:root {
  --page-bg: #f4ede2;
  --page-glow: rgba(191, 120, 42, 0.14);
  --panel-bg: rgba(255, 251, 246, 0.88);
  --panel-border: rgba(96, 61, 36, 0.16);
  --ink: #21160f;
  --muted: #655347;
  --accent: #b46e30;
  --accent-deep: #7e4216;
  --accent-soft: rgba(180, 110, 48, 0.15);
  --shadow: 0 14px 40px rgba(70, 42, 24, 0.12);
  --radius: 28px;
  --control-height: 48px;
}

* {
  box-sizing: border-box;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: 'Manrope', 'Avenir Next', 'Segoe UI', sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, var(--page-glow), transparent 34%),
    radial-gradient(circle at bottom right, rgba(126, 66, 22, 0.08), transparent 28%),
    linear-gradient(180deg, #f8f2e9 0%, var(--page-bg) 100%);
}

button,
input,
select {
  font: inherit;
}

button,
input[type='checkbox'],
input[type='radio'],
input[type='range'],
select {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(180, 110, 48, 0.38);
  outline-offset: 2px;
}

.page-shell {
  max-width: 1520px;
  min-height: 100svh;
  margin: 0 auto;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.eyebrow,
.panel-kicker,
.status-label {
  margin: 0;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent-deep);
  font-weight: 800;
}

.panel h1,
.panel h2,
.control-block h3 {
  margin: 0;
  font-family: 'DM Serif Display', Georgia, serif;
  letter-spacing: 0.01em;
}

.status-pill,
.panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.status-pill {
  border-radius: 20px;
  padding: 10px 14px;
}

.status-pill strong {
  display: block;
  margin-top: 5px;
  font-size: 17px;
}

.app-shell {
  display: grid;
  gap: 10px;
  flex: 1;
  align-content: start;
}

.page-footer {
  margin-top: auto;
  padding: 4px 8px 10px;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}

.page-footer a {
  color: inherit;
}

.noscript-copy {
  width: min(720px, calc(100% - 24px));
  margin: 0 auto 14px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 251, 246, 0.94);
  border: 1px solid rgba(96, 61, 36, 0.12);
  box-shadow: var(--shadow);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.panel {
  border-radius: var(--radius);
  padding: clamp(10px, 1.1vw, 14px);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.panel-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 10px;
  margin: 0;
  flex-wrap: wrap;
  padding: 6px 6px 4px;
}

.center-heading {
  align-items: center;
}

.deck-heading {
  align-items: end;
}

.panel h1,
.panel h2 {
  font-size: clamp(20px, 1.5vw, 28px);
  line-height: 1;
}

.control-block h3 {
  font-size: clamp(18px, 1.3vw, 22px);
  line-height: 1;
}

.generate-button,
.transport-button,
.swap-shape,
.preview-chord {
  border: none;
  border-radius: 999px;
  background: var(--accent);
  color: #fff7ef;
  font-weight: 800;
  padding: 8px 14px;
  transition: transform 140ms ease, background 140ms ease;
}

.transport-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(96, 61, 36, 0.12);
  background: rgba(255, 255, 255, 0.68);
  font-weight: 800;
  color: var(--ink);
  white-space: nowrap;
}

.transport-toggle input {
  margin: 0;
}

.generate-button:hover,
.transport-button:hover,
.swap-shape:hover,
.preview-chord:hover {
  transform: translateY(-1px);
  background: var(--accent-deep);
}

.action-cluster {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: end;
}

.control-block-header-split {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
}

.rhythm-actions {
  justify-content: end;
  gap: 10px;
  flex-wrap: nowrap;
}

.status-strip {
  display: none;
}

.control-grid {
  display: grid;
  grid-template-columns: 1.05fr 1.25fr 1fr;
  gap: 8px;
}

.control-block {
  --control-rail: 2px;
  display: grid;
  gap: 10px;
  padding: 12px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.56);
  border: 1px solid rgba(96, 61, 36, 0.12);
}

.voicings-block {
  gap: 10px;
  align-content: start;
}

.key-block {
  align-content: start;
  grid-template-rows: auto auto minmax(0, 1fr) auto auto;
}

.key-block > .key-row {
  grid-row: 4;
}

.key-block > .key-generate-button {
  grid-row: 5;
}

.control-block-header {
  display: grid;
  gap: 3px;
  padding: 1px var(--control-rail) 0;
}

