#shed-solfege-trainer.st-app {
  all: initial;
  --ink: #333333;
  --paper: #f8f9fa;
  --card: #ffffff;
  --blue: #4f80ff;
  --yellow: #ffd13b;
  --purple: #7b52d9;
  --red: #e63c48;
  --pink: #f280ed;
  --green: #2f9e74;
  --muted: #6b7280;
  --line: #d9dee7;
  --panel: #eef2f7;
  display: block;
  min-height: 100vh;
  width: 100%;
  color: var(--ink);
  background: var(--paper);
  font-family: "proxima-nova", "Proxima Nova", "Avenir Next", "Segoe UI", sans-serif;
  line-height: 1.5;
  padding: clamp(18px, 3vw, 34px);
  contain: layout style;
  isolation: isolate;
}

#shed-solfege-trainer.st-app,
#shed-solfege-trainer.st-app *,
#shed-solfege-trainer.st-app *::before,
#shed-solfege-trainer.st-app *::after {
  box-sizing: border-box;
}

#shed-solfege-trainer button,
#shed-solfege-trainer input,
#shed-solfege-trainer select {
  font: inherit;
}

#shed-solfege-trainer button {
  cursor: pointer;
}

#shed-solfege-trainer button:disabled {
  cursor: default;
  opacity: 0.55;
}

#shed-solfege-trainer .st-wrap {
  position: relative;
  width: min(1240px, 100%);
  margin: 0 auto;
}

#shed-solfege-trainer .st-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 22px;
  align-items: end;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 22px;
  margin-bottom: 14px;
}

#shed-solfege-trainer .st-kicker,
#shed-solfege-trainer .st-title,
#shed-solfege-trainer .st-lede,
#shed-solfege-trainer .st-card-title,
#shed-solfege-trainer .st-card-copy,
#shed-solfege-trainer .st-label,
#shed-solfege-trainer .st-section-title,
#shed-solfege-trainer .st-field-label {
  margin: 0;
  letter-spacing: 0;
}

#shed-solfege-trainer .st-kicker {
  margin-bottom: 8px;
  color: var(--purple);
  font-size: 13px;
  font-weight: 900;
  line-height: 1.2;
}

#shed-solfege-trainer .st-title {
  margin-bottom: 8px;
  font-size: clamp(40px, 6vw, 70px);
  font-weight: 900;
  line-height: 0.92;
}

#shed-solfege-trainer .st-lede {
  max-width: 720px;
  color: var(--ink);
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 700;
}

#shed-solfege-trainer .st-top-actions,
#shed-solfege-trainer .st-transport,
#shed-solfege-trainer .st-inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

#shed-solfege-trainer .st-top-actions {
  justify-content: flex-end;
  min-width: 310px;
}

#shed-solfege-trainer .st-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  box-shadow: 0 3px 0 var(--ink);
  padding: 9px 15px;
  background: var(--card);
  color: var(--ink);
  font-size: 15px;
  font-weight: 900;
  line-height: 1.1;
  text-align: center;
  text-decoration: none;
  transition: transform 120ms cubic-bezier(0.2, 0, 0, 1), box-shadow 120ms cubic-bezier(0.2, 0, 0, 1);
}

#shed-solfege-trainer .st-btn:hover,
#shed-solfege-trainer .st-btn:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 4px 0 var(--ink);
}

#shed-solfege-trainer .st-btn:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 var(--ink);
}

#shed-solfege-trainer .st-btn-primary {
  background: var(--blue);
  color: #ffffff;
}

#shed-solfege-trainer .st-btn-yellow {
  background: var(--yellow);
  color: var(--ink);
}

#shed-solfege-trainer .st-btn-purple {
  background: var(--purple);
  color: #ffffff;
}

#shed-solfege-trainer .st-btn-small {
  min-height: 36px;
  padding: 8px 12px;
  font-size: 13px;
}

#shed-solfege-trainer .st-btn-square {
  width: 42px;
  min-width: 42px;
  padding: 0;
}

#shed-solfege-trainer .st-sidebar-scrim {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(51, 51, 51, 0.28);
}

#shed-solfege-trainer .st-sidebar-scrim[hidden] {
  display: none;
}

#shed-solfege-trainer .st-preset-sidebar {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 41;
  width: min(380px, calc(100vw - 28px));
  overflow-y: auto;
  border-right: 2px solid var(--ink);
  box-shadow: 4px 0 0 var(--ink);
  background: #333333;
  color: #ffffff;
  padding: 18px;
  transform: translateX(calc(-100% - 8px));
  transition: transform 160ms cubic-bezier(0.2, 0, 0, 1);
}

#shed-solfege-trainer .st-preset-sidebar.is-open {
  transform: translateX(0);
}

#shed-solfege-trainer .st-sidebar-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
  border-bottom: 2px solid rgba(255, 255, 255, 0.34);
  padding-bottom: 14px;
  margin-bottom: 14px;
}

#shed-solfege-trainer .st-sidebar-title {
  margin: 4px 0 0;
  color: #ffffff;
  font-size: 28px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0;
}

