:root {
  --page-bg: #041f28;
  --page-bg-alt: #0b3442;
  --panel-bg: rgba(6, 24, 31, 0.72);
  --panel-border: rgba(123, 194, 213, 0.12);
  --text: #edf7fa;
  --muted: #9cc5cf;
  --accent: #76d1e7;
  --accent-strong: #f3c46d;
  --chip-bg: rgba(118, 209, 231, 0.08);
  --chip-bg-active: rgba(118, 209, 231, 0.24);
  --chip-border: rgba(118, 209, 231, 0.22);
  --board-shadow: 0 34px 70px rgba(0, 0, 0, 0.38);
  --control-shadow: 0 16px 34px rgba(0, 0, 0, 0.16);
  --font-main: "Segoe UI", "Trebuchet MS", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background:
    radial-gradient(circle at top, rgba(118, 209, 231, 0.18), transparent 30%),
    linear-gradient(180deg, #05222b 0%, #04161d 100%);
  color: var(--text);
  font-family: var(--font-main);
}

button,
input,
select {
  font: inherit;
}

.page-shell {
  width: 100%;
  margin: 0;
  padding: 24px 12px 64px;
}

.hero {
  margin-bottom: 24px;
  width: 100%;
  max-width: none;
}

.hero-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  margin-bottom: 12px;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow-button {
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    color 0.18s ease,
    transform 0.18s ease,
    opacity 0.18s ease;
}

.eyebrow-button:hover {
  color: #a9edf8;
  transform: translateY(-1px);
}

.hero h1 {
  margin: 0;
  max-width: 980px;
  font-size: clamp(2rem, 5vw, 3.8rem);
  line-height: 0.98;
}

.hero-copy {
  display: none;
}

.status-toast-wrap {
  position: fixed;
  top: 24px;
  left: 50%;
  z-index: 40;
  transform: translateX(-50%);
  pointer-events: none;
}

.status-toast {
  min-width: 240px;
  max-width: min(92vw, 520px);
  padding: 12px 16px;
  border-radius: 18px;
  border: 1px solid rgba(118, 209, 231, 0.24);
  background: rgba(4, 23, 30, 0.94);
  color: var(--text);
  text-align: center;
  font-weight: 600;
  box-shadow: 0 22px 44px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(12px);
}

.status-toast.is-success {
  color: #d8fff0;
  border-color: rgba(110, 231, 183, 0.36);
}

.status-toast.is-error {
  color: #ffd5cf;
  border-color: rgba(255, 151, 140, 0.36);
}

.language-switcher {
  position: relative;
  display: flex;
  justify-content: flex-end;
}

.language-trigger,
.language-option {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 8px 14px;
  border: 1px solid var(--chip-border);
  border-radius: 18px;
  background: rgba(6, 24, 31, 0.88);
  color: var(--text);
  cursor: pointer;
  transition:
    transform 0.15s ease,
    background-color 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.language-trigger {
  min-width: 172px;
  justify-content: space-between;
  box-shadow: 0 12px 22px rgba(0, 0, 0, 0.2);
}

.language-trigger:hover,
.language-option:hover {
  transform: translateY(-1px);
}

.language-switcher.is-open .language-trigger,
.language-option.is-active {
  background: var(--chip-bg-active);
  border-color: rgba(118, 209, 231, 0.8);
  box-shadow: inset 0 0 0 1px rgba(212, 246, 255, 0.1);
}

.language-trigger-copy {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
}

.language-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 20;
  display: none;
  min-width: 220px;
  padding: 10px;
  border: 1px solid rgba(118, 209, 231, 0.2);
  border-radius: 20px;
  background: rgba(4, 23, 30, 0.98);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(12px);
}

.language-switcher.is-open .language-menu {
  display: grid;
  gap: 8px;
}

.language-option {
  width: 100%;
  justify-content: flex-start;
  padding-right: 12px;
}

.language-flag {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 14px;
  flex: 0 0 20px;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.language-flag--en {
  background: repeating-linear-gradient(180deg, #c6373c 0 2px, #ffffff 2px 4px);
}