.aligned-control-header {
  grid-template-rows: auto;
}

.control-caption {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.35;
}

.key-row {
  display: grid;
  grid-template-columns: minmax(90px, 112px) minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.field-compact {
  justify-self: start;
}

.key-root-field select {
  min-width: 0;
}

.key-generate-button {
  width: 100%;
  justify-self: stretch;
  min-height: 42px;
  white-space: nowrap;
}

.field,
.segmented-field,
.checkbox-field,
.beat-box {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0 var(--control-rail);
}

.segmented-field,
.checkbox-field {
  border: 0;
  min-inline-size: 0;
}

.field-label,
.segmented-field legend,
.checkbox-field legend {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 800;
  color: var(--muted);
}

.segmented-field legend,
.checkbox-field legend {
  padding: 0;
  margin: 0 0 2px;
}

select,
input[type='number'] {
  width: 100%;
  min-height: var(--control-height);
  border: 1px solid rgba(96, 61, 36, 0.18);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.75);
  color: var(--ink);
  padding: 9px 12px;
  line-height: 1;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-width: 0;
  min-height: var(--control-height);
  padding: 8px 10px;
  border-radius: 14px;
  border: 1px solid rgba(96, 61, 36, 0.12);
  background: rgba(255, 255, 255, 0.54);
  font-weight: 700;
}

.toggle-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: 0 var(--control-rail);
}

input[type='checkbox'],
input[type='radio'] {
  accent-color: var(--accent);
}

.segmented {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.mode-segmented {
  grid-template-columns: repeat(3, minmax(0, 128px));
}

.inline-mode-segmented {
  grid-template-columns: repeat(3, minmax(0, 108px));
  justify-content: start;
}

.segmented label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 0;
  min-height: var(--control-height);
  padding: 8px 10px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(96, 61, 36, 0.12);
  font-weight: 700;
  line-height: 1;
}

.segmented input {
  margin: 0;
}

.checkbox-field {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 6px;
  align-content: start;
}

.checkbox-field-group {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 6px;
}

.checkbox-field-group + .checkbox-field-group {
  margin-top: 8px;
}

.checkbox-field-group-compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.checkbox-field label {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  min-height: var(--control-height);
  padding: 8px 10px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.52);
  border: 1px solid rgba(96, 61, 36, 0.11);
  font-weight: 700;
}

.toggle-row span,
.segmented label span,
.checkbox-field label span {
  min-width: 0;
  overflow-wrap: normal;
  word-break: normal;
  hyphens: none;
}

.checkbox-field legend {
  margin-bottom: 4px;
}

.inline-warning {
  min-height: 16px;
  margin: 2px 4px 0;
  color: var(--accent-deep);
  font-size: 12px;
  font-weight: 700;
}

.inline-warning:empty {
  display: none;
  min-height: 0;
  margin: 0;
}

.progression-body {
  position: relative;
  min-height: 278px;
}

.progression-key {
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  gap: 6px;
  align-content: start;
  width: 190px;
  padding: 2px 6px 0 12px;
}

.progression-key.is-hidden {
  display: none;
}

.progression-key-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent-deep);
  font-weight: 800;
}

.progression-key-title {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(28px, 2.1vw, 36px);
  line-height: 0.94;
  color: var(--ink);
}

.progression-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(206px, 246px));
  gap: 18px;
  align-items: stretch;
  justify-content: center;
  width: fit-content;
  margin: 0 auto;
}

.progression-grid.progression-grid-empty {
  width: min(100%, 760px);
  grid-template-columns: minmax(0, 1fr);
}

.chord-card {
  --card-stage-width: 100%;
  --card-chip-row-height: 18px;
  --card-title-row-height: 18px;
  --card-header-gap: 1px;
  --diagram-top-pull: 14px;
  --card-action-gap: 4px;
  --card-action-font-size: 8px;
  --card-action-padding-block: 4px;
  --card-action-padding-inline: 10px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 8px;
  border-radius: 24px;
  padding: 12px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(251, 243, 232, 0.92));
  border: 1px solid rgba(96, 61, 36, 0.12);
  overflow: hidden;
  min-height: 300px;
  transition: border-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}

