/* ================================================================
   OVERTONE · design system
   The luthier's bench. Ebony and rosewood surfaces, an aged spruce
   soundboard, brass fret wire, bone nut, abalone inlay, piano felt.
   Type: IM Fell (17th-century letterpress, the inked edge of the
   logo), Schibsted Grotesk for reading, Martian Mono for engraving.
   ================================================================ */
:root {
  --ebony: #0e0b09;
  --ebony-2: #15100c;
  --rosewood: #1d140e;
  --rosewood-2: #271a12;
  --walnut: #3a281b;
  --line: #34261c;
  --line-2: #4d3828;
  --spruce: #dcb780;
  --spruce-2: #c49a60;
  --spruce-ink: #3b2514;
  --brass: #d6a24a;
  --brass-hi: #f3d08a;
  --brass-lo: #8a6327;
  --brass-glow: rgba(214, 162, 74, 0.15);
  --bone: #f2e9d8;
  --bone-2: #c7b79d;
  --bone-3: #8d7b64;
  --pearl: #eef1ea;
  --verdigris: #63b9a6;
  --verdigris-glow: rgba(99, 185, 166, 0.14);
  --felt: #7e1a1f;
  --oxblood: #c0514f;
  --abalone: conic-gradient(
    from 200deg,
    #63b9a6,
    #a9dcc9,
    #e8cf9c,
    #d99aa3,
    #7fb0c4,
    #9fd6c0,
    #63b9a6
  );

  --display: "IM Fell English", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --display-sc: "IM Fell English SC", "IM Fell English", Georgia, serif;
  --ui: "Schibsted Grotesk", ui-sans-serif, system-ui, sans-serif;
  --mono: "Martian Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --r: 14px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --spring: cubic-bezier(0.3, 1.5, 0.5, 1);
  --rail-w: 252px;
  --bar-h: 64px;
  --keybed-h: 176px;

  /* wood, drawn with Perlin noise stretched along the grain */
  --grain-h: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='900' height='420'%3E%3Cfilter id='w' x='0' y='0' width='100%25' height='100%25'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.0022 .13' numOctaves='4' seed='4' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .95 0 0 0 0 .72 0 0 0 0 .5 .26 0 0 0 -.11'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23w)'/%3E%3C/svg%3E");
  --grain-v: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='420' height='900'%3E%3Cfilter id='w' x='0' y='0' width='100%25' height='100%25'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.13 .0022' numOctaves='4' seed='9' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .95 0 0 0 0 .7 0 0 0 0 .46 .34 0 0 0 -.15'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23w)'/%3E%3C/svg%3E");
  --grain-spruce: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='600' height='600'%3E%3Cfilter id='s' x='0' y='0' width='100%25' height='100%25'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.55 .0035' numOctaves='3' seed='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .36 0 0 0 0 .22 0 0 0 0 .1 1.5 0 0 0 -.62'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23s)'/%3E%3C/svg%3E");
  --noise: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.05'/%3E%3C/svg%3E");
}

/* ---------------- base ---------------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--bar-h) + 16px);
  background: var(--ebony);
}
body {
  font-family: var(--ui);
  font-size: 16px;
  line-height: 1.6;
  color: var(--bone);
  background: transparent; /* the html element carries the ebony; body::before carries the grain */
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  overflow-x: clip;
  padding-bottom: var(--kb-space, var(--keybed-h));
}
button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
}
button {
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
a {
  color: inherit;
}
img {
  display: block;
  max-width: 100%;
}
h1,
h2,
h3,
h4 {
  font-family: var(--display);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.005em;
  text-wrap: balance;
}
p {
  text-wrap: pretty;
}
em {
  font-style: italic;
}
:focus-visible {
  outline: 2px solid var(--brass-hi);
  outline-offset: 3px;
  border-radius: 6px;
}
::selection {
  background: var(--brass);
  color: var(--ebony);
}
.sr {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.skip {
  position: fixed;
  left: 12px;
  top: -60px;
  z-index: 999;
  background: var(--brass);
  color: var(--ebony);
  padding: 10px 14px;
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 0.7rem;
  text-decoration: none;
}
.skip:focus {
  top: 12px;
}

/* engraved small type */
.eng,
.eyebrow,
.plabel,
.kv {
  font-family: var(--mono);
  font-stretch: 80%;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.64rem;
  color: var(--bone-3);
}
.eyebrow {
  color: var(--brass);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: linear-gradient(90deg, var(--brass-lo), var(--brass-hi), var(--brass-lo));
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.6);
}
.kv {
  display: block;
  color: var(--brass);
  margin-bottom: 6px;
}

/* ---------------- ambient layers ---------------- */
#strings {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}
/* the workbench under everything, on its own layer so scrolling never repaints it */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(1200px 700px at 12% -10%, rgba(255, 190, 110, 0.075), transparent 60%),
    radial-gradient(900px 600px at 100% 0%, rgba(99, 185, 166, 0.035), transparent 60%),
    var(--grain-h);
  background-size:
    auto,
    auto,
    900px 420px;
}
#lamp {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: var(--noise);
  opacity: 0.9;
  mix-blend-mode: overlay;
}
#app {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------------- the rail: a fretboard ---------------- */
#rail {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--rail-w);
  z-index: 90;
  display: flex;
  flex-direction: column;
  background:
    linear-gradient(
      90deg,
      rgba(0, 0, 0, 0.55),
      transparent 12%,
      transparent 88%,
      rgba(0, 0, 0, 0.6)
    ),
    var(--grain-v), linear-gradient(180deg, #1a100b, #120b08);
  background-size:
    auto,
    420px 900px,
    auto;
  box-shadow:
    inset -1px 0 0 #2c1e15,
    12px 0 40px -18px rgba(0, 0, 0, 0.9);
  transition: transform 0.42s var(--ease);
}
.headstock {
  display: block;
  padding: 22px 26px 18px;
}
.headstock img {
  width: 100%;
  max-width: 188px;
  height: auto;
  filter: drop-shadow(0 2px 0 rgba(0, 0, 0, 0.5));
}
.nut {
  height: 7px;
  margin: 0 14px;
  border-radius: 2px;
  background: linear-gradient(180deg, #fbf5e9, #d9ccb4 60%, #b3a386);
  box-shadow:
    0 3px 6px rgba(0, 0, 0, 0.6),
    inset 0 -1px 0 rgba(0, 0, 0, 0.25);
}
.neck {
  flex: 1;
  overflow-y: auto;
  padding: 0 14px 10px;
  scrollbar-width: thin;
  scrollbar-color: var(--line-2) transparent;
  position: relative;
}
.neck::before {
  /* strings along the edge of the neck */
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  right: 4px;
  width: 26px;
  pointer-events: none;
  opacity: 0.5;
  background: repeating-linear-gradient(
    90deg,
    transparent 0 3px,
    rgba(230, 220, 200, 0.35) 3px 4px,
    transparent 4px 5px
  );
}
.fret {
  position: relative;
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 13px 12px 13px 8px;
  text-decoration: none;
  color: var(--bone-2);
  border-radius: 4px;
  transition:
    color 0.2s,
    background 0.25s;
}
.fret::after {
  /* the fret wire under each item */
  content: "";
  position: absolute;
  left: -14px;
  right: -14px;
  bottom: -1px;
  height: 3px;
  background: linear-gradient(180deg, #f7e2b0, #b98b3d 45%, #5a3f16);
  box-shadow: 0 2px 3px rgba(0, 0, 0, 0.7);
  opacity: 0.72;
}
.fret:hover {
  color: var(--bone);
  background: rgba(255, 230, 190, 0.035);
}
.inlay {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--bone-3);
  position: relative;
  background: radial-gradient(circle at 35% 30%, #2b1d14, #120b07 70%);
  box-shadow:
    inset 0 1px 2px rgba(0, 0, 0, 0.9),
    0 1px 0 rgba(255, 230, 190, 0.08);
  transition:
    color 0.25s,
    box-shadow 0.3s;
}
.fret b {
  display: block;
  font-family: var(--ui);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.005em;
}
.fret small {
  display: block;
  font-family: var(--mono);
  font-stretch: 78%;
  font-size: 0.56rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone-3);
  margin-top: 2px;
}
.fret[aria-current="page"] {
  color: var(--bone);
}
.fret[aria-current="page"] b {
  color: var(--brass-hi);
}
.fret[aria-current="page"] .inlay {
  color: #1a120c;
  background: var(--abalone);
  box-shadow:
    0 0 0 2px rgba(0, 0, 0, 0.55),
    0 0 18px rgba(169, 220, 201, 0.35),
    inset 0 1px 1px rgba(255, 255, 255, 0.6);
  animation: shimmer 6s linear infinite;
}
@keyframes shimmer {
  to {
    filter: hue-rotate(40deg);
  }
}
.fret-gap {
  height: 16px;
}
.rail-foot {
  padding: 14px 22px 18px;
  font-family: var(--mono);
  font-stretch: 78%;
  font-size: 0.56rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone-3);
  line-height: 1.9;
  border-top: 1px solid #2c1e15;
}
.midi-state {
  display: block;
  color: var(--verdigris);
}
#scrim {
  position: fixed;
  inset: 0;
  z-index: 85;
  background: rgba(6, 4, 3, 0.7);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  backdrop-filter: blur(2px);
}

/* ---------------- top bar ---------------- */
#bar {
  position: sticky;
  top: 0;
  z-index: 60;
  height: var(--bar-h);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 clamp(16px, 3vw, 40px);
  background: linear-gradient(180deg, rgba(14, 11, 9, 0.96), rgba(14, 11, 9, 0.8));
  backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--line);
}
.bar-logo {
  display: none;
}
.bar-logo img {
  height: 34px;
  width: auto;
}
.crumb {
  flex: 1;
  min-width: 0;
  font-family: var(--display);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--bone-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.crumb b {
  font-style: normal;
  font-family: var(--mono);
  font-stretch: 80%;
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  color: var(--bone-3);
  margin-right: 12px;
  font-weight: 400;
}
.rig {
  display: flex;
  align-items: center;
  gap: 12px;
}
.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: var(--bone-2);
  background: linear-gradient(180deg, #211710, #150e0a);
  box-shadow:
    inset 0 0 0 1px var(--line),
    inset 0 1px 0 rgba(255, 230, 190, 0.06);
  transition:
    color 0.2s,
    box-shadow 0.2s;
}
.icon-btn:hover {
  color: var(--brass-hi);
  box-shadow: inset 0 0 0 1px var(--brass-lo);
}
.icon-btn[aria-pressed="true"] {
  color: var(--oxblood);
}
#menuBtn {
  display: none;
}

/* voice selector: an engraved brass nameplate */
.voice-plate {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  height: 40px;
  padding: 0 12px 0 14px;
  border-radius: 9px;
  cursor: pointer;
  background: linear-gradient(180deg, #e9c47a, #c0913f 55%, #9c7230);
  box-shadow:
    inset 0 1px 0 rgba(255, 245, 215, 0.7),
    inset 0 -1px 0 rgba(60, 35, 5, 0.5),
    0 4px 14px -6px rgba(0, 0, 0, 0.9);
  color: #2a1a08;
}
.voice-plate::before,
.voice-plate::after {
  /* two little screws */
  content: "";
  position: absolute;
  top: 50%;
  width: 5px;
  height: 5px;
  margin-top: -2.5px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, #fff3cf, #7a561e 70%);
  box-shadow: 0 0 0 1px rgba(60, 35, 5, 0.35);
}
.voice-plate::before {
  left: 5px;
}
.voice-plate::after {
  right: 5px;
}
.vp-k {
  font-family: var(--mono);
  font-stretch: 78%;
  font-size: 0.52rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.7;
}
.voice-plate select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  font-family: var(--display);
  font-size: 1.02rem;
  color: #20140a;
  padding-right: 16px;
  max-width: 190px;
  text-overflow: ellipsis;
  background:
    linear-gradient(45deg, transparent 50%, #3a2408 50%) right 2px center / 5px 5px no-repeat,
    linear-gradient(-45deg, transparent 50%, #3a2408 50%) right -3px center / 5px 5px no-repeat;
  background-position:
    right 5px top 55%,
    right 0 top 55%;
}
.voice-plate select:focus-visible {
  outline: none;
}
.voice-plate:focus-within {
  outline: 2px solid var(--brass-hi);
  outline-offset: 3px;
}
.voice-plate option,
.voice-plate optgroup {
  background: #1d140e;
  color: var(--bone);
  font-family: var(--ui);
}
.vp-load {
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 3px;
  height: 2px;
  border-radius: 2px;
  background: rgba(40, 20, 0, 0.25);
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.3s;
}
.vp-load::after {
  content: "";
  position: absolute;
  inset: 0;
  width: var(--p, 0%);
  background: #3a2408;
  transition: width 0.2s;
}
.vp-load.on {
  opacity: 1;
}

