.bs-triad-pairs {
  --triad-gold: #d2b36a;
  box-sizing: border-box;
  min-width: 0;
  color: var(--text, #f4f4f4);
  font-family: Inter, sans-serif;
}

.bs-triad-pairs * { box-sizing: border-box; }
.bs-triad-pairs h3 { margin: 0 0 12px; color: var(--triad-gold); font-size: 1rem; }
.bs-triad-pairs h4 { margin: 0 0 10px; color: #e8dfcd; font-size: .84rem; }
.bs-triad-pairs p { color: #d8d2c8; font-size: .86rem; line-height: 1.55; }

.bs-triad-pairs label { display: grid; min-width: 0; gap: 6px; color: #d8d2c8; font-size: .8rem; font-weight: 600; }
.bs-triad-pairs select {
  width: 100%;
  min-height: 38px;
  padding: 0 10px;
  border: 1px solid rgba(185, 155, 86, .4);
  border-radius: 8px;
  background: #1b1a17;
  color: #fff;
  font: inherit;
}

.bs-triad-pairs button {
  min-height: 36px;
  padding: 7px 11px;
  border: 1px solid rgba(185, 155, 86, .46);
  border-radius: 8px;
  background: rgba(185, 155, 86, .12);
  color: #fff;
  font: 600 .8rem Inter, sans-serif;
  cursor: pointer;
  touch-action: manipulation;
}
.bs-triad-pairs button:hover:not(:disabled) { border-color: var(--triad-gold); background: rgba(185, 155, 86, .24); }
.bs-triad-pairs button:focus-visible,
.bs-triad-pairs select:focus-visible,
.bs-triad-pairs__viewport:focus-visible { outline: 2px solid var(--triad-gold); outline-offset: 2px; }
.bs-triad-pairs button:disabled { opacity: .48; cursor: not-allowed; }

.bs-triad-pairs__settings {
  display: grid;
  grid-template-columns: minmax(120px, .75fr) repeat(2, minmax(170px, 1.2fr)) minmax(185px, 1fr);
  align-items: end;
  gap: 12px;
}
.bs-triad-pairs__settings fieldset {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  min-width: 0;
  margin: 0;
  padding: 9px;
  border: 1px solid rgba(185, 155, 86, .26);
  border-radius: 10px;
}
.bs-triad-pairs__settings legend { padding: 0 5px; color: var(--triad-gold); font-size: .8rem; font-weight: 700; }
.bs-triad-pairs__transpose { display: grid; grid-template-columns: 1fr auto auto auto; align-items: center; gap: 6px; }
.bs-triad-pairs__transpose > span { grid-column: 1 / -1; color: #d8d2c8; font-size: .8rem; font-weight: 600; }
.bs-triad-pairs__transpose output { min-width: 54px; text-align: center; color: white; font-size: .8rem; font-variant-numeric: tabular-nums; }
.bs-triad-pairs__transpose button { min-width: 34px; padding-inline: 8px; }

.bs-triad-pairs__info { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 18px; }
.bs-triad-pairs__info article {
  min-width: 0;
  padding: 13px 14px;
  border: 1px solid rgba(185, 155, 86, .22);
  border-radius: 11px;
  background: rgba(255, 255, 255, .025);
}
.bs-triad-pairs__info h3 { margin-bottom: 7px; }
.bs-triad-pairs__info strong { display: block; color: #fff; font-size: 1rem; }
.bs-triad-pairs__info p { margin: 7px 0 0; overflow-wrap: anywhere; font-size: .82rem; }

.bs-triad-pairs__audio,
.bs-triad-pairs__practice { margin-top: 18px; padding: 14px; border: 1px solid rgba(185, 155, 86, .22); border-radius: 12px; background: rgba(255, 255, 255, .02); }
.bs-triad-pairs__audio-groups { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.bs-triad-pairs__audio-group { min-width: 0; padding: 11px; border-radius: 9px; background: rgba(255, 255, 255, .035); }
.bs-triad-pairs__audio-group button { margin: 0 6px 4px 0; }
.bs-triad-pairs__practice > p { margin: -2px 0 12px; }
.bs-triad-pairs__practice-controls { display: grid; grid-template-columns: minmax(150px, .8fr) minmax(220px, 1.2fr) minmax(190px, 1fr) minmax(150px, .8fr) auto; align-items: end; gap: 14px; }
.bs-triad-pairs__bpm { align-content: end; }
.bs-triad-pairs__bpm output { justify-self: end; color: #fff; font-size: .8rem; font-variant-numeric: tabular-nums; }
.bs-triad-pairs__bpm input { width: 100%; accent-color: var(--triad-gold); }
.bs-triad-pairs__practice-actions { display: flex; flex-wrap: wrap; gap: 7px; }
.bs-triad-pairs__shape-reference { margin: 12px 0 0; padding-top: 10px; border-top: 1px solid rgba(255, 255, 255, .07); font-size: .8rem !important; }
.bs-triad-pairs__practice-error { margin: 8px 0 0; color: #efc0ad; font-size: .82rem !important; }