.empty-state-card {
  grid-template-rows: auto auto auto;
  gap: 12px;
  min-height: 250px;
  padding: 18px 20px 20px;
  background:
    radial-gradient(circle at top right, rgba(214, 179, 145, 0.24), transparent 34%),
    linear-gradient(180deg, rgba(255, 252, 247, 0.96), rgba(244, 235, 223, 0.92));
}

.empty-state-header {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  min-height: 84px;
  padding-top: 4px;
}

.empty-state-title-row {
  display: block;
  width: 100%;
}

.empty-state-title-row h3 {
  margin: 0 auto;
  max-width: 26ch;
  text-align: center;
}

.chord-card.playing {
  border-color: rgba(180, 110, 48, 0.72);
  box-shadow:
    0 0 0 3px rgba(180, 110, 48, 0.18),
    0 16px 36px rgba(126, 66, 22, 0.16);
  transform: translateY(-1px);
}

.chord-card h3 {
  margin: 0;
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(22px, 1.6vw, 28px);
  line-height: 0.95;
}

.card-header {
  display: grid;
  grid-template-rows: minmax(var(--card-chip-row-height), auto) minmax(var(--card-title-row-height), auto);
  row-gap: var(--card-header-gap);
  align-content: start;
  width: 100%;
  min-height: calc(var(--card-chip-row-height) + var(--card-title-row-height) + var(--card-header-gap));
  padding: 1px 1px 0;
}

.card-chip-row,
.card-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.card-actions {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  justify-content: center;
  gap: var(--card-action-gap);
  width: var(--card-stage-width);
  margin-inline: auto;
  padding-top: 2px;
}

.step-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  padding: 5px 8px;
  border-radius: 999px;
  background: rgba(33, 22, 15, 0.08);
  color: var(--ink);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.theory-chip,
.voicing-chip {
  display: inline-flex;
  align-items: center;
  max-width: min(100%, 22ch);
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-chip-row {
  min-width: 0;
}

.card-chip-row .theory-chip,
.card-chip-row .voicing-chip {
  flex: 0 1 auto;
  min-width: 0;
}

.card-chip-row .voicing-chip {
  margin-left: auto;
}

.card-header > h3 {
  justify-self: center;
  text-align: center;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.diagram-wrap {
  display: grid;
  align-content: start;
  justify-items: center;
  width: var(--card-stage-width);
  min-height: 0;
  margin-inline: auto;
  margin-top: calc(var(--diagram-top-pull) * -1);
  padding: 0;
}

.empty-state-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 126px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.68), rgba(231, 215, 198, 0.5));
  overflow: hidden;
}

.empty-state-fretboard {
  position: relative;
  width: min(100%, 420px);
  height: 84px;
  border-radius: 18px;
  border: 1px solid rgba(96, 61, 36, 0.1);
  background:
    linear-gradient(90deg, rgba(96, 61, 36, 0.06) 0, rgba(96, 61, 36, 0.06) 1px, transparent 1px) 0 0 / 20% 100%,
    linear-gradient(180deg, rgba(96, 61, 36, 0.08), rgba(96, 61, 36, 0.03));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.empty-state-fretboard span {
  position: absolute;
  left: 24px;
  right: 24px;
  height: 1.5px;
  background: rgba(43, 28, 17, 0.26);
}

.empty-state-fretboard span:nth-child(1) { top: 15px; }
.empty-state-fretboard span:nth-child(2) { top: 26px; }
.empty-state-fretboard span:nth-child(3) { top: 37px; }
.empty-state-fretboard span:nth-child(4) { top: 48px; }
.empty-state-fretboard span:nth-child(5) { top: 59px; }
.empty-state-fretboard span:nth-child(6) { top: 70px; }

.empty-state-pulse {
  position: absolute;
  width: 92px;
  height: 92px;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(180, 110, 48, 0.22) 0 22%, rgba(180, 110, 48, 0.08) 22% 48%, transparent 48%);
  filter: blur(1px);
}

.chord-diagram {
  display: block;
  width: min(100%, 200px);
  height: auto;
}

.diagram-string,
.diagram-fret,
.diagram-nut,
.diagram-barre {
  stroke: #1c140e;
  stroke-linecap: round;
}

