:root{--bg:#fbf7f0;--paper:#fffdf9;--ink:#231a2e;--muted:#5d5268;--plum:#6b2d5c;--plum-d:#4f1f44;--indigo:#2f3e8f;--line:#e6dccd;--gold:#b5832a;--on:#7a3a6b;--on-bass:#3d1838;
--serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New Roman",serif;--sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 var(--sans)}
img,svg{max-width:100%}
a{color:var(--indigo);text-underline-offset:2px}
a:hover{color:var(--plum)}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.5rem 1rem;z-index:10}
.skip:focus{left:.5rem}
.wrap{max-width:1040px;margin:0 auto;padding:0 1rem}
h1,h2,h3,h4{font-family:var(--serif);line-height:1.2;color:var(--ink)}
h1{font-size:clamp(1.9rem,5vw,2.8rem);margin:.2rem 0 .6rem;letter-spacing:-.01em}
h2{font-size:clamp(1.4rem,3.6vw,1.85rem);margin:2rem 0 .6rem}
h3{font-size:1.25rem;margin:1.6rem 0 .5rem}
h4{font-size:1.05rem;margin:0 0 .3rem}
header.site{background:var(--ink);color:#f6efe3;border-bottom:4px solid var(--plum)}
header.site .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem 1.2rem;padding-top:.7rem;padding-bottom:.7rem}
.brand{display:flex;align-items:center;gap:.55rem;color:#fff;text-decoration:none;font-family:var(--serif);font-size:1.15rem;font-weight:700}
.brand svg{width:30px;height:30px;flex:none}
.brand small{display:block;font:500 .72rem/1 var(--sans);letter-spacing:.08em;text-transform:uppercase;color:#d9c7e6}
nav.main{display:flex;flex-wrap:wrap;gap:.2rem .9rem;font-size:.95rem}
nav.main a{color:#f6efe3;text-decoration:none;padding:.25rem 0;border-bottom:2px solid transparent}
nav.main a:hover,nav.main a[aria-current]{border-bottom-color:var(--gold);color:#fff}
main{padding:1.2rem 0 2.5rem}
.crumbs{font-size:.85rem;color:var(--muted);margin:.4rem 0 0}
.crumbs a{color:var(--muted)}
.lede{font-size:1.12rem;color:var(--muted);max-width:44rem}
.hero{background:linear-gradient(135deg,#f3e8f0 0%,#fbf7f0 55%,#eef0fa 100%);border-bottom:1px solid var(--line);padding:1.6rem 0 1.4rem}
.hero .kbd{max-width:520px;display:block;margin:1rem 0 0}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1rem;margin:1.2rem 0}
.card{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:1.1rem 1.1rem 1rem;box-shadow:0 1px 0 rgba(35,26,46,.04)}
.card h2,.card h3{margin:.1rem 0 .4rem;font-size:1.2rem}
.card p{margin:.3rem 0 .7rem;color:var(--muted)}
.card a.go{font-weight:600}
.panel{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:1rem 1.1rem;margin:1rem 0}
.controls{display:flex;flex-wrap:wrap;gap:.8rem 1rem;align-items:flex-end}
.field{display:flex;flex-direction:column;gap:.25rem;min-width:9rem;flex:1 1 9rem}
.field label{font-weight:600;font-size:.92rem}
select{font:inherit;padding:.55rem .6rem;border:1px solid #bfb2a1;border-radius:10px;background:#fff;color:var(--ink);min-height:44px;width:100%}
.btns{display:flex;flex-wrap:wrap;gap:.5rem}
.btn{font:600 .95rem/1 var(--sans);border:0;border-radius:999px;padding:.75rem 1.05rem;min-height:44px;background:var(--plum);color:#fff;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:.35rem}
.btn:hover{background:var(--plum-d);color:#fff}
.btn.alt{background:#fff;color:var(--plum);border:1.5px solid var(--plum)}
.btn.alt:hover{background:#f6ecf3;color:var(--plum-d)}
.btn-sm{padding:.5rem .8rem;min-height:38px;font-size:.88rem}
.small,.status{font-size:.88rem;color:var(--muted)}
#result h2,#key-result h2{margin-top:.4rem}
.sym{font-family:var(--sans);font-weight:600;font-size:.7em;color:var(--plum);background:#f4e9f1;border-radius:8px;padding:.1em .45em;white-space:nowrap}
.notes-line{font-size:1.15rem}
.lead{font-weight:700;margin-right:.3rem}
.note{display:inline-block;min-width:2.4em;text-align:center;font-weight:700;background:var(--ink);color:#fff;border-radius:8px;padding:.1em .45em;margin:.1em .1em}
.hint{background:#fff6e5;border-left:4px solid var(--gold);padding:.55rem .8rem;border-radius:6px;font-size:.95rem}
.kbd-fig{margin:1rem 0;max-width:640px}
.kbd-fig figcaption{font-size:.88rem;color:var(--muted);margin-top:.35rem}
.kbd{display:block;width:100%;height:auto}
.kbd .wk{fill:#fff;stroke:#3a3145;stroke-width:1}
.kbd .bk{fill:#231a2e;stroke:#231a2e}
.kbd .wk.on{fill:#d9a9cc}
.kbd .wk.on.bass{fill:#b56aa1}
.kbd .bk.on{fill:var(--on)}
