:root {
  --bg-base: #131314;
  --bg-surface: #1e1f20;
  --bg-overlay: #282a2c;
  --bg-input: #1e1f20;
  --text-primary: #e3e3e3;
  --text-secondary: #c4c7c5;
  --text-subtle: #8e918f;
  --accent: #8ab4f8;
  --accent-hover: #aecbfa;
  --accent-dim: rgba(138, 180, 248, 0.12);
  --border: #444746;
  --border-light: #333638;
  --radius: 0.75rem;
  --radius-sm: 0.5rem;
  --transition: 150ms ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* --- Header (titlebar drag region) --- */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem 0 5rem;
  background: var(--bg-base);
  border-bottom: 1px solid var(--border-light);
  height: 2.75rem;
  --wails-draggable: drag;
  -webkit-user-select: none;
  user-select: none;
}

.header h1 {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  --wails-draggable: no-drag;
}

.audio-sliders {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.audio-sliders label {
  font-size: 0.6875rem;
  color: var(--text-subtle);
  user-select: none;
}

.audio-sliders input[type="range"] {
  width: 4rem;
  height: 0.25rem;
  -webkit-appearance: none;
  appearance: none;
  background: var(--border);
  border-radius: 0.125rem;
  outline: none;
  cursor: pointer;
}

.audio-sliders input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}

.audio-sliders input[type="range"]::-webkit-slider-thumb:hover {
  background: var(--accent-hover);
}

.audio-sliders select {
  font-size: 0.6875rem;
  padding: 0.25rem 1.25rem 0.25rem 0.375rem;
  background-position: right 0.375rem center;
}

.header-actions select,
.header-actions button {
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

.header-actions select {
  padding-right: 1.75rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%238e918f'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.625rem center;
}

.header-actions button:hover,
.header-actions select:hover {
  background: var(--bg-overlay);
  border-color: var(--text-subtle);
}

/* --- App Shell --- */
.app-shell {
  display: flex;
  height: calc(100vh - 2.75rem);
}

/* --- Sidebar --- */
.sidebar {
  width: 20%;
  min-width: 17rem;
  background: var(--bg-base);
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.nav-links {
  display: flex;
  flex-direction: column;
  padding: 0.5rem 0;
}

.nav-link {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-subtle);
  cursor: pointer;
  border: none;
  background: none;
  text-align: left;
  font-family: inherit;
  border-left: 0.1875rem solid transparent;
  transition: all var(--transition);
}

.nav-link:hover {
  color: var(--text-secondary);
  background: var(--bg-surface);
}

.nav-link.active {
  color: var(--accent);
  border-left-color: var(--accent);
  background: var(--bg-surface);
}

/* --- Sidebar Sections --- */
.sidebar-section {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border-light);
}

.sidebar-section h3 {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-subtle);
  margin-bottom: 0.625rem;
}

/* --- Config Panel --- */
.config-panel label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-subtle);
  margin-bottom: 0.1875rem;
  margin-top: 0.5rem;
}

.config-panel label:first-of-type {
  margin-top: 0;
}

.config-panel select,
.config-panel input[type="number"] {
  width: 100%;
  font-family: inherit;
  font-size: 0.8125rem;
  padding: 0.375rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-primary);
  outline: none;
  transition: all var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

.config-panel select {
  padding-right: 1.75rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%238e918f'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
}

.config-panel select:focus,
.config-panel input[type="number"]:focus {
  border-color: var(--text-secondary);
}

.tuning-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-top: 0.25rem;
}

.tuning-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.125rem;
  width: 3.25rem;
}

.tuning-grid .tuning-input {
  width: 100%;
  font-family: inherit;
  font-size: 0.75rem;
  padding: 0.25rem;
  text-align: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-primary);
  outline: none;
}

.tuning-grid .tuning-input:focus {
  border-color: var(--text-secondary);
}

.tuning-grid .tuning-input.invalid {
  border-color: #d9534f;
  color: #d9534f;
}

.tuning-freq {
  font-size: 0.5625rem;
  color: var(--text-subtle);
  white-space: nowrap;
}

.tuning-hint {
  font-size: 0.625rem;
  color: var(--text-subtle);
  font-weight: 400;
}

.custom-instrument-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-top: 0.5rem;
}