.diagram-string,
.diagram-fret {
  stroke-width: 1.5;
}

.diagram-nut {
  stroke-width: 5;
}

.diagram-barre {
  stroke-width: 8;
}

.diagram-dot {
  fill: #19120c;
}

.diagram-state,
.diagram-finger,
.diagram-basefret {
  font-family: 'Manrope', sans-serif;
  fill: #19120c;
  text-anchor: middle;
}

.diagram-state {
  font-size: 11px;
  font-weight: 700;
}

.diagram-finger {
  font-size: 9px;
  font-weight: 800;
  fill: #fff7ef;
  dominant-baseline: middle;
}

.diagram-basefret {
  text-anchor: start;
  font-size: 10px;
  font-weight: 800;
  fill: var(--muted);
}

.card-actions .preview-chord,
.card-actions .swap-shape {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  min-width: max-content;
  padding: var(--card-action-padding-block) var(--card-action-padding-inline);
  font-size: var(--card-action-font-size);
  line-height: 1;
  white-space: nowrap;
}

.card-actions .preview-chord {
  background: rgba(33, 22, 15, 0.9);
}

.swap-shape:disabled,
.preview-chord:disabled {
  cursor: default;
  opacity: 0.45;
  transform: none;
  background: #bca695;
}

@media (min-width: 1041px) {
  .page-shell {
    max-width: 1800px;
  }

  .progression-body {
    position: static;
    min-height: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .progression-key {
    position: static;
    width: 100%;
    display: grid;
    grid-template-columns: auto auto minmax(0, 1fr);
    align-items: baseline;
    gap: 6px;
    padding: 0 4px;
  }

  .progression-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    width: 100%;
    margin: 0;
  }

  .progression-grid.progression-grid-empty {
    width: 100%;
  }

  .chord-card:not(.empty-state-card) {
    width: 100%;
    max-width: 280px;
    justify-self: center;
    --card-stage-width: min(calc(100% - 22px), 220px);
    --card-chip-row-height: 16px;
    --card-title-row-height: 16px;
    --card-header-gap: 1px;
    --diagram-top-pull: 12px;
    --card-action-gap: 4px;
    --card-action-font-size: 8px;
    --card-action-padding-block: 4px;
    --card-action-padding-inline: 9px;
    padding: 8px 9px 10px;
  }

  .chord-card:not(.empty-state-card) .card-header {
    padding-bottom: 4px;
  }

  .chord-card:not(.empty-state-card) .theory-chip,
  .chord-card:not(.empty-state-card) .voicing-chip {
    font-size: 7px;
    padding: 4px 6px;
  }

  .chord-diagram {
    width: min(100%, 188px);
  }

}

@media (min-width: 1261px) {
  .progression-body {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .progression-key {
    justify-self: stretch;
    display: grid;
    grid-template-columns: auto auto minmax(0, 1fr);
    align-items: baseline;
    gap: 6px;
    width: 100%;
    padding: 0 4px;
    text-align: left;
  }

  .progression-key-label {
    font-size: 8px;
    letter-spacing: 0.14em;
  }

  .progression-key-title {
    font-size: 20px;
    line-height: 0.98;
  }

  .progression-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    width: 100%;
    margin: 0;
  }
}

@media (min-width: 1440px) {
  .page-shell {
    max-width: 1920px;
  }

  .progression-body {
    grid-template-columns: 1fr;
  }

  .progression-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .chord-card:not(.empty-state-card) {
    max-width: 344px;
    --card-stage-width: min(calc(100% - 30px), 304px);
  }

  .chord-diagram {
    width: min(100%, 248px);
  }
}

.tempo-inputs,
.rhythm-fields {
  display: grid;
  gap: 8px;
}

.tempo-inputs {
  grid-template-columns: 1fr auto;
  align-items: center;
}

input[type='range'] {
  width: 100%;
}

.tempo-box {
  display: flex;
  align-items: center;
  gap: 6px;
}

.tempo-box input {
  width: 72px;
}

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

.beat-header {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 1px;
  font-weight: 700;
}

.beat-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
  gap: 8px;
  min-height: 16px;
}

.beat-header strong {
  min-height: 1em;
}

.beat-indicator {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 6px;
  flex: 1;
}

.beat-row strong {
  display: block;
  width: auto;
  min-width: 0;
  text-align: left;
  white-space: nowrap;
  line-height: 1;
  padding: 0;
}