.language-flag--en::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 9px;
  height: 8px;
  background: #21468b;
}

.language-flag--uk {
  background: linear-gradient(180deg, #2f73dc 0 50%, #f1c94f 50% 100%);
}

.language-flag--es {
  background: linear-gradient(180deg, #b5222b 0 26%, #f0c04a 26% 74%, #b5222b 74% 100%);
}

.language-flag--square {
  width: 14px;
  height: 14px;
  flex-basis: 14px;
  border-radius: 4px;
  background: #000;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.16);
}

.language-label {
  font-size: 0.94rem;
}

.language-caret {
  width: 10px;
  height: 10px;
  margin-left: 2px;
  border-right: 2px solid rgba(237, 247, 250, 0.9);
  border-bottom: 2px solid rgba(237, 247, 250, 0.9);
  transform: translateY(-1px) rotate(45deg);
  transition: transform 0.2s ease;
}

.language-switcher.is-open .language-caret {
  transform: translateY(2px) rotate(-135deg);
}

.language-option-status {
  margin-left: auto;
  min-width: 12px;
  color: var(--accent);
  font-size: 1rem;
  line-height: 1;
  text-align: right;
}

.mobile-hero-title,
.mobile-language-footer {
  display: none;
}

.fretboard-page {
  display: grid;
  gap: 28px;
}

.guitar-wrap {
  order: -1;
  overflow-x: auto;
  overflow-y: visible;
  padding: 0 0 72px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.guitar-wrap::-webkit-scrollbar {
  display: none;
}

.controls {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
}

.controls-column {
  grid-column: span 12;
  display: grid;
  gap: 16px;
  align-content: start;
}

.control-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  box-shadow: var(--control-shadow);
  padding: 18px 18px 20px;
  backdrop-filter: blur(10px);
}

.control-card h2 {
  margin: 0 0 14px;
  font-size: 1rem;
}

.control-card-header {
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
}

.control-card-header h2 {
  margin: 0;
}

.control-card-copy {
  margin: 0;
  max-width: 44ch;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.control-section-label {
  margin: 2px 0 10px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.control-card p,
.control-card label,
.control-card legend {
  color: var(--muted);
}

.control-grid-two {
  display: grid;
  gap: 16px;
}

.chip-row,
.toggle-row,
.presets-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip,
.preset-button,
.toggle-button {
  border: 1px solid var(--chip-border);
  border-radius: 999px;
  background: var(--chip-bg);
  color: var(--text);
  cursor: pointer;
  min-height: 40px;
  padding: 9px 14px;
  transition:
    transform 0.15s ease,
    background-color 0.2s ease,
    border-color 0.2s ease,
    opacity 0.2s ease,
    box-shadow 0.2s ease;
}

.toggle-button--primary {
  font-weight: 650;
  background: rgba(118, 209, 231, 0.12);
}

.toggle-button--quiet {
  background: rgba(118, 209, 231, 0.045);
  border-color: rgba(118, 209, 231, 0.16);
  color: rgba(237, 247, 250, 0.9);
}

.chip:hover,
.preset-button:hover,
.toggle-button:hover {
  transform: translateY(-1px);
}

.chip:disabled,
.preset-button:disabled,
.toggle-button:disabled {
  opacity: 0.42;
  cursor: not-allowed;
  transform: none;
}

.chip.is-active,
.preset-button.is-active,
.toggle-button.is-active {
  background: var(--chip-bg-active);
  border-color: rgba(118, 209, 231, 0.8);
  box-shadow: inset 0 0 0 1px rgba(212, 246, 255, 0.1);
}

.toggle-button--primary.is-active {
  border-color: rgba(243, 196, 109, 0.7);
  box-shadow:
    inset 0 0 0 1px rgba(255, 240, 198, 0.12),
    0 8px 20px rgba(0, 0, 0, 0.1);
}