.custom-instrument-actions .btn-small {
  flex: 1 1 auto;
}

.config-actions {
  display: flex;
  gap: 0.375rem;
  margin-top: 0.625rem;
}

.config-actions button {
  flex: 1;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.375rem 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.config-actions button:hover {
  background: var(--bg-overlay);
  border-color: var(--text-subtle);
}

.config-actions .btn-apply {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.config-actions .btn-apply:hover {
  background: rgba(138, 180, 248, 0.2);
}

/* --- Main Content --- */
.main-content {
  flex: 1;
  overflow: hidden;
  padding: 1rem;
}

.view {
  display: none;
  height: 100%;
}

.view.active {
  display: flex;
  flex-direction: column;
}

#view-tuner {
  overflow: auto;
}

#view-chords,
#view-shapes {
  overflow-y: auto;
}

/* --- Filter Bar --- */
.filter-bar {
  margin-bottom: 1rem;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-bottom: 0.375rem;
}

.filter-pill {
  font-family: inherit;
  font-size: 0.75rem;
  padding: 0.25rem 0.625rem;
  border-radius: 0.875rem;
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text-subtle);
  cursor: pointer;
  transition: all var(--transition);
}

.filter-pill:hover {
  border-color: var(--text-subtle);
  color: var(--text-secondary);
}

.filter-pill.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

/* --- Chord Grid --- */
#chord-container {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

/* --- Fretboard (structural) --- */
.fretboard {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  margin-left: 0.5rem;
  position: relative;
  width: fit-content;
}

.fret-row {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: stretch;
  gap: 0;
}

.fret {
  width: 2.1rem;
  height: 1.6rem;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  text-align: center;
  line-height: 1.6rem;
  font-weight: bold;
  position: relative;
}

.fret[data-dot]::after {
  content: '';
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.fret[muted] {
  font-weight: bold;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.alternatives {
  margin-top: 1rem;
}

.alternatives h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.alternatives-container {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.alternative-fretboard {
  margin-inline: 1.8rem;
}

.alternative-fretboard .fret {
  width: 1.8rem;
  height: 1.3rem;
}

.barre-line {
  position: absolute;
  border-radius: 5rem;
  pointer-events: none;
  z-index: 2;
  width: 1rem;
  left: 0;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 0.7rem;
  font-family: sans-serif;
  font-weight: bold;
  transform: translateX(calc(50% - 1.1rem));
}

/* --- Shape Explorer --- */
.shapes-section label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-subtle);
  margin-bottom: 0.25rem;
  margin-top: 0.5rem;
}

.shapes-section select,
.shapes-section input[type="text"] {
  width: 100%;
  font-family: inherit;
  font-size: 0.8125rem;
  padding: 0.375rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-primary);
  outline: none;
  transition: all var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

.shapes-section select {
  padding-right: 1.75rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%238e918f'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
}

.shapes-section select:focus,
.shapes-section input[type="text"]:focus {
  border-color: var(--text-secondary);
}

.set-selector-row {
  display: flex;
  gap: 0.375rem;
  margin-bottom: 0.5rem;
}

.set-selector-row select {
  flex: 1;
  min-width: 0;
}

.set-selector-row .btn-small {
  flex: 0;
  padding: 0.375rem 0.5rem;
}

.shape-list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  max-height: 16rem;
  overflow-y: auto;
  margin-bottom: 0.5rem;
}

.shape-item {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
}

.shape-item:hover {
  background: var(--bg-surface);
}

.shape-item.selected {
  background: var(--accent-dim);
  border-color: rgba(138, 180, 248, 0.25);
}

.shape-item .shape-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-secondary);
}

.shape-item .shape-frets {
  font-size: 0.6875rem;
  color: var(--text-subtle);
  flex-shrink: 0;
}

.shape-item .shape-actions {
  display: flex;
  gap: 0.125rem;
  flex-shrink: 0;
}

.shape-item .shape-actions button {
  font-family: inherit;
  font-size: 0.6875rem;
  padding: 0.1875rem 0.5rem;
  border-radius: 0.25rem;
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text-subtle);
  cursor: pointer;
  transition: all var(--transition);
}

.shape-item .shape-actions button:hover {
  background: var(--bg-overlay);
  color: var(--text-primary);
}

.shape-editor-actions {
  display: flex;
  gap: 0.375rem;
}

.btn-small {
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.375rem 0.625rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
  flex: 1;
  transition: all var(--transition);
}