.beat-dot {
  min-height: 12px;
  border-radius: 999px;
  background: rgba(96, 61, 36, 0.12);
  transition: transform 120ms ease, background 120ms ease, box-shadow 120ms ease;
}

.beat-dot.active {
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(180, 110, 48, 0.18);
  transform: translateY(-1px);
}

@media (prefers-reduced-motion: reduce) {
  .generate-button,
  .transport-button,
  .swap-shape,
  .preview-chord,
  .chord-card,
  .beat-dot {
    transition: none;
  }
}

@media (max-width: 1260px) {
  .control-grid,
  .progression-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .progression-grid.progression-grid-empty {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .progression-body {
    display: grid;
    grid-template-columns: 1fr;
    position: static;
    min-height: 0;
    gap: 10px;
  }

  .progression-key {
    position: static;
    width: 100%;
    padding: 0 2px 0 8px;
  }
}

@media (max-width: 1040px) {
  :root {
    --control-height: 40px;
    --radius: 22px;
  }

  body {
    font-size: 15px;
  }

  .page-shell {
    padding: 7px;
  }

  .panel {
    padding: 7px;
    gap: 6px;
  }

  .panel-heading {
    padding: 2px 2px 1px;
  }

  .control-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
  }

  .control-grid > .control-block:last-child {
    grid-column: 1 / -1;
  }

  .control-block {
    gap: 6px;
    padding: 7px;
    border-radius: 22px;
  }

  .control-block-header-split {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 5px;
  }

  .panel-kicker,
  .field-label,
  .segmented-field legend,
  .checkbox-field legend {
    font-size: 9px;
  }

  .toggle-row,
  .segmented label,
  .checkbox-field label,
  select,
  input[type='number'] {
    font-size: 12px;
  }

  .panel h1,
  .panel h2 {
    font-size: 18px;
    line-height: 0.95;
  }

  .noscript-copy {
    font-size: 12px;
  }

  .control-block h3 {
    font-size: 16px;
  }

  .control-caption {
    font-size: 9px;
  }

  .generate-button,
  .transport-button,
  .swap-shape,
  .preview-chord {
    padding: 6px 10px;
    font-size: 11px;
  }

  .transport-toggle {
    gap: 4px;
    padding: 4px 7px;
    font-size: 11px;
  }

  .key-row {
    grid-template-columns: minmax(82px, 96px) minmax(0, 1fr);
    gap: 6px;
  }

  .toggle-row,
  .segmented label,
  .checkbox-field label {
    gap: 6px;
    padding: 5px 8px;
    border-radius: 12px;
  }

  select,
  input[type='number'] {
    padding: 7px 10px;
    border-radius: 12px;
  }

  .toggle-pair,
  .rhythm-fields,
  .checkbox-field,
  .checkbox-field-group,
  .checkbox-field-group-compact,
  .tempo-inputs {
    gap: 4px 5px;
  }

  .inline-mode-segmented {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .key-generate-button {
    min-height: 36px;
  }

  .tempo-box {
    gap: 5px;
  }

  .tempo-box input {
    width: 58px;
  }

  .beat-header,
  .beat-row {
    gap: 6px;
  }

  .beat-dot {
    min-height: 10px;
  }

  .progression-body {
    position: static;
    min-height: 0;
    gap: 10px;
  }

  .progression-key {
    position: static;
    width: 100%;
    display: grid;
    grid-template-columns: auto auto minmax(0, 1fr);
    align-items: baseline;
    gap: 6px;
    padding: 0 4px;
  }

  .progression-key-label {
    font-size: 8px;
    letter-spacing: 0.14em;
  }

  .progression-key-title {
    font-size: 20px;
    line-height: 0.98;
  }

  .progression-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
    width: 100%;
  }

  .chord-card {
    --card-chip-row-height: 16px;
    --card-title-row-height: 14px;
    --card-header-gap: 1px;
    --diagram-top-pull: 10px;
    min-height: 0;
    padding: 7px 6px;
    gap: 5px;
    border-radius: 18px;
  }

  .card-header {
    column-gap: 6px;
    padding: 0;
  }

  .chord-card h3 {
    font-size: 16px;
  }

  .chord-diagram {
    width: min(100%, 112px);
  }

  .card-actions {
    display: grid;
    grid-template-columns: max-content max-content;
    width: auto;
    max-width: 100%;
    justify-content: center;
    gap: 4px;
    padding-top: 0;
  }

