px 14px; border-radius: 9px; justify-self: start; }
.chordgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.chordcard { border: 1px solid var(--line); border-radius: 10px; padding: 10px; display: grid; gap: 4px; justify-items: center; background: var(--bg); }
.chordcard h3 { color: var(--ink); text-transform: none; letter-spacing: 0; font-size: 1.15rem; }
.chordcard a { color: var(--ink); text-decoration: none; }
.chordcard .shapes { justify-content: center; gap: 4px; }
.chordcard .shape svg { width: 76px; }
.progs { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.progs li { display: grid; gap: 2px; }
.progs .prog { font: 600 1rem var(--mono); }
.fbstatic { overflow-x: auto; border-radius: 8px; background: var(--bg); border: 1px solid var(--line); }
.fbstatic svg { display: block; height: 180px; }
footer { font-size: .8rem; color: var(--muted); display: grid; gap: 6px; }
footer a { color: var(--muted); }
table.data { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
table.data th, table.data td { border-bottom: 1px solid var(--line); padding: 6px 4px; text-align: left; font-size: .92rem; }
table.data th { font: 600 .72rem var(--mono); color: var(--muted); text-transform: uppercase; }