.btn-small:hover {
  background: var(--bg-overlay);
  border-color: var(--text-subtle);
}

.shape-editor {
  margin-top: 0.375rem;
  padding: 0.625rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
}

.shape-fret-inputs {
  display: flex;
  gap: 0.3125rem;
  margin-top: 0.375rem;
}

.shape-fret-inputs input {
  flex: 1;
  min-width: 0;
  font-family: inherit;
  font-size: 0.75rem;
  padding: 0.375rem;
  text-align: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-primary);
  outline: none;
  transition: all var(--transition);
}

.shape-fret-inputs input:focus {
  border-color: var(--text-secondary);
}

.shape-editor-btns {
  display: flex;
  gap: 0.25rem;
  margin-top: 0.375rem;
}

.voicing-row {
  display: flex;
  gap: 0.3125rem;
}

.voicing-row input {
  flex: 1;
  min-width: 0;
  font-family: inherit;
  font-size: 0.75rem;
  padding: 0.375rem;
  text-align: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-primary);
  outline: none;
  transition: all var(--transition);
}

.voicing-row input:focus {
  border-color: var(--text-secondary);
}

.voicing-row input:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.tuning-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  margin-bottom: 0.625rem;
}

.tuning-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.tuning-card-header h3 {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
  margin: 0;
}

.compat-star {
  color: #f5c542;
  margin-left: 0.375rem;
  font-size: 1rem;
}

.tuning-card.high-compat {
  border-color: rgba(245, 197, 66, 0.35);
}

.tuning-card-header .tuning-stats {
  font-size: 0.75rem;
  color: var(--text-subtle);
  white-space: nowrap;
}

.tuning-card-header .tuning-notes {
  font-size: 0.8125rem;
  color: var(--text-subtle);
}

.tuning-card-header .expand-icon {
  font-size: 0.75rem;
  color: var(--text-subtle);
  transition: transform var(--transition);
}

.tuning-card.expanded .expand-icon {
  transform: rotate(90deg);
}

.tuning-card-body {
  display: none;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-light);
}

.tuning-card.expanded .tuning-card-body {
  display: block;
}

.companion-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.companion-item {
  text-align: center;
  cursor: pointer;
  transition: background var(--transition);
}

.companion-item:hover {
  background: var(--bg-overlay);
  border-radius: var(--radius-sm);
}

[data-fingering] {
  cursor: pointer;
}

.companion-item .companion-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.companion-item .companion-chord {
  font-size: 0.6875rem;
  color: var(--text-subtle);
  margin-bottom: 0.375rem;
}

.companion-item .companion-notes {
  font-size: 0.625rem;
  color: var(--text-subtle);
}

.density-explanation {
  font-size: 0.8rem;
  color: var(--text-subtle);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.finger-count {
  display: inline-block;
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--text-subtle);
  background: var(--bg-overlay);
  border-radius: 0.25rem;
  padding: 0.0625rem 0.3rem;
  margin-left: 0.375rem;
  vertical-align: middle;
}

.btn-load-more {
  display: block;
  width: 100%;
  padding: 0.625rem;
  margin-top: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-load-more:hover {
  background: var(--bg-overlay);
  color: var(--text-primary);
}

/* --- Loading --- */
.loading {
  color: var(--text-subtle);
  padding: 2rem;
  text-align: center;
  font-size: 0.875rem;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 0.5rem;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 0.25rem;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border);
}

/* --- Sets Editor --- */
.sets-editor {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.sets-editor-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 0.75rem;
}

.sets-editor-header h2 {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
}

.sets-editor-body {
  display: flex;
  flex: 1;
  min-height: 0;
  gap: 1rem;
}

.sets-editor-list {
  width: 14rem;
  flex-shrink: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.sets-editor-detail {
  flex: 1;
  overflow-y: auto;
}

.se-set-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.375rem;
  padding: 0.5rem 0.625rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
}

.se-set-item:hover {
  background: var(--bg-surface);
}

.se-set-item.selected {
  background: var(--accent-dim);
  border-color: rgba(138, 180, 248, 0.25);
}