  .theory-chip,
  .voicing-chip {
    font-size: 7px;
    padding: 4px 6px;
    max-width: 100%;
    white-space: nowrap;
  }

  .chord-card {
    --card-action-font-size: 8px;
    --card-action-padding-block: 4px;
    --card-action-padding-inline: 9px;
  }
}

@media (max-height: 900px) and (min-width: 1041px) {
  .control-caption {
    display: none;
  }

  .aligned-control-header {
    block-size: 33px;
  }

  .status-strip,
  .step-chip {
    display: none;
  }

  .page-shell {
    padding: 8px 10px;
  }

  .panel {
    padding: 8px;
    gap: 6px;
  }

  .panel-heading {
    padding: 4px 4px 2px;
  }

  .control-block {
    padding: 9px;
    gap: 5px;
  }

  .control-block {
    --control-rail: 1px;
  }

  .control-grid {
    gap: 6px;
  }

  .panel h1,
  .panel h2 {
    font-size: clamp(18px, 1.3vw, 24px);
  }

  .toggle-row,
  .segmented label,
  .checkbox-field label,
  select,
  input[type='number'] {
    font-size: 13px;
  }

  .progression-panel {
    gap: 4px;
  }

  .progression-body {
    position: static;
    min-height: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .progression-key {
    position: static;
    width: 100%;
    display: grid;
    grid-template-columns: auto auto minmax(0, 1fr);
    align-items: baseline;
    gap: 5px;
    padding: 0 2px;
  }

  .progression-key-title {
    font-size: clamp(22px, 1.8vw, 28px);
  }

  .key-row {
    grid-template-columns: minmax(82px, 98px) minmax(0, 1fr);
    gap: 8px;
  }

  .mode-segmented {
    grid-template-columns: repeat(3, minmax(0, 110px));
  }

  .inline-mode-segmented {
    grid-template-columns: repeat(3, minmax(0, 96px));
  }

  .progression-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    width: 100%;
    margin: 0;
  }

  .chord-card:not(.empty-state-card) {
    width: 100%;
    max-width: 256px;
    justify-self: center;
    --card-stage-width: min(calc(100% - 22px), 206px);
    --card-chip-row-height: 16px;
    --card-title-row-height: 16px;
    --card-header-gap: 1px;
    --diagram-top-pull: 10px;
  }

  .chord-card {
    min-height: 210px;
    padding: 8px 9px 10px;
    gap: 5px;
  }

  .empty-state-card {
    padding: 16px;
    gap: 12px;
  }

  .chord-card h3 {
    font-size: clamp(20px, 1.45vw, 24px);
  }

  .chord-diagram {
    width: min(100%, 174px);
  }

  .theory-chip,
  .voicing-chip {
    font-size: 7px;
    padding: 4px 6px;
  }
}

@media (max-height: 900px) and (min-width: 1261px) {
  .progression-body {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .progression-key {
    justify-self: stretch;
    display: grid;
    grid-template-columns: auto auto minmax(0, 1fr);
    align-items: baseline;
    gap: 5px;
    width: 100%;
    padding: 0 2px;
    text-align: left;
  }

  .progression-key-label {
    font-size: 8px;
    letter-spacing: 0.14em;
  }

  .progression-key-title {
    font-size: 20px;
    line-height: 0.98;
  }

  .progression-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    width: 100%;
    margin: 0;
  }
}

@media (max-height: 900px) and (min-width: 1440px) {
  .progression-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .chord-card:not(.empty-state-card) {
    max-width: 328px;
    --card-stage-width: min(calc(100% - 30px), 292px);
  }

  .diagram-wrap {
    width: var(--card-stage-width);
  }
}

@media (max-width: 860px) {
  :root {
    --control-height: 36px;
    --radius: 20px;
  }

  body {
    font-size: 14px;
  }

  .page-shell {
    padding: 6px;
  }

  .panel {
    padding: 6px;
    gap: 5px;
  }

  .control-block {
    --control-rail: 1px;
    padding: 6px;
    gap: 5px;
    border-radius: 18px;
  }

  .panel h1,
  .panel h2 {
    font-size: 16px;
    line-height: 0.96;
  }

  .key-row {
    grid-template-columns: minmax(74px, 84px) minmax(0, 1fr);
    gap: 5px;
  }