.chip.is-dimmed {
  opacity: 0.46;
}

.small-copy {
  margin: 12px 0 0;
  font-size: 0.92rem;
}

.small-copy--tight {
  margin-top: -2px;
}

.scale-grid,
.custom-grid,
.display-grid {
  display: grid;
  gap: 12px;
}

.card-stack {
  display: grid;
  gap: 14px;
}

.control-group {
  min-width: 0;
}

.control-group--primary {
  position: relative;
}

.control-group--primary .field-row label,
.control-group--primary .field-row span {
  color: rgba(237, 247, 250, 0.92);
}

.control-group--secondary {
  padding-top: 14px;
  border-top: 1px solid rgba(123, 194, 213, 0.1);
}

.control-group--utility {
  padding-top: 12px;
  border-top: 1px solid rgba(123, 194, 213, 0.08);
}

.control-group--toolbar {
  margin-top: 2px;
}

.chord-workflow-grid,
.chord-result-column {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.chord-picker-stack {
  align-content: start;
  grid-template-columns: 1fr;
}

.chord-shape-group {
  margin-top: 4px;
}

.chord-view-field {
  padding-top: 14px;
  border-top: 1px solid rgba(123, 194, 213, 0.1);
}

.chord-summary-card {
  margin: 0;
  padding: 11px 12px;
  border: 1px solid rgba(118, 209, 231, 0.16);
  border-radius: 14px;
  background: rgba(118, 209, 231, 0.06);
  color: rgba(237, 247, 250, 0.9);
}

.field-row {
  display: grid;
  gap: 8px;
  align-content: start;
}

.field-row--full {
  grid-column: 1 / -1;
}

.field-row--actions {
  gap: 0;
}

.field-row label,
.field-row span {
  font-size: 0.92rem;
}

.field-row select,
.field-row input {
  width: 100%;
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid rgba(156, 197, 207, 0.22);
  border-radius: 14px;
  color: var(--text);
  padding: 11px 12px;
}

.field-row select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, #76d1e7 50%),
    linear-gradient(135deg, #76d1e7 50%, transparent 50%),
    linear-gradient(180deg, rgba(118, 209, 231, 0.16), rgba(118, 209, 231, 0.04));
  background-position:
    calc(100% - 20px) calc(50% - 2px),
    calc(100% - 14px) calc(50% - 2px),
    0 0;
  background-size: 6px 6px, 6px 6px, 100% 100%;
  background-repeat: no-repeat;
  padding-right: 40px;
}

.field-row select option {
  background: #0a2630;
  color: var(--text);
}

.field-row select:focus,
.field-row input:focus {
  outline: none;
  border-color: rgba(118, 209, 231, 0.55);
  box-shadow: 0 0 0 3px rgba(118, 209, 231, 0.12);
}

.field-row select:disabled,
.field-row input:disabled {
  opacity: 0.48;
  cursor: not-allowed;
}

#custom-actions {
  margin-top: 4px;
}

.custom-grid button {
  justify-self: start;
}

.message {
  min-height: 24px;
  margin: 12px 0 0;
  font-size: 0.95rem;
}

.message.is-error {
  color: #ffb0a7;
}

.message.is-success {
  color: #a9f4c1;
}

.saved-tunings-section {
  display: grid;
  gap: 10px;
  margin-top: 6px;
}

.saved-tunings-header {
  color: var(--muted);
  font-size: 0.92rem;
}

.saved-tunings-list {
  display: grid;
  gap: 10px;
}

.saved-tunings-empty {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.saved-tuning-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: stretch;
}

.saved-tuning-apply,
.saved-tuning-delete {
  border: 1px solid var(--chip-border);
  background: rgba(118, 209, 231, 0.06);
  color: var(--text);
  border-radius: 18px;
}

.saved-tuning-apply {
  display: grid;
  gap: 4px;
  width: 100%;
  padding: 12px 14px;
  text-align: left;
  cursor: pointer;
  transition:
    transform 0.15s ease,
    background-color 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.saved-tuning-apply:hover,
.saved-tuning-delete:hover {
  transform: translateY(-1px);
}

.saved-tuning-row.is-active .saved-tuning-apply,
.saved-tuning-apply.is-active {
  background: var(--chip-bg-active);
  border-color: rgba(118, 209, 231, 0.8);
  box-shadow: inset 0 0 0 1px rgba(212, 246, 255, 0.1);
}