.se-set-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-secondary);
}

.se-set-badges {
  display: flex;
  gap: 0.25rem;
  flex-shrink: 0;
}

.se-badge {
  font-size: 0.625rem;
  font-weight: 600;
  padding: 0.125rem 0.375rem;
  border-radius: 0.25rem;
  background: var(--bg-overlay);
  color: var(--text-subtle);
}

.se-badge-density {
  background: var(--accent-dim);
  color: var(--accent);
}

.se-btn-new-set {
  margin-top: 0.5rem;
}

.se-detail-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.se-detail-header h3 {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
  flex: 1;
}

.se-shape-list {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.se-shape-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.375rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  background: var(--bg-surface);
}

.se-mini-fb {
  flex-shrink: 0;
}

.se-shape-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.se-shape-name {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.se-shape-name.se-auto-name {
  font-style: italic;
  color: var(--text-subtle);
}

.se-shape-frets {
  font-size: 0.6875rem;
  color: var(--text-subtle);
}

.se-shape-actions {
  display: flex;
  gap: 0.25rem;
  flex-shrink: 0;
}

.se-shape-actions .btn-small {
  flex: 0;
  padding: 0.25rem 0.5rem;
  font-size: 0.6875rem;
}

.se-btn-danger {
  border-color: #c0392b !important;
  color: #e74c3c !important;
}

.se-btn-danger:hover {
  background: rgba(231, 76, 60, 0.15) !important;
}

.se-btn-add-shape {
  margin-top: 0.75rem;
}

/* shape editor */
.se-editor-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.se-editor-header h3 {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
}

.se-editor-name-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.se-editor-name-row label {
  font-size: 0.75rem;
  color: var(--text-subtle);
  flex-shrink: 0;
}

.se-editor-name-input {
  font-family: inherit;
  font-size: 0.8125rem;
  padding: 0.375rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-primary);
  outline: none;
  width: 14rem;
  transition: all var(--transition);
}

.se-editor-name-input:focus {
  border-color: var(--text-secondary);
}

.se-auto-label {
  font-size: 0.75rem;
  font-style: italic;
  color: var(--text-subtle);
}

/* clickable fretboard grid */
.se-clickable-fb {
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.se-fb-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
  width: fit-content;
}

.se-fb-header-row {
  display: flex;
}

.se-fb-fret-num {
  width: 2.5rem;
  text-align: center;
  font-size: 0.625rem;
  color: var(--text-subtle);
  padding-bottom: 0.25rem;
}

.se-fb-row {
  display: flex;
}

.se-fb-label {
  width: 4.5rem;
  font-size: 0.6875rem;
  color: var(--text-subtle);
  display: flex;
  align-items: center;
  flex-shrink: 0;
  padding-right: 0.25rem;
}

.se-fb-cell {
  width: 2.5rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 1px solid var(--border-light);
  font-size: 0.75rem;
  font-weight: 600;
  transition: background var(--transition);
  position: relative;
}

.se-fb-cell:hover {
  background: var(--bg-overlay);
}

.se-fb-nut {
  border-right: 3px solid var(--text-subtle);
}

.se-fb-cell.se-dot-active::after {
  content: '';
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background: var(--accent);
  display: block;
}

.se-fb-cell.se-muted {
  color: #e74c3c;
  font-weight: 700;
}

.se-fb-cell.se-open {
  color: var(--text-secondary);
  font-weight: 600;
}

/* --- Print --- */
@media print {
  .header, .sidebar {
    display: none !important;
  }

  .app-shell {
    display: block;
    height: auto;
  }

  .main-content {
    overflow: visible;
    padding: 0;
  }

  .filter-bar {
    display: none;
  }

  #chord-container {
    gap: 0.75rem;
  }

  .chord-card {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  body {
    overflow: visible;
    height: auto;
    background: #fff;
    color: #000;
  }
}

.search-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
  z-index: 1000;
}

.search-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.search-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.5rem 1.75rem;
  min-width: 20rem;
  max-width: 90vw;
  text-align: center;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.search-title {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
}

.search-size {
  margin-top: 0.375rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.search-bar {
  margin-top: 1rem;
  height: 0.5rem;
  border-radius: 999px;
  background: var(--bg-input);
  overflow: hidden;
}

.search-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  border-radius: 999px;
  transition: width 0.12s linear;
}

.search-eta {
  margin-top: 0.625rem;
  font-size: 0.8125rem;
  color: var(--text-subtle);
  font-variant-numeric: tabular-nums;
}