.arpeggio-page {
  --arpeggio-accent: #f4c56a;
  --arpeggio-accent-soft: rgba(244, 197, 106, 0.12);
  --arpeggio-wrong: #ff9f6e;
  --arpeggio-wide: #bca8ff;
}

.arpeggio-main {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
  padding: 4.5rem 0 5rem;
}

.arpeggio-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(17rem, 0.55fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: end;
  padding: 3.5rem 0 3rem;
}

.arpeggio-hero h1 {
  max-width: 11ch;
  margin: 0.35rem 0 1rem;
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: 0.9;
  letter-spacing: -0.065em;
}

.arpeggio-hero > div > p:last-of-type {
  max-width: 44rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.arpeggio-hero-note {
  padding: 1.4rem;
  border: 1px solid var(--line-strong);
  background: linear-gradient(145deg, rgba(244, 197, 106, 0.14), rgba(13, 18, 24, 0.84));
  box-shadow: 0 18px 50px var(--shadow);
}

.arpeggio-hero-note strong {
  display: block;
  margin: 0.55rem 0;
  font-size: 1.3rem;
}

.arpeggio-hero-note p,
.arpeggio-shell-header p {
  margin: 0;
  color: var(--muted);
}

.arpeggio-privacy {
  margin-bottom: 1.5rem;
}

.arpeggio-shell {
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(16, 23, 30, 0.97), rgba(7, 11, 15, 0.98));
  box-shadow: 0 32px 90px var(--shadow);
}

.arpeggio-shell-header {
  display: flex;
  justify-content: space-between;
  gap: 1.25rem;
  align-items: flex-start;
  padding: clamp(1.35rem, 3vw, 2rem);
  border-bottom: 1px solid var(--line);
}

.arpeggio-shell-header h2 {
  margin: 0.35rem 0 0.45rem;
}

.arpeggio-related-actions,
.arpeggio-transport,
.arpeggio-result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.arpeggio-related-actions {
  max-width: 32rem;
  justify-content: flex-end;
}

.arpeggio-controls {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border-bottom: 1px solid var(--line);
  background: var(--line);
}

.arpeggio-field {
  min-width: 0;
  margin: 0;
  padding: 1rem;
  border: 0;
  background: rgba(8, 13, 18, 0.97);
}

.arpeggio-field > span,
.arpeggio-field legend {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.arpeggio-field select,
.arpeggio-field input[type="range"] {
  width: 100%;
}

.arpeggio-field select {
  min-height: 2.75rem;
  padding: 0.62rem 0.7rem;
  border: 1px solid var(--control-border);
  border-radius: 0;
  color: var(--text);
  background: #0b1117;
}

.arpeggio-field output {
  display: block;
  margin-top: 0.4rem;
  color: var(--arpeggio-accent);
  font-variant-numeric: tabular-nums;
}

.arpeggio-instrument-field {
  grid-column: span 2;
}

.arpeggio-segmented {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.arpeggio-segmented label {
  position: relative;
}

.arpeggio-segmented input {
  position: absolute;
  opacity: 0;
}

.arpeggio-segmented span {
  min-height: var(--tap-target);
  display: grid;
  place-items: center;
  padding: 0.62rem 0.75rem;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  cursor: pointer;
}

.arpeggio-segmented input:checked + span {
  border-color: var(--arpeggio-accent);
  color: #1b1203;
  background: var(--arpeggio-accent);
}

.arpeggio-segmented input:focus-visible + span {
  outline: 3px solid var(--text);
  outline-offset: 2px;
}

.arpeggio-segmented input:disabled + span {
  cursor: not-allowed;
  opacity: 0.48;
}

.arpeggio-focus-field {
  display: grid;
  gap: 0.7rem;
  align-content: center;
}

.arpeggio-focus-toggle,
.arpeggio-check-field {
  min-height: var(--tap-target);
  display: flex;
  gap: 0.65rem;
  align-items: center;
}

.arpeggio-focus-toggle {
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 800;
  cursor: pointer;
}

.arpeggio-focus-toggle input,
.arpeggio-check-field input {
  width: 1.2rem;
  height: 1.2rem;
  accent-color: var(--arpeggio-accent);
}