.saved-tuning-label {
  font-weight: 600;
}

.saved-tuning-notes {
  color: var(--muted);
  font-size: 0.88rem;
}

.saved-tuning-delete {
  min-width: 88px;
  padding: 0 14px;
  cursor: pointer;
}

.control-actions-row {
  margin-top: 14px;
}

.field-row--actions .control-actions-row,
.field-row--actions .toggle-row {
  margin-top: 0;
}

#mode-actions-row,
#display-actions-row,
#capo-actions-row {
  align-items: flex-start;
}

#mode-actions-row .toggle-button,
#display-actions-row .toggle-button,
#capo-actions-row .toggle-button,
#focus-actions-row .toggle-button,
#custom-actions .toggle-button {
  min-height: 38px;
}

.toggle-row--quiet {
  gap: 8px;
}

.toggle-row--quiet .toggle-button:not(.is-active) {
  color: rgba(237, 247, 250, 0.82);
}

#capo-actions-row {
  margin-top: 2px;
}

#capo-actions-row .toggle-button {
  min-width: 104px;
}

.guitar {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  color: white;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  height: 352px;
  justify-self: start;
  filter: drop-shadow(var(--board-shadow));
}

.guitar.left-handed {
  grid-template-columns: minmax(0, 1fr) 56px;
}

.guitar.left-handed .nut {
  order: 1;
}

.guitar.left-handed .fretboard {
  order: 0;
}

.guitar.left-handed .frets {
  flex-direction: row-reverse;
}

.nut,
.strings {
  display: grid;
  grid-template-rows: repeat(6, minmax(0, 1fr));
  align-items: center;
}

.nut {
  position: relative;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.26), transparent 20%),
    linear-gradient(180deg, #201007 0%, #150905 100%);
  border-top-left-radius: 14px;
  border-bottom-left-radius: 14px;
  box-shadow: inset -8px 0 12px rgba(0, 0, 0, 0.28);
  overflow: hidden;
}

.capo-badge {
  position: absolute;
  top: 10px;
  left: 8px;
  z-index: 5;
  min-width: 74px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(4, 31, 40, 0.86);
  border: 1px solid rgba(118, 209, 231, 0.28);
  color: var(--accent);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-align: center;
  box-shadow:
    0 10px 22px rgba(0, 0, 0, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.capo-clamp {
  position: absolute;
  top: 8%;
  bottom: 8%;
  z-index: 1;
  width: 18px;
  border-radius: 999px;
  transform: translateX(-50%);
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(236, 243, 246, 0.9) 0%, rgba(161, 182, 191, 0.92) 36%, rgba(72, 90, 98, 0.96) 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.42),
    inset -2px 0 3px rgba(0, 0, 0, 0.2),
    0 10px 20px rgba(0, 0, 0, 0.28);
}

.capo-clamp--left {
  transform: translateX(50%);
}

.fret.is-capo-muted::before {
  opacity: 0.3;
}

.fret.is-capo-muted::after,
.fret.is-capo-muted .double-marker::after {
  opacity: 0.18;
}

.fret.is-capo-muted {
  background: linear-gradient(180deg, rgba(3, 12, 16, 0.46), rgba(3, 12, 16, 0.38));
}

.fret.is-out-of-range {
  opacity: 0.42;
}

.fret.is-out-of-range::after,
.fret.is-out-of-range .double-marker::after {
  opacity: 0.32;
}

.guitar.left-handed .nut {
  border-radius: 0 14px 14px 0;
}

.fretboard {
  position: relative;
  overflow: visible;
  border-radius: 0 14px 14px 0;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.12), transparent 7%, transparent 93%, rgba(0, 0, 0, 0.18)),
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.04), transparent 55%),
    linear-gradient(180deg, #1f0d06 0%, #6a3617 45%, #4e2412 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    inset 0 -1px 0 rgba(0, 0, 0, 0.25);
}

