/* Family navigation keeps the diagram override compact as the catalog grows.
   Scale picker rules remain in styles.css and are deliberately unaffected. */
.harmony-picker-panel[data-kind='chord'] .harmony-picker-body {
  gap: 10px;
  padding-block: 10px 12px;
}
.harmony-picker-panel[data-kind='chord'] .harmony-picker-section-heading {
  min-height: 24px;
  margin-bottom: 5px;
}
.harmony-picker-families {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
}
.harmony-picker-families > button {
  font-size: 12px;
  padding: 7px 3px;
}
.harmony-picker-panel[data-kind='chord'][data-layout][data-roomy] .harmony-picker-types {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  min-height: 144px;
  align-content: start;
}
/* Reset the former flat catalog's nth-child centering rules. */
.harmony-picker-panel[data-kind='chord'][data-layout][data-roomy] .harmony-picker-types > button:nth-child(n) {
  grid-column: auto;
}
.harmony-picker-panel[data-kind='chord'] .harmony-picker-types > button {
  min-height: 44px;
  font-size: 14px;
  overflow-wrap: anywhere;
}
.harmony-picker-panel[data-kind='chord'][data-layout='wide'] .harmony-picker-body {
  grid-template-columns: minmax(120px, .8fr) minmax(132px, .9fr) minmax(156px, 1.2fr);
  column-gap: 12px;
  align-items: start;
}
.harmony-picker-panel[data-kind='chord'][data-layout='wide'] .harmony-picker-roots {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.harmony-picker-panel[data-kind='chord'][data-layout='wide'] .harmony-picker-families {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.harmony-picker-panel[data-kind='chord'][data-layout='wide'][data-roomy='true'] .harmony-picker-body {
  grid-template-columns: minmax(176px, 1fr) minmax(156px, .95fr) minmax(216px, 1.3fr);
}
.harmony-picker-panel[data-kind='chord'][data-layout='wide'][data-roomy='true'] .harmony-picker-roots {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
/* Keep full-size touch targets on short screens by reclaiming
   surrounding chrome rather than shrinking the controls. */
.harmony-picker-panel[data-kind='chord'][data-compact='true'] .harmony-picker-header,
.harmony-picker-panel[data-kind='chord'][data-compact='true'] .harmony-picker-footer {
  padding-block: 4px;
}
.harmony-picker-panel[data-kind='chord'][data-compact='true'] .harmony-picker-body {
  padding-block: 4px;
  gap: 6px;
}
.harmony-picker-panel[data-kind='chord'][data-compact='true'] .harmony-picker-section-heading {
  min-height: 18px;
  margin-bottom: 3px;
}
@media (max-width: 359px) {
  .harmony-picker-panel[data-kind='chord'] .harmony-picker-header,
  .harmony-picker-panel[data-kind='chord'] .harmony-picker-footer { padding: 10px 12px; }
  .harmony-picker-panel[data-kind='chord'] .harmony-picker-body { padding-inline: 12px; gap: 8px; }
  .harmony-picker-panel[data-kind='chord'] .harmony-picker-families { gap: 5px; }
  .harmony-picker-panel[data-kind='chord'] .harmony-picker-families > button { font-size: 11px; }
}
/* Overlay the placement action without changing the original card geometry.
   Percentage widths follow the card; aspect-ratio keeps the control circular. */
.key-chord-card-replaceable {
  position: relative;
  --key-chord-add-size: clamp(12px, 10%, 28px);
  --key-chord-add-inset: 4px;
  --key-chord-add-top: 3px;
}
.key-chord-card-replaceable .key-chord-add,
.diagram-zoom-sheet > .diagram-zoom-add {
  position: absolute;
  inset-block-start: var(--key-chord-add-top);
  right: var(--key-chord-add-inset);
  display: grid;
  place-items: center;
  box-sizing: border-box;
  width: var(--key-chord-add-size);
  height: auto;
  aspect-ratio: 1;
  min-height: 0;
  margin: 0;
  padding: 0;
  border: 1px solid var(--panel-border);
  border-radius: 50%;
  background: var(--surface-card);
  color: var(--ink);
  box-shadow: none;
  cursor: pointer;
  touch-action: manipulation;
  transform: none;
  -webkit-tap-highlight-color: transparent;
}
.key-chord-add svg {
  width: 58%;
  height: 58%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  pointer-events: none;
}
.key-chord-card-replaceable .key-chord-add:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  transform: none;
}
.key-chord-add:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.diagram-zoom-sheet > .diagram-zoom-add {
  --key-chord-add-size: 30px;
  --key-chord-add-top: 8px;
  --key-chord-add-inset: 10px;
  z-index: 3;
}
.diagram-zoom-add[hidden] { display: none; }
.diagram-zoom-add:hover { background: var(--accent-soft); border-color: var(--accent); transform: none; }
.key-chord-card-title-content {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  gap: inherit;
  white-space: nowrap;
  transform: scaleX(var(--key-chord-title-scale, 1));
  transform-origin: center;
}
.diagram-zoom-overlay[data-zoom-type='mode-chord'] > .diagram-zoom-close { z-index: 5; }
/* Single-chord lightboxes use a carousel, not a native scroll container.