.arpeggio-focus-range {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 5.8rem;
  gap: 0.75rem;
  align-items: center;
}

.arpeggio-focus-range output {
  margin: 0;
  text-align: right;
}

.arpeggio-focus-range.is-disabled {
  opacity: 0.42;
}

.arpeggio-check-field > span {
  margin: 0;
}

.arpeggio-connect-controls {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.arpeggio-connect-controls[hidden] {
  display: none;
}

.arpeggio-tempo-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.45rem 0.8rem;
  align-items: center;
}

.arpeggio-tempo-field > span {
  grid-column: 1 / -1;
}

.arpeggio-tempo-field output {
  margin: 0;
}

.arpeggio-transport {
  padding: 1rem clamp(1.25rem, 3vw, 2rem);
  border-bottom: 1px solid var(--line);
  background: var(--arpeggio-accent-soft);
}

.arpeggio-status {
  margin: 0;
  padding: 0.8rem clamp(1.25rem, 3vw, 2rem);
  border-bottom: 1px solid var(--line);
  color: var(--arpeggio-accent);
}

.arpeggio-round {
  border-bottom: 1px solid var(--line);
}

.arpeggio-round-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-bottom: 1px solid var(--line);
}

.arpeggio-round-stats > div {
  padding: 0.9rem clamp(0.85rem, 2vw, 1.25rem);
  border-right: 1px solid var(--line);
}

.arpeggio-round-stats > div:last-child {
  border-right: 0;
}

.arpeggio-round-stats span,
.arpeggio-prompt-card > span {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--subtle);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.arpeggio-round-stats strong {
  font-size: clamp(1rem, 2vw, 1.18rem);
  font-variant-numeric: tabular-nums;
}

.arpeggio-prompt-card {
  min-height: 11.5rem;
  padding: clamp(1.5rem, 4vw, 2.6rem);
  background:
    radial-gradient(circle at 92% 18%, rgba(244, 197, 106, 0.13), transparent 28%),
    rgba(4, 8, 12, 0.72);
}

.arpeggio-prompt-card h3 {
  max-width: 30ch;
  margin: 0.45rem 0 0.6rem;
  font-size: clamp(1.65rem, 4vw, 2.7rem);
  line-height: 1.05;
}

.arpeggio-prompt-card p {
  max-width: 52rem;
  margin: 0;
  color: var(--muted);
}

.arpeggio-role-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  min-height: 2.3rem;
  margin-top: 1.1rem;
}

.arpeggio-role-chip {
  display: grid;
  min-width: 2.65rem;
  min-height: 2.3rem;
  padding: 0.35rem 0.65rem;
  place-items: center;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.025);
  font-size: 0.8rem;
  font-weight: 900;
}

.arpeggio-role-chip.is-active {
  border-color: var(--arpeggio-accent);
  color: #1b1203;
  background: var(--arpeggio-accent);
}

.arpeggio-role-chip.is-filled {
  border-color: var(--arpeggio-accent);
  color: var(--arpeggio-accent);
}

.arpeggio-selection {
  display: flex;
  gap: 1rem;
  align-items: baseline;
  padding: 0.9rem clamp(1.5rem, 4vw, 2.6rem);
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.018);
}

.arpeggio-selection strong {
  flex: 0 0 auto;
}

.arpeggio-selection p {
  margin: 0;
  color: var(--muted);
}

.arpeggio-answer-feedback {
  padding: 1rem clamp(1.5rem, 4vw, 2.6rem);
  border-top: 1px solid var(--line);
  border-left: 4px solid var(--arpeggio-accent);
  background: var(--arpeggio-accent-soft);
}

.arpeggio-answer-feedback.is-wrong {
  border-left-color: var(--arpeggio-wrong);
  background: rgba(107, 45, 24, 0.2);
}

.arpeggio-answer-feedback.is-wide {
  border-left-color: var(--arpeggio-wide);
  background: rgba(94, 75, 150, 0.16);
}

.arpeggio-answer-feedback strong {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 1.1rem;
}