/* rotary knobs: bakelite with a brass skirt */
.knob {
  position: relative;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  cursor: ns-resize;
  touch-action: none;
  flex: 0 0 auto;
  background: conic-gradient(
    from 225deg,
    var(--brass) 0 var(--k, 50%),
    rgba(255, 230, 190, 0.08) var(--k, 50%) 75%,
    transparent 75%
  );
  -webkit-mask: radial-gradient(circle, transparent 0 16px, #000 16px);
  mask: radial-gradient(circle, transparent 0 16px, #000 16px);
}
.knob-wrap {
  position: relative;
  display: grid;
  place-items: center;
}
.knob-cap {
  position: absolute;
  inset: 5px;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle at 38% 30%, #3d2b1f, #140d09 70%);
  box-shadow:
    0 2px 5px rgba(0, 0, 0, 0.8),
    inset 0 1px 0 rgba(255, 230, 190, 0.12);
}
.knob-cap::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 3px;
  width: 2px;
  height: 9px;
  margin-left: -1px;
  border-radius: 2px;
  background: var(--bone);
  transform-origin: 50% 11px;
  transform: rotate(var(--a, 0deg));
}
.knob-lbl {
  position: absolute;
  top: calc(100% + 1px);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-stretch: 75%;
  font-size: 0.46rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bone-3);
  pointer-events: none;
}

/* ---------------- views ---------------- */
#main {
  flex: 1;
  width: min(1280px, 100%);
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 56px);
  outline: none;
}
.view {
  display: none;
  padding: 44px 0 72px;
}
.view.on {
  display: block;
  animation: rise 0.5s var(--ease) both;
}
@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
}
::view-transition-old(main-view) {
  animation: vt-out 0.22s ease both;
}
::view-transition-new(main-view) {
  animation: vt-in 0.42s var(--ease) both;
}
@keyframes vt-out {
  to {
    opacity: 0;
    transform: translateY(-8px);
    filter: blur(2px);
  }
}
@keyframes vt-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
}
.vt #main {
  view-transition-name: main-view;
}

.vhead {
  margin-bottom: 36px;
  max-width: 78ch;
}
.vhead h2 {
  font-size: clamp(2.3rem, 5.2vw, 4.1rem);
  margin-bottom: 14px;
}
.vhead h2 em {
  color: var(--brass);
}
.vhead p {
  color: var(--bone-2);
  font-size: 1.05rem;
  max-width: 62ch;
}

/* ---------------- surfaces ---------------- */
/* the purfling: black–maple–black inlay inside an instrument's edge */
.panel {
  position: relative;
  border-radius: var(--r);
  padding: 26px;
  background: var(--grain-h), linear-gradient(170deg, #20160f, #160f0b 70%);
  background-size:
    900px 420px,
    auto;
  box-shadow:
    inset 0 0 0 1px #3c2b1f,
    inset 0 0 0 5px #120c08,
    inset 0 0 0 6px rgba(236, 214, 170, 0.16),
    inset 0 0 0 7px #120c08,
    0 1px 0 rgba(255, 230, 190, 0.05),
    0 24px 50px -30px rgba(0, 0, 0, 0.95);
}
.panel.plain {
  box-shadow:
    inset 0 0 0 1px var(--line),
    0 24px 50px -34px rgba(0, 0, 0, 0.9);
}
.panel-h {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.panel-h h3 {
  font-size: 1.6rem;
  flex: 1;
  min-width: 0;
}
.panel-h h3 small {
  font-family: var(--mono);
  font-stretch: 80%;
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  color: var(--bone-3);
  text-transform: uppercase;
  margin-left: 10px;
}
.stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.grid2 {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 16px;
  align-items: start;
}
.grid2.even {
  grid-template-columns: 1fr 1fr;
}
.row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}
.row + .row {
  margin-top: 12px;
}
.row > .plabel {
  min-width: 86px;
}
.wire {
  height: 3px;
  border: 0;
  margin: 22px 0;
  border-radius: 2px;
  background: linear-gradient(180deg, #f7e2b0, #b98b3d 45%, #5a3f16);
  box-shadow: 0 2px 3px rgba(0, 0, 0, 0.7);
  opacity: 0.55;
}

.note-txt {
  color: var(--bone-2);
  font-size: 0.95rem;
  line-height: 1.68;
}
.note-txt + .note-txt {
  margin-top: 16px;
}
.note-txt b {
  color: var(--bone);
  font-weight: 600;
}
.note-txt em {
  color: var(--brass-hi);
}
.hint {
  font-family: var(--mono);
  font-stretch: 80%;
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  color: var(--bone-3);
  line-height: 1.7;
}
.trap {
  border-left: 2px solid var(--oxblood);
  padding-left: 14px;
}
.trap .kv {
  color: var(--oxblood);
}

/* ---------------- controls ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 10px;
  font-family: var(--mono);
  font-stretch: 82%;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
  transition:
    transform 0.18s var(--ease),
    box-shadow 0.2s,
    color 0.2s,
    background 0.2s;
}
.btn:active {
  transform: translateY(1px) scale(0.985);
}
.btn-brass {
  color: #24170a;
  background: linear-gradient(180deg, #f1cd83, #d3a049 48%, #b1802f);
  box-shadow:
    inset 0 1px 0 rgba(255, 248, 225, 0.75),
    inset 0 -2px 0 rgba(80, 45, 5, 0.35),
    0 8px 22px -10px rgba(214, 162, 74, 0.55);
}
.btn-brass:hover {
  box-shadow:
    inset 0 1px 0 rgba(255, 248, 225, 0.75),
    inset 0 -2px 0 rgba(80, 45, 5, 0.35),
    0 10px 30px -8px rgba(214, 162, 74, 0.7);
}
.btn-ghost {
  color: var(--bone);
  box-shadow: inset 0 0 0 1px var(--line-2);
  background: rgba(20, 13, 9, 0.6);
}
.btn-ghost:hover {
  box-shadow: inset 0 0 0 1px var(--brass);
  color: var(--brass-hi);
}
.btn.live {
  color: var(--bone);
  background: linear-gradient(180deg, #3a2217, #26150e);
  box-shadow:
    inset 0 0 0 1px var(--oxblood),
    0 0 0 4px rgba(192, 81, 79, 0.12);
}
.btn svg {
  flex: 0 0 auto;
}
.btn-sm {
  min-height: 36px;
  padding: 0 14px;
  font-size: 0.6rem;
}

.chip {
  min-height: 36px;
  padding: 0 13px;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ui);
  font-size: 0.86rem;
  color: var(--bone-2);
  background: linear-gradient(180deg, #1f160f, #170f0b);
  box-shadow:
    inset 0 0 0 1px var(--line),
    inset 0 1px 0 rgba(255, 230, 190, 0.05);
  transition:
    color 0.18s,
    box-shadow 0.18s,
    background 0.2s,
    transform 0.18s var(--ease);
}
.chip:hover {
  color: var(--bone);
  box-shadow: inset 0 0 0 1px var(--line-2);
}
.chip[aria-pressed="true"],
.chip.on {
  color: #21150a;
  background: linear-gradient(180deg, #eec67a, #c9953f);
  box-shadow:
    inset 0 1px 0 rgba(255, 248, 225, 0.7),
    0 6px 16px -8px rgba(214, 162, 74, 0.6);
}
.chip .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c, var(--bone-3));
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.35);
}
.chip.pat[aria-pressed="true"],
.chip.pat.on {
  background: linear-gradient(180deg, #8fd3c1, #56a896);
  color: #0c1a16;
  box-shadow:
    inset 0 1px 0 rgba(235, 255, 248, 0.6),
    0 6px 16px -8px rgba(99, 185, 166, 0.6);
}
.chips-scroll {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 3px 3px 8px;
  scrollbar-width: thin;
  scrollbar-color: var(--line-2) transparent;
}
.chips-scroll .chip {
  flex: 0 0 auto;
}

/* segmented tabs: brass tabs on a rosewood rail */
.seg {
  display: inline-flex;
  padding: 4px;
  gap: 3px;
  border-radius: 12px;
  background: #120c08;
  box-shadow:
    inset 0 0 0 1px var(--line),
    inset 0 2px 6px rgba(0, 0, 0, 0.6);
  flex-wrap: wrap;
}
.seg button {
  min-height: 38px;
  padding: 0 16px;
  border-radius: 9px;
  font-family: var(--ui);
  font-size: 0.88rem;
  color: var(--bone-2);
  transition:
    color 0.2s,
    background 0.25s;
}
.seg button:hover {
  color: var(--bone);
}
.seg button[aria-selected="true"] {
  color: #21150a;
  background: linear-gradient(180deg, #eec67a, #c9953f);
  box-shadow: inset 0 1px 0 rgba(255, 248, 225, 0.7);
}

/* a one-octave keyboard for picking a key */
.keypick {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  position: relative;
  height: 84px;
  max-width: 420px;
  user-select: none;
}
.keypick .w,
.keypick .b {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 8px;
  font-family: var(--display);
  font-size: 1rem;
  transition:
    background 0.2s,
    transform 0.15s var(--ease);
}
.keypick .w {
  color: #3a2a1a;
  border-radius: 0 0 7px 7px;
  margin: 0 1.5px;
  background: linear-gradient(180deg, #efe6d3, #ded1b8);
  box-shadow:
    inset 0 -5px 0 #c9baa0,
    0 3px 6px rgba(0, 0, 0, 0.5);
}
.keypick .b {
  position: absolute;
  top: 0;
  height: 58%;
  width: 9.4%;
  z-index: 2;
  color: #cdbfa7;
  font-size: 0.78rem;
  padding-bottom: 6px;
  border-radius: 0 0 5px 5px;
  background: linear-gradient(180deg, #2c241f, #0c0908);
  box-shadow:
    inset 0 -4px 0 #000,
    inset 1px 0 0 rgba(255, 255, 255, 0.06),
    0 3px 6px rgba(0, 0, 0, 0.7);
  transform: translateX(-50%);
}
.keypick [aria-pressed="true"].w {
  background: linear-gradient(180deg, #f6d894, #d9a44b);
  box-shadow:
    inset 0 -5px 0 #a8792c,
    0 3px 12px rgba(214, 162, 74, 0.5);
}
.keypick [aria-pressed="true"].b {
  background: linear-gradient(180deg, #caa04e, #7a5520);
  color: #1a1008;
}
.keypick .w:active,
.keypick .b:active {
  transform: translateY(2px);
}
.keypick .b:active {
  transform: translateX(-50%) translateY(2px);
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  height: 22px;
  background: transparent;
  width: 100%;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--brass) var(--fill, 50%), #3a2a1e var(--fill, 50%));
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.6);
}
input[type="range"]::-moz-range-track {
  height: 4px;
  border-radius: 3px;
  background: #3a2a1e;
}
input[type="range"]::-moz-range-progress {
  height: 4px;
  border-radius: 3px;
  background: var(--brass);
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  margin-top: -8px;
  border-radius: 50%;
  background: radial-gradient(circle at 38% 32%, #fbe7b8, #c28d38 60%, #7b561c);
  box-shadow:
    0 2px 6px rgba(0, 0, 0, 0.8),
    0 0 0 3px rgba(14, 11, 9, 0.9);
}
input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 38% 32%, #fbe7b8, #c28d38 60%, #7b561c);
  box-shadow:
    0 2px 6px rgba(0, 0, 0, 0.8),
    0 0 0 3px rgba(14, 11, 9, 0.9);
}
.slider-row {
  display: flex;
  align-items: center;
  gap: 14px;
}
.slider-row output,
.slider-row .val {
  font-family: var(--mono);
  font-stretch: 80%;
  font-size: 0.72rem;
  color: var(--bone);
  min-width: 52px;
  text-align: right;
}

.bignum {
  font-family: var(--display);
  font-size: clamp(3.2rem, 7vw, 5rem);
  line-height: 0.9;
  color: var(--bone);
  font-variant-numeric: lining-nums;
}

/* degree tiles */
.degs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.deg {
  min-width: 64px;
  padding: 10px 12px 9px;
  border-radius: 10px;
  text-align: center;
  position: relative;
  background: linear-gradient(180deg, #1f160f, #150e0a);
  box-shadow: inset 0 0 0 1px var(--line);
  transition:
    transform 0.2s var(--spring),
    box-shadow 0.2s,
    background 0.25s;
}
.deg:hover {
  transform: translateY(-3px);
  box-shadow: inset 0 0 0 1px var(--brass-lo);
}
.deg b {
  display: block;
  font-family: var(--display);
  font-size: 1.35rem;
  line-height: 1.1;
  color: var(--bone);
}
.deg i {
  display: block;
  font-style: normal;
  font-family: var(--mono);
  font-stretch: 80%;
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  color: var(--bone-3);
  margin-top: 3px;
}
.deg.root {
  box-shadow: inset 0 0 0 1px var(--brass);
  background: linear-gradient(180deg, rgba(214, 162, 74, 0.18), rgba(214, 162, 74, 0.05));
}
.deg.root b {
  color: var(--brass-hi);
}
.deg.ring {
  animation: ring 0.5s var(--ease);
}
@keyframes ring {
  30% {
    transform: translateY(-5px);
    box-shadow:
      inset 0 0 0 1px var(--brass-hi),
      0 0 20px rgba(214, 162, 74, 0.4);
  }
}
.deg.now {
  box-shadow:
    inset 0 0 0 1px var(--brass-hi),
    0 0 22px rgba(214, 162, 74, 0.35);
  background: linear-gradient(180deg, rgba(214, 162, 74, 0.3), rgba(214, 162, 74, 0.08));
}