.guitar.left-handed .fretboard {
  border-radius: 14px 0 0 14px;
}

.frets {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: stretch;
}

.fret {
  position: relative;
  flex: 1;
  display: grid;
  grid-template-rows: repeat(6, minmax(0, 1fr));
  align-items: center;
  justify-items: center;
  border-left: 2px solid rgba(179, 88, 39, 0.75);
  border-right: 2px solid rgba(179, 88, 39, 0.75);
}

.fret:first-child {
  border-left-color: rgba(30, 12, 5, 0.92);
}

.guitar.left-handed .fret:first-child {
  border-right-color: rgba(30, 12, 5, 0.92);
  border-left-color: rgba(179, 88, 39, 0.75);
}

.fret::before {
  content: attr(data-fret);
  position: absolute;
  left: 50%;
  bottom: -44px;
  transform: translateX(-50%);
  min-width: 34px;
  padding: 7px 8px;
  border-radius: 10px;
  background: rgba(5, 37, 47, 0.92);
  color: #d6ebf2;
  text-align: center;
  font-size: 1rem;
  white-space: nowrap;
}

.fret.fret-12::before,
.fret.fret-24::before {
  border: 2px solid rgba(228, 244, 248, 0.7);
  transform: translateX(-50%) scale(1.06);
}

.fret.has-marker::after,
.fret.has-double-marker::after,
.fret .double-marker::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.1), transparent 40%),
    rgba(30, 12, 6, 0.72);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    inset 0 -1px 0 rgba(0, 0, 0, 0.25);
  transform: translateX(-50%);
}

.fret.has-marker::after {
  top: 50%;
  transform: translate(-50%, -50%);
}

.fret.has-double-marker::after {
  top: 31%;
}

.fret .double-marker::after {
  top: 69%;
}

.guitar[data-inlay-style="blocks"] .fret.has-block-marker::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 72%;
  min-width: 24px;
  max-width: 78px;
  height: 64%;
  border-radius: 2px;
  background:
    radial-gradient(120% 90% at 18% 20%, rgba(255, 255, 255, 0.95) 0 16%, transparent 17%),
    radial-gradient(130% 95% at 78% 28%, rgba(218, 216, 210, 0.92) 0 18%, transparent 19%),
    radial-gradient(120% 90% at 28% 72%, rgba(248, 248, 244, 0.96) 0 14%, transparent 15%),
    radial-gradient(140% 100% at 76% 76%, rgba(224, 220, 212, 0.9) 0 17%, transparent 18%),
    radial-gradient(120% 80% at 50% 48%, rgba(255, 255, 255, 0.55) 0 22%, transparent 23%),
    linear-gradient(180deg, rgba(252, 252, 249, 0.98) 0%, rgba(230, 227, 220, 0.94) 52%, rgba(250, 250, 247, 0.98) 100%);
  box-shadow:
    inset 0 0 0 1px rgba(120, 88, 46, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.6),
    0 1px 3px rgba(0, 0, 0, 0.1);
  transform: translate(-50%, -50%);
}

.guitar[data-fret-layout="real"][data-inlay-style="blocks"] .fret.has-block-marker::after {
  width: 72%;
  min-width: 14px;
  max-width: 54px;
  height: 64%;
}

.guitar[data-fret-layout="real"][data-fret-count="21"] .fret.has-block-marker::after,
.guitar[data-fret-layout="real"][data-fret-count="22"] .fret.has-block-marker::after,
.guitar[data-fret-layout="real"][data-fret-count="24"] .fret.has-block-marker::after {
  height: 64%;
}

.guitar[data-fret-layout="real"] .fret::before {
  font-size: clamp(0.76rem, calc(0.7rem + (var(--fret-ratio, 1) * 0.2rem)), 1rem);
  min-width: 26px;
  padding: 6px 5px;
}

.guitar[data-fret-count="21"] .fret::before,
.guitar[data-fret-count="22"] .fret::before,
.guitar[data-fret-count="24"] .fret::before {
  min-width: 30px;
  padding: 6px 6px;
  font-size: 0.92rem;
}

.strings {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.string-line,
.open-string {
  position: relative;
  align-self: center;
  background: linear-gradient(180deg, #c3bfc7 0%, #f5f1fb 50%, #b6b0b8 100%);
  box-shadow:
    0 0 8px rgba(0, 0, 0, 0.28),
    0 0 2px rgba(255, 255, 255, 0.28);
}