.arpeggio-answer-feedback p {
  margin: 0;
  color: var(--muted);
}

.arpeggio-fretboard-scroll {
  overflow-x: auto;
  padding: 1.25rem;
  border-bottom: 1px solid var(--line);
  scrollbar-color: var(--arpeggio-accent) #0b1117;
}

.arpeggio-fretboard-scroll:focus-visible {
  outline: 3px solid var(--arpeggio-accent);
  outline-offset: -3px;
}

.arpeggio-fretboard {
  --arpeggio-fret-count: 15;
  min-width: 63rem;
  border: 1px solid var(--line-strong);
  background: #080d12;
}

.arpeggio-fretboard-row {
  display: grid;
  grid-template-columns: 4.2rem repeat(calc(var(--arpeggio-fret-count) + 1), minmax(3.2rem, 1fr));
  align-items: stretch;
}

.arpeggio-fretboard.is-left-handed .arpeggio-fretboard-row {
  grid-template-columns: repeat(calc(var(--arpeggio-fret-count) + 1), minmax(3.2rem, 1fr)) 4.2rem;
}

.arpeggio-fretboard-row + .arpeggio-fretboard-row {
  border-top: 1px solid var(--line);
}

.arpeggio-string-label,
.arpeggio-fret-label,
.arpeggio-fret-cell {
  min-height: 3.35rem;
  border-right: 1px solid var(--line);
}

.arpeggio-string-label,
.arpeggio-fret-label {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 800;
}

.arpeggio-fret-cell {
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.012);
}

.arpeggio-fret-cell.is-outside-focus {
  opacity: 0.22;
}

.arpeggio-fret-answer {
  display: grid;
  width: 2.55rem;
  height: 2.55rem;
  padding: 0;
  place-items: center;
  border: 1px solid rgba(174, 189, 195, 0.5);
  border-radius: 50%;
  color: var(--muted);
  background: rgba(174, 189, 195, 0.08);
  font-size: 0.68rem;
  font-weight: 900;
  cursor: pointer;
}

.arpeggio-fret-answer::before {
  content: "";
  width: 0.52rem;
  height: 0.52rem;
  border-radius: 50%;
  background: currentColor;
}

.arpeggio-fret-answer:hover {
  border-color: var(--arpeggio-accent);
  color: var(--arpeggio-accent);
}

.arpeggio-fret-answer:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 3px;
}

.arpeggio-fret-answer:disabled {
  cursor: not-allowed;
  opacity: 0.3;
}

.arpeggio-fret-answer.is-selected,
.arpeggio-fret-answer.is-valid,
.arpeggio-fret-answer.is-wide,
.arpeggio-fret-answer.is-wrong,
.arpeggio-fret-answer.is-source {
  width: 2.85rem;
  border-radius: 0.3rem;
  opacity: 1;
}

.arpeggio-fret-answer.is-selected {
  border-color: var(--arpeggio-accent);
  color: #1b1203;
  background: var(--arpeggio-accent);
}

.arpeggio-fret-answer.is-valid {
  border-color: var(--accent-strong);
  color: #051012;
  background: var(--accent-strong);
}

.arpeggio-fret-answer.is-wide {
  border-color: var(--arpeggio-wide);
  color: #100b25;
  background: var(--arpeggio-wide);
}

.arpeggio-fret-answer.is-wrong {
  border-color: var(--arpeggio-wrong);
  color: #fff7f2;
  background: #6b2d18;
}

.arpeggio-fret-answer.is-source {
  border-color: #8fc9ff;
  color: #061525;
  background: #8fc9ff;
}

.arpeggio-fret-answer.is-selected::before,
.arpeggio-fret-answer.is-valid::before,
.arpeggio-fret-answer.is-wide::before,
.arpeggio-fret-answer.is-wrong::before,
.arpeggio-fret-answer.is-source::before {
  content: none;
}

.arpeggio-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.3rem;
  padding: 1rem clamp(1.25rem, 3vw, 2rem);
  border-bottom: 1px solid var(--line);
}

.arpeggio-legend span {
  display: flex;
  gap: 0.45rem;
  align-items: center;
  color: var(--muted);
  font-size: 0.78rem;
}