/* ---------------- the keybed: a piano ---------------- */
#keybed {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 80;
  transition: transform 0.45s var(--ease);
  filter: drop-shadow(0 -18px 30px rgba(0, 0, 0, 0.75));
}
#keybed.hide {
  transform: translateY(calc(100% - 44px));
}
.fallboard {
  height: 44px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  position: relative;
  background: linear-gradient(180deg, #1b120d, #0b0706 70%), var(--grain-h);
  background-blend-mode: normal;
  box-shadow:
    inset 0 1px 0 rgba(255, 230, 190, 0.14),
    inset 0 -1px 0 #000;
  font-family: var(--mono);
  font-stretch: 78%;
  font-size: 0.56rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--bone-3);
}
.fb-l,
.fb-r {
  display: flex;
  align-items: center;
  gap: 3px;
  flex: 0 0 auto;
}
.fb-l button,
.fb-r button {
  min-height: 30px;
  padding: 0 9px;
  border-radius: 7px;
  color: var(--bone-2);
  letter-spacing: 0.12em;
  transition:
    color 0.2s,
    background 0.2s;
}
.fb-l button:hover,
.fb-r button:hover {
  color: var(--bone);
  background: rgba(255, 230, 190, 0.06);
}
.fallboard button[aria-pressed="true"] {
  color: var(--brass-hi);
  background: rgba(214, 162, 74, 0.12);
  box-shadow: inset 0 0 0 1px rgba(214, 162, 74, 0.35);
}
#octLbl {
  color: var(--bone);
  min-width: 22px;
  text-align: center;
}
.fb-sep {
  width: 1px;
  height: 18px;
  background: var(--line-2);
  margin: 0 6px;
}
.fb-decal {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--display-sc);
  font-size: 1.1rem;
  letter-spacing: 0.28em;
  text-transform: none;
  background: linear-gradient(180deg, #fbe6ad, #c39036 55%, #8f6420);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  pointer-events: none;
  opacity: 0.92;
}
.fb-now {
  margin-left: auto;
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
  text-align: right;
}
.fb-now b {
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: var(--brass-hi);
  white-space: nowrap;
}
.fb-now span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 26ch;
}
.fb-r {
  margin-left: 8px;
}
.felt {
  height: 5px;
  background: linear-gradient(180deg, #5a0f13, #8e2027 40%, #6b1318), var(--noise);
  box-shadow: inset 0 -1px 2px rgba(0, 0, 0, 0.6);
}
.keys-wrap {
  display: flex;
  height: calc(var(--keybed-h) - 49px);
  background: #050403;
}
.cheek {
  width: clamp(10px, 2.2vw, 28px);
  flex: 0 0 auto;
  background: var(--grain-v), linear-gradient(90deg, #2a1a11, #140c08);
  background-size:
    420px 900px,
    auto;
  box-shadow:
    inset -1px 0 0 rgba(255, 230, 190, 0.08),
    inset 1px 0 0 rgba(0, 0, 0, 0.8);
}
.keys {
  position: relative;
  flex: 1;
  display: flex;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}
.wk {
  flex: 1;
  position: relative;
  margin-right: 1px;
  border-radius: 0 0 6px 6px;
  background: linear-gradient(180deg, #d8ccb4 0, #f4ecdc 7%, #efe6d4 86%, #e3d7c0 100%);
  box-shadow:
    inset 0 -7px 0 #d5c7ac,
    inset 0 -8px 0 rgba(0, 0, 0, 0.12),
    0 2px 2px rgba(0, 0, 0, 0.5);
  transition:
    transform 0.06s,
    box-shadow 0.06s,
    background 0.3s;
}
.wk:last-child {
  margin-right: 0;
}
.wk.down {
  transform: translateY(2px);
  box-shadow:
    inset 0 -3px 0 #cdbd9f,
    inset 0 8px 14px -8px rgba(0, 0, 0, 0.4);
}
.wk.sound {
  background: linear-gradient(180deg, #d8c09a 0, #f7deaa 10%, #f1cf8d 88%, #e3bd78 100%);
}
.bk {
  position: absolute;
  top: 0;
  height: 62%;
  z-index: 3;
  border-radius: 0 0 4px 4px;
  background: linear-gradient(
    180deg,
    #050403 0,
    #221b17 10%,
    #16110e 80%,
    #2a221d 94%,
    #0c0908 100%
  );
  box-shadow:
    inset 0 -6px 0 #0a0706,
    inset 1px 0 0 rgba(255, 255, 255, 0.07),
    inset -1px 0 0 rgba(0, 0, 0, 0.8),
    0 4px 6px rgba(0, 0, 0, 0.65);
  transition:
    transform 0.06s,
    box-shadow 0.06s,
    background 0.3s;
}
.bk.down {
  transform: translateY(2px);
  box-shadow:
    inset 0 -2px 0 #0a0706,
    0 2px 3px rgba(0, 0, 0, 0.6);
}
.bk.sound {
  background: linear-gradient(180deg, #2a1d10 0, #8a6327 14%, #6a4a1c 80%, #3a2a14 100%);
}
.wk .lbl,
.bk .lbl {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 12px;
  text-align: center;
  font-family: var(--mono);
  font-stretch: 75%;
  font-size: 0.56rem;
  color: #7d6c55;
  pointer-events: none;
}
.bk .lbl {
  bottom: 9px;
  color: #a3927a;
  font-size: 0.5rem;
}
/* scale tones get a small inlay at the bottom of the key */
.wk.in::after,
.bk.in::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 28px;
  width: 7px;
  height: 7px;
  margin-left: -3.5px;
  border-radius: 50%;
  background: var(--brass);
  box-shadow: 0 0 0 1.5px rgba(0, 0, 0, 0.25);
}
.bk.in::after {
  bottom: 24px;
}
.wk.tonic::after,
.bk.tonic::after {
  width: 10px;
  height: 10px;
  margin-left: -5px;
  background: var(--abalone);
  box-shadow:
    0 0 0 1.5px rgba(0, 0, 0, 0.4),
    0 0 8px rgba(169, 220, 201, 0.6);
}
.wk.latched,
.bk.latched {
  box-shadow:
    inset 0 -7px 0 var(--verdigris),
    0 2px 2px rgba(0, 0, 0, 0.5);
}

/* ---------------- modal ---------------- */
dialog#modal {
  margin: auto;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  width: min(820px, calc(100vw - 24px));
  max-height: calc(100vh - 40px);
  overflow: visible;
}
dialog#modal::backdrop {
  background: rgba(6, 4, 3, 0.8);
  backdrop-filter: blur(6px);
}
dialog#modal[open] .mwin {
  animation: modalIn 0.45s var(--ease);
}
@keyframes modalIn {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.985);
  }
}
.mwin {
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  border-radius: 18px;
  background: var(--grain-h), linear-gradient(170deg, #20160f, #140e0a);
  background-size:
    900px 420px,
    auto;
  box-shadow:
    inset 0 0 0 1px #3c2b1f,
    inset 0 0 0 5px #120c08,
    inset 0 0 0 6px rgba(236, 214, 170, 0.16),
    inset 0 0 0 7px #120c08,
    0 40px 90px -20px #000;
}
.mbar {
  position: sticky;
  top: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 22px;
  background: linear-gradient(180deg, #1f150f, rgba(31, 21, 15, 0.92));
  border-bottom: 1px solid var(--line);
}
.mbar span {
  flex: 1;
  font-family: var(--mono);
  font-stretch: 80%;
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brass);
}
.mbar button {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--bone-3);
}
.mbar button:hover {
  color: var(--bone);
  background: rgba(255, 230, 190, 0.06);
}
.mbody {
  padding: 28px;
}
.mbody h3 {
  font-size: 2.2rem;
  margin-bottom: 6px;
}
.msub {
  font-family: var(--mono);
  font-stretch: 80%;
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  color: var(--bone-3);
  margin-bottom: 22px;
  text-transform: uppercase;
}
.mrow {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 18px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.mrow .k {
  font-family: var(--mono);
  font-stretch: 80%;
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
  padding-top: 4px;
}
.mrow .v {
  color: var(--bone-2);
  font-size: 0.96rem;
  line-height: 1.66;
}
.mrow .v b {
  color: var(--bone);
  font-weight: 600;
}

/* ---------------- toast, loader, footer ---------------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--kb-space, var(--keybed-h)) + 16px);
  z-index: 150;
  transform: translate(-50%, 8px);
  opacity: 0;
  pointer-events: none;
  max-width: min(560px, 90vw);
  text-align: center;
  padding: 12px 18px;
  border-radius: 11px;
  font-family: var(--mono);
  font-stretch: 82%;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--bone);
  background: linear-gradient(180deg, #2a1d14, #1b120d);
  box-shadow:
    inset 0 0 0 1px var(--brass-lo),
    0 16px 40px -12px #000;
  transition:
    opacity 0.3s,
    transform 0.4s var(--ease);
}
.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

#loader {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: grid;
  place-items: center;
  background: var(--ebony);
  transition:
    opacity 0.5s ease,
    visibility 0.5s;
}
#loader.gone {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.ld {
  width: min(380px, 80vw);
  text-align: center;
}
.ld img {
  width: 100%;
  height: auto;
}
.ld-string {
  position: relative;
  height: 40px;
  margin: 6px 0 14px;
}
.ld-string::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--brass) 10%,
    var(--brass-hi) 50%,
    var(--brass) 90%,
    transparent
  );
}
.ld-string i {
  position: absolute;
  left: 10%;
  right: 10%;
  top: 50%;
  height: 24px;
  margin-top: -12px;
  border-top: 2px solid var(--brass-hi);
  border-radius: 50%;
  animation: ldv 0.16s ease-in-out infinite alternate;
  filter: drop-shadow(0 0 6px rgba(214, 162, 74, 0.5));
}
@keyframes ldv {
  from {
    transform: scaleY(0.15);
  }
  to {
    transform: scaleY(-1);
  }
}
.ld p {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bone-3);
}

.foot {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--line);
  padding: 30px clamp(16px, 4vw, 56px) 34px;
  display: grid;
  gap: 8px;
}
.foot p {
  font-family: var(--mono);
  font-stretch: 80%;
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bone-3);
}
.foot .credits {
  text-transform: none;
  letter-spacing: 0.02em;
  line-height: 1.7;
  max-width: 110ch;
}
.foot a {
  color: var(--bone-2);
}

/* ---------------- layout: desktop rail vs drawer ---------------- */
@media (min-width: 1040px) {
  #app {
    padding-left: var(--rail-w);
  }
  #keybed {
    left: var(--rail-w);
  }
}
@media (max-width: 1039px) {
  #rail {
    transform: translateX(-102%);
  }
  body.nav #rail {
    transform: none;
  }
  body.nav #scrim {
    opacity: 1;
    pointer-events: auto;
  }
  #menuBtn {
    display: grid;
  }
  .bar-logo {
    display: block;
  }
  .crumb {
    display: none;
  }
  #bar {
    justify-content: space-between;
  }
}
@media (max-width: 960px) {
  .grid2,
  .grid2.even {
    grid-template-columns: minmax(0, 1fr);
  }
  .fb-decal {
    display: none;
  }
}
@media (max-width: 720px) {
  :root {
    --keybed-h: 158px;
    --bar-h: 58px;
  }
  #bar {
    gap: 8px;
    padding: 0 12px;
  }
  .bar-logo img {
    height: 28px;
  }
  .rig {
    gap: 8px;
  }
  .voice-plate {
    height: 36px;
    padding: 0 10px 0 12px;
  }
  .vp-k {
    display: none;
  }
  .voice-plate select {
    max-width: 120px;
    font-size: 0.92rem;
  }
  .knob,
  #roomKnob + .knob-lbl {
    display: none;
  }
  .knob-wrap:has(#roomKnob) {
    display: none;
  }
  .view {
    padding: 30px 0 56px;
  }
  .panel {
    padding: 20px;
  }
  .mbody {
    padding: 20px;
  }
  .mrow {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .fallboard {
    gap: 4px;
    padding: 0 8px;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .fallboard::-webkit-scrollbar {
    display: none;
  }
  .fb-now span {
    display: none;
  }
  .fb-sep {
    margin: 0 2px;
  }
}
@media (max-width: 460px) {
  .knob-wrap {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ================================================================
   HOME
   ================================================================ */
.lede {
  color: var(--bone-2);
  font-size: 1.1rem;
  line-height: 1.65;
  max-width: 54ch;
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
  gap: clamp(28px, 4vw, 64px);
  align-items: center;
  padding: 10px 0 70px;
}
.hero h1 {
  font-size: clamp(3.1rem, 5.8vw, 5.6rem);
  line-height: 0.9;
  letter-spacing: -0.02em;
  margin-bottom: 26px;
}
.hero h1 em {
  display: block;
  color: var(--brass);
  font-size: 0.6em;
  line-height: 1.05;
  margin-top: 12px;
  letter-spacing: -0.005em;
}
.hero .lede {
  margin-bottom: 30px;
}
.hero-cta {
  gap: 12px;
}
.hero-keys {
  list-style: none;
  margin-top: 30px;
  display: grid;
  gap: 9px;
  font-size: 0.88rem;
  color: var(--bone-3);
}
kbd {
  display: inline-block;
  min-width: 1.6em;
  padding: 1px 7px 2px;
  margin: 0 2px;
  border-radius: 5px;
  font-family: var(--mono);
  font-stretch: 80%;
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  color: #2c2014;
  text-align: center;
  background: linear-gradient(180deg, #f5eee0, #ddd0b6);
  box-shadow:
    inset 0 -2px 0 #bfae90,
    0 1px 2px rgba(0, 0, 0, 0.5);
}