#shed-solfege-trainer .st-preset-sidebar .st-label {
  color: var(--yellow);
}

#shed-solfege-trainer .st-status-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
  padding: 0;
  margin: -1px;
}

#shed-solfege-trainer .st-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  align-items: start;
}

#shed-solfege-trainer .st-main {
  display: grid;
  gap: 14px;
}

#shed-solfege-trainer .st-control-panels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  align-items: start;
}

#shed-solfege-trainer .st-card,
#shed-solfege-trainer .st-stage-card {
  border: 2px solid var(--ink);
  border-radius: 8px;
  box-shadow: 0 3px 0 var(--ink);
  background: var(--card);
}

#shed-solfege-trainer .st-card {
  padding: 16px;
}

#shed-solfege-trainer .st-details {
  padding: 0;
  overflow: hidden;
}

#shed-solfege-trainer .st-details-wide {
  grid-column: 1 / -1;
}

#shed-solfege-trainer .st-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

#shed-solfege-trainer .st-details summary::-webkit-details-marker {
  display: none;
}

#shed-solfege-trainer .st-details summary strong {
  display: block;
  margin-top: 4px;
  color: var(--ink);
  font-size: 21px;
  font-weight: 900;
  line-height: 1.05;
}

#shed-solfege-trainer .st-caret {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--yellow);
  color: var(--ink);
  font-size: 18px;
  font-weight: 900;
  line-height: 1;
}

#shed-solfege-trainer .st-details[open] .st-caret {
  background: var(--blue);
  color: #ffffff;
}

#shed-solfege-trainer .st-details[open] .st-caret::before {
  content: "";
  display: block;
  width: 12px;
  height: 2px;
  background: currentColor;
}

#shed-solfege-trainer .st-details[open] .st-caret {
  font-size: 0;
}

#shed-solfege-trainer .st-details-body {
  border-top: 2px solid var(--ink);
  padding: 16px;
}

#shed-solfege-trainer .st-setup-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 16px;
  align-items: start;
}

#shed-solfege-trainer .st-setup-column {
  min-width: 0;
}

#shed-solfege-trainer .st-setup-side {
  display: grid;
  gap: 12px;
}

#shed-solfege-trainer .st-stage-card {
  overflow: hidden;
}

#shed-solfege-trainer .st-stage-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  border-bottom: 2px solid var(--ink);
  padding: 16px;
}

#shed-solfege-trainer .st-label {
  color: var(--purple);
  font-size: 11px;
  font-weight: 900;
  line-height: 1.2;
  text-transform: uppercase;
}

#shed-solfege-trainer .st-card-title,
#shed-solfege-trainer .st-section-title {
  margin-top: 4px;
  font-size: 22px;
  font-weight: 900;
  line-height: 1.05;
}

#shed-solfege-trainer .st-card-copy {
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

#shed-solfege-trainer .st-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

#shed-solfege-trainer .st-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--yellow);
  padding: 5px 10px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
}

#shed-solfege-trainer .st-stage {
  position: relative;
  height: clamp(430px, 45vw, 590px);
  min-height: 390px;
  overflow: hidden;
  background: #ffffff;
}

#shed-solfege-trainer .st-notes {
  position: absolute;
  inset: 0;
}

#shed-solfege-trainer .st-note {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  box-shadow: 0 2px 0 var(--ink);
  background: var(--note-color, var(--blue));
  color: var(--note-text, #ffffff);
  font-size: 17px;
  font-weight: 900;
  line-height: 1;
  transform: translate(-50%, -50%);
  transition: transform 120ms ease, box-shadow 120ms ease, outline-color 120ms ease;
}

#shed-solfege-trainer .st-note:hover,
#shed-solfege-trainer .st-note:focus-visible,
#shed-solfege-trainer .st-note.is-active {
  transform: translate(-50%, -50%) scale(1.06);
  box-shadow: 0 4px 0 var(--ink);
}

#shed-solfege-trainer .st-note.is-active {
  outline: 4px solid rgba(51, 51, 51, 0.25);
  z-index: 2;
}

#shed-solfege-trainer .st-playhead {
  position: absolute;
  top: 18px;
  bottom: 18px;
  width: 3px;
  border-radius: 999px;
  background: rgba(51, 51, 51, 0.72);
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 1;
}

#shed-solfege-trainer .st-count {
  position: absolute;
  top: 18px;
  right: 18px;
  display: none;
  min-width: 56px;
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: var(--yellow);
  padding: 8px 10px;
  text-align: center;
  color: var(--ink);
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
  z-index: 3;
}

#shed-solfege-trainer .st-count.is-visible {
  display: block;
}

#shed-solfege-trainer .st-transport {
  justify-content: center;
}

#shed-solfege-trainer .st-presets {
  display: grid;
  gap: 10px;
}

#shed-solfege-trainer .st-preset-group {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  border-top: 2px solid var(--ink);
  padding-top: 10px;
}

#shed-solfege-trainer .st-preset-title {
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
  line-height: 1.2;
}

#shed-solfege-trainer .st-preset-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

#shed-solfege-trainer .st-preset {
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--card);
  padding: 7px 11px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 850;
  line-height: 1.15;
}