.arpeggio-legend i {
  display: grid;
  width: 1rem;
  height: 1rem;
  place-items: center;
  border: 1px solid rgba(174, 189, 195, 0.5);
  border-radius: 50%;
  font-size: 0.45rem;
  font-style: normal;
  font-weight: 900;
}

.arpeggio-legend .legend-selected {
  border-radius: 0.15rem;
  color: #1b1203;
  background: var(--arpeggio-accent);
}

.arpeggio-legend .legend-correct {
  border-radius: 0.15rem;
  color: #051012;
  background: var(--accent-strong);
}

.arpeggio-legend .legend-wide {
  border-radius: 0.15rem;
  color: #100b25;
  background: var(--arpeggio-wide);
}

.arpeggio-legend .legend-wrong {
  border-radius: 0.15rem;
  color: #fff7f2;
  background: #6b2d18;
}

.arpeggio-results {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.25rem 2rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-top: 4px solid var(--arpeggio-accent);
  background: var(--arpeggio-accent-soft);
}

.arpeggio-results[hidden] {
  display: none;
}

.arpeggio-results h3,
.arpeggio-results h4 {
  margin: 0.35rem 0 0;
}

.arpeggio-result-score {
  display: grid;
  justify-items: end;
  align-content: start;
}

.arpeggio-result-score strong {
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 0.95;
}

.arpeggio-result-score span {
  margin-top: 0.45rem;
  color: var(--muted);
}

.arpeggio-missed {
  grid-column: 1 / -1;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.arpeggio-missed ul {
  display: grid;
  gap: 0.4rem;
  margin: 0.75rem 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.arpeggio-result-actions {
  grid-column: 1 / -1;
}

.tool-feedback,
.arpeggio-notes {
  margin-top: 1.5rem;
}

.arpeggio-notes > div:first-child {
  max-width: 49rem;
  margin-bottom: 1.25rem;
}

.arpeggio-education {
  padding: clamp(1.25rem, 4vw, 2.5rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at top right, rgba(244, 197, 106, 0.12), transparent 28rem),
    #0b1117;
}

.arpeggio-education-header {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(16rem, 0.65fr);
  gap: 1.25rem 2rem;
  align-items: start;
  margin-bottom: 1.5rem;
}

.arpeggio-education-header h3,
.arpeggio-routines h4 {
  margin: 0.35rem 0 0;
}

.arpeggio-education-header p,
.arpeggio-routines p {
  max-width: 48rem;
  margin: 0.65rem 0 0;
  color: var(--muted);
}

.arpeggio-education-context {
  display: grid;
  gap: 0.35rem;
  padding: 1rem;
  border: 1px solid rgba(244, 197, 106, 0.36);
  border-radius: 0.8rem;
  background: rgba(244, 197, 106, 0.08);
}

.arpeggio-education-context > span {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
}

.arpeggio-education-context strong {
  line-height: 1.45;
}

.arpeggio-education-context .text-link {
  justify-self: start;
  margin-top: 0.25rem;
}

.arpeggio-lessons {
  display: grid;
  gap: 0.8rem;
  min-width: 0;
}

.arpeggio-lesson {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  background: rgba(15, 23, 31, 0.94);
  overflow: clip;
}

.arpeggio-lesson[open] {
  border-color: rgba(244, 197, 106, 0.5);
}

.arpeggio-lesson summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.9rem;
  align-items: center;
  min-height: 4.8rem;
  padding: 0.9rem 1rem;
  cursor: pointer;
  list-style: none;
}

.arpeggio-lesson summary::-webkit-details-marker {
  display: none;
}

.arpeggio-lesson summary::after {
  content: "+";
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 1.25rem;
  color: var(--arpeggio-accent);
}

.arpeggio-lesson[open] summary::after {
  content: "−";
}

.arpeggio-lesson summary:focus-visible {
  outline: 3px solid var(--arpeggio-accent);
  outline-offset: -3px;
}

.arpeggio-lesson-number {
  width: 2.45rem;
  height: 2.45rem;
  display: grid;
  place-items: center;
  border-radius: 0.65rem;
  font-weight: 900;
  color: #171006;
  background: var(--arpeggio-accent);
}