  .mode-segmented,
  .inline-mode-segmented {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 3px;
  }

  .toggle-pair,
  .rhythm-fields,
  .checkbox-field,
  .checkbox-field-group,
  .checkbox-field-group-compact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3px 4px;
  }

  .tempo-inputs {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .toggle-row,
  .segmented label,
  .checkbox-field label,
  select,
  input[type='number'] {
    font-size: 11px;
  }

  .toggle-row,
  .segmented label,
  .checkbox-field label {
    padding: 4px 7px;
    border-radius: 10px;
  }

  select,
  input[type='number'] {
    padding: 6px 8px;
    border-radius: 10px;
  }

  .transport-toggle {
    font-size: 10px;
    padding: 3px 6px;
  }

  .generate-button,
  .transport-button {
    padding: 5px 10px;
    font-size: 11px;
  }

  .key-generate-button {
    min-height: 32px;
  }

  .panel-kicker,
  .field-label,
  .segmented-field legend,
  .checkbox-field legend {
    font-size: 8px;
  }

  .control-caption {
    font-size: 8px;
  }

  .progression-grid {
    gap: 8px;
  }

  .progression-grid.progression-grid-empty {
    width: 100%;
  }

  .progression-key {
    gap: 5px;
    padding: 0 2px;
  }

  .progression-key-title {
    font-size: 18px;
  }

  .chord-card {
    --card-chip-row-height: 15px;
    --card-title-row-height: 13px;
    --card-header-gap: 1px;
    --diagram-top-pull: 9px;
    padding: 6px;
    gap: 5px;
    border-radius: 18px;
  }

  .card-header {
    column-gap: 5px;
  }

  .chord-card h3 {
    font-size: 17px;
  }

  .chord-diagram {
    width: min(100%, 116px);
  }

  .action-cluster {
    width: auto;
    justify-content: end;
    gap: 4px;
  }

  .empty-state-fretboard {
    width: 100%;
  }
}

@media (max-width: 780px) {
  .control-grid {
    grid-template-columns: 1fr;
  }

  .control-grid > .control-block:last-child {
    grid-column: auto;
  }
}

@media (max-width: 720px) {
  :root {
    --control-height: 34px;
    --radius: 18px;
  }

  body {
    font-size: 13px;
  }

  .page-shell {
    padding: 5px;
  }

  .panel {
    padding: 5px;
    gap: 5px;
  }

  .control-block {
    padding: 5px;
  }

  .toggle-row,
  .segmented label,
  .checkbox-field label,
  select,
  input[type='number'] {
    font-size: 10px;
  }

  .mode-segmented,
  .inline-mode-segmented {
    gap: 3px;
  }

  .panel-kicker,
  .field-label,
  .segmented-field legend,
  .checkbox-field legend {
    font-size: 7px;
  }

  .control-caption {
    font-size: 7px;
  }

  .toggle-row,
  .segmented label,
  .checkbox-field label {
    padding: 4px 6px;
  }

  .generate-button,
  .transport-button {
    padding: 4px 8px;
    font-size: 10px;
  }

  .transport-toggle {
    font-size: 9px;
    padding: 3px 5px;
  }

  .tempo-box input {
    width: 50px;
  }

  .beat-dot {
    min-height: 8px;
  }

  .progression-body {
    position: static;
    min-height: 0;
    gap: 8px;
  }

  .progression-key {
    position: static;
    width: 100%;
    display: grid;
    grid-template-columns: auto auto minmax(0, 1fr);
    align-items: baseline;
    gap: 4px;
    padding: 0 2px;
  }

  .progression-key-label {
    font-size: 7px;
    letter-spacing: 0.12em;
  }

  .progression-key-title {
    font-size: 16px;
    line-height: 0.98;
  }

  .progression-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
    width: 100%;
  }

  .progression-grid.progression-grid-empty {
    grid-template-columns: minmax(0, 1fr);
  }

  .chord-card {
    --card-chip-row-height: 13px;
    --card-title-row-height: 11px;
    --card-header-gap: 1px;
    --diagram-top-pull: 8px;
    --card-action-gap: 3px;
    --card-action-font-size: 8px;
    --card-action-padding-block: 4px;
    --card-action-padding-inline: 9px;
    min-height: 0;
    padding: 5px 4px;
    gap: 4px;
    border-radius: 16px;
  }