   Clip the same content without allowing focus to nudge its hidden overflow. */
.diagram-zoom-overlay:is([data-zoom-type='chord'], [data-zoom-type='mode-chord']) :is(.diagram-zoom-sheet, .diagram-zoom-viewport) {
  min-height: 0;
  overflow: clip;
  overscroll-behavior: none;
}
.harmony-picker-body,
.chord-replacement-slots { overscroll-behavior: none; }
.harmony-picker-body[data-scrollable='false'],
.chord-replacement-slots[data-scrollable='false'] { overflow: clip; }
@media (pointer: coarse) {
  /* The visible control stays small; its invisible touch area uses the gutter. */
  .key-chord-add::after { content: ''; position: absolute; inset: -6px; border-radius: 50%; }
}
.chord-replacement-panel .harmony-picker-header { padding: 12px 14px; align-items: flex-start; }
.chord-replacement-panel .harmony-picker-header h2 { margin: 0 0 6px; color: var(--ink); font-size: 16px; line-height: 1.3; }
.chord-replacement-panel .harmony-picker-header p { margin: 0; color: var(--muted); font-size: 13px; }
.chord-replacement-slots {
  display: grid;
  gap: 8px;
  min-height: 0;
  padding: 12px;
  overflow-y: auto;
  overscroll-behavior: none;
  scrollbar-width: thin;
}
.chord-replacement-group { min-width: 0; padding: 8px; border: 1px solid var(--panel-border); border-radius: 12px; background: var(--surface-key-card); }
.chord-replacement-group:only-child { padding: 0; border: 0; background: transparent; }
.chord-replacement-group h3 { margin: 0 0 6px; font-size: 11px; font-weight: 600; color: var(--muted); }
.chord-replacement-row { display: grid; grid-template-columns: repeat(var(--replacement-columns), minmax(0, 1fr)); gap: 6px; }
.chord-replacement-panel .chord-replacement-row > button {
  flex-direction: column;
  gap: 3px;
  min-height: 48px;
  padding: 5px 3px;
}
.chord-replacement-number { color: var(--muted); font-size: 11px; font-weight: 500; font-variant-numeric: tabular-nums; }
.chord-replacement-label { font-size: 16px; line-height: 1.2; overflow-wrap: anywhere; }
.chord-replacement-panel .harmony-picker-footer { padding: 8px 14px; }
.chord-replacement-panel .harmony-picker-footer > div { display: flex; justify-content: flex-end; }
.chord-replacement-panel .harmony-picker-footer button { min-width: 96px; }
.chord-replacement-panel[data-compact='true'] .harmony-picker-header { padding: 8px 12px; gap: 8px; }
.chord-replacement-panel[data-compact='true'] .harmony-picker-header h2 { font-size: 15px; line-height: 1.25; margin-bottom: 4px; }
.chord-replacement-panel[data-compact='true'] .harmony-picker-header p { font-size: 12px; line-height: 1.25; }
.chord-replacement-panel[data-compact='true'] .chord-replacement-slots { gap: 6px; padding: 10px 12px; }
.chord-replacement-panel[data-compact='true'] .chord-replacement-group { padding: 6px; }
.chord-replacement-panel[data-compact='true'] .chord-replacement-group:only-child { padding: 0; border: 0; }
.chord-replacement-panel[data-compact='true'] .chord-replacement-group h3 { font-size: 11px; line-height: 1.2; margin-bottom: 4px; }
.chord-replacement-panel[data-compact='true'] .chord-replacement-row { gap: 6px; }
.chord-replacement-panel[data-compact='true'] .chord-replacement-row > button {
  min-height: 48px;
  gap: 2px;
  padding: 4px 3px;
}
.chord-replacement-panel[data-compact='true'] .chord-replacement-number { font-size: 10px; }
.chord-replacement-panel[data-compact='true'] .chord-replacement-label { font-size: 15px; }
@keyframes chord-replaced {
  0%, 35% { box-shadow: inset 0 0 0 2px var(--accent); }
  100% { box-shadow: inset 0 0 0 2px transparent; }
}
.chord-card.chord-just-replaced { animation: chord-replaced 1.2s ease-out; }
@media (prefers-reduced-motion: reduce) { .chord-card.chord-just-replaced { animation-duration: 0.01ms; } }