.arpeggio-lesson-heading {
  display: grid;
  gap: 0.2rem;
}

.arpeggio-lesson-heading strong {
  font-size: 1.05rem;
}

.arpeggio-lesson-heading span {
  color: var(--muted);
  line-height: 1.45;
}

.arpeggio-lesson-body {
  min-width: 0;
  padding: 0 1rem 1.25rem;
  border-top: 1px solid var(--line);
}

.arpeggio-lesson-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  min-width: 0;
  padding-top: 1rem;
}

.arpeggio-learning-card {
  min-width: 0;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0.7rem;
  background: rgba(255, 255, 255, 0.025);
}

.arpeggio-learning-card.is-wide {
  grid-column: 1 / -1;
  overflow-x: auto;
}

.arpeggio-learning-card h5 {
  margin: 0 0 0.6rem;
  color: var(--arpeggio-accent);
}

.arpeggio-learning-card p {
  margin: 0;
  color: var(--muted);
}

.arpeggio-comparison-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
  min-width: 0;
}

.arpeggio-concept-list,
.arpeggio-technique-list {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.arpeggio-lesson-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
  margin-top: 0.9rem;
}

.arpeggio-sequence,
.arpeggio-role-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
}

.arpeggio-sequence-token,
.arpeggio-role-token {
  min-width: 2.65rem;
  padding: 0.5rem 0.65rem;
  border: 1px solid rgba(244, 197, 106, 0.42);
  border-radius: 0.45rem;
  text-align: center;
  font-weight: 850;
  color: var(--arpeggio-accent);
  background: rgba(244, 197, 106, 0.08);
}

.arpeggio-sequence-arrow {
  color: var(--muted);
}

.arpeggio-formula-wrap {
  overflow-x: auto;
}

.arpeggio-formula-table {
  width: 100%;
  min-width: 42rem;
  border-collapse: collapse;
}

.arpeggio-formula-table th,
.arpeggio-formula-table td {
  padding: 0.7rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

.arpeggio-formula-table th {
  color: var(--muted);
  font-size: 0.76rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.arpeggio-formula-table td strong {
  color: var(--arpeggio-accent);
}

.arpeggio-position-diagram {
  display: grid;
  gap: 0.55rem;
}

.arpeggio-position-marker {
  display: grid;
  grid-template-columns: minmax(6.5rem, 0.75fr) minmax(8rem, 1fr) auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.65rem 0.75rem;
  border-left: 3px solid var(--arpeggio-accent);
  border-radius: 0.35rem;
  background: rgba(244, 197, 106, 0.065);
}

.arpeggio-position-marker span {
  color: var(--muted);
}

.arpeggio-position-marker strong:last-child {
  color: var(--arpeggio-accent);
}

.arpeggio-inversion-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.arpeggio-inversion-card {
  display: grid;
  gap: 0.55rem;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: 0.6rem;
}

.arpeggio-inversion-card p {
  margin: 0;
  color: var(--muted);
}

.arpeggio-movement-list {
  display: grid;
  gap: 0.55rem;
}

.arpeggio-movement {
  display: grid;
  grid-template-columns: minmax(5rem, 1fr) auto minmax(5rem, 1fr) auto;
  gap: 0.55rem;
  align-items: center;
  padding: 0.65rem 0.75rem;
  border-radius: 0.45rem;
  background: rgba(255, 255, 255, 0.035);
}

.arpeggio-movement span {
  color: var(--muted);
}

.arpeggio-movement strong:last-child {
  color: var(--arpeggio-accent);
}

.arpeggio-empty-example {
  padding: 0.85rem;
  border: 1px dashed rgba(244, 197, 106, 0.45);
  border-radius: 0.55rem;
  color: var(--muted);
}

.arpeggio-glossary {
  margin-top: 1rem;
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.025);
}

.arpeggio-glossary summary {
  min-height: var(--tap-target);
  display: flex;
  align-items: center;
  cursor: pointer;
  font-weight: 850;
  color: var(--arpeggio-accent);
}