.kbd .bk.on.bass{fill:#a1407f}
.kbd rect{cursor:pointer}
.kbd .lbl{font:700 9px var(--sans);text-anchor:middle;fill:#231a2e}
.kbd .lbl-b{fill:#fff;font-size:7px}
.kbd .mid{font:600 7px var(--sans);text-anchor:middle;fill:#8a7f95}
.kbd-sm .lbl{font-size:10px}.kbd-sm .lbl-b{font-size:7.5px}
.table-wrap{overflow-x:auto;margin:1rem 0;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;background:var(--paper);font-size:.95rem}
caption{text-align:left;font-weight:700;padding:.3rem 0 .5rem;font-family:var(--serif);font-size:1.05rem}
th,td{border:1px solid var(--line);padding:.5rem .6rem;text-align:left;vertical-align:top}
thead th{background:#f3ece2}
.rn{display:inline-block;min-width:3.2em;font-family:var(--serif);font-weight:700;color:var(--plum)}
.finger{font-size:.95rem}
.inv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:.9rem}
.inv{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:.8rem}
.inv-notes{margin:.1rem 0 .5rem;font-size:.92rem;color:var(--muted)}
.inv .btn{margin-top:.6rem}
.chips{display:flex;flex-wrap:wrap;gap:.45rem;padding:0;list-style:none}
.chips a{display:inline-block;background:#fff;border:1px solid var(--line);border-radius:999px;padding:.35rem .75rem;text-decoration:none;font-weight:600}
.chips a:hover{border-color:var(--plum)}
.chart-sec{margin-top:1.4rem}
.chart-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:.7rem}
.cc{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:.55rem .6rem .6rem;text-decoration:none;color:var(--ink);display:block}
.cc:hover{border-color:var(--plum)}
.cc b{font-family:var(--serif);font-size:1.1rem}
.cc span{display:block;font-size:.85rem;color:var(--muted);margin:.05rem 0 .3rem}
fieldset{border:1px solid var(--line);border-radius:12px;padding:.6rem .9rem;margin:0}
legend{font-weight:700;padding:0 .3rem}
.checks{display:flex;flex-wrap:wrap;gap:.3rem 1rem}
.checks label{display:flex;gap:.35rem;align-items:center;min-height:32px}
.promo{margin:2rem 0 1rem;background:#2a1f36;color:#f6efe3;border-radius:16px;padding:1.2rem 1.2rem 1rem;border:1px solid #3f2f52}
.promo h2{color:#fff;margin:0 0 .5rem;font-size:1.4rem}
.promo p{margin:.4rem 0}
.promo .btn{background:var(--gold);color:#1b1424;margin:.5rem 0}
.promo .btn:hover{background:#d39b39;color:#1b1424}
.promo .disc{font-size:.84rem;color:#d8cde2;border-top:1px solid #4a3a5e;padding-top:.6rem;margin-top:.7rem}
.promo a:not(.btn){color:#e6c47f}
.toc{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:.7rem 1rem}
.toc ol{margin:.3rem 0;padding-left:1.3rem}
.item{border-top:1px solid var(--line);padding-top:.4rem;margin-top:1.4rem}
.item h2{display:flex;gap:.6rem;align-items:baseline}
.num{flex:none;display:inline-grid;place-items:center;width:2.1rem;height:2.1rem;border-radius:50%;background:var(--plum);color:#fff;font:700 1rem var(--sans)}
.next{background:#eef0fa;border-left:4px solid var(--indigo);padding:.55rem .8rem;border-radius:6px}
.sources{font-size:.92rem}
.sources li{margin:.25rem 0;overflow-wrap:anywhere}
.meta{font-size:.88rem;color:var(--muted)}
.prose{max-width:46rem}
footer.site{background:#efe6d8;border-top:1px solid var(--line);padding:1.4rem 0 1.8rem;font-size:.9rem;color:var(--muted)}
footer.site strong{color:var(--ink)}
footer.site .addr{letter-spacing:.02em}
footer.site nav a{margin-right:.9rem}
@media (max-width:560px){body{font-size:16px}.hero{padding-top:1.1rem}th,td{padding:.4rem .45rem}.keytab{font-size:.86rem}}
@media print{
  @page{margin:12mm}
  body{background:#fff;font-size:11pt;color:#000}
  header.site,footer.site,.no-print,.promo,.crumbs,nav,.btn,.controls,#chart-types,.skip{display:none!important}
  main{padding:0}
  .wrap{max-width:none;padding:0}
  .panel,.card,.inv,.cc{box-shadow:none;border-color:#999;background:#fff}
  .inv,.cc,.chart-grid>*{break-inside:avoid}
  .chart-sec{break-before:page}
  .chart-sec:first-of-type{break-before:auto}
  .chart-grid{grid-template-columns:repeat(4,1fr);gap:6pt}
  .inv-grid{grid-template-columns:repeat(2,1fr)}
  .note{background:#fff;color:#000;border:1px solid #000}
  .kbd .wk.on{fill:#bbb}.kbd .wk.on.bass{fill:#888}.kbd .bk.on{fill:#777}
  a{color:#000;text-decoration:none}
  .print-only{display:block!important}
}
.print-only{display:none}