.board {
  position: relative;
}
.board-top {
  position: relative;
  height: clamp(380px, calc(100vh - var(--bar-h) - var(--keybed-h) - 190px), 590px);
  border-radius: 34px;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(120% 70% at 50% 42%, rgba(255, 235, 190, 0.28), transparent 60%),
    radial-gradient(90% 60% at 50% 100%, rgba(80, 40, 10, 0.35), transparent 70%),
    var(--grain-spruce),
    linear-gradient(90deg, #c69552, #dcb377 18%, #e2bd85 50%, #d6aa6c 82%, #c18c4a);
  background-size:
    auto,
    auto,
    600px 600px,
    auto;
  box-shadow:
    inset 0 0 0 3px #1c0f07,
    inset 0 0 0 6px #e9dcc0,
    inset 0 0 0 7px #2a160a,
    inset 0 0 0 9px #7c4a22,
    inset 0 0 0 10px #1c0f07,
    inset 0 30px 60px -30px rgba(255, 240, 210, 0.4),
    inset 0 -40px 80px -40px rgba(60, 30, 5, 0.6),
    0 40px 80px -40px rgba(0, 0, 0, 0.95),
    0 0 0 1px #000;
}
.board-top::after {
  /* lacquer sheen */
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 6;
  background: linear-gradient(
    115deg,
    transparent 30%,
    rgba(255, 255, 255, 0.09) 42%,
    transparent 52%
  );
}
.fingerboard {
  position: absolute;
  left: 50%;
  top: -2px;
  width: 36%;
  height: 17%;
  transform: translateX(-50%);
  z-index: 2;
  background: var(--grain-v), linear-gradient(90deg, #120a06, #2a1a10 50%, #120a06);
  background-size:
    420px 900px,
    auto;
  border-radius: 0 0 6px 6px;
  box-shadow:
    0 10px 18px -6px rgba(0, 0, 0, 0.6),
    inset 0 -2px 0 rgba(255, 230, 190, 0.12);
}
.fingerboard i {
  position: absolute;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(180deg, #fbf7ee, #b7b2a6 60%, #5b5850);
  box-shadow: 0 2px 2px rgba(0, 0, 0, 0.7);
}
.fingerboard i:nth-child(1) {
  top: 26%;
}
.fingerboard i:nth-child(2) {
  top: 58%;
}
.fingerboard i:nth-child(3) {
  top: 86%;
}
.fingerboard b {
  position: absolute;
  left: 50%;
  top: 40%;
  width: 12px;
  height: 12px;
  margin-left: -6px;
  border-radius: 50%;
  background: var(--abalone);
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.5),
    0 0 10px rgba(169, 220, 201, 0.4);
}
.pickguard {
  position: absolute;
  left: 58%;
  top: 40%;
  width: 25%;
  height: 33%;
  z-index: 1;
  border-radius: 20% 80% 70% 30% / 20% 45% 55% 80%;
  transform: rotate(-8deg);
  opacity: 0.92;
  background:
    radial-gradient(circle at 30% 30%, rgba(210, 120, 40, 0.7), transparent 22%),
    radial-gradient(circle at 70% 55%, rgba(170, 80, 20, 0.6), transparent 25%),
    radial-gradient(circle at 45% 75%, rgba(220, 140, 60, 0.55), transparent 20%),
    radial-gradient(circle at 80% 20%, rgba(140, 60, 15, 0.6), transparent 22%),
    linear-gradient(135deg, #3a1a0a, #200c04);
  box-shadow:
    0 2px 6px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(255, 220, 170, 0.25);
}
.rosette {
  position: absolute;
  left: 50%;
  top: 42%;
  width: 48%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  z-index: 2;
  background: radial-gradient(
    circle closest-side,
    transparent 0 69%,
    #140a04 69% 71.2%,
    #efe2c3 71.2% 72.4%,
    #140a04 72.4% 74%,
    transparent 74% 90.5%,
    #140a04 90.5% 92.3%,
    #efe2c3 92.3% 93.4%,
    #140a04 93.4% 95%,
    transparent 95%
  );
}
.rosette::before {
  /* the mosaic ring, laid in tiny tiles */
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: repeating-conic-gradient(
    #3b1f0f 0 2deg,
    #e8d4a8 2deg 3deg,
    #7a3d19 3deg 5deg,
    #efe2c3 5deg 6deg,
    #231208 6deg 8deg
  );
  -webkit-mask: radial-gradient(
    circle closest-side,
    transparent 0 74%,
    #000 74% 90.5%,
    transparent 90.5%
  );
  mask: radial-gradient(circle closest-side, transparent 0 74%, #000 74% 90.5%, transparent 90.5%);
}
.rosette::after {
  /* abalone ring */
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--abalone);
  animation: shimmer 9s linear infinite;
  -webkit-mask: radial-gradient(
    circle closest-side,
    transparent 0 80%,
    #000 80% 85%,
    transparent 85%
  );
  mask: radial-gradient(circle closest-side, transparent 0 80%, #000 80% 85%, transparent 85%);
}
.hole {
  position: absolute;
  inset: 15.5%;
  width: 69%;
  height: 69%;
  border-radius: 50%;
  z-index: 1;
  background: radial-gradient(circle at 50% 40%, #24170e, #0a0604 55%, #030201);
  box-shadow:
    inset 0 10px 30px rgba(0, 0, 0, 0.9),
    inset 0 -2px 0 rgba(255, 220, 170, 0.08);
}
.bridge {
  position: absolute;
  left: 50%;
  top: 80%;
  width: 50%;
  height: 10%;
  transform: translateX(-50%);
  z-index: 2;
  background: var(--grain-h), linear-gradient(180deg, #3b1f12, #1f0f08);
  background-size:
    900px 420px,
    auto;
  border-radius: 38% 38% 44% 44% / 60% 60% 40% 40%;
  box-shadow:
    0 6px 12px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 220, 170, 0.15);
}
.saddle {
  position: absolute;
  left: 18%;
  right: 18%;
  top: 22%;
  height: 5px;
  border-radius: 3px;
  background: linear-gradient(180deg, #fffaf0, #d7cbb2);
  box-shadow: 0 2px 2px rgba(0, 0, 0, 0.5);
}
.bridge span {
  position: absolute;
  left: 23%;
  right: 23%;
  top: 56%;
  display: flex;
  justify-content: space-between;
}
.bridge span i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, #fff, #d9d2c2 60%, #8f8674);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.7);
}
.board-strings {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 4;
  touch-action: none;
  cursor:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='30'%3E%3Cdefs%3E%3CradialGradient id='t' cx='.35' cy='.3'%3E%3Cstop offset='0' stop-color='%23d9893a'/%3E%3Cstop offset='.5' stop-color='%23803c14'/%3E%3Cstop offset='1' stop-color='%23321405'/%3E%3C/radialGradient%3E%3C/defs%3E%3Cpath d='M14 28C8 23 2 13 3 8S24 1 25 8 20 23 14 28Z' fill='url(%23t)' stroke='%23150800' stroke-width='1.2'/%3E%3Cpath d='M9 7c3-2 8-2 11 0' stroke='%23f3c58a' stroke-opacity='.5' fill='none'/%3E%3C/svg%3E")
      14 27,
    pointer;
}
.board-shape {
  position: absolute;
  left: 22px;
  top: 22px;
  width: 64px;
  height: 56px;
  z-index: 5;
  padding: 0;
  overflow: visible;
}
.board-shape line {
  stroke: #3a2412;
  stroke-width: 1;
}
.board-shape line.nutl {
  stroke-width: 3;
}
.board-shape circle {
  fill: #2a1709;
}
.board-shape circle.o {
  fill: none;
  stroke: #2a1709;
  stroke-width: 1.1;
}
.board-shape text {
  font-family: var(--mono);
  font-size: 8px;
  fill: #6a2a1a;
  text-anchor: middle;
}
.board-shape text.fr {
  fill: #3a2412;
  font-size: 7px;
}
.board-cap {
  margin-top: 18px;
  display: grid;
  gap: 14px;
}
.board-read {
  display: flex;
  align-items: baseline;
  gap: 14px;
  min-height: 36px;
}
.board-read b {
  font-family: var(--display);
  font-weight: 400;
  font-size: 2rem;
  color: var(--brass-hi);
  line-height: 1;
}
.board-read span {
  font-family: var(--mono);
  font-stretch: 80%;
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  color: var(--bone-3);
}
.chordbar {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 7px;
}
.chordbar button {
  display: grid;
  justify-items: center;
  gap: 2px;
  padding: 10px 4px 9px;
  border-radius: 10px;
  color: #2a1b0c;
  background: linear-gradient(180deg, #f6efe1, #dfd2b9);
  box-shadow:
    inset 0 -4px 0 #c5b597,
    0 3px 6px rgba(0, 0, 0, 0.55);
  transition:
    transform 0.12s var(--ease),
    box-shadow 0.12s,
    background 0.2s;
}
.chordbar button:hover {
  transform: translateY(-1px);
}
.chordbar button:active {
  transform: translateY(2px);
  box-shadow:
    inset 0 -1px 0 #c5b597,
    0 1px 2px rgba(0, 0, 0, 0.5);
}
.chordbar button[aria-pressed="true"] {
  background: linear-gradient(180deg, #f5d692, #d8a34c);
  box-shadow:
    inset 0 -4px 0 #a8792c,
    0 4px 14px rgba(214, 162, 74, 0.45);
}
.chordbar b {
  font-family: var(--display);
  font-weight: 400;
  font-size: 1.35rem;
  line-height: 1;
}
.chordbar i {
  font-style: normal;
  font-family: var(--mono);
  font-stretch: 78%;
  font-size: 0.56rem;
  letter-spacing: 0.08em;
  opacity: 0.7;
}
.board-opts {
  gap: 10px;
}
.seg-sm button {
  min-height: 32px;
  padding: 0 12px;
  font-size: 0.8rem;
}

.series-sec,
.third {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 4vw, 60px);
  align-items: center;
  padding: 64px 0;
  border-top: 1px solid var(--line);
}
.series-sec h2,
.third h2,
.rooms h2 {
  font-size: clamp(2.2rem, 4.6vw, 3.6rem);
  margin-bottom: 18px;
}
.series-sec h2 em,
.third h2 em,
.rooms h2 em {
  color: var(--brass);
}
.third h2 em {
  display: block;
}
.series-sec .lede,
.third .lede {
  margin-bottom: 24px;
}
.series-why {
  margin-top: 20px;
  min-height: 4.6em;
  padding: 12px 16px;
  border-left: 2px solid var(--verdigris);
  background: rgba(8, 6, 4, 0.5);
  border-radius: 0 10px 10px 0;
  color: var(--bone);
  font-size: 0.95rem;
}
.series-inst {
  border-radius: 18px;
  padding: 18px;
  background: linear-gradient(180deg, #1c130d, #120c09);
  box-shadow:
    inset 0 0 0 1px var(--line),
    0 30px 60px -36px #000;
}
.series-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}
.series-head b {
  font-family: var(--mono);
  font-stretch: 82%;
  font-weight: 400;
  font-size: 0.72rem;
  color: var(--bone);
}
.series-head b em {
  font-style: normal;
  color: var(--bone-3);
  padding: 0 3px;
}
.series-head .off,
.series-keys i.off {
  color: #e79a86;
}
#seriesCv {
  display: block;
  width: 100%;
  height: 170px;
}
.series-keys {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 5px;
}
.series-keys button {
  display: grid;
  justify-items: center;
  gap: 1px;
  padding: 8px 2px 7px;
  border-radius: 9px;
  background: #1a120c;
  box-shadow: inset 0 0 0 1px var(--line);
  transition:
    box-shadow 0.2s,
    background 0.2s,
    transform 0.15s var(--ease);
  min-height: 50px;
}
.series-keys button:hover {
  box-shadow: inset 0 0 0 1px var(--brass-lo);
}
.series-keys button[aria-pressed="true"] {
  background: rgba(214, 162, 74, 0.14);
  box-shadow: inset 0 0 0 1px var(--brass);
  transform: translateY(-2px);
}
.series-keys b {
  font-family: var(--display);
  font-weight: 400;
  font-size: 1.15rem;
  line-height: 1;
}
.series-keys span {
  font-family: var(--mono);
  font-stretch: 78%;
  font-size: 0.56rem;
  color: var(--brass);
}
.series-keys i {
  font-style: normal;
  font-family: var(--mono);
  font-stretch: 75%;
  font-size: 0.5rem;
  color: var(--bone-3);
  white-space: nowrap;
}

.third-score {
  padding: 26px;
  border-radius: 18px;
  background: #efe5d0;
  color: #2a1c0e;
  box-shadow:
    0 30px 60px -30px #000,
    inset 0 0 0 1px rgba(0, 0, 0, 0.2);
  background-image: var(--noise);
}
.third-notes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  text-align: center;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(60, 40, 20, 0.25);
}
.third-notes b {
  display: block;
  font-family: var(--display);
  font-weight: 400;
  font-size: 3.6rem;
  line-height: 1;
}
.third-notes span {
  font-family: var(--mono);
  font-stretch: 78%;
  font-size: 0.58rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.65;
}
.third-notes .moving b {
  color: #a4661c;
}
.third-ruler {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  padding: 20px 0 10px;
  text-align: center;
}
.third-ruler span {
  font-family: var(--mono);
  font-size: 0.7rem;
  opacity: 0.4;
  transition: opacity 0.3s;
}
.third-ruler i {
  display: block;
  width: 14px;
  height: 14px;
  margin: 10px auto 0;
  border-radius: 50%;
  border: 1.5px solid currentColor;
  transition:
    background 0.3s,
    transform 0.3s var(--spring);
}
.third-ruler .on {
  opacity: 1;
  color: #a4661c;
}
.third-ruler .on i {
  background: currentColor;
  transform: scale(1.2);
}
.third-score .note-txt {
  color: #3c2a18;
  margin: 8px 0 12px;
}
.third-score .hint {
  color: #6d5840;
}

