.chord-picker-popup {
  min-width: min(92vw, 270px);
  padding: 16px 16px 14px;
  color: #e0e0e0;
  font-family: inherit;
  border-radius: 24px;
}

.chord-picker-header,
.chord-picker-section,
.chord-picker-footer {
  position: relative;
}

.chord-picker-section + .chord-picker-section {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(68, 79, 94, 0.16);
}

.chord-picker-header {
  margin-bottom: 14px;
}

.chord-picker-input-shell {
  display: grid;
  gap: 8px;
}

.chord-picker-input-label,
.chord-picker-section-header span {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.chord-picker-input {
  width: 100%;
  padding: 8px 12px;
  background-color: #4a4a4a;
  border: 1px solid #5a5a5a;
  border-radius: 6px;
  color: #e0e0e0;
  font-size: 12px;
  outline: none;
  min-height: 36px;
  line-height: 1.4;
}

.chord-picker-input.invalid {
  border-color: #d45a5a;
}

.chord-picker-input:focus {
  border-color: #5a9fd4;
  background-color: #4a4a4a;
}

.chord-picker-input::placeholder {
  color: #999;
}

.chord-picker-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.chord-picker-root-dropdown {
  z-index: 1;
}

.chord-picker-root-button.quant-button {
  margin-left: 0;
  min-width: 72px;
  height: 24px;
  justify-content: space-between;
  padding: 0 8px;
}

.chord-picker-grid {
  display: grid;
  gap: 10px;
}

.chord-picker-button-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 52px));
  justify-content: space-between;
  gap: 6px;
}

.chord-picker-button {
  --toolbar-button-bg: transparent;
  --toolbar-button-fg: #e0e0e0;
  border: none;
  border-radius: 3px;
  background: transparent;
  background-color: var(--toolbar-button-bg);
  color: var(--toolbar-button-fg);
  min-height: 24px;
  height: 24px;
  padding: 0 6px;
  font-size: 12px;
  font-weight: 500;
  transition:
    background-color 0.18s ease,
    color 0.18s ease,
    transform 0.12s ease,
    box-shadow 0.18s ease;
}

.chord-picker-button:hover {
  --toolbar-button-bg: #3a3a3a;
}

.chord-picker-button.selected {
  --toolbar-button-bg: #e0e0e0;
  --toolbar-button-fg: #2d2d2d;
}

.chord-picker-button.selected:hover {
  --toolbar-button-bg: #f0f0f0;
}

.chord-picker-button:active {
  --toolbar-button-bg: #5a5a5a;
  transform: scale(0.95);
}

.chord-picker-button.selected:active {
  --toolbar-button-bg: #d6d6d6;
}

.chord-picker-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  min-height: 24px;
}

.chord-picker-preview {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #b8b8b8;
}

.chord-picker-error {
  font-size: 12px;
  font-weight: 700;
  color: #d45a5a;
}

@media (max-width: 720px) {
  .chord-picker-popup {
    min-width: min(94vw, 270px);
    padding: 14px 12px 12px;
  }

  .chord-picker-button-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}