.open-string {
  width: 100%;
}

.string-line.string-6,
.open-string.string-6 {
  height: 8px;
}

.string-line.string-5,
.open-string.string-5 {
  height: 7px;
}

.string-line.string-4,
.open-string.string-4 {
  height: 6px;
}

.string-line.string-3,
.open-string.string-3 {
  height: 4px;
}

.string-line.string-2,
.open-string.string-2 {
  height: 3px;
}

.string-line.string-1,
.open-string.string-1 {
  height: 2px;
}

.open-note {
  --hue: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1px;
  transform: translate(-50%, -50%) scale(1);
  min-width: 34px;
  min-height: 44px;
  padding: 6px 8px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: rgba(241, 246, 248, 0.96);
  text-align: center;
  font-size: 1rem;
  line-height: 1;
  z-index: 2;
  box-shadow: none;
  transition:
    transform 0.15s ease,
    border-color 0.18s ease,
    background-color 0.18s ease,
    color 0.18s ease,
    box-shadow 0.18s ease;
}

.open-note.is-open-active {
  border-color: hsla(var(--hue), 100%, 14%, 0.82);
  background: hsla(var(--hue), 100%, 84%, 0.9);
  color: #041a21;
  box-shadow: 0 9px 18px rgba(0, 0, 0, 0.2);
}

.open-note.is-open-root-note,
.note.is-root-note {
  box-shadow:
    0 0 0 2px rgba(226, 66, 66, 0.82),
    0 9px 18px rgba(0, 0, 0, 0.24);
  border-color: rgba(255, 120, 120, 0.96);
}

.note {
  --hue: 0;
  position: relative;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1px;
  width: var(--note-size, 50px);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 2px solid hsla(var(--hue), 100%, 14%, 0.88);
  background: hsla(var(--hue), 100%, 84%, 0.88);
  color: #041a21;
  cursor: default;
  font-size: var(--note-font-size, 1rem);
  line-height: 1;
  user-select: none;
  transition:
    transform 0.15s ease,
    background-color 0.18s ease,
    opacity 0.18s ease,
    box-shadow 0.18s ease;
}

.double-marker {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.note:hover,
.open-note:hover {
  transform: translate(-50%, -50%) scale(1.06);
  box-shadow: 0 10px 18px rgba(0, 0, 0, 0.18);
}

.note:hover {
  transform: scale(1.06);
  box-shadow: 0 10px 18px rgba(0, 0, 0, 0.22);
}

.note.is-chord-shape-note,
.open-note.is-chord-shape-note {
  box-shadow:
    0 0 0 2px rgba(214, 241, 248, 0.56),
    0 12px 20px rgba(0, 0, 0, 0.28);
}

.open-note.is-open-root-note,
.note.is-root-note,
.open-note.is-open-root-note.is-chord-shape-note,
.note.is-root-note.is-chord-shape-note {
  box-shadow:
    0 0 0 2px rgba(226, 66, 66, 0.9),
    0 12px 20px rgba(0, 0, 0, 0.28);
  border-color: rgba(255, 120, 120, 0.96);
}

.note.is-hidden-note {
  opacity: 0;
  border-color: transparent;
  background: transparent;
  color: transparent;
}

.string-mute-marker {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  transform: translate(-50%, -50%);
  color: rgba(243, 248, 250, 0.98);
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.02em;
  text-shadow:
    0 1px 4px rgba(0, 0, 0, 0.32),
    0 0 8px rgba(0, 0, 0, 0.26);
  background: rgba(5, 11, 15, 0.88);
  border: 1px solid rgba(224, 237, 244, 0.26);
  border-radius: 999px;
  box-shadow:
    0 10px 18px rgba(0, 0, 0, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

.note-accidental {
  font-size: 0.74em;
  line-height: 1;
  position: relative;
}

.note-accidental.note-accidental-sharp {
  top: -0.18em;
}

.note-accidental.note-accidental-flat {
  top: 0.08em;
}

.note[data-note="C"],
.open-note[data-note="C"] {
  --hue: 0;
}

.note[data-note="C#"],
.note[data-note="Db"],
.open-note[data-note="C#"],
.open-note[data-note="Db"] {
  --hue: 30;
}