.rooms {
  padding: 44px 0 20px;
  border-top: 1px solid var(--line);
}
.rooms-head .eyebrow {
  margin-bottom: 10px;
}
.index {
  list-style: none;
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 36px;
}
.index a {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 12px;
  padding: 13px 4px;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}
.index .ix-n {
  font-family: var(--display);
  font-size: 1.05rem;
  color: var(--brass-lo);
  transition: color 0.3s;
}
.index .ix-t b {
  display: block;
  font-family: var(--display);
  font-weight: 400;
  font-size: 1.55rem;
  line-height: 1.1;
  color: var(--bone);
  transition:
    transform 0.45s var(--ease),
    color 0.3s;
}
.index .ix-t small {
  display: none;
}
.index .ix-lead {
  display: none;
}
.index .ix-sub {
  font-family: var(--mono);
  font-stretch: 78%;
  font-size: 0.56rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone-3);
  white-space: nowrap;
  text-align: right;
}
.index a:hover .ix-t b,
.index a:focus-visible .ix-t b {
  transform: translateX(6px);
  color: var(--brass-hi);
}
.index a:hover .ix-n {
  color: var(--brass-hi);
}
.hero-more {
  display: inline-block;
  margin-top: 22px;
  font-family: var(--display);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--brass);
  text-decoration: none;
  border-bottom: 1px solid rgba(214, 162, 74, 0.35);
}
.hero-more:hover {
  color: var(--brass-hi);
  border-color: var(--brass-hi);
}

.progress-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(160px, 260px) auto;
  gap: 18px;
  align-items: center;
  margin: 22px 0 10px;
  padding: 16px 20px;
  border-radius: 14px;
  background: rgba(20, 13, 9, 0.75);
  box-shadow: inset 0 0 0 1px var(--line);
}
.progress-band a {
  text-decoration: none;
}
.pb-next b {
  display: block;
  font-family: var(--display);
  font-weight: 400;
  font-size: 1.35rem;
  line-height: 1.15;
  margin-top: 2px;
  color: var(--bone);
}
.pb-next:hover b {
  color: var(--brass-hi);
}
.pb-stat {
  text-align: right;
}
.pb-stat b {
  display: block;
  font-family: var(--display);
  font-weight: 400;
  font-size: 1.6rem;
  line-height: 1;
  margin-top: 2px;
}
.pb-frets {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  height: 22px;
  border-radius: 4px;
  overflow: hidden;
  background: #140c08;
  box-shadow: inset 0 0 0 1px var(--line);
}
.pb-frets i {
  position: relative;
  border-right: 2px solid #8a6a3a;
}
.pb-frets i:last-child {
  border-right: 0;
}
.pb-frets i.on::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 8px;
  height: 8px;
  margin: -4px 0 0 -4px;
  border-radius: 50%;
  background: var(--abalone);
  box-shadow: 0 0 8px rgba(169, 220, 201, 0.5);
}

@media (max-width: 1100px) {
  .hero,
  .series-sec,
  .third {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero {
    padding-bottom: 40px;
  }
  .board-top {
    height: clamp(420px, 70vw, 560px);
  }
}
@media (max-width: 720px) {
  .hero h1 {
    font-size: clamp(2.9rem, 14vw, 4.4rem);
  }
  .chordbar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .board-top {
    border-radius: 24px;
    height: 118vw;
    max-height: 520px;
  }
  .index {
    grid-template-columns: minmax(0, 1fr);
  }
  .index a {
    grid-template-columns: 30px minmax(0, 1fr) auto;
    padding: 11px 2px;
  }
  .index .ix-t b {
    font-size: 1.3rem;
  }
  .index .ix-sub {
    display: none;
  }
  .progress-band {
    grid-template-columns: minmax(0, 1fr) auto;
  }
  .progress-band .pb-frets {
    grid-column: 1 / -1;
    grid-row: 2;
  }
  /* phones: the soundboard comes straight after the headline */
  .hero {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding-bottom: 20px;
  }
  .hero-copy {
    display: contents;
  }
  .hero-copy .eyebrow {
    order: 1;
  }
  .hero h1 {
    order: 2;
    margin-bottom: 18px;
  }
  .board {
    order: 3;
    margin-bottom: 22px;
  }
  .hero .lede {
    order: 4;
    font-size: 1rem;
    margin-bottom: 18px;
  }
  .hero-cta {
    order: 5;
  }
  .hero-keys {
    order: 6;
    margin-top: 18px;
  }
  .hero-more {
    order: 7;
  }
  .series-keys {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .third-notes b {
    font-size: 2.8rem;
  }
}

/* ================================================================
   SHARED VIEW PIECES: manuscript staff, neck
   ================================================================ */
.staffbox {
  margin-top: 16px;
  padding: 8px 10px;
  border-radius: 10px;
  overflow-x: auto;
  background: var(--noise), linear-gradient(180deg, #f1e7d2, #e7dbc1);
  box-shadow:
    inset 0 0 0 1px rgba(60, 40, 20, 0.25),
    inset 0 2px 8px rgba(80, 50, 20, 0.15),
    0 10px 24px -14px #000;
}
.staff {
  display: block;
  width: auto;
  height: 118px;
  max-width: 100%;
}
.staff .sl {
  stroke: #6b5a44;
  stroke-width: 1;
}
.staff .sl.bar {
  stroke-width: 2.2;
}
.staff .clef {
  font-family: "Noto Music", "Bravura", "Segoe UI Symbol", serif;
  font-size: 44px;
  fill: #3a2716;
}
.staff .clef.bass {
  font-size: 32px;
}
.staff .acc {
  font-family: "Noto Music", "Segoe UI Symbol", serif;
  font-size: 17px;
  fill: #3a2716;
  text-anchor: middle;
}
.staff .head {
  fill: #22160b;
}
.staff .hole {
  fill: #ece1ca;
}
.staff .nt {
  transition: transform 0.25s var(--spring);
  transform-box: fill-box;
  transform-origin: center;
}
.staff .nt.lit .head {
  fill: #b5741f;
}
.staff .nt.lit .acc {
  fill: #b5741f;
}

.neckbox {
  margin-top: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
}
.fbneck {
  display: block;
  width: 100%;
  min-width: 720px;
  height: auto;
}
.nk-wood {
  fill: #2a170d;
  stroke: #0a0503;
  stroke-width: 2;
}

.nk-fret {
  stroke: #cfc6b4;
  stroke-width: 2.4;
  opacity: 0.85;
}
.nk-nut {
  fill: #efe6d3;
}
.nk-inlay {
  fill: #d9d7cc;
  opacity: 0.55;
}
.nk-str {
  stroke: #b8ad98;
  opacity: 0.8;
}
.nk-open {
  font-family: var(--mono);
  font-size: 11px;
  fill: var(--bone-3);
  text-anchor: middle;
}
.nk-num {
  font-family: var(--mono);
  font-size: 10px;
  fill: var(--bone-3);
  text-anchor: middle;
}
.nk-dot {
  cursor: pointer;
}
.nk-dot circle {
  fill: #efe6d3;
  stroke: #1a0f08;
  stroke-width: 1.2;
  transition: transform 0.2s var(--spring);
  transform-box: fill-box;
  transform-origin: center;
}
.nk-dot text {
  font-family: var(--mono);
  font-size: 9.5px;
  fill: #1e140b;
  text-anchor: middle;
  pointer-events: none;
}
.nk-dot.root circle {
  fill: #7fc5b2;
}
.nk-dot:hover circle {
  transform: scale(1.18);
}
.neck-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 22px;
}
.neck-head .chips-scroll {
  flex: 1;
  min-width: 0;
}
.neck-head .chip {
  min-height: 30px;
  font-size: 0.78rem;
}

/* ================================================================
   THE BENCH
   ================================================================ */
.bench-tabs {
  margin-bottom: 20px;
}
.bench-grid {
  display: grid;
  grid-template-columns: minmax(250px, 320px) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}
.pick-col {
  position: sticky;
  top: calc(var(--bar-h) + 16px);
  max-height: calc(100vh - var(--bar-h) - var(--keybed-h) - 32px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--line-2) transparent;
}
.pick-col .keypick {
  margin: 10px 0 20px;
}
.scats {
  display: grid;
  gap: 16px;
}
.scat .plabel {
  display: block;
  margin-bottom: 8px;
}
.scat .row {
  gap: 6px;
}
.scat .chip {
  min-height: 32px;
  font-size: 0.82rem;
  padding: 0 11px;
}
.mood-key {
  margin-top: 18px;
  display: flex;
  gap: 12px;
  align-items: center;
}
.mood-key .dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c);
  margin-right: 4px;
}
.explain .note-txt {
  font-size: 0.98rem;
}
.prog-steps .deg {
  min-width: 86px;
}

.circle-grid {
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
}
.cof-panel {
  padding: 18px;
}
.cof-wrap {
  max-width: 520px;
  margin: 0 auto;
}
.cof {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}
.cof-rot {
  transform-origin: 200px 200px;
  transition: transform 0.9s var(--ease);
}
.cof .lbl {
  transform-box: fill-box;
  transform-origin: center;
  transition: transform 0.9s var(--ease);
}
.cof .seg {
  cursor: pointer;
}
.cof .maj-seg {
  fill: #2a1a10;
  stroke: #0e0906;
  stroke-width: 1.5;
  transition: fill 0.3s;
}
.cof .maj-seg.alt {
  fill: #33200f;
}
.cof .min-seg {
  fill: #1c120b;
  stroke: #0e0906;
  stroke-width: 1.5;
  transition: fill 0.3s;
}
.cof .min-seg.alt {
  fill: #22160d;
}
.cof .seg:hover .maj-seg {
  fill: #4a3019;
}
.cof .seg.dia .maj-seg {
  fill: #8a6327;
}
.cof .seg.dia .min-seg {
  fill: #5b4120;
}
.cof .seg.on .maj-seg {
  fill: #d6a24a;
}
.cof .seg.on .min-seg {
  fill: #a57b33;
}
.cof .t-maj {
  font-family: var(--display);
  font-size: 23px;
  fill: var(--bone);
  text-anchor: middle;
  pointer-events: none;
}
.cof .t-min {
  font-family: var(--mono);
  font-size: 11px;
  fill: var(--bone-2);
  text-anchor: middle;
  pointer-events: none;
}
.cof .seg.on .t-maj {
  fill: #1e1308;
}
.cof .seg.on .t-min,
.cof .seg.dia .t-min {
  fill: #f3e5c8;
}
.cof-hub {
  fill: #120c08;
  stroke: #6f5225;
  stroke-width: 2;
}
.cof .t-hub {
  font-family: var(--display);
  font-size: 44px;
  fill: var(--brass-hi);
  text-anchor: middle;
}
.cof .t-hub2 {
  font-family: var(--mono);
  font-size: 11px;
  fill: var(--bone-3);
  text-anchor: middle;
}
.cof-pointer {
  fill: var(--brass-hi);
}

@media (max-width: 960px) {
  .bench-grid,
  .circle-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .pick-col {
    position: static;
    max-height: none;
  }
}

/* ================================================================
   CHORD BOOK
   ================================================================ */
.cb-controls {
  display: grid;
  gap: 16px;
  margin-bottom: 26px;
}
.cb-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.cb-row > .plabel {
  min-width: 80px;
}
.cb-row .keypick {
  flex: 1;
  max-width: 420px;
  height: 72px;
}
.cb-title {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.cb-title h3 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  color: var(--brass-hi);
}
.cb-title p {
  font-family: var(--mono);
  font-stretch: 80%;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--bone-2);
}
.cb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}
.cb-card {
  padding: 18px 16px 16px;
  border-radius: 16px;
  text-align: center;
  background: linear-gradient(180deg, #1d140e, #140d09);
  box-shadow:
    inset 0 0 0 1px var(--line),
    0 24px 40px -30px #000;
  display: grid;
  gap: 10px;
  justify-items: center;
}
.cdia {
  width: 100%;
  max-width: 230px;
  height: auto;
  overflow: visible;
}
.cd-wood {
  fill: #2b1a10;
}
.cd-fret {
  stroke: #d9d3c6;
  stroke-width: 2.2;
}
.cd-nut {
  fill: #f1e9d8;
}
.cd-str {
  stroke: #c2b69d;
}
.cd-str.vib {
  animation: vib 0.9s ease-out;
}
@keyframes vib {
  0%,
  100% {
    transform: none;
  }
  10%,
  30%,
  50%,
  70% {
    transform: translateX(1.3px);
  }
  20%,
  40%,
  60%,
  80% {
    transform: translateX(-1.3px);
  }
}
.cd-inlay {
  fill: #d9d7cc;
  opacity: 0.35;
}
.cd-dot {
  fill: #f1e9d8;
  stroke: #140c07;
  stroke-width: 1.4;
}
.cd-dot.root {
  fill: #7fc5b2;
}
.cd-barre {
  fill: #f1e9d8;
  opacity: 0.85;
  stroke: #140c07;
}
.cd-fi {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  fill: #1b120a;
  text-anchor: middle;
}
.cd-x {
  font-family: var(--mono);
  font-size: 15px;
  fill: var(--oxblood);
  text-anchor: middle;
}
.cd-o {
  fill: none;
  stroke: var(--verdigris);
  stroke-width: 2;
}
.cd-base {
  font-family: var(--mono);
  font-size: 12px;
  fill: var(--bone-2);
  text-anchor: end;
}
.cd-nm {
  font-family: var(--mono);
  font-size: 10px;
  fill: var(--bone-3);
  text-anchor: middle;
}
.cb-strum {
  justify-content: center;
}