.arpeggio-glossary > p {
  color: var(--muted);
}

.arpeggio-glossary dl {
  display: grid;
  grid-template-columns: minmax(7rem, 0.3fr) minmax(0, 1fr);
  gap: 0.65rem 1rem;
  margin: 1rem 0 0;
}

.arpeggio-glossary dt {
  font-weight: 850;
}

.arpeggio-glossary dd {
  margin: 0;
  color: var(--muted);
}

.arpeggio-routines {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.arpeggio-routine-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  min-width: 0;
  gap: 0.8rem;
}

.arpeggio-routine-card {
  min-width: 0;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.025);
}

.arpeggio-routine-card h5 {
  margin: 0;
  color: var(--arpeggio-accent);
}

.arpeggio-routine-card > p {
  min-height: 3.1rem;
  color: var(--muted);
}

.arpeggio-routine-steps {
  display: grid;
  gap: 0.7rem;
}

.arpeggio-routine-step {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.65rem;
  align-items: start;
  min-width: 0;
}

.arpeggio-routine-step label {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.65rem;
  align-items: start;
  min-width: 0;
}

.arpeggio-routine-step input {
  width: 1.05rem;
  height: 1.05rem;
  margin-top: 0.18rem;
  accent-color: var(--arpeggio-accent);
}

.arpeggio-routine-step strong,
.arpeggio-routine-step span {
  display: block;
}

.arpeggio-routine-step span {
  margin-top: 0.15rem;
  color: var(--muted);
}

.arpeggio-routine-step .button {
  justify-self: start;
  max-width: calc(100% - 1.7rem);
  margin-left: 1.7rem;
  margin-top: 0.3rem;
  white-space: normal;
}

.arpeggio-education-status {
  margin: 1rem 0 0;
  color: var(--arpeggio-accent);
}
@media (max-width: 1100px) {
  .arpeggio-routine-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}


.arpeggio-fallback {
  padding: 2rem;
  color: var(--muted);
}

@media (max-width: 1000px) {
  .arpeggio-hero {
    grid-template-columns: 1fr;
  }

  .arpeggio-controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .arpeggio-education-header {
    grid-template-columns: 1fr;
  }

  .arpeggio-shell-header {
    display: block;
  }

  .arpeggio-related-actions {
    max-width: none;
    justify-content: flex-start;
    margin-top: 1rem;
  }
}

@media (max-width: 760px) {
  .arpeggio-main { padding-top: 0; }
  .arpeggio-hero { padding-top: 3rem; }
  .arpeggio-fret-answer {
    width: var(--tap-target);
    height: var(--tap-target);
  }
}

@media (max-width: 680px) {
  .arpeggio-main {
    width: min(100% - 1rem, var(--max-width));
    padding-top: 0;
  }

  .arpeggio-hero {
    padding-top: 3rem;
  }

  .arpeggio-controls,
  .arpeggio-connect-controls,
  .arpeggio-round-stats,
  .arpeggio-results {
    grid-template-columns: 1fr;
  }

  .arpeggio-comparison-grid {
    grid-template-columns: 1fr;
  }

  .arpeggio-education-header,
  .arpeggio-lesson-columns,
  .arpeggio-inversion-grid,
  .arpeggio-routine-grid {
    grid-template-columns: 1fr;
  }

  .arpeggio-learning-card.is-wide {
    grid-column: auto;
  }

  .arpeggio-position-marker,
  .arpeggio-movement {
    grid-template-columns: 1fr;
  }

  .arpeggio-instrument-field {
    grid-column: auto;
  }

  .arpeggio-round-stats > div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .arpeggio-round-stats > div:last-child {
    border-bottom: 0;
  }

  .arpeggio-selection {
    display: block;
  }

  .arpeggio-selection p {
    margin-top: 0.35rem;
  }

  .arpeggio-result-score {
    justify-items: start;
  }

  .arpeggio-missed,
  .arpeggio-result-actions {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .arpeggio-fret-answer,
  .arpeggio-role-chip {
    transition: none;
  }
}

.arpeggio-prompt-reference { max-width: 15rem; margin-top: 0.85rem; }
.arpeggio-prompt-reference[hidden] { display: none; }