.note[data-note="D"],
.open-note[data-note="D"] {
  --hue: 60;
}

.note[data-note="D#"],
.note[data-note="Eb"],
.open-note[data-note="D#"],
.open-note[data-note="Eb"] {
  --hue: 90;
}

.note[data-note="E"],
.open-note[data-note="E"] {
  --hue: 120;
}

.note[data-note="F"],
.open-note[data-note="F"] {
  --hue: 150;
}

.note[data-note="F#"],
.note[data-note="Gb"],
.open-note[data-note="F#"],
.open-note[data-note="Gb"] {
  --hue: 180;
}

.note[data-note="G"],
.open-note[data-note="G"] {
  --hue: 210;
}

.note[data-note="G#"],
.note[data-note="Ab"],
.open-note[data-note="G#"],
.open-note[data-note="Ab"] {
  --hue: 240;
}

.note[data-note="A"],
.open-note[data-note="A"] {
  --hue: 270;
}

.note[data-note="A#"],
.note[data-note="Bb"],
.open-note[data-note="A#"],
.open-note[data-note="Bb"] {
  --hue: 300;
}

.note[data-note="B"],
.open-note[data-note="B"] {
  --hue: 330;
}

.is-export-clone .note {
  transform: none !important;
}

.is-export-clone .open-note {
  transform: translate(-50%, -50%) !important;
}

.is-export-clone .fret::before {
  transform: translateX(-50%) !important;
}

.is-export-clone .fret.fret-12::before,
.is-export-clone .fret.fret-24::before {
  transform: translateX(-50%) scale(1.06) !important;
}

@media (min-width: 760px) {
  .controls {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .controls-column--left {
    grid-column: 1;
  }

  .controls-column--right {
    grid-column: 2;
  }

  .control-grid-two,
  .scale-grid,
  .custom-grid,
  .display-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .control-card--chord .chord-workflow-grid {
    grid-template-columns: minmax(170px, 0.78fr) minmax(0, 1.22fr);
    gap: 20px;
    align-items: start;
  }

  .control-card--chord .chord-picker-stack {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .control-card--chord .chord-picker-stack .field-row {
    gap: 6px;
  }

  .control-card--chord .chord-picker-stack select {
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .control-card--chord .chord-voicing-group {
    padding-top: 14px;
    border-top: 1px solid rgba(123, 194, 213, 0.1);
  }

  .control-card--chord .chord-shape-group {
    margin-top: 0;
  }

.display-grid--compact {
  align-items: start;
}
}

@media (min-width: 760px) and (max-width: 1040px) {
  .control-card--chord .chord-workflow-grid {
    grid-template-columns: 1fr;
  }

}

.chord-shape-toolbar {
  display: none;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  margin-top: 4px;
}

.chord-shape-toolbar.is-active {
  display: grid;
}

.toggle-button--compact {
  min-width: 72px;
}

.chord-shape-meta {
  display: grid;
  gap: 4px;
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid rgba(118, 209, 231, 0.16);
  border-radius: 14px;
  background: rgba(118, 209, 231, 0.06);
}

.chord-shape-counter,
.chord-shape-difficulty,
.chord-shape-empty {
  color: var(--muted);
  font-size: 0.84rem;
}

.chord-shape-notation {
  color: var(--text);
  font-size: 0.96rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

@media (max-width: 720px) {
  .page-shell {
    padding: 22px 4vw 32px;
  }

  .hero-topbar {
    align-items: center;
    margin-bottom: 0;
  }

  .hero h1,
  .language-switcher--desktop {
    display: none;
  }

  .fretboard-page {
    gap: 18px;
  }

  .guitar-wrap {
    order: -1;
    position: relative;
    width: calc(100% + 4vw);
    min-height: calc(100svh - 96px);
    margin-inline: -2vw;
    padding: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: flex-end;
  }