/* ================================================================
   EAR TRAINING
   ================================================================ */
.ear-tabs {
  margin-bottom: 18px;
}
.ear-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 16px;
  align-items: start;
}
.ear-station {
  text-align: center;
  padding: 30px;
}
.ear-mode {
  margin-bottom: 18px;
}
.ear-staff {
  max-width: 320px;
  margin: 0 auto 10px;
}
.ear-staff .staff {
  margin: 0 auto;
}
.ear-play {
  position: relative;
  width: 150px;
  height: 150px;
  margin: 6px auto 8px;
  display: block;
  border-radius: 50%;
}
.ep-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background:
    radial-gradient(
      circle closest-side,
      transparent 0 68%,
      #140a04 68% 70%,
      #efe2c3 70% 71.5%,
      #140a04 71.5% 73%,
      transparent 73% 90%,
      #140a04 90% 92%,
      #efe2c3 92% 93%,
      #140a04 93% 95%,
      transparent 95%
    ),
    repeating-conic-gradient(
      #3b1f0f 0 3deg,
      #e8d4a8 3deg 4deg,
      #7a3d19 4deg 7deg,
      #231208 7deg 9deg
    );
  -webkit-mask: radial-gradient(circle closest-side, transparent 0 66%, #000 66%);
  mask: radial-gradient(circle closest-side, transparent 0 66%, #000 66%);
  box-shadow: 0 16px 40px -14px #000;
  transition: transform 0.4s var(--ease);
}
.ep-hole {
  position: absolute;
  inset: 17%;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--brass-hi);
  background: radial-gradient(circle at 50% 40%, #2a1b10, #070403 70%);
  box-shadow: inset 0 8px 20px #000;
  transition: color 0.2s;
}
.ear-play:hover .ep-ring {
  transform: rotate(18deg);
}
.ear-play:hover .ep-hole {
  color: #fff3d0;
}
.ear-play.pulse .ep-hole {
  animation: epulse 0.9s var(--ease);
}
@keyframes epulse {
  0% {
    box-shadow:
      inset 0 8px 20px #000,
      0 0 0 0 rgba(214, 162, 74, 0.55);
  }
  100% {
    box-shadow:
      inset 0 8px 20px #000,
      0 0 0 26px rgba(214, 162, 74, 0);
  }
}
.ear-prompt {
  font-family: var(--display);
  font-style: italic;
  font-size: 1.35rem;
  color: var(--bone-2);
  margin-bottom: 18px;
}
.ear-answers {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 8px;
  text-align: left;
}
.ear-answers button {
  position: relative;
  min-height: 50px;
  padding: 10px 12px 10px 38px;
  border-radius: 10px;
  font-size: 0.92rem;
  color: #2a1b0c;
  background: linear-gradient(180deg, #f3ebdb, #ddd0b5);
  box-shadow:
    inset 0 -4px 0 #c5b597,
    0 3px 6px rgba(0, 0, 0, 0.5);
  transition:
    transform 0.12s var(--ease),
    background 0.25s;
}
.ear-answers button:hover {
  transform: translateY(-2px);
}
.ear-answers button kbd {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  min-width: 20px;
  padding: 0 4px;
  font-size: 0.56rem;
  background: rgba(60, 40, 20, 0.12);
  box-shadow: none;
  color: #6a5438;
}
.ear-answers button.right {
  background: linear-gradient(180deg, #a6e0d0, #5fb3a0);
  box-shadow:
    inset 0 -4px 0 #3d8a78,
    0 0 22px rgba(99, 185, 166, 0.45);
}
.ear-answers button.wrong {
  background: linear-gradient(180deg, #e8a09c, #c0514f);
  box-shadow: inset 0 -4px 0 #8a3230;
  color: #2a0806;
  animation: shake 0.4s;
}
@keyframes shake {
  25% {
    transform: translateX(-4px);
  }
  75% {
    transform: translateX(4px);
  }
}
.ear-msg {
  min-height: 3.2em;
  margin-top: 18px;
  color: var(--bone-2);
  font-size: 0.98rem;
}
.ear-msg b {
  color: var(--bone);
}
.ear-after {
  justify-content: center;
}
.ear-side {
  display: grid;
  gap: 14px;
}
.plates {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.plate {
  padding: 14px;
  border-radius: 12px;
  text-align: center;
  background: linear-gradient(180deg, #e7c276, #b9893a);
  color: #2a1a08;
  box-shadow:
    inset 0 1px 0 rgba(255, 245, 215, 0.7),
    inset 0 -2px 0 rgba(80, 45, 5, 0.35),
    0 8px 18px -10px #000;
}
.plate .plabel {
  color: rgba(42, 26, 8, 0.7);
}
.plate b {
  display: block;
  font-family: var(--display);
  font-weight: 400;
  font-size: 2.4rem;
  line-height: 1.05;
}
.plate small {
  font-family: var(--mono);
  font-stretch: 78%;
  font-size: 0.56rem;
  letter-spacing: 0.08em;
  opacity: 0.75;
}
.streak-frets {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  height: 30px;
  margin-top: 8px;
  border-radius: 4px;
  background: #1c110a;
  box-shadow: inset 0 0 0 1px var(--line);
  overflow: hidden;
}
.streak-frets i {
  position: relative;
  border-right: 2px solid #8a6a3a;
}
.streak-frets i:last-child {
  border-right: 0;
}
.streak-frets i.on::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 10px;
  margin: -5px;
  border-radius: 50%;
  background: var(--abalone);
  box-shadow: 0 0 10px rgba(169, 220, 201, 0.6);
  animation: pop 0.4s var(--spring);
}
@keyframes pop {
  from {
    transform: scale(0);
  }
}

/* ================================================================
   RHYTHM ROOM
   ================================================================ */
.rhythm-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  gap: 16px;
  margin-bottom: 16px;
  align-items: start;
}
.metro {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 26px;
  align-items: center;
}
.metro-svg {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 20px 26px rgba(0, 0, 0, 0.7));
}
.m-scale line {
  stroke: #cdbfa3;
  stroke-width: 1;
}
.m-scale text {
  font-family: var(--mono);
  font-size: 7.5px;
  fill: #cdbfa3;
}
.m-pend {
  will-change: transform;
}
.m-brand {
  font-family: var(--display-sc);
  font-size: 11px;
  fill: #e9c47a;
  text-anchor: middle;
  letter-spacing: 3px;
}
.metro-ctl {
  display: grid;
  gap: 16px;
}
.metro-read {
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.metro-read b {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(4rem, 8vw, 6rem);
  line-height: 0.8;
}
.metro-read span {
  font-family: var(--mono);
  font-stretch: 80%;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone-3);
  display: grid;
  gap: 4px;
}
.metro-read i {
  font-family: var(--display);
  font-size: 1.5rem;
  font-style: italic;
  letter-spacing: 0;
  text-transform: none;
  color: var(--brass);
}
.metro-ctl .icon-btn {
  font-size: 1.2rem;
}
.beats {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.bt {
  display: grid;
  justify-items: center;
  gap: 4px;
  width: 38px;
}
.bt i {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #1c120b;
  box-shadow: inset 0 0 0 2px var(--line-2);
  transition:
    transform 0.1s,
    background 0.1s,
    box-shadow 0.1s;
}
.bt span {
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--bone-3);
}
.bt.lv2 i {
  box-shadow: inset 0 0 0 2px var(--brass);
  background: radial-gradient(circle, rgba(214, 162, 74, 0.5) 0 34%, #1c120b 36%);
}
.bt.lv1 i {
  box-shadow: inset 0 0 0 2px var(--brass-lo);
  background: radial-gradient(circle, rgba(214, 162, 74, 0.35) 0 24%, #1c120b 26%);
}
.bt.lv05 i {
  box-shadow: inset 0 0 0 2px var(--line-2);
}
.bt.lv0 i {
  box-shadow: inset 0 0 0 1px var(--line-2);
  transform: scale(0.72);
}
.bt.lv-1 i {
  box-shadow: inset 0 0 0 1px var(--line);
  background: transparent;
  transform: scale(0.5);
  opacity: 0.5;
}
.bt.now i {
  background: var(--brass-hi);
  box-shadow: 0 0 18px rgba(243, 208, 138, 0.75);
  transform: scale(1.12);
}
.bt.lv-1.now i {
  background: transparent;
  box-shadow: inset 0 0 0 1px var(--line);
  transform: scale(0.5);
}

.dm-top {
  display: flex;
  gap: 22px;
  align-items: end;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.dm-top .plabel {
  display: block;
  margin-bottom: 6px;
}
.dm-sliders {
  flex: 1;
  min-width: 260px;
  display: grid;
  gap: 4px;
}
.dm-cats,
.dm-grooves {
  margin-bottom: 6px;
}
.dm-cats .chip,
.dm-grooves .chip {
  min-height: 32px;
  font-size: 0.8rem;
}
.pads {
  display: grid;
  gap: 6px;
  margin-top: 12px;
  overflow-x: auto;
  padding-bottom: 6px;
}
.lane {
  display: grid;
  grid-template-columns: 62px minmax(560px, 1fr);
  gap: 10px;
  align-items: center;
}
.lane-n {
  font-family: var(--mono);
  font-stretch: 80%;
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone-3);
}
.lane-steps {
  display: grid;
  grid-template-columns: repeat(var(--steps), 1fr);
  gap: 4px;
}
.pad {
  height: 38px;
  border-radius: 7px;
  background: linear-gradient(180deg, #2a1d15, #1a110c);
  box-shadow:
    inset 0 0 0 1px #3a2a1f,
    inset 0 2px 3px rgba(0, 0, 0, 0.6);
  transition:
    background 0.12s,
    box-shadow 0.12s,
    transform 0.08s;
}
.pad.beat {
  box-shadow:
    inset 0 0 0 1px #5a4230,
    inset 0 2px 3px rgba(0, 0, 0, 0.6);
}
.pad:active {
  transform: scale(0.94);
}
.pad.on.k {
  background: linear-gradient(180deg, #f0cd83, #c08c38);
}
.pad.on.s {
  background: linear-gradient(180deg, #a6e0d0, #4f9f8c);
}
.pad.on.h {
  background: linear-gradient(180deg, #efe6d3, #bfb299);
}
.pad.on.t {
  background: linear-gradient(180deg, #e8a09c, #a94644);
}
.pad.on.c {
  background: linear-gradient(180deg, #d8b886, #8c6a3c);
}
.pad.cur {
  box-shadow:
    inset 0 0 0 2px var(--bone),
    0 0 14px rgba(242, 233, 216, 0.35);
}
.pad.on.cur {
  transform: scale(1.06);
  filter: brightness(1.25);
}
.lane.ruler i {
  font-family: var(--mono);
  font-size: 0.56rem;
  font-style: normal;
  color: var(--bone-3);
  text-align: left;
}
.dm-foot {
  margin-top: 10px;
}
.dm-note {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 12px;
}