  .card-header {
    column-gap: 4px;
    padding: 0 0 2px;
  }

  .chord-card h3 {
    font-size: 15px;
    text-align: center;
  }

  .chord-diagram {
    width: min(100%, 106px);
  }

  .theory-chip,
  .voicing-chip {
    max-width: 100%;
    font-size: 6px;
    padding: 3px 6px;
  }
}

@media (max-width: 620px) {
  .control-block-header-split {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 4px;
  }

  .rhythm-actions {
    width: auto;
    justify-content: end;
    gap: 3px;
  }

  .key-row {
    grid-template-columns: minmax(60px, 72px) minmax(0, 1fr);
    gap: 4px;
    align-items: end;
  }

  .voicings-block,
  .key-block,
  .control-block[aria-labelledby='rhythm-heading'] {
    gap: 3px;
  }

  .control-block[aria-labelledby='rhythm-heading'] > .field:first-of-type {
    gap: 2px;
  }

  .key-block .aligned-control-header,
  .voicings-block .aligned-control-header {
    grid-template-rows: auto;
    gap: 2px;
  }

  .transport-toggle {
    gap: 3px;
    padding: 2px 5px;
    font-size: 8px;
  }

  .transport-button {
    padding: 3px 7px;
    font-size: 9px;
    white-space: nowrap;
  }
}

@media (max-width: 540px) {
  :root {
    --control-height: 32px;
    --radius: 16px;
  }

  body {
    font-size: 12px;
  }

  .key-row {
    grid-template-columns: minmax(54px, 62px) minmax(0, 1fr);
    gap: 3px;
  }

  .mode-segmented,
  .inline-mode-segmented {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2px;
  }

  .toggle-pair,
  .rhythm-fields,
  .checkbox-field,
  .checkbox-field-group,
  .checkbox-field-group-compact {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 132px), 1fr));
  }

  .tempo-inputs {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 4px;
  }

  .panel h1,
  .panel h2 {
    font-size: 14px;
  }

  .control-block {
    padding: 4px;
    gap: 4px;
  }

  .voicings-block,
  .key-block,
  .control-block[aria-labelledby='rhythm-heading'] {
    gap: 2px;
  }

  .control-block[aria-labelledby='rhythm-heading'] > .field:first-of-type {
    gap: 1px;
  }

  .toggle-row,
  .segmented label,
  .checkbox-field label,
  select,
  input[type='number'] {
    font-size: 9px;
  }

  .rhythm-actions {
    gap: 2px;
  }

  .transport-toggle {
    gap: 2px;
    padding: 2px 4px;
    font-size: 7px;
  }

  .transport-button {
    padding: 2px 6px;
    font-size: 8px;
  }

  .card-actions {
    grid-template-columns: repeat(2, 56px);
  }

  .progression-key {
    gap: 3px;
    padding: 0 1px;
  }

  .progression-key-label {
    font-size: 6px;
  }

  .progression-key-title {
    font-size: 14px;
  }

  .chord-card {
    --card-chip-row-height: 12px;
    --card-title-row-height: 10px;
    --diagram-top-pull: 6px;
    --card-action-gap: 2px;
    --card-action-font-size: 7px;
    --card-action-padding-block: 3px;
    --card-action-padding-inline: 8px;
    padding: 4px 3px;
    gap: 3px;
    border-radius: 14px;
  }

  .chord-card h3 {
    font-size: 13px;
  }

  .chord-diagram {
    width: min(100%, 88px);
  }

}

@media (max-width: 360px) {
  .key-row {
    grid-template-columns: minmax(42px, 50px) minmax(0, 1fr);
    gap: 2px;
  }

  .key-root-field select {
    padding-inline: 4px 16px;
    font-size: 8px;
  }

  .mode-segmented,
  .inline-mode-segmented {
    gap: 0;
  }

  .segmented label {
    gap: 2px;
    padding-inline: 2px;
    font-size: 8px;
  }

  .segmented input {
    transform: scale(0.9);
  }

  .rhythm-actions {
    gap: 1px;
  }

  .transport-toggle {
    gap: 1px;
    padding: 1px 3px;
    font-size: 6px;
  }

  .transport-toggle input {
    width: 10px;
    height: 10px;
  }

  .transport-button {
    padding: 2px 5px;
    font-size: 7px;
  }
}