#shed-solfege-trainer .st-preset:hover,
#shed-solfege-trainer .st-preset:focus-visible,
#shed-solfege-trainer .st-preset.is-active {
  background: var(--yellow);
}

#shed-solfege-trainer .st-preset-sidebar .st-presets {
  gap: 0;
}

#shed-solfege-trainer .st-preset-sidebar .st-preset-group {
  grid-template-columns: 1fr;
  gap: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.28);
  padding: 13px 0;
}

#shed-solfege-trainer .st-preset-sidebar .st-preset-group:first-child {
  border-top: 0;
  padding-top: 0;
}

#shed-solfege-trainer .st-preset-sidebar .st-preset-title {
  color: #ffffff;
}

#shed-solfege-trainer .st-preset-sidebar .st-preset-buttons {
  display: grid;
  grid-template-columns: 1fr;
  gap: 7px;
}

#shed-solfege-trainer .st-preset-sidebar .st-preset {
  width: 100%;
  border-color: #1f1f1f;
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  text-align: left;
}

#shed-solfege-trainer .st-preset-sidebar .st-preset:hover,
#shed-solfege-trainer .st-preset-sidebar .st-preset:focus-visible,
#shed-solfege-trainer .st-preset-sidebar .st-preset.is-active {
  background: var(--yellow);
}

#shed-solfege-trainer .st-fields {
  display: grid;
  gap: 12px;
}

#shed-solfege-trainer .st-field {
  display: grid;
  gap: 5px;
}

#shed-solfege-trainer .st-field-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

#shed-solfege-trainer .st-field-label {
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
}

#shed-solfege-trainer .st-field-meta {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

#shed-solfege-trainer .st-input,
#shed-solfege-trainer .st-select {
  width: 100%;
  min-height: 40px;
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  padding: 8px 10px;
  font-size: 14px;
  font-weight: 750;
  line-height: 1.2;
}

#shed-solfege-trainer .st-range {
  width: 100%;
  accent-color: var(--blue);
}

#shed-solfege-trainer .st-segmented {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
}

#shed-solfege-trainer .st-segmented-btn {
  min-height: 38px;
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: var(--card);
  color: var(--ink);
  padding: 7px 8px;
  font-size: 13px;
  font-weight: 900;
  line-height: 1;
}

#shed-solfege-trainer .st-segmented-btn:hover,
#shed-solfege-trainer .st-segmented-btn:focus-visible,
#shed-solfege-trainer .st-segmented-btn.is-active {
  background: var(--yellow);
}

#shed-solfege-trainer .st-check {
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

#shed-solfege-trainer .st-check input {
  width: 18px;
  height: 18px;
  accent-color: var(--blue);
}

#shed-solfege-trainer .st-control-divider {
  border-top: 2px solid var(--ink);
  margin-top: 4px;
}

#shed-solfege-trainer .st-panel-subhead strong {
  display: block;
  margin-top: 4px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 900;
  line-height: 1.05;
}

#shed-solfege-trainer .st-note-filter {
  display: grid;
  gap: 10px;
}

#shed-solfege-trainer .st-syllable-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 7px;
}

#shed-solfege-trainer .st-syllable-btn {
  min-height: 36px;
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: var(--card);
  color: var(--ink);
  padding: 7px 6px;
  font-size: 13px;
  font-weight: 900;
  line-height: 1;
}

#shed-solfege-trainer .st-syllable-btn.is-on {
  background: var(--note-color, var(--blue));
  color: var(--note-text, #ffffff);
}

#shed-solfege-trainer .st-syllable-btn[data-text="dark"].is-on {
  color: var(--ink);
}

@media (max-width: 1040px) {
  #shed-solfege-trainer .st-control-panels {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  #shed-solfege-trainer.st-app {
    padding: 18px 12px;
  }

  #shed-solfege-trainer .st-top,
  #shed-solfege-trainer .st-stage-head,
  #shed-solfege-trainer .st-preset-group,
  #shed-solfege-trainer .st-setup-grid,
  #shed-solfege-trainer .st-control-panels {
    grid-template-columns: 1fr;
  }

  #shed-solfege-trainer .st-top-actions,
  #shed-solfege-trainer .st-badges {
    justify-content: flex-start;
    min-width: 0;
  }

  #shed-solfege-trainer .st-stage {
    height: 410px;
    min-height: 410px;
  }

  #shed-solfege-trainer .st-note {
    width: 54px;
    height: 54px;
    font-size: 15px;
  }
}

@media (max-width: 540px) {
  #shed-solfege-trainer .st-btn,
  #shed-solfege-trainer .st-top-actions,
  #shed-solfege-trainer .st-field-row,
  #shed-solfege-trainer .st-inline-actions,
  #shed-solfege-trainer .st-transport {
    width: 100%;
  }

  #shed-solfege-trainer .st-btn {
    min-width: 0;
  }

  #shed-solfege-trainer .st-field-row {
    grid-template-columns: 1fr;
  }

  #shed-solfege-trainer .st-syllable-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  #shed-solfege-trainer .st-btn,
  #shed-solfege-trainer .st-note,
  #shed-solfege-trainer .st-preset-sidebar {
    transition: none;
  }
}