/* ================================================================
   PRACTICE ROOM
   ================================================================ */
.sticking {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  padding: 26px 0 16px;
}
.sk {
  position: relative;
  display: grid;
  place-items: center;
  width: 52px;
  height: 64px;
  border-radius: 10px;
  font-family: var(--display);
  font-size: 2rem;
  color: var(--bone-2);
  background: linear-gradient(180deg, #1f160f, #150e0a);
  box-shadow: inset 0 0 0 1px var(--line);
  transition:
    transform 0.1s var(--ease),
    background 0.1s;
}
.sk.lh {
  color: var(--verdigris);
}
.sk em {
  position: absolute;
  top: 2px;
  font-family: var(--mono);
  font-style: normal;
  font-size: 0.7rem;
  color: var(--brass);
}
.sk.acc {
  box-shadow: inset 0 0 0 1px var(--brass-lo);
}
.sk.grace {
  width: 34px;
  height: 44px;
  font-size: 1.2rem;
  opacity: 0.7;
  align-self: end;
}
.sk.now {
  background: linear-gradient(180deg, #f0cd83, #c08c38);
  color: #21150a;
  transform: translateY(-4px);
  box-shadow: 0 10px 20px -8px rgba(214, 162, 74, 0.7);
}
.rud-list {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}
.rud-list .chip {
  min-height: 32px;
  font-size: 0.8rem;
}
.gap-panel {
  text-align: center;
}
.gap-lamp {
  margin: 6px auto 18px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  display: grid;
  place-content: center;
  gap: 4px;
  background: radial-gradient(circle at 50% 38%, #2a1b12, #0e0906 70%);
  box-shadow:
    inset 0 0 0 3px #3a2a1f,
    inset 0 10px 30px #000,
    0 20px 40px -20px #000;
  transition:
    box-shadow 0.2s,
    background 0.3s;
}
.gap-lamp b {
  font-family: var(--display);
  font-weight: 400;
  font-size: 2.2rem;
}
.gap-lamp span {
  font-family: var(--mono);
  font-stretch: 80%;
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone-3);
}
.gap-lamp.on {
  box-shadow:
    inset 0 0 0 3px var(--brass),
    inset 0 10px 30px #000,
    0 0 40px rgba(214, 162, 74, 0.35);
}
.gap-lamp.off {
  background: radial-gradient(circle at 50% 38%, #10241f, #070b0a 70%);
  box-shadow:
    inset 0 0 0 3px var(--verdigris),
    inset 0 10px 30px #000,
    0 0 40px rgba(99, 185, 166, 0.25);
}
.gap-lamp.off b {
  color: var(--verdigris);
}
.gap-beats {
  justify-content: center;
  margin-bottom: 14px;
}
.poly-panel {
  text-align: center;
}
#polyCv {
  width: min(100%, 420px);
  aspect-ratio: 1;
  height: auto;
  display: block;
  margin: 12px auto;
}
.lad-read {
  text-align: center;
  margin-bottom: 16px;
}
.lad-read b {
  display: block;
  font-family: var(--display);
  font-weight: 400;
  font-size: 3rem;
  line-height: 1.1;
  margin: 8px 0 2px;
}
.lad-read span:last-child {
  font-family: var(--display);
  font-style: italic;
  color: var(--brass);
  font-size: 1.2rem;
}
.lad-steps {
  display: grid;
  gap: 6px;
  margin-bottom: 18px;
}
.lad-rung {
  display: grid;
  grid-template-columns: repeat(var(--n), 1fr) 28px;
  gap: 6px;
  align-items: center;
  padding: 8px 10px;
  border-radius: 10px;
  background: #150e0a;
  box-shadow: inset 0 0 0 1px var(--line);
  transition: box-shadow 0.2s;
}
.lad-rung i {
  height: 12px;
  border-radius: 6px;
  background: #2c1f16;
  transition: background 0.06s;
}
.lad-rung i:first-child {
  background: #4a3522;
}
.lad-rung span {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--bone-3);
  text-align: right;
}
.lad-rung.on {
  box-shadow: inset 0 0 0 1px var(--brass);
}
.lad-rung.on span {
  color: var(--brass-hi);
}
.lad-rung i.now {
  background: var(--brass-hi);
  box-shadow: 0 0 12px rgba(243, 208, 138, 0.6);
}

/* ================================================================
   TUNER & DRONE
   ================================================================ */
.tuner-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 16px;
  align-items: start;
}
.tuner {
  text-align: center;
}
.gauge {
  width: 100%;
  max-width: 460px;
  height: auto;
  display: block;
  margin: 0 auto;
}
.g-num {
  font-family: var(--mono);
  font-size: 10px;
  fill: #3a2716;
  text-anchor: middle;
}
.g-lbl {
  font-family: var(--display);
  font-style: italic;
  font-size: 16px;
  fill: #7a6048;
  text-anchor: middle;
}
#needle {
  transition: transform 0.06s linear;
}
.t-read {
  display: flex;
  justify-content: center;
  align-items: baseline;
  gap: 4px;
  margin-top: -8px;
}
.t-read b {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(4rem, 9vw, 6rem);
  line-height: 1;
  transition:
    color 0.3s,
    text-shadow 0.3s;
}
.t-read span {
  font-family: var(--display);
  font-size: 1.6rem;
  color: var(--bone-3);
}
.tuner.good .t-read b {
  color: var(--verdigris);
  text-shadow: 0 0 30px rgba(99, 185, 166, 0.5);
}
.t-sub {
  font-family: var(--mono);
  font-stretch: 80%;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--bone-2);
  margin-bottom: 14px;
}
.strobe {
  width: 100%;
  height: 34px;
  display: block;
  margin: 0 0 16px;
  border-radius: 8px;
  background: #0f0906;
  box-shadow: inset 0 0 0 1px var(--line);
}
.a4 {
  max-width: 360px;
  margin: 16px auto 0;
}
.strings {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: 6px;
  margin: 16px 0 8px;
}
.tstr {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 2px;
  padding: 14px 4px 34px;
  border-radius: 12px;
  background: linear-gradient(180deg, #1f160f, #150e0a);
  box-shadow: inset 0 0 0 1px var(--line);
  transition:
    box-shadow 0.2s,
    background 0.2s;
  overflow: hidden;
}
.tstr b {
  font-family: var(--display);
  font-weight: 400;
  font-size: 1.8rem;
  line-height: 1;
}
.tstr span {
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--bone-3);
}
.tstr i {
  position: absolute;
  left: 50%;
  bottom: 0;
  top: 70%;
  width: var(--w);
  margin-left: calc(var(--w) / -2);
  background: linear-gradient(90deg, #6a4a22, #f0cf8e, #6a4a22);
}
.tstr.pl i {
  animation: vib 1.2s ease-out;
}
.tstr.near {
  box-shadow:
    inset 0 0 0 1px var(--verdigris),
    0 0 20px rgba(99, 185, 166, 0.25);
  background: linear-gradient(180deg, #16241f, #0e1411);
}
.drone-panel .keypick {
  margin-top: 8px;
}
.tanpura {
  display: flex;
  justify-content: center;
  gap: 22px;
  height: 80px;
  margin: 18px 0 14px;
}
.tanpura i {
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, #f3d08a, #8a6327);
  border-radius: 2px;
}
.tanpura i.pl {
  animation: vib 1.6s ease-out;
  box-shadow: 0 0 10px rgba(243, 208, 138, 0.6);
}

/* ================================================================
   SKETCHPAD
   ================================================================ */
.leadsheet {
  padding: 26px;
}
.ls-head {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.ls-name {
  flex: 1;
  min-width: 200px;
  font-family: var(--display);
  font-size: 2rem;
  color: var(--bone);
  border-bottom: 1px dashed transparent;
  padding: 2px 0;
}
.ls-name:hover,
.ls-name:focus {
  border-bottom-color: var(--line-2);
  outline: none;
}
.ls-meta {
  font-family: var(--mono);
  font-stretch: 80%;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone-3);
}
.bars {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-radius: 12px;
  overflow: hidden;
  background: var(--noise), linear-gradient(180deg, #f1e7d2, #e5d8bd);
  box-shadow:
    0 16px 36px -20px #000,
    inset 0 0 0 1px rgba(60, 40, 20, 0.25);
}
.bar {
  position: relative;
  min-height: 132px;
  padding: 16px 14px 14px;
  text-align: left;
  color: #2a1b0c;
  border-right: 2px solid #5a4630;
  display: grid;
  align-content: start;
  gap: 2px;
  transition: background 0.25s;
}
.bars .bar:nth-child(4n) {
  border-right: 0;
}
.bars-8 .bar:nth-child(-n + 4) {
  border-bottom: 1px solid rgba(60, 40, 20, 0.25);
}
.bar::before {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  top: 72px;
  height: 41px;
  pointer-events: none;
  background: repeating-linear-gradient(180deg, rgba(90, 70, 48, 0.35) 0 1px, transparent 1px 10px);
}
.bar-n {
  font-family: var(--mono);
  font-size: 0.56rem;
  color: #8a7458;
}
.bar b {
  position: relative;
  z-index: 1;
  font-family: var(--display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1;
}
.bar i {
  position: relative;
  z-index: 1;
  font-style: normal;
  font-family: var(--mono);
  font-stretch: 80%;
  font-size: 0.66rem;
  color: #5a4630;
}
.bar small {
  position: absolute;
  left: 14px;
  bottom: 10px;
  font-family: var(--mono);
  font-stretch: 78%;
  font-size: 0.52rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fc);
}
.bar.fT {
  --fc: #2f7e6d;
}
.bar.fS {
  --fc: #9a6a1c;
}
.bar.fD {
  --fc: #a3403e;
}
.bar.fB {
  --fc: #6a5a8a;
}
.bar.fB {
  --fc: #5a6f86;
}
.bar::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 4px;
  background: var(--fc);
  opacity: 0.75;
}
.bar.sel {
  background: rgba(214, 162, 74, 0.22);
  box-shadow: inset 0 0 0 2px #b5741f;
}
.bar:hover {
  background: rgba(214, 162, 74, 0.12);
}
.bar-head {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 3px;
  width: 100%;
  background: #b5741f;
  transform-origin: left;
  transform: scaleX(0);
  opacity: 0;
}
.bar.playing .bar-head {
  opacity: 1;
  animation: sweep var(--dur, 2s) linear forwards;
}
@keyframes sweep {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}
.bar.playing b {
  color: #8a4d0c;
}
.palette {
  display: grid;
  gap: 16px;
  margin-top: 20px;
}
.palette .plabel {
  display: block;
  margin-bottom: 8px;
}
.pal-row {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
}
.pal {
  display: grid;
  justify-items: center;
  min-width: 72px;
  padding: 9px 10px 8px;
  border-radius: 10px;
  background: linear-gradient(180deg, #1f160f, #150e0a);
  box-shadow:
    inset 0 0 0 1px var(--line),
    inset 0 3px 0 var(--fc);
  transition:
    transform 0.15s var(--ease),
    box-shadow 0.2s;
}
.pal:hover {
  transform: translateY(-2px);
  box-shadow:
    inset 0 0 0 1px var(--line-2),
    inset 0 3px 0 var(--fc);
}
.pal b {
  font-family: var(--display);
  font-weight: 400;
  font-size: 1.3rem;
  line-height: 1.1;
}
.pal i {
  font-style: normal;
  font-family: var(--mono);
  font-stretch: 80%;
  font-size: 0.58rem;
  color: var(--bone-3);
}
.pal.fT {
  --fc: #63b9a6;
}
.pal.fS {
  --fc: #d6a24a;
}
.pal.fD {
  --fc: #c0514f;
}
.pal.fB {
  --fc: #8fa9c4;
}
.sk-lower {
  margin-top: 16px;
}
.sk-ctl {
  margin-bottom: 14px;
}
.sk-ctl .keypick {
  margin-top: 8px;
  height: 72px;
}
.romans {
  font-family: var(--display);
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: 0.02em;
}
.fkey {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  align-items: center;
}
.fkey i {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  margin-right: -8px;
  background: var(--fc);
}
.fkey .fT {
  --fc: #63b9a6;
}
.fkey .fS {
  --fc: #d6a24a;
}
.fkey .fD {
  --fc: #c0514f;
}
.fkey .fB {
  --fc: #8fa9c4;
}

/* ================================================================
   AROUND THE WORLD: a crate of 78s
   ================================================================ */
.crate {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 18px;
}
.wcard {
  position: relative;
  display: grid;
  grid-template-rows: 150px auto;
  text-align: left;
  border-radius: 16px;
  overflow: hidden;
  background: linear-gradient(180deg, #1c130d, #130d09);
  box-shadow:
    inset 0 0 0 1px var(--line),
    0 24px 40px -30px #000;
  transition:
    transform 0.35s var(--ease),
    box-shadow 0.3s;
}
.wcard:hover {
  transform: translateY(-4px);
  box-shadow:
    inset 0 0 0 1px var(--line-2),
    0 30px 50px -28px #000;
}
.sleeve {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #2a1d14, #1a110b);
  border-bottom: 1px solid var(--line);
}
.sleeve::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 18px;
  bottom: 0;
  width: 118px;
  border-radius: 6px 6px 0 0;
  background: var(--noise), linear-gradient(180deg, #d8c7a6, #b9a27a);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.6);
  z-index: 2;
}
.sleeve::after {
  content: "";
  position: absolute;
  left: 47px;
  top: 38px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  z-index: 3;
  background: radial-gradient(circle, #0c0908 0 3px, var(--label) 3.5px 70%, #0c0908 71%);
  box-shadow:
    inset 0 2px 5px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(60, 40, 20, 0.35);
}
.disc {
  position: absolute;
  left: 78px;
  top: 4px;
  width: 142px;
  height: 142px;
  border-radius: 50%;
  z-index: 1;
  background: repeating-radial-gradient(circle, #0c0908 0 1.6px, #1b1614 1.6px 2.4px), #0c0908;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.7);
  transition: transform 0.6s var(--ease);
}
.disc::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(
    from 30deg,
    transparent 0 20%,
    rgba(255, 255, 255, 0.08) 25%,
    transparent 32% 70%,
    rgba(255, 255, 255, 0.06) 75%,
    transparent 80%
  );
}
.lbl {
  position: absolute;
  inset: 31%;
  border-radius: 50%;
  background: var(--label);
  display: grid;
  place-content: center;
  text-align: center;
  box-shadow: inset 0 0 0 2px rgba(255, 230, 190, 0.25);
  z-index: 1;
}
.lbl b {
  font-family: var(--display);
  font-weight: 400;
  font-size: 0.76rem;
  color: #f3e5c8;
  line-height: 1;
}
.lbl i {
  font-family: var(--mono);
  font-style: normal;
  font-size: 0.44rem;
  color: rgba(243, 229, 200, 0.7);
  margin-top: 2px;
}
.wcard:hover .disc {
  transform: translateX(84px) rotate(160deg);
}
.wc-body {
  padding: 18px 20px 20px;
  display: grid;
  gap: 8px;
}
.wc-cont {
  font-family: var(--mono);
  font-stretch: 78%;
  font-size: 0.56rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--verdigris);
}
.wcard h4 {
  font-size: 1.7rem;
}
.wcard p {
  color: var(--bone-2);
  font-size: 0.88rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.tagrow {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.tg {
  font-family: var(--mono);
  font-stretch: 78%;
  font-size: 0.56rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 5px;
  box-shadow: inset 0 0 0 1px var(--line-2);
  color: var(--bone-3);
}
.tg.has-rec {
  color: var(--brass-hi);
  box-shadow: inset 0 0 0 1px var(--brass-lo);
}
.world-note {
  margin-top: 22px;
}