.bs-triad-pairs__fretboard-section { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--border, rgba(255, 255, 255, .08)); }
.bs-triad-pairs__fretboard-heading h3 { margin-bottom: 4px; }
.bs-triad-pairs__fretboard-heading p { margin: 0; }
.bs-triad-pairs__controls { display: flex; align-items: end; flex-wrap: wrap; gap: 14px; margin-top: 14px; }
.bs-triad-pairs__controls > label { width: min(190px, 100%); }
.bs-triad-pairs__controls fieldset { display: flex; flex-wrap: wrap; gap: 7px; min-width: 0; margin: 0; padding: 0; border: 0; }
.bs-triad-pairs__controls legend { margin-bottom: 6px; color: var(--triad-gold); font-size: .78rem; font-weight: 700; }
.bs-triad-pairs__controls fieldset label { position: relative; display: block; cursor: pointer; }
.bs-triad-pairs__controls input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.bs-triad-pairs__controls label span { display: inline-flex; min-height: 34px; align-items: center; padding: 6px 10px; border: 1px solid rgba(185, 155, 86, .35); border-radius: 8px; background: rgba(185, 155, 86, .07); color: #eee; font-size: .8rem; }
.bs-triad-pairs__controls input:checked + span { border-color: var(--triad-gold); background: rgba(185, 155, 86, .23); }
.bs-triad-pairs__controls input:focus-visible + span { outline: 2px solid var(--triad-gold); outline-offset: 2px; }
.bs-triad-pairs__viewport { width: 100%; max-width: 100%; overflow-x: auto; margin-top: 12px; padding: 9px; border: 1px solid rgba(185, 155, 86, .2); border-radius: 11px; background: #171612; overscroll-behavior-inline: contain; scrollbar-color: #8c7a4f #24221d; }
.bs-triad-pairs .bs-guitar-fretboard { display: block; width: 100%; min-width: 650px; height: auto; }
.bs-triad-pairs__viewport[data-fret-range="0-24"] .bs-guitar-fretboard { min-width: 1600px; }
.bs-triad-pairs .bs-guitar-fretboard__note-circle { fill: #4f4b43; stroke: #d2b36a; stroke-width: 2; }
.bs-triad-pairs .bs-guitar-fretboard__note[data-pair-class="a"] .bs-guitar-fretboard__note-circle { fill: #344f69; stroke: #b6d8fa; stroke-width: 2.5; }
.bs-triad-pairs .bs-guitar-fretboard__note[data-pair-class="b"] .bs-guitar-fretboard__note-circle { fill: #674c37; stroke: #f2c28d; stroke-width: 2.5; stroke-dasharray: 3 1; }
.bs-triad-pairs .bs-guitar-fretboard__note[data-pair-class="shared"] .bs-guitar-fretboard__note-circle { fill: #635c37; stroke: #eee0a1; stroke-width: 3; }
.bs-triad-pairs .bs-guitar-fretboard__note--practice-active .bs-guitar-fretboard__note-circle { stroke: #fff; stroke-width: 4; filter: drop-shadow(0 0 5px #fff); }
.bs-triad-pairs__legend { display: flex; flex-wrap: wrap; gap: 14px; margin: 9px 0 0; color: #d8d2c8; font-size: .8rem; }
.bs-triad-pairs__audio-status { min-height: 1.25em; margin: 8px 0 0; color: var(--triad-gold); font-size: .8rem; }
.bs-triad-pairs [hidden] { display: none !important; }

@media (max-width: 1000px) {
  .bs-triad-pairs__settings { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bs-triad-pairs__audio-groups { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bs-triad-pairs__practice-controls { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  .bs-triad-pairs__settings,.bs-triad-pairs__info,.bs-triad-pairs__audio-groups,.bs-triad-pairs__practice-controls { grid-template-columns: 1fr; }
  .bs-triad-pairs__settings fieldset { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bs-triad-pairs__transpose { max-width: 300px; }
  .bs-triad-pairs__audio,.bs-triad-pairs__practice { padding: 12px; }
  .bs-triad-pairs__practice-actions { align-items: center; }
}