  .guitar {
    width: calc(100svh - 136px);
    min-width: calc(100svh - 136px);
    max-width: none;
    height: min(84vw, 352px);
    margin: 0;
    transform: translateX(calc(((100svh - 136px) - min(84vw, 352px)) / 2)) rotate(90deg);
    transform-origin: center;
  }

  .controls {
    grid-template-columns: 1fr;
    grid-template-areas: none;
    gap: 16px;
    align-items: start;
  }

  .controls-column {
    display: contents;
  }

  .control-card--chord {
    order: 1;
  }

  .control-card--mode {
    order: 2;
  }

  .control-card--scale {
    order: 3;
  }

  .control-card--display {
    order: 4;
  }

  .control-card--focus {
    order: 5;
  }

  .control-card--tuning {
    order: 6;
  }

  .control-card--note {
    order: 7;
  }

  .control-card--chord .chord-workflow-grid,
  .control-card--chord .chord-picker-stack,
  .control-card--chord .chord-result-column {
    display: contents;
  }

  .control-card--chord .chord-view-field {
    order: 1;
    padding-top: 0;
    border-top: 0;
  }

  .control-card--chord .chord-root-field {
    order: 2;
  }

  .control-card--chord .chord-type-field {
    order: 3;
  }

  .control-card--chord .chord-voicing-group {
    order: 4;
  }

  .control-card--chord .chord-shape-group {
    order: 5;
    margin-top: 0;
  }

  .control-card--chord .chord-summary-card {
    order: 6;
  }

  .control-card,
  .control-card--wide,
  .control-card--half {
    grid-column: span 1;
    display: grid;
    gap: 14px;
    padding: 18px 16px 18px;
    align-content: start;
  }

  .control-card h2,
  .small-copy,
  .message {
    margin: 0;
  }

  .custom-grid,
  .scale-grid,
  .display-grid {
    gap: 14px;
  }

  .card-stack {
    gap: 14px;
  }

  .control-group--secondary {
    padding-top: 12px;
  }

  .control-group--utility {
    padding-top: 10px;
  }

  .field-row {
    gap: 10px;
  }

  .toggle-row,
  .chip-row,
  .presets-row {
    gap: 10px;
  }

  .chip,
  .preset-button,
  .toggle-button {
    min-height: 42px;
    padding: 10px 14px;
  }

  .field-row select,
  .field-row input {
    min-height: 46px;
  }

  #custom-actions {
    margin-top: 0;
  }

  .mobile-hero-title,
  .mobile-language-footer {
    display: block;
  }

  .mobile-hero-title {
    order: -1;
  }

  .mobile-hero-title h1 {
    margin: 0;
    font-size: clamp(1.9rem, 9vw, 3rem);
    line-height: 0.98;
  }

  .mobile-language-footer {
    order: 8;
    margin-top: 2px;
    padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 8px);
  }

  .language-switcher--mobile {
    width: 100%;
    justify-content: flex-start;
    position: relative;
  }

  .language-switcher--mobile .language-trigger {
    min-width: 0;
    width: 100%;
  }

  .language-switcher--mobile .language-menu {
    top: auto;
    bottom: calc(100% + 10px);
    left: 0;
    right: 0;
    min-width: 0;
    width: 100%;
  }

  .language-switcher--mobile .language-option {
    min-height: 44px;
  }

  .saved-tuning-row {
    grid-template-columns: 1fr;
  }

  .saved-tuning-delete {
    min-height: 42px;
  }

  .note {
    transform: rotate(-90deg);
  }

  .fret::before {
    transform: translateX(-50%) rotate(-90deg);
    transform-origin: center;
  }

  .fret.fret-12::before,
  .fret.fret-24::before {
    transform: translateX(-50%) rotate(-90deg) scale(1.06);
  }

  .open-note {
    transform: translate(-50%, -50%) rotate(-90deg) scale(1);
  }

  .note:hover {
    transform: rotate(-90deg) scale(1.06);
  }

  .open-note:hover {
    transform: translate(-50%, -50%) rotate(-90deg) scale(1.06);
  }

  .fret.has-marker::after {
    transform: translate(-50%, -50%) rotate(-90deg);
  }
}