.wm-head {
  padding-bottom: 16px;
}
.wm-head h3 {
  font-size: 2.6rem;
  margin: 4px 0 8px;
}
.wm-head p {
  color: var(--bone-2);
}
.wm-h {
  font-family: var(--display);
  font-size: 1.5rem;
  font-weight: 400;
  margin: 26px 0 12px;
}
.recs {
  margin-top: 6px;
}
.rec {
  display: grid;
  grid-template-columns: 46px 64px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px;
  border-radius: 14px;
  margin-bottom: 10px;
  background: rgba(10, 7, 5, 0.5);
  box-shadow: inset 0 0 0 1px var(--line);
}
.rec.on {
  box-shadow:
    inset 0 0 0 1px var(--brass-lo),
    0 0 30px -10px rgba(214, 162, 74, 0.3);
}
.rec-play {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #24170a;
  background: linear-gradient(180deg, #f1cd83, #b1802f);
  box-shadow:
    inset 0 1px 0 rgba(255, 248, 225, 0.75),
    0 6px 14px -6px rgba(214, 162, 74, 0.6);
}
.rec-disc {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: repeating-radial-gradient(circle, #0c0908 0 1.2px, #1f1917 1.2px 2px);
  position: relative;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.6);
}
.rec-disc i {
  position: absolute;
  inset: 32%;
  border-radius: 50%;
  background: var(--label, #7a1f24);
  box-shadow: inset 0 0 0 1px rgba(255, 230, 190, 0.3);
}
.rec-disc i::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 4px;
  height: 4px;
  margin: -2px;
  border-radius: 50%;
  background: #0c0908;
}
.rec.on .rec-disc {
  animation: spin78 0.77s linear infinite;
}
.rec.buffer .rec-disc {
  animation-duration: 3s;
  opacity: 0.7;
}
@keyframes spin78 {
  to {
    transform: rotate(360deg);
  }
}
.rec-main b {
  display: block;
  font-family: var(--display);
  font-weight: 400;
  font-size: 1.3rem;
  line-height: 1.15;
}
.rec-who {
  display: block;
  font-size: 0.86rem;
  color: var(--bone-2);
  margin-top: 2px;
}
.rec-bar {
  height: 16px;
  margin: 10px 0 6px;
  position: relative;
  cursor: pointer;
}
.rec-bar::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 7px;
  height: 2px;
  border-radius: 2px;
  background: var(--line-2);
}
.rec-bar i {
  position: absolute;
  left: 0;
  top: 6px;
  height: 4px;
  width: 0;
  border-radius: 2px;
  background: var(--brass);
  box-shadow: 0 0 8px rgba(214, 162, 74, 0.5);
}
.rec-note {
  font-size: 0.88rem;
  color: var(--bone-2);
  line-height: 1.6;
}
.rec-lic {
  display: block;
  margin-top: 8px;
  font-family: var(--mono);
  font-stretch: 80%;
  font-size: 0.58rem;
  letter-spacing: 0.06em;
  color: var(--bone-3);
}
.rec-lic a {
  color: var(--bone-2);
}
.motif {
  margin-bottom: 14px;
  padding: 18px;
  border-radius: 14px;
  background: rgba(10, 7, 5, 0.5);
  box-shadow: inset 0 0 0 1px var(--line);
}
.motif-h {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.motif-h h5 {
  font-family: var(--display);
  font-weight: 400;
  font-size: 1.35rem;
  flex: 1;
  min-width: 150px;
}
.badge {
  font-family: var(--mono);
  font-stretch: 78%;
  font-size: 0.54rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 5px;
  box-shadow: inset 0 0 0 1px var(--verdigris);
  color: var(--verdigris);
}
.badge.orig {
  box-shadow: inset 0 0 0 1px var(--brass-lo);
  color: var(--brass);
}
.roll {
  position: relative;
  height: 92px;
  border-radius: 8px;
  margin-bottom: 12px;
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0 calc(12.5% - 1px),
      rgba(214, 162, 74, 0.08) calc(12.5% - 1px) 12.5%
    ),
    #0c0806;
  box-shadow: inset 0 0 0 1px var(--line);
  overflow: hidden;
}
.roll i {
  position: absolute;
  height: 7px;
  border-radius: 4px;
  background: var(--brass-lo);
  transition:
    background 0.1s,
    box-shadow 0.1s;
}
.roll i.on {
  background: var(--brass-hi);
  box-shadow: 0 0 12px rgba(243, 208, 138, 0.8);
}
.roll-head {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 1px;
  background: rgba(242, 233, 216, 0.5);
}
.motif-ctl {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.motif-ctl .slider-row {
  flex: 1;
  min-width: 180px;
}

/* ================================================================
   THE LIBRARY: a card catalogue
   ================================================================ */
.lib-bar {
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.lib-bar .chips-scroll {
  flex: 1;
  min-width: 0;
}
.search {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 240px;
  flex: 0 1 320px;
  height: 44px;
  padding: 0 14px;
  border-radius: 10px;
  color: var(--bone-3);
  background: #140d09;
  box-shadow: inset 0 0 0 1px var(--line-2);
}
.search input {
  flex: 1;
  outline: none;
  font-size: 0.95rem;
  color: var(--bone);
}
.search:focus-within {
  box-shadow: inset 0 0 0 1px var(--brass);
}
.catalog {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 16px;
}
.icard {
  position: relative;
  text-align: left;
  min-height: 210px;
  padding: 18px 20px 34px;
  border-radius: 4px;
  color: #2a1c0e;
  transform: rotate(var(--tilt));
  background:
    linear-gradient(180deg, transparent 0 46px, #c8574f 46px 47.5px, transparent 47.5px),
    repeating-linear-gradient(180deg, transparent 0 21px, rgba(90, 120, 160, 0.22) 21px 22px) 0
      47px / 100% calc(100% - 47px) no-repeat,
    #efe4cc;
  background-image:
    linear-gradient(180deg, transparent 0 46px, #c8574f 46px 47.5px, transparent 47.5px),
    repeating-linear-gradient(180deg, transparent 0 21px, rgba(90, 120, 160, 0.2) 21px 22px),
    var(--noise);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.4) inset,
    0 14px 24px -14px #000;
  transition:
    transform 0.35s var(--ease),
    box-shadow 0.3s;
}
.icard:hover {
  transform: rotate(0deg) translateY(-5px);
  box-shadow: 0 24px 34px -16px #000;
}
.ic-no {
  font-family: var(--mono);
  font-stretch: 78%;
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #8a7458;
}
.icard h4 {
  font-size: 1.55rem;
  margin: 6px 0 12px;
}
.ic-tag {
  display: block;
  font-family: var(--display);
  font-style: italic;
  font-size: 0.98rem;
  color: #8a4d0c;
  line-height: 22px;
}
.icard p {
  font-size: 0.86rem;
  line-height: 22px;
  color: #3a2a18;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.ic-hear {
  position: absolute;
  right: 14px;
  bottom: 10px;
  font-family: var(--mono);
  font-stretch: 80%;
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #2f7e6d;
}
.ic-hole {
  position: absolute;
  left: 50%;
  bottom: 10px;
  width: 12px;
  height: 12px;
  margin-left: -6px;
  border-radius: 50%;
  background: var(--ebony);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.8);
}
.count {
  margin-top: 18px;
  font-family: var(--mono);
  font-stretch: 80%;
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone-3);
}
.icard-open .ic-no {
  color: var(--bone-3);
}

/* ================================================================
   THE PATH
   ================================================================ */
.path-top {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 26px;
}
.path-meter b {
  font-family: var(--display);
  font-weight: 400;
  font-size: 3.2rem;
  line-height: 1;
  margin-right: 8px;
}
.path-meter span {
  font-family: var(--mono);
  font-stretch: 80%;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone-3);
}
.path-frets {
  flex: 1;
  min-width: 240px;
  max-width: 520px;
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  height: 34px;
  border-radius: 4px;
  overflow: hidden;
  background: var(--grain-h), #1c110a;
  box-shadow: inset 0 0 0 1px var(--line);
}
.path-frets i {
  position: relative;
  border-right: 3px solid #b99a62;
}
.path-frets i:last-child {
  border-right: 0;
}
.path-frets i.on::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 11px;
  height: 11px;
  margin: -5.5px;
  border-radius: 50%;
  background: var(--abalone);
  box-shadow: 0 0 10px rgba(169, 220, 201, 0.6);
}
.stages {
  list-style: none;
  display: grid;
  gap: 0;
  border-left: 7px solid #efe6d3;
  border-radius: 3px;
  background: var(--grain-v), linear-gradient(90deg, #1d120b, #150d08);
  background-size:
    420px 900px,
    auto;
}
.stage {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
  padding: 22px 22px 22px 16px;
  border-bottom: 3px solid #b99a62;
  position: relative;
}
.stage:last-child {
  border-bottom: 0;
}
.stage-mark {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  position: relative;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 40% 35%, #2b1d14, #0e0906 70%);
  box-shadow:
    inset 0 1px 3px #000,
    0 0 0 1px var(--line-2);
}
.fret-no {
  font-family: var(--display);
  font-size: 1.3rem;
  color: var(--bone-3);
}
.stage-mark .inl {
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  background: var(--abalone);
  opacity: 0;
  transform: scale(0.4);
  transition:
    opacity 0.35s,
    transform 0.45s var(--spring);
}
.stage.done .inl {
  opacity: 1;
  transform: none;
}
.stage.done .fret-no {
  position: relative;
  z-index: 1;
  color: #1a120c;
}
.stage-body h4 {
  font-size: 1.6rem;
  margin-bottom: 6px;
}
.stage-body p {
  color: var(--bone-2);
  font-size: 0.92rem;
  margin-bottom: 8px;
}
.stage-key {
  display: block;
  font-family: var(--display);
  font-style: italic;
  color: var(--brass);
  font-size: 1.02rem;
}
.stage.done .stage-body h4 {
  color: var(--verdigris);
}

@media (max-width: 1100px) {
  .ear-stage,
  .rhythm-grid,
  .tuner-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .metro {
    grid-template-columns: 200px minmax(0, 1fr);
  }
}
@media (max-width: 720px) {
  .metro {
    grid-template-columns: minmax(0, 1fr);
  }
  .metro-case {
    max-width: 200px;
    margin: 0 auto;
  }
  .bars {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .bars .bar:nth-child(2n) {
    border-right: 0;
  }
  .bars .bar {
    border-bottom: 1px solid rgba(60, 40, 20, 0.25);
  }
  .stage {
    grid-template-columns: 56px minmax(0, 1fr);
  }
  .stage .btn {
    grid-column: 2;
    justify-self: start;
  }
  .rec {
    grid-template-columns: 46px minmax(0, 1fr);
  }
  .rec-disc {
    display: none;
  }
  .ear-station {
    padding: 20px 14px;
  }
  .strings {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, 1fr);
  }
  .plates {
    grid-template-columns: 1fr 1fr;
  }
}

/* touch screens get touch hints, not keyboard ones */
.hint-touch {
  display: none;
}
@media (hover: none) {
  .hero-keys .hint-desk {
    display: none;
  }
  .hint-touch {
    display: list-item;
  }
}

/* short screens: tighten the frets so every room fits on the neck */
@media (max-height: 880px) and (min-width: 1040px) {
  .headstock {
    padding: 16px 26px 12px;
  }
  .fret {
    padding: 9px 12px 9px 8px;
  }
  .inlay {
    width: 28px;
    height: 28px;
  }
  .fret small {
    display: none;
  }
  .fret-gap {
    height: 8px;
  }
}
.rooms h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.6rem);
  margin: 0;
}
.bench-body .series-sec:first-child {
  padding-top: 6px;
  border-top: 0;
}

/* page changes: only the content moves; the piano, top bar and rail stay put and stay on top */
.vt #keybed {
  view-transition-name: keybed;
}
.vt #bar {
  view-transition-name: topbar;
}
.vt #rail {
  view-transition-name: rail;
}
::view-transition-group(main-view) {
  z-index: 1;
}
::view-transition-group(topbar) {
  z-index: 2;
}
::view-transition-group(keybed) {
  z-index: 3;
}
::view-transition-group(rail) {
  z-index: 4;
}
::view-transition-group(keybed),
::view-transition-group(topbar),
::view-transition-group(rail),
::view-transition-old(keybed),
::view-transition-new(keybed),
::view-transition-old(topbar),
::view-transition-new(topbar),
::view-transition-old(rail),
::view-transition-new(rail) {
  animation: none;
}
.vt .view.on {
  animation: none;
}