/* ─── WORKSPACE PLACEHOLDER ──────────────────────────────────── */
.workspace-placeholder {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
}

.placeholder-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.placeholder-icon {
  color: var(--text-tertiary);
}

.placeholder-text {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  max-width: 220px;
  line-height: var(--leading-loose);
}

/* ─── WORKSPACE CONTENT AREA ─────────────────────────────────── */
.workspace-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 24px 28px;
  gap: 20px;
}

/* Context Summary Card */
.context-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.context-card-title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

.context-card-rows {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.context-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.context-row-label {
  color: var(--text-tertiary);
  min-width: 64px;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  font-weight: var(--weight-medium);
}

.context-row-value {
  color: var(--text-primary);
  font-weight: var(--weight-medium);
}

.info-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 1px solid var(--border-default);
  color: var(--text-tertiary);
  font-size: 9px;
  font-weight: var(--weight-semibold);
  cursor: pointer;
  transition: border-color var(--transition-fast), color var(--transition-fast);
  flex-shrink: 0;
  margin-left: 2px;
  font-style: normal;
}

.info-icon:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Controls row (selectors) */
.workspace-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.control-label {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: var(--weight-medium);
}

.control-select {
  height: 32px;
  padding: 0 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%238e8e96' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  padding-right: 26px;
  transition: border-color var(--transition-fast);
}

.control-select:hover {
  border-color: var(--border-strong);
}

.control-select:focus {
  border-color: var(--accent);
}

/* Fretboard placeholder area */
.fretboard-area {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  font-size: var(--text-sm);
}

/* Legend */
.legend {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.legend-dot.root {
  background: var(--accent);
}

.legend-dot.note {
  background: var(--note-blue);
}